| C | Sektion C — Chemie; Hüttenwesen | CHEMISTRY; METALLURGY |
| | Hüttenwesen | METALLURGY |
![enable hierarchy mode: C21](images/vm_hier.gif) | C21 | Eisenhüttenwesen | METALLURGY OF IRON |
![enable hierarchy mode: C21D](images/vm_hier.gif) ![Link to definition of IPC symbol: C21D](images/definition.gif) | C21D | Veränderung der physikalischen Struktur von Eisenmetallen; Allgemeine Vorrichtungen für die Wärmebehandlung von Eisen- oder Nichteisenmetallen oder -legierungen; Schmiedbarmachen von Metall, z.B. durch Entkohlen oder Anlassen (Aufkohlen durch Diffusionsverfahren C23C; Oberflächenbehandlung von metallischen Werkstoffen unter Einbeziehung mindestens eines der in Klasse C23 vorgesehenen Verfahren und mindestens eines der von dieser Unterklasse umfassten Verfahren C23F 17/00; gerichtetes Erstarren von eutektischen Stoffen oder gerichtetes Entmischen von eutektischen Stoffen C30B) | MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING (cementation by diffusion processes C23C; surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by this subclass C23F 17/00; unidirectional solidification of eutectic materials or unidirectional demixing of eutectoid materials C30B) |
![enable hierarchy mode: C21D 1/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/00](images/lupe.gif) | C21D 1/00 | Allgemeine Verfahren oder Vorrichtungen für die Wärmebehandlung, z.B. Glühen, Härten, Abschrecken oder Anlassen [1, 2006.01] | General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering [1, 2006.01] |
![enable hierarchy mode: C21D 1/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/02](images/lupe.gif) | C21D 1/02 | . | Härten von geschmiedeten oder gewalzten Gegenständen oder Werkstoffen aus der Schmiedehitze bzw. Walzhitze [1, 2006.01] |
| . | Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/04](images/lupe.gif) | C21D 1/04 | . | mit gleichzeitiger Anwendung von Ultraschall, von magnetischen oder elektrischen Feldern [1, 2006.01] |
| . | with simultaneous application of supersonic waves, magnetic or electric fields [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/06](images/lupe.gif) | C21D 1/06 | . | Oberflächenhärten [1, 2006.01] |
| . | Surface hardening [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/08](images/lupe.gif) | C21D 1/08 | | . . | with flames [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/09](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/09](images/lupe.gif) | C21D 1/09 | . . | durch direkte Anwendung von elektrischer oder Wellenenergie; durch Teilchenbestrahlung [3, 2006.01] |
| . . | by direct application of electrical or wave energy; by particle radiation [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/10](images/lupe.gif) | C21D 1/10 | . . . | durch elektrische Induktion [1, 3, 2006.01] |
| . . . | by electric induction [1, 3, 2006.01] |
|
![enable hierarchy mode: C21D 1/18](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/18](images/lupe.gif) | C21D 1/18 | . | Härten (C21D 1/02 hat Vorrang); Abschrecken mit oder ohne nachfolgendes Anlassen (Abschreckeinrichtungen C21D 1/62) [1, 3, 2006.01] |
| . | Hardening (C21D 1/02 takes precedence); Quenching with or without subsequent tempering (quenching devices C21D 1/62) [1, 3, 2006.01] |
|
![enable hierarchy mode: C21D 1/19](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/19](images/lupe.gif) | C21D 1/19 | . . | durch unterbrochenes Abschrecken [3, 2006.01] |
| . . | by interrupted quenching [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/20](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/20](images/lupe.gif) | C21D 1/20 | . . . | Isothermes Abschrecken, z.B. Zwischenstufenhärtung [1, 3, 2006.01] |
| . . . | Isothermal quenching, e.g. bainitic hardening [1, 3, 2006.01] |
|
![enable hierarchy mode: C21D 1/22](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/22](images/lupe.gif) | C21D 1/22 | . . . | Martensitaushärten [1, 3, 2006.01] |
| . . . | Martempering [1, 3, 2006.01] |
|
![enable hierarchy mode: C21D 1/25](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/25](images/lupe.gif) | C21D 1/25 | . . | Härten kombiniert mit Glühen zwischen 300 ° C und 600 ° C [Vergüten] [3, 2006.01] |
| . . | Hardening, combined with annealing between 300 °C and 600 °C, i.e. heat refining ("Vergüten") [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/26](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/26](images/lupe.gif) | C21D 1/26 | . | Glühverfahren [1, 2006.01] |
| . | Methods of annealing [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/28](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/28](images/lupe.gif) | C21D 1/28 | . . | Normalisieren [1, 2006.01] |
