Shield cup protector apparatus for plasma arc torch

Details Shield cup protector apparatus for plasma arc torch Shield cup protector apparatus for plasma arc torch

1988-11-03

1990-01-02

Paschall, M. H.

Electric heating

Metal heating

By arc

2191215, 21912139, 21913743, B23K 900

Patent

active

048914894

ABSTRACT:
A shield cup protector apparatus for protecting a ceramic shield cup of a plasma arc torch from breakage during operation thereof. The shield cup protector apparatus is comprised of an elongated cylinder having first and second open ends. A first open end of the elongated cylinder is positioned to abut a peripheral portion of the shield cup, allowing the shield cup to extend into an inner cavity formed by the cylinder, thereby allowing the shield cup to support the cylinder therefrom, while also allowing the elongated cylinder to surround the exposed surfaces of the shield cup to protect the shield cup thereby.

REFERENCES:
patent: 3204076 (1965-08-01), Browning
patent: 3469069 (1969-09-01), Allen
patent: 3649805 (1972-03-01), Rohrberg
patent: 3798409 (1974-03-01), Troye et al.
patent: 3832513 (1974-08-01), Klasson
patent: 4087670 (1978-05-01), Miller
patent: 4590354 (1986-05-01), Marhic et al.
patent: 4672163 (1987-06-01), Matsui et al.
patent: 4778155 (1988-10-01), Suchevich et al.

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