Double-walled vessel having pressure compensation opening

Details Double-walled vessel having pressure compensation opening Double-walled vessel having pressure compensation opening

A - Human Necessities

47

J

A47J 41/00 (2006.01)

Patent

CA 2711161

A double-walled vessel (1) is disclosed, which has a pressure equalization opening (24). Said opening is closed by a stopper (4), which has at least one gas passage channel (41). Said channel is configured such that it allows air to pass, while it prevents the penetration of water into the intermediate space. The stopper is preferably made from a silicone-based plastic and fastened to the vessel by means of an adhesive based on acetoxy silicone. For fastening purposes, it may comprise a disk-like fastening flange (43).

L'invention concerne un réservoir (1) à double paroi possédant une ouverture (24) d'égalisation de pression. Celle-ci est fermée par un bouchon (4) présentant au moins un passage (41) de pénétration des gaz. Ce passage est conçu de façon à permettre à l'air de pénétrer, tout en empêchant à l'eau de s'introduire dans l'espace intermédiaire. Le bouchon est, de préférence, fabriqué en un plastique à base de silicone et fixé au réservoir par un adhésif à base d'acétoxy-silicone. Il peut présenter une bride de fixation (43) de forme arrondie à des fins de fixation.

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