EP 0306796 B1 19901128 - SEALING PROFILE FOR TUNNEL SEGMENTS
Title (en)
SEALING PROFILE FOR TUNNEL SEGMENTS
Publication
Application
Priority
- DE 3729794 A 19870905
- DE 3812751 A 19880416
Abstract (en)
[origin: US4900607A] A sealing profile formed of rubber or rubber-like material is provided for sealing tunnel segments which have circumferential recesses. There is a plurality of slotted grooves running parallel in the lengthwise direction on the base side of the profile and a plurality of channels running parallel in the lengthwise direction, the number of channels being no greater than the number of slotted grooves and at least one channel being in alignment with a corresponding groove.
IPC 1-7
IPC 8 full level
E21D 11/38 (2006.01)
CPC (source: EP US)
E21D 11/385 (2013.01 - EP US); Y10T 428/24273 (2015.01 - EP US); Y10T 428/24298 (2015.01 - EP US); Y10T 428/24322 (2015.01 - EP US); Y10T 428/24479 (2015.01 - EP US); Y10T 428/2457 (2015.01 - EP US); Y10T 428/24612 (2015.01 - EP US); Y10T 428/24661 (2015.01 - EP US); Y10T 428/24669 (2015.01 - EP US); Y10T 428/24777 (2015.01 - EP US); Y10T 428/31826 (2015.04 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0306796 A1 19890315; EP 0306796 B1 19901128; DE 3861181 D1 19910110; ES 2019984 B3 19910716; FR 2620167 A1 19890310; GB 2209568 A 19890517; GB 2209568 B 19911023; GB 8817195 D0 19880824; GR 3001510 T3 19921123; NO 167822 B 19910902; NO 167822 C 19911211; NO 883905 D0 19880901; NO 883905 L 19890306; US 4900607 A 19900213
DOCDB simple family (application)
EP 88114085 A 19880830; DE 3861181 T 19880830; ES 88114085 T 19880830; FR 8810938 A 19880817; GB 8817195 A 19880719; GR 910400216 T 19910226; NO 883905 A 19880901; US 23872388 A 19880830