The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 20, 2010

Filed:

Mar. 06, 2006
Applicants:

Kenichiro Iai, Toyama, JP;

Koitsu Morioka, Toyama-ken, JP;

Inventors:

Kenichiro Iai, Toyama, JP;

Koitsu Morioka, Toyama-ken, JP;

Assignee:

YKK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A41H 37/06 (2006.01); B21D 53/54 (2006.01); B21D 39/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

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.


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