baber/WOPTO huggingface dataset:
Patent GB-1448730-A (GB)
Title: Portable eleczrically powered tools
IPC: H01H13/08
Filed: 1973-12-28
Abstract: 1448730 Retractive switches BLACK & DECKER MFG CO 28 Dec 1973 [3 Jan 1973] 60070/73 Heading H1N An electric hand tool has a motor controlled by a switch operated by a trigger 22 biased towards an off position, and a latch, for retaining the trigger in an "on" position, which has a manually engageable operator portion 32 disposed entirely within a recess 30 in handle 16 to prevent accidental release or engagement of the latch. Trigger 22 has two shoulders 31, 29 corresponding to two on positions of the switch, for two different motor speeds engageable by flared end 46 of latch rod 36. In use, trigger 22 is depressed the appropriate amount and button 32 moved upwards. Acting via foot 42 and enlargement 38, this compresses spring 41 in a bore 37 of sleeve 34 and pushes the latch against the trigger which may then be released. Pressure of the appropriate shoulder 31 or 29 then retains the latch in position until released by depression of the trigger when spring 41 moves the latch down and out of engagement.
Patent GB-1287588-A (GB)
Title: Bundling tie
IPC: F16B7/08
Filed: 1969-08-28
Abstract: 1287588 Bundling straps PANDUIT CORP 28 Aug 1969 [7 April 1969] 61051/71 Divided out of 1287587 Heading E2B A one piece tie for encircling a bundle of wires or the like comprises a flexible strap 501, Fig. 12 a row of transverse teeth 515 on one surface of the strap being engageable with a transverse tooth 555 on a pawl pivoting on a wall of a frame 520 at one end of the strap, the frame having lateral rails 536 to guide the strap through the frame. Alternatively, as shown in Fig. 11, the frame has inclined rails 236.
Patent GB-1279090-A (GB)
Title: A hand tool having an auxiliary hand grip
Inventor: ENGLAND ARTHUR KEITH
IPC: B25G1/00
Filed: 1968-12-30
Abstract: 1279090 Hoes A K ENGLAND 29 Dec 1969 [30 Dec 1968] 61550/68 Heading A1B [Also in Division B4] A percussive or hoeing hand tool has an auxiliary handle 1 spaced perpendicularly from the longitudinal axis of the hand tool handle by more than 5 inches measured at a distance of between 4 and 5 inches along the longitudinal axis from the end of the hand tool handle secured to the tool head. The handle 1 may be attached to hoe blade 3 by welding. In another embodiment the handle is secured to one blade of a pickaxe by wedging means, Fig. 2 (not shown). A further embodiment, Fig. 3 (not shown) illustrates a handle attached to an axe by a releasable clamp. The auxiliary handle may be made of steel, wood or plastics.
Patent GB-672728-A (GB)
IPC: D01H5/26
Abstract: 672,728. Drafting textile fibres. SACOLOWELL SHOPS. Aug. 9, 1949 [Aub. 18, 1948], No. 20746/49. Class 120(ii) A fibre control mechanism provided between two pairs of drafting rollers comprises a sliver-supporting apron, lower apron-driving roll and an upper roll in contact with the apron, either the driving roll or the upper roll having outer peripheral end portions and a central portion of lesser diameter provided with a smooth surface for imposing a light frictional grip on the fibres. A drafting apron 8 passing over driving roller 3 and a bar 9 is tensioned by a roll 10. A roll 6 rests upon the apron to control fibres extending between drafting rolls 2, 5, 4, 7. In order to tension the sliver, but without imposing a draft between the rolls 3, 6 and 4, 7, the rolls 3, 6 are driven at a slightly higher speed than the rolls 4, 7. Adjustment of the position of the rolls 4, 7 is possible by moving a bearing block 15, but the apron roll 3 and bar 9 are fixed. Slight movement of the pressure roll 6 to accommodate irregularities in the sliver are permitted by providing the roll 6 with rotary collars B, Fig. 3, which rest on stationary steps or shelves (not shown) on the bar 9. A spring hook 33 pivoted on a bracket 34 secured to the bar 9 provides weighting for the roll 6, which is pressed firmly against the apron 8 as it passes over the roll 3. Grooves are provided in the roll 3 at C, so that the apron 8 may be yieldingly depressed by the sliver and the roll 6 has a resilient cover or cushion R, which leaves a clearance betwen its fibre contacting surface and the apron 8. A minimum clearance of about 1/16 inch is maintained between the ends of the roll 6 and the top of the bar 9. The pressure rolls 5, 7 are weighted by a spring and lever system comprising a spring 32, a channel-shaped lever 27 and links 25, 24, 23, 22. Specification 524,666 and U.S.A. Specification 2,329,655 are referred to.
