Brushing – scrubbing – and general cleaning
Patent
1975-06-09
1977-04-26
Frazier, Roy D.
Brushing, scrubbing, and general cleaning
F16B 3934
Patent
active
040195503
ABSTRACT:
A sealing nut having a shouldered insert of heat stabilized-lubricated nylon with a protruding crown, locked into a recess provided at one end of the nut body by means of a coined lip engaging the shoulder. Sealing is effected when the nut is engaged on a threaded male member and screwed against a bearing surface through which the male member extends by exterior folding of the crown upon itself and confining the resulting fold within the lip, said lip being brought into metal-to-metal engagement with the bearing surface.
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Abbott Screw & Mfg. Co.
Bonck Rodney H.
Frazier Roy D.
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