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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0695767 (2000-10-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 8 |
An apparatus for making a long lasting foam. The apparatus includes an injection chamber, an expansion chamber and a coiled hose which extends therebetween. The coiled hose includes a plurality of turns. A pressure generating pump is provided to force a stream of a foam solution into the injection c
1. An apparatus for making a long lasting form comprising: an injection chamber having an inlet opening and an outlet opening; hollow coil means having first and second ends, wherein said coil means comprises two coiled hoses, each of said hoses extending between said injection chamber and said
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