Plastic and nonmetallic article shaping or treating: processes – Disparate treatment of article subsequent to working,... – Effecting temperature change
Patent
1991-11-12
1993-09-21
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Disparate treatment of article subsequent to working,...
Effecting temperature change
264257, 264294, 264343, 264347, B29C 4114, B29C 4120
Patent
active
052466582
ABSTRACT:
A method of manufacturing a open-back type working glove. A fiber-made glove is fitted on a dipping hand block, and same is dipped in a stock solution of a rubber latex composition. After the glove and hand block is removed from the stock solution, the solution deposited on the glove in an open-back fashion is heated so as to allow it to be semi-vulcanized. Then, the glove is removed from the dipping hand block and is immersed in water or warm water to allow the rubber coat in semi-vulcanized condition to swell and soften. Finally, the glove is fitted on a setting hand block having a thumb portion projecting considerably beyond the palm portion, with other four finger portions curved toward the palm portion, and the rubber coat is heated for final vulcanization.
REFERENCES:
patent: 3079274 (1963-02-01), Marsden et al.
patent: 3411982 (1968-11-01), Kavalir et al.
Farley Joseph W.
Ortiz Angela
Showa Kako Co., Ltd.
Silbaugh Jan H.
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