Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Nonwoven fabric – Nonwoven fabric has an elastic quality
Reexamination Certificate
2003-08-05
2008-07-29
Torres-Velazquez, Norca (Department: 1794)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Nonwoven fabric
Nonwoven fabric has an elastic quality
C442S328000, C442S340000, C442S341000, C442S400000, C442S268000, C442S319000, C442S333000, C442S347000, C442S352000, C442S362000, C442S364000, C442S381000, C442S394000, C428S365000
Reexamination Certificate
active
07405171
ABSTRACT:
PROBLEM TO BE SOLVED: To provide an elastic nonwoven fabric with a good elasticity, adequate strength under elongation, good antiblocking property and favorable feeling, suitable for fiber products, at low cost, as well as fiber products using the same.SOLUTION: An elastic nonwoven fabric comprising long elastomeric fiber and nonelastomeric fiber in a weight ratio within a range from 50/50 to 95/5, which has an elongation recovery rate of the elastic nonwoven fabric after 50% elongation equal to or higher than 70%, and a resistance to peel two sheets of the nonwoven fabric apart equal to or lower than the strength of the fabric under 50% elongation; as well as fiber products using the same.
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Iwata Junji
Minamizawa Hisanobu
Tsujiyama Yoshimi
Chisso Corporation
Chisso Polypro Fiber Company Limited
Torres-Velazquez Norca
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