Plasma torch and center pipe for plasma torch

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12144098
APP PUB NO 20220124902A1
SERIAL NO

17396002

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A plasma torch includes an electrode, a center pipe, and a coolant passage. The electrode includes an internal passage, a tip portion, a convex portion, and an electrode insert. The center pipe is at least partially arranged in the internal passage of the electrode. The center pipe includes first and second pipe ends. The coolant passage first, second, third, and fourth passages. A coolant flows from the first passage through the second passage and the third passage to the fourth passage. At least a part of the convex portion is arranged in the center pipe. The inner surface of the center pipe includes a first inclined surface having a diameter that decreases toward a distal direction. The distal direction is a direction extending from the second pipe end to the first pipe end. The first inclined surface extends toward the root portion of the convex portion.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
KOMATSU INDUSTRIES CORPORATION1-1 SHIN-MACHI ONO-MACHI KANAZAWA-SHI ISHIKAWA 920-0225

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takata, Nobuhiro Ishikawa, JP 10 1
Yamaguchi, Yoshihiro Ishikawa, JP 312 4076

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