Bottles and jars – Nursing bottles and nipples
Patent
1990-03-14
1992-09-08
Weaver, Sue A.
Bottles and jars
Nursing bottles and nipples
215 112, 215 116, A61J 900, A61J 902, A61J 908, A61J 1104
Patent
active
051450771
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a feeding bottle comprising a bottle body with a wide bottle neck to which a teat with a radial flange is attached or adapted to be attached by means of a cap, particularly a connection-nut screw cap, the cap at least indirectly clamping the flange against the upper edge of the neck of the bottle and having a central opening for the teat.
A number of feeding bottles have been known (cf., e.g. British Patent 1,027,101, U.S. Pat. Nos. 2,959,314 and 3,495,993 and French Patent 2,446,632), which conventionally have a relatively narrow bottle body or at least a narrow bottle neck with a teat thereon for the use of the bottle. It has been also known to insert plate-shaped valve members between the bottle neck and the teat for preventing sucking-in air (British Patent 1,027,101, U.S. Pat. No. 2,959,314 and French 2,446,632).
French Patent 2,538,699 shows a comparable feeding bottle with a reflux valve between the neck of the bottle and the teat, the valve making possible the draining of the teat when drinking, even without sucking, by compressing the teat, e.g., with lips.
From U.S. Pat. No. 3,495,993 is likewise known a "narrow neck" feeding bottle with a hermetically closing cap between the teat and the neck of the bottle; said cap has to be pressed in before the bottle is used.
In comparison with these known "narrow-neck" feeding bottles, broad bottle necks of a diameter only slightly or not at all smaller than the diameter of the bottle body proved to be superior because they make it easier to clean the inside of the bottle. It is expedient for such purpose to provide a bottle of a comparatively large diameter because this makes it possible to produce a bottle of a more compact, lower shape with of the same capacity. In addition, the bottle is then sturdier.
Such wide neck bottle is known from European Patent 9460, where the teat is in a conventional way applied on the upper neck edge of the bottle by means of a screw cap. The teat has then its radical flange clamped to the upper edge of the bottle neck, the clamping area being quite narrow. This can make the teat unintentionally, also by the infant baby, readily pressed down into the inside of the bottle or withdrawn from the clamping position, thus entailing the risk that the infant baby would swallow it and suffocate.
The wider the neck of the bottle and, therefore, the wider the teat, the greater the risk of this release of the teat. Another disadvantage of this known feeding bottle is that it is necessary to use correspondingly large teats, with a broad base corresponding to the neck of the bottle. In this connection, the teat material currently preferred for hygienic and manufacturing reasons, namely, silicone rubber, is relatively expensive, so that the cost of the teat is very high. Considering that usually various liquid food-stuffs, such as milk, tea, mash for babies, are dispensed from the same feeding bottle, it becomes necessary to keep a supply of teats with various sizes of outlet openings as well as store an assortment of teats. All above-mentioned high costs for relatively large teats become still greater by storing relatively large teats.
From U.S. Pat. No. 3,650,270, U.S. Pat. No. 3,182,841 and WIPO 86/06273 are known embodiments where a teat of a smaller cross section than the neck of the bottle is attached to the bottle opening by using a screw cap having a central inlet opening for the teat to be fixed therein. According to U.S. Pat. No. 3,650,270 and U.S. Pat. No. 3,182,841, this takes place by the flange and web portions of the screw cap interlocking with the teat; but the teat cannot be adequately securely anchored. The result is that the above described disadvantages are aggravated by the risk that the teat could be swallowed. According to WIPO 86/06273, the silicone rubber teat should be permanently anchored in the opening of the screw cap of thermoplastic material by injection molding. If the teat must be changed in such feeding bottle, the unit teat-screw cap must be always changed; this is uneconomical an
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Mam Babyartikel Gesellschaft M.B.M.
Weaver Sue A.
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