baber/WOPTO huggingface dataset:
Patent GB-939229-A (GB)
Title: Stabilizing polypropylene polymers
Inventor: THOMPSON WILLIAM EDGEWORTH
IPC: C08K5/18
Filed: 1960-06-28
Abstract: Polypropylene is stabilized with 2,21-methylene-bis-(4-Me-6-tBu phenol), 2,21-methylene-bis-(4-Et-6-tBu phenol), 4,41-thio-bis)6-tBu-m-cresol) or N,N1-di-sec. octyl-p-phenylenediamine.  The stabilizer may be incorporated with the aid of a saturated hydrocarbon solvent.  The products find application as moulded products, in food packaging and as conduits for fluids.
Patent GB-942559-A (GB)
Title: Production of boron phosphide
IPC: C30B25/00
Filed: 1960-06-29
Abstract: Crystalline boron phosphide is prepared by reacting a volatile boron suboxide and phosphorus vapour at 1000-1800 DEG  C. in the gas phase. The suboxide includes the polymers (BO)x, e.g. B2O2, and may be prepared by reducing boricoxide with B, C, Al, or Si.  The reactants, which may be in a carrier gas, e.g. A, He, or Ne, are mixed in the reaction chamber, when single crystals are formed. Sub-, or super-atmospheric pressure may be used e.g. 0.5-5 atmos. Polycrystalline BP is formed by passing P over a mixture of boric oxide and B.
Patent GB-227786-A (GB)
Abstract: 227,786. Soc. Aron. des Etablissements A. Olier. Jan. 17, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Fats and fatty oils, extracting by pressure.- Oleaginous grains and nuts are treated for the removal of skins and for dehydration before extraction in a press. The grains &c. are supplied from a regulated feeder 41 to a series of cylinders 43 - - 46 in which work brushes or beaters 51 that detach the skins and move the grains &c. through the cylinders. The lower cylinders 45, 46 are steam-jacketed and hot air from a pump 57 and heater 58 is passed upwards through the cylinders. Moisture and skins are carried away by the air, the skins being deposited in a. chamber 62 from which they may be discharged either into the press by a passage 66 or outside the apparatus. A grinding-mill may be arranged to crush the grains &c. before entering the cylinder 43 or between the cylinders 44, 45. The passages 66, 69 are fitted with dampers so that the hot air can be distributed to the press 56 as well as to the cylinders 43 - - 46 to heat the apparatus before introducing the grains &c.
Patent GB-1018972-A (GB)
Title: Turbine driven compressors
Inventor: CLARKE JOHN STANLEY
IPC: F02C6/12
Filed: 1962-06-14
Abstract: 1,018,972. Turbine-driven compressor assemblies. JOSEPH LUCAS (INDUSTRIES) Ltd. June 6, 1963 [June 14, 1962], No. 22863/62. Heading FIT. In the turbine-driven supercharger shown, engine exhaust gas is fed through an inner housing 5, Fig. 1 (not shown), driving a turbine comprising an inner stator 8 carrying blades 9 and a rotor 14 carrying blades 15 on its inner periphery. The compression comprises stator blades 13 carried by an outer housing 10 and co-operating with blades 16 on the outer periphery of the rotor 14. A centrifugal final stage may be provided. Preferably, the rotor 14 is formed in two parts to define axially extending passages 19, see also Fig. 2 (not shown), through which coolant, which may be obtained from the compressor outlet 12 can be passed. The compressor and turbine may be transposed.
