baber/WOPTO huggingface dataset:
Patent GB-1202386-A (GB)
Title: Improvements in the treatment of textiles made from polymers of beta lactones
Inventor: OOSTERHOF HENDRIKUS ANTHONIUS
IPC: D06M13/228
Filed: 1967-10-26
Abstract: 1,202,386. Polymer compositions. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 26 Oct., 1967 [28 Oct., 1966], No. 48685/67. Headings C3P and C3R. [Also in Divisions C5 and D1] Compositions used in the treatment of fibres of a polymer of a linear polyester obtained by polymerization of an alpha,alpha-dialky]betalactone in which each of the alkyl groups contains at most 4 carbon atoms, comprise in Examples (V, VI and VII) aqueous compositions containing polyethylene oxides with a reduced viscosity in acrylonitrile of at least 1 at 30‹ C., alone or in admixture with ethoxylated starch or polyethylene glycol 6000, (VIII) an aqueous emulsion containing partially saponified polyvinyl acetate, boric acid, paraffinic mineral lubricating oil, glycerol dioleate, sodium naphtha sulphonate, 2,6-dimethyl-4-tert.-butylphenol and acetic acid, (XVII) polyvinyl alcohol, microcrystalline paraffin wax, glycerol monoacetate, condensation product of 1 mole of tridecyl alcohol and 9 moles of epoxyethane, oleic acid and aminomethylpropanol, (XXIII) a mixture of 2-ethylhexyl silicate and dimethylpolysiloxane of viscosity 10 cp., (XXX and XXXI) ethereal solutions of condensation products of α-methylbenzyl-p-phenol or 4<SP>1</SP>-hydroxydiphenyl sulphone with ethylene oxide (XXXIX and XL) aqueous mixtures of polyethylene glycol stearate or laurate and a siloxane oxyalkylene block copolymer, (XLIV-XLVIII) aqueous mixtures of polyoxyethylene glycol 600, polyoxyethylene glycol 200 monolaurate, and N,N - di(#-hydroxyethyl)lauramide optionally in admixture with polyoxyethylene 200 lauramide, stearamide propyl dimethyl-#-hydroxyethyl ammonium nitrate, dimethyloctyne diol, methoxy ethyl palmitate or diethylene glycol monolaurate, (LXII) an aqueous solution of the condensation product of the dichloride of polyethylene glycol, diethanolamine and stearic acid, (LXIII) an aqueous solution containing a mixture of an addition product of epoxyethane and sperm oil fatty alcohols with a condensation product of stearic acid and #, #<SP>1</SP>- bis(aminopropyl)tridecaethylene glycol ether (LXIV-LXIX) aqueous or methanolic solutions of condensation products of polyvinyl alcohols and aldehydes containing sulphonic acid groups optionally in admixture with a condensation product of stearic acid with a polyamine which has been completely methylated or a condensation product of 1,4-butanediol monostearate or sperm oil fatty acids and ethylene oxide, (LXXXII) an aqueous emulsion containing a condensation product of castor oil and epoxyethane, monopalmitic ester of sorbitan and N,N-dimethyl stearamide, palmitamide, myristamide and oleamide, (LXXXVII and LXXXVIII) an aqueous dispersion containing sorbitan monopalmitate, a condensation product of castor oil and ethylene oxide and soyadimethylethylammoniumethosulphate optionally in admixture with α,#-dihydroxyethyl- α,# - bis(# - stearamidoethyl)urea monoacetate, and (XCI) a mixture of polyamylsiloxane and polymethylsiloxane.
Patent GB-1087608-A (GB)
Title: Improvements in voltage multipliers
Inventor: HERBERT BRIAN KENNETH
IPC: H02M7/10
Filed: 1965-11-17
Abstract: 1,087,608. Rectifying. MULLARD Ltd. Aug. 16, 1966 [Nov. 17, 1965], No. 48844/65. Heading H2F. A voltage multiplier rectifier has resistors or inductors in series with the capacitors as shown. The circuit may supply a load such as an ion pump which has a low impedance initially and then has a high impedance. With a low impedance load (or a shortcircuit) the circuit operates as a bridge rectifier. With a highimpedance load it operates as a voltage multiplier.