| . . | Normalising [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/30](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/30](images/lupe.gif) | C21D 1/30 | . . | Entspannen [1, 2006.01] |
| . . | Stress-relieving [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/32](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/32](images/lupe.gif) | C21D 1/32 | . . | Weichglühen, z.B. Sphäroidisieren [1, 2006.01] |
| . . | Soft annealing, e.g. spheroidising [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/34](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/34](images/lupe.gif) | C21D 1/34 | . | Verfahren zum Erhitzen (C21D 1/06 hat Vorrang) [1, 2006.01] |
| . | Methods of heating (C21D 1/06 takes precedence) [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/38](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/38](images/lupe.gif) | C21D 1/38 | . . | durch Glimmentladungen [1, 2006.01] |
| . . | Heating by cathodic discharges [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/40](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/40](images/lupe.gif) | C21D 1/40 | . . | durch direkte Widerstandserhitzung [1, 2006.01] |
| . . | Direct resistance heating [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/42](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/42](images/lupe.gif) | C21D 1/42 | . . | durch Induktionserhitzung [1, 2006.01] |
| . . | Induction heating [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/44](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/44](images/lupe.gif) | C21D 1/44 | . . | in Erhitzungsbädern [1, 2006.01] |
| . . | in heat-treatment baths [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/46](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/46](images/lupe.gif) | C21D 1/46 | . . . | Salzbäder [1, 2006.01] |
| . . . | Salt baths [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/48](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/48](images/lupe.gif) | C21D 1/48 | . . . | Metallbäder [1, 2006.01] |
| . . . | Metal baths [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/50](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/50](images/lupe.gif) | C21D 1/50 | . . . | Ölbäder [1, 2006.01] |
| . . . | Oil baths [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/52](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/52](images/lupe.gif) | C21D 1/52 | | . . | with flames [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/53](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/53](images/lupe.gif) | C21D 1/53 | . . | Erhitzen in Wirbelbetten [3, 2006.01] |
| . . | Heating in fluidised beds [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/54](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/54](images/lupe.gif) | C21D 1/54 | . | Bestimmen des Erreichens der Härtetemperatur durch Messung der magnetischen oder elektrischen Eigenschaften [1, 2006.01] |
| . | Determining when the hardening temperature has been reached by measurement of magnetic or electrical properties [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/55](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/55](images/lupe.gif) | C21D 1/55 | . | Härtbarkeitsprüfung, z.B. End-Abschrecktests [3, 2006.01] |
| . | Hardenability tests, e.g. end-quench tests [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/56](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/56](images/lupe.gif) | C21D 1/56 | . | gekennzeichnet durch die Abschreckmittel [1, 2006.01] |
| . | characterised by the quenching agents [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/58](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/58](images/lupe.gif) | C21D 1/58 | . . | mit Ölen [1, 2006.01] |
| |
![enable hierarchy mode: C21D 1/60](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/60](images/lupe.gif) | C21D 1/60 | . . | mit wässrigen Mitteln [1, 2006.01] |
| . . | Aqueous agents [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/607](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/607](images/lupe.gif) | C21D 1/607 | . . | mit geschmolzenen Salzen [3, 2006.01] |
| . . | Molten salts [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/613](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/613](images/lupe.gif) | C21D 1/613 | . . | mit Gasen; mit verflüssigtem oder verfestigtem, normalerweise gasförmigem Material [3, 2006.01] |
| . . | Gases; Liquefied or solidified normally gaseous material [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/62](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/62](images/lupe.gif) | C21D 1/62 | . | Abschreckeinrichtungen [1, 2006.01] |
| . | Quenching devices [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/63](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/63](images/lupe.gif) | C21D 1/63 | . . | für Bad-Abschrecken [3, 2006.01] |
