Buckles – buttons – clasps – etc. – Including readily dissociable fastener having numerous,... – With feature facilitating – enhancing – or causing attachment...
Reexamination Certificate
2008-07-29
2008-07-29
Lavinder, Jack W. (Department: 3677)
Buckles, buttons, clasps, etc.
Including readily dissociable fastener having numerous,...
With feature facilitating, enhancing, or causing attachment...
C024S442000
Reexamination Certificate
active
07404241
ABSTRACT:
A silent surface fastener comprises a base part (2), a plurality of engaging elements (3a, 3b) raised from the base part, and a vibration-damping material layer (10) disposed on the back surface of the base part. According to one preferred embodiment, the vibration-damping material layer is disposed on the back surface of the base part through the medium of a bonding layer. The vibration-damping material layer is desired to have a loss tangent (tanδ) at −40 to 40° C. of 0.05-2.5 and a thickness of 0.3-10 mm. According to the other preferred embodiment, the base part is made from a woven or knitted base fabric, the plurality of engaging elements are made of a monofilament, and the fineness of the monofilament is 100-500 T (deciTex).
REFERENCES:
patent: 3086529 (1963-04-01), Munz et al.
patent: 3256882 (1966-06-01), Huber
patent: 4776068 (1988-10-01), Smirlock et al.
patent: 4884323 (1989-12-01), Provost et al.
patent: 6-103 (1994-01-01), None
patent: 2000-70010 (2000-03-01), None
Murayama Teiichi
Ohsugi Shintaro
Alston & Bird LLP
Lavinder Jack W.
YKK Corporation
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