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Patent # Description
US-4,254,816 Apparatus for manufacturing mold parts
An apparatus for fabricating boxless casting mold parts. During a first step the sand is pre-compacted in mold boxes or flasks by means of a pressure or...
US-4,254,815 Curtain supporting and positioning combination
A traverse rod curtain support combination is provided with a draw cord adapted to actuate curtain supporting master carriers through a lost-motion arrangement...
US-4,254,814 Venetian blind and a valance bracket therefor
A horizontal venetian blind and a valance bracket therefor, in which the bracket is formed as a unitary structure formed in one single piece, and including a...
US-4,254,813 Valance bracket for vertical venetian blind
A device for mounting the headrail of a vertical Venetian blind and for holding a valance to the headrail in which a bracket has the valance mounted on it and...
US-4,254,812 Pneumatic vehicle tire
A pneumatic vehicle tire with a tread strip having wood powder embedded therein and through the tread strip in the form of particles having a size within the...
US-4,254,811 Pneumatic tires
A pneumatic tire comprising a radial carcass reinforcement and a tread reinforcement imparting to the tread a meridian curvature less than the circumferential...
US-4,254,810 Nail-deflecting, inner-tube assembly for run-flat tires
A pneumatic tire having a "run-flat" capability, is disclosed. The tire is in the form of a substantially toroidally shaped carcass having a pair of ...
US-4,254,809 Two-piece rivet
A two-piece rivet assembly comprising a shank member and a collar. The shank member includes a head, a cylindrical shank, and a helical thread with a...
US-4,254,808 Wedging apparatus useful for log splitting
Two elongated members are coaxially moveable relative to one another with one member rigidly attached to a working head such as an elongated wedge or the like....
US-4,254,807 Tree harvesting apparatus and method
A tree harvesting apparatus includes a vehicle driven by an engine with first and second arm members pivotally supported on the vehicle and normally biased to a...
US-4,254,806 Apparatus for filling caulking tubes in a clean manner
An apparatus for filling caulking tubes in a clean manner with a liquid viscous composition wherein in the passage tube from which the viscous composition passes...
US-4,254,805 Closed chemical mixing system
A closed agri-chemical mixing and transferring system ideally adapted for mixing agri-chemical concentrate for subsequent use in agricultural spraying...
US-4,254,804 Filling device for filling containers
A filling device for use in a bottling machine, which device is provided with a sealing member for closing the opening of a bottle, a filling tube for supplying...
US-4,254,803 Woven stringer for slide fasteners
A woven fastener stringer for slide fasteners comprises a woven tape formed with foundation warp and weft threads and consisting of a web section defining a...
US-4,254,802 Apparatus for reinforcing a heddle frame slat of a loom
Apparatus for reinforcing a heddle frame slat of a weaving loom is disclosed wherein reinforcing side plates are provided on opposing sides of frame slats of the...
US-4,254,801 Quick-acting closure unit
A quick-acting closure unit for temporarily sealing the open end of a line used to convey a fluid under pressure. A cylindrical sleeve having a lower section...
US-4,254,800 Fluid flow rate control apparatus
Charging means is provided in a fluid flow path for charging the fluid. Another means is provided downstream of the charging means in such a manner as to be...
US-4,254,799 Lapped spool valve assembly
A valve assembly has an elongated body with an axial bore which is honed to a fine finish, axially apertured end caps sealed over opposite ends of the body, a...
US-4,254,798 Directional control valve
The direction control valve comprises a housing having a stepped central boring for accommodating a sliding control piston having a section of larger diameter...
US-4,254,797 Apparatus for producing calibration gases suitable for analytical instrumentation
Apparatus, useful for blending predetermined accurately measured quantities of gaseous components transferred from separate pressurized supply tanks to a gas...
US-4,254,796 Gas regulator valve with step opening characteristic
There is disclosed a fast-resetting, step-opening gas regulator valve of the diaphragm pressure controlled operation which has an internal bleed cavity and a...
US-4,254,795 Airflow control mechanism insertable into an air duct
The invention provides an air flow control mechanism adapted to be slideably insertable into an air duct without substantial structural modification of the air...
US-4,254,794 Valve for self-maintaining poultry waterer
In a poultry watering system having a float-controlled valve for maintaining a desired water level in a trough, leakage through the valve from an overhead supply...
US-4,254,793 Ball valve having valve chamber venting seal assemblies
A ball valve is disclosed wherein seal assemblies, extending about flow passages in the body of the valve to either side of a valve chamber containing the ball,...
US-4,254,792 Double-seat valve
A double-seat valve has a first valve member and a second valve member which abut against one another after a predetermined stroke to an open position, so as to...
