baber/WOPTO huggingface dataset:
Patent GB-1104089-A (GB)
Title: Injection moulded articles essentially consisting of polyethylene terephthalate and processes for the manufacture thereof
IPC: C08L67/02
Filed: 1966-09-08
Abstract: Injection moulded articles consist essentially of polyethylene terephthalate having a crystallinity of at least 25%, the crystals being not more than 5 microns in size and the polyethylene terephthalate having a relative viscosity of at least 1.65 determined at 25 DEG  C. in a solution of 1 gram of polyester in 100 grams of m-cresol. The articles preferably contain 0.001 to 0.5% by weight of a solid nucleating agent having a particle size of not more than 2 microns, e.g. titanium dioxide, graphite, carbon black, magnesium oxide, calcium carbonate, calcium sulphate, finely divided copper or antimony, talcum powder, glass powder or antimony trioxide. These nucleating agents may be added during or after the manufacture of the polyester. To improve their crystallinity, the injection moulded articles may be treated with an organic liquid e.g. benzene, toluene, chlorinated hydrocarbons, nitromethane, acetone or lower alcohols.
Patent GB-1070257-A (GB)
Title: Spinning thermoplastic polymer filaments
IPC: D01D5/092
Filed: 1964-10-02
Abstract: Continuous filaments of a thermoplastic polymer have coils which render them suitable for use in bulked yarn.  Such filaments have a substantially uniform high helical crimp made up of a plurality of substantially regular loops in which the ratio R/r is from about 1.1-1.5, especially 1.3-1.5, where R is the radius of curvature of the outside of the loop and r is the radius of curvature of the inside of the loop.  Specified materials include isotactic polypropylene, polyacetal resins, poly-3-methylbutene and other polyolefins, e.g. poly-4-methyl pentene, and blends and copolymers thereof.
Patent GB-1128170-A (GB)
Title: Water-in-oil emulsion
IPC: C09K23/00
Filed: 1965-09-23
Abstract: 1,128,170. Pharmaceutical and cosmetic bases. ATLAS CHEMICAL INDUSTRIES, Inc. 23 Sept., 1965 [30 Sept., 1964], No. 40679/65. Heading A5B. [Also in Division B1] A water in oil gel base suitable for the preparation of cosmetic and pharmaceutical products comprises an aqueous solution of sorbitol containing from 5% to 70% by weight of sorbitol and a glycerol partial ester of oleic acid containing at least 35% by weight of monoglyceride. In the Examples, the gel base is used in a cosmetic cream base, a sunscreen cream and lotion, a pigmented makeup base, a sulfur cream, a zinc oxide cream, a calamine cream, a Vitamin A - Vitamin D composition. Anti-histamines, analgesics, cod liver oil and pern balsam are also mentioned.
Patent GB-1287121-A (GB)
Title: Electrical insulating material and processes for making them
Inventor: GOURLAOUEN HENRI
IPC: C10M107/04
Filed: 1969-08-15
Abstract: 1287121 Ethylene-propylene copolymerization products and compositions ESSO RESEARCH & ENG CO 15 Aug 1969 [28 Aug 1968] 40976/69 Addition to 1237951 Heading C3P [Also in Division C5] A composition comprises the solid product separated from a material obtained by copolymerization of ethylene and propylene in a solvent under specific conditions and an oil base which is a mineral oil or the above mentioned copolymerization product from which the solid material has not been separated. In the copolymerization, the molar feed ratio of ethylene to propylene is from 6 : 4 to 3 : 7, the process is effected at - 40‹ C. to + 80‹ C. in the presence of an organometallic compound-transision metal compound catalyst, and the weight ratio of solvent to total dissolved polymer at the end of the copolymerization being 10 : 7 to 1 : 3. In the example, the catalyst is Al(C 2 H 5 ) 3 -TiCl 4 .
