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Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 4248037 | Yarn positioning means for open-end spinning machine piecing apparatus During servicing of a spinning machine station by the piecing apparatus, the yarn positioning means establishes a generally U-shaped yarn line and brings the lowermost bight section of such line into desired association with the yarn delivery rolls at the... | 02/03/1981 |
| 4248038 | False twisting method and apparatus for producing crimped filament yarns False twisting method and apparatus of nipping type for producing crimped filament yarns, comprising two flat endless belts supported, under tension, on two pairs of pulleys, respectively, so as to run in different directions relative to each other and ha... | 02/03/1981 |
| 4248039 | Regenerative parallel compound dual fluid heat engine A regenerative, parallel-compound, dual-fluid heat engine is set forth wherein important engine parameters are specified and linked to each other in a manner which maximizes engine efficiency and throughput for an engine of this type.... | 02/03/1981 |
| 4248040 | Integrated control system for a gas turbine engine An improved integrated control system for a gas turbine engine includes fuel control means for metering the flow of fuel to the engine in accordance with a fuel control position signal. A primary control means generates a primary fuel control position sig... | 02/03/1981 |
| 4248041 | Gas turbine engine power plant A V.S.T.O.L. gas turbine power plant includes a main gas turbine engine having an exhaust gas propulsion nozzle and a fan arranged within a fan duct, which duct terminates in two nozzles such that a portion of the fan air may be directed vertically downwa... | 02/03/1981 |
| 4248042 | Engine thrust control system A control system and method for utilizing the rotational speed of the high-speed spool in a multi-spool turbofan engine to stabilize changes in engine operation which affect the thrust output of the engine. Signals representing the actual rotational speed... | 02/03/1981 |
| 4248043 | Apparatus for storing energy and generating electricity Disclosed is apparatus for storing energy and generating electricity. The apparatus comprises (1) first means (10) for storing energy in the form of compressed gas and (2) second means (12) for generating electricity by allowing the gas compressed by the ... | 02/03/1981 |
| 4248044 | Apparatus for wave power generation utilizing large mass dynamic energy absorption This invention relates to a tuneable spring/mass dynamic energy absorber with air pumps connected so that the floats become essentially stationary while energy is absorbed at a high rate. The system has a large mass ratio (water mass/float mass) and low f... | 02/03/1981 |
| 4248045 | Means for selectively transmitting drive Drive is transmitted from a cam to a push rod via a body of liquid trapped between two pistons. A control element is normally urged against a seat by pressure in the body of liquid but can be lifted off its seat by the application of pressure to liquid in... | 02/03/1981 |
| 4248046 | Vent accumulator for hydraulic integrator A vent accumulator for a hydraulic integrator of the type having at least three pistons arranged in end-to-end relationship within an elongated housing. Each piston is adapted to move under hydraulic pressure in a direction away from one longitudinal end ... | 02/03/1981 |
| 4248047 | Exhaust bypass valve assembly for an exhaust gas turbo-supercharger An exhaust bypass valve assembly for an internal combustion engine including a throttle valve downstream of a compressor of an exhaust gas turbo-supercharger for controlling intake mixture flows, a bypass causing part of exhaust gases to flow therethrough... | 02/03/1981 |
| 4248048 | Engine operated by a non-polluting recyclable fuel A system of operating an engine on a recyclable, relatively non-polluting fuel. The fuel may include any one or more of the following: magnesium (Mg), aluminum (Al), magnesium plus aluminum, magnesium-aluminum alloy, magnesium hydride (MgH2) al... | 02/03/1981 |
| 4248049 | Temperature conditioning system suitable for use with a solar energy collection and storage apparatus or a low temperature energy source A temperature conditioning system employing an ejector-type compressor and a refrigerant selected for operation at the limited operating temperatures of a heat energy collection and storage apparatus. Improved performance may be achieved by employing a tw... | 02/03/1981 |
| 4248050 | Double-yoke balanced compressor A double-yoke balanced compressor for a cryogenic cooler that has only lir motion imparted to balanced piston and cylinder masses. A piston yoke is driven in the linear stroke direction by a piston axially offset crankshaft cam and a cylinder yoke is dri... | 02/03/1981 |
| 4248051 | System and method for controlling air conditioning systems A system and method for controlling a refrigeration unit of an air conditioning system operating in connection with a given building environment so as to establish conditions providing a desired comfort level within the building environment, the system an... | 02/03/1981 |
| 4248052 | Flow sensor and defrost system including same A sensor for detecting changes in the rate of flow of a gaseous stream by sensing changes of temperature up and down stream of a single heat source. The invention finds application as a frost sensor for use in a defrost system.... | 02/03/1981 |
| 4248053 | Dual capacity compressor with reversible motor and controls arrangement therefor In the main intended application of the arrangement according to the invention, that is, using a reversible motor compressor in a heat pump in a refrigerating or air conditioning system, it is desirable to insure a delay during reversal of the direction o... | 02/03/1981 |
| 4248054 | Refrigeration system with load balancing control for at least three centrifugal compressors An improved load balancing control circuit for at least three electric motor-driven centrifugal refrigerant compressors comprises a current transformer secondary 90', 91', 92' and a respective load resistor 93', 95', 97' in series to form the legs of a ci... | 02/03/1981 |
| 4248055 | Hot gas bypass control for centrifugal liquid chillers A control system and a method are disclosed for automatically controlling a hot gas bypass valve as a function for cooling load and head. A valve/controller is provided for controlling the operation of the hot gas bypass valve so as to avoid surging of th... | 02/03/1981 |
| 4248056 | Heat reclaimer for a heat pump This invention relates to a heat reclaiming device for a heat pump. The heat reclaimer is able to absorb heat from the compressor by circulating cooling fluid through a circuit which is mounted in good heat transfer relationship with the condenser, then a... | 02/03/1981 |
