Chemistry: electrical and wave energy – Processes and products
Patent
1987-12-18
1989-02-28
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
C25D 110
Patent
active
048082724
ABSTRACT:
A method of constructing a mold for making game balls which comprises inserting pins of a predetermined length in the stitch holes of a stitched leather ball, depositing metallic mold material on the surface of the ball so as to cover the pins, dividing the metal/master assembly into mating halves, each half being symmetrical with respect to the stitching on the ball, and removing the master including the pins from the ball.
REFERENCES:
patent: 2645487 (1953-07-01), Hawes
patent: 2938237 (1960-05-01), Kern
Bahr Donald R.
Benoit John E.
Spalding & Evenflo Companies, Inc.
Tufariello T. M.
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