Negative pressure chamber table for gas-driven cutting apparatus

Details Negative pressure chamber table for gas-driven cutting apparatus Negative pressure chamber table for gas-driven cutting apparatus

1995-05-10

1996-10-01

Kastler, Scott

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

With waste entrapping fluid

266 48, B23K 710

Patent

active

055608876

ABSTRACT:
A table and a gas-driven cutting apparatus are provided. The table supports a workpiece in a manner suitable for cutting of the workpiece by the gas-driven cutting apparatus. The table includes an open table top having a plurality of openings for receiving the forced hot gases and a plurality of distributed horizontally arranged contact points for supporting the workpiece. The openings are distributed throughout the table top independently of the cutting paths of the gas-driven cutting apparatus. The table further includes a ventilated stationary negative pressure, situated below the table top and coupled to each of the openings. The table may include a plurality of vertically arranged slats having longitudinal axes extending across the open table top. A plurality of horizontally extending members (e.g., having an inverted V-shape) may be placed between each pair of slats that extend across the open table top. The horizontally extending members together form downwardly angled upper surfaces, each having a lower terminating end that forms a restricted opening in direct contact with the inside of the negative pressure chamber.

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Oxweld Catalog Section 3, "Oxweld Cutting Machines," The Linde Air Products Co. Unit of Union Carbide and Carbon Corporation (F-4487, p-9089). Dec. 1988.
Bulletin 19-106, Dustvent Downdraft Systems, 1992, Dustvent, Inc., pp. 1-8. Dec. 1992.

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