| 54 |
Title |
TI |
[EN] Apparatus for preparing an annular body of a hydraulically setting mass |
| 71/73 |
Applicant/owner |
PA |
HEIDELBERGER ZEMENT AG, DE
|
| 72 |
Inventor |
IN |
KRAEFT UWE, DE
;
MEYER ADOLF, DE
;
PFEIFER MANFRED, DE
|
| 22/96 |
Application date |
AD |
May 16, 1984 |
| 21 |
Application number |
AN |
61078284 |
|
Country of application |
AC |
US |
|
Publication date |
PUB |
Dec 30, 1986 |
33
31
32 |
Priority data |
PRC
PRN
PRD |
DE
2948638
19791204
|
| 51 |
IPC main class |
ICM |
B31C 1/00
|
| 51 |
IPC secondary class |
ICS |
|
|
IPC additional class |
ICA |
|
|
IPC index class |
ICI |
|
|
Cooperative patent classification |
CPC |
B28B 1/30
B28B 21/42
|
|
MCD main class |
MCM |
|
|
MCD secondary class |
MCS |
B28B 1/30
(2006.01)
B28B 21/42
(2006.01)
|
|
MCD additional class |
MCA |
|
| 57 |
Abstract |
AB |
[EN] Steel, cast iron, synthetic resin or concrete pipes are coated with a hydraulically setting mass, such as cement mortar or a mixture of cement, fibers, aggregates and optional additives, by entraining the mass before it has set from a storage container having two opposite walls moving at about the same speed, one of the container walls being formed by a portion of the circumferential wall of the pipe being rotated about its longitudinal axis and the opposite container wall being formed by a tensioned carrier band having one end affixed to the rotating pipe and the mass with the covering tensioned carrier band being wound around the rotating pipe. |
| 56 |
Cited documents identified in the search |
CT |
US000003728181A
US000004006049A
|
| 56 |
Cited documents indicated by the applicant |
CT |
|
| 56 |
Cited non-patent literature identified in the search |
CTNP |
|
| 56 |
Cited non-patent literature indicated by the applicant |
CTNP |
|
|
Citing documents |
|
CN000102000653A
US000005667623A
US000005888339A
US000008944114B2
US000009283734B2
US020120186732A1
WO002012170948A1
|
|
Sequence listings |
|
|
|
Search file IPC |
ICP |
B28B 21/42
B31C 1/00
|