US-4,254,791 Flow rate regulator
There is provided an in-line regulator for pressurized fluids. The regulator comprises a regulator sleeve disposed in a tubular, fluid-carrying line or in...
US-4,254,790 Pressure control unit for the control of the pressure of at least one gas depending on the pressure of another gas
A pressure control unit comprises a central reference chamber in which the gas pressure is adjustable and one or more control chambers, each of which is...
US-4,254,789 Apparatus for mixing media, such as gases or liquids
In an apparatus for mixing in given proportions two media, such as gases or liquids, the pressure of each said media is reduced to a working pressure by a...
US-4,254,788 Energy saving dishwasher
A control circuit for a dishwashing machine to economize its energy consumption and usage. In order to conserve energy, the dishwashing machine has a control...
US-4,254,787 Coin accumulation cylinder changeover alarm
There is provided a coin packaging machine which comprises a coin denomination selection handle provided with a rotary operation plate. A coin denomination side...
US-4,254,786 Dental floss holder
A dental floss holder is provided with a slot-headed locking axle on which a spool of floss is mounted. A length of floss is extracted from the spool disposed...
US-4,254,785 Hair roller fastener
A fastener used with a roller for curling hair, formed from a single length of spring steel, folded over in double-bend, or double-loop shape, having a main...
US-4,254,784 Method and apparatus for attaching a hair unit
An improved hair unit assembly and method is disclosed wherein the user's natural hair is employed to attach the hair unit in place. In practice, one or more...
US-4,254,783 Hair piece having a comb-shaped attaching member
A hair piece having a comb-shaped attaching member designed to provide the most natural appearance while also securely attaching the hair piece to the natural...
US-4,254,782 Tobacco smoke filter
An improved tobacco smoke filter is provided with a novel arrangement of restricted passageways and expansion chambers which entrains the smoke so that greater...
US-4,254,781 Method and apparatus for delivering particles of tobacco to shredding machines
The channel between the convergent tobacco compacting upper and lower chain conveyors of a tobacco shredding machine receives particles of tobacco from one or...
US-4,254,780 Apparatus for discharging threshed materials directly from the rotor of an axial flow combine
Apparatus for discharging threshed crop materials, in a relatively uniform manner across the body width of the combine, directly from the discharge end of a...
US-4,254,779 Brain wave analysis apparatus for use in diagnosing living body conditions
In a brain-wave analysis apparatus, an electrical brain-wave signal is analyzed for purposes of diagnosis by detecting the time interval between adjacent ones of...
US-4,254,778 Imaging systems
In an apparatus for examining human bodies by nuclear magnetic resonance to produce images of cross-sectional slices of such bodies, it is desirable to reduce...
US-4,254,777 Brassiere for strenuous physical activity
A brassiere for wearing during strenuous physical activity to prevent undue movement by the use of extra facing around the cups, providing extra comfort for the...
US-4,254,776 Apparatus for transmission of information by electrocutaneous stimuli
An apparatus for use in a system for transmitting information in the form of electric stimuli to a subject through the medium of a multiplicity of electrodes...
US-4,254,775 Implantable defibrillator and package therefor
A fully implantable defibrillator in which the components of the defibrillator are housed within an implantable casing. Defined within the implantable casing are...
US-4,254,774 Balloon catheter and technique for the manufacture thereof
A single-lumen, one piece catheter approximately 0.04 inch in diameter with an integral balloon at its end having a wall thickness of 0.005 inch or less,...
US-4,254,773 Swivel coupling for a catheterization system
A two-piece swivel coupling for a catheter system having Luer connections on either end of the coupling. One piece has a recess which receives an O-ring and the...
US-4,254,772 Hairpiece retention system and method of applying same
A surgically implanted suture retained by one or more epi-surface retention strands and bound by ties is disclosed which serves to provide a permanent hairpiece...
US-4,254,771 Folded top urine bag with elongated stiffening panel
A urine collection bag with a folded over top sealed to a stiffening panel in a generally horizontal plane. This panel shapes the folded bag top to define a...
US-4,254,770 Apparatus and method for alleviating physiological conditions by directed spray of liquid toward body tissue
The present invention provides a therapeutic spray apparatus and method for alleviating human ailments and conditions thereof. The apparatus comprises a pad...
US-4,254,769 Collapsible container apparatus with air vent and shut-off valve
The container of this invention is accordion-pleated and is provided in a collapsed condition for normal shipment. Just prior to use, one end of the container is...
US-4,254,768 Hypodermic syringe
A multiple barrel hypodermic syringe is provided for mixing materials contained in the barrels prior to use. A typical two barrel syringe comprises a lower...
US-4,254,767 Laboratory device for small animals
The present invention relates to a device which confines and restrains a small laboratory animal. The present invention further includes a hypodermic needle...
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