baber/WOPTO huggingface dataset:
Patent GB-1274125-A (GB)
Title: Electrostatic copying system employing a replaceable cartridge to provide a supply of a recording element and processing means thereof
Inventor: LEEDOM MARVIN ALLAN
IPC: B41J2/32
Filed: 1970-02-13
Abstract: 1,274,125. Electro-photographic copying. R.C.A. CORPORATION. Feb.13, 1970 [Feb. 14, 1969], No.6993/70. Heading G2H. A replaceable cartridge 10 contains a nell of photo-conductive web 30, a corona electrode 60 and metal backing roller 56, of developing apparatus 12 and a cutter 182, 184; the cartridge being used in a system comprising a C.R. tube 40 for exposing the web, drive rollers 104 (and 106) Fig.3 (not shown) for extending into the cartridge to advance the web and a drive wheel (156) for a developer pump 140. A hook 120 retains the cartridge in the system. Developing apparatus 12 comprises a pump blade 150 which drives developer from a chamber 124, through an inlet 136 to remove bubbles, into a chamber 126 and up a tube 162 to a slit 164 to contact the web. Blade 150 also pumps developer from chamber 124 up a stand pipe 170 to provide a pressure head for developer at 164. The developer returns from tube 162 and pipe 170 to chamber 124 via a chamber 122. An elongated, apertured development electrode (166) Fig. 5 (not shown) is positioned adjacent slit 164.
Patent GB-1521434-A (GB)
Title: Distance warning installations
IPC: B60Q1/52
Filed: 1977-02-18
Abstract: 1521434 Indicating apparatus; accelerometers DAIMLER-BENZ AG 18 Feb 1977 [5 March 1976] 7004/77 Addition to 1505033 Headings G1J and G1K [Also in Division B7] The warning indicator of the Parent Specification is modified in that the braking deceleration required is displayed as a desired value indication on a scale which indicates only the difference between or ratio of the desired and actual values. As shown, a pointer 4 moves over a scale comprising a red zone 1 indicating that the actual braking deceleration is less than the desired value, a central strip 3 indicating that the actual and desired values are equal, and a green zone 2 indicating that actual deceleration exceeds the desired value, and, in appropriate conditions, that vehicle speed can be increased safely. The colours of zones 1, 2 become stronger further away from the central strip 3. A modification, Fig. 2, (not shown), has no pointer, but adjacent green and red lamps (5, 6), selectively illuminated to indicate the need for braking or free travel. When actual and desired decelerations are equal, both lamps are illuminated. Preferably the brightness of the lamps is regulated according to the ratio of or difference between actual and desired deceleration, so that as an obstacle is approached, the green light fades progressively, and then the red light becomes steadily brighter.
Patent GB-990863-A (GB)
Title: Improved apparatus for cutting a glass sheet
IPC: C03B33/027
Filed: 1962-02-23
Abstract: An apparatus for cutting a glass sheet comprises a scoring tool, a conveyer to bring the sheet into an operative position, means to operate the tool so as to score the sheet on one surface thereof in the operative position and breaking means operable to exert pressure on the sheet in the operative position on the other surface of the sheet along a line in alignment with the score line and on the one surface on either side of the score line.  The apparatus comprises an entry conveyer consisting of rolls 2, a scoring and breaking section and an exit conveyer with a plurality of belts 5.  A transverse carriage 9 mounted on longitudinal rails 8 and movable by a hand wheel 10 carries two identical units each comprising a stop 11 with a plastic covering 12 on a lever arm 13, a stroke limiter 15, a pneumatic ram 16 and a contactor 20 (Fig. 5, not shown) adjacent the front face of the stops 11.  A motor-driven carriage 23 mounted on slides of a beam 22 carries a tool holder 25, of the kind described in Specification 863,113, with a cutting wheel acting in the vertical plane X-X.  Two freely rotatable vertically adjustable short rolls 27, 28 are mounted in a frame member 26 and two other <PICT:0990863/C1/1> short rolls 29, 30 are carried by arms 31 of a ram 32.  The rolls 27, 30 lie behind rolls 28, 29 respectively in Fig. 1.  The ends of a rubber sleeved metal tube or as shown a U-sectioned member with resilient elements are mounted on the heads 37 of two pneumatic rams 39.  In operation a glass sheet 1 placed on the entry conveyer 2 closes a contactor 4 which starts the motors driving the entry and exit conveyers.  As the sheet 1 travels it operates the contactor 20 which, after a time delay to allow the leading edge of the sheet 1 to abut the stops 11, stops the conveyers.  Rams 16 operate to cause the stops 11 to take up a position defined by the stroke limiters 15 and so slightly displace the sheet 1 to render it exactly parallel to the longitudinal axis of the machine.  A sensing device moves towards the lateral edge of the sheet and a stop on this device on contacting the sheet 1 closes a contactor causing the cutting tool holder 25 to descend just beyond this point, and also returns the sensing device to its starting position.  As the cutting tool contacts the glass sheet 1 a contactor closes and causes strong pressure to be applied by the tool to the glass and also starts the movement of the carriage 23 whereby a score line is made on the glass sheet 1.  When a feeler member on the tool holder leaves the edge of the sheet, and just before the scoring tool reaches the edge, the carriage is stopped and the tool holder raised. This closes a contactor which causes the carriage 23 to return, the stops 11 to be raised, the rams 39 to operate to raise the breaking member and the exit conveyer to restart.
