Abstract: This invention relates to a novel variety of Callery Pear tree, distinguished by its globe shape which is normally apparent two to three years after budding, more vigorous growth rate, green waxy foliage which consistently turns to the same red to red-purple colors each autumn, thornless branches, profuse blooms, with blooms first appearing when the trees are quite young, and its sparse fruit.

Abstract: A chrysantheumum cultivar particularly characterized as to uniqueness by the combined characteristics of flat capitulum form, spooned daisy capitulum type, dark lavender pink ray floret color, diameter across face of capitulum up to 10 cm., tall plant height, semi-spreading branching pattern, average natural season flowering date of September 22, and average flowering response period of seven weeks in photoperiodic controlled short day programs.

Abstract: An African Violet known by the cultivar name Boston having strong upright stems carrying intensive pink flowers having frilled edges; compact and vigorous growth habit, and leaves which are cupped to form a flat funnel, with the leaves having serrated edges and light-green centers.

Abstract: An African Violet referred to by the cultivar name Nashville having compact and vigorous growth habits; red-purple, frilled, non-dropping flowers; strong and upright stems; relatively quick saleability due to its vigorous growth habit, and by its generally funnel-shaped leaves having light-green centers.

Abstract: A sizing disc for a shirred tubular casing length utilized in a stuffing apparatus said sizing disc including a rim portion, a wall support extending inwardly therefrom and terminating in a terminal end portion defining an annulus, and frangible self-locking elements disposed on said terminal end portion.

Abstract: A blower system to dry dogs or other animals, and designed to give a more forceful volume of air making it possible to separate and fluff the hair. One, two or three motors are available to draw air through a filter system, heat the air, and eject the air outward through hoses attached to a cage or a hand held dryer.

Abstract: An analytical element for assay of complex fluids, such as blood, the element comprising two reagents and a barrier composition separating the reagents. Such an element is particularly useful in the analysis of blood for urea nitrogen and cholesterol content.

Abstract: A press mechanism for removing liquid from a traveling fibrous web such as a web of paper received from the fourdrinier section of a paper machine including a backing roll and a looped traveling belt forming a press nip with the roll with a plurality of shaped shoes extending the length of the roll and pressing the belt toward the nip with said shoes having a concave curved surface facing the belt and being pivotally supported so that a wedge of lubricating fluid builds up between each of the shoes and the belt to lubricate the shoes and to press the belt toward the nip. Means are provided for individually controlling the force with which the shoes are pressed toward the belt.

Abstract: A method is disclosed for substantially reducing the potassium oxide context of wood fly ash contained in the combustion products generated during the burning of wood particles. The method disclosed involves mixing an alkali metal silicate, a secondary alkali metal compound and silica with the wood particles, burning the mixture, and withdrawing a stable, potassium oxide containing silicate product from the flue gases.

Abstract: A trigger switch for portable tools such as circular saws, chain saws, and the like having a return-spring biased trigger that is actuated by the forefinger of the user to turn the tool on and upon release returns to and locks in off position under spring action. The trigger switch which may be of the inline or pivoted (overhanging) type is provided with a built-in spring biased lock that automatically locks the trigger whenever the trigger returns to its off position. A manual release button is arranged to be depressed by the thumb of the user to release the lock and allow reactuation of the trigger. The lock-off feature is characterized by a strong lock to prevent forcing and requiring only minimum modification of the conventional trigger switches.

Abstract: A series coupled inductance and active current conducting device are coupled in parallel with a winding of an output transformer of a horizontal deflection generator. Flyback pulses integrated in sawtooth waveforms are combined with a vertical rate parabolic waveform derived from a vertical deflection generator and coupled to a control electrode of the active device for controlling its conduction during each flyback interval at a vertical rate for loading the output transformer and thereby altering the horizontal scanning current in a manner to correct for side pincushion distortion.

Abstract: The invention is an improved delivery system for injecting a cardioplegic solution made mostly of a patient's own blood into his heart in order to arrest it. The delivery system is used in combination with a cardiopulmonary bypass apparatus which includes an oxygenator, a roller pump, and typing connecting the patient's heart to the oxygenator so that patient's blood will flow into the oxygenator and the roller pump will pump it out of the oxygenator back into the patient's heart.

Abstract: Three cylindrical battery cells are physically disposed in a plastic housing with two of the cells spaced coaxially adjacent one another and the third cell spaced laterally adjacent the coaxial cells spanning the distance between the coaxial cells. An insulating band encircles the end of each cell, between the end cap and a current-collecting sleeve, to prevent shorting between the current collectors. The three cells are connected electrically by conductive elements, such as end caps or straps, that place the third cell in series between the coaxial cells.