Patent GB-1269306-A (GB)
Title: Improvements in or relating to electrophotographic paper
IPC: G03G5/14
Filed: 1970-10-14
Abstract: 1,269,306. Electrophotographic materials. FUJI PHOTO FILM CO. Ltd. 14 Oct., 1970 [15 Oct., 1969], No. 48862/70. Heading HlK. An electrophotographic material has a support of fibrous cellulosic material coated with a water resistant layer comprising clay or an inorganic pigment. Such a coated support may be art paper, machine-coated paper, or baryta paper. On a coated surface an electrically conductive (solvent) barrier layer is formed so as to have a very smooth surface, by castcoating or by subsequent calendering, and comprises a high proportion of colloidal alumina. The alumina may have chloride or acetate ions adsorbed thereon and the layer may also contain colloidal silica, electrically conductive resins, and cationic or neutral polymers such as polyvinylbenzyltrimethylammonium chloride and polyvinyl alcohol. The photoconductive layer may be formed directly on the alumina layer or on an intervening insulating film which controls carrier injection into the photoconductor. Photoconductors used are zinc oxide or a mixture of polyvinylcarbazole and chlorinated diphenyl. Binders used are a copolymer of ethyl acrylate, methyl methacrylate, and acrylic acid; a copolymer of vinyl chloride and vinyl acetate, incorporating ethylphthalylethylglycolate; and a mixture of styrenated alkyd resin and polyisocyanate resin. The back surface of the support may be coated with a layer of carbon and polyvinyl acetate; of a conductive resin; or of potassium polyvinylbenzenesulphonate.
Patent GB-1404610-A (GB)
Title: Distributed resistance-capacitance networks
IPC: H03H1/02
Filed: 1972-10-25
Abstract: 1404610 Resistor-capacitor networks WESTERN ELECTRIC CO Inc 25 Oct 1972 [26 Oct 1971] 49170/72 Heading H1R A distributed resistance-capacitance network comprises two conductive layers 16, 18 separated by dielectric material and wound into a roll, the overlap W c  between the layers being less than 50% of the combined width of the layers when so arranged. The edges of the layers in the roll are contacted along only part of their length, by spraying with solder to form block contacts, in order to produce both a discrete capacitance, i.e. between connected edges, and a distributed capacitance, i.e. between unconnected edges. A distributed resistance is also formed between unconnected edges of the layers. The layers may each be associated with a dielectric strip, the layers covering only part of the width of each strip to prevent short circuiting. In fabrication the layers may be of aluminium, silver, zinc or alloys thereof, vapour deposited or sputtered on to a dielectric strip of paper or plastics material. Alternatively, the layers may be associated with a dielectric strip without being bonded thereto.
Patent GB-1436298-A (GB)
Title: Electrical motor construction
IPC: H02K3/50
Filed: 1974-11-15
Abstract: 1436298 Assembling electric motors ROTRON Inc 15 Nov 1974 [26 Dec 1973] 49544/74 Heading B3A [Also in Division H2] In assembling a stator or rotor of an electric motor, a spring 11, a support member 12, a wound core 14 and an insulating and winding support 15 are mounted on an arbor 10 in that order, a tab 15A on the support 15 engaging a groove 10B in the arbor, the assembled parts being held together firmly by the spring. The end windings 14A, 14B are impregnated with resin and adopt the shape of grooves in the supports 12 and 15. The resin is cured by passing current through the winding. Alternatively, room-temperature curing resins may be employed. If the support member 12 is made of electrically conductive material, an electrically insulating member 13 must be employed.
