baber/WOPTO huggingface dataset:
Patent GB-1181450-A (GB)
Title: Devices for holding and locating housing sections for electrical connectors.
IPC: H01R13/502
Filed: 1967-12-29
Abstract: 1,181,450. Two-part couplings. AMP Inc. 29 Dec., 1967 [19 Jan., 1967], No. 59033/67. Heading H2E. [Also in Division E2] A housing for electrical contacts 20 comprises a top section 12, a bottom section 14, and a plurality of intermediate sections 16, apertures 34 in the sections providing a passageway for an N-shaped clip 42 which has an integral strap connecting two parallel, resilient legs 44 with projections 50 for engaging shoulders 40 in the apertures 34 of sections 14 and 16, and with flanges 48 which extend beyond sections 12 and 14 to hold the sections together. Sections 14, 16 have a plurality of transverse, parallel channels 17 with shoulders 26, 24 which engage respectively the end 21 and an integral lance 22 of a socket contact 20, which may be removed from the housing by depressing the lance 22 with a tool 32 passed through a slot 30. The sections are chamfered at 28 to form lead-ins for plug-contacts, e.g. on a printed circuit board.
Patent GB-1329117-A (GB)
Title: Alternating polymer
IPC: C08F220/10
Filed: 1970-12-11
Abstract: 1329117 Alternating copolymers SUMITOMO CHEMICAL CO Ltd 11 Dec 1970 [11 Dec 1969] 59167/70 Heading C3P Novel copolymers contain units derived from at least one monomer of each of three types A 1 , A 2  and B, as defined below, and have a structure in which units of type B alternate with those of type A 1 , or A 2 . The monomers have formulµ (A 1 ) R<SP>1</SP>CH = CR<SP>2</SP>-OR<SP>3</SP> or (B) R<SP>8</SP>CH = CR<SP>9</SP>-Q wherein Q is -CN or -CO.Y<SP>1</SP>; Y<SP>1</SP> is -Z<SP>1</SP>R, -Z<SP>1</SP>(Me) 1 / k , -NR<SP>1</SP>R<SP>11</SP>, -R or -Hal; Z<SP>1</SP> is O or S; Me is ammonium or a metal of Group I or II having valency k; R, R<SP>1</SP> and R<SP>11</SP> are each H or a C 1 -C 20  hydrocarbon group and R<SP>1</SP> and R<SP>11</SP> together may comprise a divalent C 1 -C 20  hydrocarbon group; R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> may each be a non- polymerizable C 1 -C 20  hydrocarbon or halohydrocarbon group, R<SP>1</SP> and R<SP>2</SP> may also be H or a halogen and at least one of R<SP>1</SP> and R<SP>2</SP> must be H; R<SP>4</SP>, R<SP>5</SP>, R<SP>6</SP>, R<SP>8</SP> and R<SP>9</SP> may each be a C 1 -C 20  hydrocarbon or halohydrocarbon group, H or a halogen, R<SP>8</SP> and R<SP>9</SP> may also be a group -R<SP>10</SP>Q where R<SP>10</SP> is a divalent C 1 -C 20  hydrocarbon or halohydrocarbon group and R<SP>4</SP> and R<SP>5</SP> may also together form such a divalent group; one of R<SP>8</SP> and R<SP>9</SP> must be H. The polymers are prepared by treating the monomers, in bulk or in an inert diluent, with an electron acceptor compound as catalyst. Preferred catalysts are (a) MR<SP>111</SP> n X (3-n)  or a mixture of at least two compounds of different types selected from the types MR<SP>111</SP> n X (3-n) , M<SP>1</SP>R<SP>IV</SP> 3  or M<SP>11</SP>X<SP>1</SP> 3 , where M, M<SP>1</SP> and M<SP>11</SP> are each Al or B, R<SP>111</SP> and R<SP>IV</SP> are organic radicals, X and X<SP>1</SP> are halogens and n is 1 to 2; or (b) an organometallic compound of a metal of Group IIb, IIIb or IVb together with a halide of a metal of Group IIIb, or IVb, the two components being mixed in the presence of at least the type (B) monomer; or (c) a catalyst as defined in (a) or (b) above mixed, in the presence of at least the type (B) monomer, with a halogen, alkoxy, #-diketonate or acyloxy compound of a transition metal. Oxygen or a peroxy or azo compound may also be present. Catalysts described in the examples are (i) EtBCl 2 ; (ii) Et 3 Al 2 Cl 2  + Bz 2 O 2 ; (iii) Et 3 Al + SnCl 4 ; (iv) EtBCl 2 +Co(aOaC) 3 . Exemplified monomers are: (A 1 ) 2-chloroethyl vinyl ether, isobutyl vinyl ether, or allyl phenyl ether; (A 2 ) isobutylene, styrene, vinylidene chloride or isobutylene+isoprene; (B) acrylonitrile, ethyl, methyl or butyl acrylate, or acrylic acid.
