baber/WOPTO huggingface dataset:
Patent GB-1487558-A (GB)
Title: Walking aid for the disabled and decrepit
IPC: E04F11/18
Filed: 1973-11-21
Abstract: 1487558 Walking aid G R KEEYS M NICHOLSON V REDFERN G J WEST and J F PHILLIPS 19 Feb 1975 [21 Nov 1973] 54013/73 Heading A6M A device for assisting a person to walk along a predetermined path comprises a support member, a guide rail extendable parallel to the said path, the guide rail having a longitudinally extending surface 9 or 25 including spaced recesses 10 or 26 into which the support member may be successively placed, and directing members 11 or 27, one in the vicinity of each recess, adapted to divert the support member into the respective recesses. The device is particularly suitable for assisting the climbing of stairs in which case a guide rail is normally placed on each side of the stairway. In the embodiment of Fig. 2 there are two surfaces 6 and 9. Surface 9 is for movement in the direction X normally down stairs whilst surface 6 is for movement in direction Y normally upstairs. Pawls 12 allow movement in one direction only. The embodiment of Fig. 3 is for movement in either direction. The device of Fig. 2 is formed from a U-section with a T-section welded thereto. The device of Fig. 3 is a box-section with groove 24 machined therein. Fig. 4 (not shown) illustrates support members that can limit lateral movement thereof. They can be made from wood. plastics or metal.
Patent GB-1390514-A (GB)
Title: Aerial elements and arrays
IPC: H01Q13/10
Filed: 1971-11-24
Abstract: 1390514 Aerials MARCONI CO Ltd 13 Sept 1972 [24 Nov 1971] 54539/71 Heading H4A A circularly polarized aerial element comprises a spiral radiator 2 behind a cruciform slot 5 in a screening member 6. As described, the radiator 2 is formed on a printed circuit base 1 and is fed by means of a lead 4 which passes through a ground plane member 3. An array may be constituted by a plurality of spiral radiators on the base 1, and screening between radiators be provided by rows and columns of conductive posts 7. The space 8 between the members 1 and 6 may be filled with solid dielectric material. The spiral radiators 2 may be of circular or square form, and be of Archimedean or equiangular type. They may be doubled for balancing, and be load-terminated for matching. The slots 5 in the member 6 may be shaped as Greek or Maltese crosses, or be formed by crossed pairs of dumb-bell slots (Fig. 2, not shown).
Patent GB-1240077-A (GB)
Title: Improvements relating to pneumatic conveyors
Inventor: KUZNIAK BERNARD
IPC: B65H29/32
Filed: 1969-11-07
Abstract: 1,240,077. Suction lifting devices. B. KUZNIAK. 7 Nov., 1969 [22 Nov., 1968; 18 April, 1969], No. 54668/69. Heading B8H. A suction head 1, Fig. 3, for supporting a panel 13 as it is moved in the direction of an arrow F, comprises a chamber 8 partially divided by walls 6a, 6b provided with flaps 9a, 9b. Sealing skirts 12 are provided and driven rollers 11a, 11b move the panel over the suction head. The flaps 9a, 9b are normally open under their own weight but when the space 7 is closed off by the advancing panel the suction is great enough to progressively raise the flaps. As the panel closes the spaces 7a, 7b the respective flaps open again until the trailing edge of the panel uncovers the space 7 again. When this happens, the suction is insufficient to support the panel which is gently deposited on an adjustable table 14, Fig. 4. In a second embodiment, Fig. 5, a power-operated closure 15 is provided for the space 7 and the flaps 9a, 9b are positively opened by arms 16a, 16b connected thereto. The suction head may be movable.
