baber/WOPTO huggingface dataset:
Patent GB-1499501-A (GB)
Title: Image reproduction systems
IPC: H04N1/40
Filed: 1974-05-03
Abstract: 1499501 Facsimile system CROSFIELD ELECTRONICS Ltd 28 April 1975 [3 May 1974] 19592/74 Heading H4F A facsimile system incorporates: line by line scanning of an original 1; storing the signal derived therefrom in a single line store 43; applying the signal n times through n screening signals in a synthesizer 44; and exposing a recording medium 10 line by line, at a line pitch n times finer, and n times faster than the analysis scan. Medium 10 may be a metal film melted by a laser. Record drum 11 may be stationary in use with a revolving optical element disposed therein. The store may be arranged to receive a plurality of input signals so that two or more pictures or areas of text may be arranged on a single page or otherwise treated as a whole. The system employs three colour channels 6, 7, 8 from analysing head 5. The colour signals are applied to a correction computer 41 where editorial colour changes may be effected and a black printer signal is derived. The requisite output of the computer 41 is applied to the store 43 by channel selector 42.
Patent GB-1418333-A (GB)
Title: Centrifugal juice extractor
IPC: B04B3/00
Filed: 1973-04-25
Abstract: 1418333 Centrifugal juice extractor ROTEL AG 25 April 1973 [2 May 1972] 19618/73 Heading B1D [Also in Division A4] A centrifugal juice extractor comprises a casing, a perforated basket 5 rotatably mounted in the casing, means for rotating the basket, a grating disc 55 at the bottom of the basket and a feed tube 60 for feeding material to contact the grating 55 non-centrally, wherein the basket 5 is mounted so that it can be tilted while rotating. The drive means is a motor 4 whose drive shaft 40 is a loose fit in a socket 50 at the bottom of the grating disc 55. The clearance between the socket 50 and the shaft 40 is filled with a rubber composition 45. Alternatively, the ends of the socket 50 and/or the shaft 40 are made of hard rubber. In another modification the shaft 40 has a polygonal, e.g. hexagonal, cross-section and is a loose fit in a similar socket which is lined with rubber. A finger 7 depends from a cover 6 and has a boss 70 which bears on the grating disc 55 to prevent vertical displacement of the basket 5. A plunger 61 is used to push material towards the grating disc 55. The basket is rotated at about 2800 rpm.
Patent GB-676270-A (GB)
Title: Aqueous solutions of benzalthiosemicarbazones
Filed: 1950-08-08
Abstract: Benzalthiosemicarbazones especially of general formula <FORM:0676270/IV (b)/1> where R=amino, acylamino or alkoxy, are solubilized in aqueous solution by the addition of at least 10 per cent, and preferably 20 to 60 per cent, of 1-phenyl 2,3-dimethyl pyrazolone (antipyrin).  Specified benzalthiosemicarbazones are 4-amino-, 4-acetylamino-, 4-propionylamino-, 4-benzoylamino-, 4-allyloxy-benzalthiosemicarbazones, and 4-anisalthiosemicarbazone.
Patent GB-182005-A (GB)
Title: Improvements in and relating to pump pistons
IPC: F04B53/14
Filed: 1921-07-22
Abstract: 182,005. Hansen, H. L. C. July 22, 1921. Pistons; piston packing.-A pump piston comprises a cup -leather 12 mounted on a rod 13 between two curved washers 10, 11 having their convex faces adjacent to the cup-leather. The washers are held in place by a nut 14, and have flat portions 10<a>, 11<a> at the centre engaging the cup-leather. Two annular ribs 10<1>, 11<1> on the washers force the leather against the rod 13. The periphery of the cupleather may be thicker than the main portion. The washers are of different diameters and the larger one is of smaller diameter than the cupleather.
