Method for making a thermoplastic composite tubular member such as a golf shaft

Patent 6261500 Issued on July 17, 2001. Estimated Expiration Date:

December 18, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Golf club shaft and its manufacturing mandrel
Patent #: 5413338
Issued on: 05/09/1995
Inventor: Kawamatsu

Shaft for golf club
Patent #: 5427373
Issued on: 06/27/1995
Inventor: Kusumoto

Composite pole manufacturing process for varying non-circular cross-sections and curved center lines
Patent #: 5534203
Issued on: 07/09/1996
Inventor: Nelson, et al.

Graphite composite shaft with reinforced tip
Patent #: 5538769
Issued on: 07/23/1996
Inventor: Sandman, Jr.

Process for making a cylindrical product of fiber reinforcement-thermoplastic resin composite
Patent #: 5585062
Issued on: 12/17/1996
Inventor: Muramatsu, et al.

Apparatus for manufacturing composite tubular articles Patent #: 5626707
Issued on: 05/06/1997
Inventor: Hadzicki, et al.

Inventors

Assignee

Phoenixx TPC, Inc.

Application

No. 202699 filed on 12/18/1998

US Classes:

264/258, Joining a plurality of superposed fibrous or textile layers156/189, About irregular or configured mandrel surface264/322, Initially softening workpiece264/324Woven or felted sheet-form work

Examiners

Primary: Silbaugh, Jan H.
Assistant: Staicovici, Stefan

Attorney, Agent or Firm

Lucas & Just

International Classes

B29C 033/42
B29C 070/20

Abstract

A golf club shaft is made from sheets of carbon fibers in a thermoplastic matrix. A method and apparatus are also set forth for making a golf club shaft in a substantially voidless manner. An improvement in vibration dampening is obtained.