Matches 101 - 150 out of 240 < 1 2 3 4 5 >
Match Document Document Title
4530728 Expanding embedment resin for composite-modified double-base propellants  
An embedment system with controlled shrinkage for use with a composite-modified double-base propellant composition which is comprised of an embedment granule portion in percent by weight of...
4529536 Thixotropic flame inhibitors for rocket propellant grains  
Disclosed is a thixotropic flame inhibitor for a rocket propellant grain luding an organic thixotrope in amounts from about 5 parts to about 30 parts into HTPB liquid polymer in amounts from about...
4489657 Insulating layer for a rocket propellant or rocket motor  
A rocket propellant or rocket motor is provided with an insulating layer ween the fuel proper and the inner wall of the housing forming the combustion chamber. The insulating layer is made of a...
4458595 Ablative liner  
An improved rocket motor has a first layer of silicone rubber and a second ayer of an ablative lining placed between the rocket motor casing and the propellant grain. The ablative lining layer...
4458483 Rocket motor end flap  
An end flap construction for a rocket motor prevents hot vapors from enteg the motor void and causing motor ignition.
4453860 Firedamp-safe method for stud driving cartridges  
A firedamp-safe propellant charge comprising a pyrotechnical gas-yielding propellant, said propellant coated with a polymer and/or amides of C 2 -C 4 dicarboxylic acids and/or ammonium oxalate,...
4442666 Fuel fire resistant motor  
The invention describes a rocket motor having a thermal barrier around a sile casing with gaps along the side to permit initial burning on the outer portion of the grain at rupture of the casing...
4441942 Embedment system for ultrahigh-burning rate propellants of solid propulsion subsystems  
An improved embedment system is disclosed which is comprised of an embedm granule portion in percent by weight of nitrocellulose of about 23.0, nitroglycerine of about 15.0, resorcinol of about...
4429634 Adhesive liner for case bonded solid propellant  
Bonding of hydroxy terminated polybutadiene based propellant grains to rocket motor liners and of the liner to the motor case is greatly improved by incorporating an aziridine in a urethane cured...
4375522 Thixotropic restrictor, curable at room temperature, for use on solid propellant grains  
A solid propellant restrictor for preventing erosive burning in solid prolant grain critical areas is described. The restrictor is a mixture of hydroxyl-terminated polybutadiene with 1% by weight...
4365558 Combustible objects, in particular combustible cartridge cases, which are heat-resistant  
The invention relates to the field of combustible objects used in weaponry and in particular to the field of combustible cartridge cases. The combustible objects according to the invention are...
4363273 Ammunition with protective surface layer and method of making same  
A protective surface coating for ammunition having no cartridge casing and ammunition having a combustible cartridge casing. A body of highly porous nitrocellulose is permeated from the outside...
4362868 Plasticized cellulose polymers  
Plasticized cellulose polymers comprise a base polymer having a chain of β-anhydroglucose units joined by ether linkages and having ether substituents, with at least one of the units being...
4354884 Process for preparing progressive burning propellant granules  
Progressive burning propellant granules are prepared by a process in which the solvent-wet propellant granules are wetted with a mixture of burning rate deterrent and solvent. The burning rate...
4304185 Liner-barrier for ultrahigh burning rate propellants  
A highly effective liner-barrier is disclosed for use with carborane-conting ultrahigh burning rate propellants. The liner-barrier includes a resinous matrix selected from an epoxy, polysulfide,...
4263070 Thermally stable gun and caseless cartridge propellants  
The water and oil resistance of caseless gun propellant compositions of the type which comprise cyclotetramethylenetetramine (HMX) as the high energy component and polyurethane as the binder are...
4241661 Composite propellant with surface having improved strain capacity  
The invention is based on the discovery that when at least a part of the initial burning surface of an epoxy cured carboxy terminated rubber type composite propellant is coated with a propellant...
4209351 Ambient cured smokeless liner/inhibitor for propellants  
A liner composition is employed as a liner/inhibitor for a solid propellant rain while functioning as a liner-binder between the propellant grain and insulation or the motor case. The liner and...
4187215 Polymeric isocyanate-hydroxy terminated polybutadiene compositions  
A composition and method are disclosed in which a homopolymeric isocyanate such as a toluene diisocyanate polymer is formed IN SITU within a polyurethane composition containing a hydroxy-terminated...
4183841 Filled composition containing phenol-aldehyde resin and butadiene-acrylonitrile polymer  
1. An improved char and erosion resistant ablative thermal insulator comption, which can be used for flexible combustion chambers which comprises: (a) 70-140 parts by weight of a...
4120153 Solid propellant gas generating device  
1. In combination with a vessel forming a rocket motor combustion chamber, a rubber-base liner firmly adhering to the interior chamber wall, said rubber-base liner containing between about 2.5 and...
4115999 Use of high energy propellant in gas generators  
Thin pieces of high energy propellant are potted in a potting material such s isocyanates cured hydroxy terminated polybutadiene, hydroxy terminated polybutadiene, polyurethane, polyester or...
4112849 Smokeless slow burning cast propellant  
1. A cast, combustible composition comprising: granular ammonium nitrate; catalytic amounts of a powdered combustion catalyst intimately mixed with the ammonium nitrate, said catalyst being...
4092186 Combustion inhibited rocket propellants  
Solid propellant charge bonded directly to combustion inhibition material comprising elastomeric or polymeric material containing a compatible particulate filler material constituting at least...
4085584 Barrier system for dual-pulse rocket motor  
A barrier system for use in preventing the pre-ignition of second pulse rocket grains in a dual pulse rocket motor. The system includes two double layers of rubber material positioned between the...
