최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0722785 (2003-11-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 2 |
A process for manufacturing hollow handled toothbrushes is disclosed. The process includes; a) providing a toothbrush mold having a head portion, a base portion, a toothbrush cavity located between said head and end portions and having walls, an injection port for molten plastic, and a gas injection
I claim: 1. An apparatus for manufacturing a toothbrush, comprising: (a) a toothbrush mold having a head portion, a base portion, a toothbrush cavity located between said head portion and said base portion and having walls, (b) an injection port for injecting molten plastic into said mold, said in
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