The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 1981
Filed:
May. 28, 1974
Applicant:
Inventors:
Larry D Henderson, Bryans Rd., MD (US);
Craig E Johnson, Indian Head, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C06B / ;
U.S. Cl.
CPC ...
264 / ; 149 194 ; 149 98 ;
Abstract
A method for manufacturing crosslinked double base propellants which incls compounding the propellant with no more than 0.1 weight percent of a crosslinking catalyst, partially curing the propellant by a mild heat prior to extrusion until the energetic binder is plasticized but not crosslinked, and extruding the propellant in a ram extruder at a temperature from 120.degree. F. to 150.degree. F. before the crosslinking mechanism has become too advanced for extrusion.