Patent GB-1150963-A (GB)
Title: Furnace Door for High Temperature Furnace
IPC: F27B3/10
Filed: 1966-09-14
Abstract: 1,150,963. Water-cooled furnace doors. UNITED STATES STEEL CORP. 14 Sept., 1966 [4 Oct., 1965], No. 41043/66. Heading F4B. A water-cooled open hearth furnace door 16 is divided into two compartments 40, 42 by a central partition 38 and each compartment has a water inlet 48 and a baffle 50 whereby the water enters at a bottom corner 52, leaving by an outlet pipe 54 at the diagonally opposite corner 58. The disposition of the inlets and outlets induces circulation around the compartments as indicated by the arrows 2. In modifications, Figs. 5-7 (not shown), the circulation may be reversed, the baffles 50 may be near the central partition or they may be curved and branched to give inlets and outlets at opposite corners on the same side of the compartments.
Patent GB-1448142-A (GB)
Title: Apparatus for washing and drying strip material
IPC: G03D3/13
Filed: 1973-08-31
Abstract: 1448142 Drying strip material AGFAGEVAERT AG 31 Aug 1973 [2 Sept 1972] 41092/73 Heading F4G [Also in Division G2] An apparatus, e.g. a film processing apparatus, comprises means, e.g. a tank 15 for washing strip material 1, means, i.e. a drier 19, for drying the washed strip material 1 by heat and a first heat exchanging means 26 which is in thermal contact with the drying means 19 and which, in operation, is in thermal communication with washing liquid being supplied to the washing means. A further heat exchanging means in series or parallel with the first heat exchanging means may be provided in thermal contact with the drying means 19. As shown the drying is effected by heated air the heat exchanging means being located downstream of the strip material, that is in the drier outflow channel 24. The first heat exchanging means 26 comprises a finned pipe (Fig. 2, not shown) through which washing liquid flows, the first heat exchanging means 26 being in series with two further heat exchanging means 29, 31 the first 29 in a developing tank 9 and the second 31 in a fixing tank 4. Fluid is circulated in the tanks 9 and 14 by respective pumps 12 and each has an overflow pipe 10 connected to a drain 11. Washing fluid passing through the heat exchanging means finally flows into the tank 15 which is also provided with an overflow pipe. The developing tank 9 is provided with a heater 30 fitted in the region of the return flow generator 9b and the heat exchanging means 29 is in the vicinity of the intake aperture 9a of the pump 12. Strip material 1 is fed into the apparatus by a pair of feed rolls 3, 4 with which co-operates a screening device for controlling an electromagnetically operated valve in the washing liquid supply to the first heat exchanging means 26. The scanning device may feed pulses given out at a rate corresponding to the rate of passage of the strip material to a pulse store. After a predetermined number of pulses have reached the store the valve is actuated and remains actuated until the store is cleared.
Patent GB-1519889-A (GB)
Title: Pneumatic material-classifying apparatus
IPC: B07B4/02
Filed: 1976-10-04
Abstract: 1519889 Pneumatic separating ALLISCHALMERS CORP 4 Oct 1976 [9 Oct 1975] 41094/76 Heading B2H Apparatus for pneumatically classifying particulate material comprises a column 3, means (15) Fig. 1 (not shown) for drawing air upwardly through the column, a chute 31 for feeding solid material into the column intermediate its ends, and a baffle plate 42 pivotally adjustable about a horizontal axis c-c' and positioned in the column below the intersection with the chute 31. The baffle plate 42 may be secured in any desired angular position and is also movable vertically or horizontally by sliding its journals in slots 51 or 52 in the walls of the column. Adjustment of the position of the baffle plate controls the turbulence created by a vortex which forms about an axis d-d' and this controls the separation characteristics of the particulate material. The lower part 20 of the column may have a rectangular cross-section and the upper portion 26 may be cylindrical. The chute 21 is provided with an air lock feeder 32. Another vortex V-1 forms within a mid portion 30 of the column 3. The apparatus may be used to classify refuse, the heavy particles falling down the column 3 onto a conveyor (5) and the light particles being entrained by the air stream and subsequently removed therefrom in a cyclone (9) Fig. 1 (not shown).
