Metal deforming – With exposure of work to gas – vapor – mist – or modified...
Patent
1990-05-08
1991-10-08
Spruill, Robert L.
Metal deforming
With exposure of work to gas, vapor, mist, or modified...
72273, B21C 2600
Patent
active
050543032
ABSTRACT:
In an extrusion press the void space between a pressure pad (4), a billet container (5), an extrusion die (6) and the billet (12) to be extruded is evacuated by suction through the pressure pad (4) and a hollow extrusion stem (3) before the commencement of extrusion. The extrusion ram (2) is hollow and contains a vacuum reservoir (7) connected to the hollow stem by a vacuum line (8) and valve (9). The vacuum line may have a compressed air line (10) and valve (11) connected to it.
REFERENCES:
patent: 2904830 (1959-09-01), Mulrooney, Jr.
patent: 3303684 (1967-02-01), Starr et al.
patent: 4117703 (1978-10-01), Takahashi et al.
patent: 4128371 (1978-12-01), Kopp
patent: 4550584 (1985-11-01), Degen
patent: 4714423 (1987-12-01), Hattori et al.
patent: 4862721 (1989-09-01), De Rush
Indalex Limited
Spruill Robert L.
LandOfFree
Method of extrusion, and extrusion press does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of extrusion, and extrusion press, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of extrusion, and extrusion press will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-249975