Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Reexamination Certificate
2008-03-25
2008-03-25
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
C073S821000, C073S825000
Reexamination Certificate
active
11322647
ABSTRACT:
A method for the analysis of the properties of a test specimen comprises: arranging a test specimen between contact surfaces; continuously reducing the distance between the contact surfaces; measuring the diameter of the test specimen when the test specimen makes contact with the contact surfaces; further displacing the contact surfaces in a direction towards each other during the compression of the test specimen until the test specimen disintegrates; storing and continuously recording the force that is applied to the test specimen and the time; recording the maximum forces at all the points of disintegration of the test specimen; increasing the distance between the contact surfaces; and removing the test specimen.
REFERENCES:
patent: 3580060 (1971-05-01), Huskey
patent: 5459767 (1995-10-01), Lessing
patent: 5633468 (1997-05-01), Powers et al.
Apelqvist Anders
Forsmo Seija
Holmdahl Urban
Mickelsson Kjell-Ove
Kirkland, III Freddie
Lefkowitz Edward
Luossavaara-Kiirunavaara AB
Nixon & Vanderhye P.C.
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