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.
Patent No.:
Date of Patent:
Mar. 04, 2008
Filed:
Feb. 22, 2005
Masahiro Kusayama, Toyama-ken, JP;
Kenji Yuki, Toyama-ken, JP;
Ryo Tanaka, Toyama-ken, JP;
YKK Corporation, Tokyo, JP;
Abstract
A waterproof slide fastener and a manufacturing apparatus thereof, wherein each fastener element has a coupling head, a neck portion, a body portion, and leg portions which are continuously fused and integrated, a terminal end is projected from a gap between upper/lower half portions of the coupling head, upper/lower flanges of a slider make a sliding contact with a surface of each of upper/lower half portions of each leg portion, each half portion of the leg portion is formed in a flat plate shape with a step and thinner than each half portion of the neck portion and the body portion in a direction perpendicular to a plane in which the fastener tape lies, and extending from the body portion via a crotch portion and guiding the flanges, two or more leg portions are disposed with a predetermined interval in a sliding direction.