Vent disc for baby bottle and apparatus for manufacture thereof

Details Vent disc for baby bottle and apparatus for manufacture thereof Vent disc for baby bottle and apparatus for manufacture thereof

A - Human Necessities

61

J

A61J 9/04 (2006.01) A61J 9/00 (2006.01) B26D 7/06 (2006.01) B26F 1/02 (2006.01) B26F 1/24 (2006.01) F16K 15/04 (2006.01)

Patent

CA 2314095

A vent disc (10) for a container is provided. The vent disc has a concavely curved domed (12) central panel with a plurality of perforations (18) extending therethrough along radii that form the concave curvature of the domed central panel. The domed central panel can have a plurality of upwardly extending depressions (20) therein that leave residual central panel above the depressions. The depressions have center lines that are coincident with radii that form the concave curvature of the domed central panel material. Methods and apparatus are also provided for forming the vent disc with the perforations and depressions therein.

On décrit un disque d'aération (10) pouvant équiper un contenant. Ce disque d'aération est constituée d'une pièce centrale bombée (12) de forme concave traversée de plusieurs perforations (18) s'étendant le long de rayons qui en forment la courbure concave. La pièce centrale bombée peut comprendre une pluralité de dépressions (20) acendantes surplombées par la surface restante de la pièce. Ces dépressions comportent des lignes médianes qui jouxtent les rayons formant la courbure concave de la matière de la pièce centrale bombée. On décrit également des procédés et un appareil pour former le disque d'aération muni de perforations et de dépressions.

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