SU72922A1 - Flameproof cartridge - Google Patents

Description

B. Ye. Horn and D. I. Volpin

EXPLOSIVE CARTRIDGE

It was announced on December 30, 1946, under No. 350544 of the Ministry of Coal Industry of the USSR

There are known explosion-proof “Kardams” type patrons that require delivery of an explosion in loaded equipment (charged) to Mbst, and cannot be used after firing a shot.

The proposed explosion-proof cartridge consists of a previously removed special sleeve, which is inserted into the barrel of the patron at the blasting site. After the shot, the pilza is removed, retracted from the barrel and reloaded. In this case, the charging of the loaded cartridge case can be carried out directly in the face.

The drawing shows the device proposed by the cartridge and the sleeve .in the section.

The barrel 1 of the cartridge is a tubular structure having a discharge head 2 at one end, screwed permanently at one end into the barrel, and a charging head 3 at its other end. The internal cavity of the trunk is bored with a slight taper to the charging head. The discharge head has a conical channel intersected at the bottom by four channels located radially and having inclined axes to the main axis on.

The bottom zar is screwed on the thread into the barrel, tightly closing it from the other end. The head consists of a housing in which piston 4 is fastened, and has a series of y grooves 5 along the cylindrical surface. On its axis, the piston has a through hole with pressed insulating mass 6, through which, in turn, passes contact electrode 7 with contact terminal. At the inner end of the core there are two depressions with extractors 8 for extracting the liner. The sleeve 9 is made of a meneomanian tube that has an external taper, on which are filled and rolled upside down} 0 and the plug is //. The electric fuse is screwed into the bottom of the carving. 12. The sleeve is installed at the factory by firing; g f J g -

No. 72922-2 -

next to 13, sludge damper and ignition 12 and filled with liquid or solid carbon dioxide, then zapyuryuvavsya garobkoy / and hides around the periphery of the throat, etc., sleeves low melting gtripoam.

- After the shot is fired, the liner is removed from the barrel and reloaded.

Subject and s o rt e.

An intrinsically safe latrav, which operates according to the principle of "Cardox, characterized by the use of guns with a payable charge for a shot put into the barrel (patron at the place of production of explosives and retrieved from the barrel after a shot to be shot again."