Patent GB-1325689-A (GB)
Title: Antenna window
IPC: B60J1/02
Filed: 1970-11-23
Abstract: 1325689 Laminates PPG INDUSTRIES Inc 23 Nov 1970 [13 Aug 1970] 55673/70 Heading B5N [Also in Divisions B7 and H4] An aerial window comprises a pair of matched glass sheets 12, 14, a notch 20 being provided in the former for receiving a metal tab 22. A continuous length of fine electroconductive wire 18 is mounted in a plastic interlayer 16, which is bonded between the glass sheets. The central portion 19 of the wire 18 lies within the notch 20 and is connected to the tab 22. A radio receiver lead 24 is also connected to the tab 22, at a point 23. A piece 60 of transparent, adherent tape of electrical insulation material such as polyurethane is positioned over the notch 20, on the outer face of the glass sheet 12, and the cavity so formed is filled with a fast setting electrical insulating material, such as a polysulphide resin or a vulcanizable silicon. Excess material may be removed from the edge of the window by a spatula 70 having an elongated slot 72 and a handle 74, and masking tape may be put over the rear surface of the glass sheet 14 behind the notch 20. The lead 24 may be provided with a plug 25, and the central portion 19 of the wire may be connected to the tab 22 at two points 56, 58 and loops 51, 52, 53 be provided between said points and between each point and the interlayer 16, as claimed in Specification 1,325,690. During manufacture the matched glass sheets are bent together, a suitable parting material such as a suspension of finely divided diatomaceous earth in water having first been applied between them. The interlayer may be a sheet of plasticized polyvinyl butyral, the aerial wire being embedded therein by means of a hot needle which is guided along a template. On assembly, the plastic sheet is put between the glass sheets and is trimmed. After pre-pressing, lamination is carried out by heating in an autoclave for about 45 minutes at a temperature of about 275 F. and under a pressure of about 225 lbs./sq. inch.
Patent GB-1498045-A (GB)
Title: Electrical protection circuit
IPC: H02H3/14
Filed: 1974-12-30
Abstract: 1498045 Earth leakage protection circuits HANSEL PTY Ltd 30 Dec 1974 [3 Jan 1974] 56067/74 Heading H2K  Occurrence of earth leakage to the frame 41 of an appliance triggers an SCR or triac 40 into conduction so as to short the live supply conductor A to neutral N or earth E and thereby blow a fuse F. The control electrode of the SCR/triac 40 is connected to the frame via a diode or resistor 42, and a diode 43 may also be included in the earth lead. A triac triggered by the earth lead potential may be included in the neutral lead.
Patent GB-1141079-A (GB)
Title: Acetylenic carbamates and thiocarbamates
Inventor: CAVALLA JOHN FREDERICK
IPC: C07C271/06
Filed: 1966-12-15
Abstract: 1,141,079. Acetylenic carbamates or thiocarbamates. J. WYETH & BROTHER Ltd. 13 Nov., 1967 [15 Dec., 1966], No. 56202/66. Heading C2C. Novel acetylenic carbamates and thiocarbamates of the formula wherein Ar is a phenyl, naphthyl, or heteroaryl radical, or a phenyl radical substituted by alkoxy, aralkyloxy, halogen, haloalkyl or alkyl; R<SP>1</SP> is H, prop-2-ynyl, aralkyl, one of the radicals specified for Ar or an alkyl radical which may be substituted by OH, OCONH 2 , or dialkylamino; R<SP>2</SP> is H or C 1-4  alkyl; R<SP>3</SP> and R<SP>4</SP>, which may be the same or different each represent an H, or alkyl, or R<SP>3</SP> and R<SP>4</SP> together with the nitrogen atom to which they are attached can form a heterocyclic ring which may contain a further heteroatom; and X is O or S 1 , are prepared by reacting the appropriate alcohol with a suitable carbamic or thiocarbamic acylating agent, i.e. one or more compounds capable of converting a CH 2 OH group into a -CH 2 0C.X.N(R<SP>3</SP>)R 4  group in one or more stages. 2,2 - Diphenyl -, (2 - benzyl - 2 - phenyl -, 2- (o - chlorophenyl) - 2 - phenyl -, 2 - (p - chlorophenyl) - 2 - phenyl -, 2 - phenyl - 2 - (21 - propynyl) -, and 2 - phenyl - 2 - propyl -,) 4- pyntyne- 1 -ols are obtained by reducing with lithium aluminium hydrid the corresponding methyl or ethyl esters, which are in turn prepared by reacting propargyl bromide with the sodium derivatives of ethyl 2,2-diphenylacetate, ethyl 1,2 - diphenylpropionate o - chlorophenylphenylacetate, obtained by treating o-chlorophenylacetonitrile with concentrated sulphuric acid and absolute ethanol, ethyl-2-(p-chlorophenyl) - 2 - phenylacetate, methyl phenylacetate, and ethyl 2-phenylpentanoate respectively. Ethyl 2 - hydroxymethyl - 2 - phenyl - 4 - pentynoat and 2 - phenyl - 2 - (2<SP>1</SP> - propynyl) -  1,3-propanediol are obtained by reducing diethyl 2 - phenyl - 2 - (2<SP>1 </SP>- propynyl) malonate with lithium aluminium hydride. Pharmaceutical compositions, having antiinflammatory, or depressant, convulsant and anti-convulsant activity contain the above novel carbamates and a pharmaceutical carrier.