Patent GB-1388294-A (GB)
Title: Pinch valves
IPC: F16K27/02
Filed: 1972-04-28
Abstract: 1388294 Valves ALVASUM (ASEPTIC) Ltd 9 April 1973 [28 April 1972] 19801/72 Heading F2V The T-shaped casing of a pinch valve is split into two identical parts hinged together by hinge pins 12 to allow easy removal of a flexible tube 20 which is pinched by a piston 28 operated by admitting compressed air into a cylinder 40. The valve is connected to a pipe by means of a coupling collar 48 which engages in a groove 50 in the casing parts and is prevented from rotating by a key and slot arrangement. The end of the flexible tube 20 is flanged over, and engages in a circular recess in the end of the collar, to provide a seal. Alternative designs of collar (not shown) provide for different connection arrangements including coupling to pipes of different bore size. The open or closed state of the valve may be indicated by means of a reedswitch operated by a magnet attached to the operating mechanism. (For Figures see next page.)
Patent GB-985600-A (GB)
Title: Process for the manufacture of unalloyed and alloyed steels having the low content of phosphorus and sulphur customary in special steels
IPC: C21C5/56
Filed: 1963-05-17
Abstract: Iron of high phosphorus content is prerefined by treatment with the iron-rich slag resulting from the first stage of blowing, e.g. by pouring into the slag contained in a ladle, whereby the iron content of the slag is reduced to below 15%.  The iron is then transferred to a converter containing the slag of iron content greater than 15% from the second stage of blowing, where it is blown with oxygen, slag formers being added, until the phosphorus content is below 0.15%, the carbon content being greater than 1.3%.  The slag is then removed, for use in the pre-refining stage, a new slag rich in iron formed, and the bath again blown until the desired carbon content is obtained. Ore scrap, iron nodules or sponge, or appropriate iron alloys may be used as coolants.
Patent GB-1008671-A (GB)
Title: Airfoil construction and method for making the same
Inventor: WING GEORGE SEABROOK
IPC: B64C3/00
Filed: 1964-05-13
Abstract: 1,008,671. Making aircraft wings. KIRK-WING CO. May 13, 1964, No. 19858/64. Heading B3A. [Also in Division B7] An aircraft wing is made by drawing or rolling a one-piece skin 22 to shape round a former (not shown), chemically removing metal at unmasked parts of the inner surface to form recesses 23 in a grid of thicker parts 24, inserting flanged leading edge formers 30, 31 and riveting them to the grid, inserting a forward spar 41 and riveting rearwardly extending flanges 42, 43 to the grid, inserting flanged trailing edge formers 45 and riveting them to the grid, and finally adding a trailing edge spar 61, riveting a rearwardly extending flange 62 to the grid, and then a forwardly extending flange 65, with the aid of a bucking bar 66 accommodated in recesses 50 in the trailing edge formers. Rivet holes in the grid of the skin may be drilled before or after shaping of the skin. Spar 41 is also riveted to flanges on the leading edge formers. All the trailing edge formers and some of the leading edge formers have lightening holes. Unperforated leading edge formers define fuel tanks in the wing, the flanges on each such former extending away from the associated tank.
Patent GB-778842-A (GB)
Title: Improvements in or connected with tube bending
Inventor: PARRIS CYRIL WRIGHT
IPC: B21D9/07
Filed: 1951-08-23
Abstract: 778,842. Angular bending. GREEN & SON, Ltd., E. Aug. 22, 1952 [Aug. 23, 1951], No. 19869/51. Class 83 (4). A method of tube bending consists in bending a tube 2 round a former 1 and supporting the tube internally during bending by means of a mandrel 5 which is progressively withdrawn through the unbent portion of the tube as the bending action proceeds, the tube being so heated that only that portion of the tube which will form the inner surface of the bend is brought to a plastic working temperature. The mandrel 5 is attached to a draw-bar 6 and the tube is clamped by a block 3 to the rotatable former 1. The tube may be heated by a highfrequency heater 8 hinged or flexibly connected to allow it to be moved clear of the former during bending.
