Brushing – scrubbing – and general cleaning
Patent
1975-03-28
1976-06-01
Britts, Ramon S.
Brushing, scrubbing, and general cleaning
29446, 151 35, 151 38, F16B 3102, F16B 3924
Patent
active
039600483
ABSTRACT:
A fastener assembly for use in producing an accurate tension indicating fastener unit of the type including a rotary fastener member, a conical-like spring washer preassembled thereto and gauge member preassembled between the bearing surface of the fastener and the spring washer so as to be pinched therebetween upon compression of the washer under a predetermined load. The invention is also concerned with a method of accurately calibrating such a fastener unit.
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patent: 3631910 (1972-01-01), Crowther et al.
patent: 3881392 (1975-05-01), Curtis
Beart R. W.
Britts Ramon S.
Buckman T. W.
Illinois Tool Works Inc.
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