baber/WOPTO huggingface dataset:
Patent GB-1585011-A (GB)
Title: Process for the epoxidation of olefins
IPC: B01J31/00
Filed: 1978-01-31
Abstract: The epoxidation of olefins by hydrogen peroxide in the liquid phase, at a temperature of between 0 DEG C and 120 DEG C, is carried out by means of an arsenic-based catalyst, using an excess of olefin with respect to the hydrogen peroxide employed and continuously removing, by distillation or entrainment, the water introduced with the hydrogen peroxide and that formed during the reaction.
Patent GB-727700-A (GB)
Title: Improvements in or relating to solutions for fireproofing light weight cellulosic materials
IPC: D06M11/20
Filed: 1953-02-11
Abstract: Titanium dichloride diacetate is prepared by a vapour phase reaction between titanium tetrachloride and acetic acid.  Titanium dichloride dipropionate is made by first mixing basic lead carbonate with aqueous titanium tetrachloride while cooling, filtering to remove the lead chloride, diluting with water, and adding propionic acid. Titanium monochloride triformate is made by a process similar to that used for the production of titanium dichloride dipropionate. Specification 723,451, [Group VIII], is referred to.
Patent GB-1268646-A (GB)
Title: Support paper for electrophotographic copying materials
IPC: G03G5/10
Filed: 1969-01-23
Abstract: 1,268,646. Coated paper. RICOH K.K. 23 Jan., 1969 [24 Jan., 1968], No. 3945/69. Heading B2E. [Also in Divisions D2 and H1] A support paper for use in an electrophotographic material (see Division H1) comprises two or three layers. One of these layers, the central layer when there are three, is formed from lightly beaten pulp and has a low density, the other one is or two are formed from a more strongly beaten pulp and has or have ahigher density. The layers are united to form a single support, and one surface layer (the low-density one when there are only two layers) is rendered electro-conductive by coating it with polyvinylbenzyl-trimethyl ammonium chloride, sodium polyacrylate, glycol, polyethylene glycol, calcium chloride, sodium chloride or lithium chloride. In the Examples, the compound web is pressed and dried and coated on its high-density side with a composition comprising zinc oxide, styrenated alkyd resin, acrylic ester resin, toluene and a dye (Rose Bengal, Bromophenol blue, or fluorescein).
Patent GB-401539-A (GB)
Title: Pivotable window construction
IPC: E05D15/00
Filed: 1933-02-09
Abstract: 401,539. Hinges for windows. WIERSMA, G. D., 14, Thyhofslaan, Almelo, and WIERSMA, D. D., 13, Berg en Boschweg, Apeldoorn, both in Holland. Feb. 9, 1933, No. 4047. Convention date, Aug. 18, 1932. [Class 65 (ii).] A casement window is provided with sliding hinges to allow it to be reversed when required for cleaning purposes, and the lower sill carries a support member adapted to co - operate with a guide in the bottom rail of the window in order to support the window during sliding movement of the hinges. The window is provided at top and bottom with hinge-plates 3 having curled socket portions 3<a> engaging with projecting pivot pins 8 fixed on grooved blocks 11 which slide on metal guide members 12 fixed on the top and bottom frame members. For normal opening of the window, the upper hinge block 11 is held in place by a pin 19. To reverse the window, it is first opened until a channel guide 26 in its lower edge engages over a support 20, shown in detail in Fig. 5 ; the pin 19 is then withdrawn, and the hinge blocks 11 are slid along their guides until they reach stops 27, the window sliding and turning on the support 20 meanwhile, and the window is then disengaged from the support and opened further about its hinges. The support member 20 comprises a ball 23 mounted in a cylindrical member 22 slidable in a base 21, the ball and member 22 being forced upwards by a spring 24 ; the member 22 is able to tilt slightly against the action of the spring to allow of engagement with, or disengagement from, the guide 26 on the window. The hinged edge of the window is shaped as shown in Fig. 2 to prevent removal from outside even if the hinges are taken off. The guides 12 are arranged to prevent penetration of water.
Patent GB-105074-A (GB)
Title: Improvements in or relating to Covered Boot or Shoe Heels.
IPC: A43B21/00
Filed: 1917-03-21
Abstract: 105,074. United Shoe Machinery Co., (Assignees of Drey, W. J.). March 22, 1916, [Convention date]. Heels.-To facili tate repair, a heel covering is secured to the heel after this. has been permanentlv attached to the boot The covering comprises a segment-shapec piece 5, Fig. 6, oj leather, &c., with a flexible tying-means 6, such as a piece of wire or cord, secured along its upper edge. preferably beneath a fold 7. The cord &c. 6 is drawn tightly around the groove between the heel and upper, Fig. 3, and its ends are passed down through notches 10 in the sole and are then. secured together across the heel breast, where they are located in a groove 11. The body portion of the covering is preferably glued to the heel, and its end portions 8, Fig. 6, and its lower edge are turned in over the breast and bottom of the heel respectively. The heel is finished by gluing or otherwise securing in place a breast-piece 13, and attaching a top piece 12.
