Process and apparatus for testing a hollow body

Details Process and apparatus for testing a hollow body Process and apparatus for testing a hollow body

G - Physics

01

F

73/118

G01F 17/00 (2006.01)

Patent

CA 1340901

The invention is directed to a test method and test apparatus for testing hollow bodies. The method comprises loading a predetermined reference volume with a predetermined pressure of a gas; connecting the predetermined reference volume loaded with tine predetermined pressure to a volume of the hollow body to form a composite volume; and measuring a pressure resulting in the composite volume as a measure of the volume of the hollow body. The test apparatus comprises a compartment, a pressure source connected to the compartment, a pressure source arrangement to apply pressure dependent on the volume of the body to the chamber, a reference chamber controllably connected to the test compartment and to a pressure source, and means for measuring pressure in the reference source and in the test compartment.

616929

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