Abstract: A solid propellant rocket motor of gas generator of the type having retractable filaments embedded in the propellant for the purpose of controlling the overall thrust or mass flow output is combined with a channeled separator located between the propellant and its casing with the channels open to the combustion chamber. This results in distribution of combustion chamber pressure and temperatures over the exterior of the propellant grain so that distortion of the grain will not occur sufficiently to cause binding or sticking of the filament in their holes in the propellant nor will the holes be enlarged to cause uncontrolled burning between the filament and the hole.

Abstract: A rocket motor equipped with a movable nozzle is provided with pneumatic pressure system for the operation of the mechanism for moving the nozzle with a gas for the pneumatic supplied from a gas generating propellant separate from the main propellant but located within the motor itself.

Abstract: A rocket motor expansion cone extension skirt of the combustion gas deployable type is purposely delayed in its deployment by an erodable barrier in the motor's expansion cone upstream of the extension and which diverts combustion gas away from the skirt to prevent its deployment. The barrier is eroded away by the gases after a brief predetermined period of time long enough to permit the rocket motor to clear other structures in a situation such as may occur during vehicle stage separation, after which time deployment of the skirt occurs.

Abstract: A spring-loaded double-ended check valve assembly is provided for use in the outlet chamber of a dispenser for spraying liquids. The entire assembly, including both ends and the spring, is made in one-piece and is easily moldable from plastic material thus effecting ease of manufacture and assembly into the sprayer, reduced labor and material costs and affording the reliability of a unitary member.

Abstract: A bomb calorimeter is presented in which a cartridge type specimen holder is provided in a fitted bomb casing so that a separate pressure seal is no longer required and the ease of making repeated tests is enhanced. The overall efficiency is also improved because of the central location of the specimen holder.

Abstract: A threaded closure for a standard threaded container is provided wherein the closure's removal torque retention qualities are improved by the provision of a portion or portions of its thread which have an increased thread depth and which bear upon the neck of the container and thus provide extra friction to retain the closure.

Abstract: A spray dispenser is presented which atomizes cosmetics, perfumes, and similar products to a state of fine spray throughout its entire spraying period. The pressure of the fluid product being sprayed is maintained by a spring loaded piston and a related valve which opens a passage to the spray outlet only after a predetermined spray pressure is reached and closes it when the pressure approaches a pressure insufficient to produce the fine spray.

Abstract: A child-resistant threaded closure for containers is presented which includes a lower ring-like portion attached to the closure by retractable and extendible legs and having a matching thread. With the closure screwed in place on a container, the ring is pushed down by means of tabs to a position below the last thread on the container with the legs extended whereupon, when an attempt is made to unscrew the closure, the thread segment of the ring interferes with the last thread of the container and prevents its removal. For the closure to be removed, the ring is lifted up by finger pressure applied to the tabs until the legs are fully retracted and the threads match up with the others after which action the closure can be unscrewed.

Abstract: A dispenser body and a closure cap assembly for a container is presented which provides not only a closure for the container, except for communication with the dispenser, but also provides an air inlet operable upon the withdrawal or expulsion of the contents of the container so that air will be replenished therein to restore normal air pressure. The air inlet closes automatically when this has been accomplished to prevent leakage of the contents of the container.

Abstract: Ammonium perchlorate particles having strongly adherent wettable coatings are made by treating the particles with stong amines that displace ammonia to form amine perchlorates at the particle surfaces. Silanylamines are preferred since after amination of the perchlorate the silane groups can be hydrolyzed to siloxanes having good wettability by liquid polymeric propellant binders. The coated perchlorate can be used to produce solid propellants having improved mechanical properties and burning characteristics.

Abstract: A technique for improving the processibility of composite propellants through reduction of the catalytic effect of iron oxide upon the polymer/curing agent reaction.

Abstract: A solid propellant grain is held within a rocket motor case in a substantially stress-free manner. The grain is not bonded to the case itself but is bonded to a sleeve which has lateral protrusions or convolutions on its exterior which fit loosely and unattached into similar convolutions in a sleeve bonded to the interior of the case. The sleeve bonded to the propellant is made of a polymer having substantiallythe same elastomeric qualities as the propellant itself so that stresses are not created in the propellant at the bond. Physical shock or distortion of the propellant and thermal expansion or contraction of it create changes in dimension which are absorbed principally by the clearance gap between the convoluted surfaces of the sleeves and therefore substantially no cracking stresses are produced in the propellant itself.

Abstract: A composite solid propellant wherein the burning rate thereof is materially increased by the addition thereto of a ferrocene combustion catalyst.

Abstract: A fuel for rocket motors is provided in the form of a slurry of particulate metal or metalloid particles having a particle size of about 0.1 to 10 microns suspended in an alcohol having from 1 to 3 carbon atoms in the presence of a non-thixotropic amount of high viscosity grade hydroxypropyl cellulose.

Abstract: 1. A solid composite propellant consisting of 7% to 15% of a carboxyl-terminated butadiene polymer binder, 66% to 82% of ammonium perchlorate, greater than 0% to 18% of aluminum and greater than 0% to 8% of n-butyl ferrocene as a burning rate catalyst, the ingredient amounts being in weight per cent, and wherein the particle size of the ammonium perchlorate is greater than 0 but less than 3 microns in size.

Abstract: A heavily insulated, hydraulically actuated, compound poppet valve is positioned in a main gas stream between a gas generator and a rocket motor so that the gases must flow around it and be diffused thereby. It is also capable of selectively valving a variety of ports from the gas generator into the rocket motor to achieve desired ignition effects; and it can turn off flow completely between the two motors and prevent excessive heat from the rocket motor from entering the gas generator.

Abstract: 1. A solid composite type propellant composition comprising as a base propellant an oxidizer, a metallic fuel and fuel binder and between 0.1 and 10% by weight of a ferrocene plasticizer that is selected from the group consisting of mono- and di-substituted ferrocenes wherein the substituents are selected from the group consisting of --R, --COR, --CO.sub.2 R, --CH(OH)R, and --CH(R'CO.sub.2)R wherein R and R' are selected from the group consisting of alkyl, cycloalkyl, alkenyl and cycloalkenyl radicals, the carbon chains of which may be interrupted by oxygen.

Abstract: A gas generator or rocket motor is provided in which discrete and accurate time vs. flow output relationships or profiles are established by the rotation of a rotor located between the exit and its combustion chamber to various positions to select one of a plurality of primary nozzles or orifices of accurately calibrated predetermined flow characteristics through which pressurized gases from the combustion chamber are directed by passages in the rotor. The gases then flow out of the device through an exit comprising nozzles in the case of a rocket motor.

Abstract: A gas generating inflation device utilizing combustible propellant cartridges is provided for a pneumatic orthosis used by persons needing support of the legs or lower body and legs. Since most such persons use two canes for additional support while standing or walking, the inflation device is conveniently located in one of the canes, with the other cane used as a supply container for additional cartridges. The gas generator is loaded with a propellant cartridge and gas generation is initiated at the will of the orthosis wearer, the generated gas then flowing through filters in the cane in which the generator is located and thence into the pneumatic orthosis to inflate it.

Abstract: A device is disclosed for cushioning the damaging effect of the energy released in ZOT explosions within the oxidizer injector of a rocket motor. A sliding piston is cushioned by a viscoelastic material included directly within the oxidizer injector.