baber/WOPTO huggingface dataset:
Patent GB-1000579-A (GB)
Title: Production of methacrylonitrile
IPC: B01J27/192
Filed: 1962-06-20
Abstract: Methacrylonitrile is prepared by contacting a gaseous mixture of isobutylene, molecular oxygen and ammonia with a catalyst comprising oxides of antimony, molybdenum and bismuth, optionally with an oxide of phosphorus, said catalyst corresponding to the empirical formula PnSbaMobBic wherein n has the value 0 to 12, a + b + c = 22, a has the value 0.5 to 20, b has the value 1 to 18, c has the value 0.5 to 11 and c=4.4 + b.  The catalyst may contain a silica carrier or may be admixed with porcelain or metallic rings.  The catalyst may be employed in the form of a fluidized bed and a secondary source of molecular oxygen may be added to the reaction zone.  Specifications 867,438 and 874,593 are referred to.ALSO:A catalyst composition for use in the vapour phase production of methacrylonitrile from isobutylene comprises a mixture of oxides of antimony, molybdenum and bismuth, optionally with further amounts of oxides of phosphorus, represented by the empirical formula PnSbaMobBic, wherein n=0 to 12, a+b+c=22, a=0,5 to 20, b=1 to 18, c=0,5 to 11, and c\sE4,4+b.  The catalyst may also be admixed or chemically combined with a silica carrier, or supported on diatomaceous earth.  Specifications 867,438, 874,593 and 1,000580 are referred to.
Patent GB-186596-A (GB)
Title: Improvements in the blades of internal combustion turbines
IPC: F01D5/18
Filed: 1922-09-01
Abstract: 186,596. Soc. Italiana E. Breda. Sept. 26, 1921, [Convention date]. Cooling parts.-The blades for internal-combustion turbines are provided with two cooling-water ducts a, b which communicate with each other through a transverse hole e, and which are closed at one end by a screw-plug c, d of diameter larger than the maximum dimension of the duct section, and at the other end by tubes p, q which are expanded in separate holes made in the rim of the wheel on which the blades are mounted. The limiting surfaces of the ducts follow the convex and concave surfaces of the blades.
Patent GB-171759-A (GB)
Title: Improvements in or relating to boot or shoe finishing machines
IPC: A43D95/26
Filed: 1920-08-17
Abstract: 171,759. Woodcock, R. B., and British United Shoe Machinery Co., Ltd. Aug. 17, 1920. Polishing-machines.-In a top ironing machine for boots and shoes of the type in which solid wax is melted on contact with a heated tool, automatic feed of the wax is controlled by the work. A stick 20 of wax is placed in a trough 5 mounted on a bracket 4, which is pivoted at 3 to the machine standard and is provided with a nose piece 6 adapted to be engaged by a flange 7 on the sspindle 2 of the usual top ironing tool 1. The stick 20 is pressed against the tool by a rod 10 passing through guides 11 and secured to a member 9, which is slidably mounted on a tube 8 and is actuated by a flat-scroll spring 12 housed in a drum 13. An adjustable brake member 17 is arranged to be engaged by the upper surface of the rod 10 under the action of a spring 18, which is attached at its ends to the bracket 4 and the machine standard. When the tool is lifted by contact with the work the flange 7 tilts the bracket 4 against the influence of the spring 18 to remove the rod 10 away from the brake member, and the spring 12 then forces the rod forwards to press the wax stick against the tool. When the work is removed, the bracket is moved backwards and the brake member then locks the rod 10 against further forward movement.