Patent GB-1469037-A (GB)
Title: Fluid pressure controlling device for brake system of wheeled  vehilce
IPC: B60T8/28
Filed: 1975-01-30
Abstract: 1469037 Fluid pressure brakes NISSAN MOTOR CO Ltd 30 Jan 1975 4139/75 Heading F2F A fluid pressure controlling device, for a vehicle hydraulic braking system capable of developing independent and variable first and second fluid pressures for the front and rear brakes of the vehicle, comprises a housing 32 with a stepped bore 34, a differential plunger 36 axially movable in the bore, a first inlet port 24 supplying the first fluid pressure to a first end face of the plunger, a second inlet port 26 fluidly separate from the first for supplying the second fluid pressure to a middle portion of the plunger, an outlet port 30 communicable with the second inlet port through the bore, a piston 56 axially movable in the bore opposite a second end face of the plunger, the piston and second end face being fluidly isolated from the first and second inlet ports; a first compression spring 58 between the second end face and the piston, a third inlet port 28 for supplying one of the fluid pressures to a face of the piston more remote from the plunger, a decelerationresponsive member 66 in the bore between the piston and the third inlet port; a valve seat member 78 to break the fluid communication between the third inlet port and the piston when the member 66 is seated on the seat member 78, the arrangement being such that the second fluid pressure is transmitted to the outlet port without modulation when the pressure magnitude is below a critical value but modulated to a third pressure when the said value is exceeded, the rate of increase of the third pressure being lower than the rate of increase of said second pressure; the areas of the plunger end faces being so related that the critical value is raised when the first pressure is not supplied to the first inlet port and the member 66 being seated on the valve seat when the device is subjected to a deceleration larger than a predetermined value to prevent the load on spring 58 from increasing, the said load being so regulated that the critical value is raised as the gross weight of the vehicle increases.
Patent GB-1416263-A (GB)
Title: Valve mechanism for controlling flow of fluid under pressure
IPC: F15B11/05
Filed: 1973-01-26
Abstract: 1416263 Valves KOEHRING CO 26 Jan 1973 [22 Feb 1972] 4146/73 Heading F2V A pressure regulator valve 25 for the control valve 8 of a fluid motor 5 comprises a bore with inlet 31, by-pass 30, feeder 32 and feedback 29 ports accommodating a spool 26 which is subject to the pressure in the port 32 at one side and to the pressure in the port 29 at the other, which spool is biased by a first spring 40 to the feed position when the port 29 is connected via valve 8 to the feeder port 32, and is biased in the opposite direction by the pressure at 38 when the port 29 is connected via valve 8 to exhaust 20 the force of the spring 40 being reduced in such a situation by a second spring 41 connected to the first spring by a piston 42. The piston is actuated by feedback pressure to disconnect the two springs so that the first spring acts with its full force on the spool. In the embodiment of Fig. 1, the two springs act in series whereas in the embodiment of Fig. 4, the two springs act on opposite sides of the spool and the second spring 100 is put in and out of connection with the spool by a piston 101 which is subject to the pressure at the port 95.
