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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0837556 (1977-09-28) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 3 |
Foam is produced when a reservoir is deformed by squeezing. When pressure is applied to the reservoir, a vent passage is sealed by a flexible washer, while liquid is forced up a tube and through a passage in a cylindrical member to a region at the top of that member. Air is forced through another pa
A device for producing foam from a foamable liquid and air, said device comprising: a vertical reservoir with an open neck adapted to contain a quantity of foamable liquid and air which is deformed when squeezed and which automatically returns to undeformed state when squeezing pressure thereon is r
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