Patent GB-1384284-A (GB)
Title: Time switch assemblies
IPC: G04C23/10
Filed: 1972-09-06
Abstract: 1384284 Time switches D GRASSLIN [trading as DIETER GRASSLIN FEINWERKTECHNIK] 6 Sept 1972 [6 Sept 1971 23 Feb 1972] 41252/72 Heading HIN A time switch assembly comprises a housing 1 provided with a removable one-piece viewing cover 5 and an'electrical connecting system 12, one face 3 of the housing being provided with a time switch scale and programme selector device 9, wherein said one face has first clip elements 4 and said cover 5 has second clip elements 6 adapted to engage said first clip elements 4 for bayonet-type attachment of said cover 5. The cover 5 may have a knurled edge 10 and an integral tongue 8 with a hole to receive one of the two screws 7 fixing the face frame 3 to the housing body. A lead seal may be attached to screw 7 to prevent unauthorized tampering. The elements 4 may be provided with stops (14, Fig. 2, not shown) or detents (15) to limit rotation of cover 5. Tappets (17, Fig. 2, not shown) may clip on to the periphery of timing disc 9 and these may carry "on" and "off" symbols identifiable by viewing and/or touch and applied by printing, embossing, engraving, adhesion or welding. Terminal tag contacts 12 may receive push-on sockets (18, Fig. 3, not shown) with right-angle extensions (19) for connecting into a printedcircuit board (30). Alternatively the sockets may have screw connectors (23, Fig. 4, not shown). A cover (26) may enshroud the connectors (23).
Patent GB-1261601-A (GB)
Title: Cooling apparatus
Inventor: BROOKER ARTHUR ALFRED
IPC: F17C6/00
Filed: 1969-08-19
Abstract: 1,261,601. Refrigerating. DEFENCE, SECRETARY OF STATE FOR. 1 July, 1970 [19 Aug., 1969], No. 41255/69. Heading F4H. Cryogenic liquid in the form of droplets suspended in a gas carrier is supplied through a delivery tube 15 into a hollow finger 21 to cool a load 23 housed in a housing 27 externally of the finger, the end of the finger adjacent the load being closed by material of good thermal conductivity. The upper end of the finger is sealed to a chamber 25 surrounding a portion of the tube 15 having apertures 31 therein for separation of the gas phase from the liquid, the gas passing out of the chamber through an outlet pipe 29. A temperature sensing system 19 provides closed-loop control of coolant flow.
Patent GB-1402116-A (GB)
Title: Methods and apparatus for the distillation of liquids
IPC: C02F1/10
Filed: 1972-09-06
Abstract: 1402116 Distilling sea water NORDNERO AB 6 Sept 1972 [6 Sept 1971 11 July 1972] 41335/72 Heading BIB  Liquid, e.g. sea water from tank 2 or directly from the sea is heated as it passes through heat exchanger 4, and it then passes to evaporate 6 where it meets countercurrent cooler gas stream from pump 9, which gas evaporates some of the liquid and carries the vapour to condensor 7 where the gas stream contacts a second liquid which cools the gas and condenses the vapours in the gas, which condensate the second liquid carries to tank 11 via heat exchanger 4 where is transfers heat to the first liquid. The cooled gas is recycled via pump 9 to the evaporator 6.
