Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking
Reexamination Certificate
2005-10-06
2009-02-03
Vanatta, Amy B (Department: 3765)
Textiles: manufacturing
Textile product fabrication or treatment
Fiber entangling and interlocking
C028S112000
Reexamination Certificate
active
07484277
ABSTRACT:
To provide a method of producing a nonwoven fabric for artificial leather and substrate for artificial leather which is capable of providing the substrate for artificial leather having a sufficient shape stability by producing the nonwoven fabric for artificial leather without causing serious damages to the scrim.A method of producing a nonwoven fabric for artificial leather, including a step of entanglement for uniting superposed fiber web and scrim by a needle punching, wherein the needle punching is performed in a manner satisfying the following formulae 1 and 2:in-line-formulae description="In-line Formulae" end="lead"?S1<2P≦S1/cos(D1×(π/180)) (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?S2<2P≦S2/cos(D2×(π/180)) (2)in-line-formulae description="In-line Formulae" end="tail"?wherein S1is a diameter of warps constituting the scrim, S2is a diameter of wefts constituting the scrim, D1is an angle between the warps and barbs which penetrate the scrim, D2is an angle between the wefts and barbs which penetrate the scrim, and P is a total barb depth of the barbs.
REFERENCES:
patent: 3731352 (1973-05-01), Okamoto et al.
patent: 3877120 (1975-04-01), Okamoto et al.
patent: 4145468 (1979-03-01), Mizoguchi et al.
patent: 4342802 (1982-08-01), Pickens, Jr. et al.
patent: 4426421 (1984-01-01), Nakamae et al.
patent: 4476186 (1984-10-01), Kato et al.
patent: 4587142 (1986-05-01), Higuchi et al.
patent: 4612688 (1986-09-01), Gerlach et al.
patent: 4833012 (1989-05-01), Makimura et al.
patent: 5112421 (1992-05-01), Honda et al.
patent: 7025915 (2006-04-01), Wang et al.
patent: 62-078281 (1987-04-01), None
patent: 3-082858 (1991-04-01), None
patent: 2000-336581 (2000-12-01), None
patent: WO 2005/024121 (2005-03-01), None
Tanaka Daisuke
Yoneda Hisao
Yoshida Yasuhiro
Kuraray Co. Ltd.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Vanatta Amy B
LandOfFree
Nonwoven fabric for artificial leather and process for... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Nonwoven fabric for artificial leather and process for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nonwoven fabric for artificial leather and process for... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4132980