Patent GB-757389-A (GB)
Abstract: 757,389. Fireplaces. MASTERMAN, A. W. and WRIGHT, G. A. June 1, 1954 [June 1, 1953], No. 15137/53. Class 126. In order to minimize the wear of the fuelcontacting surface of a fire back 1a a removable and replaceable fire brick 5 is placed between it and the grate 2. The back may be recessed as at 10 to accommodate the rear part of the brick. The brick may be as shown in Figs. 1 and 2, i.e. provided with a front-to-back opening 7, a vertical recess 8 and inclined slot (or slots) 9 such that when placed in contact with the back a flue 6 for conducting,air from the ash space to a position above the grate will be formed. Specification 458,386 is referred to.
Patent GB-2013082-A (GB)
Title: Improvements relating to washing dollies
IPC: A47L13/00
Filed: 1978-08-11
Abstract: A washing dolly particularly for washing large articles comprises a first plate (11), a second plate below the first plate, a number of rollers (15) which are preferably corrugated and which are mounted below the second plate and means for holding the dolly to enable it to be rolled back and forth across the article to be washed. The first and second plates include holes (24) which are preferably offset from one another to allow washing liquid to flow through the holes and onto the article being washed. Preferably the dolly includes a hollow handle (14) through which washing liquid is supplied. <IMAGE>
Patent GB-2004952-A (GB)
Title: Extrusion apparatus
IPC: B29C48/475
Filed: 1978-08-30
Abstract: A conventional piston and cylinder extrusion apparatus incorporated a replaceable lining system, which comprises a thin tubular liner 11 covering the bore 5 of the cylinder 4, and two discs 12, 14 substantially closing its ends and enclosing the paste to be extruded. One of the discs 12 has a hole in it of smaller diameter than, and adjacent to the extruding orifice 10 of the cylinder 4; it may have a tubular extension fitting into the orifice 10. The other disc 14 is a slidable fit within the tubular liner 11 and can be moved under the influence of the piston 7 to compress the paste. Preferably the lining system is of polypropylene. The lining system protects the working surfaces from excessive wear caused by contact with paste. <IMAGE>
Patent GB-2008625-A (GB)
Title: Wet Transfer Printing Process
IPC: D06P5/24
Filed: 1978-10-25
Abstract: A process for the colouration of textile materials which comprises:-     (a) printing paper with an ink containing a water-insoluble dyestuff and a binder or binders, (b) impregnating the textile material with a padding liquor which contains a substance capable of dissolving, softening or swelling the binder or binders in the ink, (c) contacting the printed surface of the paper with the impregnated textile material, and heating the two, whilst in contact, at a temperature above 80 DEG C, (d) separating the printed paper and the textile material, subjecting the textile material to a washing sequence, and   (e) drying the textile material.   The process permits the wet transfer printing of textile material with water-insoluble dyestuffs and thus allows the printing of textile materials comprising a union of cellulosic and polyester fibres in a single process using a transfer paper printed with inks containing both water-soluble cellulosic and disperse dyestuffs, dye type specified include reactive, direct, acid and vat dyes.
Patent GB-2013393-A (GB)
Title: Smoke Detectors
IPC: G08B17/113
Filed: 1978-11-07
Abstract: An ionization smoke sensing detector for use with an indicating device comprising an apertured chamber having a base which forms an inner electrode 52, 56 carrying a radioactive source 60 with the remainder of the chamber forming an outer electrode 92 insulated from the inner electrode and a collector electrode 74 having one or more holes 78 and mounted on the inner electrode by insulating pillars 72. The collector and outer electrodes define a first ionisation region 100 which is sensitive to the ingress of smoke, and the collector and inner electrodes define a second or reference ionisation region 102 which is comparatively little affected by the passage of smoke. Mounting the collector electrode on the inner electrode is low cost and easy and ensures that, in the event of insulation failure, the device fails safe. <IMAGE>
Patent GB-2011451-A (GB)
Title: Process and apparatus for the production of modified starches and products obtained thereby
IPC: C08B30/16
Filed: 1978-11-20
Abstract: Process for the production of modified starches wherein a starch slurry is centrifuged, the resulting cake is then diluted and submitted to chemical modification, modified starch slurry is then centrifuged, and the filtrate is recycled back to the dilution tank whereby it is used to dilute reactants thus avoiding the elimination of waste waters. Installation for the above process comprising a first centrifuge dryer connected to a supply means for feeding with a starch slurry, a cake output means connected to a dilution tank placed in series with a mixer having means for introducing chemical reagents, optionally a heater, a reaction tank, a second centrifuge, and means for conducting the filtrate from the second centrifuge to the dilution tank.
