baber/WOPTO huggingface dataset:
Patent GB-973604-A (GB)
Title: Improvements in or relating to automatic time-control devices
IPC: D06F39/00
Filed: 1962-07-22
Abstract: 973,604. Cams. CHERRY TREE MACHINE CO. Ltd., and J. SCOTT. July 19, 1963 [June 22, 1962], No. 24039/62. Heading F2K. In a control device, e.g. for a laundry washing machine, cam surfaces of the required lengths may be built up using identical cam elements H, of a hard-wearing material such as a superpolyamide, carried on a member A movable at a constant speed and having two sets of parallel grooves B, C, extending respectively transversely and longitudinally of its -direction of motion, the elements resiliently but firmly engaging in the intersections of the grooves. The member A may be a rotating drum, as shown, or a linearly moving flat plate member. Each cam element E comprises a longitudinal channel section F with flanges G, transverse wings I at one end, and a fin H along the top of the channel section, the top of fin H forming the cam surface. The grooves B are equispaced, their pitch conveniently being the distance moved in one minute, and the length of each element E equals the pitch of grooves B. When an element E is pushed into position, the wings I engage in a transverse groove B, and the flanges F engage in square undercuts D at the base of a groove C. If necessary, part of the fin H of an element E at the end of a cam section may be cut off to provide the required length of cam. Scales L, M may be provided parallel to grooves C to assist in setting up the cam surfaces.
Patent GB-1322630-A (GB)
Title: Apparatus for developing electrostatic latent images
IPC: G03G15/10
Filed: 1971-04-19
Abstract: 1322630 Electro-photographic developing apparatus MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 19 April 1971 [13 March 1970] 24145/71 Heading G2H A latent image bearing member 10 is placed in a holder 21, a developing chamber 20 having  an aperture 49 is moved horizontally by a plunger 57 into contact with member 10, liquid developer from a supply 24 flows into chamber 20 to contact the latent image at the aperture 49, and then the developer is discharged from chamber 20. Preferably, chamber 20 is metal and contains a mesh electrode 53 in the shape of a truncated pyramid. As shown supply 24 comprises a reservoir 65, a metering chamber 63 and valves 61, 62 and the discharge device comprises a valve 60; valves 60, 61, 62 being opened and closed by a yoke 68 controlled by a timer 71 which also controls a switch 73 for energizing electrode 53. Member 10 may comprise, in order, a transparent base of cellulose tri-acetate or polyethylene terephalate, a conductive layer of cuprous iodide, an adhesive layer of polyvinyl acetate and a photo-conductive layer of poly-N- vinyl carbazole. The holder 21 for member 10 is described in detail and preferably includes a spring pressed contact 43 which is urged by chamber 20 into contact with an exposed portion of the conductive layer of member 10 to correct the conductive layer to power source 72.
Patent GB-615017-A (GB)
Title: Improvements in revoluble apparatus for mixing pulverent materials and for enabling said materials to be drawn therefrom by suction
IPC: B01F29/63
Filed: 1946-08-14
Abstract: 615,017. Mixing machines for pulverulent materials. WITNEY, H. W. Aug. 14, 1946, No. 24179. [Class 86] Apparatus for mixing pulverulent material comprises a mixing cylinder revolubly mounted at one side only in bearings carried by a frame, a portion of the cylinder on the side remote from the bearings being cut away to form an opening 'through which protrudes a feeding hopper rigidly secured in the frame, and a suction tube rigidly secured in the hopper. As shown, cylinder 1 is mounted revolubly on a chassis by means of a spindle 3 in a hub 4, the hub plate 2 being secured to the wall of the cylinder. A filling hopper 12 secured to the frame at 14 is supported at its lower end in a flanged aperture 10 which carries an annular plate 13. A plurality of shovel or paddle plates 15 secured to the inside wall of the cylinder 1, lift the pulverulent material from the bottom of the rotating cylinder and discharge it in the form of a cloud of particles as each paddle plate reaches its highest point of travel The material on falling passes close to the end of a suction pipe 16 passing through and supported by the hopper 12, and is thereby withdrawn from the cylinder 1. This latter is rotated by means of a belt embracing the outer circumference and operated by an adjustable speed pneumatic motor. The flow of material past the outlet pipe 16 may be controlled by varying the rate of rotation of the cylinder or by varying the supply of material to the hopper 12. A cover 21 may be provided for the hopper and a hand hole with suitable closing means for the cylinder 1. A handle bar secured by links to the side members of the chassis may be provided.
