Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1993-06-17
1995-07-11
Williams, Hezron E.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73826, 73856, 374 49, G01N 308
Patent
active
054310601
ABSTRACT:
A convertible tensile test machine having a dual capability for selectively testing a specimen in an open environment or in solution including a frame having an upper portion and a lower portion and a central portion therebetween, a support plate on the central portion of the frame, a carriage on the frame above the support plate on the upper portion of the frame, a load cell transducer on the carriage, a drive for driving the carriage toward and away from the support plate, an upper grip on the load cell transducer, a lower grip on the lower portion of the frame below the support plate, an opening in the support plate, a connector member connected to the upper grip and extending through the opening in the support plate for connection to the upper end of a specimen, the lower end of which is connected to the lower grip for open environment testing, a shelf mountable on the lower portion of the frame for supporting a vessel for solution testing, a second lower grip, a carrying member attachable to the support plate for carrying the second lower grip for immersing the second lower grip in the vessel, and an opening in the carrying member for receiving the connector member for attachment to an upper end of a specimen, the lower end of which is connected to the second grip contained in the vessel.
REFERENCES:
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patent: 2689474 (1954-09-01), Wachtel
patent: 3859848 (1975-01-01), Dripke
patent: 3994158 (1976-11-01), Weinhold
patent: 4018080 (1977-04-01), Fletcher et al.
patent: 4114420 (1978-09-01), Browning
patent: 4266424 (1981-05-01), Muenstedt
patent: 4478086 (1984-10-01), Gram
Cryostat For Tension Testing In The Temperature Range 4.degree. to 300.degree. K. by G. U. Behrsing and L. R. Lucas--Published in The Review Of Scientific Instruments, vol. 36(5): pp. 617-620--May 1965.
Thermodynamics Of Shrinkage Of Fibrous (Racked) Rubber by J. F. M. Oth and P. J. Flory--Published in Journal American Chemical Association--vol. 80: pp. 1297-1304--Mar. 20, 1958.
Ashraf Nashmiya
Gastel Joseph P.
Williams Hezron E.
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