Patent GB-907898-A (GB)
Title: Improvements in or relating to diapers
Inventor: CARUS ALEXANDER FRANCIS HUBERT
IPC: A61F13/15
Filed: 1959-12-08
Abstract: 907,898. Laminates. CARUS & SONS Ltd., ALEXANDER. Dec. 7, 1960 [Dec. 8, 1959], No. 41652/59. Class 140. A disposable diaper comprises an inner layer 11 of flexible absorbent fibrous material and a flexible outer cover 12 of a fibrous material coated with a moisture-repellent or non-absorbent material, the outer cover being perforated as at 13 on one face. The diaper may be produced by locating centrally a square pad of the material 11 on a cover material 12 which is of greater length in one dimension than the length of the pad side, providing perforations 13 in the cover material over a triangular area, folding the pad and cover material about a diagonal, and folding and securing the overlaps 12a of cover material. The absorbent pad may be cellulosic wadding or fluff made from wool or cotton fibres. The outer covering may be cellulose wadding coated on one side with polyethylene, or high wet-strength paper coated with polypropylene. The outer covering may also be covered by a layer of non- woven gauze made of adhesively united threads applied to the coated tissue side by application of heat. The securing of the overlaps may be by heat-sealing, stitching, embossing, or the use of adhesives.
Patent GB-1007857-A (GB)
Title: Explosives
IPC: C06B47/00
Filed: 1962-11-05
Abstract: An explosive composition having an oxygen balance of from -25 to +25 comprises frilled ammonium nitrate and a senzitizer comprising a liquid hydrocarbon and a liquid nitroalkane, together with a mutual solvent for the two liquids if necessary; alternatively the sensitizer may be a ketone.  The sensitizer may be poured on to the ammonium nitrate at the site and is absorbed by the porous prills to 25 to 100% saturation.  Extra sensitizer may be added to fill the interstices between the ammonium nitrate prills and to give the explosive a bulk density greater than that of water; such an explosive may be placed in a polyethylene bag and used under water. A yellow dye may be incorporated in the sensitizer to indicate that the explosive is ready for use. Liquid hydrocarbons referred to are benzene, toluene, xylenes, hexane, cetanes, heptanes, cycloheptane, methyl cyclohexane, iso-octane, gas oil, furnace oil, residual fuel oil, gasoline, kerosene, ligroin, and a high boiling aromatic oil. The preferred nitroalkane is nitromethane. Suitable mutual solvents are dimethyl ketone, methyl ethyl ketone, diethyl ketone, diisopropyl ketone, dibutyl ketone, methyl isobutyl ketone, benzene, diethyl ether, diisopropyl ether, methyl alcohol, butyl alcohol, and a mixture of benzene, naphthalene, and acetone. Ketones which may be used per se as the sensitizer are acetone, cyclohexanone, methyl isoamyl ketone, methyl isobutyl ketone, methyl ethyl ketone, and ethyl isopropyl ketone. Specification 1,007,856 is referred to.
Patent GB-1498636-A (GB)
Title: Flame-resistant polyolefin moulding composition and method of crosslinking same
IPC: C08L21/00
Filed: 1975-10-10
Abstract: 1498636 Polyolefin compositions containing zirconium oxide YAZAKI SOGYO KK 10 Oct 1975 41707/75 Heading C3P The smoking of polyolefin compositions rendered fire-resistant by the incorporation therein of a chlorine-containing material is suppressed by the incorporation of zirconium oxide. Suitable materials are chlorinated wax and chlorinated polyethylene. Aluminium oxide or aluminium hydroxide may also be added to enhance the effect.
Patent GB-905162-A (GB)
Title: Improvements in or relating to feeding pens for animals
IPC: A01K1/02
Filed: 1959-12-11
Abstract: 905,162. Animal feeding pens. TAYLOR, J. H. Dec. 9, 1960 [Dec. 11, 1959], No. 42113/59. Class 5(2). An animal feeding pen particularly for pigs comprises entrance doors 15 at the rear of the pen which are locked and unlocked by means of a linkage 17 operable by a handle 18 at the front of the pen, and a further door or an opening which is normally closed by a feed hopper 19 attached to a framework 24 and held in place by releasable catches 22, the hopper being removed to provide an exit from the pen. The hopper may be provided with laterally projecting stubs 20 which rest on brackets 21, hinged to the pen, or mounted on the framework so that it can be slid upwardly. Alternatively the hopper may be sufficiently shallow to allow the animal to step over it when a door at the front of the pen is opened.
