Semi-continuous two-pack process for casting solid propergol...

Details Semi-continuous two-pack process for casting solid propergol... Semi-continuous two-pack process for casting solid propergol...

2005-08-30

2005-08-30

Felton, Aileen (Department: 3641)

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

C149S109600

Reexamination Certificate

active

06936120

ABSTRACT:
A process for casting propellant paste into a mould to manufacture a block of solid propellant includes first mixing two groups of components briefly at low pressure, mixing the two groups of components at high pressure, and casting the mixture in a mould. The first group of components represents about 80% to about 99% of the finished product and essentially comprises a liquid prepolymer, at least one pulverulent solid charge and some of the various additives of the propellant paste. The second group of components represents about 20% to about 1% of the finished product and comprises the crosslinking agent and the rest of the additives.

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patent: WO 01/72861 (2001-10-01), None

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