Patent GB-701147-A (GB)
Title: Improvements in or relating to apparatus for making thread receiving grooves in the soles of foot wear
IPC: A43D5/04
Filed: 1952-09-26
Abstract: 701,147. Scrapers. SCHWARZ, A. Sept. 26, 1952, No. 24185/52. Class 61 [Also in Group VIII] The thread-receiving groove 11 formed in the sole 13 of footwear by means of a cutting tool (see Group VIII) is completed by means of a tool provided with a spoon-shaped member 9 for lifting the lip of the groove and with a scraping member 10 for deepening the bottom of the groove. The members 9 and 10 may be formed in one piece. After, the stitching operation, the lip is closed down.
Patent GB-969009-A (GB)
Title: Rotary-hammer device
IPC: B25D17/00
Filed: 1960-12-19
Abstract: 969,009. Percussive tools. SKIL CORPORATION. Dec. 19, 1960 [May 31, 1960], No. 24239/63. Divided out of 969,007. Heading B4C. A rotary hammer comprises a housing 212, Fig. 1, having a rotary cylinder 226 therein, a striker 248 reciprocable in the cylinder, a tool drive member 232 at one end of the cylinder, and a retainer 242 operable to engage a forward facing shoulder 291 (Fig. 2) on a tool 285. The rotary percussive tool shown in Fig. 2 has a carbide tip 287, a hexagonal shank part 289 slidable within the rotary drive member 232 of the hammer and engageable by the hammer striker, and a groove 290 in the shank engageable by a retainer 242. The shank construction shown in Fig. 2 may be applied to a socket for holding a drill. A rotary drill chuck has the hexagonal part of the shank of Fig. 2 shortened so that the striker does not engage and reciprocate the shank. In the chisel shown in Fig. 4 the part 298 of the shank is too small to be driven by the member 232 and a hexagonal part 299 of the shank slides in the fixed nose 238 of the hammer to prevent tool rotation.
Patent GB-1114203-A (GB)
Title: Process and apparatus for the manufacture of plastics coated webs
Inventor: METZ PETER JOHANN
IPC: B32B27/00
Filed: 1965-06-08
Abstract: 1,114,203. Clamps. CROWN ZELLERBACH Ltd. 8 June, 1965, No. 24278/65. Heading E2B. [Also in Division B5] In a clamp for a tube 16 comprising a block and a saddle piece the saddle-piece is secured to the block by bolts 24, one of which is threaded into the block, and the other of which passes through an extension of the block and receives a nut.
Patent GB-762272-A (GB)
Title: Improvements in or relating to coating compositions
Inventor: KATZ SIEGBERT
IPC: C09D5/00
Filed: 1952-09-30
Abstract: An anti-condensation paint comprises an emulsion in water of a natural or synthetic resin to which may be added a natural or synthetic drying or semi-drying oil, or of a cellulose derivative, water forming the continuous phase and the emulsion containing 10-45 per cent by weight of a cellular, hydrophilic, inorganic filler such as diatomite, pumice, basic magnesium carbonate, or fuller's earth. A minor amount of a fibrous material such as asbestos, mineral wool or glass may be added.  The synthetic resin may be a wood oil-phenolic resin varnish, an oil-modified alkyd resin, a phenol-formaldehyde resin, polyvinyl acetate, polystyrene, styrene-butadiene copolymer, a styrenated oil or styrenated alkyd. Emulsifying agents, e.g. potassium oleate, sulphated and sulphonated compounds, clay, bentonite or silicates, protective colloids and thickening agents, e.g. casein, glue, methyl cellulose and alginates, solvents, e.g. xylol or white spirit, plasticizers, e.g. ethoxyethyl acetate, preservatives, fungicides, foam promoters, pigments, e.g. lithopone, or titanium dioxide, extenders, e.g. barytes, china clay, mica or whiting, dispersing agents, e.g. sodium pyrophosphate, sodium hexametaphosphate or polyethylene oxide compounds, and corrosion inhibitors, e.g. sodium nitrite, sodium benzoate or morpholine may be added.ALSO:An anti-condensation paint comprises an emulsion in water of a natural resin to which may be added a drying or semi-drying oil, water forming the continuous phase, and the emulsion containing 10-45 per cent of a cellular, hydrophilic, inorganic filler such as diatomite, pumice, basic magnesium carbonate, or fuller's earth.  A minor amount of a fibrous material such as asbestos, mineral wool, or glass fibre may be added.  The binder may be a linseed stand oil-natural resin varnish.  Emulsifying agents, protective colloids, thickening agents, preservatives, fungicides, foam promoters, pigments, extenders, and corrosion inhibitors may be added.
