Process and apparatus for testing the tightness of seam joints o

Details Process and apparatus for testing the tightness of seam joints o Process and apparatus for testing the tightness of seam joints o

1973-02-20

1977-01-11

Queisser, Richard C.

Measuring and testing

With fluid pressure

Leakage

73 46, 252408, G01M 312

Patent

active

040020550

ABSTRACT:
An apparatus for testing the strength and/or the leakproofness of seams or joints formed between synthetic resin sheets comprising a semicylindrical shell of transparent material having rounded closed-in portions and forming with its peripheral edges, sealing strip means surrounding said opening a continuous frame for engaging said strip means and a flexible closure means operatively associated with said frame for sealing off the opening whereby a test chamber is formed and pump means connected to said chamber for applying a vacuum thereto.

REFERENCES:
patent: 2108176 (1938-02-01), Newby
patent: 2567926 (1951-09-01), Dunkelberger
patent: 2660053 (1953-11-01), Buehner
patent: 2679747 (1954-06-01), Andrus
patent: 2845394 (1958-07-01), Thompson
patent: 3388587 (1968-06-01), Hara et al.
patent: 3524342 (1970-08-01), Hobbs

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