Drafting apparatus

Details Drafting apparatus Drafting apparatus

1998-12-08

2000-08-29

Ferensic, Denise L.

Heating

Accessory means for holding, shielding or supporting work...

118724, 438795, 438935, F27D 500

Patent

active

061099155

ABSTRACT:
A drafting apparatus in a furnace. A buffer board having a plurality of gas intakes is disposed in a front end of the drafting apparatus. A laminar flow board having a plurality of gas outtakes is disposed in a rear end of the drafting apparatus. A drafting region is enclosed by the drafting apparatus. The drafting region comprises at least one drafting board to draft and redirect the gas flow. A laminar flow is then obtained to flow through the outtakes on the laminar board.

REFERENCES:
patent: 5106453 (1992-04-01), Benko et al.
patent: 5212116 (1993-05-01), Yu
patent: 5248253 (1993-09-01), Philipossian et al.
patent: 5647945 (1997-07-01), Matsuse et al.

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