Vacuum valve for die casting

Details Vacuum valve for die casting Vacuum valve for die casting

1992-04-27

1993-04-20

Batten, Jr., J. Reed

Metal founding

Means to shape metallic material

Pressure shaping means

164253, B22D 1714, B22D 1720

Patent

active

052033961

ABSTRACT:
The apparatus is used in die casting equipment of the type which utilizes a source of vacuum pressure in an internal die cavity for making a casting. The apparatus includes a valve body that has components that are separable along a split line that is positioned to enable easy cleaning of casting material from internal ports. The apparatus has a valve, a trap operatively connected to the valve body and a closed chamber with an inlet thereto. The chamber is adapted to receive and contain casting material that may enter the inlet thereof.

REFERENCES:
patent: 4431047 (1984-02-01), Takeshima et al.
patent: 4463793 (1984-08-01), Thurner
patent: 4538666 (1985-09-01), Takeshima et al.
patent: 4691755 (1987-09-01), Kuriyama et al.
patent: 4722385 (1988-02-01), Yamauchi et al.
patent: 5022457 (1991-06-01), Iwamoto et al.

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