Patent GB-1409283-A (GB)
Title: Liquid crystal display arrangement
IPC: H03K17/60
Filed: 1972-12-06
Abstract: 1409283 Modulating light; transistor oscillators PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 6 Dec 1972 [9 Dec 1971] 56231/72 Headings H4F and H3T A liquid crystal display panel 1 is cyclically energized by a pulsed voltage supply in order to maintain a display and a shunt path is provided across the panel to reduce the applied voltage after the occurrence of each voltage pulse, thereby increasing the contrast of the display. As shown, a pulse generator 13 operates a transistor 15 (forming the pulsed voltage supply together with a D.C. source 9) and a shunt path transistor 11 in anti-phase, so that the applied voltage is reduced effectively to zero. In Fig. 1 (not shown), transitor 15 is omitted inter alia, so that operation of transistor 11 actually defines the voltage pulses. In Fig. 3, transistors 15 and 11 form part of an astable multivibrator circuit, in which transistors 11 and 17 are operated mutually in phase, and in phase opposition to transistors 15 and 19. It is also stated that a resistor may be provided in series with shunt transistor 11. The supply voltage may consist of alternate positive and negative pulses, being maintained at zero for some time between successive pulses by a shunt path arrangement.
Patent GB-1299742-A (GB)
Title: Heterogeneous polymer mixture
Inventor: GILCH HEINRICH
IPC: C08J9/42
Filed: 1969-11-18
Abstract: 1299742 Polymerizing within the pores of a foamed polymer FARBENFABRIKEN BAYER AG 18 Nov 1969 [29 Nov 1968] 56270/69 Heading C3P [Also in Division B2] A heterogeneous polymer mixture of interpenetrating coherent phases comprises a first polymer in the form of a foam, and a second polymer filling the pores of at least a part of the foam of the first polymer, the first and second polymers each forming a coherent phase, and the second polymer having been polymerized within the pores of the first polymer in the absence of compression. The foam is preferably open pored to the extent of 5-100% by volume. The second polymer may be made from a mixture of monomers, which may be in solution. The foam may be of, for example, a polyamide, a polyolefin, a urea-formaldehyde resin, a phenolformaldehyde resin, a polyester-urethane resin a polyether-urethane resin, a cured unsaturated polyester resin, polyvinylchloride, polystyrene or a polyurethane. The second resin may be, for example an epoxy resin, a polymer of a vinyl compound such as styrene, or a mixture of styrene with comonomers such as fumaric acid and maleic acid esters, acrylic and methacrylic esters, or a mixture of styrene with an unsaturated polyester, a polyurethane, a lactam polymer, or a polyamide. In the examples (1) and (2) a polyamide foam is impregnated with a styrene/diethylfumarate mixture which is polymerized; (3) a maleic anhydride/phthalic anhydride/propylene glycol unsaturated polyester and styrene are polymerized in a phenolformaldehyde resin foam; (4), as in (3) but using a urea-formaldehyde resin foam and (5), as in (3) but using a polyester-urethane foam.
