Electric heating – Metal heating – By arc
Patent
1989-03-31
1990-10-30
Paschall, M. H.
Electric heating
Metal heating
By arc
21912151, 21912152, 21912148, 31323151, B23K 900
Patent
active
049670557
ABSTRACT:
A three-part front-end assembly for a plasma arc cutting torch utilizing a single inlet gas is disclosed. The front-end assembly includes (1) an electrode having an integral, hollow, elongated, interior cooling tube, (2) a tip element with integral swirl ring, and (3) a nozzle. The electrode having an integral, hollow, interior cooling tube stacks upon and nests in the tip element with integral swirl ring. Both of these elements then nest in the nozzle forming the stack configuration of this three part, front end assembly. The invention also includes as a separate element, an electrode having an integral, hollow, elongated, interior cooling tube. Another separate element of this invention is the tip element with integral swirl ring.
REFERENCES:
patent: 3450926 (1969-06-01), Kiernan
patent: 3562486 (1971-02-01), Hatch
patent: 4311897 (1982-01-01), Yerushalmy
patent: 4525094 (1986-11-01), Marhic et al.
patent: 4558201 (1985-12-01), Hatch
patent: 4581516 (1986-04-01), Hatch et al.
patent: 4590354 (1975-05-01), Marhic et al.
patent: 4645899 (1987-02-01), Bebber et al.
patent: 4649257 (1987-03-01), Yakovlevitch et al.
patent: 4682005 (1987-07-01), Marhic
patent: 4691094 (1987-09-01), Hatch et al.
patent: 4701590 (1987-10-01), Hatch
patent: 4716269 (1987-12-01), Carkhuff
patent: 4743734 (1988-05-01), Garlanov et al.
patent: 4748312 (1988-05-01), Hatch et al.
patent: 4769524 (1988-09-01), Hardwick
patent: 4777342 (1988-10-01), Hafner
patent: 4777343 (1988-10-01), Goodwin
patent: 4782210 (1988-11-01), Nelson et al.
Document #1-Author: Thermal Dynamics Corporation, Title: Instruction Manual No. 0-2144, Date: 3/8/88.
Document #2-Author: Thermal Dynamics Corporation, Title: Instruction Manual No. 0-2052, Date: 7/22/88.
Document #3-Author: L-TEC, Title: pp. 2 and 3 of Instructions for Plasma Torch, Date: unknown.
Document #4-Author: Hypertherm, Incorporated: Title: pp. 30 and 31, Torch Assembly Brochure, Date: unknown.
Document #5-Author: Thermal Dynamics, Title: Drawings of Plasma Torch, Date: unknown.
Bervig Dale R.
Raney Ty A.
Paschall M. H.
Tweco Products
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