baber/WOPTO huggingface dataset:
Patent GB-1445345-A (GB)
Title: Positive-working electron resists
IPC: C08F8/00
Filed: 1972-12-21
Abstract: 1445345 Crosslinkable electron resist materials MULLARD Ltd 21 Nov 1973 [21 Dec 1972] 59063/72 Heading C3P Crosslinkable positive-working electron resists comprise a mixture of (a) a copolymer of a monomer A of the formula and a monomer B of the formula and (b) a copolymer of a monomer C of the formula and a monomer D of the formula wherein each of R 1 , R 2 , R 3 , R 4 , R 6 , R 7 , R 8  and R 9  is H, aryl or alkyl; R 5  and R 10 , which may be the same or different, are alkyl, saturated acyloxy, aryl or -COOR, R being alkyl; and wherein the mixture contains equimolar (50%) quantities of units of monomers A and C, and from 0À5-7À5 mol per cent of units of monomer A. In examples component (a) is a copolymer of methyl methacrylate-methacrylic acid, methyl methacrylate-acrylic acid, methyl methacrylatecinnamic acid or styrene-methacrylic acid; and component (b) is a copolymer of methyl methacrylate-methacryloyl chloride, methyl methacrylate-acryloyl chloride, styrene-methacryoyl chloride or vinyl acetate-methacryloyl chloride. A positive resist pattern is obtained by heating a coating of the mixture of (a) and (b), supported on a substrate, to form carboxylic acid anhydride crosslinks between units of monomers A and C, irradiating the crosslinked coating with a desired pattern of electrons to break the anhydride crosslinks in the exposed areas of the coating, and developing the pattern by washing out the exposed areas of the coating with a solvent; in this process, after heating the coating, any uncrosslinked material may be leached out with a solvent before the coating is irradiated with electrons. The unexposed areas can be removed from the substrate (after being used as a mask) by soaking in a mixture of ammonia and a solvent. The acid and acid halide-containing copolymers used in the examples as components (a) and (b) of the crosslinkable mixture are prepared by polymerizing the monomers in solution or in bulk in the presence of benzoyl peroxide, azoisobutyronitrile or benzoyl peroxide/p-dimethyltoluidine as initiator.
Patent GB-1350196-A (GB)
Title: Doxycyline parenteral composition
IPC: A61K47/02
Filed: 1972-12-27
Abstract: 1350196 Doxycycline parenteral composition PFIZER Inc 27 Dec 1972 [26 Oct 1972] 59710/72 Heading A5B  Aqueous pharmaceutical compositions for parenteral administration comprise a solution in water of from 1 to 10% by weight of a pharmaceutically acceptable acid addition salt of doxycycline, together with at least 3 molar proportions of a water-soluble alkali metal phosphate salt, and at least 3 molar proportions of a pharmaceutically acceptable watersoluble magnesium salt, said composition having a pH value in the range of from 1.0 to 3.5 The doxycycline acid addition salt may be the hydrochloride, hydrochloride hemiethanolate hemihydrate, hydrobromide, sulphate, nitrate, ascorbate, citrate, gluconate, lactate, isonicotinate, gentisinate, pantothenate, salicylate, glucuronate, formate, or glutamate. The alkali metal phosphate salt may be sodium or potassium orthophosphate, metaphosphate, pyrophosphate, tripolyphosphate or hexametaphosphate and the magnesium salt may be magnesium chloride, glyconate, oxide, ascorbate or lactate. The pH value may be adjusted by ascorbic, tartaric, gluconic, glucuronic, citric, gentisic, isonicotinic or glutamic acid. The composition may also contain a water-soluble local anaesthetic such as procaine and lidocaine hydrochlorides.
Patent GB-1435970-A (GB)
Title: Injection moulding machine
IPC: B29C45/16
Filed: 1973-12-27
Abstract: 1435970 Injection moulding machines SWF - SPEZIALFABRIK FUER AUTOZUBEHOER GUSTAV RAU GmbH 27 Dec 1973 [6 Feb 1973] 59883/73 Heading B5A An injection moulding machine, e.g. for making multi-coloured articles comprises a plurality of injection units 25, 27, 29 arranged in fixed positions relative to a fixed mould plate 20 having differently shaped mould cavities 21<SP>1</SP>, 21<SP>11</SP>, 21<SP>111</SP> and adapted to co-operate with a rotatable mould plate 16 having mould cavities 18 of uniform shape, the rotatable mould plate 16 being also capable of mould closing and opening movements. The mould plate 20 is fixed to a carrier plate 22 which is capable of limited movement on guide rods 24 to effect final clamping of the moulds. The mould plate 16 is fixed to a turntable 13 which rotates relative to a base plate 12 fixed to a carrier plate 10. An ejection device 31 operates at position III. The turntable 13 can be adjusted vertically by hydraulic means. The facing surfaces of the base plate 12 and turntable 13 have teeth formed on them for locking purposes. If there are only two injection units, the turntable 13 may have an oscillatory rotary movement.