Patent GB-267017-A (GB)
Title: Improvements in fire extinguishing apparatus
IPC: A62C5/00
Filed: 1926-09-16
Abstract: 267,017. Weidmann, L., and Tittel, E. Sept. 16, 1926. Fire-extinguishing by solutions. - In an extinguishing apparatus of the kind wherein a stream of water under pressure is passed into a vessel where it becomes impregnated with a chemical or substance contained therein, the vessel 6 is divided into upper and lower chambers 1, 5 by a perforated plate 2 upon which the chemical, for example the extinguishing composition described in Specification 268,711, rests. A water supply pipe 7 provided with a valve 9 has a mouth 8 arranged just above the plate 2 so that the entering water agitates the chemical. The solution or suspension produced passes into the chamber 5 and is delivered by a pipe 10 controlled by a valve 11. A by-pass 12 controlled by a valve 13 allows pure water to be passed to the fire, for example while the vessel is being recharged with chemical through an opening 4. In a building, these apparatus may be arranged on each floor and be so linked that an extinguishing jet may be delivered to one or several points. In a modification, the vessel is mounted on a wheeled carriage and delivers the solutions formed to a lower, by-pass, mixing chamber. The valves may be so operated that the solution is expelled by the pressure of the gases generated in the vessel. Several chemical chambers 1 may be connected to one lower chamber 5. In another modification, the apparatus is mounted on a fireengine.
Patent GB-593581-A (GB)
Title: Improvements in or relating to tractor-drawn vehicles or implements
IPC: B62D53/02
Filed: 1945-12-13
Abstract: 593,581. Motor vehicles: driving gear; steering. BLAW KNOX, Ltd., and CONACHER, J. E. Dec. 13, 1945, No. 22902/44. [Classes 79 (i), 79 (ii), 79 (iii) and 79 (v)] [Also in Groups XXI and XXXII] A vehicle comprises a tractor 1 mounted on a pair of wheels 10, which are driven from a power unit 4 by means of a differential gear 8 and shafts 24, one end of each shaft meshing with the gear 8 whilst the other end having a toothed wheel 23 keyed to it drives an idler wheel 20 and thence a wheel 19 keyed to the wheel shaft 14 which also carries a brake drum 17. The vehicle also comprises a trailer consisting of a frame supported on wheels 37 and carrying a scraper bowl. The connection between the tractor 1 and the trailer consists of a non- rotatable pintle 26 bored at its upper end to form a bearing for a rotatable hinge pin 28. Above the pintle 26 there is provided a king pin 29 the lower end of which is bifurcated as at 30 and secured to the pin 28 so that it may rock in a plane transverse of the length of the tractor but not in one parallel to it. The pin 29 rotatably supports a sleeve 31 which forms part of the draft yoke of the trailer and permits rotation of the tractor 1 and the trailer about a vertical axis through a king pin. Steering is effected by means of a stirrup member 81 having two arms, one on each side of the pintle, connected to a shroud 82 which has secured to it a sprocket ring 83, the member 81 being connected to a bracket 85 so that the shroud is anchored to the draft element. On each side of the shroud is a ram 88 secured to the tractor chassis and having at its outer end a support 89 for a sprocket wheel 90. A chain 91 passes around the sprocket wheel and engages the back of the sprocket ring, the ends being attached to the supports 89. Movement of the ram to cause an increase in length of the chain on one side of the sprocket ring, with a'corresponding reduction in length on the other side, results in a force being exerted on the fixed sprocket ring so that the reaction pressure on the rams will rotate the tractor about the pintle. Reference has been directed by the Comptroller to Specification 586,303.
Patent GB-311610-A (GB)
Title: Lubrication system for fluid pressure engines
IPC: F01M5/00
Filed: 1928-08-09
Abstract: 311,610. Walford, E. W., (Soc. Anon. des Anciens Etablissements Hotchkiss et Cie, and Ainsworth, H. M.). Aug. 9, 1928. Force-feed lubricating.-In a fluid-pressure engine having an electric starting motor 3 which is normally stationary, an auxiliary gear or other rotary oil pump 2 is attached to or permanently connected directly with the armature shaft so as to deliver oil through a pipe 7 to the cylinder walls or other parts when the motor is running. The pump draws from the engine sump through a pipe 5.