Patent GB-1285084-A (GB)
Title: Improvements in or relating to shaft furnaces
IPC: F27B1/00
Filed: 1969-11-24
Abstract: 1285084 Operating shaft furnaces WESTDEUTSCHE KALK UND PORTLANDZEMENT WERKE AG 24 Nov 1969 [27 Nov 1968] 57441/69 Heading C1A In the operation of a shaft furnace for calcining carbonate-containing ores, which is heated by fuel oil injected at the periphery and in the centre by solid fuel, the level of the combustion zone in the centre is maintained at a constant level relative to the oil burners by supplying a fuel with a higher ignition temperature when it is necessary to lower the level of the combustion zone and one with a lower ignition temperature when it is necessary to raise the level of the zone. Usually the inner combustion zone and the outer (oil fired) combustion zone are maintained at the same level in order to produce even heating of the charge. In furnaces of large diameter different solid fuels may be supplied in annular zones, preferably with the ignition points of the fuels decreasing towards the centre so as to give an upright conical combustion zone. The ignition point(s) of the solid fuel(s) should preferably be such that the waste gas leaving the top of the furnace is above its dew point.
Patent GB-1222388-A (GB)
Title: Improvements in and relating to side dumping digging buckets for loading machines
Inventor: LEIJON TAGE NILS WILHELM
IPC: E02F3/345
Filed: 1968-12-04
Abstract: 1,222,388. Shovel structures. T. N. W. LEIJON. 4 Dec., 1968, No. 57523/68. Heading E1F. In a side dumping digging bucket discharge of material from the bucket sideways through an open end of the bucket to a point laterally well clear of the 'bucket on upward swinging of the bucket about said end is aided by a chute 7, that is so mounted on the underside of the bucket at that end as to be caused to swing out from beneath the bucket into alignment with the bottom of the bucket by the upward movement of the bucket. The movement of the chute 7 relative to the bucket is controlled by a linkage 9 extending between the chute and a cradle on which the bucket is pivotally supported at said open end. The bucket may be open at each, end and a chute assembly is then provided at each end. The linkage 9 may be modified to include a lost motion coupling.
Patent GB-1174598-A (GB)
Title: Operating Mechanism for a Friction Clutch
Inventor: LIVINGSTONE PETER DAVID
IPC: F16D65/28
Filed: 1966-12-22
Abstract: 1,174,598. Clutch control. FORD MOTOR CO. Ltd. 22 Dec., 1966], No. 57547/66. Heading F2L. In a servo assisted clutch release mechanism for a motor vehicle wherein a pneumatic servo 11 acts through a combined servo piston and slave cylinder 14 on a clutch release lever (63), (Fig. 1, not shown) and is controlled by valves 23, 24 responsive to the pressure in a line 27... 29 between a master cylinder (not shown) and the slave cylinder 14, smooth clutch operation is obtained by arranging the valves so that the valve 23 opens at a first predetermined pressure to admit pressure air to the servo 11 whilst the exhaust valve 24 closes at a higher predetermined pressure. On depression of a clutch pedal (not shown) the pressure in the line 27 ... 29 rises and at the first predetermined pressure acts through plungers 33, 37 to start lifting valve plates 32, 38. The valve 23 then admits pressure air to the servo 11 whilst the exhaust valve 24 is still partially open. As the pressure in the line 27 ... 29 continues to rise the valve 23 progressively opens whilst the the valve 24 closes. At the second predetermined value the valve 24 is fully closed and pressure in the servo 11 builds up rapidly. During further clutch pedal movement the valves 23, 24 are respectively open and closed and the piston 14 moves the clutch release lever (63).