Patent GB-1283528-A (GB)
Title: An improved method and apparatus for detecting yarns
Inventor: DENT GEOFFREY ALAN
IPC: D01H13/16
Filed: 1968-12-18
Abstract: 1283528 Monitoring yarns CRABTREE ENG GROUP (COLNE) Ltd 27 Oct 1969 [18 Dec 1968] 60081/68 Heading D1F [Also in Divisions G1 and G4] A running yarn or other filament is diluted by a photoelectric measuring system which measures the period of interruption of an energy beam due to lateral movement of the yarn and emits a signal to an actuating device when the signal ceases. In the draw twist frame shown in Figure 1 the yarn 2 is drawn from a supply creel 1 and passed through the eyelet of lappet holder 3 by draw rollers 4 to be wound on package 6 formed on rotating spindle 5. The yarn is rotated about package 6 and this causes a ballooning effect 2a. Lappet holder 2 has a ceramic guide 11 for the yarn and a light source 9 and detector 8 mounted in aligned holes on an axis forming a chord of hole 12. The light source may be a tungsten lamp or an infra-red emitter and the light passes through slit 13 to detector 8. The ballooning yarn interrupts the energy beam twice for every rotation of the yarn to give a detector output signal which varies in dependence on balloon frequency and yarn diameter. The output signal is passed to a monostable multivibrator which holds up a relay while the yarn is running. If a clock pulse signal is counted while the relay is made the length of run can be determined, Figures 5 and 6 (not shown). The device can be used to sound an alarm signal or operate a yarn cutter to prevent further yarn from being drawn into the winding machine.
Patent GB-1420919-A (GB)
Title: Escape boom
IPC: B63C9/22
Filed: 1971-12-30
Abstract: 1420919 Escape boom for offshore structure RESOLUTION ENG & DEVELOPMENT CO 29 Dec 1972 [30 Dec 1971] 60688/71 Heading E1H In order to evacuate personnel from an offshore structure 26, a boom 24 is pivoted at one end 28 to the structure, and is biased from its normal position adjacent the structure by, e.g. gravity to a position in which the outer end of the boom 24 is spaced from the structure. At least one lifeline preferably extends from the platform 16 of structure 26 to a head 30 pivoted to the outer end of boom 24. The boom is hollow and is divided internally into a plurality of compartments 58, 60 which are trimmed so that the pivoting of the boom is controlled, and the beam itself has slight negative buoyancy, the combined boom and head having positive buoyancy. In another embodiment the boom is pivoted at its upper end to the platform 16, the other end of the boom being held below water when not in use Fig. 8 (not shown). When in use the boom is raised by buoyancy, and may provide a stairway from the platform to the head (76), being provided with steps and a rail in addition to the lifelines. In a further embodiment, Fig. 9, a counter weighted boom 98 is held when not in use, in a horizontal position adjacent platform 16. When released, a turntable (112) Fig. 10 (not shown) combined with a cam and cam follower arrangement pivot the boom away from the platform and lower the head 102 to the water surface. Various life saving equipment may be stored in the head at the end of the boom.
Patent GB-1329158-A (GB)
Title: Traffic control system
IPC: G08G1/081
Filed: 1970-12-22
Abstract: 1329158 Road-traffic control OMRON TATEISI ELECTRONICS CO 22 Dec 1970 [23 Dec 1969] 60842/70 Heading G4Q In a road traffic control system, traffic information from an area is collected and processed, at a control processing unit (C.P.U.) to provide the control information. Variable display units, arranged in groups in the road network, are supplied with the control information in accordance with a predetermined program set in the processing unit, the same information being applied to the display units of the same group. The display units may be controlled automatically, semi-automatically or manually. The main roads, R1, R2, R3 and R4 meet at A, B, C and vehicle detectors on the roads transmit information to the local stations S1 S2, S3, S4 from which it is transferred, e.g. every five minutes to the central station, M. The traffic data is collected at the central collecting device (50), is transferred to the C.P.U. and processed. The variable local display units (67) are operated from the C.P.U. either automatically or manually. In manual operation the operator at the control desk (62) selects the group of display units on which a given instruction is to be displayed.