Patent GB-1184465-A (GB)
Title: Improvements in or relating to Electric Signal Sampling Arrangements
Inventor: INGRAM DEREK GEORGE WOODWARD
IPC: H04B14/04
Filed: 1967-05-26
Abstract: 1,184,465. Transistor circuits; pulse modulation circuits. GENERAL ELECTRIC & ENGLISH ELECTRIC COMPANIES Ltd. 18 June, 1968 [26 May, 1967], No. 24677/67. Headings H3T and H4L. A sampling circuit in which a gate 24 is periodically opened to charge a capacitor 2 to the instantaneous value of a signal from an input circuit 1 is characterized in that the low frequency components of the input and output signals are fed to a comparator 7, 8 to provide a control signal for drift correction. The control signal is derived from the output of amplifier 10 and controls the gain of output amplifier 6. A further comparison circuit 11, 12 and amplifier 14 provides correction for the input stage 1.
Patent GB-459606-A (GB)
Title: Improvements in electrically heated boiling vessels
IPC: A47J27/21
Filed: 1935-09-05
Abstract: 459,606. Electricallyheated vessels. VOIGT & HAEFFNER AKT.-GES., 142, Hanauerlandstrasse, and TRAMBAUER, R., 9, Br³der Grimmstrasse, both in Frankfort-on- Main, Germany. Sept. 5, 1935, No. 24737. [Class 39 (iii)] The vessel bottom is a massive metallic heating-plate a connected at b to a sheet metal outer wall of the vessel by soldering or welding, and insulated conductors forming heating elements are totally enclosed in the plate by being cast therein or embedded in a ceramic mass located in a cavity in the plate. A depression f at the top edge of the plate a retains water near the connection b. A fusible metal plug c in the centre of the plate a holds the axle of a locking wheel d controlling a spring-pressed switch e. which opens when the plug softens on over-heating of the plate. The switch e is closed by a press button g when the metal c has set again, and is held by a spring h engaging the wheel d.
Patent GB-1023827-A (GB)
Title: Roof support assembly
Inventor: BOLTON DOUGLAS HERBERT HEWLETT
IPC: E21D23/14
Filed: 1963-06-21
Abstract: 1,023,827. Advancing mine roof supports. DOWTY MINING EQUIPMENT Ltd. June 12, 1964 [June 21, 1963], No. 24829/63. Heading F1P. In a roof support assembly comprising a series of fluid pressure operated roof supports advanceable in a predetermined sequence, at least some of the supports have associated therewith first type and/or second type signalling means which during normal sequential advance produces the two types of signal in a predetermined intermingled order, but during faulty advance produces the two types of signal in an incorrect order. A device, Fig. 2 (not shown), for checking the receipt of a fluid pressure signal from each support as it advances and an electrical signal from every fourth support as it advances is provided. The pressure signal is preferably caused by the variation in pressure in the supply line to the supports, and the electrical signal is caused by the full advance of every fourth support. In operation, a pressure signal is received by the device through a conduit 10 each time a support advances, whereby a spring 11 moves a piston rod 19 to rotate an electrical contact 14 through 90 degrees over a disc 15 carrying an arcuate contact 16. During normal advance the contact 14 is in a position D when the electrical signal from the fourt support is received. The electrical signal closes a switch 31 to energize a relay coil 28 to close contacts 17, 18 but no circuit is made through the arcuate contact 16. If a roof support fails to send a pressure signal the contact 14 will be at position C when the switch 31 closes and a circuit is made through the arcuate contact 16. The circuit energizes a relay coil 22 to close contacts 23, 24 and operate an audible warning device 26 and energize a hold on coil 25.
Patent GB-898673-A (GB)
Title: A process and apparatus for the removal of impurities from air and other gases
IPC: F24F8/133
Filed: 1958-08-01
Abstract: 898,673. Treating air. JANES, P. Aug. 1, 1958 [Aug. 17, 1957], No. 24841/58. Class 137 A method of treating air to remove impurities comprises mixing a part of the polluted air with a liquid, subjecting the mixture to a plurality of expansions and contractions, adding the mixture to the remainder of the polluted air, projecting the whole against a surface to remove the impurities, and discharging the purified air. As shown, polluted air is drawn into an inlet 30 by a fan 9 and a part is drawn into a mixing chamber 3 by a fan 8 where it is mixed with a liquid, e.g. water, and the mixture discharged from the chamber through a narrow passage 4, a recess 23 containing fan blades 12, and through a second narrow passage 10 into a separating chamber 13 where, mixed with the remainder of the polluted air, it is thrown against coils 15 on which the liquid and impurities are deposited and clean air finally discharged through outlets 18. A perforated cup 29 over the inlet may contain dry ice to regulate the temperature ofthe air and coils 24 surrounding a feed mechanism for the liquid may ozonize the polluted air.
