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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Leak detection in vacuum bags

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01M-003/34    G01M-003/04    G01M-003/22    G01M-003/38   
출원번호 US-0892916 (2013-05-13)
등록번호 US-9046437 (2015-06-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Yee & Associates, P.C.
인용정보 피인용 횟수 : 1  인용 특허 : 129
초록

Air leaks in a seal beneath a vacuum bag are detected using a leak detection film inside the vacuum bag. The film includes a gas permeable binder and a gas sensitive material held in the binder. The gas sensitive material has at least one visual characteristic that changes in the presence of gas entering the vacuum bag through a leak in the seal.

대표
청구항
▼

1. A device comprising: a vacuum bag;a first film including oxygen sensitive material inside of and extending across the vacuum bag, the oxygen sensitive material changing in physical appearance at the general location of an air leak in the vacuum bag;a second film including oxygen sensitive material inside of and extending across the vacuum bag, the oxygen sensitive material changing in physical appearance at the general location of an air leak in the vacuum bag;wherein the physical appearance of the first film is a first color and the physical appearan...

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이 특허를 인용한 특허 피인용횟수: 1

  1. Brennan, Joseph D.; Hempstead, George D.; Jones, Darrell D.; Lum, Matthew K.; McCowin, Peter D.; Rowe, Terrence J.; Schlosstein, Hugh R.. Method and apparatus for layup placement. USP2017099770871.

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