# US 5,341,745 A · Grenade containing an incendiary element

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- Number: US 5,341,745 A
- Document ID: US5341745A
- Status: Granted
- Kind: A
- Application number: 07/922,485
- Filed: 1992-07-31
- Granted: 1994-08-30
- Earliest claimed: 1991-08-01
- Inventors: Kare R. Strandli; Colin Foreman
- Web page: https://patentgrep.com/patent/US5341745A

## CPC

- F42B 12/44: of incendiary type (F42B12/46 takes precedence)
- F42B: EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION (explosive compositions C06B; fuzes F42C; blasting F42D)

## Abstract

Grenade comprising an incendiary element (3) which is situated in a retainer (1) projecting into a bore (5) in a charge (10) in the grenade shell. The incendiary element (3) has been pressed into the retainer (1) and is situated behind a transfer or booster charge (4). The retainer (1) may be mainly circular- cylindrical, in order to permit that both the incendiary element (3) and the transfer or booster charge (4) can be pressed over the entire cross section of the retainer (1).

## Claims

### Claim 1

A grenade comprising:
a shell having a rearward closed end and a forward open end;
a main charge disposed in the shell and a bore centrally disposed within a forward end of the main charge;
a nose portion connected to the forward end of the shell;
a fuse in said nose portion having a threaded rearwardly extending opening;
an incendiary retainer in the form of a tube open at its forward end and closed at its rearward end, and including external threads disposed at its forward open end;
an incendiary element pressed into and extending entirely over the closed end of the retainer tube, said incendiary element extending forwardly only partially along the length of the retainer tube;
a transfer or booster charge filling the remaining interior of the retainer tube to its forward end;
said external threads of said retainer threadedly engaging the threads of said opening of said fuse; and
said retainer disposed in said bore at the forward end of said main charge.

### Claim 2 (depends on 1)

A grenade as claimed in claim 1, wherein said retainer defines a cylinder.