EP 1688371 B1 20070627 - Lid for the manhole of a tank
Title (en)
Lid for the manhole of a tank
Title (de)
Mannlochdeckel für eine Tanköffnung
Title (fr)
Couvercle obturant le trou d'homme d'un réservoir
Publication
Application
Priority
EP 05002239 A 20050203
Abstract (en)
[origin: EP1688371A1] The manhole cover (1) has a locking system (10) for opening and shutting the cover as well as a sealing around the outer perimeter area (3) of the cover~s base body (2) or around the inner edge (9) of the tank opening, and which has a seal ring (8) to enable a clean and resistance-free cleaning of the cover. The base body is built as a bevelled shape with a conical outer perimeter area, whilst the seal ring is located in a groove (5) in the outer perimeter area or in a groove of the conical inner edge, with the outer perimeter area of the inner edge lying in a stop (21) around the cover. The stop may have a projection either on the outer perimeter area or the inner edge of the tank opening. The stop may have a cross-section that is corrugated, rectangular, trapezoid or semi-trapezoid.
IPC 8 full level
B65D 90/10 (2006.01)
CPC (source: EP)
B65D 90/10 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1688371 A1 20060809; EP 1688371 B1 20070627; AT E365691 T1 20070715; DE 502005000936 D1 20070809; ES 2289607 T3 20080201; PL 1688371 T3 20071130
DOCDB simple family (application)
EP 05002239 A 20050203; AT 05002239 T 20050203; DE 502005000936 T 20050203; ES 05002239 T 20050203; PL 05002239 T 20050203