Patent GB-1057834-A (GB)
Title: Apparatus for glazing porcelain, earthenware and chinaware articles
Inventor: MANN WOLFGANG
IPC: B28B11/04
Filed: 1964-06-03
Abstract: <PICT:1057834/C1/1> <PICT:1057834/C1/2> A glazing device comprises a conveyer 2, for transporting workpieces to a feed regulator 5, a rotary charging device 3 for feeding the workpieces into rotatable perforated plate-like workpiece holders 4 mounted on a rotatable circular platform 1, a glazing zone 6 located radially of the circular platform for applying glaze to workpieces passing therethrough, a means 12 for rapidly decelerating the rotating workpiece holders 4 as they leave the glazing zone 6 and a rotary take-off device 13 for transferring the glazed workpieces from the holders 4 on to the conveyer 2 beyond the charging device 3.  The holders 4 are adapted to be rotated in the glazing zone 6 by an infinitely variable speed drive.  Adjustable discharge nozzles 7 are arranged in the zone to glaze the workpieces, the nozzles being fed from a reservoir 8 into which excess glaze flows back through a filter 11. The articles to be glazed may be porcelain, earthenware or china.
Patent GB-644746-A (GB)
Title: Improvements in vacuum brake apparatus for railway and like vehicles
IPC: B60T13/46
Filed: 1949-09-01
Abstract: 644,746. Vacuum brakes. GRESHAM & CRAVEN, Ltd., and STEVENS, W. C. I. Sept. 1, 1949, No. 23016/48. [Class 103 (i)] An electrically-operated vacuum brake apparatus for railway and like vehicles comprises a control handle k operating, together with a normal type of driver's brake valve for admitting air into the brake pipe b to effect a brake application, an electric controller, incorporating a trigger-operated switch p, which controller governs the operation of pairs of solenoid valves f, d and g, e fitted on each vehicle, these valves providing a graduated application and release and independent quickrelease of the brakes which is supplementary to the normal pneumatic control by the brake pipe b. The solenoid-operated valve f, d is an application valve for admitting air by port n to the brake pipe b and to a direct air admission valve h. The solenoid-operated valve g, e is a double beat release valve which when on its lower seat, admits air from the brake pipe b or the port n by valve d to the direct air admission valve h to apply the brakes and when on its upper seating effects communication between the vacuum reservoir by valve h to the lower side of the piston in cylinder i to effect a quick release of the brakes. An electrically-controlled stop valve o is also fitted which controls the connection of the exhausters to the brake pipe b. The driver's control handle has five positions, Release, or Off, Run, Lap, On and Neutral, and the electrical connections shown in Fig. 3, are such as to provide operation as follows. In the Release position the exhauster is speeded up and the trigger switch p, 14 may be used for electrically releasing the brakes by operating valve g, e. In the Run position the exhauster is run at its normal speed and in the lap position the exhauster is cut off by valve o, the trigger switch being used in these two positions to effect a graduated application by operation of valve f, d. In the On position, the driver's air admission valve admits air to the train pipe and the application valves are opened independently of the trigger switch. In the Neutral position all electric contacts are open and pneumatic connections blanked off.
Patent GB-285519-A (GB)
Title: Improvement in or relating to the control of the lighting system and glare prevention devices on motor vehicles and the like
IPC: B60Q1/14
Filed: 1926-09-18
Abstract: 285,519. Harrison, W. M. Sept. 18, 1926. Anti-dazzle screens.-In an anti-dazzle arrangement of vehicles, a selenium cell 9, Fig. 2, or like light-sensitive cell, is enclosed in a tube or boxlike casing 10 which is provided with an apertured screen 13 and with a lens 12 of such form that the cell 9 is affected principally by the headlamps of approaching vehicles. The casing 10 may also be provided with a concentrating lens 11. The cell 9 is electrically connected so that, when sufficient light falls upon it, an antidazzle screen or like device is drawn into the line of vision of the driver. The cell 9 is adapted to energize a relay winding which moves a contact arm 20, Fig. 6, on to a fixed contact 19 to energize a solenoid 5 or like device. A steadying solenoid 27 is also energized to withdraw a spring- mounted stop 26, Fig. 4, from a recess 24 so as to allow the solenoid 5 to operate the screen. During this movement the stop 26 enters a recess 24', to hold the screen in the extended position, and a spring-contact or slider 28 leaves a stripcontact 25 and engages a strip 25', so that the circuits of the solenoids 5, 27 are broken and no current is consumed. When the cell 9 is no longer affected, the arm 20 returns to a fixed contact 18, the solenoid 27 is again energized, and the stop 26 is withdrawn from the recess 24'. The screen then returns to its normal position by gravity or spring means, the stop 26 enters recess 24 and the contact 28 leaves strip 25<1> to break the circuit of the solenoid 27. ' The recesses 24, 24<1> and the strips 25, 25<1> are arranged on a block 24 which may be made in telescopic or like form so that the range of movement of the screen can be, controlled. An additional.manuallycontrolled switch 30 also may be provided.