Patent GB-1495365-A (GB)
Title: Process for preparing stable sodium percarbonate
IPC: C11D3/39
Filed: 1976-02-25
Abstract: 1495365 Sodium percarbonate KAO SOAP CO Ltd 25 Feb 1976 [19 May 1975] 07433/76 Heading C1A Sodium percarbonate, having improved shelf life, is prepared by mixing and reacting or an aqueous solution thereof and an aqueous H 2 O 2  solution and allowing the sodium percarbonate to precipitate in the presence of a chelating agent, which is capable of producing a waterinsoluble or slightly water-soluble chelate compound with any one of Fe, Cu, Co and Ni, and an anionic or non-ionic surface active agent to make the chelating agent at least partially dispersible in the aqueous solution from which the sodium percarbonate is precipitated. The chelating agent and/or surface active agent may be added to the aqueous solution or the aqueous H 2 O 2  solution.
Patent GB-1467332-A (GB)
Title: Total prosthesis of the hip and tools for the implantation  of its acetabular portion
IPC: A61B17/17
Filed: 1974-02-19
Abstract: 1467332 Milling cutters; reamers F M BATTIATO 19 Feb 1974 [21 Feb 1973] 7473/74 Headings B3K and B3C [Also in Division A5] A milling cutter for producing a cavity in the hip bone for reception of the acetabular part of a hip joint prosthesis (see Divisions A5-A6), comprises a cylindrical stem 26 having a shaft 27 at one end for connection with driving apparatus and eight cutting blades 28 at the other end thereof. The cutting blades form a cutting part having a larger generally partspherical base passing into the larger base of a first generally frusto-conical portion which terminates in the larger base of a second generally frusto-conical portion. An axial bore runs through the cutter for the passage of a guide wire inserted into the pelvic bone in a predetermined position and orientation.
Patent GB-1493437-A (GB)
Title: Sampling means for liquefied gases
IPC: G01N1/10
Filed: 1975-02-24
Abstract: 1493437 Sampling liquefied gas for analysis LINDE AG 24 Feb 1975 [23 Feb 1974] 7587/75 Heading G1B Apparatus for sampling a liquefied gas, for use for example in determination of dissolved impurities such as hydrocarbons in liquid oxygen, nitrogen or rare gas comprises a sampling container, means for externally cooling the sampling container in use, and a compressed gas container, the sampling container being connectable via a first shut-off element to a source of the liquefied gas and via a second shut-off element to the compressed gas container. In the embodiment shown, the sampling container 2 is inside the compressed gas container and is cooled initially by flow of liquefied gas through inlet 8 and annular passage 5 and out at 9. When only liquid flows out at 9, valve 4 is opened and the sampling container 2 fills with liquefied gas. Valve 4 closes and as the pressure inside container 2 reaches a pre-set value spring-loaded non-return valve 3 opens and the liquefied gas flows into compressed gas container 1 where it evaporates. The contents of container 1 can be withdrawn at 11 for analysis. 13 is a manometer and 12 is a bursting disc.
Patent GB-810792-A (GB)
Title: Improvements in tubular stranding machines
Inventor: RICHARDS SAMUEL HUGH
IPC: D07B3/04
Filed: 1956-03-12
Abstract: 810,792. Universal joints. MARSHALL RICHARDS MACHINE CO. Ltd. March 11, 1957 [March 12, 1956], No. 7604/M. Class 80 (2). [Also in Group XXV] A joint between two tubular members of a wire stranding machine (see Group XXV) comprises a spherical bush 20 on one member cooperating with a spherical seating bush 22 on the other, the bush 22 being split at 23 to permit entry of the bush 20. Pins 24 on a spider 15 of one member engage tightly fitting rubber bushes 27 in recesses 25 in a spider 14 of the other member to provide a driving connection between the two members.
