Graphite composite shaft with reinforced tip

Details Graphite composite shaft with reinforced tip Graphite composite shaft with reinforced tip

1995-04-05

1996-07-23

Ryan, Patrick J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 68, 428 369, 428 3691, 428 3692, 473319, B32B 108, A63B 5310, B29D 2200

Patent

active

055387691

ABSTRACT:
An improved graphite composite shaft which can be used in fishing rod or golf clubs includes a base shaft made at least partially of graphite composite material provided in one or more layers or plies. Each shaft has a relatively slender tip that is normally prone to impact damage. An outer concentric reinforcement layer made of a composite material having thermoplastic fibers, such as Vectran, Spectra, or the like, is provided on the base shaft. The reinforcement layer extends only part of the way up the length of the base shaft from the tip thereof. The reinforcement layer makes the shaft more resistant to impacts occurring at the tip, thus increasing the durability of the shaft without decreasing the performance of the fishing rods or golf clubs that incorporate the shaft.

REFERENCES:
patent: 5265872 (1993-11-01), Tennent et al.
patent: 5265911 (1993-11-01), Goode
patent: 5294151 (1994-03-01), Goode
patent: 5324558 (1994-06-01), Muto et al.

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