Method and apparatus for treating gaseous material from evaporat

Details Method and apparatus for treating gaseous material from evaporat Method and apparatus for treating gaseous material from evaporat

1990-03-28

1991-11-05

Batten, Jr., J. Reed

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 5, 164 34, 164 61, 164154, 164253, 164255, B22D 2715, B22D 4600

Patent

active

050624709

ABSTRACT:
The pattern is surrounded by packed unbound molding medium within a container. The gaseous material resulting from the evaporation of the pattern is removed from within the container as the gaseous material permeates through the packed unbound molding medium. The outflow of the gaseous material is regulated to control the rate of displacement of the pattern by the molten metal. The removed gaseous material is cleaned and cooled, thereby forming condensate and detoxified gas. Thereafter the condensate, and detoxified gas are discharged.

REFERENCES:
patent: 4139045 (1979-02-01), Vitt
patent: 4291739 (1981-09-01), Baur
patent: 4457352 (1984-07-01), Scheffer
patent: 4544013 (1985-10-01), Kearney et al.
patent: 4612968 (1986-09-01), Ashton et al.
patent: 4828006 (1989-05-01), Vander Jagt

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