Method of making balls

Details Method of making balls Method of making balls

1977-05-24

1979-05-15

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

273 58A, 273 58B, 273 61R, 273 61C, 273 61D, A63B 3712, A63B 3908

Patent

active

041546350

ABSTRACT:
A method and apparatus for adhesively applying cover pieces to a resilient tennis ball core. In one embodiment the exterior of the core is subjected to vacuum to expand the core while the covers, positioned in a flat orientation, are applied and adhesively secured with the vacuum then released. In another embodiment the cover pieces are cut undersize and longitudinally stretched immediately prior to their adhesive application.

REFERENCES:
patent: 1415438 (1922-05-01), Gibbons
patent: 1446885 (1923-02-01), Gowin
patent: 2299544 (1942-10-01), Humphrey
patent: 2505430 (1950-04-01), Roberts
patent: 2536182 (1951-01-01), Humphrey

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