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Patent Searching and Data


Title:
TIGHTNESS TEST DURING THE EVACUATION OF A FILM CHAMBER
Document Type and Number:
WIPO Patent Application WO/2015/028338
Kind Code:
A3
Abstract:
The invention relates to a method for testing the sealing tightness of a test sample (18), containing a gas, in a film chamber (12) made from flexible material. Said film chamber (12) is evacuated by a vacuum pump (28). The invention is characterized in that the gas flow flowing out from the film chamber (12) and generated by the vacuum pump (28) is measured during the evacuation and is examined with respect to a possible leak of the test sample (18).

Inventors:
WETZIG DANIEL (DE)
DECKER SILVIO (DE)
Application Number:
PCT/EP2014/067591
Publication Date:
April 16, 2015
Filing Date:
August 18, 2014
Export Citation:
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Assignee:
INFICON GMBH (DE)
International Classes:
G01M3/02
Foreign References:
US3813923A1974-06-04
US20010003917A12001-06-21
US3818752A1974-06-25
Attorney, Agent or Firm:
VON KREISLER SELTING WERNER (Bahnhofsvorplatz 1, Köln, DE)
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