Vacuum lift foam filled casting system

Details Vacuum lift foam filled casting system Vacuum lift foam filled casting system

1989-07-20

1991-04-23

Lin, Kuang Y.

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

164 34, B22D 1806

Patent

active

050092600

ABSTRACT:
A lost foam casting system (2) is provided with vacuum lift of molten metal (16) to an evaporative foam pattern assembly (8) surrounded by unbonded particulate media such as sand (6) in a flask (4). A gas permeable member (34, 70) formed of randomly oriented ceramic fibers is provided between the sand and a vertical fill passage (20) to apply vacuum from the sand to the fill passage such that molten metal is vacuum lifted through the fill passage to the foam pattern assembly. The foam material is vaporized by the heat of the molten metal as the metal advances upward and is replaced by the metal in the shape of the pattern assembly.

REFERENCES:
patent: 4616689 (1986-10-01), Denis
patent: 4693292 (1987-09-01), Campbell

Affiliated with

Also associated with

Rating

Vacuum lift foam filled casting system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vacuum lift foam filled casting system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum lift foam filled casting system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1615636