Patent GB-1154894-A (GB)
Title: A Dumb Waiter
IPC: A47B31/04
Filed: 1967-11-02
Abstract: 1,154,894. Dumb waiters. BREMSHEY & CO. 2 Nov., 1967 [31 Dec., 1966], No. 49842/67. Heading A4H. A folding dumb waiter comprises an upper pair of surfaces 3, 3 pivoted about pins 5, a lower pair of surfaces 4, 4 pivoted about pins 6, two pairs of legs 8 pivoted about vertical axes and a mechanical connection between the pairs of surfaces 3, 4 and the legs 8 so that pivoting one of a pair of surfaces causes one of the other pair of surfaces and one pair of legs to pivot. Each leg is formed by the cranked lower end of a vertical tubular spindle 7 disposed inside a hollow support 1. A bush 10 is slidably mounted on the spindle and has a pin 11 engaged in helical slots 12 in the spindle. The bush also has an arm 13 with a slot 14 in which slides a pin 15 secured to one of the upper surfaces 3 and passing through an arcuate slot 16 in the support 1. Pivoting of the surface 3 thus causes the bush to slide on the spindle and the pin 11 causes the spindle to rotate. The lower surfaces 4 are connected to the upper surfaces 3 by the rods 19. In a modification the spindles 7 have synthetic resin sleeves carrying two helical projections (21, Figs. 9, 10) which fit into grooves (22) in the bushes 10.
Patent GB-1537270-A (GB)
Title: Gangway
IPC: E01D15/24
Filed: 1976-12-06
Abstract: 1537270 Gangways J G BROWN 6 Dec 1976 [5 Dec 1975] 49949/75 Heading B7J A ship's gangway has a first section 2, Fig. 1, engageable with a spigot 32, and pivotally connected to a second section 3 having an end-trolley 4. The gangway, supported at lugs 22, is manoeuvred until the frame 10 Fig. 3 engages the upper side of spigot 32 and is lowered until rollers 13a engage the ship. Thereafter ropes are secured to lugs 23 and members 16 are hydraulically lowered until lugs 16a engage wedge 36b.
Patent GB-1118818-A (GB)
Title: Improvements in or relating to vents
Inventor: STOREY ALBERT JOHN
IPC: E04D13/17
Filed: 1965-11-24
Abstract: 1,118,818. Roofing ventilator. SEALASCREED Ltd. 24 Nov., 1966 [24 Nov., 1965], No. 50025/65. Heading E1W. A ventilator for an asphalt roof comprises a base portion 18 having apertures 25 in an outwardly extending portion thereof through which vapour collecting between a concrete roof screed topping 13 and a asphalt underlay felt 14 can pass to the underside of the base portion 18 and thus into a bore 17 through the body 16 of the ventilator and out to the atmosphere through holes 23. The base portion 18 is set into the topping 13 to communicate with a light-weight roof screed 12 and, if necessary with exposed base concrete 11 whereby vapour may escape from these layers. The upper end of the body is closed by a removable cap 20 having a drip groove 22. The asphalt roofing 15 is terminated in a groove 24 surrounding the body 16.
Patent GB-1324386-A (GB)
Title: Recording and reproducing information in a self-clocking non- return-to-zero format
IPC: G11B15/087
Filed: 1970-10-22
Abstract: 1324386 Digital data stores AMPEX CORP 22 Oct 1970 [27 Oct 1969] 50152/70 Heading G4C [Also in Division H4] Each frame on a video magnetic tape is identified by an address signal recorded in a self-clocking NRZ binary code on a cue track. Each address signal is preceded by a frame boundary signal which includes a flux transition at a known point. The direction of movement of the tape is determined by inspection of the sense of the transition and controls circuitry which decodes the address signal irrespective of the direction.  As described the cue track signals are phase eencoded, i.e. the direction of a flux transition at a clocking instant determines the bit sense, Fig. 1B. The frame boundary signal 42 is aligned with a frame pulse recorded on the control track of the video tape, and is identical for each address signal 41. The boundary signal 42 starts and ends with a bit sequence (11) not occurring in the remainder of the signal (0101 ...), the latter providing clock-rate transitions. One of the flux transitions, a preselected number of transitions away from one or other end, or from both ends, of the boundary signal, is employed to determine the tape direction. The address signal consists of a binary coded decimal representation of a time code (hours, minutes, seconds and frames) indicating uniquely the current frame. Any space left between the end of the address signal and the next boundary signal is filled with spare bits 44 (000 ...). To ensure that no bit-sequence in the address signal can simulate the frame boundary signal every fourth bit is repeated. An encoder, Figs. 3, 4 (not shown), for generating the address and boundary signals is described. The boundary signal is set up in a shift register (62) and gated out to a phase encoder (47) in response to the frame pulse on the control track. A BCD counter (77), initially loaded with the address of the first frame is incremented by each frame pulse, and read out to the phase encoder (47) following the boundary signal, the circuitry ensuring that every fourth bit of the address signal is repeated. A decoder, Fig. 5 (not shown), receives the signals read from the tape. It detects the boundary end signals and the tape direction indicating transition. A clock signal is derived from the flux transitions. The binary signal corresponding to the flux transitions in the address signal is fed to one or other input of a register (106), dependent on the direction of motion of the tape, so that the register presents the address data in the correct order to an output register (107).
