METHOD AND APPARATUS FOR PROVIDING AN INSENSITIVE MUNITION
Assignee
THIOKOL CORPORATION, A CORP. OF DE
Filed
Jan 17, 1991
Granted
May 17, 1994
Location
LEWISVILLE PA US
Abstract
A heat sensitive case/nozzle interface is provided for an insensitive propellant-loaded munition such that the interface loses its structural integrity when high external heat is applied. The joint between a rocket case housing a rocket motor and nozzle forming the interface is received by an internal spring retainer positioned in a first groove in the case or nozzle in cooperation with a fusible material housed in an aligned second groove in the nozzle or case, respectively. A plurality of aligned openings extend into said first and second grooves. When the rocket is exposed to a high ambient temperature greater than melt temperature of the fusible material but lower than the auto-ignition temperature of the rocket, the fusible material melts and is forced through said holes by the spring retainer permitting the nozzle to separate from the case rendering the rocket motor safe if it auto-ignites.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 10, 1991
Rescinded
Oct 4, 1993
Duration
2 years, 2 months
Inventor
- 1WARREN ELLINGSEN
Record Details
- Patent number
- US 5311820
- Application
- 07642523
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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