Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Threaded fastener stress
Patent
1979-07-12
1981-10-13
Ciarlante, Anthony V.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Threaded fastener stress
F16B 3102, G01N 2400
Patent
active
042941229
ABSTRACT:
A threaded bolt having an opening in either its head or its opposite end with an ultrasonic transducer fixedly secured therein for use in obtaining preload measurements as well as other measurements for quality control inspection or for monitoring purposes.
REFERENCES:
patent: Re30183 (1980-01-01), Popenoe
patent: 3201977 (1965-08-01), Kutsay
patent: 3759090 (1973-09-01), McFaul et al.
patent: 4014208 (1977-03-01), Moore et al.
patent: 4127788 (1978-11-01), Daugherty
Ciarlante Anthony V.
General Dynamics Corporation
Zobal Arthur F.
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