Patent GB-1152630-A (GB)
Title: Method of Enhancing Learning Rate and Memory Level and Composition therefor
IPC: A61K31/42
Filed: 1967-11-07
Abstract: 1,152,630. Pharmaceutical compositions. ABBOTT LABORATORIES. 7 Nov., 1967 [10 Nov., 1966; 17 Nov., 1966], No. 5068(67. Heading A5B. A pharmaceutical composition effective to enhance the learning rate and retention level in animals comprises 2-imino-4-oxo-5-phenyloxazolidine and 2-dimethylaminoethanol or a salt thereof (e.g. with p-acetamidobenzoic acid) or L-glutamic acid in..the -ratio of -at, least. 4 moles of the L glutamic acid to 1 mole of the 2-imino-4-oxo-5-phenyl-oxazolidine The compositions may be in a -dosage; unit form containing a pharmaceutically acceptable carrier; for example, they may be in the form of a granulation, tablet, capsule, elixir, emulsion or suppository. Administration may be orally, parenterally or rectally. .
Patent GB-1275440-A (GB)
Title: Disc brake assembly
IPC: F16D55/228
Filed: 1969-10-16
Abstract: 1275440 Disc brakes; preventing squeal GENERAL MOTORS CORP 16 Oct 1969 [6 Nov 1968] 50813/69 Heading F2E A disc brake assembly comprises a caliper 1 including a damping arrangement which damps squeal-producing vibrations thereof, the damping arrangement comprising a resilient deformable element, e.g. a spring 16 which acts to dampen vibrations of the brake pad 6 but which has its movement in a restoring direction limited so that upon release of the brake pad 6 from a disc engaging position, the brake pad 6 has clearances from guide surfaces 10 of the caliper 1. As shown in Fig. 3, a part 15 includes a guide surface 10 and the part 15 is urged by springs 16 which are pressed against a plate 17 in the claiper 1, the movement of the part 15 towards the caliper 1 being limited by stops 20, and towards the brake pad 6 by the engagement of a head 40 of an attachment 19 with a wall 41. As seen in Fig. 4 (not shown), the resilient member comprises a leaf spring (23) which includes the guide surface (10). As seen in Fig. 6 (not shown), the resilient member comprises a deformable plastics ring (28). As particularly described the disc brake has brake pads 6 on either side of the disc which are moved by respective piston and cylinders.
Patent GB-1445289-A (GB)
Title: Diving cylinder assembly
IPC: B63C11/18
Filed: 1974-11-25
Abstract: 1445289 Air cylinders for divers AMF Inc 25 Nov 1974 [15 March 1974] 50880/74 Heading F4P An air diving cylinder 10 is lined by a plastics bag 14, and annular members 16, 17 serve to form a seal between the neck portions of the cylinder and bag, the member 16 being a plastics threaded bushing 16 screwed into the internally threaded cylinder neck, and the member 17 being a plastics plug forced into bushing 16 to clamp the bag neck therebetween. Plug 17 is heat sealed to bag 14 and is provided with a bevel 20 to ease insertion into bushing 16 and a lip 21 to prevent it being pushed through the bushing 16 into the interior of the cylinder.