Patent GB-2030483-A (GB)
Title: Method of making a seal nut
IPC: F16B39/34
Filed: 1978-12-18
Abstract: An aluminium seal nut (10) having a sealing ring insert (34) is formed from a nut blank which is cold formed with a counterbore (26) leaving a predetermined amount of excess material protruding around the periphery of the counterbore. A bearing surface (16) is subsequently flattened by an additional cold forming step to force the excess material radially inwardly to form a lip (32) for retaining the plastics sealing ring insert (34). Driving surfaces (20) are formed on the torque receiving end (14) during formation of the excess material. The central bore (22) is drilled through and threaded. The metal flow lines at the top of the counterbore follow the contour of the lip (32). The initial step of forming the nut blank may be accomplished by cold forming. <IMAGE>
Patent GB-2049508-A (GB)
Title: Installation for electrohydroblasting of castings
IPC: B22D29/00
Filed: 1979-04-06
Abstract: The installation has an insulating casing mounted on a base over a bath and formed of a latticed framework 14 whose openings are covered by slabs 15. Each slab 15 comprises two earthed, metal boxes 16 inserted one into the other in such a manner that the end of the peripheral wall of one box faces the bottom of the other box. The space between the bottoms is filled with vibration- absorbing material, e.g. bitumen mastic. The installation includes an electrode and a pulse current generator. <IMAGE>
Patent GB-2022980-A (GB)
Title: X-ray sources
IPC: H05G1/70
Filed: 1979-04-25
Abstract: In an X-ray generator, the high voltage generator (6, 7) is accommodated in a first housing (8) and one or more X-ray tubes (3) are accommodated in a second housing (1) together with a heater supply transformer (9) connected to an external low voltage source via a lead (10). To reduce the weight of the generator the heater transformer can use a supply frequency higher than mains frequency. Advantageous for flash-encoded multi-source tomosynthesis. <IMAGE>
Patent GB-2028209-A (GB)
Title: A desolderer and heater assembly therefor
IPC: B23K1/018
Filed: 1979-06-13
Abstract: A heater assembly includes a heating element 52 and a solder transfer means terminating at its forward end in a desoldering tip 12, the thermal characteristics of the assembly being such that the heater element raises the rear end portion of the solder transfer means to a solder melting temperature shortly after the tip reaches this temperature. The desolderer includes a solder collection chamber 72 into which molten solder is ejected from the solder transfer means and which may be disposed either inside or outside the desolderer handle 32. Various embodiments are described whereby tendency for the handle to get uncomfortably hot is diminished, and whereby, the forward end of the solder collection chamber can be sealed at a surface which is removed from the path the molten solder traverses through the solder transfer means, so as to prolong sealing means life. <IMAGE>
Patent GB-2023317-A (GB)
Title: Printer
IPC: G06K15/02
Filed: 1979-06-15
Abstract: A dot matrix thermal printer with thermal heads 50, 52, 54 is controlled by electronic control circuitry which receives and stores data from a video display 10 and converts it to dot matrix form. A page of data is printed, one page- length dot column after another, each such column being printed in four time phases each of 72 (simultaneous) dot positions belonging to a respective quarter of the characters in a column of characters, using shift registers. <IMAGE>
Patent GB-2024149-A (GB)
Title: Refuse packing apparatus
IPC: B65F3/20
Filed: 1979-06-26
Abstract: Refuse packing apparatus in the tailgate of a refuse collection vehicle comprises pivotally connected packer and sweeper plates and respective pairs of hydraulic rams. The packer plate rams are connected to the assembly through respective connecting members 230 received on thrust transfer pins 226 carried by the packer plate and on which pairs of sweeper plate hinge elements 232,234 are received. Each sweeper plate hinge element straddles its packer ram connecting member and is itself straddled by a caliper 228 mounting the thrust transfer pin on the packer plate, whereby thrust from the packer plate rams is transmitted direct to the packer and sweeper plates through the thrust transfer pins- thereby minimizing structure, weight and tendency to jam. <IMAGE>
Patent GB-2053622-A (GB)
Title: Radio transmitter and alarm system
IPC: H04B1/034
Filed: 1979-07-13
Abstract: A radio transmitter unit has a radio transmitter housed within an elongate, pen-like body. The radio transmitter is arranged to generate two dual tones, one selected from a plurality of low group frequencies suitably between 697 Hz and 941 Hz, and the other tone selected from high group frequencies between 1209 Hz and 1633 Hz. This enables a plurality of different radio transmitters to be coded differently so that a plurality of radio transmitters are individually identifiable in an anti-kidnap/security alarm system including a receiver operable to receive alarm signals from the transmitters.
