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Patents Published on 04/23/1991


See All Patents Issued In 1991


          11            
NumberTitleIssue Date
5009364Easy-open package for fluent material
An easy-open package for a fluent material comprises an upwardly open base vessel having an annular rim, a foil having an outer periphery engaging the rim and formed inward of the periphery with a nonstraight tear line defining a tearout portion, an open ...
04/23/1991
5009365Removable coin storage receptacle for slot machines
The receptacle includes a coin insertion slot (32). The slot (32) may be closed by a flap (40) which is fixed to a bolt (34) having one end (46) capable of moving out from the receptacle in order to lock the receptacle in a slot machine. The bolt (34) is ...
04/23/1991
5009366Mailbox insert
A tray-type mailbox insert for use in delivering and removing mail from a mailbox formed of a foldable blank including a bottom panel, side panels, and an end panel and having locking panels and locking tabs to secure the insert in a tray-like configurati...
04/23/1991
5009367Methods and apparatus for obtaining wider sprays when spraying liquids by airless techniques
The present invention is directed to methods and apparatus for spraying liquid compositions by airless spray techniques so as to obtain wider spray patterns without having to alter the construction or configuration of conventional nozzles, nozzle tips or ...
04/23/1991
5009368Constant-pressure, variable-volume irrigation sprinklers
Various apparatus and methods are shown for controlling the emissions from sprinkler heads in an irrigation system to cause variable volume irrigation at a constant pressure. In one approach, a rotating sprinkler head is rotated at different speeds as a f...
04/23/1991
5009369Spray shield unit
A spray shield unit adapted to be mounted on the head of a sprayer where the head has a spinner thereon rotatable about an axis for spraying liquid generally radially outwardly with respect to said axis. The spray shield unit comprises a hub having an ope...
04/23/1991
5009370Municipal solid waste material sorting trommel system
A municipal solid waste material sorting system comprises a multi-stage trommel having a relatively short first stage section with relatively small holes for screening out grit, dirt, coins, small stones and the like, a second substantially longer second ...
04/23/1991
5009371Rotary disintegrating device
A rotary disintegration apparatus comprises a housing with a central material input and a material outlet that is open underneath, an inner rotor fixed to a first shaft and an outer rotor fixed to a second shaft on the same axis that rotates in the opposi...
04/23/1991
5009372Roll cassette with spacers for height adjustment
The present invention relates to a light-tight roll-film cassette for holding and dispensing light sensitive material, having means to adjust the vertical position of the cassette in the exposure device, these means consisting of attachable spacers....
04/23/1991
5009373Device and method for detecting and displaying crossover pattern in precision winding
In precision winding of fibers onto a bobbin mounted on a mandrel, a suity positioned circuit of lag angle detector, differentiator, threshold and status latch detect the occurrence of a crossover event while a suitably positioned circuit of angle counte...
04/23/1991
5009374Aircraft with releasable wings
This invention relates to aircraft and specifically to devices for disconnecting the winds in a rapid manner. The frame of the wings is atached to the frame of the fuselage with exploding bolts. The skin of the wings is secured to the skin of the fuselage...
04/23/1991
5009376Seizure-fixing device of pipe by clamp member
A seizure fixing device of a pipe by a clamp member comprising a pipe, a clamp member having a seizure wall and a mounting wall at once end, a resinous bush interposed between the pipe and the clamp member and bonded via a bonding layer to the pipe, and a...
04/23/1991
5009377Debris collection for a lawnmower
A debris collection device detachably mounted on the handle structure of a lawnmower. The person operating the mower can place in the collection device any cans, sticks, papers, etc. that he encounters while mowing the lawn. The collection device preferab...
04/23/1991
5009378Rake mate and methods of constructing and utilizing same
A device for holding refuse bags in an open position, the device including a handle and footpad. The handle provides a "dustpan" feature which permits the device to be easily moved about the yard area. The footpad steadies the device while refuse is being...
04/23/1991
5009379Bed mounted television stand
A stand for supporting a television receiver or other large object at the end of a conventional bed or waterbed. The stand is a very simple, preferably one-piece unit that has a lower base which fits under the mattress, which base is joined to an upper le...
04/23/1991
5009380Rail mounted rack for bowl-shaped or kettle-shaped containers such as outdoor grills and the like
A horizontally disposed generally planar frame has an opening for removably holding a kettle or bowl-like container such as an outdoor grill nested in the opening with the frame extending over a railing along an edge of a deck. A bracing member is attache...
04/23/1991
5009381Tool holder for tools on a perforated board
A holder for tools, on a perforated board, with a plate-like base (1) for retaining a tool carrier (4), the base being provided with a slot (9) extending from a center hole away from a supporting beam (2) and terminating at a bottom perimeter edge of the ...
04/23/1991
5009382Instruction clip for sewing machine
An instruction holder for a sewing machine cabinet is provided and consists of an inverted L-shaped stanchion affixed to a mounting block on rear surface of the sewing machine cabinet. Clips are provided for suspending an instruction sheet on a horizontal...
04/23/1991
5009383Suspended ceiling electrical bracket
A suspended ceiling electrical bracket for installation in a grid type suspended ceiling to provide a means for mounting one or more rectangular junction boxes (24) or mounting a single octagonal junction box (48), to which can be installed in such boxes,...
04/23/1991
5009384Overhead support system for TV monitors
An overhead support system for TV monitors comprising a shoe releasably and slidably insertable into seated position into a pocket in an upper portion of the monitor housing. The shoe carries electrical contacts to mateably engage with corresponding elect...