4062709 Inhibited fluorocarbon rocket propellant  
A fluorocarbon bound rocket propellant grain provided with a compatible burn inhibitor on selected areas, particularly the outer surface, which is inexpensive and simple to apply.
4052943 Coating composition and method for improving propellant tear strength  
A typical rocket motor includes a motor casing containing a cast propellant onded to the casing and provided with a port through which combustion gases are delivered to the motor nozzle. During...
4042441 Mechanical-chemical linkage between polymer layers  
An elastomeric or rigid polymeric material, such as a propellant, is strongly bonded to an incompatible material, such as a silicon rubber liner, when a long chain polymer which is insoluble in and...
4034676 Inhibitor coating for solid rocket propellent charge  
An inhibitor coating for a solid propellant charge for protecting against undesired burning-off, comprising: A. an insulating layer containing a binder and a filler, and B. a protective- and...
4009231 Powder barrier bonding technique  
A barrier layer made up of a suitable powder interspersed within either a trix of cured propellant binder or a matrix of silicone rubber is interposed between a silicone rubber insulator and a...
4004523 Solid propellant charges  
A solid propellant charge having combustion inhibited surfaces provided by bonding elastomeric combustion-inhibiting material to the surfaces by a layer of a polyvinyl acetal resin bonded directly...
4001126 Heat protective material and method of making the material  
This invention relates to materials having properties of withstanding temperatures in the thousands of degrees for extended periods of time without gross decomposition. The invention also relates...
3999382 Rocket motors  
1. A case-bonded solid propellant rocket motor having a motor case, the motor case having an inner surface, a double-base propellant located in the motor case, the double-base propellant having an...
3991565 Solid propellant with inhibitor layer in rocket motor  
A method of inhibiting combustion of some of the surfaces of a solid propellant charge for or in a rocket motor comprising bonding to said surfaces an elastomeric compound resistant to permeation...
3985592 Surface-inhibited propellent charge  
1. A surface-inhibited propellent charge comprising a charge of propellent composition having bonded to at least part of its surface an inhibiting layer comprising silicone rubber supported on...
3973397 Rocket motor with ablative insulating casing liner  
A solid propellant rocket motor is provided with a liner between the motor case and the propellant, the liner comprising a terpolymer of ethylene, propylene and a nonconjugated diene and inert...
3967444 Technique for preventing afterburning of the inert components of solid-propelled rocket motors by using formamidinesulfinic acid in the binder of the inert components  
Formamidinesulfinic acid (thiourea dioxide) is employed as an additive to ert motor components of solid-propelled rocket motors to eliminate afterburning which is defined as the combustion of gases...
3965676 Solid rocket motor  
1. In combination with a vessel forming a rocket motor combustion chamber, a rubber-base liner having one surface firmly adhering to the chamber, the opposite surface of said rubber-base liner...
3958417 Suppression of unstable burning in rocket motors  
A method of suppressing unstable burning in a solid propellant rocket motor comprising combusting a silicone elastomer with burning of the solid propellant to produce a continuous stream of small...
3954063 Novel inhibitor system for double-base propellant  
An inhibitor for double-base propellant consisting essentially of a layer Saran or polystyrene bonded to the propellant grain by means of a block copolymer containing vinyl chloride-vinylidene...
3954701 Polymer composition containing inorganic filler  
1. A composition for lining the combustion chamber of a rocket motor employing a solid propellant comprised of an epoxy resin, a copolymer of butadiene and acrylic acid, a curing agent, and between...
3948697 Gum propellant grains with inhibitor coating  
Propellant inhibitors are provided for cellulose-containing particulate solid propellants, and particularly for nitrocellulose-containing gun propellants, in which the inhibitor is the reaction...
3947523 Composition comprising epoxy resin, copolymer of butadiene and acrylic acid, curing agent and inorganic metal salt  
1. A composition of matter comprised of an epoxy resin, a copolymer of butadiene and acrylic acid, a curing agent, and between about 2.5 and about 30 percent by weight of an inorganic metal salt...
3916618 Holding device for holding a propellant grain in a combustion chamber  
A holding device for holding a propellant grain in a combustion chamber, comprising a holder fixed to the top of the combustion chamber by a screw and nut, a supporter-buffer in which the holder is...
3908364 Putty propellant stress refief system  
Rocket motors utilizing putty propellants are provided with means for permitting stress relief of the propellant grain while preventing slump of the initial burning surface. This invention is...
3889463 Stress relieving liner  
A stress relieving rocket motor liner is disclosed. The liner comprises an nsulator layer joined to an inhibitor layer by means of columns extending through perforations in a release layer and a...
3849983 PROPELLANT LINER FOR ACTIVE COOLING  
This invention is directed to a device for actively cooling the propellant grain of a missile during captive or free flight when aerodynamic heating conditions are present. The device consists of a...
3815506 RUBBER CELLULOSIC TAPE SANDWICH INHIBITOR  
A method and article for inhibiting nitrate ester migration and plasticizer igration in solid propellants by encasing the solid propellant fuel grain in a laminated wrap material having a layer of...
3765177 ROCKET MOTOR WITH BLAST TUBE AND CASE BONDED PROPELLANT  
2. A multiple end-burning rocket comprising a motor casing closed at its forward end and having rearward nozzle means, at least one propellant charge therein case-bonded to said motor casing and...
3731634 WATERPROOFING MORTAR AMMUNITION  
Mortar ammunition comprising a bundle of superimposed sheets of gun-cotton is waterproofed by coating the edges of the bundle with a coating composition of nitrocellulose containing between 10.9...
Matches 101 - 150 out of 240 < 1 2 3 4 5 >