Method for making bicycle frame by composite material

Details Method for making bicycle frame by composite material Method for making bicycle frame by composite material

2005-09-19

2008-08-05

McDowell, Suzanne E. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

C264S573000, C264S103000, C264S258000

Reexamination Certificate

active

07407619

ABSTRACT:
A method for making bicycle frames includes a step of preparing initial parts by carbon-fiber sheets and inflatable bladders are inserted into the initial parts which are then arranged to a desired arrangement. The arranged parts are put in a mold which is heated under a certain pressure. The inflatable bladders are inflated by introducing air therein to push the carbon-fiber sheets against the inside of the mold. The carbon-fiber sheets are then solidified to form a front part of the bicycle frame. A rear part of the bicycle frame or the whole bicycle frame can also be made by the same method.

REFERENCES:
patent: 5368804 (1994-11-01), Hwang et al.

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