Patent GB-820285-A (GB)
Title: Improvements in and relating to electrical handle-bar switches
Inventor: ATKINS GLENN
IPC: B62J6/16
Filed: 1956-08-14
Abstract: 820,285. Mechanical switches, without quick action; press - button retractive switches. WIPAC DEVELOPMENT Ltd. Aug. 8, 1957 [Aug. 14, 1956], No. 24885/56. Class 38 (5). A die-cast metal base 10 having a pressed metal cover 34 is secured on a handle-bar 11 of a motor- or pedal-cycle by means of a screw 13 which also serves to retain the cover 34 in position. Rubber grommets 22 prevent the entry of water. Within the base 10 is mounted an annular insulating disc 14 carrying spring blades 16 and 18 and three pillars 19, 20, and 21. Push-buttons 23, 24 are mounted in slots in the base 10 and connect blades 16 and 18 to the handle-bar 11 when respectively depressed. A knob 27 slidable in a slot in cover 34 carries a phosphor bronze strip 29 urged by spring 30 to make contact between pillars 20, 21, as shown, or between pillars 20, 19 when the knob 27 is moved upward. Connecting leads (not shown) emerge from part of grommet 22 which is shaped to fit an aperture in cover 34.
Patent GB-1371959-A (GB)
Title: Rotary mower
IPC: A01D34/73
Filed: 1972-05-26
Abstract: 1371959 Mowers MASCHINENFABRIK FAHR AG 26 May 1972 [26 May 1971] 24894/ 72 Heading A1F An annular guard 10 is rigidly secured by one edge to the underside of an associated plate 3 carrying a plurality of cutting blades 5 of a rotary mower so as to protect the mounting pins 7 of the blades 5 and has an outer diameter corresponding substantially to that of the plate 3 with an inner diameter slightly greater than the outer diameter of a ground support 12. In one embodiment (Fig. 1), the outer edge of a flat guard 10 is welded to the underside of the outer edge of the plate 3 so as to be inclined downwardly and inwardly and is provided with apertures 13 sufficiently large to allow the blades 5 to freely rotate through 360‹. Alternatively (Fig. 2 not shown) the guard has an arcuate shape so as to curve downwardly and inwardly from the outer edge connection. In a third embodiment (Fig. 3 not shown) the guard is connected at its inner edge to the underside of the plate 3 and extends therefrom both outwardly and downwardly with its outer periphery curved upwardly and outwardly to form a gap between the outer edges of the guard and the plate 3 through which the blades 5 project outwardly. Reference has been directed by the comptroller to Specification 1288108.
Patent GB-1347341-A (GB)
Title: Dispensing of anaerobic liquids
IPC: B05B9/04
Filed: 1971-04-19
Abstract: 1347341 Cooling apparatus LOCTITE CORP 19 April 1971 [25 March 1970] 25232/71 Heading B2L [Also in Division Fl] An aerobic liquid is dispensed through a discharge line 18 from a container 10 directly on to a work piece by the pressure of freeoxygen containing gas (air) within the container. In order to prevent curing of the liquid in the line 18 on termination of discharge, a negative pressure is created in the container to draw the liquid back from the line. Maintaining the negative pressure causes air to bubble through the liquid. In a second embodiment the pressure gas enters below the liquid surface and a relief valve is provided so that gas bubbles through the liquid. The positive and negative pressures are obtained from a pressurised air source 26 and an ejection 35 respectively.
Patent GB-187803-A (GB)
Title: A machine for bending and cutting metal bars or rods
IPC: B21D11/12
Filed: 1921-09-23
Abstract: 187,803. Roloff, H. Sept. 23, 1921. Angular bending ; shearing.-In a machine for bending and shearing metal bars a driving shaft 1 operates eccentrics 3, 31 at its ends, one of which 31 rocks a shearing-lever 34 carrying a blade 35, between which and a fixed blade 36 the bar is sheared by successive equal cuts, after each of which the bar drops a little further between the blades. The bending-device comprises a disc 8 rotated by the eccentric 3 through a pawl 9, a check pawl 14 being pivoted on the frame, and both pawls being disengaged to stop the drive by a handle 11 attached to a cam lever 12. The same disengagement may be effected by a bolt 17 inserted into one of the holes 16<a> in the disc, and the disc on being released is returned by a counter weight (not shown); a second bolt may be so placed as to re-engage the pawls. The rotation of the disc 8 rotates a plate 21 upon which is mounted a reversible catch 22 which bends the bar 37 between itself and a stop roller 26 on the frame. By reversing the catch and roller to the position shown in dotted lines, reverse bending may be effected.
