Metal deforming – By use of roller or roller-like tool-element – With non-roller metal deforming station
Patent
1988-05-11
1989-05-30
Combs, E. Michael
Metal deforming
By use of roller or roller-like tool-element
With non-roller metal deforming station
10 43, 72224, B21B 1500, B21G 330
Patent
active
048339067
ABSTRACT:
A wire straightener and multiple preform rollers prepare a continuous length wire for further forming by multiple form rollers having multiple spaced apart notches formed in an annular edge of the rollers. Some notches skip a section of the wire to be headed, and other notches serve to form barbs in the wire. In a first embodiment, after the formed wire is fed to a gripper housing where the wire is cut to a predetermined length, the skipped section is punched to create the fastener head. In a second embodiment, the formed wire is cut and fed to a rotary heading machine.
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patent: 2367226 (1945-01-01), Lonsdale
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patent: 2821727 (1958-02-01), Corckran
patent: 3695310 (1972-10-01), Donadio
patent: 4034587 (1977-07-01), Schwarz
patent: 4368632 (1983-01-01), Thrash et al.
patent: 4637768 (1987-01-01), Rabe
Combs E. Michael
Mason, Jr. Joseph C.
Smith Ronald E.
Star Fasteners International, Inc.
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