Method for obtaining uniformly mixed gases in a ball mold

Details Method for obtaining uniformly mixed gases in a ball mold Method for obtaining uniformly mixed gases in a ball mold

1979-02-09

1981-02-03

Schmidt, Frederick R.

Fluent material handling, with receiver or receiver coacting mea

Processes

Gas or variation of gaseous condition in receiver

53408, 53 86, 264545, 264574, B65B 3102

Patent

active

042482755

ABSTRACT:
A method is provided for rapidly distributing mixed gases throughout a partially evacuated ball mold. The invention is particularly useful in the pressurizing of tennis ball centers with a mixture of air and a low permeability gas. By this invention, the distribution of the low permeability gas throughout the mold can be accomplished by first partially evacuating air from the mold then injecting the mixed gases into the mold.

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