A baby bottle with air inlet and production method

A - Human Necessities – 61 – J

Patent

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Details

A61J 9/04 (2006.01) A61J 11/00 (2006.01)

Patent

CA 2542345

The invention relates to a bottle (1), in particular a baby's bottle comprising a bottle jacket (2) that is open at both ends. A base cap (8) that is equipped with an air intake valve (13) is fixed in one base end region (4) of said jacket (2) and a teat (9) is fixed in the opposite teat end region. The teat comprises a shaft (21) and a nipple (23) connected to said shaft by means of a lip contact region (22). According to the invention, the bottle jacket (2) has an essentially conical form that widens from its teat end region to its base end region (4) and the wall thickness of the shaft (21) of the teat (9) is greater than the wall thickness of the teat (9) in the lip contact region (22) and of the nipple (23). The invention also relates to a method for producing the bottle jacket (2) that is open at both ends, in which the bottle jacket (2) is injection-moulded from a polyolefin, in particular polypropylene.

L'invention concerne une bouteille (1), en particulier un biberon, comprenant un corps (2) ouvert des deux côtés. Un fond amovible (8) pourvu d'une soupape d'entrée d'air (13) est fixé sur une zone d'extrémité côté fond (4) du corps (2) du biberon et une tétine (9) est fixée sur une zone d'extrémité opposée côté tétine. Ladite tétine (9) comprend une tige (21) et un embout (23) relié à celle-ci par l'intermédiaire d'une zone d'application des lèvres (22). Selon l'invention, le corps (2) du biberon présente une forme sensiblement conique allant en s'élargissant de la zone d'extrémité côté tétine à la zone d'extrémité côté fond (4) et l'épaisseur de paroi de la tige (21) de la tétine (9) est supérieure à l'épaisseur de paroi de la tétine (9) au niveau de la zone d'application des lèvres (22) et de l'embout (23). L'invention concerne en outre un procédé de production de ce corps (2) de biberon ouvert des deux côtés, ledit corps (2) étant constitué d'un matériau polyoléfinique, en particulier de polypropylène moulé par injection.

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