Patent GB-1115537-A (GB)
Title: Improvements in the sub-dividing of crystalline materials
IPC: B28D5/00
Filed: 1967-05-18
Abstract: 1,115,537. Splitting stone. O. THANING. 18 May, 1967 [30 May, 1966], No. 23174/67. Heading B5E. A method of subdividing a sheet of hard brittle crystalline material, such as quartzite, comprises the application of a vibratory pressure of predetermined frequency along a narrow predetermined path on the sheet and subsequently applying an impactive bending load to the sheet on either side of the predetermined path. The sheet of brittle material is laid on two sheets of resilient material, such as rubber, which rest on a platform 3 carried by a table 1 filled with concrete 2. The sheets of rubber are separated by a wedge-shaped member 4, the ridge of which is adapted to substantially align with the edge 13 of a clamp bar 6 when the latter is lowered over the sheet of brittle material and clamped via a spring- and-handle device 11,12. A percussive chisel is then moved along the edge 13 in order to form a line of weakness. Upon raising the bar 6 and striking the brittle material on either side of the wedge, the sheet is separated. In a modification, the line of weakness is formed by a pair of knife-edged rollers arranged above and below the sheet, both rollers being moved back and forth and simultaneously vibrated.
Patent GB-643570-A (GB)
Title: Apparatus for effecting compression or consolidation of ground
IPC: E02D3/074
Filed: 1949-09-07
Abstract: 643,570. Consolidating ground. MOSER, F. Sept. 7, 1949, No. 23184. Convention date, Sept. 10, 1948. [Class 107] A ground rammer comprises a plate 1 carrying eccentrically rotating weighted masses 2 exerting horizontal and vertical thrust components on the plate, and supporting members 7 at the sides of the plate adapted to be separately vertically displaced, permitting guiding of the plate by the horizontal thrusts when it is supported at one side only. A motor 6 on the plate drives meshing gear wheels 4 carrying the eccentric weights 2 in a casing 3. Levers 8 on pivots 9 at both sides of the plate carry pendulum supports 7 and toothed segments 10 meshing with gear wheels 11 on shafts 12 turned in opposite directions by bevel wheels 14 and a handwheel 16. To rotate the plate 1 forwardly to the left the left-hand support 7 is lowered and the right-hand support raised so that the rotating weights exert a turning moment. The supports 7 may be replaced by rollers, wheels or skids, which may be adjusted in height by separate liandwheels. For transporting the device a clutch arrangement may be provided whereby the wheel supports are raised and lowered simultaneously by turning the handwheel 16.