Patent GB-448972-A (GB)
Title: Underwear for women and girls
IPC: A41B9/06
Filed: 1935-08-27
Abstract: 448,972. Wearing-apparel ; stitched seams. SCHRANK, M. C., 109, Lake Street, Bridgeton, New Jersey, U.S.A. Aug. 27, 1935, No. 24005. [Classes 112 and 141] A slip comprises a front portion 10 preferably in one piece which is joined by means of vertical seams to a back portion consisting of a central piece 11 and narrower side pieces 12, the central piece 11 being substantially less in width than the front portion 10. The pieces 11, 12, may each be in one piece, Fig. 3, or in two pieces, Fig, 1, joined together by means of a horizontal seam below the level of the hips. In the latter case, the upper pieces are formed preferably from bias-cut fabric. A shadow-proofing panel 13 is stitched at its upper edge and at one of its side edges to the lower back portion of the slip. The seams are formed preferably as shown in Fig. 8, by passing a stitch 6 through the plies of the hem 5 which is formed by twice doubling over the edge portions of the plies 1, 2, opening out the plies 1, 2, so that they extend in opposite directions, and then passing an anchoring stitch 7 through all of the superimposed plies. In a modification where a bias-cut portion is to be joined to a portion cut on the straight, the latter is doubled over at its edge and stitched to the overlapping edge of the bias-cut fabric.
Patent GB-901702-A (GB)
Title: A water-absorbing porous substance for use in the paper making industry
Inventor: HAMANO TATSUJI
IPC: D21F7/08
Filed: 1958-07-25
Abstract: Porous polyvinyl acetal is prepared by coagulating by heat an aqueous emulsion containing polyvinyl alcohol, an aldehyde, an acid, an oil and an emulsifying agent.  The compositions in the examples contain: (Example 1) polyvinyl alcohol, hydrochloric acid, formaldehyde, kerosine, agar-agar, polyoxyethylene cetyl ether and water; as Example 1 but with solvent naphtha instead of kerosine; (Example 2) polyvinyl alcohol, polyoxyethylenesorbitan monolaurate, water, polymerized rape oil or soya bean oil, hydrochloric acid, formaldehyde and butyraldehyde; (Example 3) polyvinyl alcohol, ethyldimethylbenzylammonium chloride, viscous mineral oil, sulphuric acid, formalin and glyoxal; (Example 4) polyvinyl alcohol, alkaryl sulphuric acid, hexamethylenetetramine, acetaldehyde, kerosine and sulphuric acid; and (Example 5) as Example 1, except that paraformaldehyde and nonaldehyde are used instead of formaldehyde. The compositions are used in coated fabrics and laminates (see Group VIII).ALSO:Porous polyvinyl acetal is prepared by coagulating by heat an aqueous emulsion containing polyvinyl alcohol, an aldehyde, an acid, an oil and an emulsifying agent.  The compositions in the examples contain: (Example 1) polyvinyl alcohol, hydrochloric acid, formaldehyde, kerosine, agar-agar, polyoxyethylene cetyl ether and water; as Example 1 but with solvent naphtha instead of kerosine; (Example 2) polyvinyl alcohol, polyoxyethylenesorbitan monolaurate, water, polymerised rape oil or soya bean oil, hydrochloric acid, formaldehyde and butyraldehyde; (Example 3) polyvinyl alcohol, ethyldimethylbenzylammonium chloride, viscous mineral oil, sulphuric acid, formalin and glyoxal; (Example 4) polyvinyl alcohol, alkaryl sulphuric acid, hexamethylenetetramine, acetaldehyde, kerosine and sulphuric acid; and (Example 5) as Example 1, except that paraformaldehyde and nonaldehyde are used instead of formaldehyde. The compositions are used in coated fabrics and laminates (see Group VIII).