Abstract: Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a novel releasable azo dye. The dyes are azophenols, or precursors of azophenols, and have an electron withdrawing group in one of the positions ortho to the phenolic hydroxy group and a carbamoyl electron withdrawing group in the other position ortho to the phenolic hydroxy group.

Abstract: Diphenylmethane dicarbamates and polymethylene polyphenyl carbamate homologs and derivatives of these compounds are produced by the condensation of N-aryl carbamic acid esters, such as ethylphenylcarbamate, with formaldehyde, para-formaldehyde or trioxane in the presence of strongly acidic sulfonated aromatic ion exchange resins or perfluoroalkane sulfonic acid resins, at temperatures of from ambient to about 150.degree. C. and optionally in the presence of an inert solvent.

Abstract: In a method of manufacturing garments, a mold is provided in the shape and size of the desired garment. The mold includes a matrix of conductors by which variable predetermined electrostatic fields can be established over the mold. A plurality of fiber layers are electrostatically deposited onto the mold to form a garment wherein at least some of the fibers comprising preselected layers are oriented according to the elasticity requirements of particular areas of the garment. Preferably, the garment is then at least partially precured, after which a plurality of colorants can be applied in sequence electrostatically to the garment to produce predetermined patterns, if desired. The garment is then cured to set the fiber layers and colorants, after which the garment is removed from the mold for subsequent finishing.

Abstract: An adjustable pant leg system includes a pair of trouser legs having a row of synthetic hook and loop material affixed to an inner surface at the bottom edge portion of the trouser legs. A plurality of rows of synthetic hook and loop material is also spaced equally on the inside of the trouser legs along a bottom portion of its length. The synthetic hook and loop material affixed at the edge portion is folded inwardly and upwardly along the length on the inside of the trouser legs for engagement with one of the plurality of rows of synthetic hook and loop material to form the legs of a desired length.

Abstract: Method for fixation of prostheses to bone with sterile non toxic polymers such as polycaprolactone which are formable viscous liquids or putty-like solids at temperatures within the range of 45.degree.-75.degree. C. and hard, rigid solids at temperatures below about 42.degree. C., and to a sterile package containing such polymers.

Abstract: The invention describes a system for removing the odors associated with the bodily discharge of odorous volatile gases associated with the use by the human body of the toilet stool. A hollow toilet seat having radial holes associated with the centermost portion is supported and communicates with a vacuum device for drawing air from the hollow portion through the radial holes through the ported toilet seat and through this vacuum device. An incinerating device such as a grid of tungsten wires or a glow plug is inserted in the passageway and connected to an electrical source, preferably one of low voltage, for incinerating and burning the odorous volatile body gases. The discharged by-products of combustion may either be discharged into the room or may be discharged through suitable wall fittings to the outside atmosphere. Incinerating the odorous volatile body gases destroys the odor allowing the by-products of combustion to be discharged back into the same bathroom atmosphere.

Abstract: This pull out sofa bed is an improvement of the sofa bed disclosed in U.S. Pat. No. 3,984,883, granted Oct. 12, 1976. The change over the disclosure in said patent involves essentially several links different in figuration, and addition of a rivet. Primarily the change reduces the cost of manufacturing the bed with less material to accomplish the resulting operation. Also the spring actuated mechanism to retain the present bed in fully folded condition, was modified and allows for better closure of the bed.

Abstract: An elongated towel has a flap member attached thereto near one end thereof, this flap member forming a compartment for removably receiving an inflatable pillow. The towel thus can be used for the usual drying purposes and also as a mat for sun bathing with the inflatable pillow forming a headrest.

Abstract: An automobile tool device is disclosed comprising an elongated support element having a beveled edge forward end adapted for removing ice and a jam element attached to the rearward end with the jam element having a plurality of stepped surfaces to engage the operating lever of a gasoline pump handle and hold the lever in an operating position. A second jam element is detachably secured to the support element and is adapted to maintain a spring biased license plate in a position away from the body of an automobile.

Abstract: A lift assembly which extends through the boat deck to the bow or keel and includes a combination lifting-eye and cleat mounted to the deck, a rigid strap mounted to the bow or keel of the boat having an arcuate closed loop portion with a slot therein extending in the arcuate direction. A cylindrical nut is rotatably received in the loop portion of the strap and a rigid rod extends through the slot and is threadedly secured to the nut, the other end thereof being threadedly connected to the lifting-eye. In the case of a bow mounted strap, the bow-eye, which is in the form of a U-bolt, extends through the bow and a pair of apertures in the strap and is secured thereto by means of nuts which clamp the strap to the bow.

Abstract: A combination of a book and a hanging device therefor is disclosed which includes a pair of apertured, perforated hanging tabs attached to the front and rear cover portions of the book and protruding beyond the top edge of the book. The book may thus be hung in an upright, closed position on a peg for display purposes, the hanging tabs being readily manually removable when no longer needed. A method of making the book and hanging device is also disclosed.