Patent GB-1502109-A (GB)
Title: Power servomotor for a vehicle braking system
IPC: B60T13/56
Filed: 1975-05-28
Abstract: 1502109 Vacuum servomotors BENDIX CORP 28 May 1975 [20 June 1974 (2) 1 July 1974] 23244/75 Heading F2F [Alsoin Division G3] A power servomotor comprises power portion 12 operated by pedal 20 to cause closure of communication between chambers 30 and 32 by surface 68 engaging seat 78 and opening of communication between atmosphere and chamber32 by cylindrical section 82 moving away from surface 68, resulting in leftward movement of piston assembly 114 to generate an hydraulic pressure in a large diameter first pressurizing chamber 134 which communicates with a second pressurizing chamber 146 via passage 152 and valve 156, chamber 146 being connected to rear brakes 16. At "vacuum runout" when chamber 32 is filled with air at atmospheric pressure valve 156 is closed and a valve 188, controlling communication between first chamber 134 and a relief chamber 136 connected to reservoir 144, is opened to reduce pressure in chamber 134 so that the area effective to generate pressure in chamber 146 is reduced from the area of chamber 134 to that of chamber 146 to provide an increased brake pressure for a given input force on pedal 20.  In a second embodiment the plunger 66 coupling pedal 20 with the actuator of valve 188 incorporates radial spring levers to convey "feel" of the brake pressure to the operator in the form of a reaction force on pedal 20. In other embodiments the plunger 66 may be rigidly coupled to the actuator of valve 188 and passages 138 and 141, communicating reservoir 144 with chambers 134 and 136 respectively, may house a ball valve and a ball tilt valve respectively, so that the connection between relief chamber 136 and reservoir 144 is closed when piston assembly 114 has travelled a certain distance, so insuring against a sudden drop in brake pressure in the event of vacuum failure.
Patent GB-756164-A (GB)
Title: A hydraulic chuck
IPC: B23B31/177
Filed: 1953-08-24
Abstract: 756,164. Chucks. LANDAUF, V. Aug. 24, 1953 [Sept.. 23, 1952], No. 23289/53. Class 83(3). A hydraulic chuck comprises body 1, Fig. 1, containing a sleeve 19 slidable axially by pistons 15, and jaws 16 supported in radial slots in the body and having portions engaging bevelled 'slots 20 in the sleeve so that axial movements of the sleeve move the jaws radially. The pistons 15, e.g. three, equally-spaced circumferentially in cylinders in the body, are urged by springs 17 in the jaw-opening direction and by hydraulic fluid in the jaw-closing direction. The liquid in reservoir 12, Fig. 3, is pressurized by a piston pump 2, actuated during rotation of the chuck by a tappet 3 having roller 4 engaging a stationary cam track 5, and supplied through non-return valve 14 to channel 28 which leads to accumulator cylinder 22 containing a spring-loaded piston 23. Cylinder 22 communicates with one cylinder 15 via channel 27 containing valve 25, this cylinder being connected to the others through channel 31, and the cylinders 15 are connected to the reservoir via channel 29 containing valve 26. Thus by closing valve 26 and opening valve 25, the jaws move inwards, and by opening valve 26 and closing valve 25 the jaws move radially outwards. The pump is stopped by a latch 10 engaging a groove 9 in piston 2, when the liquid pressure reaches a value sufficient to overcome spring 11.
Patent GB-1146663-A (GB)
Title: Improvements in universal joints
IPC: F16D3/40
Filed: 1965-06-01
Abstract: 1,146,663. Universal joints. C. GRUNDY. 24 May, 1966 [1 June, 1965], No. 23294/65. Heading F2U. In a Hooke's type joint wherein fork-ended shafts h, I, are coupled by an intermediate member comprising a block j having rightangled bores in which are fitted a long pin c and pair of half-pins b forming joint trunnion journals, the pins b, c, or bores, are provided with lubricant grooves d which connect a central reservoir, or opening, a with the trunnion journals. The reservoir a may be closed by a removable lubricant retaining cover m and/or fitted with an absorbent plug n, or the reservoir a may be open to an oil bath from which lubricant may be drawn centrifugally.