| . . | for bath quenching [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/64](images/vm_hier.gif) ![Link to definition of IPC symbol: C21D 1/64](images/definition.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/64](images/lupe.gif) | C21D 1/64 | . . . | mit umlaufenden Flüssigkeiten [1, 3, 2006.01] |
| . . . | with circulating liquids [1, 3, 2006.01] |
|
![enable hierarchy mode: C21D 1/667](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/667](images/lupe.gif) | C21D 1/667 | . . | für Sprüh-Abschrecken [3, 2006.01] |
| . . | for spray quenching [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/673](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/673](images/lupe.gif) | C21D 1/673 | . . | für Abschrecken durch Düsen [3, 2006.01] |
| . . | for die quenching [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/68](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/68](images/lupe.gif) | C21D 1/68 | . | Vorübergehende Überzüge oder Einbettmaterialien, die vor oder während der Hitzebehandlung angewendet werden [1, 2006.01] |
| . | Temporary coatings or embedding materials applied before or during heat treatment [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/70](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/70](images/lupe.gif) | C21D 1/70 | . . | während des Härtens oder Abschreckens [1, 2006.01] |
| . . | while heating or quenching [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/72](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/72](images/lupe.gif) | C21D 1/72 | . . | während der chemischen Veränderung der Oberfläche [1, 2006.01] |
| . . | during chemical change of surfaces [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/74](images/vm_hier.gif) ![Link to definition of IPC symbol: C21D 1/74](images/definition.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/74](images/lupe.gif) | C21D 1/74 | . | Behandlungsverfahren in Schutzgas, in gesteuerter Atmosphäre, im Vakuum oder in pulverförmigem Material [1, 2006.01] |
| . | Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/76](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/76](images/lupe.gif) | C21D 1/76 | . . | Abstimmen der Zusammensetzung der Atmosphäre [1, 2006.01] |
| . . | Adjusting the composition of the atmosphere [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/767](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/767](images/lupe.gif) | C21D 1/767 | . . | mit erzwungener Gasumwälzung; deren Wiedererwärmung [3, 2006.01] |
| . . | with forced gas circulation; Reheating thereof [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/773](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/773](images/lupe.gif) | C21D 1/773 | . . | unter vermindertem Druck oder Vakuum [3, 2006.01] |
| . . | under reduced pressure or vacuum [3, 2006.01] |
|
![enable hierarchy mode: C21D 1/78](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/78](images/lupe.gif) | C21D 1/78 | . | Kombinierte Wärmebehandlungen, soweit nicht im Vorangehenden vorgesehen [1, 2006.01] |
| . | Combined heat-treatments not provided for above [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/82](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/82](images/lupe.gif) | C21D 1/82 | . | Entzundern durch Wärmespannungen (mechanisch B21, B23; chemisch C23; elektrolytisch C25F 1/00) [1, 2006.01] |
| . | Descaling by thermal stresses (mechanically B21, B23; chemically C23; electrolytically C25F 1/00) [1, 2006.01] |
|
![enable hierarchy mode: C21D 1/84](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 1/84](images/lupe.gif) | C21D 1/84 | . | Geregeltes langsames Kühlen (Kühlbetten für Metallwalzgut B21B 43/00) [3, 2006.01] |
| . | Controlled slow cooling (cooling-beds for metal rolling B21B 43/00) [3, 2006.01] |
|
![enable hierarchy mode: C21D 3/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 3/00](images/lupe.gif) | C21D 3/00 | Diffusionsverfahren zum Abscheiden von Nichtmetallen; Öfen hierfür (örtliche Schutzüberzüge C21D 1/72) [1, 2006.01] | Diffusion processes for extraction of non-metals; Furnaces therefor (local protective coatings C21D 1/72) [1, 2006.01] |
![enable hierarchy mode: C21D 3/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 3/02](images/lupe.gif) | C21D 3/02 | . | Abscheiden von Nichtmetallen [1, 2006.01] |
| . | Extraction of non-metals [1, 2006.01] |
|
![enable hierarchy mode: C21D 3/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 3/04](images/lupe.gif) | C21D 3/04 | . . | Entkohlen [1, 2006.01] |
| . . | Decarburising [1, 2006.01] |
|
