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Class 264/3.2 - Rolling to form sheet or rod


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Subject matter wherein the material is rolled into the form
No. of patents: 30
Last issue date: 06/20/2006


NumberTitleIssue Date
7063810Co-extrusion of energetic materials using multiple twin screw extruders
The invention comprises a continuous, integrated process to produce a multiple layered energetic material where the layers comprise energetic materials having, at least, two different burning rates. The process uses at least two twin-screw extruders to process at le...
06/20/2006
6315930Method for making a propellant having a relatively low burn rate exponent and high gas yield for use in a vehicle inflator
A method for making a propellant composition that results in a desirable gas output when combusted. The propellant can be part of an inflator used in a vehicle for inflating an air bag. The propellant has a relatively low burn rate exponent of no greater ...
11/13/2001
6238501TNAZ compositions and articles, processes of preparation, TNAZ solutions and uses thereof
The invention is a composition containing high loadings of TNAZ that are made by crash precipitation with water as the precipitation agent. The compositions are in the form of powders, which can be formed and shaped by presseing, extrusion, etc. The TNAZ ...
05/29/2001
6171530Process for the manufacture of high performance gun propellants
A process for manufacturing a high performance gun propellant containing an energetic thermoplastic elastomeric binder and a high-energy oxidizer is disclosed. The process includes preparing or obtaining a molding powder of the high-energy oxidizer partic...
01/09/2001
6165307Multi-component 3-dimensional energetics method and construction
A multi-component three dimensional energetic device and the method of maacturing it. The method includes the steps of forming a quantity of an energetic material into a plurality of sheets having relatively no appreciable thickness, and then cutting at ...
12/26/2000
5750057Insensitive binary explosive production process
The present invention provides a multi-component explosive composition coising 2-ethylhexyl nitrate and a granular solid oxidizer. An optional additional component is a second fuel, e.g., aluminum. An optional component in the absence of the second fuel ...
05/12/1998
5596232Continuous process for the solventless manufacture of composite pyrotechnic products
Continuous process for the manufacture of thermoformable composite pyrotechnic products comprising at least one thermoplastic or quasi-thermoplastic binder and an organic or inorganic crystalline oxidizing charge, which are mixed and homogenized on a roll...
01/21/1997
5563367Process for manufacturing a gas generator composition
The gas generator composition contains sodium azide and an oxidizing agent as major components. This gas generator composition additionally contains 2 to 8% by weight of magnesium aluminate. To produce this composition, sodium azide and the oxidizing agen...
10/08/1996
5547527Process for the production of desensitized explosives
In a process for the production of desensitized, high energy explosive, particularly hexogen (RDX), as a component of plastic-bound explosives or propellant powders, the particulate explosive with a grain size up to 20 .mu.m is suspended with a desensitiz...
08/20/1996
5540155Fuse and a method of manufacturing it
An elongate flexible fuse is provided, preferably by an extrusion process, which consists of an oxidizing agent and a fuel present in quantities which will permit a rate of burning of from 10 seconds/meter to 250 seconds/meter. The oxidizing agent is pref...
07/30/1996
5483862Apparatus and method for homogenizing plastic explosives
An apparatus for homogenizing plastic explosive material comprises a frame aving a base and spaced first and second supports extending perpendicularly therefrom in parallel. First and second spaced parallel generally cylindrical rolls are provided. Each ro...
01/16/1996
5087393Smoke producing article
A smoke producing article comprises preformed granules of a smoke generating material admixed with an inert binder. The granules are compressed at such a pressure and for such a period of time that the granules deform to take up a reduced volume overall b...
02/11/1992
5069133Elastomer-containing casings for propellants
The present invention relates to a process for producing an encased propellant which comprises overwrapping at least one charge of propellant with an elastomeric coating composition to produce the desired encased propellant. The process is suitably effect...
12/03/1991
5035843Method for producing explosive substances
The present invention relates to a method for producing, by means of working, mixing and homogenizing, castable explosive substances of high viscosity containing crystalline and/or particulate explosives and, if appropriate, other action-enhancing additiv...
07/30/1991
4997614Method of mixing raw material composition of highly ignitable or explosive material