Patent GB-1208368-A (GB)
Title: Rare earth activated lanthanum and lutetium oxy-chalcogenide phosphors
Inventor: YOCOM PERRY NIEL
IPC: C09K11/84
Filed: 1968-05-16
Abstract: 1,208,368. Luminescent materials. RCA CORPORATION. 16 May, 1968 [9 Jan., 1968], No. 23313/68. Addition to 1,121,055. Heading C4S. A cathodo- and photo-luminescent material is of empirical formula where K<SP>1</SP> is at least one of La and/or Lu; K<SP>11</SP> is at least one of Y and/or Gd; M<SP>11</SP> is one of Dy, Er, Eu, Ho, Nd, Pr, Sm, Tb and Tm; O is oxygen; Ch is S, Se and/or Te; x is between 0À0002 and 0À2; and y is greater than 0 but does not exceed 0À2. Colour television red-emitting phosphors specified are La 1À683 Gd 0À187 Eu 0À13 O 2 S; La 1À719 Y 0À191 Eu 0À09 O 2 S; La 1À720 Y 0À095 Gd 0À095 Eu 0À09  O 2 S; and La 1À78 Y 0À10 Eu 0À12 O 2 S. Specified emissions range from 6160 to 6260. Preferably the phosphors are prepared by co-precipitating oxalates of K<SP>1</SP>, K<SP>11</SP> and M<SP>11</SP> from nitrates of same with oxalic acid, the precipitate being heated in air at 600 to 1300 C. then in an H 2 Ch atmosphere at 900 to 1300 C. A number of alternative methods of preparation corresponding to those in the parent Specification are described, each including a heat treatment in the 900 to 1300 C. temperature range. Reference is made to prior art lanthanum oxysulphide activated by both Eu and Sn which emits light on excitation by ultra-violet radiation and also upon subsequent infra-red radiation stimulation.
Patent GB-1469804-A (GB)
Title: Ramming or tamping device for compressing rubbish into exchange able containers open at the top
IPC: B30B9/30
Filed: 1974-05-24
Abstract: 1469804 Baling presses J OCHSNER & CIE AG 24 May 1974 [28 May 1973] 23444/74 Heading B5F [Also in Division B8] A refuse compactor comprises an hydraulic piston and cylinder assembly 12, 13 pivotally mounted between two stands 1 at its bottom and pivotally connected at its top to two parallel levers 15 which are pivotally mounted on the stands 1 at 16 and pivotally support a ramming member 18 at 17, two parallel control arms 20 are also pivotally connected at their opposite ends to the supports 1 and the ramming member 18 at 21, 22 respectively. A stirrupshaped shield 25 is pivotally mounted coaxially with the levers 15 and frictionally coupled therewith. An exchangeable container 5 in which the refuse is compacted, is supported on a table 4 mounted on two lifting piston and cylinder assemblies 3. In operation, when the shield 25 is manually pivoted downwards on to the container 5, a motor-pump unit 10, 11 for the piston and cylinder assemblies 3 and 12, 13 is switched on and raises the table 4 and moves the ramming member 18 in a compression stroke. Upon a predetermined maximum pressure, detected by a pressure controller (28), Fig. 5 (not shown), being reached, the motor-pump unit is reversed and the ramming member 18 and the shield 25 returned to their inoperative positions, Fig. 2 (not shown), by a spring (24), Fig. 5 (not shown). Suction of oil from the piston and cylinder assemblies 3 by the motor-pump unit is prevented by a one way valve, the pistons and cylinder assemblies 3 being obtained, when the container is full, through a valve (31), Fig. 5 (not shown).
Patent GB-1223910-A (GB)
Title: A sliding contact bearing material consisting of polytetrafluoroethylene and a filler
Inventor: KOPKE GUNTER
IPC: F16C33/20
Filed: 1968-05-17
Abstract: 1,223,910. Polytetrafluoroethylene compositions. KARL SCHMIDT G.m.b.H. 17 May, 1968 [7 June, 1967], No. 23702/68. Heading C3P. [Also in Division F2] A sliding contact bearing material consists of polytetrafluoroethylene and from 3 to less than 20% by volume, based on the volume of the bearing material, of a filler material having a hardness of at least 500 Vickers. In the examples the material consists of P.T.F.E. and silicon or an alloy powder AlSi25CuNiMg.