Patent GB-1394445-A (GB)
Title: Control systems
IPC: B21B37/46
Filed: 1972-11-06
Abstract: 1394445 Automatic control of speed and torque DAVY-LOEWY Ltd 1 Nov 1973 [6 Nov 1972] 51024/72 Heading G3R A rolling mill stand has independently driven working rolls with the driving motors controlled by a system which keeps the torques applied by the motors substantially equal and keeps the sum of the speeds of the motors constant at a given value. As shown the hydraulic motors 12 connected to the rolls are supplied by variable delivery (swash plate) pumps 13 whose swash plate angle is controlled by the control system. In the embodiment described the torque of the motors is signalled by means of pressure transducers 20, 21 and these torque signals are compared at 23 to provide a torque difference signal on line 24. The motor speeds are measured by tachometers 27 and the signals on lines 28 are added and compared with a reference value 31 in comparator 30 to provide a speed error signal on line 32. The signals on lines 24 and 32 are applied together through amplifiers 33, 26 to alter the swash plates of the pumps such that the speed error signal causes both pump outputs to charge in the same sense but the torque error signal causes charges in the opposite sense.
Patent GB-1075227-A (GB)
Title: Cleaning processing equipment, e.g. polymerization reaction chambers
IPC: C08F36/00
Filed: 1964-12-15
Abstract: A polymerization reaction chamber is cleaned with a composition comprising a hydroperoxide, e.g. paramenthane, cumene, diisopropylbenzene or tertiary butyl hydroperoxides, a metallic decomposition catalyst, e.g. ferric octoate, naphthenate, oleate or chloride, vanadium acetylacetonate, tri-normal butyl vanadate, dinormal butyl monochlorovanadate, chromium triacetylacetonate or chromium trioxide and a solvent e.g. heptane, toluene, benzene or kerozene, at a temperature of 70 DEG  to 90 DEG  C.ALSO:A polymerization reaction chamber is cleaned with a composition comprising a hydroperoxide e.g. paramenthane, cumene, diisopropylbenzene or tertiary butyl hydroperoxides, a metallic decomposition catalyst, e.g. ferric octoate, napthenate, oleate or chloride, vanadium acetylacetonate, tri-normal butyl vanadate, di-normal butyl monochlorovanadate, chromium triacetylacetonate or chromium trioxide and a solvent e.g. heptane, toluene, benzene or kerosene, at a temperature of 70 to 90 DEG C.
Patent GB-1275577-A (GB)
Title: Arrangement and method for controlling the displacements of a wafer or like sample in electronic apparatus
IPC: H01J37/304
Filed: 1969-10-17
Abstract: 1275577 Interferometry; programmed control of position COMPAGNIE FRANCAISE THOMSON HOUSTON-HOTCHKISS BRANDT 17 Oct 1969 [25 Oct 1968] 51226/69 Headings G2J and G3N [Also in Division H1] The position of a specimen within a scanning electron beam irradiation apparatus is determined by means of interferometers. In Fig.2, a semiconductor wafer 21 coated with photo-resist is mounted on a block BS which is positioned within a frame 23 mounted on an angular adjustment head adjustable by the knob G; this head in turn is carried by orthogonal carriages which can be moved in the X and Y directions by external servomotors QX and QY. Fine adjustment of the block BS within the frame 23 may be made by means of three Piezo-electric elements CX1, CX2 and CY, and its position may be determined by means of two mirrors AX and AY which co-operate with the other mirrors shown to form three interferometers fed from an external helium-neon laser L through a window 27. The receivers EX1, EX2 and EY for the interferometers include counters for counting the number of fringes, and these supply an input to a servo-circuit AS which controls the inputs to the motors QX and QY and to the Piezo-electric elements CX and CY. The servo-circuit may be connected to a control circuit CS which is capable of controlling the sequence of operations of the servo circuit in accordance with a programme, e.g. to print a number of patterns on the wafer. Electron beam apparatus, Fig. 1 The specimen 5 is mounted within an enclosure evacuated by a pump 4, and is scanned by a beam from the gun 2 to produce secondary electrons which are collected by an electron-multiplier 10, and the output is fed to display tubes 8 and 9 which are scanned in synchronism. In one mode of operation the output of tube 9 is focussed on to a transparency 11 which is a large-scale negative replica of a pattern to be etched on the specimen 5, and a photo-cell 12 feeds a beam-suppressing coil 7 so that an opaque region of the transparency 11 causes the beam to be suppressed whilst a transparent region has no effect. Two diametrically opposed permanent marks may be made on a semi-conductor wafer so that their images on the display 8 may be aligned with a reference mark on the display to establish a reference position and orientation for the wafer.