Patent GB-787095-A (GB)
Title: Improvements in tuner devices for radio receivers
IPC: H03J7/30
Filed: 1955-09-02
Abstract: 787,095. Automatic tuning arrangements; adjusting radio receivers. GENERAL MOTORS CORPORATION. Sept. 2, 1955 [Sept. 20, 1954], No. 25261/55. Class 40 (5). A radio receiver of the type in which the tuning mechanism is adapted to automatically scan a given band and stop on tuning in a signal of predetermined strength is provided with a frequency selective control circuit coupled to the local oscillator of the receiver and arranged to prevent the tuning being stopped except in the vicinity of a desired signal. The receiver shown comprises a bar 44 carrying tuning coils 40 and driven slowly in one direction by a spring 46 under the control of an air governor 82 driven through a bell-crank lever 74, 100, a sector gear 98 and a gear train 96, 94, 86. When the tuning reaches the end of its range an arm 124 operates a limit switch energizing a solenoid 48 which restores the tuning to the beginning of the range and re-charges the spring. Tuning is initiated by operating button 218 which causes a contact 222 to be momentarily earthed, so operating a flux latched relay 130. The lower end of the armature 138 of this relay operates as a brake which is released when the relay operates and thus permits tuning to proceed. Operation of the relay also breaks relay contact 146 causing the receiver to be desensitized and makes contact 150, completing the anode/cathode circuit of a control valve 132. The output from the I.F. amplifier 22 of the receiver is applied through lead 184 to the grid of this valve and when a signal of sufficient strength is tuned in the valve becomes conductive and releases the relay 130, re-applying the brake and restoring the sensitivity of the receiver. To tune to a preselected station, one of buttons 214 and 216 is operated. This initiates tuning as before and also connects a tuning condenser 280 or 282 across a tuned circuit 266 and completes the anode to cathode circuit of a double triode valve 224. The output of the local oscillator of the receiver is coupled to the tuned circuit through line 316 and the circuit is adjusted by the capacitor to a frequency just in advance of the local oscillator frequency corresponding to the desired station. The output from the tuned circuit is rectified in an infinite impedance detector 228, 232, 236 and amplified by the triode 230, 234, 238. When the desired station is approached the rectified local oscillator voltage rises to such a value that the valve 230, 234, 238 becomes conductive, operating a relay 242 and so breaking the holding circuit for the flux latched relay 130, permitting the desired station to stop the tuning. The tuning control circuit is disabled during the return movement of the tuner by a contact on the limit switch.
Patent GB-393925-A (GB)
Title: Method of coating articles with enamels, glazes or other coating material
IPC: C23D5/00
Filed: 1931-09-10
Abstract: A method of coating articles with enamels, glazes, or other coating material such as colour or varnish, consists in placing the articles in a mist or vapour containing the coating material, so that the vapour condenses and deposits a coating of material on the articles. Preferably the articles are cooled before they are introduced into a chamber containing steam in which the coating material is suspended.
Patent GB-1153448-A (GB)
Title: Improvements in Shelf Systems
Inventor: SZACSKO LAJOS
IPC: A47B57/52
Filed: 1966-06-07
Abstract: 1,153,448. Shelving; stands. L. SZACSKO. 7 June, 1966 [22 June, 1965], No. 25382/66. Headings A4B and A4H. Shelves 426 adjustably mounted on an upright 410 are notched at 430 to embrace the upright and have semi-cylindrical recesses 436, 438 in upper and lower faces to receive pins 424, 422 which are inserted in staggered rows of apertures 418, 420 in the upright. The apertures 418, 420 are equidistantly spaced, at twice the thickness of the shelf, from other apertures in the same row, each aperture is opposite the mid point between apertures in the other row, and preferably passes through the upright, the ends of a single pin projecting from opposite faces of the upright. In a modification the upright is screwed to a wall &c. and shelves with a lipped front edge are mounted at a forward and downward slope to support newspapers and magazines.