Patent GB-862425-A (GB)
Title: Improvements in or relating to methods of testing neutron radiation
IPC: G01T3/08
Filed: 1957-03-07
Abstract: 862,425. Neutron radiation measurement. SIEMENS SCHUCKERTWERKE A. G. March 7, 1957 [March 9, 1956], No. 7620/57. Class 40(3) [Also in Group XXXVI] In a manufacturing process, neutron radiation is tested by measuring and indicating and evaluating by means of a graph, the changes in an electrical property of a semiconductor body which is subjected to the radiation, the body having at least one component which becomes radio active under neutron bombardment and has a cross-section of at least 1 barn. Indium phosphide or indium nitride are preferred semiconductor materials and the body may be thin with a large area PN junction. Fig. 2 shows an arrangement suitable for detecting an extremely weak neutron flux which is arranged to bombard the semiconductor body 3. The resulting electron-hole pairs produce voltage impulses due to battery 2 which are supplied to amplifier 6 and measuring device 7. Alternatively, the voltage across or current through the body during radiation bombardment may be measured. The invention relies on momentary variation due to the production of electron-hole pairs by radio activity, the variation consisting of "constant" and " variable " portions. The " variable " portion occurs at the beginning and end of radiation bombardment due to varying delay time of the radio-active elements, while the " constant " portion refers to the intermediate steady state position. Materials with components having a radio-activity with a half life of seconds or less are preferred to provide reasonable " variable " portions which may be analysed to ascertain the nature of the radiation. The electron-hole pairs may be produced by # or γ radiation. The invention is not concerned with "permanent" variations arising from transmutation or the production of latticed effects by the radiation.
Patent GB-242512-A (GB)
Title: Improved manufacture of manures
IPC: C05B13/02
Filed: 1925-03-20
Abstract: Alkali di-calcium phosphate that can be used as manure, is obtained by heating a mineral phosphate with silicic acid and alkali salts, using such proportions that a third of the lime in the tri-calcium phosphate is removed as calcium ortho-silicate and is replaced by alkali.  The silicic acid is added in the form of silicates, sand or mineral phosphates rich in silicic acid, and the alkali salts are preferably carbonates or sulphates. Sufficient silicic acid is used to form ortho silicate with the lime in the mineral not combined as phosphate.  The iron and aluminium in the mineral replaces the silicic acid in its lime-binding effect by forming calcium aluminate or ferrite.  Reference has been directed by the Comptroller to Specification 235,860.
Patent GB-789889-A (GB)
Title: Improvements in or relating to trays for supporting articles during heat treatment
Inventor: BILLINGHAM ELISHA
IPC: C21D9/00
Filed: 1955-03-16
Abstract: 789,889. Furnace work supports. HADFIELDS, Ltd. March 2, 1956 [March 16, 1955], No. 7660/55. Class 51 (2). A work support for use in a continuouslyoperated heat treatment furnace comprises main longitudinal members 1 and subsidiary longitudinal members built up of separate plates 7 and 8, said longitudinal members being all threaded on T-shaped rods 6 and spaced apart by distance pieces 9 also loosely threaded on the rods and being formed with upper webs 11 forming part of the work-supporting surface. The main longitudinal members 1 comprise rectangular boxes with ends 3 and with sides 2 extending downwardly to skids 15 sliding along guideways or rollers in the furnace, the sides being slotted to correspond with the cross-section of the rods. One end of each rod is formed with a stop and the other is welded as at 14 to an appropriate plate 7 or 8. Gaps 12 are left between the plates 7 and 8, and on assembly the longitudinal members and rods are free to expand individually.
Patent GB-986353-A (GB)
Title: Improvements in or relating to protective cushioning materials
Inventor: ARDENNE MANFRED VON
IPC: B62D29/04
Filed: 1962-02-27
Abstract: 986,353. Laminates. ZENTRALE ENTWICKLUNG UND KONSTRUKTION FUR DEN KRAFTFAHRZEUGBAU VEB. Feb. 27, 1962, No. 7694/62. Drawings to Specification. Heading B5N. A cushioning material, particularly for use as coverings in motor vehicles to protect occupants against the effect of impact in accidents, comprises a layer of material which is compressible but non elastic and an outer, elastically compressible, layer which is preferably 10-20% of the total thickness of the material. The inner layer maycomprise semi-hardened or hardened polyurethane resin foam or urea resin foam, or may be a paper honeycomb impregnated with  one of the above resins. The outer layer may comprise plasticized polyurethane foam. A vehicle bumper may be of the same materials or may comprise an aluminium or steel honeycomb covered with an elastic rubber layer.
