US1851398A - Priming mixture - Google Patents
Priming mixture Download PDFInfo
- Publication number
- US1851398A US1851398A US462939A US46293930A US1851398A US 1851398 A US1851398 A US 1851398A US 462939 A US462939 A US 462939A US 46293930 A US46293930 A US 46293930A US 1851398 A US1851398 A US 1851398A
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- US
- United States
- Prior art keywords
- priming
- mixture
- priming mixture
- percent
- nitrate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B37/00—Compositions containing a metal fulminate
Definitions
- This invention relates to improvements in priming mixtures for small arms ammunition and more particularly to a non-corrosive priming mixture.
- a priming mixture comprising basic lead nitrate, alone or in combination with barium nitrate as an oxidizing agent.
- the specific examples disclosed in said application relate to rim fire mixtures comprising the above oxidizer or oxidizers, a detonator, a fuel and an abrasive, such as ground glass.
- the present invention relates to a priming mixture particularly adapted for shot shells in which basic lead nitrate is used in combination with barium nitrate as the oxidizing agent, but in substantially smaller proportion than is disclosed in the specific examples of my copending application.
- the percentage of mercury fulminate is increased and a fuel mixture preferably consisting of antimony sulphide, calcium silicide and lead sulphocyanate is employed.
- a suitable priming mixture for shot shell use may be formed by mixing the ingredients in the following proportions:
- the cups may be submitted to the usual pressure and they are then ready for insertion in the cartridge shells. Priming cups are inserted in the shells and the shells may then be loaded with powder and bullets in the usual manner.
- the herein disclosed priming mixture is particularly suitable for use in shot shells although the modification of the proportions for use in center fire primers is within the powers of one skilled in the art.
- a n0n-c0rrosive priming mixture consisting essentially of mercury fulminate, basic lead nitrate, barium nitrate, antimony sulphide, calcium silicide and lead sulphocyanate.
- a priming mixture consisting essentially of substantially 45 percent of mercury fulminate, substantially 8 percent of basic lead nitrate, substantially 30 percent barium nitrate, substantially 5 percent antimony sulphide, substantially 4 percent calcium silicide and substantially 8 percent lead sulphocyanate.
- Per cent F ulminate of mercury substantially 45 Basic lead nitrate, substantially 8 Barium nitrate, substantially 30 Antimony sulphide, substantially--- 5.0 Calcium silicide, substantially 4.0 Lead sulphocyanate, substantially--- 8
- the proportions of these ingredients may, of course, be varied, depending upon the commercial strength of the ingredients and to meet the requirements of various uses of the mixture.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Description
Patented Mar. 29, 1932 E STAT S JOSEPH D. MCNUTT, OF NEW HAVEN, CONNECTICUT, ASSIGNO-R, BY MESNE ASSIGN- MENTS, TO WINCHESTER REPEATING ARMS COMPANY, A CORPORATION OF MARY- LAND PRIMING No Drawing.
This invention relates to improvements in priming mixtures for small arms ammunition and more particularly to a non-corrosive priming mixture.
' In my copending application, Serial No.
307,555 filed September 21, 1928, I have disclosed and claimed a priming mixture comprising basic lead nitrate, alone or in combination with barium nitrate as an oxidizing agent. The specific examples disclosed in said application relate to rim fire mixtures comprising the above oxidizer or oxidizers, a detonator, a fuel and an abrasive, such as ground glass.
The present invention relates to a priming mixture particularly adapted for shot shells in which basic lead nitrate is used in combination with barium nitrate as the oxidizing agent, but in substantially smaller proportion than is disclosed in the specific examples of my copending application. In addition, the percentage of mercury fulminate is increased and a fuel mixture preferably consisting of antimony sulphide, calcium silicide and lead sulphocyanate is employed.
. A suitable priming mixture for shot shell use may be formed by mixing the ingredients in the following proportions:
Application filed June 21,
MIXTURE 1930. Serial No. 462,939.
manner by forming pellets of the proper size in a perforated plate and then'charging the pellets into priming cups contained in the perforations in a second plate adapted to be brought into alignment with the perforations of the first plate. After the individual pellets have been charged into the priming cups, the cups may be submitted to the usual pressure and they are then ready for insertion in the cartridge shells. Priming cups are inserted in the shells and the shells may then be loaded with powder and bullets in the usual manner.
The herein disclosed priming mixture is particularly suitable for use in shot shells although the modification of the proportions for use in center fire primers is within the powers of one skilled in the art.
I claim:
1. A n0n-c0rrosive priming mixture consisting essentially of mercury fulminate, basic lead nitrate, barium nitrate, antimony sulphide, calcium silicide and lead sulphocyanate.
2. A priming mixture consisting essentially of substantially 45 percent of mercury fulminate, substantially 8 percent of basic lead nitrate, substantially 30 percent barium nitrate, substantially 5 percent antimony sulphide, substantially 4 percent calcium silicide and substantially 8 percent lead sulphocyanate.
In testimony whereof I aflix my signature.
JOSEPH D. MoNUTT.
Per cent F ulminate of mercury (with 16% of water) substantially 45 Basic lead nitrate, substantially 8 Barium nitrate, substantially 30 Antimony sulphide, substantially--- 5.0 Calcium silicide, substantially 4.0 Lead sulphocyanate, substantially--- 8 The proportions of these ingredients may, of course, be varied, depending upon the commercial strength of the ingredients and to meet the requirements of various uses of the mixture.
In mixing the ingredients I first weigh out, sieve and mix dry on paper the oxidizers and fuel. A solution of gum is then added and worked in briefly by hand. The wet fulminate is then weighed out and add-ed and the whole mixed in the usual manner by machine or by hand, or by both. The primin mixture may be charged into primer cups in the usual
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US462939A US1851398A (en) | 1930-06-21 | 1930-06-21 | Priming mixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US462939A US1851398A (en) | 1930-06-21 | 1930-06-21 | Priming mixture |
Publications (1)
Publication Number | Publication Date |
---|---|
US1851398A true US1851398A (en) | 1932-03-29 |
Family
ID=23838302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US462939A Expired - Lifetime US1851398A (en) | 1930-06-21 | 1930-06-21 | Priming mixture |
Country Status (1)
Country | Link |
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US (1) | US1851398A (en) |
-
1930
- 1930-06-21 US US462939A patent/US1851398A/en not_active Expired - Lifetime
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