B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/12 (2006.01) A41D 19/015 (2006.01) A63B 41/08 (2006.01) B32B 5/02 (2006.01) D06N 3/00 (2006.01) D06N 3/14 (2006.01)
Patent
CA 2480941
A sheet material having polymer layer over the surface of base fabric, the polymer layer comprises a primary outwardly projecting pebbles and a secondary pebbles & valleys over the primary outwardly projecting pebbles, wherein an average height difference (A) of the primary pebbles is 50 to 1000 µ m, a projected area of the upper surface of the primary pebbles is 1 to 300 mm2, an average height difference (B) of the secondary pebbles & valleys is 5 to 200 µ m, an average distance between the pebbles each other of the secondary pebbles & valleys is 100 to 500 µ m, and A ~ B . A gas filling type ball, a basketball and a glove using the sheet material. Materials for sporting balls such as basketball, American football, Rugby ball, handball, etc., or as the material for gloves having enough mechanical strength, excellent handling property and sufficient surface abrasion resistance are provided.
Fujisawa Michinori
Ishihara Yoshio
Kuraray Co. Ltd.
Smart & Biggar
LandOfFree
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