Patent GB-1090181-A (GB)
Title: Improvements in or relating to auger pumps
Inventor: DYKE EDWARD DAVID
IPC: F04B19/12
Filed: 1963-06-17
Abstract: 1,090,181. Screw conveyer. GASCOIGNES (READING) Ltd. June 12, 1964 [June 17, 1963; Sept. 10, 1963], Nos. 24079/63 and 35743/63. Heading B8A. [Also in Division F1] A screw conveyer for dry flowable materials such as grain, and slurries such as effluent from pig and cattle yards, has a worm 5, Fig. 1, arranged in a casing 4 of U-shaped, square (Fig. 3, not shown), or preferably hexagonal crosssection. The top three sides of the hexagonal casing form a removable or pivotally-openable cover 7 secured to side braces 16 extending the whole length of the casing 4. The casing 4, provided with an outlet 24, is pivotally mounted at 6, on a stand 1 at an angle adjustable by a chain 23 or the like connected to a steel tube 22. The casing may be mounted on a wheeled frame for transportation. The casing braces may be received and clamped along any part of their length in slots in vertical supports (15), Fig. 2 (not shown), connected by a bar (14) passing through a sleeve (13) fixed to a pedestal bearing (12). This arrangement permits sideways and vertical swinging of the casing relative to the stand (1). The stand is provided with tractor connection means (25). The worm shaft 8 may be journalled in a bearing at each of its ends or at its upper end only in a bearing 9 which is pivotable vertically to permit the worm 5, when inoperative, to rest on the casing 4. The lower part of the easing and worm may be removable to facilitate transportation, cleaning and maintenance. The power take-off shaft of a tractor may drive the worm 5 through a shaft 20, gear-box 19, shaft 21 and a transmission in a housing 10 carried by the side braces 16. In addition to the means for driving the worm by a tractor, the conveyer may carry an electric, hydraulic or pneumatic drive or a diesel engine for driving the worm, a clutch being provided to select the required power source. The pitch and diameter of the worm and the distance across flats of the hexagonal casing may be 6, 9 and 9À25 inches respectively. In an alternative embodiment, Fig. 3 (not shown), the lower end of the worm shaft is connected through a gear-box (30) or ball joints or other means to one or more subsidiary worms 32, 33 feeding the main pit and extending perpendicular to the main worm. The connecting gear-box may contain remotely controlled clutches permitting a desired selection of worms to be driven by a single power source. The subsidiary worms may be independently driven.
Patent GB-1495487-A (GB)
Title: Window wiping apparatuses
IPC: B60S1/08
Filed: 1976-06-10
Abstract: 1495487 Vehicle window wipers MOORE REED & CO Ltd 10 June 1976 24116/76 Heading A4F [ Also in Division H2] Window wiping apparatus comprises a stepper motor driving a window wiper and being energized by signals from a drive circuit. The apparatus is particularly applicable to a vehicle (for example a military one) fitted with a radio receiver, since the stepper motor does not produce interference therewith. In the circuit shown, a four phase stepper motor 12 is directly coupled to a wiper arm 10 and is supplied from power amplifiers 20 receiving driving signals from a phase splitter 18 fed from an oscillator 16, whose frequency is adjustable continuously or stepwise to vary the motor speed. The motor is reversed at each extreme position of the arm 10 by a counter 22 and reversing circuit 24, which are responsive to a predetermined number of output signals from the phase splitter 18, corresponding to movement of the motor to one or other position, to cause the phase splitter to reverse its signals. When the motor is de-energized, means (not shown) cause it to continue to rotate until an extreme position is reached. In a modification, Fig. 2 (not shown), the movable contact (40) of a changeover switch moves with the arm 10 and engages a fixed contact (36, 38) at the extreme positions thereof, the fixed contacts being connected to the inputs of a bistable circuit (42) controlling the phase splitter 18, whereby the signals of the latter are reversed when the movable contact engages the fixed contacts.
Patent GB-1062014-A (GB)
Title: Improvements in or relating to agricultural vehicles for the loading, transporting and unloading of crop
IPC: B60P7/08
Filed: 1964-06-10
Abstract: 1,062,014. Gathering crops. PATENT CONCERN N.V. June 10, 1964 [June 19, 1963]. No. 24170/64. Heading B8E. An agricultural vehicle 1 is provided with a loose flexible springy open framework 12, 10 attached to the vehicle and to a framework 14, 19 pivoted at 17 to the framework, and with fixed side partitions 9. Normally, the framework is collapsed on to the platform. In use, crops lying on the ground are gathered by device 5 as the vehicle moves and are projected upwards within the framework so that the framework gradually expands to the position shown until the vehicle is completely loaded. The vehicle also carries chains 24 and the material fed by device 5 is moved backwards by endless conveyer 26 to assist the loading.
