Tennis-balls

Details Tennis-balls Tennis-balls

1983-06-29

1985-03-12

Kimlin, Edward

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156230, 156247, 156280, 156297, 156241, 156249, 1563041, 156305, 156310, 273 61R, A63B 4500, B32B 3112

Patent

active

045043450

ABSTRACT:
A tennis-ball is made by covering a spherical core with twelve substantially identical pentagonally-shaped pieces of a cover material. Before the pentagonally-shaped pieces are attached to the core, they are covered on their outermost surface by a removable layer of adhesive-impermeable barrier material (e.g. tissue paper). The barrier material restrains the movement of the pentagonally-shaped pieces when applied to the spherical core, so that a narrow uniform seam is obtained. When all twelve cover pieces are correctly positioned on the core, the barrier material is removed and the assembly subjected to a random rolling action to "finish" the ball.

REFERENCES:
patent: Re29303 (1977-07-01), Fraser, Jr. et al.
patent: 902330 (1908-10-01), Rowley
patent: 1593211 (1926-07-01), Faulkner et al.
patent: 2300062 (1942-10-01), Radford
patent: 2819753 (1958-01-01), Nogue 273 61 R

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