![enable hierarchy mode: C21D 3/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 3/06](images/lupe.gif) | C21D 3/06 | . . | Abscheiden von Wasserstoff [1, 2006.01] |
| . . | Extraction of hydrogen [1, 2006.01] |
|
![enable hierarchy mode: C21D 3/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 3/08](images/lupe.gif) | C21D 3/08 | . . | Abscheiden von Stickstoff [1, 2006.01] |
| . . | Extraction of nitrogen [1, 2006.01] |
|
![enable hierarchy mode: C21D 3/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 3/10](images/lupe.gif) | C21D 3/10 | . | Öfen hierfür [1, 2006.01] |
| . | Furnaces therefor [1, 2006.01] |
|
![enable hierarchy mode: C21D 5/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/00](images/lupe.gif) | C21D 5/00 | Wärmebehandlung von Gusseisen [1, 2006.01] | Heat treatment of cast-iron [1, 2006.01] |
![enable hierarchy mode: C21D 5/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/02](images/lupe.gif) | C21D 5/02 | . | Verbessern der Verformbarkeit von Graugusseisen [1, 2006.01] |
| . | improving the malleability of grey cast-iron [1, 2006.01] |
|
![enable hierarchy mode: C21D 5/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/04](images/lupe.gif) | C21D 5/04 | . | von weißem Gusseisen [1, 2006.01] |
| . | of white cast-iron [1, 2006.01] |
|
![enable hierarchy mode: C21D 5/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/06](images/lupe.gif) | C21D 5/06 | | . . | Malleabilising [1, 2006.01] |
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![enable hierarchy mode: C21D 5/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/08](images/lupe.gif) | C21D 5/08 | . . . | mit Oxidation von Kohlenstoff [1, 2006.01] |
| . . . | with oxidation of carbon [1, 2006.01] |
|
![enable hierarchy mode: C21D 5/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/10](images/lupe.gif) | C21D 5/10 | . . . . | mit gasförmigen Mitteln [1, 2006.01] |
| . . . . | in gaseous agents [1, 2006.01] |
|
![enable hierarchy mode: C21D 5/12](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/12](images/lupe.gif) | C21D 5/12 | . . . . | mit festen Mitteln [1, 2006.01] |
| . . . . | in solid agents [1, 2006.01] |
|
![enable hierarchy mode: C21D 5/14](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/14](images/lupe.gif) | C21D 5/14 | . . . | Graphitisieren [1, 2006.01] |
| . . . | Graphitising [1, 2006.01] |
|
![enable hierarchy mode: C21D 5/16](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 5/16](images/lupe.gif) | C21D 5/16 | . . . . | Packmittel [1, 2006.01] |
| . . . . | Packing agents [1, 2006.01] |
|
![enable hierarchy mode: C21D 6/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 6/00](images/lupe.gif) | C21D 6/00 | Wärmebehandlung von Eisenlegierungen [2, 2006.01] | Heat treatment of ferrous alloys [2, 2006.01] |
![enable hierarchy mode: C21D 6/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 6/02](images/lupe.gif) | C21D 6/02 | . | Ausscheidungshärten [2, 2006.01] |
| . | Hardening by precipitation [2, 2006.01] |
|
![enable hierarchy mode: C21D 6/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 6/04](images/lupe.gif) | C21D 6/04 | . | Härten durch Kühlen unter 0 ° C [2, 2006.01] |
| . | Hardening by cooling below 0° C [2, 2006.01] |
|
![enable hierarchy mode: C21D 7/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/00](images/lupe.gif) | C21D 7/00 | Verändern der physikalischen Eigenschaften von Eisen oder Stahl durch Verformen (Vorrichtungen für die mechanische Bearbeitung von Metallen B21 , B23 , B24) [1, 2006.01] | Modifying the physical properties of iron or steel by deformation (apparatus for mechanical working of metal B21, B23, B24) [1, 2006.01] |
![enable hierarchy mode: C21D 7/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/02](images/lupe.gif) | C21D 7/02 | . | durch Kaltverformen [1, 2006.01] |
| . | by cold working [1, 2006.01] |
|
![enable hierarchy mode: C21D 7/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/04](images/lupe.gif) | C21D 7/04 | . . | der Oberfläche [1, 2006.01] |
| . . | of the surface [1, 2006.01] |
|
![enable hierarchy mode: C21D 7/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/06](images/lupe.gif) | C21D 7/06 | . . . | durch Kugelwalzen oder dgl. [1, 2006.01] |
| . . . | by shot-peening or the like [1, 2006.01] |
|
![enable hierarchy mode: C21D 7/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/08](images/lupe.gif) | C21D 7/08 | . . . | durch Prägepolieren oder dgl. [1, 2006.01] |
| . . . | by burnishing or the like [1, 2006.01] |
|
![enable hierarchy mode: C21D 7/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/10](images/lupe.gif) | C21D 7/10 | . . | des ganzen Querschnittes, z.B. von Betonbewehrungsstäben [1, 2006.01] |
| . . | of the whole cross-section, e.g. of concrete reinforcing bars [1, 2006.01] |
|