Patent GB-1487872-A (GB)
Title: N-substituted morpholines processes for making them and lubricants and fuels containing them
IPC: C10L10/08
Filed: 1975-05-12
Abstract: 1487872 Modified olefin polymers LUBRIZOL CORP 12 May 1975 [19 June 1974 (2)] 19878/75 Heading C3P [Also in Divisions C4- C5] The invention comprises N-substituted morpholines of formula O(CH 2 CH 2 ) 2 NR<SP>1</SP>YR<SP>11</SP>, in which R<SP>1</SP> is a C 1-30  divalent organic radical, R<SP>11</SP> is a hydrocarbyl radical of at least 15 carbon atoms (preferably derived from an olefin polymer), and Y is -O-, -S-, or -NR<SP>3</SP>-, R<SP>3</SP> being H or hydrocarbyl. In certain cases R<SP>3</SP>, in the case where it is hydrocarbyl, can be a further R<SP>11</SP>, which can be achieved by reacting 2 moles of a polymeric reactant with 1 mole of a morpholine precursor. In examples, polyisobutenyl chloride is reacted with either N-aminopropyl morpholine or aminated N-ethoxylated morpholine, and chlorinated polyethylene is reacted with N-aminopropyl morpholine. Use.-Additives to fuels and lubricants.
Patent GB-1294712-A (GB)
Title: Artificial leather
IPC: C14C11/00
Filed: 1970-04-24
Abstract: 1294712 Polyurethanes TEIJIN Ltd 24 April 1970 [24 April 1969] 19874/70 Heading C3R [Also-in Divisions B1-B2] A polyurethane is derived from a polyol having a polyoxyethylene segment and a molecular weight of 600-4000, a diisocyanate and a chain extender having a molecular weight of not more than 500 and contains 15-75% of polyoxyethylene segment. A film prepared from the polyurethane has a stress at 10% elongation at 20‹ C. and 65% RH, of 0À1-2À0 kg./mm.<SP>2</SP> and a 15 Á thick non-porous film prepared from the polyurethane has a rate of water vapour permeability of at least 3 mg./cm.<SP>2</SP> hr. at a 19 mm. Hg. water vapour pressure difference. Numerous suitable polyols, diisocyanates and chain extenders are specified. In an example a polyoxyethylene glycol of molecular weight of 1430, which has been dehydrated, and tetramethylene glycol were dissolved in a mixed solvent of N,N-dimethyl formamide, dioxane and tetrahydrofuran and molten 4,4<SP>1</SP>-diphenyl methane diisocyanate was added together with triethylene diamine as catalyst. The polymerization was conducted at 40‹ C. for 190 minutes, a mixed solvent consisting of dioxan and tetrahydrofuran added over a period of 30 minutes to dilute the reaction mixture and reaction continued for 50 minutes. A further solvent consisting of dioxan and tetrahydrofuran and containing a small amount of methanol was added and stirring continued for 40 minutes to complete polymerization. In a second example polyoxyethylene glycol of molecular weight 3000 and tetramethylene glycol are reacted with 4,4<SP>1</SP>-diphenyl methane diisocyanate in the presence of triethylene diamine followed by a subsequent reaction with p-phenylene diamine.
Patent GB-1406025-A (GB)
Title: Yarn handling apparatus
IPC: B65H63/00
Filed: 1972-12-18
Abstract: 1406025 Textile machine servicing apparatus LEESONA CORP 18 Dec 1972 [20 Dec 1971] 19973/74 Divided out of 1375254 Headings D1D and D1F The description is the same as that of Specification 1375254 but the claims relate to the data processing equipment with recording means to establish a cumulative record.
