Tubular member

Details Tubular member Tubular member

1997-08-11

1999-10-19

Zirker, Daniel

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

473319, 473318, 43 185, 428408, B32B 108, A63B 5310, B29D 2300

Patent

active

059686219

ABSTRACT:
A tubular member for use as a fishing rod, a golf club shaft or the like, in which the member is formed of a plurality of layers containing carbon fiber impregnated with resin, with the layers being overlaid one on another. According to the present invention, the tubular member includes an inner layer formed of carbon fiber and resin and configured into a tubular shape, an intermediate layer including a plurality of layers formed of carbon fiber and resin, and an outer layer formed of carbon fiber and resin and configured into a tubular shape. At least one of the plurality of layers together forming the intermediate layer contains pitch type carbon fiber.

REFERENCES:
patent: 5156396 (1992-10-01), Akatsuka et al.
patent: 5538769 (1996-07-01), Sandman, Jr.
patent: 5569099 (1996-10-01), Jackson
patent: 5653646 (1997-08-01), Negishi et al.
patent: 5721030 (1998-02-01), Okada
GB 2281491A Patent Abst (also JP07068651 and JP07068652 Pat. Absts). Mar. 1995.

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