Safety closure for steam pressurized containers of household appliances
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-051/16
B65D-051/18
출원번호
US-0667358
(2005-11-02)
등록번호
US-8087529
(2012-01-03)
우선권정보
DE-20 2004 017 790 U (2004-11-09); DE-20 2005 004 798 U (2005-03-19)
국제출원번호
PCT/EP2005/011693
(2005-11-02)
§371/§102 date
20071218
(20071218)
국제공개번호
WO2006/050845
(2006-05-18)
발명자
/ 주소
Koerber, René
출원인 / 주소
Reutter Metallwarenfabrik GmbH
대리인 / 주소
Bacon & Thomas, PLLC
인용정보
피인용 횟수 :
2인용 특허 :
8
초록▼
A safety closure for steam-pressurized containers of household appliances, such as steam irons, steam cleaners and the like. The safety closure is provided with an inner part that can be screwed onto the filling hole of the container, and with an outer part in the shape of a grip cap. A coupling ele
A safety closure for steam-pressurized containers of household appliances, such as steam irons, steam cleaners and the like. The safety closure is provided with an inner part that can be screwed onto the filling hole of the container, and with an outer part in the shape of a grip cap. A coupling element is provided between the inner part and the outer part and can be axially displaced against the effect of a spring by a drive controlled by the internal container pressure in such a manner that the outer part and the inner part are interconnected in a rotationally fixed manner when the container is not pressurized The connection being neutralized when the container is pressurized. The aim of the invention is to provide a safety closure whose components that are exposed to the pressure are more solid and therefore function more reliably and whose drive at the same time serves as a protection from an inadmissibly high excess pressure. For this purpose, the drive for the coupling element is configured by a valve support which is axially mobile inside the inner part and which can be placed on the coupling element against the axial effect of a spring.
대표청구항▼
1. A safety closure for containers which are under steam pressure, for devices in connection with household applications, such as steam irons, steam cleaning devices and the like, having: an interior element, which can be screwed on a filler opening of the container; andan exterior element in the fo
1. A safety closure for containers which are under steam pressure, for devices in connection with household applications, such as steam irons, steam cleaning devices and the like, having: an interior element, which can be screwed on a filler opening of the container; andan exterior element in the form of a gripping cap;a coupling member provided between said interior element and said exterior element;a first spring; anda drive mechanism controlled by the pressure in the interior container in such a way that, with the container not under pressure, a connection, fixed against relative rotation, exists between said exterior element and said interior element, which is released when the container is under pressure, wherein:said drive mechanism includes a diaphragm, which is arranged on said exterior element between an annular sealing face on said interior element and a valve disk, which is charged by a second spring, said second spring being an axial overpressure compression spring;said coupling member being movable against the action of said first spring; andsaid valve disk is embodied in the shape of a hood and constitutes on its inner end facing away from an annular contact face of said overpressure compression spring a radially interior axial guidance device for a diaphragm slide of said drive mechanism. 2. The safety closure in accordance with claim 1, wherein: by means of a shoulder the inner end of said valve disk constitutes an axial stop for said diaphragm slide. 3. The safety closure in accordance with claim 1, wherein: said interior element is locked axially and on the circumference with a stationary coupling element. 4. The safety closure in accordance with claim 1, wherein: said movable coupling member is held, radially fixed against relative rotation on the outside, but axially movable, in said exterior element and is provided with a radially centered axial cylinder, whose bottom is resiliently pressed against said diaphragm. 5. The safety closure in accordance with claim 1, wherein: said coupling member is provided radially on the inside with fastening strips, against which said overpressure compression spring rests. 6. The safety closure in accordance with claim 1, wherein: said coupling member fastened on said interior element is axially held in a suspended manner in said exterior element by means of an annular flange on the exterior circumference, but is circumferentially movable. 7. The safety closure in accordance with claim 1, wherein: said axially movable coupling member is provided with axial pegs, which engage bores in the bottom of said hood-like stationary coupling element.
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