Patent GB-1282590-A (GB)
Title: CATALYTIC PROCESS FOR THE PRODUCTION OF p-DIOXENE
Inventor: SNAPP THOMAS CARTER
IPC: C07B61/00
Filed: 1969-12-18
Abstract: 1282590 Dehydrogenation catalysts EASTMAN KODAK CO 18 Dec 1969 [26 Dec 1968] 61762/69 Heading B1E [Also in Division C2] A solid catalyst for use in the dehydrogenation of diethylene glycol to give p-dioxine comprises a silica support containing at least 99% by weight of SiO 2  and having a surface area of at least 500 sq. metres/gram and one or more of the metals, copper, silver, nickel, chromium, platinum or palladium. The catalyst may be prepared by impregnating silica gel of the specified purity and surface area with a salt of the metal which on heating gives the oxide and reducing the metal oxide so formed to give the metal. Preferably the support should have impregnated thereon 3- 20% by weight of metal catalyst. Examples describe the use of catalysts consisting of 10% copper or silver on silica gel.
Patent GB-1301108-A (GB)
Title: A reciprocating piston type unit having an hydrostatic thrust bearing system
IPC: F01B3/00
Filed: 1969-12-22
Abstract: 1301108 Fluid bearings CATERPILLAR TRACTOR CO 22 Dec 1969 [17 Jan 1969] 62369/69 Heading F2A [Also in Division F1] An hydrostatic thrust bearing has a plurality of pockets 36 disposed annularly in a member 10, each pocket being connected to a source 38 of pressurized fluid, each pocket containing a bearing member 35 mounted for axial and tilting movement. Each bearing member has a bearing pad 50 with a central recess, which is in communication with the source of pressurized fluid and which is surrounded by a raised circular sill. The bearing members are in bearing engagement with a thrust surface towards which they are urged by the fluid pressure. The members are located in blind bores which are disposed around the periphery of a radial thrust flange 10 and may be connected so that pressure is supplied to some of the bores from one source and to other bores from another source. Preferably the bores are connected to form two semicircular sets of pockets. Each pad may contain a filter 54 for the fluid.
Patent GB-719355-A (GB)
Abstract: 719,355. Drafting fibres. GUIMBRETIERE, L. F., POLLET, A. G., and SOREZ, E. J. Oct. 27, 1952 [Nov. 8, 1951], No. 26873/52. Classes 120(1) and 120(2) A sliver of staple fibres is drafted by feeding the sliver at a low speed, gripping the forward edge of the sliver by a gripping device which acts on a fraction or fractions of the edge, operates in a cycle or cycles of steps across the full breadth of the-sliver and draws forward fibres at a speed greater than the feed speed. In one form of apparatus, Fig. 3, a web of fibres 1 is fed by canvas belts 2 towards a strip 11 faced with rubber. A roller 13 provided with a helical strip 14 is intermittently urged by a spring 16 acting through levers 17, 18 towards the strip 11, so that the part of the strip 14 that is pressed against the strip 11 clamps a group of fibres from the leading edge of the web 1. When a group of fibres has been clamped in this manner, the belts '2 are raised by levers '24, 26 and a plate 29 through a distance equal to the average fibre length. so that the clamped group of fibres is drawn from the web and may then be released to fall into a conveyer system 126 for transfer to a transverse conveyer 30. The roller 13 is reciprocated for clamping by the spring 16 and a cam 19. At each reciprocation, a pawl 21 turns the roller 13 to operate on the next adjacent group of fibres at the next clamping action. The rollers 3, 5 operating the belts 2 are driven by chains from an electric motor through a reduction gear unit 9. In an alternative form of apparatus, the roller 13 is replaced by a loose pulley of narrow width mounted to apply intermittent pressure against a rubber covered cylinder driven at high speed so that the pulley and cylinder, when in contact, draw groups of fibres from the web held by the belts 2 without upward movement of the belts. The pulley is moved transversely across the web at each reciprocation. Instead of the pulley, a roller with a helical groove may be used in association with a further roller to clamp the entire web except at the groove and belts beneath the two rollers draw fibres from the web where the groove causes them not to be clamped. In a further alternative form of apparatus, the helically grooved pulley may be replaced by a cylinder cut in the form of a worm. In another embodiment, Fig. 8, two webs are fed between rollers 61, 62 and belts 63 and between belts 68, 69, the latter of which is provided with projections arranged to draw off groups of fibres in succession and feed them to a conveyer belt 74 from which they pass to a spindle 77. In another apparatus, Fig. 10, a web is fed on to a perforated cylinder 89 enclosing a cylinder 85 formed with projections 86 arranged to pass through the perforations in turn and clamp groups of fibres against a belt 87 from which they pass to perforated cylinders 92 connected to a suction source.