Patent GB-1064770-A (GB)
Title: Process for passing a fluid/solids mixture through a process system
IPC: B01D15/18
Filed: 1965-06-08
Abstract: A process for passing a mixture of a fluid and particulate solids through a process system at a predetermined flow-rate comprising diluting the mixture with a fluid, passing the diluted mixture through regulating means, subsequently separating a more concentrated mixture and fluid from the mixture, and recycling at least part of the fluid separated from the diluted mixture as diluting fluid; is applied to the removal of benzene from a C4-6 paraffinic isomerization feedstock by contact with a solid absorbent, e.g. silica gel, in a rotating-disc contactor, e.g. as described in Specification 966,000.  Benzene is subsequently stripped from the silica gel slurry by hot benzene-free isomerization product and the resulting mixture used in gasoline blending.ALSO:A process for passing a mixture of a liquid and an absorbent through a process system at a predetermined flow rate, which comprises diluting the mixture with a liquid, passing the diluted mixture through regulating means, subsequently separating a more concentrated mixture for the process and liquid from the mixture, and recycling at least part of the liquid separated from the diluted mixture as diluting liquid. Examples of solid adsorbents are metallo-aluminium silicates, activated carbon, charcoal and natural or synthetic zeolites. Particle diameters are between 5 microns and 50 mm.
Patent GB-586248-A (GB)
Title: Improvements in or relating to fluid-operated feed-apparatus for machine tools
IPC: B23B47/22
Filed: 1944-12-06
Abstract: 586,248. Actuating machines. EVANS, F. H. Dec. 6, 1944, No. 24432. [Claas 83 (iii)] [Also in Group XXIII] In fluid-operated means for controlling the feed of a machine, a piston 13 working in a compressed-air cylinder 12 is connected to a piston 19 working in a cylinder 18 of liquid fed from a reservoir 24, the port 20 passing the ejected liquid during the working stroke and being controlled by a valve 21. A port 23 allows rather free ejection of the liquid on the quick-return stroke whilst a further port 25 restricts the flow when the port 23 is covered by the piston to cushion the return stroke. The port 23 also allows liquid to flow back into the cylinder at the end of the feed stroke.
Patent GB-865537-A (GB)
Title: Improvements in or relating to reinforcement rods for concrete structures
IPC: E04C5/03
Filed: 1957-08-01
Abstract: 865,537. Making concrete reinforcement rods; altering physical structure. TOR-ISTEG STEEL CORPORATION S. A. H. Aug. 1, 1957 [Aug. 2, 1956], No. 24452/57. Classes 83 (2) and 83 (4). A reinforcement rod for concrete comprises a core 1 devoid of external longitudinal grooves or depressions but formed along the exterior thereof with longitudinal ribs or edge portions 2, and formed also with transverse ribs 3 which are disposed between and all similarly inclined with respect to the longitudinal rib or edge portions, the rod being cold-twisted about its longitudinal axis in such manner as to extend the transverse ribs in the direction of their length and to deform the longitudinal ribs or edge portions into non-parallel relationship with respect to the axis of the rod. The transverse ribs may terminate before reaching the longitudinal ribs as shown at 4 (Fig. 2) and the cross-section of the rod may be circular, square, hexagonal, octagonal or triangular.
