Fabrication of expandable polystyrene plastic ignition container

Details Fabrication of expandable polystyrene plastic ignition container Fabrication of expandable polystyrene plastic ignition container

1985-08-28

1986-03-18

Nelson, Peter A.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022027, 1022756, 10220214, 10227512, 102331, 10227511, F42B 310

Patent

active

045760942

ABSTRACT:
A method of fabrication of expandable polystyrene plastic ignition contai is disclosed which yields an electric squib case and an ignitor charge case which can be easily loaded with a pyrotechnic charge and an ignitor charge respectively, and when in combination, serves as the ignitor system for a high length to diameter flight motor.
The method of fabrication employs expandable polystyrene beads in a first predetermined amount of polystyrene beads which are first pre-expanded to about three times their original size. A second predetermined amount of expandable polystyrene beads are combined with the pre-expanded beads; the combined beads are added to a mold of the desired shape; and the mold is placed in a steam chamber to expand the combined beads to form either the squib case or ignitor charge case. The squib case and the ignitor charge case when mated as an ignitor system for a rocket motor each has the weight, density, and strength to remain in tact during an ignition phase but subsequently breaks up into small pieces which does not inflict damage to propellant in the rocket motor or cause plugging of nozzle when in operation.

REFERENCES:
patent: 4023996 (1977-05-01), Leneve
patent: 4039640 (1977-08-01), Leneve
patent: 4383468 (1983-05-01), Sie et al.
patent: 4416710 (1983-11-01), Anderson
patent: 4420931 (1983-12-01), Anderson
patent: 4466330 (1984-08-01), Juretzek et al.
patent: 4537133 (1985-08-01), Mainiero

Affiliated with

Also associated with

Rating

Fabrication of expandable polystyrene plastic ignition container does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fabrication of expandable polystyrene plastic ignition container, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fabrication of expandable polystyrene plastic ignition container will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2300347