The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 1987
Filed:
Oct. 29, 1985
Applicant:
Inventors:
Assignee:
Nippon Sanso Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 493 ; 73 52 ;
Abstract
Method and apparatus for determining a vacuum degree of a flexible vacuum package. The vacuum package is sealingly placed within a vacuum chamber and then the vacuum chamber is evacuated to a vacuum degree below the vacuum degree of the vacuum package placed within the vacuum chamber. A start of inflation of the package is detected during the evacuation step and pressure within the vacuum chamber is measured when the start of the inflation of the package is detected.