Patent GB-2035278-A (GB)
Title: Bottle sterilizer
IPC: A61L2/26
Filed: 1979-11-02
Abstract: A bottle sterilizer comprises a container having bottle support means arranged to support a bottle when in the container and inverted, and a shroud covering the container, the bottle support means having at least one aperture arranged to direct steam, when generated from water when contained in the container, upwardly into a bottle when supported by the support. <IMAGE>
Patent GB-2068313-A (GB)
Title: Rear-view mirror
IPC: B60R1/08
Filed: 1979-11-22
Abstract: A rear-view mirror for a vehicle comprises a reflector 10, e.g. of prismatic glass, pivotable about a central upright axis. Two solenoids 30 and 32 operate alternately to pivot the reflector in opposite directions. Control circuitry for automatic operation of the solenoids comprises a light-sensitive device 35 positioned at one edge of the mirror, and switching means arranged to cause operation of one solenoid, to adjust the mirror, when the intensity of light incident on the light- sensitive device rises above a predetermined level. The switching means causes the other solenoid to operate, to return the reflector, after a predetermined delay time after the light intensity has dropped below the predetermined level. <IMAGE>
Patent GB-2064413-A (GB)
Title: Fibre-reinforced Synthetic Plastics Articles
IPC: B29C53/66
Filed: 1979-12-04
Abstract: Fibre-reinforced articles e.g. for sport, are produced using cross- linkable synthetic plastics material as matrix material 11. Reinforcing fibres prone to surface damage, such as carbon fibres, are withdrawn from storage containers 7 and are contactlessly set into mechanical fibration by air or gas impulses produced at vibrators 8. This improves impregnation of the fibres by the material 11 when the fibres are transported over large diameter rollers 3 of impregnating devices 4. Excess material 11 is removed at guide rollers 5 and the fibres are combined, profiled at 12, and cured at 13. Layers of other fibres, e.g. glass fibres, may be wound on from conventional impregnating devices 4a, 4b, 4c. <IMAGE>
Patent GB-2064653-A (GB)
Title: Hydraulic-pressure Producing System
IPC: F04C11/00
Filed: 1979-12-13
Abstract: A rotary pump 1 e.g. of the internally-meshing gear type, is driven by a motor 22 through a clutch 7, which may be of the electro-magnetic type. To reduce noise the motor operates continuously and the pump is started or stopped, as required, by engaging or disengaging the clutch. The pump may be immersed in the liquid 4 to be pumped. The system may include a flywheel 19. Two pumps may be comprised in the system and driven through respective clutches by a common motor, Figure 12. <IMAGE>
Patent GB-2040359-A (GB)
Title: Turbomachine
IPC: F01D5/28
Filed: 1980-01-08
Abstract: The turbo-machine comprises a compressor (1-3) of the stator-less type, a turbine (5-7) of the stator-less type and a substantially cylindrical wall (4) interconnecting the compressor and turbine rotor walls, the connecting wall comprising a cylindrical wall of metal or heat-insulating material and a continuous or discontinous external reinforcement of a composite material having high mechanical properties. A combustion chamber is provided between the compressor and the turbine. <IMAGE>
Patent GB-2041083-A (GB)
Title: Silencer for an internal combustion engine
IPC: F01N1/00
Filed: 1980-01-25
Abstract: An exhaust silencer has a central duct 13 to receive exhaust gas at 14 and pass it to atmosphere at 15, and a surrounding annular passage closed at its upstream and downstream ends and divided into a series of chambers 20, 21, 22 by perforated spaced annular walls 16, 17. Perforations 23, 24, 25 in the central duct place it in communication with each of said chambers. The central duct has within it at a location corresponding to one of chambers downstream of the most upstream chamber a convergent nozzle 26 and a divergent nozzle 27 each comprising a small cylindrical section joined to a frustoconical section. Preferred ratios are given for the diameter of the central duct, the distance between the cylindrical sections of the two nozzles and the diameters of the cylindrical sections. <IMAGE>
Patent GB-2072622-A (GB)
Title: Roll film cassette
IPC: G03B17/30
Filed: 1980-04-02