Patent GB-1391638-A (GB)
Title: Mould stool
IPC: B22D7/06
Filed: 1972-12-14
Abstract: 1391638 Ingot mould stools NIPPON CRUCIBLE CO Ltd 14 Dec 1972 57706/72 Heading B3F [Also in Division C3] The cast-iron stool 3 of a cast-iron ingot mould 2 is provided with a recess 4 in which is placed an insert 5 composed of a carbon-bonded silicon carbide/graphite refractory material. The refractory material may also contain SiO 2 , Al 2 O 3 , ZrO 2 , B 2 O 5 , iron oxide and an alkali metal oxide (for further details of the material composition see Division C3). A luting composition is used to join the insert 5 to the stool 3, the composition comprising by weight The luting covers the base of the recess at 7 and fills the gap 6 between insert 5 and stool 3. Annular or helical grooves 8, 9 filled with luting may be provided in the insert 5 and in the recess 4. As shown the upper surface of the insert 5 is depressed 30-50 mm. compared with that of the stool 3. When casting ingots of 10 tons or more 15-40% of the mould cavity bottom area is formed by the insert. With smaller ingots the insert 5 may form all the mould cavity bottom area.
Patent GB-1322770-A (GB)
Title: Gas discharge panel display
IPC: H01J17/49
Filed: 1970-12-08
Abstract: 1322770 Gas discharge display panels INTERNATIONAL BUSINESS MACHINES CORP 8 Dec 1970 [18 Dec 1969] 58260/70 Heading HID A gas discharge panel display has a plurality of gas discharge sites each and every one of which is defined by the crosspoint of a pair of electrodes belonging respectively to first and second sets of co-ordinate electrodes, V 1  to V 4  and H 1  to H 4  which are insulated from the gas and includes first and second sets of separators comprising conductors, 51 to 55 and 41 to 45, intercolated respectively with the first and second sets of electrodes. All the conductors of the first and second sets of separators may be left unconnected (Fig. 1, not shown) or may be connected to a common potential source, the separators serving to inhibit cross talk by electrostatic shielding. Numbers, letters and symbols are generated by supplying a potential difference across selected cells which exceeds the ignition potential and periodically reignited by a potential difference which exceeds a sustain level. Erasure is by reducing charge in a selected cell. Cell density may be at least 2500 cells/ins<SP>2</SP>. The panel may be constructed as in Specification 1,285,219 and circuitry may be as in Specification 1,317,663.
Patent GB-1456249-A (GB)
Title: Trasn
IPC: B62B3/18
Filed: 1973-12-18
Abstract: 1456249 Shopping trolleys ATELIERS REUNIS SA 18 Dec 1973 [18 Dec 1972] 58454/73 Heading B7B A supermarket trolley has a double wall structure at its front end which houses on a vertically slidable retractable tray. The tray is moved to an in use position by raising to the 6a position and swinging in the direction of the arrow F 2  where it is supported by angle plates 12.
Patent GB-1313569-A (GB)
Title: Method and apparatus for baling
IPC: B30B9/30
Filed: 1970-12-09
Abstract: 1313569 Baling machines AMERICAN HOIST & DERRICH CO 22 April 1970 58504/70 Heading B5F Apparatus for baling paper, cardboard &c. comprises a ram 40 for compressing the material in a compression chamber 30, a transfer ram 74 for intermittently and repeatedly moving the material in a direction perpendicular to the compressing direction, and means 90 for strapping the material when the transfer ram is stationary. Material to be baled is fed through a hopper 24 to a gathered chamber 12 in which the head 46 of the compression ram reciprocates. When the head 46 is in its compressing position material supplied through the hopper 24 rests on a cover-plate 50 extending rearwardly from the head 46. A shear blade 52 on the ram head 46 co-operates with a fixed knife 58. The transfer ram 74 has a piston-rod 80 carrying a transfer head 82 provided with a skirt 84 to prevent paper &c. accumulating behind the head 82. The strapping apparatus 90 includes a rectangular shaped track 92 through which the strap 226 passes during tying. The strap is fed from a coil 98 by feeding apparatus (96), Fig. 6 (not shown), and drive wheels 94. Figs. 8, 9A and 9B (not shown) show hydraulic and electric circuits for automatic operation of the baling and strapping apparatus. (For Figures see next page)
Patent GB-590857-A (GB)
Abstract: 590,857. Picture mounts. PHILLIPS, W. April 23, 1945, No. 10186. [Class 11] For holding a photograph &c. each leaf A of an album has a sheet B with a rectangular opening attached thereto, and between the sheets A, B is interposed a transparent sheet C secured at three edges only, with the remaining edge E extending above and beyond the adjacent edge of the opening in the sheet B so as to allow of the insertion of the photograph. The edge E passes through slits D in the sheet B.
