Method and apparatus for continuously manufacturing fastener stringer
AssigneeYKK Corporation
InventorsKenichiro Iai, Koitsu Morioka
Life of this patent
Estimating the term…
Loading patent…
AssigneeYKK Corporation
InventorsKenichiro Iai, Koitsu Morioka
Estimating the term…
A fastener stringer continuous manufacturing apparatus which eliminates a necessity of increasing a size of a manufacturing apparatus and is capable of chamfering attaching legs of an engaging element which is produced continuously from a metallic wire rod having a Y-shaped section, securely and accurately, without changing a load and stroke of a pressurizing hammer, the manufacturing apparatus comprises a pair of chamfering punches each of which is disposed above the pressurizing hammer at a height corresponding to a preceding engaging element implanted to a fastener tape in advance, the chamfering punch reciprocating with respect to a side face of the preceding engaging element and having a chamfering face which chamfers outer ridge portions of right and left legs of the preceding engaging element.
A fastener stringer continuous manufacturing method comprising:
A fastener stringer continuous manufacturing apparatus comprising:
Dependencies are inferred from the claim text.