Invention Grant
- Patent Title: Methods for wire surface oxidation removal and/or wire preheating using polyphase electric arc preheating
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Application No.: US16936070Application Date: 2020-07-22
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Publication No.: US11745283B2Publication Date: 2023-09-05
- Inventor: Michael V. Hoeger
- Applicant: ILLINOIS TOOL WORKS INC.
- Applicant Address: US IL Glenview
- Assignee: Illinois Tool Works Inc.
- Current Assignee: Illinois Tool Works Inc.
- Current Assignee Address: US IL Glenview
- Agency: McAndrews, Held & Malloy, Ltd.
- Main IPC: B23K9/10
- IPC: B23K9/10 ; B23K9/173 ; B23K9/167
Abstract:
An apparatus and system for preheating and removing surface oxidation of welding wire using electric arcs one via three or more tungsten electrodes connected to a polyphaser preheating power source is disclosed. Electric arc preheating of welding wire allows increased efficiency and deposition rates.
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