Abstract: A load-supporting structure comprises a plurality of similar longitudinally extending truss members each having upper and lower spaced-apart chords and intermediate joining members. The chords and joining members are constructed of rectangular tubular members, the joining members being arranged to overlap adjacent side surfaces of the respective chords which, in a preferred embodiment in which the tubular members are constructed of fibre-reinforced plastics material, provides large bond areas resulting in a strong lightweight structure.The load-supporting structures of the invention find particular application in forming the individual trackways of a temporary bridge structure, means being provided for attaching structures end-to-end and to suitable ramp portions.

Abstract: A rotary stripper, which can be chucked to a drive shaft, comprises a pair of discs spaced by a centrally positioned intermediate hub which has radial slots. Immediately outward of the hub and arranged in a ring concentric thereto are a series of equidistantly spaced pins, the axes of which are parallel to the central axis of the hub. The location of the pins, in a circular sense, places one thereof at and in adjacent relation to the outer end of each slot, offset from a direct alignment with the slot. The offset in each case is in a direction counter to that in which the hub is intended to rotate in use.Stripper elements which are relatively rigid but have a minor degree of flexibility are simultaneously slip fit to each pin and in the slot adjacent thereto and are resiliently mounted thereby to the hub. The stripper elements are contained by the discs to either end of the hub.

Abstract: A paint scraper has a blade holding portion, having a slot in which is releasably mounted a paint scraper blade. The blade has a pair of different, opposed paint scraping edges. The first edge is straight and smooth, and is used for fine scraping work. The second is toothed, serrated and is used for coarse scraping work. The blade is readily removed from the slot and reversed or replaced, to change from one mode of operation to another.

Abstract: A container for storing a quantity of paint and a roller-type paint applicator wherein a pair of plate-like members are mounted in vertically extending, spaced relation in the receptacle portion of the container by a pair of elongated, laterally spaced mounting members which extend horizontally through openings in the side walls of the container and upper ends of the plate-like members. A plurality of coil springs interconnect the plate-like members and bias the plate-like members toward each other with sufficient force, when engaged with the roller of the applicator, to support the roller in an elevated position above the level of paint in the receptacle portion when the applicator is not in use. The plate-like members also wipe excess paint from the roller as the latter is shifted upwardly between the members after being immersed in paint. A portion of the frame of the applicator extends through an opening in the cover of the container.

Abstract: A system for cleaning large areas such as baseball parks and football stadiums and picnic areas and zoos, including a truck having a chassis, a refuse compactor mounted on the chassis for packing refuse into a small volume therein, a blower mounted on said chassis and constructed and arranged to draw air and entrained refuse into an inlet for the blower and to blow the refuse from the blower into the compactor, a substantial length of flexible hose having one end thereof connected to the inlet to the blower and a pickup nozzle connected to the other end of said hose, the pickup nozzle having an inlet end with an opening therein substantially greater in area than the internal area of the hose, the blower creating a stream of air entering the inlet end of the nozzle and carrying refuse therewith and along the hose and through the blower and into the compactor thereby rapidly to clean refuse from large areas and to compact the refuse into a small volume in the compactor.

Abstract: A machine is provided for cleaning surfaces, including hard floors and carpeting. The machine has a frame with a disc brush rotatably carried thereby and driven by a motor which is mounted on a plate that is resiliently carried by the frame. A first vacuum nozzle and a squeegee are located at the back of the machine behind the disc brush for picking up cleaning solution when hard floors are being cleaned. The machine has a second nozzle located at the front thereof, in front of the disc brush, for picking up cleaning solution when carpeting is being cleaned and the machine is moved in a rearward direction. A cleaning solution supply tank is located on the frame and a recovery solution tank is located in the supply tank. A vacuum motor is mounted on a lid above the recovery tank and means are provided for connecting the recovery solution tank with each of the exhaust hoses for the two vacuum nozzles.

Abstract: A device for cleaning floors with the aid of a liquid comprising: a hollow, elongated suction mouth piece having a longitudinal axis and having an elongated suction port extending along the lower surface thereof parallel to said longitudinal axis, a suction tube connected to the mouth piece and communicating at one end with the interior of the mouth piece, the suction tube having an opposite end for connection with a suction device; a spray nozzle mounted adjacent each end of the elongated suction mouth piece, said nozzles being directed downwardly and inwardly toward each other.

Abstract: A maneuverable surface sweeper has a framework supporting a hopper configured to receive dust and debris swept from an underlying surface. A broom chamber is mounted within the framework overlying the surface to be swept and in communication with the hopper. The broom chamber may move vertically relative to the framework. A rotary driven broom is mounted in the broom chamber and has limited vertical movement capability relative to the chamber. A resilient tubular seal is disposed between the broom chamber and the hopper so that dust control is obtained therebetween while the broom chamber undergoes vertical movement. A bump encountered on the underlying surface elevates the broom chamber permitting the sweeper to pass thereover while allowing the broom to descend and continue in sweeping contact with the surface.

