Use of mold venting practices in green sand molding for odor red

Details Use of mold venting practices in green sand molding for odor red Use of mold venting practices in green sand molding for odor red

1979-08-06

1981-05-12

Baldwin, Robert D.

Metal founding

Process

Shaping a forming surface

164410, 164363, B22C 902, B22D 4500

Patent

active

042665957

ABSTRACT:
A method of reducing odors resulting from a ferrous metal molding operation is disclosed. A green sand molding mixture is employed having 1-2% by weight volatile organic material. The mold is provided with manifold-type channels each 0.5 inch in diameter which extend between the upper mold surface to a distance 1-2 inches from the mold cavity. The channels are spaced apart a distance 2-10 inches and at least one of the channels is located 2.5 inches from a pouring basin so that during a metal pouring operation all of the gas flows exiting from said channels will be autoignited and reduce odors by at least 50%.

REFERENCES:
patent: 1925479 (1933-09-01), Connor
patent: 2830343 (1958-04-01), Shroyer
patent: 3631791 (1972-01-01), Harris et al.

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