Robert D Fest

US Patent:

7896060, Mar 1, 2011

Filed:

Jun 2, 2008

Appl. No.:

12/131772

Inventors:

Lennie L. Ashburn - Doylestown PA, US
Robert W. Fest - Palmyra NJ, US
John H. Mortimer - Little Egg Harbor Township NJ, US

Assignee:

PV/T, Inc. - Rancocas NJ

International Classification:

B22D 27/04
B22D 27/15

US Classification:

1641221, 164258, 1643381

Abstract:

An apparatus and process are provided for casting liquid metals into molds in a casting furnace comprising a controlled environment melt chamber and a mold lock chamber. A mold is supplied to the controlled environment melt chamber for a pour, and removed from the same chamber via a mold lock chamber. A mold transport system moves the mold through the mold lock chamber. The mold transport system comprises a rotary screw drive, a cylinder screw drive, or hydraulic drive located external to the furnace. Alternatively the mold transport system comprises a rack and worm screw drive.

US Patent:

20060260779, Nov 23, 2006

Filed:

Apr 6, 2006

Appl. No.:

11/399559

Inventors:

Lennie Ashburn - Doylestown PA, US
Robert Fest - Palmyra NJ, US
John Mortimer - Little Egg Harbor Township NJ, US

International Classification:

B22D 27/15
B22D 27/04

US Classification:

164061000, 164122100, 164256000

Abstract:

An apparatus and process are provided for casting liquid metals into molds in a casting furnace comprising a controlled environment melt chamber and a mold lock chamber. A mold is supplied to the controlled environment melt chamber for a pour, and removed from the same chamber via a mold lock chamber. A mold transport system moves the mold through the mold lock chamber. The mold transport system comprises a rotary screw drive, a cylinder screw drive, or hydraulic drive located external to the furnace. Alternatively the mold transport system comprises a rack and worm screw drive.