Patent GB-1292900-A (GB)
Title: Preparation of nitriles
IPC: C07C255/45
Filed: 1970-12-17
Abstract: 1292900 Nitriles DOW CORNING CORP 17 Dec 1970 [26 March 1970] 59955/70 Headings C2C, C2P and C2U Nitriles (R<SP>11</SP>(CN)b) are obtained by reacting amides or aldoximes of the formulµ R<SP>11</SP>(CONR<SP>111</SP> 2 )b or R<SP>11</SP>(CH = NOH) b   respectively with cyclic silazines of the formula (R 2 SiNR<SP>1</SP>) x ; wherein R is a C 1-7  hydrocarbyl group, R<SP>1</SP> is a hydrogen atom or a C 1-7  hydrocarbyl group, x is 3 or more, R<SP>11</SP> is an organic radical of valency b which is a hydrocarbon radical optionally substituted by certain substituents, b is 1 to 4 and R<SP>111</SP> is a hydrogen atom or a C 1-7  hydrocarbyl radical provided that when R<SP>1</SP> is hydrocarbyl both R<SP>111</SP> groups are hydrogen atoms.
Patent GB-1151066-A (GB)
Title: Surface Effect Machines.
Inventor: BERTIN J H
IPC: B60V3/02
Filed: 1966-04-29
Abstract: 1,151,066. Air cushion vehicles; endlesstrack vehicles; propeiling vehicles. BERTIN & CIE. 29 April, 1966 [30 April 1965], No. 60087/68. Divided out of 1,151,065. Headings B7H and B7K. [Also in Division F2] An air cushion vehicle has a platform 28, a chassis 1 and a flexible wall 3 connected at its outer periphery to the chassis and at its inner periphery to a perforated plate 7. The chassis and the plate are interconnected, for example, as shown by telescopic struts 29, 30 and the chassis and platform are articulated, for example, by means of a rod 32 with a ball joint 55 on the chassis. The wall may have openings 13 to form an inwardly directed air curtain. A plurality of chassis may be articulated to the platform; preferably each with an independent air supply, and may each form a cushion above a belt which is either endless or is wound on drums mounted at the ends of the platform and driven to propel the vehicle (see Fig. 3).