Patent GB-499242-A (GB)
Title: Improvements in or relating to fuel injection plant of internal combustion engines
IPC: F02D1/12
Filed: 1938-03-12
Abstract: 499,242. Fluid pressure servomotorcontrol systems. BOSCH GES., R. March 12, 1938, No. 7731. Convention date, March 13, 1937. [Class 135] A servomotor for operating the regulator of an engine fuel-injection pump uses as motive fluid purified lubricating oil from a lubricating oil pipe independent of the lubrication of the engine. The Figure shows the servomotor controlled by barometric pressure acting on an aneroid capsule 14. The capsule is coupled by a lever 13 to a piston control valve 12 associated with a double-acting piston 4a, directly connected to the regulating rack 4 of the fuel pumps. A gear-wheel pump 15 draws lubricating oil from a reservoir 17 and discharges it under pressure through a pipe 18 to a lubricating chamber 7 for the pump plungers and through a pipe 19 to the servomotor control valve. Exhaust oil from the servomotor is returned to the reservoir through a pipe 20. The aneroid capsule may be replaced by other control elements as for example a thermosensitive element subject to atmospheric temperature.
Patent GB-1496087-A (GB)
Title: Method of dutching cocoa
IPC: A23G1/02
Filed: 1975-02-25
Abstract: 1496087 Dutching cocoa M L CHALIN 25 Feb 1975 7858/75 Heading A2B Cocoa is dutched by pulverising a press cake or ribs thereof, mixing the cocoa with a 3-12 wt. % aqueous solution of an alkali to form a damp mass having a water content of 20-35% and up to 6% of alkali (equivalent to K 2 CO 3 ) and cooking to damp mass at 150-230‹F for 2¢ to 5 mins. under a pressure increasing to 500-1300 psi and extruding to cooked mass into a rod to form pellets. The pellets may be dried in a fluidised bed using a heated inert gas and then quickly cooled. The cooking is preferably effected in a screw type cooker/extruder having a screw of increasingly fine pitch nearer to the exit or extruder end.
Patent GB-1246244-A (GB)
Title: Core drilling in non-supporting earth formations
IPC: E21B25/00
Filed: 1970-02-18
Abstract: 1,246,244. Boring. earth. HEATH & SHERWOOD DRILLING Ltd. 18 Feb., 1970 [21 Feb., 1969], No. 7896/70. Heading E1F. A method of core drilling suitable for drilling a hole in a non-supporting formation. with a drill comprising an annular diamond bit, a core barrel, and a drill pipe of substantially uniform external diameter, consists of maintaining a radial clearance between the surface of the hole and the external surface of the drill pipe of substantially 2 to 15% of the external diameter of the pipe, and circulating an oil base emulsive mud through the clearance between the pipe and hole. The mud may be an emulsion of brine and oil having substantially negative water loss characteristics and containing emulsifying and stabilizing agents and optionally a weighting material. Examples of muds are given. The top 10% of a hole, which may be drilled by a trione or diamond bit, may be used.
Patent GB-649448-A (GB)
Title: Improved manufacture of carbon disulfide
IPC: C01B31/26
Filed: 1948-03-16
Abstract: <PICT:0649448/III/1> In the continuous production of carbon disulphide by reacting fluidized carbon with sulphur vapour, and separating and recovering the resulting carbon disulphide, excess of carbon over that required to react with the sulphur vapour is fed into the reaction zone and the excess of hot unreacted carbon is recirculated to the system, preferably in a fluidized condition, to supply its sensible heat thereto.  As shown in Fig. 1, powdered coke is fed through a double bell valve 29 into a chamber 5 where it is fluidized by air admitted through a line 6.  The fluidized coke passes through pipes 8 and 9 into a zone A together with preheated air supplied through a pipe 10.  Partial combustion of the coke raises its temperature to 1100-2000 DEG  F.  The fluidized preheated coke flows downwards through successive zones B via pipes 18a, 18b and 18c in counter-current to preheated sulphur vapour entering by a pipe 16 and passing through grids 17c, 17b and 17a.  The carbon disulphide vapour passes to recovery through a pipe 19 whilst the excess of hot unreacted coke passes through a pipe 18d into a zone C where it is picked up by a stream of air fed beneath a grid 24 and recirculated in a fluidized condition through line 25 and 28a into the pipe 10.  An inert gas entering through a line 30 removes air and carbon oxides from the coke passing from zone A to zone B and similarly inert gas entering through a line 31 removes sulphur vapours from the coke passing from zones B to zone C.  A portion of the excess coke may be periodically purged through a pipe 26 to prevent accumulation of ash.  According to a modification (Fig. 2, not shown), the heating vessel and the reaction vessel (with a single zone) stand side-by-side, the hot fluidized carbon being continuously circulated by means of sulphur vapour from an intermediate level of the heating zone to the bottom of the reaction zone and by means of air from an intermediate level of the reaction zone to the bottom of the heating zone, fresh fluidized carbon being introduced into the heating zone and carbon disulphide vapours being removed from the top of the reaction zone.  Specification 620,315 is referred to.