Patent GB-467688-A (GB)
Title: Improvements in or relating to controlling systems actuated by hydraulic pressure
IPC: B60T13/24
Filed: 1936-02-12
Abstract: 467,688. Hydraulic transmission of power. AUTOMOTIVE PRODUCTS CO., Ltd., VESTRAUT, G. VAN, and PARNELL, F. G. Feb. 12, 1936, No. 4276. Addition to 446,364. [Classes 69 (ii) and 135] [Also in Group XXXIV] The master piston of a liquid pressure tandem master cylinder unit according to the parent Specification is actuated by a servo-motor utilizing a source of power separate from the operator and controlled by a manually actuated member. The invention may be applied to a braking system; the servo-motor and tandem master cylinder unit may be directly connected together as a self-contained assembly for installation upon a vehicle chassis &c. The servo-motor may utilize fluid pressure or electrical or mechanical energy. In one form, Fig. 1, the piston 11 of a " vacuum booster " comprising a cylinder 10 connected to the induction manifold of a vehicle engine, is connected by link 12 to lever 13 the upper end 17 of which is connected at 18 to a lever 19 pivoted at 21 and actuating the control rod 20 regulating the suction effect in the cylinder 10 ; the operating pedal 27, pivoted at 28, is connected to rod 29 pivotally connected at 30 with the lever 13, the upper end of which comprises a bush 14 loosely embracing a spindle 15 pivotally mounted in the casing 16 and carrying an arm 22 pivotally connected at 23 with the lever 13 and having pivotally connected thereto at 24 the rod 25 which operates the master piston of the master cylinder unit 26. The arrangement described forms a followup mechanism, so that each position of the pedal 27 has a corresponding position of the actuating member 25. Instead of a vacuum cylinder, a similar arrangement may be incorporated for deriving power from compressed air or liquid under pressure. Alternatively, the servo-motor may be of the mechanical type comprising a member which is brought into slipping engagement with a moving part of the engine or transmission of a motor vehicle. In the modification of Fig. 2, a mechanical servomotor as described in Specification 439,882, [Group XXXIV], is employed. The master piston 55 of the tandem master cylinder unit is actuated by a push rod 56 connected to an applying lever 57 mounted on spindle 58 also carrying a lever 59 on which is mounted a hydraulic cylinder 60 the plunger of which is actuated by a pedal 61 pivoted to the lever 59. When the pedal 61 is depressed, liquid under pressure is introduced into the pipe 64 and a slipping clutch 62 is actuated to bring a drum 63 into frictional engagement with any convenient normally driven part of the motor vehicle, the rotation of the drum 63 being communicated through one or other of the cables 65, 66 to the lever 59 which is thus moved to an extent proportional to the depression of the pedal 61.
Patent GB-663285-A (GB)
Title: An improved chain wheel for a motor cycle
IPC: B62M9/10
Filed: 1949-02-18
Abstract: 663,285. Universal joints. DUNLOP RUBBER CO., Ltd., and SEDDON, R. M. Feb. 3, 1950 [Feb. 18, 1949], No. 4439/49. Class 80 (ii) A chain wheel for motor cycles comprises a sprocket toothed member I bonded by a mass 3 of resilient material, such as synthetic rubber, to annular members 4, 5 secured together to form a hub with an annular channel for the material and adapted to be connected to the cycle wheel. Holes 9 may be provided for receiving the ends of wheel spokes.
Patent GB-451679-A (GB)
Title: Improvements in circular knitting machines
IPC: D04B9/26
Filed: 1935-02-12
Abstract: 451,679. Knitting-machines. BLACKBURN & SONS, Ltd., G., and BAYLES, J. H. G., Kirkewhite Street, Nottingham. Feb. 12, 1935, No. 4444. [Class 74 (ii)] In multifeed latch-needle circular machines, provided with devices for making patterns by sometimes not clearing the latches, large patterns and broad effects are obtained by independent control of the clearing cams. In this way parts of the pattern which would otherwise be formed are replaced by plain areas, or by tuck work made on the rib needles, when the invention is applied to a rib machine. Each clearing cam D is carried by a vertical slide E, movable up and down by tappets such as F, provided on rings H, J at the points where plain work is desired. Each slide rests on the bevelled inner end K<1> of a radially movable slide K. Springs K<2> lower the slides E and cams D when the corresponding slides K are moved outwards. The slides K are pushed in by tappets F and held in position by spring catches L until released by tappets on the ring J. The lower end L<2> of each catch lies in the path of the tappets. The rings H, J can be moved relatively to each other by multiples of one needle space. They are driven from a shaft R by opposed ratchets S, S <1> and pawls, one of which is always out of action. In a modification, each slide E is acted on by a star-wheel controlled by the tappets F.
Patent GB-673400-A (GB)
Title: Improvements in carbon black
IPC: C09C1/56
Filed: 1950-02-21
Abstract: Furnace carbon black, including lamp-black, is heated in a shallow bed of uniform thickness not exceeding 1/4 inch to a black-heat temperature not lower than 650 DEG F but below the ignition temperature, say 1100 DEG F, and air, and air and steam, or air and carbon dioxide is passed in contact therewith until 5-75 per cent by weight of the carbon has been burned away.  The product has a pH 2.5-3.5, an ABC colour number 95-175, an oil absorption value 11-25 gallons as indicated by a minimum attainable pH 25-200X10-5 equivalents per gram and a blue tone.  The heating is carried out as described in Specification 667,329 but is continued beyond complete surface oxidation as indicated by a minimum attainable pH 2.5-3.5. The proportion of steam to air may be 1 : 3 to 1 : 10.  One example is heated at 950 DEG F for 120 minutes.
