Curved pipe and process and apparatus for producing the same
AssigneeToray Industries, Inc.
InventorsToshihide Sekido, Ryoichi Matsuura, Tetsuyuki Kyono, Kazuhiko Nishimura, Kosuke Yoshimura, Shinya Isoi, Haruo Obara, Hiromitsu Kanamori
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Abstract
An FRP curved pipe, particularly suitable for an FRP racket, good in resin flowability and deaeration at the time of molding, less in surface defects and excellent in strength can be obtained by a structure comprising an inner layer including a reinforcing fiber and an outer layer including a non-woven fabric having a single fiber diameter of not greater than 20 .mu.m and a weight per unit area of not greater than 100 g/m.sup.2.
Claims18
A curved pipe of fiber reinforced plastics material comprising an inner layer including a reinforcing fiber and an outer layer including a non-woven fabric having a single fiber diameter of not greater than 20 .mu.m and a weight per unit area of not greater than 100 g/m.sup.2.
A racket made from a fiber reinforced plastics material comprising an inner layer including a reinforcing fiber and an outer layer including a non-woven fabric having a single fiber diameter of not greater than 20 .mu.m and a weight per unit area of not greater than 100 g/m.sup.2.
Dependencies are inferred from the claim text.