Machine and a method for constructing a chain having automatically shaped and welded chain links
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United States of America Patent
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-
Jun 30, 1981
Issued Date -
N/A
app pub date -
May 22, 1979
filing date -
Aug 20, 1976
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A machine for constructing a chain of metallic shaped links from a continuous wire including: means for shaping the wire in the form of a cylindrical wire spiral; means for gripping the first free turn of the spiral; means for cutting away the first spiral turn and associated with shaping means to urge the ends of the first turn to approach to one another, to form a chain link; shaping means to impart the desired configuration to the chain link; welding means to weld the ends of the chain link; and control means to move into the operative or inoperative positions and to make operative or inoperative in a predetermined time sequence and at desired times the various means composing the machine.
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