Patent GB-456835-A (GB)
Title: Improvements in dynamo-electric generators for use more particularly on bicycles
IPC: H02K21/14
Filed: 1935-02-12
Abstract: 456,835. Magnetos. ELEKTROTECHNISCHE FABRIK SCHMIDT & CO., GES., 13, Sellerstrasse, Berlin. Feb. 12, 1935, No. 4487. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 4, 1935]. [Class 35] A permanent magnet generator, more particularly for cycle lighting has an imbricated pole stator surrounding a rotary multilimbed magnet. As showr the armature 2 has a single annular winding 4 and the magnet 1 has ten poles.
Patent GB-807313-A (GB)
Title: Improvements in and relating to servo systems
Inventor: READ ROBERT STANLEY
IPC: B64D45/00
Filed: 1956-02-13
Abstract: 807,313. Aircraft instruments. KELVIN & HUGHES Ltd. Jan. 25, 1957 [Feb. 13, 1956], No. 4506/56. Class 4. [Also in Groups XIX and XXXVIII] A roller-blind band 10 for indicating, e.g. aircraft altitude movable in two perpendicular axes by rotation of the roller 12 about shaft 13, and rotation of the complete assembly about shaft 15, has the first rotation determined by a selsyn receiver 17 responsive to e.g. pitch which feeds its error voltage to a motor 16, and the second rotation determined by a selsyn receiver 23 responsive to e.g. roll which feeds its error voltage to a motor 21. Motor 16 rotates the rotor of selsyn 17 via gears 25, 26 and shaft 13 via gears 25, 19, the wheels 25 being freely rotatable on shaft 15: motor 21 rotates the rotor of selsyn 23 via gear wheel 22, which also meshes with a gear wheel 24 fixed to the rotatable stator of selsyn 17. Hence rotation of shaft 15 by motor 21 causes the stator of selsyn 17 to rotate, thereby causing shaft 15 and gear wheels 25 to rotate together as though locked, so that no rotation of shaft 13 occurrs. Alternatively selsyn 17 may be a differential device, having a second rotation signal introduced by gear wheel 22.
Patent GB-393372-A (GB)
Title: Improved overhead conductor crossing for electric traction systems
IPC: B60M1/14
Filed: 1932-02-16
Abstract: 393,372. Supporting cables. MORRIS, F., 7, Grantly Street, Glasgow. Feb. 16, 1932, No. 4563. [Class 36.] At an electric overhead crossing, auxiliary wires 3 are fixed to the main conductors 1, 2 by clamps 5, Fig. 6, comprising three parts 71, 81, 91 engaging the wire and conductor at their lower ends and held together by a bolt 11. Near the crossing the wires and conductors are held by clamps 6, Fig. 4, comprising two long members 7, 8 and a short one 9 to support the wires and conductors at different levels. In another form, the wires and conductors are supported by two inverted U-shaped clamps 1<2>, 2<2> connected by a bolt 16 and having clamps 14, 15 for holding in conductor and wire in the same vertical plane.
Patent GB-903010-A (GB)
Title: Article transfer mechanism
Inventor: COATES JOHN WILLIAM
IPC: B65B35/24
Filed: 1960-02-09
Abstract: 903,010. Endless conveyers. FORGROVE MACHINERY CO. Ltd. Feb. 8, 1961 [Feb. 9, 1960], No. 4595/60. Class 78 (1). An infeed conveyer arrangement of a wrapping machine for loaves of bread comprises a transfer belt 14 and spaced flight bars 10 between a pair of intermittently-moving chains 11. The belt has a driving pulley 16 fixed to idler sprockets 17 of the flight conveyer and a dead-plate 12 is provided at the discharge end of the belt. After a loaf 15 has been deposited on the belt by grippers 13, the belt and flight conveyer begin to travel in the same direction, Fig. 2, the linear speed of the flights 10 slightly exceeding that of the belt. Shortly after the leading end of the loaf has moved on to the dead-plate 12, a flight bar overtakes and contacts the loaf. The impact of the flight bar against the loaf is reduced to a minimum due to the speed of the belt being only slightly less than that of the flight bar. The movement of the belt and flight conveyer is again interrupted and the cycle of operations repeated.
Patent GB-1357314-A (GB)
Title: Plastics composition
IPC: C08L67/08
Filed: 1973-01-30
Abstract: 1357314 PVC compositions BERGVIKS HARTSPRODUKTER AB 30 Jan 1973 [17 Feb 1972] 4615/73 Headings C3P and C3R Suspension polymerized P.V.C. is compounded with up to 10 phr. of an alkyd resin modified with a resin containing more than 95% of free resin acids to obtain a resin-modified alkyd having a ball and ring softening point of at least 90‹ C. The modified alkyd is added to rigid or plasticized P.V.C. The alkyd resins used are " oil-free " and are modified with colophony or tall oil or a modified form of such a resin.