Patent GB-1116514-A (GB)
Title: Improvements in semiconductor lasers
IPC: H01S3/0959
Filed: 1965-10-05
Abstract: 1,116,514. Semiconductor lasers. BATTELLE DEVELOPMENT CORPORATION. 5 Oct., 1965 [21 Oct., 1964], No. 42238/65. Headings H1C and H1K. In order to vary the wavelength of laser emission from a semi-conductor crystal laser the crystal is provided with an energy gap which varies continuously over the crystal length and a beam of electrons is deflected over the crystal length. The semi-conductor crystal 10 has front and rear surfaces 15, 16 polished and made parallel to each other so as to form a Fabay-Perot resonator perpendicular to the direction of an electron beam 1 la from electron gun 13. The composition of the semi-conductor material 10 varies continuously from surface 17 to surface 18 so as to have a continuously varying energy gap, Fig. 2 (not shown), the gap being greatest at end 17 and smallest at end 18. When a beam of electrons is directed to the middle of material 10 with no control voltage applied to deflection plates 14 the electrons penetrate the surface of the material 10 to a depth of about 5 to 10 microns creating hole-electron pairs constituting an inverted population of charge carriers in this region. Above a threshold value of the current from the electron beam stimulated emission 19a occurs at a wavelength determined by the energy gap at this location. By causing the electron beam to be deflected to the left 11b a shorter wavelength 19b than wavelength 19a can be obtained and by deflecting the beam to the right 11c a longer wavelength 19c can be obtained. The semi-conductor crystals may be alloys such as Such crystals may be obtained by any of the following methods. (1) By means of a chemical vapour transport reaction gallium, arsenic and phosphorus are applied to a gallium arsenide single crystal and the quantity of phosphorus is continuously increased over the quantity of arsenic. (2) By heating in contact a gallium arsenide crystal and a gallium phosphide crystal. (3) By heating a gallium arsenide crystal in a phosphorous atmosphere. (4) By diffusing or alloying various doping compounds into the crystal so that a conduction band and a valence band of different widths are obtained. Other alloys may be Ga(As 1-x Sb x ), (Ga 1-x In x )As and (Ga 1-x In)Sb.
Patent GB-1021249-A (GB)
Title: A relay for rocket weapons
IPC: F42B3/00
Filed: 1964-10-19
Abstract: 1,021,249. Projectile fuses. BOFORS A.B. Oct. 19, 1964 [Oct. 22, 1963], No. 42585/64. Heading F3A. A rocket relay has a body in which there is a chamber for containing a pyrotechnic charge 26, electrical means 23 for detonating the charge, an electrically conductive link 30 for closing a circuit external to the relay and a piston 32 arranged within the body and actuable by detonation of the charge to break the link and thereby the circuit. The body comprises separable parts 20 and 21 and the link 30 one or more wires supported between two pins 28 and 29, the wires being broken by a projection 34 on the piston. The link forms part of a circuit including an activatable battery, four tracer igniting devices and a switch which is closed after the rocket has moved a predetermined distance. A switch in a stationary control device may cause the link to break as soon as the battery is activated so that only one tracer, instead of four, is ignited.
