Apparatus for testing glass

Details Apparatus for testing glass Apparatus for testing glass

1981-10-26

1983-08-02

Birmiel, Howard A.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73838, 65 17, G01N 300

Patent

active

043959172

ABSTRACT:
Apparatus for the destructive testing of glass sheets. The sheets to be tested are subjected to a differential pressure condition by establishing a vacuum on one side thereof and lowering the pressure on such side until the glass deflects to its breaking point. The vacuum system includes a control circuit which enables lowering the pressure in a controlled linear manner with time. The apparatus is designed to permit selection of and testing of sheets substantially immediately after the capping operation.

REFERENCES:
patent: 3736794 (1973-06-01), Biondi

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