Patent GB-190237-A (GB)
Title: Method of, and apparatus for, automatically producing tungstic oxide in a dried and powdered condition
IPC: C01G41/00
Filed: 1921-09-14
Abstract: 190,237. British Thomson - Houston Co., Ltd., (General Electric Co.). Sept. 14, 1921. Film evaporators.-A method of preparing tungsten oxide in a dried and powdered condition consists in providing a supply of the washed precipitate mixed with liquid of a neutral character to form a thin paste, depositing the paste upon a heating-surface in a thin layer, and removing the dried layer from the surface so as to break up the layer into a powdered condition. According to one set of means for carrying out the invention, the precipitate flows from the settling tank into a trough 11, Fig. 1, having reciprocating agitators 12, and through an adjustable opening in the side of the trough and a shoot 24 into a pool formed by a dam 30, Fig. 2, which is substantially in fluid-tight contact with the steam-heated rotary drum 28. A thin film of paste adheres to the drum and after being dried is removed by a reciprocating brush 56 in the form of a powder, which falls into a receptacle 70. The drum is rotated through worm-gearing from a shaft 22, which may be rotated in opposite directions by operating the clutch 82 through a lever 85 so as to engage with either of the gears 76, 77; these are driven through a gear-box 72 from an electric motor 71. The brush is built up of elements 57, Figs. 6 and 7, secured to a flexible back 58 enclosed within a block 59, which slides in a guide 60 carried by the frame 39. The brush is held resiliently against the surface of the drum by spring-pressed rollers 61 secured to a member 63 carried by the frame. Both the agitators in the trough and the brush are reciprocated through cranks and rods from the shaft 22. The speed of the brush can be varied by change-gearing.
Patent GB-352776-A (GB)
Title: Spring wheel
IPC: B60C7/18
Filed: 1930-08-16
Abstract: 352,776. Spring wheels. PARSONS, J. W., 55, Devonshire Road, Palmers Green, London. Aug. 16, 1930, No. 24554. [Class 144 (i).] Helical springs e are fitted between the wheel rim c and a series of shoes b to which hard rubber tread segments a are secured by bolts g, metal sleeves h being fitted around the bolts. Guide-plates f fitted to the shoes are adapted to slide within the channelrim c. The springs are adjusted by means of bolts d which may be fitted with rubber washers to prevent undue shock.
Patent GB-442418-A (GB)
Title: Improvements in or relating to rotary engines
IPC: F04C18/352
Filed: 1935-09-03
Abstract: 442,418. Rotary engines. MABILLE, R., 22, Rue du Viaduc, Brussels. Sept. 3, 1935, Nos. 24575 and 24576. Convention dates, Sept. 8, 1934 and July 18, 1935. [Class 110 (ii)] A rotary engine or pump of the sliding- rocking vane type is provided with rollers 12 mounted in the semi-cylindrical blocks 11 which allow the rocking movements of the vanes 8 during their reciprocations in the rotor 2. The blocks 11 may be divided into two or more parts and packed by serrations 40 on the line of division, and springs may force the parts apart. The vanes are pivotally mounted upon a stationary stub shaft fixed to one end of the casing, concentric with the casing bore. Spaces 12<1> are allowed between the rollers 12 and their spindles 13, but bearings may be inserted. Spring-pressed caps may be used to keep the roller bearings 14 in position. The vanes are fitted with spring-pressed serrated T-shaped packing pieces at their ends. At the tips packing bars 16 are inserted, each comprising two strips bent inwards at the ends which tends to spring the strips longitudinally towards the stator ends. Packing bars 17 are pressed by springs against the vanes, and further bars arranged in the rotor sockets S press on the curved surfaces of the blocks 11. Curved packing bars 18 engage in grooves in the stator ends. Rotary inlet and exhaust valves 31, 32 and 33, for the fuel and exhaust gases, are rotated by gearing from the engine shaft. Recesses 35 are provided to increase the size of the working chambers.
