Method for producing a connecting tube interconnecting the shaft

Details Method for producing a connecting tube interconnecting the shaft Method for producing a connecting tube interconnecting the shaft

1992-09-16

1994-02-01

Kuhns, Allan R.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156187, 156191, 156192, 156245, 264321, B65H 8100

Patent

active

052829138

ABSTRACT:
A method of producing a connecting tube that interconnects the shaft and the handle of a racket includes the steps of performing two foamed preforms which cooperatively form a foamed layer; placing the two foamed preforms around an internal impregnated fiber wall of the connecting tube; wrapping predetermined layers of impregnated fibers around the two preforms to form an external impregnated fiber wall; and heating the internal and external impregnated fiber walls and the preforms in a mold to allow the internal and external impregnated fiber walls and the preforms to connect integrally.

REFERENCES:
patent: 3755037 (1973-08-01), Erwin et al.
patent: 3915783 (1975-10-01), Goppel et al.
patent: 3930920 (1976-01-01), Kicherer
patent: 4045025 (1977-08-01), Staub et al.
patent: 4124670 (1978-11-01), Cecka et al.
patent: 4128963 (1978-12-01), Dano
patent: 4194738 (1980-03-01), Inoue et al.
patent: 4294787 (1981-10-01), Lo
patent: 4983242 (1991-01-01), Reed
patent: 5175919 (1993-01-01), Lo

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