Metal working – Means to assemble or disassemble – Slide fastener
Patent
1986-03-14
1987-05-19
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Slide fastener
29 332, 425814, A41H 3706, B29D 500
Patent
active
046656138
ABSTRACT:
An apparatus, for forming a row of slide fastener coupling element, comprises a continuously rotatable die wheel having an annular peripheral groove for receiving a row of coupling element blanks in folded fashion, and a punching unit for forming coupling heads on the blanks in the groove. The punching unit includes a punch, an eccentric drive mechanism for imparting eccentric motion to the punch, and a linkage for regulating the eccentric motion of the punch, the drive mechanism having an outer ring connected at opposite ends to the punch and the linkage. Owing to the combination of the eccentric motion of the outer ring and the motion of the linkage, the punch is moved so as to follow the rotation of the die wheel while the coupling heads are shaped on each stroke of the punch.
REFERENCES:
patent: 3054149 (1962-09-01), Streicher
patent: 3594865 (1971-07-01), Erb
patent: 3672805 (1972-06-01), Porepp
patent: 3688805 (1972-09-01), Moertell
patent: 3770361 (1973-11-01), Heimberger
patent: 4182600 (1980-01-01), Moertel
patent: 4251912 (1981-02-01), Yosheida
Goldberg Howard N.
Nichols Steven
Yoshida Kogyo K. K.
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