Patent GB-792425-A (GB)
Title: Improvements in or relating to devices for use in degassing plug cocks in a vacuum system
IPC: F16K51/02
Filed: 1955-02-16
Abstract: 792,425. Valves. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Feb. 16, 1955 [Feb. 18, 1954], No. 4653/55. Class 135. A device for degassing plug cocks in vacuum systems in which each cock comprises a plug 3 rotatable in a casing 2 and freely detachable therefrom, wherein the device comprises a housing 6 supported in vacuum-sealing relation upon a casing flange 4, and the housing has externallyoperable means for unseating the plug. When the housing seals on the flange 4, a cylindrical member 7 having a resilient fork 8 engages a groove 9 in the plug operating spindle 5, the member 7 being sealed to the housing 6 by a bellows 10. A rotatable spindle 12 passes through the housing, within the bellows, and screws into the member 7 so that rotation of the spindle lifts the plug from its casing. After de-gassing a rubber tube 19 is removed from a ported stub 17 to release the vacuum within the housing 6 so that it can be removed. The device may be secured rigidly to the cock and the plug may be turned and lifted magnetically.
Patent GB-315444-A (GB)
Title: Process of making commercially pure iron alloys
IPC: C21C7/06
Filed: 1928-02-14
Abstract: 315,444. Reinartz, L. F., and Nead, J. H. Feb. 14, 1928. Alloys.-In a process of producing alloys of iron with such metals as chromium, cobalt, molybdenum, nickel, titanium, or vanadium, having a carbon content not exceeding 0.1 per cent, a bath of molten iron of very low carbon and impurity content, which may be part of the product of an open-hearth furnace, is prepared under oxidizing conditions in an electric furnace. The bath is degasified, and a reducing slag is then formed on the surface of the bath, a carbon-free alloying metal being added whilst maintaining the heat in the furnace.
Patent GB-429669-A (GB)
Title: Improvements in phonograph record retaining device for record containers
IPC: G11B33/04
Filed: 1935-02-14
Abstract: 429,669. Boxes. DICTAPHONE CORPORATION, 375, Howard Avenue, Bridgeport, Connecticut, U.S.A.-(Assignees of Renholdt, J. E. ; Bridgeport, Connecticut, U.S.A.) Feb. 14, 1935, No. 4778. Convention date, Feb. 19, 1934. [Class 18] A device for holding a phonograph record or other cylinder in a box comprises a pivotally mounted spring-influenced lever 21 upon which the cylinder rests and a catch member 29 connected to the lever so as to engage the upper end of the cylinder. Depression of the lever 21 by a record causes the latch member 29 to project over the upper edge of the record, and radially inward movement of the latch member 29 permits the spring 22 to cause the lever 21 to eject partly the record. Rubber or other cushioning means may be applied to the end of the lever 21. The box may comprise an outer wall 10, an inner wall 11, both of stiff cardboard, and a lining 13 of flannel. The lever 21 may be mounted upon a base member 17 having spring arms 18 which are sprung past the wall 11 and lining 13 when the device is inserted in the box.
Patent GB-511071-A (GB)
Title: Improvements in or relating to removable rims for vehicle wheels
IPC: B60B11/06
Filed: 1938-02-17
Abstract: 511,071. Vehicle wheels. GIANETTI, G., (trading as GIANETTI, DI GIUSEPPE E G. GIANETTI, G.). Feb. 17, 1938, No. 4985. Convention date, Feb. 17, 1937. [Class 144 (ii)] A detachable rim 2, to facilitate the transfer of tyres from front wheels to rear wheels and vice-versa, comprises a ring 3 formed with alternate recesses and projections 4, 5, respectively, corresponding in number and position with the spokes of the wheel, and each formed with inclined surfaces 6, 8 adapted to co-act with the spokes of a front and rear wheel respectively. Fig. 1 shows the rim attached by clamps and bolts to a front wheel, the ends of the spokes 1 engaging with the surfaces 6 of the recesses 4. When applied to a rear wheel provided with dualtyres, the rims are mounted on the spokes with the upturned flange portions 9 of the rings 3 in contact or separated by a spacer-ring, the inclined surfaces 8 bearing against suitable abutments and clamps on the ends of the spokes. The surfaces 6, 8 are preferably inclined at approximately 28 degrees to the wheel axis.