[특허]Infant feeding bottle including pressure equalizing diaphragm

Infant feeding bottle including pressure equalizing diaphragm 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61J-009/04
출원번호	US-0214614 (1994-03-15)
발명자 / 주소	Greenwood Mark H. (Arlington Heights IL) Keith Marvin (Evanston IL)
출원인 / 주소	Children On the Go, Inc. (Wheeling IL 02)
인용정보	피인용 횟수 : 53 인용 특허 : 0

초록 ▼

An infant feeding bottle that is nipple-equipped at one end that is further equipped with a pressure equalizing apertured diaphragm member at the opposite end. The diaphragm member allows room air to pass therethrough into the air space in the bottle when the bottle is inclined and liquid is withdrawn through the nipple, thereby equalizing the interior air pressure. The diaphragm member is gas and liquid tight when the inside and outside pressures are equal and the bottle is in an upright configuration with the feeding liquid resting on the diaphragm member. The diaphragm member has a central portion which is dome configured and provided with apertures that are in a sealed shut configuration when the diaphragm member is relaxed yet that are opened when the diaphragm member is expanded responsive to differential air pressure.

대표청구항 ▼

A bottle for feeding a liquid to an infant and the like comprising in combination: (a) a walled housing defining therewithin a cavity having an opening defined at each one of a pair of opposed ends with each opening having an adjacent cylindrically configured circumferentially extending threaded lip region; (b) two cap members, each said cap member having a circumferentially extending rim and an associated threaded rim adjacent portion that is threadably matingly engagable with a different respective one of said threaded lip regions, and each said cap member having cap associated means for sealing engagement with the adjacent said lip region when each said cap member is fully threadably engaged with each said so engaged said lip region, and each said cap member having a hole defined generally in a mid-region thereof; (c) a nipple member positionable at one said opening and having an outwardly extending nipple and circumferential edge portions that are sealingly associatable with portions of one said one cap members adjacent said hole thereof when said one cap member is so fully threadably engaged with said threaded lip region adjacent said one opening; and (d) a thickened elastomeric diaphragm member positionable at the other said opening, said diaphragm member having a dome configured central portion with opposed concave and convex faces, said diaphragm member having a plurality of discrete apertures defined in said central portion, each said aperture being defined by aperture adjacent regions of said diaphragm member, said apertures individually being in a sealed shut configuration when said diaphragm member is relaxed and being in an open configuration when said diaphragm member is expanded responsive to applied gas pressure, said apertures when in their respective said sealed shut configurations being closed by said aperture adjacent regions of said diaphragm member, said concave face having a dish-like depression defined therein centrally at each one of said apertures, said diaphragm member having circumferential edge portions that are sealingly associatable with portions of the other of said cap members adjacent said hole thereof when said other cap member is so fully threadably engaged with said threaded lip region adjacent said other opening, and said diaphragm member also having said plurality of said apertures positioned so that air can pass through said hole in said other cap member to each of said apertures; whereby, when said bottle is upright and said apertures are in their respective said sealed shut configurations, said liquid in said bottle is retained by said diaphragm member, and when said bottle is inverted and said liquid is being withdrawn from said bottle through said nipple member, said apertures are in their respective said open configurations and gas passes through said apertures into said bottle. As an article of manufacture, a thickened elastomeric diaphragm member having a dome-configured central portion with opposed concave and convex faces and circumferential, generally flattened edge portions, said central portion having defined therein a plurality of apertures that are in a sealed shut configuration when said diaphragm member is relaxed and are in an open configuration when said diaphragm member is expanded responsive to gas pressure applied against said concave face, said concave face having a dish-like depression defined therein centrally at each one of said apertures, whereby said diaphragm member acts as a gas pressure responsive check valve. A process for equalizing gas pressure in the interior gas space of an oriented container relative to exterior gas pressure as liquid in said oriented container is being withdrawn through a discharge aperture of said container, this process comprising the steps of: (a) preliminarily associating a thickened elastomeric diaphragm member with said container in a region thereof that is adjacent to said interior gas space when said container is so oriented, said diaphragm member relative to said container being externally concave, said diaphragm member having a dome-configured central portion with opposed concave and convex faces and circumferential, generally flattened edge portions, said central portion having defined therein a plurality of apertures that are in a sealed shut configuration when said diaphragm member is relaxed and are in an open configuration when said diaphragm member is expanded responsive to gas pressure applied against said concave face, said concave face having a dish-like depression defined therein centrally at each one of said apertures, whereby said diaphragm member acts as a gas pressure responsive check valve, and, thereafter, (b) so orienting said container and so withdrawing said liquid, whereby said exterior gas passes through said openings and so equalizes said interior gas pressure relative to said exterior gas pressure.

이 특허를 인용한 특허 (53)

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Holley, Jr., James W., Nipple with multiple pinholes for baby bottle assembly.
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Ida Frank ; Di Scala Luciano, Nursing bottle utilizing air pressure to expel air from disposable liners and methods using same for feeding an infant.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Infant feeding bottle including pressure equalizing diaphragm 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (53)

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연합인증

Infant feeding bottle including pressure equalizing diaphragm 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (53)

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