Abstract: A novel telescoping heat responsive releasing device is described wherein a mounting member on which a bimetallic means is mounted slidingly engages a pawl member which is movable between a first position in which the pawl member is capable of being restained by the aforementioned bimetallic means, and an actuating position wherein associated apparatus connected to said releasing device may assume the desired heat responsive posture. Various alternate embodiments are illustrated wherein a plurality of bimetallic elements are utilized to engage the pawl member, wherein a bimetallic element is additionally actuated mechanically or electrically, and wherein various pawl and mounting member configurations are illustrated.

Abstract: A roller fitting adapted to be secured to a length of scaffold tube and to suspend said scaffold tube from a girder, said fitting comprising a main body, a clamp pivotally mounted on the main body, means for releasably holding the clamp to the main body, and a roller rotatably mounted on part of the main body by means of a bearing. The clamp and main body are so shaped that they can receive and hold between them a length of scaffold tube and the arrangement is such that, when the fitting is located in position with the roller bearing on a flange of a girder, the said part of the main body on which the roller is mounted is located over the flange of the girder whereby, in the event of failure or breaking up of the roller or bearing, the said part can engage the flange of the girder.

Abstract: A system is provided for pivotally mounting opposed ends of a door panel between a pair of frame or shelf members. The system utilizes a pair of panel-engaging members which have U-shaped cross sections and which receive the door panel ends. Each of the panel-engaging members has a pair of spaced leg portions interconnected by a base portion. A pair of elongate cylindrical projections extends from the base portions to define a pivot axis of the door panel. A pair of projection-receiving formations is provided on the frame members for journaling the projections. At least one of the projection-receiving formations takes the form of an adjustably positioned bearing structure. The panel-engaging members are preferably formed as elongate extrusions of plastics material. One of the panel-engaging members is provided with a handle formation for facilitating movement of the door panel.

Abstract: A self-closing door hinge is characterized as that the door can be automatically closed after opening the door and released by hand without any other power aid. Said self-closing door hinge comprises: A main hinge and two auxiliary hinges. Said main hinge is composed of: a right hinge leaf with sleeve, and a left hinge leaf with pivot. Said pivot of left leaf is provided with extended pin rollers which engage with the grooves in said sleeve of the right leaf.Said grooves are made horizontally from 0 degree through 50 degrees based on the zero degree line as door closing and then inclined upwards from 50.degree. through 180.degree.. Whenever opening the door, the pivot of the left hinge leaf fixed on the door will be rotated so that the pin rollers thereof may be slipped along the grooves so as to raise the left hinge leaf and door upwards against the right hinge leaf which is fixed on the door frame.

Abstract: A meat tenderizer is disclosed having a handle member and a spool rotatably mounted by said handle member. The spool receives thereon, in combination, a plurality of tenderizing blades each provided with teeth and held in spaced relation by a plurality of ring-like spacer elements. The tenderizing blades and the spacer elements are positioned on the spool whereby the teeth of the tenderizing blades are maintained in a staggered relationship.

Abstract: A multi-component composite meat product such as bacon is formed by preparing a comminuted fat and comminuted lean meat component each component containing optional additives and pumping the separate components through separate manifolds to a forming die. The die includes a plurality of partitions or dividers defining the desired lean and fat configuration of the multi-component composite meat product. Bacon slabs simulating naturally occurring slabs are formed in accordance with the invention by pumping a comminuted fat component through the rear of the forming die and extruding a comminuted lean meat component into the fat component as it passes through the die to provide the multi-component meat. Resultant bacon slabs may thereafter be processed and sliced like the naturally occurring bacon product to produce bacon slices with the desired configuration and size of the lean and fat meat components.

Abstract: A method for the shirring of synthetic tubes or casings comprising inflating the casing, inserting a long guide element of comparatively low gyrating cross-section into the casing while it remains inflated, applying pressure to the casing with a plurality of shirring elements engaging around its circumference in the same axial range, and gyrating the shirring elements in an eccentric pattern around the center of the guide element to effect gripping and carrying of the casing axially against a control-retracting buffer on the axial fold formation through which the casing is folded in a spiral shape. A device for shirring of the sausage casing comprises a guide mandrel over which the casing is fed through a shirring head which includes a plurality of rotatable profile rollers carried on the head and arranged radially in respect to the guide mandrel at spaced circumferential locations around the mandrel.

Abstract: A lobster fork has a short ridged claw tine, a thumb indent opposite the claw tine and a spurred tine.