Abstract: The disclosure is related to a high pressure fluid control valve including a valve seat made from a resilient, deformable material and a main valve plug which is matable with the resilient, deformable valve seat. A selectively, axially displacable valve stem is associated with the valve plug whereby a contact load placed upon the valve plug by the valve stem will cause the valve plug to be become imbedded within the deformable material comprising the valve seat when the valve is closed and thereby conform the deformable seat precisely to the contour and configuration of those portions of the valve plug which mate with the valve seat. In this manner, a precise zero-leakage mating is obtained each and every time the plug is mated with the seat. In accordance with the invention, an auxiliary throttle plug is associated with the main valve plug and is arranged to mate with a second, metal valve seat which is arranged in an area removed from the resilient, deformable valve seat.

Abstract: An infinitely variable drawing instrument for producing unlimited varieties of fanciful designs. The designs produced by the drawing instrument are of the repeated individual line type yet indexed around the circumference of a circle. After the various apparatus variables are set by the operator and a piece of paper is located on a drawing platen, the drawing tool or pen nib, located at the end of a drawing bar connected to the driving wheel is placed on the paper and the operator merely rotates the driving wheel by grasping a handle. The simple manual rotation of the driving wheel causes the drawing platen to rotate and, in addition, causes the drawing tool or pen nib to move and thereby draw the fanciful design on the paper. Thus, repeated lines, indexed on a circle, produce unlimited drawing designs. A guiding template and/or an intermediate bar can also be connected between the driving wheel and the drawing bar which provide additional variables for adjustment for making additional drawing designs.

Abstract: A hoisting mechanism for handling the cover of an electric arc furnace comprises a pivotable gantry base and gantry arms connected thereto which extend over the furnace cover. Traverse bars overlay the gantry arms and are connected to the furnace cover by hoisting rods which pass through the gantry arms. Lifting mechanisms preferably in the form of hydraulic piston-cylinder arrangements are secured, on one end, to the gantry arms and, on the other end, to the lower side of the traverse bars. The mechanism is electrically insulated to eliminate deterioration of the equipment and the existence of electrical circuits and, in addition, the hoisting rods and the piston cylinder mechanisms are water-cooled.

Abstract: A pet toilet for use indoors having an automatic cleaning feature. The pet toilet is attached to conventional household drains. The animal stands or sits on a flexible foraminous platform, thereby deflecting it, and relieves itself. Some of the waste passes through the holes in the platform. After the animal leaves, a sensor detects that the flexible platform has returned to its normal level and water is automatically introduced to a level above the level of the platform. An ultrasonic transducer emits ultrasonic waves which clear the platform and other areas of the toilet.

Abstract: A process for the production of colored films of paper impregnated with synthetic resin which contain melamine resin and have a three-dimensional surface structure, by printing the paper films with a colored pattern using an aqueous protein-based printing ink and lacquering thereover. The color which is printed in the regions in which the lacquer layer is to be thinner than in the other regions contains a lacquer repellent, and the printed and dried paper film is impregnated with an aqueous impregnation of a melamine resin from the unprinted side, with the formation of a one-sided excess of resin, and is dried. The printed and impregnated film is coated on the printed side with an aqueous lacquer based on melamine resins, and the lacquered film is hardened at elevated temperature without applying pressure. A laminate is produced by joining the unprinted side of the hardened film to a substrate such as chipboard.

Abstract: A compact surgical operating instrument, including an elongated cylindrical housing supporting a projecting shaft which is mounted for reciprocation by a coaxially arranged cam assembly rotated by a motor drive. The cam assembly includes two continuous, opposed, canted cam surfaces which positively and alternatively drive forwardly and rearwardly a cam follower mounted on the inner end of said shaft, thereby converting rotation of the cam assembly to reciprocal movement of said shaft without the use of return springs.

Abstract: Apparatus for removing volatile components from a liquid includes three distinct sections of a confined passageway for the liquid. The first section is for heating the liquid to a predetermined temperature at a preselected pressure such that vaporization of the volatile components is prevented. The second section of the confined passageway is a restrictive orifice forming flow path. The third section is a volatile component evaporation section. The volatile component evaporation section and the restrictive orifice forming flow path are dimensioned relative to one another and in respect of the preselected pressure and temperature of the liquid product such that the volatile components of the liquid substantially instantaneously vaporize in a flashing action as the liquid passes from the restrictive orifice forming flow path to the volatile component evaporization section.

Abstract: The disclosure is related to a high temperature, zero leakage packing assembly for use in connection with the valve stem of a high pressure control valve. The packing assembly is particularly suitable for use in the control of high temperature, high pressure fluids containing corrosive materials, such as molten salt. The packing assembly generally comprises a bushing arrangement forming the lowermost portion of the assembly and a plurality of series arranged, axially stacked sealing barriers mounted above the lowermost bushing element. In accordance with a specific feature of the invention, the lowermost bushing element comprises a heat and corrosion resistant material and is formed to include an internal fluid chamber arranged to provide a fluid reservoir around the valve stem. Pursuant to an additional embodiment of the invention, a cartridge element is arranged and configured to house and enclose the sealing barriers, whereby the cartridge element and enclosed sealing barriers comprise an integral unit.

Abstract: An adjustable, low cost fixture for the production of stair stringer weldments of the type including a channel beam or the like and a plurality of carrier angle elements welded thereto for the support and positioning of tread and riser elements in the completed stair. The fixture includes an elongated reference beam, and means to clamp the reference beam to a flange of the channel member at an adjustable level from the edge of the channel. A plurality of carrier angle nesting blocks are individually clamped to the reference beam at spaced points along its length and in a predetermined angular orientation relative thereto. The nesting blocks are provided with notched out portions for receiving and positioning the carrier angle elements during welding thereof to the channel beam.

