Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Opposed registering coacting female molds
Reexamination Certificate
2007-02-22
2008-08-26
Yuan, Dah-Wei (Department: 4191)
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Opposed registering coacting female molds
C425S110000, C425S117000, C425S814000, C425S542000, C425S545000, C425S572000, C024S381000, C024S389000
Reexamination Certificate
active
07416397
ABSTRACT:
A waterproof slide fastener and a manufacturing apparatus thereof are disclosed, 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 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, an entire shoulder width of a shoulder portion is larger than a body width of the body portion if it is provided, thereby intensifying fixing strength between a fastener tape and fastener elements and waterproofness, and allowing a smooth sliding of a slider.
REFERENCES:
patent: 2397331 (1946-03-01), Winterhalter
patent: 4330244 (1982-05-01), Heimberger
patent: 4350656 (1982-09-01), Moertel
patent: 0108214 (1984-05-01), None
patent: 1388302 (2004-02-01), None
patent: 2175637 (1986-12-01), None
patent: 59-41107 (1984-03-01), None
patent: 63-30247 (1988-08-01), None
patent: WO 02/03825 (2002-01-01), None
Kusayama Masahiro
Tanaka Ryo
Yuki Kenji
Alston & Bird LLP
Theodore Magali P
YKK Corporation
Yuan Dah-Wei
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