Igniter

DETAILED DESCRIPTION What is claimed is: 1.
In a bore safe flare system wherein a flare candle is adapted to be ignited only after it is expulsed from a housing by an explosive charge, and including: a casing; a flare candle in said casing; a piston in said casing rearwardly of said flare candle; ignition means fastened in the after end of said flare candle and extending into a portion of said piston; said piston and said ignition means being interfitted such that separation thereof must take place before ignition may be accomplished; and stop means forming part of the forward end of said casing to stop said piston for separation from said ignition means when said flare system is actuated; the improvement comprising: said ignition means comprising a cup shaped body having a centrally located flanged post with a pyrotechnic ignition mix consolidated on said post to form a solid cylindrical plug; said piston having a forwardly extending tube with a central bore; and said plug closely fitting within the bore of said tube.
2.
The device of claim 1 further including: said cup having a peripheral flange of finite height; said flare candle having a bore and a counterbore; said counterbore having a finite depth equal to about twice the height of said flange; and said cup being bottomed in said counterbore.




Description:
CROSS REFERENCE TO RELATED APPLICATIONS The present invention relates to cartridge flares of a type disclosed in assignee's prior application Ser.
No.
289201 filed Sept.
14, 1972, now U.
S.
Pat.
No.
3,782,285 issued Jan.
1, 1974 to Warren P.
Froehner.
This application is based upon the same subject matter disclosed in said prior application and the same is hereby incorporated by reference.
BACKGROUND OF THE INVENTION The present invention relates to a cartridge type flare and particularly to a cartridge flare for aerial delivery from a multiple cartridge dispenser by electric ignition means.
The flare must be bore safe and reliable at high altitudes and at super sonic speeds