Threaded – headed fastener – or washer making: process and apparat – Process – Making headed fastener – e.g. – rivet or nail – etc.
Patent
1994-07-25
1996-08-06
Larson, Lowell A.
Threaded, headed fastener, or washer making: process and apparat
Process
Making headed fastener, e.g., rivet or nail, etc.
470136, B21G 330
Patent
active
055428860
ABSTRACT:
A process for transforming the round shafts of nails into a multi-vaned profile involves supplying an oriented sequence of abuting identical nails to an indexing operation where the nails are separated and uniformly oriented, then feeding the nails head first downwardly into the nip of rolls which secure each nail by its head and form the round shaft of each secured nail into a multi-vaned profile. Apparatus for performing the nail transforming process includes an indexing mechanism, a downward feeding mechanism, and a set of forming rolls positioned to rotate in vertical planes.
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Cutright Edwin L.
Heidorn Martin W.
Kelly William L.
Scott George R.
Jewett Automation, Inc.
Larson Lowell A.
Rainer Norman B.
Schoeffler Thomas C.
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