A raw material composition for igniters, etc. which may ignite or explode can be safely mixed with high homogeneity by dissolving or dispersing a raw material composition of a highly ignitable or explosive material in a solvent or a dispersion medium, app...
03/05/1991
4963296Process for the preparation of propellant charge powder
A process is provided for the preparation of dibasic propellant charge powder by a solvent-free process, in which a continuous flow of raw powder mixture moist with water is kneaded at an elevated temperature in a set of shearing rollers, to which the raw...
10/16/1990
4920079Process for isostatically pressing explosive charges
A water-filled pressure chamber (7) loaded by conventional pumps at pressures of several thousand bars is used to isostatically press explosive charges. Inside this pressure chamber (7) is a compression mold (6) having an inner/outer mold (1) consisting o...
04/24/1990
4792423Method for making solid rocket propellant
A method of making solid rocket propellant that facilitates tailoring of a variable burn rate. The method comprises molding binder and fuel and/or oxidizer to produce, for example, a molded strip of solid rocket propellant material. The molded solid rocke...
12/20/1988
4767577Process and apparatus for producing plastic-bound propellant powders and explosives
A process and apparatus for producing plastic-bound propellant powders and explosives in crystalline form, with the apparatus including an extruder comprising a casing with a feed opening, optionally a solvent supply opening and one or two extruder shafts...
08/30/1988
4694753Continuous production of low density base grain with a salt-free liquor
A process for continuously producing double base propellant powder of a low density (specific gravity 1.15 to 1.275). This process uses a salt-free liquor....
09/22/1987
4693181Linear cutting charge
The application discloses improvements in hollow charges for linear cutting or demolition purposes wherein a bar formed from a composite of explosive material and a first pliant material has a V-shaped groove with a liner formed from a composite of partic...
09/15/1987
4660475Spooled propellant charge and method of manufacture thereof
A propellant charge is manufactured by spooling a strand of propellant onto a form member. In accordance with one embodiment of the invention, the form member is a spool composed of propellant, and the spooled propellant, including the spool, is loaded in...
04/28/1987
4649823Mechanical bond between a solid rocket propellant composition and a substrate and a method of effecting such a bond
A mechanical bond between a solid rocket propellant composition and a substrate such as insulation material is provided by a quantity of molded member portions integral with the substrate and protruding from a substrate surface into the cured propellant c...
03/17/1987
4622000Apparatus for producing propellant charge powder in the form of strands
For the continuous or discontinuous production of propellant charge powder n strand form with axially parallel channels having a clearly defined identical diameter and reproducible geometry of the channel arrangement, a press is provided, which has at leas...
11/11/1986
4615270Printed sheet urethane propellant
A roll calendered sheet propellant features thin sheets of solid propellant which have been consolidated by the calendering operation. After calendering, the sheet propellant is roll-printed or "coined" with a pattern, which forms propellant flakes after ...
10/07/1986
4608210Method for producing plastically bonded propulsion powders and explosives
A method for manufacturing plastically bonded propulsive powders and explves by means of an extruder which comprises a housing with at least one entry opening, under certain conditions a solvent supplementing opening, two co- or counterrotating screw sha...
08/26/1986
4408534Gas generating charge and a process for producing the same
A gas generating propellant charge which is made by piling explosive powder sheets having a plurality of projections on at least one surface thereof so as to make contact them with each other is excellent in firing characteristics, and the explosive powde...
10/11/1983
4381270Method of producing a flash suppressed pressed rocket propellant
A method of producing pressed rocket propellant with good flash suppression and a high burning velocity, i.e. containing optimal quantities of flash reducing agent and catalysts. The meethod is characterized by the entire quantity of flash reducing agent ...
04/26/1983
4297946Extended shaped charge and method of making same
An extended shaped charge comprises a tubular body of a one-piece construction with a convexo-concave profile, having thinner portion of its wall on the side of a charge hollow. The profile of the tubular body is formed by conjugate sections of two closed...
11/03/1981
3943208Method for binding solid propellant to rocket motor case
A method of bonding a solid rocket propellant to a motor casing using a flexible sheet insulant. The flexible sheet insulant is easily installed without intermediate adhesive on the metal or propellant side, retains its self-adhesive properties for long p...
03/09/1976
 
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