![enable hierarchy mode: C21D 7/12](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/12](images/lupe.gif) | C21D 7/12 | . . . | durch Aufweiten von rohrförmigen Körpern [1, 2006.01] |
| . . . | by expanding tubular bodies [1, 2006.01] |
|
![enable hierarchy mode: C21D 7/13](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 7/13](images/lupe.gif) | C21D 7/13 | . | durch Warmverformen [1, 2006.01] |
| . | by hot working [1, 2006.01] |
|
![enable hierarchy mode: C21D 8/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 8/00](images/lupe.gif) | C21D 8/00 | Verändern der physikalischen Eigenschaften durch Verformen, verbunden mit oder gefolgt von Wärmebehandlung (Härten von geschmiedeten oder gewalzten Gegenständen oder Werkstoffen aus der Schmiede- bzw. Walzhitze C21D 1/02) [3, 2006.01] | Modifying the physical properties by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D 1/02) [3, 2006.01] |
![enable hierarchy mode: C21D 8/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 8/02](images/lupe.gif) | C21D 8/02 | . | während der Herstellung von Platten oder Bandstahl (C21D 8/12 hat Vorrang) [3, 2006.01] |
| . | during manufacturing of plates or strips (C21D 8/12 takes precedence) [3, 2006.01] |
|
![enable hierarchy mode: C21D 8/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 8/04](images/lupe.gif) | C21D 8/04 | . . | zur Herstellung von Blech oder Band zum Tiefziehen [3, 2006.01] |
| . . | to produce plates or strips for deep-drawing [3, 2006.01] |
|
![enable hierarchy mode: C21D 8/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 8/06](images/lupe.gif) | C21D 8/06 | . | während der Herstellung von Stäben und Drähten [3, 2006.01] |
| . | during manufacturing of rods or wires [3, 2006.01] |
|
![enable hierarchy mode: C21D 8/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 8/08](images/lupe.gif) | C21D 8/08 | . . | für Betonbewehrung [3, 2006.01] |
| . . | for concrete reinforcement [3, 2006.01] |
|
![enable hierarchy mode: C21D 8/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 8/10](images/lupe.gif) | C21D 8/10 | . | während der Herstellung von rohrförmigen Gegenständen [3, 2006.01] |
| . | during manufacturing of tubular bodies [3, 2006.01] |
|
![enable hierarchy mode: C21D 8/12](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 8/12](images/lupe.gif) | C21D 8/12 | . | während der Herstellung von Gegenständen mit besonderen elektromagnetischen Eigenschaften [3, 2006.01] |
| . | during manufacturing of articles with special electromagnetic properties [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/00](images/lupe.gif) | C21D 9/00 | Wärmebehandlung, z.B. Glühen, Härten, Abschrecken oder Anlassen von besonderen Gegenständen; Öfen hierfür [1, 2006.01] | Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor [1, 2006.01] |
![enable hierarchy mode: C21D 9/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/02](images/lupe.gif) | C21D 9/02 | . | von Federn [1, 2006.01] |
| . | for springs [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/04](images/vm_hier.gif) ![Link to definition of IPC symbol: C21D 9/04](images/definition.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/04](images/lupe.gif) | C21D 9/04 | . | von Fahrbahnschienen [1, 2006.01] |
| |
![enable hierarchy mode: C21D 9/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/06](images/lupe.gif) | C21D 9/06 | . . | mit verminderter Neigung zur Riffelbildung [1, 2006.01] |
| . . | with diminished tendency to become wavy [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/08](images/lupe.gif) | C21D 9/08 | . | von Hohlkörpern oder Rohren [1, 2006.01] |
| . | for tubular bodies or pipes [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/10](images/lupe.gif) | C21D 9/10 | . . | von Gewehrläufen [1, 2006.01] |
| . . | shotgun barrels [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/12](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/12](images/lupe.gif) | C21D 9/12 | . . | von Geschützrohren [1, 2006.01] |
| . . | barrels for ordnance [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/14](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/14](images/lupe.gif) | C21D 9/14 | . . | von verschleißfesten oder druckfesten Rohren [1, 2006.01] |
| . . | wear-resistant or pressure-resistant pipes [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/16](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/16](images/lupe.gif) | C21D 9/16 | . | von Sprenggeschossen [1, 2006.01] |
| . | for explosive shells [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/18](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/18](images/lupe.gif) | C21D 9/18 | . | von Messern, Sensen, Scheren oder ähnlichen Handschneidwerkzeugen [1, 2006.01] |
