Electric heating – Metal heating – By arc
Patent
1999-05-23
2000-03-21
Walberg, Teresa
Electric heating
Metal heating
By arc
21912167, B23K 900
Patent
active
060405465
ABSTRACT:
An apparatus for attachment to a cutting torch used for the severing of a tendon in a post-tension anchor system. The apparatus includes a first shield having an opening formed therein and adapted to allow the tendon to pass therethrough, a tubular extension extending outwardly of the first shield at the opening, and a bracket member affixed to the first shield and adapted to attach the cutting torch such that the cutting torch resides on a side of the first shield. The tubular extension has an interior adapted to extend around the tendon on the opposite side of the first shield. A second shield is connected to the bracket member. This second shield has an opening adapted to allow the tendon to extend therethrough. The second shield is arranged in spaced parallel relationship to the first shield. The cutting torch has a nozzle which is interposed between the first shield and the second shield.
REFERENCES:
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patent: 4349182 (1982-09-01), Blackburn
patent: 4558584 (1985-12-01), Myers
patent: 4806726 (1989-02-01), Rosa et al.
patent: 4896470 (1990-01-01), Sorkin
patent: 5072558 (1991-12-01), Sorkin et al.
patent: 5093997 (1992-03-01), Gilman
patent: 5436425 (1995-07-01), Sorkin
Van Quang
Walberg Teresa
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