Patent GB-1240510-A (GB)
Title: Improved thyristor
Inventor: BOKSJO CARL INGVAR
IPC: H01L29/00
Filed: 1968-12-23
Abstract: 1,240,510. Semi-conductor devices. ALLMANNA SVENSKA ELEKTRISKA A.B. 23 Dec., 1968 [28 Dec., 1967], No. 60982/68, Heading H1K. In a thyristor having four layers of alternately opposite conductivity types, the two outer, or emitter layers 2, 5, have a comparatively low resistivity and the two inner, or base layers 3, 4, have a comparatively high resistivity. The base layer 4 is much thinner in the region around the ignition electrode 10 than elsewhere, this being achieved by providing it with a depression 4<SP>1</SP> in the ignition area which is substantially circular. The emitter 5 is arranged to have an opening in this area, allowing direct contact to the base layer 4, the opening being of smaller diameter than the depression so that the emitter 5 contacts the bottom of the depression. As the distance between the emitter 5 and base 3 is small here ignition is rapid. The relatively thick base layer 4 outside the ignition region, contacted by contacts 15, 15<SP>1</SP> protects against dV/dt ignition, the capacitor 16 providing a low resistivity current path across the emitter junction at steeply increasing forward blocking voltages while electrode 10 is negatively biased. n-Type silicon is used as the basic material for the thyristor, diffusion with gallium providing the p-type regions, the nemitter layer 5 being formed by alloying a gold antimony alloy to the surface of base region 4. A further embodiment is described, Fig. 2, not shown, of a similar device operated by light, in which the ignition electrode is absent, and replaced in its function by a diode lamp. As an alternative to reducing the thickness of the base layer 4 in the ignition region, gold can be diffused into the surface of the device in such a quantity as to reduce the minority carrier lifetime everywhere except in the ignition area, a phosphorus layer having been provided here to provide a "getter" preventing the gold from having effect.
Patent GB-1274333-A (GB)
Title: Improved pack of cards
Inventor: NEIL MICHAEL WELLS
IPC: A63F1/02
Filed: 1969-12-18
Abstract: 1,274,333. Card game. M. W. NEIL. 19 APRIL, 1971 [18 Dec., 1969], No. 61648/69. Heading A6H. A pack of cards comprises a first set (Fig. 1) of cards each bearing a musical notation symbol, and at least one other set of cards identifying the notation symbol either by means of a letter (Fig. 2) or an illustration of a keyboard with the note marked. A further set of cards may combine the identification with the notation. The cards may be used to play various games including snap and patience.
Patent GB-1220886-A (GB)
Title: Evaporative heat exchange apparatus
IPC: F28F25/08
Filed: 1968-08-08
Abstract: 1,220,886. Evaporative heat exchangers. BALTIMORE AIRCOIL CO. Inc. 8 Aug., 1968 [16 Feb., 1968; 8 March, 1968; 20 May, 1968], No. 62126/69. Divided out of 1,220,884. Heading F4K. Relates to evaporative heat exchangers having surface-presenting means where heat is extracted by evaporation from a fluid to be cooled or condensed, the particular form of heat exchanger described being a cooling tower in which water discharged by sprays 17 on to the surface-presenting means (i.e. packing) 18 is cooled by evaporation in contact with an air stream, the surplus water collecting in a sump located in a region below the surface-presenting means. According to the invention a duct 122 discharges air blown by a fan 129 into said region in which is located a baffle 148 presenting to the discharge mouth of said duct a concave face extending in an arc of more than 90 degrees the lower edge 150 of the baffle projecting into the air stream issuing from the duct and the upper edge 151 of the baffle terminating above the upper extremity of the duct mouth. As shown, the baffle prevents drainage of water into the air duct, said drainage being assisted by sloping the duct into the sump region. The baffle also, in co-operation with a further baffle 153 acts to distribute the air flow uniformly into the surface-presenting means 18. Several units may be joined in a single apparatus in a back-to-back or side-byside arrangement (Fig. 2). Specifications 1,220,884 and 1,220,885 are referred to.