Patent GB-823299-A (GB)
Title: Improvements in or relating to hall generators
Filed: 1957-03-12
Abstract: 823,299. Semi-conductor devices. SIEMENS - SCHUCKERTWERKE A.G. March 12, 1957 [March 26, 1956], No. 8172/57. Class 37. [Also in Group XL (c)] A temperature dependent resistor 7 is connected to one or both Hall electrodes 5, 6 of a Hall generator to compensate for temperature effects in the Hall plate 2. The resistor may be connected in series or parallel with the load and may consist of indium antimonide or other Am, Bv material. If mounted in the immediate neighbourhood of the Hall generator, it is preferable that the directions of the resistor current and magnetic field coincide.
Patent GB-1262102-A (GB)
Title: Polymerisation of lactones
Inventor: JENKINS VICTOR FREDERICK
IPC: C08G18/42
Filed: 1969-02-14
Abstract: 1,262,102. Polymerization of lactones; polyurethanes. LAPORTE INDUSTRIES Ltd. 12 May, 1970 [14 Feb., 1969], No. 8189/69. Addition to 1,201,909. Heading C3R. In a modification of the process of the parent Specification for the preparation of low-melting polyesters by polymerization of a lactone in the presence of an initiator and a strong organic acid as catalyst, the initiator has the formula HA(CR<SP>1</SP> 2 ) m  AH, where the groups HA-, which may be the same or different, are carboxyl, monoalkylamino, mercapto or hydroxyl groups, m is 2 to 8, and each of the groups R<SP>1</SP> may be a C 1  to C 4  alkyl group, an allyl or 1-methylallyl group, a hydrogen, chlorine or bromine atom or a group -Y-R<SP>11</SP> or -Z-Y-R<SP>11</SP>, where -Y- is an ether, oxycarbonyl or carbonyloxy linkage, -Z- is a -C n H 2n - group with n= 1 to 4 and R<SP>11</SP> is C 1  to C 4  alkyl, allyl or 1-methylallyl provided that at least two of the groups R<SP>1</SP> are not hydrogen. Preferred initiators are diols, especially those of formula where p is 1 to 6. The examples describe the polymerization of caprolactone with trichloroacetic acid as catalyst and butane-2,3-diol, 2,2,3 - trimethylpentan - 1,3 - diol or trimethylhexan - 1,6 - diols as initiators. Hydroxyl-terminated polyesters thus produced may be used to make urethane prepolymers by reaction with an excess of a polyfunctional isocyanate, e.g. di-(4-isocyanatophenyl)methane or toluene di-isocyanates, and polyurethane elastomers can then be obtained by reaction of these prepolymers with polyfunctional active hydrogen compounds. The use as the initiator of 2,2-dimethylpropan-1,3-diol or 2,2-diethyl propan-1,3-diol is disclaimed.
Patent GB-602594-A (GB)
Title: A method of and composition for facing structural surfaces
IPC: C04B28/10
Filed: 1945-04-03
Abstract: In the composition for facing walls (see Group X) described in the parent Specification, the cement is replaced wholly or in part by lime.  The preferred composition comprises 35 to 20 parts by weight lime, or lime and cement and 65 to 80 parts of chemically unaltered clay with or without colouring matter forming 2 to 10 per cent of the whole dry mixture.
Patent GB-671509-A (GB)
Title: Improvements in or relating to light-reflecting display signs
IPC: G09F13/16
Filed: 1950-04-03
Abstract: 671,509. Signs. WHITE, A. R. July 13, 1950 [April 3, 1950], No. 8244/50. Class 3(ii) A display sign comprises a plurality of small concave specularly reflecting discs 12 secured by adhesive to a base 10 of substantially non-reflecting material which is stretched over a foundation 11, a transparent protective covering 13 overlying the discs and the exposed surface of the base and being secured to the foundation. The discs may be sequins arranged to form a design and the base, may be black serge, felt or paper. The discs may be of different colours and the transparent sheet 13 is secured to the foundation 11 by adhesive tape 14 having a superimposed decorative binding 15.