[특허]Foam dispenser nozzle

Foam dispenser nozzle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-007/04 B01F-015/02 B01F-015/00
출원번호	US-0599385 (2005-03-29)
등록번호	US-8789725 (2014-07-29)
국제출원번호	PCT/IL2005/000355 (2005-03-29)
§371/§102 date	20070809 (20070809)
국제공개번호	WO2005/091720 (2005-10-06)
발명자 / 주소	Malik, Moshe Levin, Shalom Nevo, Shlomo
출원인 / 주소	P G United States Israel Ltd.
인용정보	피인용 횟수 : 0 인용 특허 : 54

초록 ▼

A chemical mixing device. The device includes a flow generator operative to provide at least two streams of chemicals and a mixing chamber, including at least two inlets adapted to receive the at least two streams of chemicals and an outlet through which a mixture of the streams of chemicals is ejected from the mixing device. The mixing chamber has an open state in which the chemicals are mixed and a closed state in which the volume of the mixing chamber is less than a fifth of the open state volume.

대표청구항 ▼

1. A nozzle for a chemical mixing device comprising a flow generator operated to provide at least two streams of chemicals, the nozzle comprising: a mixing chamber, including: at least two inlets adapted to receive the at least two streams of chemicals, andan outlet through which a mixture of the streams of chemicals is ejected from the nozzle,wherein the mixing chamber has an open state in which the chemicals are mixed and a closed state in which the volume of the mixing chamber is substantially zero; and wherein the mixing chamber remains in the closed state in absence of the at least two streams of chemicals. 2. A nozzle according to claim 1, wherein the mixing chamber has walls that are biased in the closed state in which the walls are pressed against each other. 3. A nozzle according to claim 1, wherein the mixing chamber has a volume smaller than a cubic millimeter in the closed state. 4. A nozzle according to claim 1, wherein the mixing chamber has a volume of less than 20 cubic millimeters in the open state. 5. A nozzle according to claim 1, wherein the mixing chamber comprises a flexible material. 6. A nozzle according to claim 5, wherein the mixing chamber comprises a compressible material. 7. A nozzle according to claim 5, wherein the mixing chamber material has a hardness of less than 60 shore A. 8. A nozzle according to claim 5, comprising a rigid structure which continuously applies a closing force to the mixing chamber. 9. A nozzle according to claim 5, comprising a pressure unit which controllably applies a closing pressure on the mixing chamber when the mixing chamber is in the closed state, but does not apply the closing pressure when the mixing chamber is to be in the open state. 10. A nozzle according to claim 5, comprising an elastic ring which continuously applies a closing force to the mixing chamber. 11. A nozzle according to claim 1, wherein the flow generator and the nozzle are connected to each other and are adapted to be replaced together. 12. A nozzle according to claim 1, wherein the nozzle and containers from which the flow generator extracts the chemicals are adapted to be replaced together. 13. A nozzle according to claim 1, comprising at least two channels which lead the chemicals from the inlets to the mixing chamber, wherein the channels have a decreasing cross-section as they approach the mixing chamber. 14. A nozzle according to claim 1, comprising: a flow regulator which prevents flow into the mixing chamber unless the chemical streams from the flow generator have a pressure above a predetermined threshold,wherein the flow regulator comprises portions of flexible channels leading chemicals from the inlets to the mixing chamber which are pressed into a closed position. 15. A nozzle according to claim 14, wherein the flow regulator prevents flow into the mixing chamber unless the chemical streams from the flow generator have a pressure above a threshold of at least 4 bar. 16. A nozzle according to claim 1, wherein a pressure of the streams of chemicals moves the mixing chamber into the open state. 17. A nozzle according to claim 1, comprising at least two channels which lead the chemicals from the inlets to the mixing chamber, wherein at least a portion of the channels is held in a closed state in absence of the at least two streams of chemicals. 18. A nozzle according to claim 17, wherein a pressure holding the channels closed is greater than a pressure holding the mixing chamber in the closed state. 19. A nozzle according to claim 18, wherein the pressure holding the channels closed gradually decreases along the channels as the channels approach the mixing chamber. 20. A nozzle according to claim 18, wherein the pressure holding the channels closed varies due to variations in walls of the channels.

이 특허에 인용된 특허 (54)

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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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