Patent GB-1175009-A (GB)
Title: Welding Apparatus
Inventor: BENFIELD EDWARD ANDREW
IPC: B23K9/133
Filed: 1968-10-29
Abstract: 1,175,009. Welding by fusion. COMPAK-OMATIC Inc. 29 Oct., 1968, No. 51238/68. Heading B3R. [Also in Division H1] In gas shielded metal arc welding apparatus, the feeding device for the electrode is energized when shielding gas flows and de-energized when the flow of shielding gas ceases and the shielding gas is controlled by a valve in the welding head. Flow of gas through a conduit 45 Fig. 3, in the welding head is controlled by a pinch valve 46 opened by a lever 21. The gas in passage to the welding head flows through a conduit 24, Fig. 2 and past or through a magnet in the form of a spring-loaded piston 28 which, when moved by the gas, actuates a reed contact device 31 to energize the electrode feed motor. The welding head terminates in a cranked guide nozzle 17 which is asymetric and is reversible end-to-end. A contact tube 56 and gas sleeve 57 can be fitted to either end of the nozzle 17.
Patent GB-1346334-A (GB)
Title: Sintered coatings on metal sheets
IPC: B22F7/04
Filed: 1971-11-04
Abstract: 1346334 Sintered coating DURIA-WERK KARL KEMPF K G 4 Nov 1971[5 Nov 1970] 51407/71 Heading C7D A disc or annular steel sheet is coated with a sintered material by applying a rough base coat (e.g. of bronze powder), to a face of the sheet, the coat being bonded to the sheet by a flux agent (e.g. borax and/or a fluoroborate), the sheet is then turned over and the base coat on the under surface of the sheet is placed on a layer of powder in an auxiliary mould and the layer of powder is then sintered to the rough base coat and steel sheet. The layer formed on the steel sheet is compressed after sintering. Teeth on the periphery of the sheet may be masked during powder application to prevent a coat forming thereon.
Patent GB-1330691-A (GB)
Title: Manufacture of continuous webs
IPC: D21F1/02
Filed: 1970-10-29
Abstract: 1330691 Web manufacture NEYRPIC-BMB 29 Oct 1970 [3 Nov 1969] 51446/70 Heading D2A [Also in Division B1] A continuous web of natural or synthetic fibres is produced by feeding a suspension of the fibres in a liquid into a head box, blowing gas such as air into the suspension to increase by flotation the fibre concentration of the suspension in the region of the free surface of the suspension and filtering the concentrated part of the suspension on an endless moving screen. A concentrated suspension of the fibres supplied through a line 8, the gas supplied through a line 9 and liquid from a pump 1 are fed through a diffuser 10, which disperses the fibres in the liquid, and a tube distributor 12 to the headbox 11 where the gas causes the fibres to concentrate in the region of the free surface 14 of the suspension. The headbox 11 is subject to a vacuum which causes some deaeration and evaporation of the liquid and so aids the. concentration of the fibres. The movement of the fibres to the free surface 14 causes them to be agitated to give a multi-directional orientation of the concentrated fibres. The endless screen 17 passes over a filter chamber 3, and the liquid from the chamber 3 is pumped to the pump 1 via a conduit 2 carrying recirculating liquid from the headbox 11. Gas may also be injected into the headbox 11 through nozzles in its floor 20. The screen 17 may be horizontal above the, chamber 3.