Method of making tennis balls

Details Method of making tennis balls Method of making tennis balls

1976-04-13

1979-04-24

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156285, 273 58R, 273 58BA, 273 58J, 273 61R, 273 61B, 273 61C, A63B 3906

Patent

active

041510291

ABSTRACT:
A method of making hollow playballs, particularly tennis balls, having a fiberous e.g. fabric layer, and a flexible polymeric layer in the wall of the ball. The method involves forming laminate blanks of the fiberous material and polymer, edge-joining one or more blanks to form a closed hollow body and hot molding the hollow body in a mold of the desired configuration. A novel playball is also provided.

REFERENCES:
patent: 1509025 (1924-09-01), Patterson
patent: 1640987 (1927-08-01), Gray
patent: 1853515 (1932-04-01), Egerer
patent: 2018559 (1935-10-01), Horner
patent: 3039773 (1962-06-01), Teeguarden et al.
patent: 3390482 (1968-07-01), Holtuoigt

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