Consumable cartridge for a plasma arc cutting system

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United States of America Patent

PATENT NO 9981335
SERIAL NO

14708957

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Abstract

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A replaceable cartridge for a plasma arc torch includes a cartridge body having a first section and a second section. The first and second sections are joined at an interface to form a substantially hollow chamber. The interface provides a coupling force that secures the first and second sections together. The cartridge also includes an arc constricting member located in the second section; an electrode included within the substantially hollow chamber; and a contact start spring element affixed to the electrode. The spring element imparts a separating force that biases the electrode toward at least one of the first section or the second section of the body. The separating force has a magnitude that is less than a magnitude of the coupling force.

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Patent Owner(s)

Patent OwnerAddress
BANK OF AMERICA N A335 MADISON AVENUE NEW YORK NY 10017

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sanders, Nicholas A Enfield, US 65 1807
Shipulski, E Michael Etna, US 45 708
Twarog, Peter J Meriden, US 21 467
Zhang, Yu Hanover, US 1971 9206

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