Blasting Devices

Including infrared temperature sensor, (1 for tread production, 2 for SW production) type TXS LTP SF, including holding device, cover window, air blast device, and programming device with software data temp TX for windows. 

Naoum, GerP 698403(1940) CA 35, 6796 (1941) (Detonator contg Hexamethylenetri-peroxidediamine) Ad 45) L.A. Burrows Sc C.A. Woodbury, USP 2205081(1940) (Description of a collapsible tube method for depositing ignition and explosive chges in electric blasting devices) Ad 46) L.B. Woodworth, USP 2226988(1940) CA 35, 2722(1941) (An electric detonator of special construction) Ad 47) L.K. Ingram,... 

P.A. Richardson C.M. Mason, "Active List of Permissible Explosives and Blasting Devices Approved Before July 1, 1970, Bur-Mines Information Circular 8493, Oct 1970. Reviewed by G. Cohn, Edit in Expls Pyrots 4(1), 1971. (The list of permissible explosives includes 76 brands of which 11 are gelatinous. The list of permissible blasting devices comprises five Cordox models)... 

Active Lilt of Permissible Explosives and Blasting Devices. This list approved by the US Bureau of Mines prior to Dec 31, 1945, may be found in the Bur of Mines Rept of Invest 3910, compiled by J.E.Tiffany Z.CGaugler. There is also a supplement to this report. Earlier Repts of Investigations on the same subject are Nos 3134, 3665 3736- No other info on this subject was found in CA through 1956... 

Airdox is a blasting device activated by compressed air and manufd by the Cardox Co, Chicago, Illinois. It is particularly suitable for breaking down coal in fiery mines. Descriptions of various types of Airdox are given in the book of J.Taylor P.F.Gay, "British Coal Mining Explosives, G.Newnes, London (1958), 137-42 Air Drying Treatment of Prop el I ants. See under Propellants, Manufacture... 

Blasting devices see Active list of permissible expls and blasting devices 1 A101... 

Blasting Devices See Active List of Permissible Explosives and Blasting Devices Vol l,p A101-L... 

Commercial Blasting Devices. This term includes various devices which are used to break coal in gaseous and/or dusty coal mines without resorting to the use of expls. 

The active list of US permissible "blasting devices , which was published in 1958 as InfoCirc 7832, (Ref 4), included nine Cardox models (manufd by Cardox Corp of Chicago, 111) and two Hydrox models, (manuf by Hercules Powder Co of Wilmington, Del). The active list... 

General requirements and tests for blasting devices used in USA are given in Ref 2 In conclusion it may be mentioned that several devices utilizing water under high pressure have been developed. They are known as Hydraulic Coal Bursters. For their description, see Ref 5,pp 134-37 Refs DBlasters Hdbk(1952),79-82 2)Bureau of Mines Schedule 26A, "Blasting Devices , Federal Register, March 22,1955,... 

The expls placed on the US active permissible list are tested as prescribed by Schedule 1-H and blasting devices as prescribed by Schedule 26A (See Refs 43 35 under COAL MINING EXPLOSIVES, TESTING FOR PERMISSIBILITY)... 

The following US firms manufacture permissible expls and blasting devices ... 

HD2, HF HL) also produces gelatinous expls Hercogel 2 Hercogel A. The firm also is manufg blasting devices Cobra Hydrox Independent Explosives Co, Scranton, Pennsylvania produces nine brands of nongelatinous expl Independent (brands A, B, C, C-l, D, E, F, G H), and one gelatinous expl Independent Gel-A... 

Compressed Air Blasting Devices, The possible use of blasting devices, activated by compressed air, to improve safety in blasting coal was considered long before many other devices (Ref). 

N.E.Hanna G.H.Damon,"Active List of Permissible Explosives and Blasting Devices Approved Before December 31, 1957 , USBurMinesInfoCirc 7832 (1958) 5)Taylor Gay(1958), 123-44 6)B1 asters Hdbk( 1958)- no description of blasting devices 7)N.E. Hanna, "Active List of Permissible Explosives and Blasting Devices Approved Before February 26, 1961, USBur Mines InfoCirc 8087(196 2)... 

HD2, HF HL) also produces gelatinous expls Hercogel 2 Hercogel A. The firm also is manufg blasting devices Cobra Hydrox... 

Tiffany, J. E., and Gatjgler, Z. C., Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1941, Report of Investigation 3583, U. S. Government Printing Office, Washington, D. C 1941. 

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