Patent GB-1190338-A (GB)
Title: Rotary Hydraulic Pump or Motor
Inventor: WHITMORE CHARLES HARDING
IPC: F04C11/00
Filed: 1968-04-26
Abstract: 1,190,338. Rotary pumps and motors. CONTINENTAL MACHINES, Inc. April 26, 1968, No.19979/68. Heading F1F. A rotary pump or motor described as a twostage, variable volume hydraulic pump of the radially sliding vane type, comprises first and second stage pumps 10, 11, Fig. 2, each having a body section 12 and a cover section 13 within which is mounted rotors 26, 27 having sliding vanes 34 encircled by cam-rings 28, 29. Each cam-ring is abutted on its front end by a parted plate 30 having ports 36, 38 through which hydraulic fluid is respectively supplied and discharged and at its rear end by a wear plate 31 with the outlet ports 38 of the first stage connected to the inlet ports 36 of the second stage. The rotors 26, 27 are secured on shafts 15, 16 inter-connected by a splined coupling 25. Discharge pressure in the two stages tends to urge the respective rotors rightwardly into engagement with the wear plates 31 and increase the gaps between the rotor and the ported plates 30 through which leakage occurs to annular chambers 32, 33tolubricatethebumpbearings 14 and cool the pump parts. In the second stage in which the discharge pressure is high, e.g., 2000 lbs/sq. in., the wear plate may be subjected to excessive wear and the clearance between the rotor and the parted plate 30 too large. To mitigate against this, the first stage discharge pressure is admitted to the chamber 33 through a part 49 and this pressure acts on the rear end of the shaft 16 and the rearward face of a flange 52 on a plumper 50 slidable in a well 51 in the second stage cover section 13 to reduce the effect of second stage discharge pressure acting on the plated plate 30. Metering grooves 53 in the flange 52 permit a controlled leakage through axial and radial ducts 46, 47 to lubricate the bearings and cool the pump parts. Modified constructions of plungers are described, which are acted upon by first stage discharge pressure and allow a controlled leakage. The degree of eccentricity of the cam-rings may be varied to vary the pump output.
Patent GB-1154768-A (GB)
Title: Washing Plant for Vehicles
IPC: B60S3/06
Filed: 1967-05-01
Abstract: 1,154,768. Vehicle washing apparatus. SOC. ACC. EMANUEL DI G. E. R. EMANUEL & CO. 1 May, 1967 [6 May, 1966], No. 20028/67. Heading B7J. Vehicle washing apparatus comprises pairs of rotatable side engaging brushes 13, 14: 15, 16 joined by beams 11, 12 and pivoted at points 9, 10 to arms 7, 8 yieldably biased in a horizontal plane by an arrangement of pneumatic cylinders towards the middle of the apparatus. Further resilient cam means are provided between the beams 11, 12 and their arms 7, 8 to urge the beams to the broken line position in Fig. 3. Roof engaging rotatable brushes 19, 20 swing on beams 21, 22 which oscillate on counterweighted levers 17, 18, and means is provided to lift the levers 17, 18 in an emergency. In Fig. 8 the apparatus is wheeled to move over the vehicle and the vertical pivoted brushes may be moved from one side of the vehicle to the other on a carriage 36 running on a cross rail 35 (see also Figs. 9 and 10, not shown).
Patent GB-627917-A (GB)
Title: Improvements in or relating to fastener applying instruments
IPC: B25C5/02
Filed: 1947-07-25
Abstract: 627,917. Stapling hand tools. BOSTON WIRE STITCHER CO. July 25, 1947, No. 20041. Convention date, Nov. 25, 1941. [Class 89 (iii)] A stapling device of the pliers type comprises a magazine 2 provided with a cover plate 48, pivoted arms 3, 4 carrying a driver 37, and an anvil 67 respectively, and an operating lever 5 pivoted at 76 to the arm 4 and having a hooked end 81 and cam surface 83 engaging a stud 6 on the arm 3. For loading, the cover plate 48 is raised with the arm 3 upon disengagement of the hooked end 81, the plate 48 being slidden rearwardly by the arm 80 of the lever 5 engaging with lugs 50 thereon. A full-stroke mechanism comprises the lugs 50 on the plate 48 co-operating with notched openings 41 in the arm 3 which carries a spring-pressed pivoted pawl 57 to guide the lug 50 out of the notch 43 after the arm 3 has been fully depressed. A coil spring 25 passed around a post 27 urges a staple pusher 24 and the plate 48 forwardly. The anvil 67 is slotted whereby a staple can partly penetrate material C held against its lower face by a springy member 75 raised by a lever 77 carried by the arm 4. The magazine 2 and arms 3, 4 are all urged apart by a leaf spring 38. Specification 627,189 is referred to.