| . | for knives, scythes, scissors, or like hand cutting tools [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/20](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/20](images/lupe.gif) | C21D 9/20 | . | von Schlittschuhkufen [1, 2006.01] |
| . | for blades for skates [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/22](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/22](images/lupe.gif) | C21D 9/22 | . | von Bohrern; Fräsern; Schneidwerkzeugen für Maschinen [1, 2006.01] |
| . | for drills; for milling cutters; for machine cutting tools [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/24](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/24](images/lupe.gif) | C21D 9/24 | . | von Sägeblättern [1, 2006.01] |
| . | for saw blades [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/26](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/26](images/lupe.gif) | C21D 9/26 | . | von Nadeln; von Zähnen für Kratzen [1, 2006.01] |
| . | for needles; for teeth for card-clothing [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/28](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/28](images/lupe.gif) | C21D 9/28 | . | von glatten Wellen [1, 2006.01] |
| . | for plain shafts [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/30](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/30](images/lupe.gif) | C21D 9/30 | . | von Kurbelwellen; von Nockenwellen [1, 2006.01] |
| . | for crankshafts; for camshafts [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/32](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/32](images/lupe.gif) | C21D 9/32 | . | von Zahnrädern, Schneckenrädern oder dgl. [1, 2006.01] |
| . | for gear wheels, worm wheels, or the like [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/34](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/34](images/lupe.gif) | C21D 9/34 | . | von Radreifen; von Felgen [1, 2006.01] |
| . | for tyres; for rims [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/36](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/36](images/lupe.gif) | C21D 9/36 | . | von Kugeln; von Rollen [1, 2006.01] |
| . | for balls; for rollers [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/38](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/38](images/lupe.gif) | C21D 9/38 | . | von Walzen [1, 2006.01] |
| . | for roll bodies [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/40](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/40](images/lupe.gif) | C21D 9/40 | . | von Ringen; von Laufringen von Lagern [1, 2006.01] |
| . | for rings; for bearing races [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/42](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/42](images/lupe.gif) | C21D 9/42 | . | von Panzerplatten [1, 2006.01] |
| . | for armour plate [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/44](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/44](images/lupe.gif) | C21D 9/44 | . | von Teilen für den Grubenausbau, z.B. Streckenbögen, Ringen oder Grubenstempeln [1, 2006.01] |
| . | for equipment for lining mine shafts, e.g. segments, rings or props [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/46](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/46](images/lupe.gif) | C21D 9/46 | . | von Blechen [1, 2006.01] |
| . | for sheet metals [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/48](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/48](images/lupe.gif) | C21D 9/48 | . . | von Tiefziehblechen [1, 2006.01] |
| . . | deep-drawing sheets [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/50](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/50](images/lupe.gif) | C21D 9/50 | . | von Schweißnähten [1, 2006.01] |
| . | for welded joints [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/52](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/52](images/lupe.gif) | C21D 9/52 | . | von Drähten; von Bandstahl [1, 2006.01] |
| . | for wires; for strips [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/54](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/54](images/lupe.gif) | C21D 9/54 | . . | Öfen zum Behandeln von Bandstahl oder Draht [1, 2006.01] |
| . . | Furnaces for treating strips or wire [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/56](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/56](images/lupe.gif) | C21D 9/56 | . . . | Durchlauföfen für Bandstahl oder Draht [1, 2006.01] |
| . . . | Continuous furnaces for strip or wire [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/567](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/567](images/lupe.gif) | C21D 9/567 | . . . . | mit Erhitzen in Wirbelbetten [3, 2006.01] |
