Patent ID: 7390043

Claim:
A closure cover ( 1 ) made of plastic for tight sealing of an opening ( 3 ) in a support plate (2) comprising: a closure cover ( 1 ) having a covering element ( 10 ) and a sealing element ( 15 ), said sealing element ( 5 ) including an elastic material is connected by means of engaging elements ( 20 ) with counter-engaging elements ( 25 ) of said covering element ( 10 ) including a hard component, and said sealing element ( 15 ) presents a contact flange ( 30 ) and, opposite same, at a distance, at least one elastic sealing lip ( 35 ); said closure cover ( 1 ) includes a hollow cylinder ( 42 ) equipped with a partitioning wall ( 40 ), said hollow cylinder ( 42 ) presents in a frontal region equipped with engaging elements ( 25 ), a flange ( 22 ) in which is embedded the contact flange ( 30 ) of the sealing element ( 15 ); and, said covering element ( 10 )—positioned opposite the frontal region—encloses, at least in part, via a limitation shoulder ( 44 ) said sealing element ( 15 ), wherein the limitation shoulder ( 44 ) is of lesser height than a height (H) of said at least one elastic sealing lip ( 35 ).