G - Physics – 01 – M
Patent
G - Physics
01
M
73/118
G01M 3/32 (2006.01)
Patent
CA 1280294
Abstract A bag for use in leak testing vacuum packages, by placing a vacuum package in a bag of elastic flexible foil, providing a pressure differential between the outside and the inside of the bag, and monitoring the pressure variation in the space between the outside of the package and the inside of the flexible bag. According to the invention, the bag is double-walled with the inner and outer walls merging into each other at the open end of the bag, is provided with a dimensionally stable frame between the halls of the bag, and is further provided with an inlet for admitting compressed air into the space between the walls of the bag.
513987
Goudreau Gage Dubuc
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