Patent GB-1284427-A (GB)
Title: Ignition and flame detection apparatus
IPC: F23Q1/06
Filed: 1969-12-24
Abstract: 1284427 Burner control and ignition TOKYO GAS CO Ltd 24 Dec 1969 [27 Dec 1968 13 June 1969] 62785/69 Headings F4F and F4T An ignition and flame detection device for a burner 102 comprises an ignition transformer 101 whose secondary winding 101a is connected in series with a spark gap, formed by an electrode 103 which is insulated apart from its tip and a burner tip 104, and a detector circuit 109-121, an A.C. by-pass fitter 106-108 being connected in parallel with the detector circuit. The primary winding 101b of the transformer 101 is connected to a relatively high voltage (e.g. 200 volts) A.C. source for ignition, and after a predetermined time to a low voltage (e.g. 5 volts) A.C. source for flame detection. The signal voltage fed to the bypass filter, comprising a pair of capacitors 106, 108 and a resistor 107, and the detection circuit is limited by a varistor 105 in parallel with the filter. The detection circuit comprises an FET 111 whose gate C and source D electrodes are connected by a resistor 109, across which the D.C. detection signal is developed. The output from the FET 111 is amplified by a pair of NPN transistors 113, 116 connected as a Darlington pair, the output signal being fed toa relay 115 which when energized closes a switch 118 between the contacts a and b, energizing a resistor 119 to apply a "flame present" signal to a misoperation detection logical circuit 120 connected to compare the potentials at points E and F. The A.C. signals fed to the circuit will pass through the filter 106-108 due to the high impedance of resistor 109. The D.C. pulses produced, when a flame is is present, due to rectification by the flame, will be smoothed by the capacitors 106, 108 and the potential across resistor 109 will cause the FET 111 to conduct. The zener diode 117 provides temperature compensation. If no flame is detected, or one of the solid state components 105, 111, 113, 116, 117 fails, the potentials at E and F will differ substantially and a "misoperation" signal will be applied to the circuit 120. In another arrangement, Fig. 1 (not shown), the TT-filter is replaced by a single capacitor, and in the case of flame extinction a relay actuates a safety or alarm device.
Patent GB-737236-A (GB)
Abstract: 737,236. Gyroscopic apparatus. NISTRI, U. Aug. 24, 1953 [Sept. 3, 1952], No. 23299/53. Class 97 (3). A device for obtaining a horizon reference in flight comprises two gyroscopes 1, 2 having three degrees of freedom with their primary gimbal axes 3, 4 at right angles in a common horizontal plane, the gimbal axes 3, 4 carrying index members 7, 8 provided with brushes 9, 10 sliding over electrical contacts 11, 12 connected to electric motors which reproduce the position of the indices. The motors may drive worms meshing with gear wheels on the gimbal axes of two indicators. Movement of the gyroscopes relative to the craft may also be used to operate control surfaces.
Patent GB-2022408-A (GB)
Title: Apparatus for use in escaping from the upper floors of buildings
IPC: A62B1/14
Filed: 1979-06-06
Abstract: An apparatus for use in escaping from the upper floors of buildings includes a length of flexible metal strip (10) having one end a bracket (11) intended to be secured to a part of the building. A guide device (12) has the strip (10) extending through it and is provided with adjustable braking means (16 to 24) for gripping the strip (10). A harness (25, 26) is mounted on the guide device (12). In use, a person wearing the harness can control his rate of descent down the strip (10) hanging from the bracket (11) by adjusting the braking means. <IMAGE>
Patent GB-2001699-A (GB)
Title: Door hinge
IPC: E05D3/18
Filed: 1978-07-26
Abstract: In a hinge comprising fixed and movable hinge parts 1,7 play is eliminated by a slidable catch which comprises two slidable members 25 biased toward the knuckles 13, 14 of the respective hinge parts by at least one spring 32 interposed between the members 25. The ends 26f, 26m of the catch means cooperate with the outer surface of the corresponding knuckles 13, 14 so as to produce a retaining effect for given angular positions of the knuckles 13, 14 relative to the mount 18. <IMAGE>
Patent GB-2029624-A (GB)
Title: Spirit level with stroboscopic markings for gramophone turntables
IPC: G01C9/24
Filed: 1978-07-28
