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Gas generating charge for open chamber gas powered tool
   
Document Number
US Patent 4091730
Issued Date
May 30, 1978
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Abstract
An ignitable charge for producing pressurized gas to power industrial tools, that is made of plentiful, common materials at a very low cost, lower in cost than conventional charges by orders of magnitude. The charge is comprised of a hollow plastic jacket of triangular cross section that is open through its center to both opposite ends and contains a nitrocellulose propellant in uncompressed, or expanded form that may be ignited through one end of the jacket by a spark, hot wire, or the like in an open chamber type feed and firing mechanism. The charge produces pressurized gas at the desired burning rate and peak pressures for operating the tool.
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Gas generating charge for open chamber gas powered tool - US Patent 4091730 Drawing
Drawing from US Patent 4091730
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Number of Claims:
10
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Published
May 30, 1978
Application Number
05/738,953
Filed
November 4, 1976
US Classification
102/531   102/436
Int'l Classification
B25C   1/18   (20060101)   B25C   1/14   (20060101)   B25C   1/16   (20060101)   B25C   1/00   (20060101)   C06C   9/00   (20060101)   F42B   5/16   (20060101)   F42B   8/04   (20060101)   F42B   5/00   (20060101)   F42B   8/00   (20060101)  
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Parent Case
CROSS REFERENCE TO RELATED PATENT APPLICATIONS This application is a continuation-in-part of pending application Ser. No. 570,909, filed Apr. 23, 1975; which, in turn, is a continuation of Ser. No. 359,754, filed May 14, 1973, and now abandoned.
USPTO Field of Search
102/38   102/39   102/40   102/DIG.5   102/DIG.1   102/99   102/100   102/101   102/102   102/103   264/3R   149/96   149/2   227/11  
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