Abstract: Reaction mass containing mixed oxides of iron with one or more metals of groups IV to VII of the periodic table of the elements, wherein the mixed oxides are deposited in finely divided form on an inert refractory substrate with a high specific surface area. The invention also relates to methods for the manufacture of this reaction mass as well as the use thereof as a catalyst for the shift reaction of carbon monoxide with steam, forming carbon dioxide and hydrogen at an elevated temperature, and/or the removal of sulphur compounds from gases.

Abstract: Lacquer for coatings protecting against stone chipping, containing pigments, fillers, binders consisting of a mixture of film forming, hydroxyl-containing polyesters and aliphatic and/or cycloaliphatic polyisocyanates which are blocked with acetoacetic acid alkyl esters and have an average functionality of at least 2.5, organic solvents and conventional lacquer additives, which lacquer contains certain polyesters having an average hydroxyl functionality of from 2.5 to 6 and a hydroxyl content of from 2 to 6% by weight and containing from 15 to 50% by weight (aliphatic content) of aliphatic groups which have at least 4 to 20 carbon atoms in an unbranched chain, the proportion by weight of this aliphatic group content in the polyester to the benzene ring content in the polyester, calculated as the sum of the weight of carbon atoms of the benzene rings and of the hydrogen atoms attached to these carbon atoms (aromatic content) is from 1 to 2.5, and a process for its preparation and its use.

Abstract: The disclosure is directed to a soot blower of the long retracting type. In accordance with the invention, a revolving roller assembly is provided to support and guide the lance tube of the soot blower during its working motion along a predetermined path of travel. The rollers of the revolving roller assembly are mounted in a manner to provide a generally circular opening whereby the lance tube may be received through the opening to be supported and guided by the rotatable rollers as it moves along the predetermined path of travel. Pursuant to an important feature of the invention, the frame structure mounting the rotatable rollers comprises a modular construction advantageously arranged to accommodate repair and/or replacement of the rotatable rollers without having to remove the lance tube from the assembly. Generally, the circular frame of the invention comprises a main cage component and several cage segments.

Abstract: A roller shoe structure for high-accuracy straight-line guiding of construction units moving on other comprises a main body with component parts forming straight-line sections of a self-recurrent closed roller guiding raceway, raceway sections reversing the motion of the rollers, and a train of load bearing rolling element with recirculation motion, characterized in that side-guide clamping grooves (z.sub.1) and retaining insert clamping grooves (z.sub.2) are shaped in the main body (1) for engaging the main body (1) with side-guides (2), which ensure straight-line guiding of the rolling elements (5), and retaining inserts (3), which prevent the rolling elements from dropping out of the roller shoe structure if not built in, respectively, without using any binding element.

Abstract: The disclosure is directed to a multiprocessor data processing system. The data processing system of the invention generally comprises a plurality of microprocessor units and an instruction memory device electrically storing a common set of instructions in a pre-ordered sequence, each of said instructions being stored in representative, digital, electrical signal form. A tapped delay line instruction bus system is provided to electrically interconnect the instruction memory with each of the microprocessor units. The tapped delay line instruction bus system includes a plurality of individual tap buses and electrical controls operable to apply the digital electrical signals for each of the instructions stored in the instruction memory device to each of the individual tap buses, one tap bus at a time, in a timed, time-skewed sequence.

Abstract: The invention relates to fire-fighting powders providing per se or in mixtures an effective extinction of flames and embers.The fire-fighting powder according to the invention comprises(a) at least one member of a group consisting of potassium, sodium and ammonium sesquicarbonate as active ingredient and optionally one or more metal salt catalysts; or(b) at least one metal salt catalyst in addition to substances having per se known extinguishing effect;and optionally one or more other substances having per se known extinguishing effect as well as one or more additives generally used in the art.The fire-fighting powders according to the invention have enhanced extinguishing effect as compared to the known extinctors.

Abstract: The disclosure is related to a high pressure fluid control valve including a valve seat made from a resilient, deformable material and a main valve plug which is matable with the resilient, deformable valve seat. A selectively, axially displaceable valve stem is associated with the valve plug whereby a contact load placed upon the valve plug by the valve stem will cause the valve plug to be become imbedded within the deformable material comprising the valve seat when the valve is closed and thereby conform the deformable seat precisely to the contour and configuration of those portions of the valve plug which mate with the valve seat. In this manner, a precise zero-leakage mating is obtained each and every time the plug is mated with the seat. In accordance with the invention, an auxiliary throttle plug is associated with the main valve plug and is arranged to mate with a second, metal valve seat which is arranged in an area removed from the resilient, deformable valve seat.

Abstract: Disclosed herein is a new and improved laboratory furniture system including a free-standing, universal laboratory utility core module adapted to cooperate with one or more modular, adjustable C-frame laboratory bench supports, modular laboratory hood units, modular laboratory sink units, and like modular laboratory units to provide a fully serviced laboratory work center and/or equipment station.

Abstract: A gallery-quality frame for displaying fine artwork, including four mitered molding sections connected to form a rectangular frame. Each of the molding sections is formed of clear acrylic material and has a solid cross-sectional configuration defining a planar outer side wall, a planar front wall and a planar rear wall generally perpendicular to said side wall, a planar inner side wall, and independent lip, retaining, and assembly flanges projecting inwardly from said inner side wall. Pairs of L-shaped corner joining plates are associated with contiguous end portions of the assembly flanges. The front and rear walls of the molding are highly polished in a manner whereby the sections are transparent from front to rear. The geometry of the sectional frame sections as well as the frosting of their side edges totally conceals the connecting hardware from front view.