Cartridge closure with opening and closing means
First Claim
1. A cartridge closure with opening and closing means comprising a mouthpiece (13) with an open end, a closure part (3) having a sleeve portion (33) axially movably supported on said mouthpiece (13) between a closing position and an opening position, said mouthpiece (13) having a transverse wall (14) which is supported in spaced relationship from said open end of said mouthpiece (13) by support webs (15) extending between the open end of said mouthpiece and said transverse wall (14) and said closure part (3) including a neck portion (31) of a smaller diameter than said sleeve portion (33) with a transition area between the neck portion (31) and the sleeve portion (33) including a conical seal surface area (34) which, in the closing position of the sleeve portion (33) sealingly engages a circumferential edge of said transverse wall (14).
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Accused Products
Abstract
In a cartridge closure with opening and closing means comprising a mouth piece with an open end and a closure part having a sleeve portion axially movably supported on the mouthpiece, a transverse wall is supported by support webs in axially spaced relationship from the open end of the mouthpiece and the closure part includes a neck portion of a smaller diameter than the sleeve portion with a transition area between the neck portion and the sleeve portion which includes a conical seal surface area which, in the closing position of the sleeve portion, sealingly engages a circumferential edge of the transverse wall.
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Citations
9 Claims
- 1. A cartridge closure with opening and closing means comprising a mouthpiece (13) with an open end, a closure part (3) having a sleeve portion (33) axially movably supported on said mouthpiece (13) between a closing position and an opening position, said mouthpiece (13) having a transverse wall (14) which is supported in spaced relationship from said open end of said mouthpiece (13) by support webs (15) extending between the open end of said mouthpiece and said transverse wall (14) and said closure part (3) including a neck portion (31) of a smaller diameter than said sleeve portion (33) with a transition area between the neck portion (31) and the sleeve portion (33) including a conical seal surface area (34) which, in the closing position of the sleeve portion (33) sealingly engages a circumferential edge of said transverse wall (14).
Specification