Patent GB-377807-A (GB)
Title: Improvements in or relating to machines for applying bands or stamps to packets
IPC: B65C1/04
Filed: 1931-07-13
Abstract: 377,807. Labelling - machines. MASON, J. and MOLINS MACHINE CO., Ltd., 2, Evelyn Street, Deptford, London. July 13, 1931, No. 20063. [Class 73.] A machine for applying bands, stamps, &c. to packets comprises a rotary suction device arranged to remove a stamp &c. from a magazine and carry it past a gumming device to means for holding it across the path of a packet carried continuously along by a conveyer. The stamp magazine 7 is oscillated by a cam 15 to bring its lower end tangential to the rotary suction device 11 which carries the detached stamp past the gummer 17 to a stripping device 6 ; the latter comprises prongs 19 entering grooves in the faces of the suction devices, and spring- urged clamping members 22 opened to permit the stamps to enter by cam surfaces on the suction members. The packets are fed along a way 5 by a conveyer 3, each packet meeting a stamp held by the stripper ; the ends of the stamps are folded on to the sides of the packets as the latter passes along a guide 24. The stamps may be applied to one face only of each packet, in which case the prongs 19 are pivoted ; or the stamp may be wrapped round the four sides by the provision of folders.
Patent GB-1531556-A (GB)
Title: Vehicle windows
IPC: B60J1/17
Filed: 1976-05-14
Abstract: 1531556 Vehicle window frame CHRYSLER UNITED KINGDOM Ltd 5 May 1977 [14 May 1976 14 March 1977] 20078/76 and 10717/77 Headings E1J and E1R A vehicle window comprises a pane 11 with a perimeter frame, each member 12, 13, 14, 15 of which has a U-shaped cross-section with a longer and a shorter limb, and a spacer/attachment means between the longer limb and the face of the pane. The spacer/ attachment means may be a clip 26 adhesively secured to the pane or may be plastics support blocks 34, 35, 36 adhesively secured to both the pane and the frame member.
Patent GB-1175297-A (GB)
Title: Improvements in or relating to Wicket Doors for Roller Shutters or the Like.
Inventor: BAILEY GEOFFREY
IPC: E06B9/17
Filed: 1967-05-01
Abstract: 1,175,297. Wicket doors. W E S T L A N D ENGS. Ltd. 30 April, 1968 [1 May, 1967], No: 20115/67. Heading E1J. A wicket door and supporting frame assembly for roller shutters comprises a supporting frame comprises sides and top and bottom rails 11, the latter hingeably attached by pivot pins 12 to a support adjacent an aperture in the shutter 10, and pivotable clamping members 13, 14 held to the edges of the aperture by removable locking members 18. The member 14, nearest the support pins 12 being of Z-section and having at each end, welded thereto, a plate 17 normal to the longitudinal axis of the member 14 and carrying two pins 15, 16 on either side of the member 14; the door pivoting on the pins 15 and the member 14 pivoting the pins 16 located in the rails 11 so that on removal of locks 18, rotation of member 14 supporting the door, will cause the normal hinge position of the door to move away from or towards the inner adjacent vertical edge of the door aperture, the clamping member 13 being of angle section, so that with the door opened outwardly the members 13, 14 can be rotated to clear the edges 10, 20 of the shutter and then the door can be swung through the aperture and back against the wall of the enclosure with the support frame 11, when the shutter 10, 20, can then be raised.
Patent GB-1149082-A (GB)
Title: Turbulence reducing device for swimming pools
Inventor: KIEFER ADOLPH GUSTAV
IPC: E04H4/14
Filed: 1966-05-06
Abstract: 1,149,082. Lane marker and turbulence reducing device for swimming pools. ADOLPH KIEFER & CO. 6 May, 1966, No. 20177/66. Heading A4N. [Also in Divisions A6 and E1] The invention comprises a combination swimming lane marker and turbulence reducing device comprising an elongated hollow body having a foraminous surface or carrying such surfaces and means for mounting the body on a restraining cable. The body may be formed from buoyant material and the mounting means may comprise a disc shaped float - which may include a body of non-absorptive fragile buoyant cellular material contained within a hollow 2-part semi-rigid protective enclosure - at each end of the elongated body, a central passage being provided in each float for receiving the cable. The elongated body which may comprise a cylindrical lattice of plastics material, may be in the form of a hollow cylinder or hollow polygon.
