Threaded – headed fastener – or washer making: process and apparat – Process – Making headed fastener – e.g. – rivet or nail – etc.
Patent
1993-04-15
1995-02-21
Larson, Lowell A.
Threaded, headed fastener, or washer making: process and apparat
Process
Making headed fastener, e.g., rivet or nail, etc.
219 58, B21G 318, B23K 1102
Patent
active
053911148
ABSTRACT:
Method for the manufacture of a nail element comprising a plate-shaped body and one or more elongate elements whereby in accordance with the invention in each case at least one elongate element is set at an angle relative to the face of the plate-shaped body and brought into contact with it, whereupon heat, for example from electric resistance welding, is generated at the point of contact for melting the material of the elongate element and the plate-shaped body in order to weld these to each other, so that a nail element may be obtained in a simple manner and inexpensively.
REFERENCES:
patent: 4159413 (1979-06-01), Rosenstock et al.
patent: 4194621 (1980-03-01), Lange
patent: 4714814 (1987-12-01), Kramer
patent: 4853511 (1989-08-01), Ritter et al.
Larson Lowell A.
Schoeffler Thomas C.
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