EP 0267134 B1 19910710 - A MANHOLE COVER
Title (en)
A MANHOLE COVER
Publication
Application
Priority
FR 8612589 A 19860905
Abstract (en)
[origin: US4772154A] A sealing gasket for an unlocked roadway manhole accessing a municipal sewage system is interposed between a cover 2 and a frame 1, and has an inverted L or hook-shaped cross-section including two spaced and parallel outwardly extending upper lips 18, 19 and two lower, oppositely extending lips 17, 20.
IPC 1-7
IPC 8 full level
E02D 29/14 (2006.01); E02D 29/12 (2006.01)
CPC (source: EP US)
E02D 29/14 (2013.01 - EP US); E02D 29/149 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
US 4772154 A 19880920; AT E65096 T1 19910715; CA 1278451 C 19910102; DE 3771305 D1 19910814; EP 0267134 A1 19880511; EP 0267134 B1 19910710; ES 2020801 A4 19911001; ES 2020801 B3 19920301; FR 2603631 A1 19880311; FR 2603631 B1 19890602; IE 60048 B1 19940518; IE 872354 L 19880305
DOCDB simple family (application)
US 9326987 A 19870904; AT 87470016 T 19870819; CA 545773 A 19870831; DE 3771305 T 19870819; EP 87470016 A 19870819; ES 87470016 T 19870819; FR 8612589 A 19860905; IE 235487 A 19870902