Abstract: A spirit level for placing on a gramophone record resting on a turntable combines stroboscopic markings on a frusto-conical side surface (4) or on a top and/or a cylindrical side wall for checking turntable speed, with a central circular spirit level or one or more elongate spirit levels (10) extending tangentially to a circle centred on the axis. A recess (2) is provided in the bottom surface for receiving the turntable spindle. <IMAGE>
Patent GB-2002079-A (GB)
Title: Improvements in pipe fittings
IPC: F16L47/04
Filed: 1978-08-02
Abstract: A pipe fitting 10 for connection to a polymeric pipe 11 comprising two body parts which can for example be screwed together axially to load a locking ring 34 and axially compress a sealing ring 46 which engages the pipe. The locking ring includes a plurality of radial fingers 37 connected by membranes (40) and the arrangement is that the membranes yield to allow radial inward movement of the fingers to grip the pipe only after the sealing ring has been compressed into axial sealing engagement with the pipe. The sealing ring preferably is located in a groove designed to hold the sealing ring in position even in the event of slackening of the body parts with the passage of time. <IMAGE>
Patent GB-2005865-A (GB)
Title: Method and apparatus for logging earth boreholes
IPC: E21B47/00
Filed: 1978-08-18
Abstract: In the logging of earth boreholes, problems have been encountered when the logging instrument is lowered through a non-vertical section of borehole. The instrument tends to slow-up or stop, and if the pay out of cable continues at a fast rate, the cable will overrun. In the apparatus described the logging instrument 30' includes an accelerometer 47 which is used to obtain an indication of the instrument velocity. This velocity is compared with the cable 32 velocity measured at the earth's surface, and if the two figures differ by sufficient margin the speed of the cable winch 33 is controlled and/or means on the instrument are activated to speed up the descent of the instrument. The means may comprise electromagnetically movable vanes 40 or an ejector for supplying a friction reducing agent to the area around the instrument. <IMAGE>
Patent GB-2003551-A (GB)
Title: Hydraulic accumulator
IPC: F15B1/12
Filed: 1978-08-22
Abstract: A hydropneumatic pressure reservoir has a rigid housing comprising an upper housing part (1) and a lower housing part (2) and having a flexible elastic diaphragm (3) defining two chambers separated from one another, one for containing gas under pressure and one for receiving hydraulic fluid. The upper housing part (1) is fitted into the lower housing part by means of tapered surfaces (16, 12) in order to clamp the diaphragm (3) in position. The upper housing part (1) has a recess (14) for accommodating a diaphragm protuberance (7), the recess (14) in longitudinal section being defined by two straight lines (10, 11) and, together with the tapered inner surface (12) of the lower housing part, forms a clamping chamber (13) which in longitudinal section is defined by three straight lines (10, 11, 12). The clamping chamber accommodates the diaphragm protuberance (7) and is of narrower width at the lower end of the upper housing part than at the upper annular surface (10). <IMAGE>
Patent GB-2005336-A (GB)
Title: Securing device for a life raft
IPC: B63C9/22
Filed: 1978-09-07
Abstract: The present invention relates to a device for securing a life raft to a ship and including a hydrostatic release relay for releasing the life raft when the water pressure on the securing means exceeds a preset level. The securing device comprises a socket 6 for mounting on a ship and having a hemispherical head 12 including the coupling means, balls 14, of the hydrostatic release relay which is adapted to be operated at a preset hydrostatic pressure, and retaining means 18 for attachment to a tape retaining the life raft and comprising a recess 17 in which the coupling head 12 is received, the recess 17 merging with a skirt 20 resting on the socket, and being provided with an annular recess 16 which is engaged by the balls 14. <IMAGE>
Patent GB-2009747-A (GB)
Title: Tetrahydropyran Compounds
IPC: C07D309/30
Filed: 1978-10-25
Abstract: A novel class of tetrahydropyran- 5-one compounds are provided which are 2-alkoxy- or 2-acyloxy-3,4-di- halogeno-6-alkyl tetrahydropyran-5- ones expressed by the general formula   <IMAGE> where R<1> is an alkyl group, R<2> is an alkyl or an acyloxy group and X is a halogen atom. The compounds are synthesized by the reaction of a 2- furyl carbinol compound with a halogen in the presence of an alcohol or a carboxylic acid. The compounds are intermediate; for the synthetic preparation of compounds including maltol.