| . . . . | with heating in fluidised beds [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/573](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/573](images/lupe.gif) | C21D 9/573 | . . . . | mit Kühlen [3, 2006.01] |
| . . . . | with cooling [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/58](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/58](images/lupe.gif) | C21D 9/58 | . . . . | mit Erhitzen durch Bäder [1, 2006.01] |
| . . . . | with heating by baths [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/60](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/60](images/lupe.gif) | C21D 9/60 | . . . . | mit Induktionserhitzung [1, 2006.01] |
| . . . . | with induction heating [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/62](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/62](images/lupe.gif) | C21D 9/62 | . . . . | mit direkter Widerstandserhitzung [1, 2006.01] |
| . . . . | with direct resistance heating [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/63](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/63](images/lupe.gif) | C21D 9/63 | . . . . | mit Stützung des Bandstahls durch ein Gaskissen [3, 2006.01] |
| . . . . | the strip being supported by a cushion of gas [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/64](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/64](images/lupe.gif) | C21D 9/64 | . . . | Patentieröfen [1, 2006.01] |
| . . . | Patenting furnaces [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/66](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/66](images/lupe.gif) | C21D 9/66 | . . . | Turmöfen [1, 2006.01] |
| . . . | Tower-type furnaces [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/663](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/663](images/lupe.gif) | C21D 9/663 | . . . | Haubenöfen [3, 2006.01] |
| . . . | Bell-type furnaces [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/665](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/665](images/lupe.gif) | C21D 9/665 | . . . . | invertiert oder seitlich [3, 2006.01] |
| . . . . | inverted or side-facing [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/667](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/667](images/lupe.gif) | C21D 9/667 | . . . . | Mehrzonenöfen [3, 2006.01] |
| . . . . | Multi-station furnaces [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/67](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/67](images/lupe.gif) | C21D 9/67 | . . . . . | zum Behandeln des Einsatzgutes im Vakuum oder in besonderer Atmosphäre [3, 2006.01] |
| . . . . . | adapted for treating the charge in vacuum or special atmosphere [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/673](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/673](images/lupe.gif) | C21D 9/673 | . . . . | Einzelheiten, Zubehör oder Ausrüstung eigens für Haubenöfen [3, 2006.01] |
| . . . . | Details, accessories, or equipment peculiar to bell-type furnaces [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/675](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/675](images/lupe.gif) | C21D 9/675 | . . . . | Anordnung von Beschickungs- oder Entleerungsvorrichtungen [3, 2006.01] |
| . . . . | Arrangements of charging or discharging devices [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/677](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/677](images/lupe.gif) | C21D 9/677 | . . . . | Anordnung von Heizvorrichtungen [3, 2006.01] |
| . . . . | Arrangements of heating devices [3, 2006.01] |
|
![enable hierarchy mode: C21D 9/68](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/68](images/lupe.gif) | C21D 9/68 | . . . | Haspelöfen; Warmhaspeln (Kalthaspeln B21C 47/00) [1, 2006.01] |
| . . . | Furnace coilers; Hot coilers (cold coilers B21C 47/00) [1, 2006.01] |
|
![enable hierarchy mode: C21D 9/70](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 9/70](images/lupe.gif) | C21D 9/70 | . | Blocköfen, z.B. Tieföfen [1, 2006.01] |
| . | Furnaces for ingots, i.e. soaking pits [1, 2006.01] |
|
![enable hierarchy mode: C21D 10/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 10/00](images/lupe.gif) | C21D 10/00 | Verändern der physikalischen Eigenschaften durch andere Verfahren als durch Wärmebehandlung oder Verformen [3, 2006.01] | Modifying the physical properties by methods other than heat treatment or deformation [3, 2006.01] |
![enable hierarchy mode: C21D 11/00](images/vm_hier.gif) ![Link to definition of IPC symbol: C21D 11/00](images/definition.gif) ![Link to Depatisnet beginner's search with IPC symbol: C21D 11/00](images/lupe.gif) | C21D 11/00 | Steuer- oder Regeleinrichtungen für die Wärmebehandlungsverfahren [2, 2006.01] | Process control or regulation for heat treatments [2, 2006.01] |