Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazunori Kanda0
Toshiya Yamamoto0
Kazuhiro Teramae0
Date of Patent
September 7, 2010
0Patent Application Number
123045650
Date Filed
June 14, 2007
0Patent Primary Examiner
Patent abstract
A reinforcing material for urethane foam effectively protects a molded urethane foam body and suppresses fricatives with a metal spring, having high productivity and excellent handleability and being applicable to a molded urethane foam body with highly uneven shape at low cost. It is a reinforcing material for urethane foam wherein a nonwoven fabric A having single fiber linear density of 1.0 to 3.0 dtex and a nonwoven fabric B having single fiber linear density of 0.5 to 2.5 dtex are laminated by needlepunching process by inserting needles from a direction of the nonwoven fabric A with a needle density of 35 to 70 needles/cm2.
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