Patent GB-1435362-A (GB)
Title: Valves for pressurised dispensers
IPC: B65D83/14
Filed: 1973-05-23
Abstract: 1435362 Pressurized dispenser valves AEROSOL INVENTIONS & DEVELOPMENT SA 14 May 1974 [23 May 1973] 24614/73 Heading F1R The stem of a valve normally sealed by a surrounding gasket is moveable beyond its normal opening stroke so that the stem is no longer sealed by the gasket and the stem may be held by the gasket in this position so that a container fitted with the valve is permanently vented. As shown in Fig. 3 a reduced portion of the stem 2 does not seal with the gasket 3 and forms a shoulder 14 which engages the gasket to hold the stem in this position. The reduced portion may comprise a groove Fig. 4 (not shown). The stem may be so short that it can be pushed into the gasket so that the upper end engages the underside of the gasket, and it may have an extended stalk to facilitate this Fig. 5, 6 (not shown). The shoulder 14 may be chamfered to allow the valve to be self closing, and the stem further reduced to have clearance with the gasket 3 so that a container can be gassed rapidly.
Patent GB-1116034-A (GB)
Title: Gas ignition and control system
Inventor: YOUNG HERBERT EDWARD
IPC: F23N5/02
Filed: 1966-06-02
Abstract: 1,116,034. Valves. CONCENTRIC CONTROLS Ltd. 23 May, 1967 [2 June, 1966; 1 Oct., 1966], Nos. 24620/66 and 43954/66. Heading F2V. [Also in Division F4] In a burner control system (Divisions F3- F4) including main and subsidiary gas valves 18, 32 housed in a unit 16, the valve chamber 17 of the unit 16 also houses an expansion chamber formed by discs coupled to a chamber 27 containing mercury heated by a subsidiary burner (45) so that boiling of the mercury causes the expansion chamber to move an abutment 28 to engage a screw 29 on the beam 20 of valve 18 and move a valve member 19 from its seat. The subsidiary valve 32 comprises a valve member 33 mounted on a bi-metal beam 34 about which is wound a heating coil 37 connected in series with the igniter coil of the pilot burner (46) and a switch (52) operated by a clock (53) so that when the switch operates to complete the ignition circuit the valve 32 is opened, after a short delay, to supply gas to the subsidiary and pilot burners.
Patent GB-1284255-A (GB)
Title: Brush
Inventor: ROTH ERIC MICHAEL
IPC: A46B7/02
Filed: 1971-04-19
Abstract: 1284255 Brushes E M ROTH 19 April 1971 [20 March 1970] 24669/71 Heading A4F [Also in Division B4] A brush comprises a handle 20 extending slidably through a passageway in a body 10 carrying bristles, the handle 20 being slidable between two positions in which one end and the opposite end, respectively, extends from the body 10, means for releasably fixing the handle 20 in either position, and means preventing rotation of the handle relative to the body in said two positions. The handle 20 is held in either of its two extended positions by the engagement of a projection 22 thereon between a stop surface 24 and a resilient depressible dimple 26 within the body 10. The handle 20 and the passageway in the body 10 are shaped to prevent relative rotation of the components 10, 20. The body 10 carries a pile fabric 12 having bristles inclined in planes perpendicular to the longitudinal direction of the handle 20.
Patent GB-1218905-A (GB)
Title: Applying decals
IPC: B29C51/00
Filed: 1969-05-15
Abstract: 1,218,905. Transfers. CORNING GLASS WORKS. 15 May, 1969 [16 May, 1968; 21 June, 1968], No. 24763/69. Heading B6C. Application of transfer film 12 and design 13, whicn together with base 11 constitute transfer 10, to the curved surface of dish 15, is facilitated by providing at least one hole 14 in base 11. When the housing constituted by members 16 and 19 is exhausted through passage 19a and conduit 23 air entering through hole 14 exerts a force on film 12. Exhaustion of passages 20a adjacent passage 19a retains base 11 against the upper member 19, so that film 12 is separated from it. Pressurized gas may be supplied through conduit 27, rather than air. The transfer 10 may incorporate a watersoluble glue to hold film 12 to base 11, and be wetted before being placed between members 16 and 19, or may incorporate a thermalsensitive adhesive such as wax for the same purpose. Adhesive for holding design 13 to dish 15 may cover design 13, or may be placed on dish 15 before application of design 13. After design 13 is applied to it, the dish 15 may be fired.