Patent GB-1449665-A (GB)
Title: Rolling mill
IPC: B21B39/08
Filed: 1973-09-11
Abstract: 1449665 Rolling mills MORGARDSHAMMAR AB 11 Sept 1973 [11 Sept 1972] 42706/73 Heading B3M A strip rolling mill has pairs of roll stands 12 and 16 on either side of a main stand 14 both for reducing a strip 18 and for producing forward and back tension in the strip as it is rolled. The rolls 32, 34 in stand 12 apply a back tension to the strip and are only driven during initial threading of the strip. The rolls 36, 38 in stand 16 apply a forward tension and have their speed controlled in such a way as to control the reduction in the main stand 14. The strip reduction in the three stands is 10-40%, 40- 60%, and 1-10% respectively. The three stands are rigidly connected together to form a closed-loop force transmitting assembly. Coarse control of the screwdown in the stands is effected by mechanisms 58, 68 and 76, but fine control is made by adjusting the rolling speed in stand 16. The speed is varied according to the strip tension measured by gauges 116 between the stands, and may be automatically or manually adjusted.
Patent GB-1273430-A (GB)
Title: Improvements relating to drums
Inventor: KINNA NORMAN GEORGE
IPC: B65D3/14
Filed: 1969-08-28
Abstract: 1,273,430. Portable containers. BOWATER PACKAGING Ltd. 18 Aug., 1970 [28 Aug., 1969], No. 42824/69. Heading B8D. The ends of a flexible strip 15 which extends across the underside of a base 3 of a wound fibrous sheet drum 1 to form a hand grip, are trapped within the deformed edge portions 9 and 11 of the drum body and base. The deformed drum edge portions are reinforced by a metal chime 13, the edge 17 of which bites on to the strip when the drum end is formed. The strip may be of woven fabric of natural or synthetic, e.g. plastics, material, and may be preformed with the ends turned down at an angle corresponding to the curvature of the drum body, Fig. 2 (not shown).
Patent GB-864555-A (GB)
Title: Vents for centrifugal casting moulds
IPC: B22C7/06
Filed: 1959-12-17
Abstract: 864,555. Centrifugal casting-machines. AMERICAN CAST IRON PIPE CO. Dec. 17, 1959 [March 31, 1959], No. 42890/59. Class 83 (1). In a centrifugal casting-mould, a vent comprises a core member 17 within a vent hole 15, rotation of the core member causing a scouring of the walls of the hole. The mould is lined with resin-bonded sand as described in Specification 717,515. The core 17 is of square, octagonal, star or, as shown, hexagonal shape. It is supported in the vent hole by toothed spring washers 19-21 retained by a sleeve 14 secured by peening 24. The core member is set flush with the mould surface by a jig 25. The member is rotated to clean the hole by a socket wrench. A further modified member has ridges 32, Fig. 8, which feed the scoured material out of the vent-hole.
Patent GB-1471816-A (GB)
Title: Mould for the manufacture of flootwear with moulded sole and  welt
IPC: B29D35/08
Filed: 1975-10-20
Abstract: 1471816 Injection moulding two layer shoe soles ANTONIO NOVA Srl 20 Oct 1975 [21 Oct 1974] 42960/75 Heading B5A Shoes, the soles of which have two layers comprising plastics of different properties and/or colours are made by first injection moulding the lower layer of the sole with upstanding studs extending from the upper surface thereof and then injection moulding the upper layer of the sole between the lower layer and the ramp in the mould shown in the Figures. In the first stage, Fig. 4, auxiliary mould element 7 is placed in the mould cavity formed by jaws 2 and base 3; a protrusion 13 on the lower surface blocks injection passage 10, and there are blind holes 15 (and 12, Fig. 3, not shown), in the lower surface of the element. Protrusions 14 are provided to produce lightening cavities in the heel. Plastics material is then injected through passage 8 to form a lower layer having studs on the upper surface corresponding to the blind holes 15 (and 12) and a hole therethrough corresponding the protrusion 13. The element 7 is then removed, and is replaced by last 5 bearing ramp 6, Fig. 8, a member 16 (e.g. of cardboard) being placed so as to prevent entry of plastics into the cavities in the heel. Plastics material of different properties and/or colour to that constituting the lower layer is then injected via injection passage 10 and the hole 13a through the lower layer to form the upper layer. The upstanding studs on the lower layer serve to improve bonding between the two layers.