Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1992-04-23
1994-05-10
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
G01N 324
Patent
active
053097688
ABSTRACT:
A method of operating an instrument for testing the physical properties of materials in which each of a series of samples of the material to be tested is placed in a test position located between dies, the dies are closed to mould the material to a test shape, a test is carried out on the sample in the mould and after completion of the test the dies are opened and the sample is removed from the test position is characterised in that a film of material which is substantially non-adhesive to the dies under the conditions of the test is provided to cover those surfaces of the sample which, in the absence of the film, would be in contact with the dies, each sample in turn is conveyed to the test position, and mechanical elements are provided for removing each sample from the test position after the completion of the test. Apparatus suitable for use in the method of the invention is also provided.
REFERENCES:
patent: 3650698 (1972-03-01), Adler
patent: 4395125 (1983-07-01), Kaneko et al.
patent: 4552025 (1985-11-01), Barker et al.
patent: 4584882 (1986-04-01), Tosaki
patent: 4953406 (1990-09-01), Putman
Derwent Abstract, Soviet Inventions Illustrated Sep. 22, 1982-Voron Tech. Inst.
American Society for Testing and Materials (1990) (ASTM) D1646-89 vol. 9, pp. 307-314 (310).
Barker Robert I.
Mathews Michael
Rusling David G.
Stolc Michael J.
Monsanto Company
Myracle Jerry W.
Seward Gordon B.
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