Invention Grant
- Patent Title: Thermic lance
- Patent Title (中): 耐火枪
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Application No.: US11732973Application Date: 2007-04-05
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Publication No.: US07691321B2Publication Date: 2010-04-06
- Inventor: Neil Downie
- Applicant: Neil Downie
- Applicant Address: US PA Allentown
- Assignee: Air Products and Chemicals, Inc.
- Current Assignee: Air Products and Chemicals, Inc.
- Current Assignee Address: US PA Allentown
- Agent Willard Jones; Eric J. Schaal
- Main IPC: B23K7/00
- IPC: B23K7/00

Abstract:
The present invention relates to use of a thermic lance as a firework. Frictional or electrical ignition of a thermic lance is more convenient and safer than conventional methods. In addition, when used as a firework, the lance is safer and provides less pollution than conventional fireworks.
Public/Granted literature
- US20070290417A1 Thermic lance Public/Granted day:2007-12-20
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