Method and apparatus for removing solid propellant from rocket m

Details Method and apparatus for removing solid propellant from rocket m Method and apparatus for removing solid propellant from rocket m

1985-12-13

1988-12-27

Tarcza, Thomas H.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134168R, B08B 302, B08B 908

Patent

active

047938668

ABSTRACT:
A process and apparatus for removing solid propellant from a rocket motor case. Water is heated to a temperature of at least about 150.degree. Fahrenheit, pressurized to a pressure within the range of about 600 to 1200 psi, focused into a jet, and directed while moving relative to the propellant surface at an angle relative to the propellant surface which is in the range of about 15 to 45 degrees from a stand-off distance of up to about 20 inches.

REFERENCES:
patent: 3113046 (1963-12-01), Reddick et al.
patent: 3312231 (1967-04-01), Monroe et al.
patent: 3440096 (1969-04-01), Scott
patent: 3990369 (1976-11-01), Sayles
patent: 4054029 (1977-10-01), Sayles
patent: 4508577 (1985-04-01), Conn et al.
"Large Segmented, Fiberglass Reinforced Plastic Rocket Motor Cases . . . ,", Walker et al., Tech. Report; (Abs. only).
"Development of Fiberglass Segmented Rocket Motor Case", Jacobson, H. R., Douglas Aircraft Report (Abs. only).

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