EP 2011615 B1 20121031 - Method and device for producing lower shaft parts with variable channels.
Title (en)
Method and device for producing lower shaft parts with variable channels.
Title (de)
Verfahren und Vorrichtung zur Herstellung von Schachtunterteilen mit variablen Gerinnen.
Title (fr)
Procédé et dispositif pour la fabrication de bases de puits dotées de canaux variables.
Publication
Application
Priority
- DE 102007052056 A 20071030
- DE 102007021998 A 20070508
Abstract (en)
[origin: EP2011615A2] The method involves performing molding of a lower shaft (1) in molds by a vibratory pressing process or a casting process. The lower shaft is partially-hardened after molding for a time period of 1-10 hours. The variable coagulates are molded by removing the concrete (14) using a rotary molding cutter (5) or a cutting tool (17) that is controlled by a program, where the lower shaft is present in a reverse natural layer. An independent claim is also included for a lower shaft manufacturing device.
IPC 8 full level
B28B 11/12 (2006.01); B28D 1/18 (2006.01); B28D 1/30 (2006.01); B28D 7/04 (2006.01); E03F 5/02 (2006.01)
CPC (source: EP)
B28B 11/12 (2013.01); B28D 1/186 (2013.01); B28D 1/30 (2013.01); B28D 7/043 (2013.01); E03F 5/02 (2013.01); B28B 7/168 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2011615 A2 20090107; EP 2011615 A3 20110223; EP 2011615 B1 20121031
DOCDB simple family (application)
EP 08008337 A 20080502