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-0451126 (1989-12-15) |
우선권정보 | GB-0025026 (1987-10-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 1 |
A valve device comprises a vertical, tubular housing, a vertical valve member in the housing, and a coil-form compression spring encircling the member and urging it upwardly against a valve seat in the housing lower end. The member includes an upper, obturating portion and a lower, closure portion a
A valve device for controlling liquid flow, comprising a tubular housing, a valve member extending substantially coaxially in said housing and movable relative to said housing and axially thereof between an open condition in which liquid can flow between said valve member and said housing and a clos
※ AI-Helper는 부적절한 답변을 할 수 있습니다.