Abstract: A film cassette comprises a substantially cylindrical body shell 1 fitted at each end with circular end caps and having a mouthpiece comprising a lengthwise gap defined by inner and outer parallel extension flanges so located that film material will leave the cassette through the mouthpiece tangentially to the body shell of the cassette. The extension flanges are lined with strips of a light-sealing fabric 5, 8, such as velvet, which provide a light trap. The body shell of the cassette has a step 9 which is in contact with the strip of light-sealing fabric 5 lining the outer extension flange and which extends parallel to the axis and along the greater part of the body of the cassette and accommodates the fabric so that the surface of the fabric is flush with the inner surface of the body shell of the cassette. The body shell may be of metal or plastics and a second step may be provided for the inner end of the other strip of light-sealing fabric 8. The use of the step reduces the distortion of the film material when it is left partially withdrawn from the cassette for a period of time. <IMAGE>
Patent GB-2048780-A (GB)
Title: Applying patterns of adhesive resin
IPC: H05K3/12
Filed: 1980-05-02
Abstract: A printing screen 13 is angularly displaced to an operative position parallel to, but slightly spaced from a printed circuit board 3 on which an adhesive resin pattern is to be printed. A resilient squeegee blade 24 is wiped across the screen 13 in its operative position for both pressing the screen 13 down against the circuit board 3 and squeezing semi-liquid adhesive resin 27 through the previous printing areas onto the circuit board 3. Upon completion of such wiping operation, the blade 24 is lifted from the screen 13 and the screen 13 is maintained in its operative position parallel to the circuit board 3 for a sufficient time to permit the substantially vertical collapse of adhesive resin threads 28 bridging the space between the printed pattern and the screen 13. There is not therefore any tendency for the resin threads to collapse onto unintended areas.   <IMAGE>
Patent GB-2060954-A (GB)
Title: Electronic timepiece
IPC: G04G13/02
Filed: 1980-08-05
Abstract: An electronic timepiece has a display unit capable of displaying different times in two or more regions in the world, an alarm time setting circuit capable of setting alarm times in the respective regions, and a buzzer device for sounding, at alarm times, different alarm sounds associated with the respective regions.
Patent GB-2059559-A (GB)
Title: A protective sleeve for a blowing or injection lance
IPC: C21C5/46
Filed: 1980-09-18
Abstract: The invention relates to a sleeve for protecting a lance, the sleeve comprising a moulded ring (2) of refractory material. The ring has at least one open-work reinforcing frame (10) formed from wire netting and embedded in the refractory material around its inner cylindrical surface (14). Helically wound spacing wires (12) hold the reinforcing frame at a distance from the inner surface of the mould during manufacture of the ring. <IMAGE>
Patent GB-2059657-A (GB)
Title: Supervision of touch control switches
IPC: H03K17/96
Filed: 1978-07-29
Abstract: A matrix array of touch switches is supervised by a microprocessor (F) to ascertain which of the switches is in an operated state. Inputs (SC1 ... 4) are each connected to all the switches in a respective column and outputs (SW1 ... 4) are connected to all the switches of a row or group. Pulsed 'read' signals fed repeatedly to the inputs in turn are compared with the resulting signals at the outputs, and a switch in an operated state produces a reduced output, which a circuit (IC2) does not pass on. The switches can be of the kind incorporating an illuminating phosphor (P), as forming the subject of the parent application 31638/78, and illumination control signals fed from the microprocessor (F) and applied to the electrode (E) on the phosphor are used in conjunction with signals fed to the 'read' inputs (SC1 ... 4) to illuminate selected switches. <IMAGE>
Patent GB-2063522-A (GB)
Title: Apparatus for determining elevator car position
IPC: B66B1/34
Filed: 1980-11-19
Abstract: An apparatus determines the position of an elevator car 1 servicing a plurality of floors of a building. The position of the elevator car, which may move by inertia during a power service interruption, is estimated upon restoration of the power by calculating the inertia run length of the elevator car on the basis of the operation parameters including at least a car position where the elevator was positioned just before occurrence of the power service interruption and the direction of movement of the car at that time. <IMAGE>