F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 13/14 (2006.01) B65D 39/04 (2006.01) B65D 51/16 (2006.01)
Patent
CA 2742724
An object is to provide a vent plug making liquid unlikely to accumulate therein, while preventing an air-permeable membrane from breaking by means of at least one convex part. The vent plug of the present invention includes a cylindrical member 1 having a through-hole 1a, and an air-permeable membrane 2 attached around the cylindrical member 1, wherein the air-permeable membrane 2 has a circumferential attachment region which is in contact with the cylindrical member 1, and an air-permeable region facing the through-hole 1a, the cylindrical member 1 is provided with at least one convex part 1b which projects beyond the plane including the air-permeable region, and the circumferential attachment region of the air-permeable membrane 2 has a shape following a part or the entire of the convex part 1b.
La présente invention concerne un bouchon de mise à lair libre, la rupture dune membrane perméable à lair étant évitée au moyen dune pièce saillante dun élément cylindrique, mais un liquide nétant pas susceptible de rester à lintérieur. Linvention concerne spécifiquement un bouchon de mise à lair libre comprenant un élément cylindrique (1) comportant un trou traversant (1a) et une membrane perméable à lair (2) fixée autour de lélément cylindrique (1). La membrane perméable à lair (2) comporte une région attachée qui est en contact avec lélément cylindrique (1), et une région perméable à lair faisant face au trou traversant (1a). Lélément cylindrique (1) est pourvu dune partie saillante (1b) qui dépasse du plan comprenant la région perméable à lair, et la forme de la région attachée de la membrane perméable à lair (2) suit une partie ou la totalité de la partie saillante (1b).
Ono Masashi
Ueki Takuya
Gowling Lafleur Henderson Llp
Japan Gore-Tex Inc.
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