Patent GB-2026621-A (GB)
Title: Water Power Device
IPC: F03B13/18
Filed: 1979-02-23
Abstract: The device is buoyantly supportable and comprises a reaction element 10, Fig. 1, and a plate or membrane element 12 which can move back and forth to react against the reaction element 10. The movement of the plate or membrane element which is caused by the cyclic application of wave forces is converted into a more readily usable form by, for example, an air or hydraulic transmission and electrical generation means driven by the pressure of the air or hydraulic fluid which arises by virtue of the back and forth movement of the plate or membrane element 10. In a preferred arrangement, a single spine 35, Fig. 10, supports a plurality of the said plate elements 36 which are movable individually, and in some applications the individual plate elements are coupled so that, in one case, as certain elements are moving towards the spine, others are being displaced away from the spine, and in other cases the relative displacements of adjacent elements are utilised to provide the pumping of hydraulic fluid or air. The plate elements may be parallel or at an acute angle to oncoming waves, or the plate elements may be plated along both sides of a vessel and extend perpendicular to oncoming waves. <IMAGE>
Patent GB-2023158-A (GB)
Title: Aminoazo compounds
IPC: C09B29/08
Filed: 1979-03-02
Abstract: Aminoazo compounds which in the free acid form are of the formula:   <IMAGE> where A is an optionally substituted mono- or disulphophenyl group or an optionally substituted di- or trisulphonaphthyl group and Y is H, CH3, C2H5 or OCH3, providing that A does not contain a phosphonic acid group and that when Y is H, A shall not be monosulphophenyl. Also covers dyestuffs from these aminoazo compounds especially of the formula:   <IMAGE> where E is the residue of a coupling component which may be capable of coupling twice. Preferred dyes contain a cellulose reactive group.
Patent GB-2018182-A (GB)
Title: A Machine for Punching, Nibbling, Notching or Cutting Sheets or Plates
IPC: B23D31/00
Filed: 1979-04-02
Abstract: The machine comprises an operating arm 11 accommodated within a pair of horizontally extending shoulders 4, 4' and rockingly supported by a pin 10 pivoted on parallel vertical uprights 3, 3' of the machine frame. The pin 10 may be vertically moved in different working positions along slots 7 formed in the uprights 3, 3'. A horizontal tool and workpiece support 5 is rotatable about a vertical axis 31. The selected tools are mounted on the arm 11 and the support 5 and the support has cut profiles in its periphery for notching. A fluid operated cylinder device 22, 23 carried by the horizontal shoulders 4, 4' rocks the arm 11. A nibbling punch is driven by secondary means e.g. crank, cam or percussion means on the arm which is stationary. <IMAGE>
Patent GB-2021461-A (GB)
Title: Process for the manufacture of a feeder model
IPC: B22C9/08
Filed: 1979-05-23
Abstract: A process for manufacturing a feeder model (1) comprising a gasifiable foam core (10) with a self supporting jacket (12) by means of a core shooting machine. The previously prepared core (10) is fixed within a cavity of a core shooting box (2) conforming to the form of the feeder model. The core shooting box is then closed and inserted in the core shooting machine. A mass for forming the jacket is introduced by means of shot air into the space formed between the core and the internal wall of the core-shooting box. After removal of the core shooting box from the shooting machine, the box is opened and the manufactured feeder model removed. <IMAGE>
Patent GB-2023891-A (GB)
Title: Magnetic field detection arrangement for a motor e.g. in an electronic timepiece
IPC: H02P8/02
Filed: 1979-05-24
Abstract: An electronic timepiece of the type having a frequency dividing circuit, and a drive circuit for driving a motor having a rotor, a stator and a driving coil, is provided with a magnetic field detection device comprised of a low impedance closed loop including a low resistance element and the driving coil and a high impedance closed loop including a high resistance element and the driving coil. The driving coil develops an induced voltage when placed in an external alternating magnetic field and also functions to drive the rotor. The strength of the alternating magnetic field is measured by the voltage level developed across the high resistance element and the measuring sensitivity is improved by alternately switching between the low impedance closed loop and the high impedance closed loop. In response to the detection output of the magnetic field detection device, the effective power applied to the driving coil is increased so that the motor performance is not adversely affected by the external alternating magnetic field.