Patent GB-719722-A (GB)
Abstract: 719,722. Textile spinning &c. machines; driving arrangements. HISPANO SUIZA (SUISSE) SOC. ANON. March 4, 1952 [March 10, 1951], No. 5673/52. Class 120(2) A spinning, twisting. or like machine provided with two parallel rows of spindles driven through worm gearing from a common shaft having its axis in a vertical plane located at mid-distance between the planes of the rows of spindles has the spindles supported by a framework that is symmetrical about a vertical plane that passes through the driving shaft axis. The shaft 3 is mounted within a gear case 1 carried by transverse members 6 slidable on uprights 7 mounted on a base 8. Each spindle 2 carries a worm 5 driven by a corresponding worm wheel 4 on the shaft 3. Pairs of worm wheels 4 are mounted on wheel carriers 22 comprising a slit sleeve having a portion 22a that may be tightened on the shaft 3. In order that rings 13 may be traversed, they may be supported on sleeves 14 slidable on uprights 15 connected by chains 17 to an oscillatable shaft 16. It is stated that the construction lends itself to combination with a high draft drawing device comprising vertically disposed drawing rollers arranged in pairs along the plane of symmetry of the frame, strands of fibres being supplied from cans mounted above the frame.
Patent GB-733555-A (GB)
Abstract: 733,555. Automatic regulation. AMERICAN MACHINE & FOUNDRY CO. April 3, 1952 [April 10, 1951], No. 8523/52. Class 38 (4). [Also in Group XXXVI] A carbon pile voltage regulator consists of the combination of the following constructional features. The pile is mounted within a Steatite tube 12 surrounded by a finned aluminium radiator 15, turned from the solid, slit axially to allow thermal expansion and sprung over the Steatite tube 12. At the lower end of the pile a thin lamination of silver 26 forms a contact and is supported by a plate 30 of laminated silicon fibre glass seated in a stainless steel cover-plate held by four corner studs 38, which screw into pillars 65 clamping the upper and lower magnetic plates 40, 62, and the solenoid core 45. The armature plate 80 has an overhanging portion 82 secured to a leaf-spring hinge 85 fastened to the top plate 40. A counterweight 90 is riveted to the portion 82 to balance the armature. An adjustable spring, Fig. 8 (not shown), bears down on the top of the armature 80. A push-rod 115 of beryllium copper transmits pressure from the armature 80 to the pile through the hollow core. Specification 733,610 is referred to.
Patent GB-744892-A (GB)
Abstract: 744,892. Coating webs. FIRTH & SONS, Ltd., T. F., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. July 25, 1951 [July 27, 1950], No. 18789/50. Class 140. A web 46 of pile fabric or carpet to be cleaned and sized is first passed through tanks 6, 7, 8 and 9 through which grease solvent flows in countercurrent to the travel of the web, the tanks being located in a closed compartment 4 which the web enters through a conduit 1 having a seal 2 and leaves through a conduit 22 leading to a closed compartment 24 wherein the web, while still wet with solvent, is sized, e.g. by spraying or by an applying roll 26. The sized web passes through a conduit 30 to a closed compartment 31 where it is dried, e.g. while passing over steam-heated boxes 33 and two perforated boxes 34 supplied with hot air by a fan 40 and air heater 39. Solvent may be removed by' condenser 42 from the solvent laden air which is then recirculated. Seals 29 and 37 may be provided in the conduits leading to and from the drying chamber 31. The web may, if desired, be passed through a mangle 11 and over suction pipes 12 to remove excess solvent after the degreasing step. A mixture of air, solvent vapour and droplets is drawn through the suction pipes 12 by fan 15 and passed to a cyclone 16 where the droplets of solvent collect and are run off for re-use while the air and vapour are returned to chamber 4 through pipe 17. Specification 744,891, [Group III], is referred to.