Patent GB-597009-A (GB)
Title: Improvements in or relating to electrical measuring apparatus
IPC: G01D5/22
Filed: 1945-08-08
Abstract: 597,009. Electric control systems. KAPELLA, Ltd., and REASON, R. E. Aug. 8, 1945, No. 20336. [Class 40 (i)] [Also in Group XXXVI] In a system in which the inductances of, and hence the voltages across, two inductors B<1> and B<2> are differentially varied, e.g. by movement of a common armature A and the outputs of rectifier bridges E<1> and E<2> connected to the inductances act in opposition on a meter G, as described in Specification 556,607, the meter is associated with the rectifiers through a potentiometer F for adjusting the zero. Preferably, the resistance of potentiometer F is not greater than twice the forward resistance of the rectifiers. Specification. 541,628 also is referred to.
Patent GB-205878-A (GB)
Title: A method of and means for signalling or modulating by grid potential control in thermionic valve circuits for wireless telegraphy or telephony
IPC: H04L27/04
Filed: 1922-07-25
Abstract: 205,878. Preston, L. G., Shearing, G., and Irving, G. A. July 25, 1922. Thermionic generators and modulating systems.-In a thermionic generator for transmitting telegraphy or telephony the grid circuit is divided into two portions one of which is arranged to have approximately the same inductance-capacity value as that of the aerial circuit. Signalling is effected by varying the tuning of this portion of the grid circuit. As shown in Fig. 1, the grid circuit is back-coupled to the oscillatory circuit through the coils C, D. The branch FIIG of the grid circuit which has an inductance-capacity value equal to that of the aerial is wholly or partly shorted by a switch P controlled by a signalling- key Q. When the switch P is closed, normal aerial oscillation takes place, but sinks to zero when the switch is opened. Fig. 3 shows an alternative arrangement in which the grid coil D is not coupled to the aerial. The branch circuit contains two coils R, S of equal inductance but wound in opposition. When the switch P is closed the coil S is shorted, the circuit GRF is in tune with the aerial circuit and radiation ceases. Simultaneously, a second switch X throws a negative potential upon the grid to prevent the anode current from rising to an excessive value. Alternative methods may be employed to change the effective inductance-capacity value of the branch grid-circuit, which may also be separate from but closely coupled to the grid circuit proper. As applied to telephony the inductance-capacity value of the branch circuit is varied by means of modulating circuits directly or indirectly associated with the grid circuit.
Patent GB-1012668-A (GB)
Title: Electric coil construction
IPC: H01F7/20
Filed: 1963-05-22
Abstract: 1,012,668. Coils for dynamo-electric machines; generators operating by electromagnetic interaction with fluids. AVCO CORPORATION. May 22, 1963 [Aug. 27, 1962], No. 20353/63. Heading H2A. [Also in Division H1] A coil for producing a transverse field with a gradient, comprises a metal strip wound with its width parallel to the axis of the turns and having two end portions spaced apart by a middle portion when the turns of one end portion are spaced apart by a greater amount than the turns in the other end or middle por-  tion. As shown, winding 20 comprises a plurality of serially connected turns 21-25 insulated from each other by insulation 27. Spaces 45-48 are left between successive turns at one end of the coil and these may be filled with incompressible non-magnetic material in order to reinforce the coil. For use as the field coil of a magnetohydrodynamic generator the turns are pierced so that duct 1 can be inserted and the downstream turns are spaced apart to provide a weaker magnetic field at the low pressure end of the duct thus obtaining the same e.m.f. at all points within the working section of the duct. In a modification two half-coils may be used lying above and below the duct with suitable electrical interconnections, Figs. 4, 5 (not shown).