04/23/1991
5009385Mounting arrangement for avionics equipment
An arrangement for releasably securing an equipment or instrumentation box in the cockpit of aircraft in alternate orientations by having one portion of the box apertured to cooperate with pins on a mounting tray and another portion slotted to cooperate w...
04/23/1991
5009386Pipe hanger and support
A spring support for a clevis or a pipe in which a main central bolt and two additional auxiliary bolts on opposite sides thereof are used to prestress the spring, wherein tightening of nuts on the auxiliary bolts raise an operative member causing an init...
04/23/1991
5009387Object retainer for upright concrete construction forms
A retainer device for holding objects within recesses provided on form liners which are attached to the inside surface of substantially upright concrete structural forms. The retainer device is attached to the form liner to hold the object against the lin...
04/23/1991
5009388Magnetic-controlled valve for fluid pipelines
A magnetic-controlled valve for fluid pipelines. The valve comprises a sealed guide bushing accommodating an external magnetic ring movable along the outer wall thereof and an internal magnetic plug-stopper movable longitudinally therein. A valve body acc...
04/23/1991
5009389Electromagnetic force valve driving apparatus
An valve driving apparatus includes a freely reciprocatable movable magnetic pole connected to a suction/exhaust valve, a fixed magnetic pole opposing one end of the movable magnetic pole, and a spring biasing the suction/exhaust valve in the closing dire...
04/23/1991
5009390Electromagnet and reed-type valve assembly
A fuel injection fuel supply system for a combustion engine has a fuel injector valve assembly effective for metering and injecting metered fuel into the engine induction system; the valve assembly is shown having a plurality of reed-like valving members ...
04/23/1991
5009391Valve assembly
A valve assembly comprising, a hollow body member having a cavity, a compression member received on one end of the body member and having an annular flange aligned with the cavity, a device for adjusting the position of the compression member relative to ...
04/23/1991
5009392Rotary air valve
A rotary air valve for a motor vehicle air conditioning, heating and ventilation system has a spring biased floating valve mounted on a rotary valve frame. The floating valve is spring biased radially outward against the interior of the case so that arcua...
04/23/1991
5009393Linear flow turn down valve
A linear turn down metering valve for gaseous fuels comprises a valve body having a frustoconical valve chamber receiving a rotatable valve plug and including an inlet on one side and an outlet at one end opposite a control shaft at the opposite end. The ...
04/23/1991
5009394Metal fence post extractor
A post extracting apparatus is disclosed in which a unitary bent plate of substantial thickness and strength having a "T" shaped aperture located in a plate portion adjacent the bend allows the plate to be slipped down over a T-shaped fence post to fit wi...
04/23/1991
5009395Method and apparatus for selectively heating a workpiece subjected to low temperature thermomechanical processing
Process and apparatus are provided for selective heating a portion of a workpiece to achieve improved ausforming and isoforming processes when the workpiece is plastically deformed by mechanical working above the Ms temperature. The process and...
04/23/1991
5009396Method and apparatus for the manufacture of formable steel strip
In the manufacture of formable steel strip having a thickness between 0.5 and 1.5 mm, the following process steps are performed sequentially in a continuous process: (a) in a continuous casting machine forming liquid steel into a hot slab having a thickne...
04/23/1991
5009397Plant to be used for metallurgical treatments of metal compounds and/or metal alloys or for producing calcium carbide
A plant for metallurgical treatments, in particular for melting or melt-reducing metals, metal compounds and/or metal alloys, or for producing calcium carbide, comprises a shaft receiving a burden, a melt collecting space disposed laterally of, and below,...
04/23/1991
5009398Device for reducing the stresses on a sealing shutter
An apparatus for sealing an orifice is disclosed. The apparatus includes a shutter and an annular seat. The shutter includes a shutter body and a soft peripheral gasket. The shutter has a closed position in which the gasket is laid against the annular sea...
04/23/1991
5009399Device for transfer of molten metal
A device for transfer of molten metal comprises a centrifugal conduction MHD pump (1) which is arranged within a molten metal bath (2) and is comprised of a metal housing (3) provided with a cover (4) whose inside surface is connected to one end of a meta...
04/23/1991
5009400Active spring-and-damper system
An active spring-and-damper system for placement between a vehicle body and a wheel guiding member comprises a piston/cylinder unit having a pressure chamber for static load support and two additional pressure chambers for dynamic load control. The pressu...
04/23/1991
5009401Air spring suspension system with dual path isolation
A suspension system for a vehicle having a shock absorber strut with a reciprocal piston rod located within a cylinder, and attachments for securing the piston rod and cylinder to spaced parts of the vehicle. An air spring includes a rigid annular caniste...
04/23/1991
5009402Vehicle engine and suspension vibration control arrangement
A manually operable switch can induce the shock absorbers of a vehicle suspension system to be set to produce one of plurality of different damping characteristics and further induce one of a plurality of different predetermined voltages to be applied to ...
04/23/1991
5009403Fluid-filled elastic mount
A fluid-filled elastic mount including a first and a second support member; an elastic body for connecting the first and second support members; a first chamber filled with a non-compressible fluid and receiving a vibrational load applied to the mount; a ...
04/23/1991
5009404Fluid-filled elastic mount
A fluid-filled elastic mount including a first and a second support member; an elastic body for elastically connecting the first and second support members; a pressure-receiving chamber filled with a non-compressible fluid and receiving a vibrational load...
04/23/1991
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