Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Patent
1988-12-02
1990-02-20
Chapman, John
Measuring and testing
Vibration
Resonance, frequency, or amplitude study
73 52, G01N 2900
Patent
active
049015745
ABSTRACT:
This invention concerns a resilience testing gauge and a resilience testing system, which includes the gauge, suitable for testing the seal quality of partly inflated bags. This invention also concerns a method of testing the seal quality of partly inflated bags using the resilience testing gauge. The gauge employs a first (2) and a second (3) beam cantilevered from a rigid block (4). In use the rigid block (4) is vibrated and one of the beams (3) is brought into contact with the article under test. The phase responses of the two beams (2 and 3) then provide information from which the test results can be determined.
REFERENCES:
patent: 2695517 (1954-11-01), Wiggins
patent: 4373396 (1983-02-01), Johnson
patent: 4671101 (1987-06-01), Franklin
A.P.D. Snack Foods Pty Limited
Arana Louis M.
Chapman John
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