Security test device

Details Security test device Security test device

1991-03-20

1993-11-02

Chilcot, Jr., Richard E.

Measuring and testing

Dynamometers

For testing force-biased connections

285 93, G01L 500

Patent

active

052575489

ABSTRACT:
In order to test whether a push-fit joint has been correctly assembled, a test device is assembled as part of the joint. The test device is constructed with an included rupturable region which will rupture at a predetermined pull-out force. After assembly of the joint, the test device is pulled. If the joint has been misassembled, then the pull out force will be sufficient to disassemble the joint, but if the joint has been correctly made, then the test device will break at the rupturable point. The absence of the visible end of the test device will then indicate that the joint has been correctly assembled and the assembly has been tested.

REFERENCES:
patent: 3762059 (1973-10-01), Dawson
patent: 4667837 (1987-05-01), Vitello et al.
patent: 4687114 (1987-08-01), Crisci
patent: 4690297 (1987-09-01), Hoft et al.
patent: 4753458 (1988-06-01), Case et al.
patent: 4946205 (1990-08-01), Washizu
patent: 4948176 (1990-08-01), Bartholomew
patent: 4979765 (1990-12-01), Bartholomew

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