| 4248057 | Air conditioner An air conditioner of heat pump type including a pair of indoor and outdoor heat exchangers, and a propeller fan interposed therebetween. The both heat exchangers and the propeller fan are mounted on a bottomplate member which also serves as a receptacle ... | 02/03/1981 |
| 4248058 | Differential piston type reversing valve construction, system utilizing the same and method of making A differential piston type reversing valve construction having a housing body provided with a high pressure chamber that has a valve member slideable therein for selectively interconnecting said high pressure chamber to either port of a pair of ports inte... | 02/03/1981 |
| 4248059 | Reversible-cycle closed-circuit refrigeration systems Reversible-cycle closed-circuit refrigeration systems such as used in air conditioning units generally include first and second heat exchangers for transferring heat between a refrigerant and first and second fluids respectively, the systems being operati... | 02/03/1981 |
| 4248060 | CO2 Charged cooling unit A vertically elongated upright and closed bottom cabinet is provided including peripherally extending sides. A vertically extending passage structure is disposed within the cabinet inwardly of the peripheral sides thereof and the passage structure is cons... | 02/03/1981 |
| 4248061 | Thermostatically and hygrostatically controlled cabinet for storing foodstuffs and other particularly delicate products A thermostatically and hygrostatically controlled cabinet for storing foodstuffs has a food storage chamber partially surrounded by an elongated space communicating with the food storage chamber through a grid. A fan establishes forced air circulation ins... | 02/03/1981 |
| 4248062 | Drive shaft assembly and method for making same A composite drive shaft having a hollow tubular, multi-layered fiber reinforced plastic shaft portion (11) with a metallic sleeve (13) inserted in and bonded thereto at least at one end, said sleeve (13) having universal joint connector means (12).... | 02/03/1981 |
| 4248063 | Manual knitting apparatus A manual knitting frame having a pair of support blocks at opposite ends of two or more spaced longitudinally elongated members. Pegs projecting from each of the members. Rods connecting the blocks and passing through the members, one of which is threaded... | 02/03/1981 |
| 4248064 | Lock-stitch knitted elastic fabric An elastic warp knit fabric having ravel resistant features made of a number of base yarns which are knitted to form a plurality of closed loops extending in a warp direction to form wales including interior wales, an end wale and an adjacent wale adjacen... | 02/03/1981 |
| 4248065 | Programming device for circular stocking knitting machines and the like Wide variations of the knitting program determined by the program drum of a circular knitting machine may be achieved by providing a plurality of rotatable program discs having peripheral seats for removable pins for determining supplementary programs and... | 02/03/1981 |
| 4248066 | Apparatus for the continuous wet treatment of strand-like textile materials An apparatus for the continuous wet treatment of strand-like textile material wherein a treatment liquid flows countercurrent with respect to the direction of movement of the continuously conveyed textile material, and the textile material is squeezed at ... | 02/03/1981 |
| 4248067 | Device lock allowing rotation A locking apparatus for removably attaching an object to a specified place on a surface, allowing the object to rotate while locked. An engageable cylindrical protrusion is attached to the surface. The object is provided with a hole at the desired point o... | 02/03/1981 |
| 4248068 | Deadlocking mechanism Deadlocking mechanism of the kind including a deadbolt slidably located in a casing so as to be projected beyond an end of that casing in an operative position, and to be substantially contained within the casing in an inoperative position. An actuator su... | 02/03/1981 |
| 4248069 | Apparatus for protecting and preventing theft of in-dashboard mounted radios and the like Apparatus for protecting and preventing theft of in-dashboard mounted vehicle radios and the like is shown wherein the locking apparatus is attached by means of the very same threaded shafts which are utilized as the primary mounting means of the radio in... | 02/03/1981 |
| 4248070 | Steering column and ignition lock for motor vehicle A coincidental lock for a motor vehicle comprises a key controlled lock cylinder mounted in the axial bore of a housing for rotation into selected operating positions. A lock bolt is mounted in a cross bore of the housing for displacement between a retrac... | 02/03/1981 |
| 4248071 | Separable holder A separable holder, such as for holding keys or the like, includes a plastic central portion having a body portion and first and second threaded projections extending from opposite ends of the body portion. First and second end portions, each having an in... | 02/03/1981 |
| 4248072 | Method of and apparatus for producing plate material having uniform width and lengthwise thickness variation A method of producing a plate material having a uniform width and a lengthwise thickness variation by imparting plastic deformations to a work by means of widthwise rolling rolls and thicknesswise rolling rolls. The method has the steps of measuring the t... | 02/03/1981 |
| 4248073 | Cluster type cold rolling mill A cluster type rolling mill intended to provide work roll sizes in the range between the small sizes available with current cluster mill designs and the large sizes available with current four-high mill designs is disclosed. This mill combines the advanta... | 02/03/1981 |
| 4248074 | Axial roll adjustment for a rolling mill Apparatus at the operator's side of a rolling mill is used to move the chock for one of a pair of rolls in an axial direction thereof for alignment between roll pass openings in the bodies of the pair of rolls. The apparatus includes a chock extension sle... | 02/03/1981 |
| 4248075 | Method of forming aperture with rounded edges in sheet material A procelain on steel printed circuit board includes apertures whose edges are rounded. An aperture is formed by first punching or otherwise making an aperture in the uncoated steel of somewhat larger size than desired, then employing a pair of dies, each ... | 02/03/1981 |
| 4248076 | Triple action container drawing and redrawing method A method and apparatus for forming cup-shaped metal containers from a metal blank by drawing and then redrawing the blank to its finished configuration is disclosed. The method and apparatus is intended for use in a double acting press having inner and ou... | 02/03/1981 |