Patent GB-2001494-A (GB)
Title: Improvements in or relating to devices for regulating the threshold voltages of IGFET transistors of integrated circuits
IPC: H03H15/02
Filed: 1978-07-10
Abstract: A device is provided for regulating, to a predetermined value, the threshold voltage of IGFET transistors of an integrated circuit by polarization of the integrated circuit substrate. The device may be included in an integrated circuit having a reference line as its common point. The device comprises an IGFET regulating transistor integrated in the substrate and of the same conduction type as the transistors of the integrated circuit. Either the source or the drain of the regulating transistor is connected to the reference line. The source of the regulating transistor is connected to its gate and to a reference current generator. A direct voltage generator is connected between the drain of the regulating transistor and the substrate. In use, the source of the regulating transistor is polarized with respect to the substrate to a value which enables current from the reference current generator to flow through the regulating transistor. <IMAGE>
Patent GB-2030707-A (GB)
Title: Central heating testing apparatus
IPC: F24D19/10
Filed: 1978-10-02
Abstract: Apparatus for testing a wet central heating system is adapted to be fitted in place of one of the components of the system such as the circulation pump. The apparatus has flexible couplings 2 and includes a substitute circulation pump 4. A pressure gauge 5 permits static and dynamic pressure measurement and a rotameter 6 monitors flow rate. An air separator 7 diverts entrained gas to a measuring chamber 8 from which gas is then discharged. <IMAGE>
Patent GB-2030606-A (GB)
Title: Weaving Zip Fasteners
IPC: A44B19/54
Filed: 1978-10-03
Abstract: A woven sliding clasp fastener stringer tape 30 has a weft thread 35 woven in double picks with warp threads 34 and has loops 36 disposed along the fastener selvedge, a core thread 33 extending through the weft loops 36, and a filamentary coupling element 32 having turns 37 each including a pair of limbs 38, 39 between which the core thread 33 is disposed and connecting portions 41 extending between adjacent two limbs 38, 38 or 39, 39 each of the double picks 35 having a portion 42 extending alternately over or under a connecting portion 41 and between the connecting portion 4 and the core thread 33, thereby weaving the coupling element 32 securely in position. Such a stringer tape is manufactured using an inserter for the monofilament and an inserter for the weft, insertable into and withdrawable out of warp sheds, a mandrel vertically shiftable into various shed positions, around which the monofilament is wrapped, lifters to raise or lower the monofil or core thread to enable the weft to wrap there around and some embodiments have two spaced core threads with a woven portion therebetween. In some embodiments the two inserters are also alternately vertically movable so that they vertically cross each other as they are inserted in the shed and also in some embodiments the far selvedge knitting needle is vertically movable. <IMAGE>
Patent GB-2010015-A (GB)
Title: Switchgear locking device
IPC: H02B11/133
Filed: 1978-11-02
Abstract: A locking device for a switch arranged on a plug-in or slide-in unit comprises an adjustable element (1) rotatably mounted in the unit (17) which can be operated by a handle inserted at (2) to engage a plunger (3) and cause a Bowden cable (6, 7) to enter a recess in a locking mechanism of the switch. The cable (6, 7) is acted on by an intermediate member (5) connected to the plunger (3) and having a tongue (12) held against rotation by a slot in a member (13). The intermediate member (5) engages a flange (14) when the adjustable element (1) is rotated to draw the contacts of the switch together, and then drops into a recess in said flange, to unlock the switch, when rotation of the adjustable element (1) has been completed. The intermediate member (5) permits the handle to be inserted into the adjustable element (1) only if the switch is in the off position since the Bowden cable (6, 7) can only enter the recess in the locking mechanism when the switch is in this position. <IMAGE>
Patent GB-2013492-A (GB)
Title: Emollient Products Containing Silicones
IPC: B26B21/00
Filed: 1979-01-05
Abstract: An emollient product comprises a mixture of at least two silicone fluids added with isopropyl myristate (20- 30%) and a dye, preferably azulene (0.05-0.5%). The silicone fluids have a viscosity in the range of 5 to 5000 centistokes, but the final viscosity of the product corresponds to 110+/-10 centistokes and the percentages thereof vary in accordance with the respective viscosities.
Patent GB-2013703-A (GB)
Title: Heterocyclic dyestuffs
IPC: C07D311/56
Filed: 1979-01-23
Abstract: Dyestuffs of the formula  <IMAGE>   wherein R1, R2, R denote H, alkyl, alkenyl, cycloalkyl, aralkyl etc. R3, R4 denote H, alkyl, aralkyl, aryl, alkoxy, halogen, CN, COOH, alkoxycarbonyl, alkylsulfonyl, arylsulfonyl etc. Z denotes O, S or -N(R)-, p and q denote 0 or 1, but not simultaneously 0 and G stands for the remaining members of a ring system, with the proviso that R3 is not alkyl if G is a thiazole ring, are outstanding suitable for dyeing fibre materials of all kinds in clear yellow to violet shades with good fastness properties.