Manufacture of cellulosic propellant

• US 3,213,793 A
• Filed: 07/24/1961
• Issued: 10/26/1965
• Est. Priority Date: 07/24/1961
• Status: Expired due to Term

• Current Assignee: Richard A. Dratz
• Original Assignee: Richard A. Dratz
• Inventors: Dratz, Richard A.
• Application Number:
  US04/126,087
• Time in Patent Office: 1,555 Days
• US Class Current: 102/284
• CPC Class Codes: C06B 21/0083 Treatment of solid structures, e.g. for coating or impregnating with a modifier compositions therefor C06B23/00
• CPC Class Codes: C06B 29/22 the salt being ammonium perchlorate
• CPC Class Codes: C06B 45/00 Compositions or products which are defined by structure or arrangement of component of product explosive charges of particular form or shape F42B1/00, F42B3/00

Claims

6. A SOLID PROPELLANT COMPRISING A COMBUSTIBLE CARRIER MATRIX IN THE FORM OF AN ABSORBENT CELLULOSIC PAPER WEB HAVING A BASIS WEIGHT IN THE RANGE OF 16 TO 36 POUNDS PER REAM (17" X 22" X 500 SHEETS), AN IMPREGNANT OF AMA ROTATABLE SHAFT EXTENDING THROUGH SAID SEAL CHAMBER AND HAVING AN END EXTENDING WITH CLEARANCE THROUGH SAID AXIAL PASSAGE INTO SAID IMPELLER CHAMBER;

A PRIMARY IMPELLER CARRIED BY SAID SHAFT WITHIN SAID IMPELLER CHAMBER FOR ROTATION THEREIN;

A PLURALITY OF AXIALLY SPACED GROUPS OF ANNULAR SEALS SURROUNDING SAID SHAFT IN SPACED RELATIONSHIP THERETO WITHIN SAID SEAL CHAMBER FOR PERMITTING A RESTRICTED FLOW OF FLUID ALONG SAID SHAFT INTERMEDIATE SAID ANNULAR SEALS AND SAID SHAFT;

MEANS FOR INTRODUCING COOLING FLUID INTO SAID SEAL CHAMBER INTERMEDIATE SAID GROUPS OF ANNULAR SEALS SUCH THAT PORTIONS OF SAID COOLING FLUID FLOW CONTIN