Patent GB-1217930-A (GB)
Title: Flame detector
IPC: F23N5/12
Filed: 1968-12-23
Abstract: 1,217,930. Controlling burners. COMBUSTION ENG. Inc. 23 Dec., 1968 [26 Dec., 1967], No. 60948/68. Heading F4T. The presence or absence of a flame between two electrodes 14, 18 is detected by applying a low voltage, alternating carrier signal C to electrode 14, and detecting at the electrode 18, which picks up the signal transmitted by electrode 14, whether the signal is modulated as a result of gas ionization in the flame. As shown, an S.C.R. 56 is triggered only when the carrier signal is modulated, the signal then activating a switch 62, e.g. a reed relay in conjunction with a relay hold capacitor 68, which sends the signal to a readout 64. Upon flame cessation, S.C.R. 56 is non-conducting, switch 62 is deactivated, and an alarm 38 is activated. The alarm may be used automatically to turn off the flame gases. The electrodes may be in the form of aviation spark plugs, Fig. 7 (not shown), such that air circulation in the plugs maintains the electrodes clear of combustion products.
Patent GB-1255187-A (GB)
Title: Improvements in or relating to vehicle brake assemblies
Inventor: CULLEN JOHN LESLIE
IPC: F16D65/22
Filed: 1968-12-30
Abstract: 1,255,187. Brake actuators; transmitting mechanisms. GIRLING Ltd. 5 Dec., 1969 [30 Dec., 1968], No. 61593/68. Headings F2E and F2F. A pneumatically operated vehicle brake assembly comprises a fixed torque plate 11 located on an axle tube 12, a pneumatic motor 24 supported by a bracket 18 rigidly connected to the axle tube 12, a tubular member 30 extending between the torque plate 11 and the bracket 18 and having respective bearings 34, 28 which are respectively received and located by a seat member 32 fixed to the torque plate 11 and a seat 26 on the bracket 18, an actuator rod 38 extending from the bracket 18 and a brake expander rod 36 passing through the torque plate 11 to act on a brake expander 16, the actuator rod 38 and the expander rod 36 being coupled within the tubular member 30 which acts to take up reaction forces created between the bracket and the torque plate during braking. As shown, the bearing 34 is formed integrally with the tubular member 30 and the bearing 28 is threaded thereon. As shown in Fig. 1 the brake assembly is push operated but in the embodiment of Fig. 2 (not shown) the assembly is pull operated. Also in Fig. 2 the seats are concave and the bearings are retained therein by a circlip or a threaded ring.
Patent GB-730201-A (GB)
Abstract: 730,201. Ticket-issuing machines. WESTINGHOUSE GARRARD TICKET MACHINES, Ltd., DIXON, S. M., and DAVIES, J. E. May 29, 1953 [July 24, 1952], No. 18757/52. Class 106 (3). In a ticket printing and issuing machine a magazine is located at the ticket outlet and is constructed and arranged so that a ticket may be manually detached from the strip and simultaneously filed in the magazine in one operation. The magazine comprises a backplate 1, Fig. 1, fixed by screws 4 to the machine 5 below the ticket outlet 6 and a casing 2 pivotally mounted on pins 7 and normally retained against the plate I by clips 9. The back-plate 1 has a horizontal platform 3 in the outlet 6. The upper edges of the two sides 2a are bent inwardly to form flanges 10, Fig. 2. The magazine contains a platform member 13, Fig. 1, urged upwardly by a spring 15 and guided by pins 12 which engage slots 11 in the sides 2a. A guide-bar 17 fixed to the top of the casing 2 extends above the plate 3. The individual tickets are partially severed or perforated by guillotine cutters inside the machine and as the issued ticket rests on the flanges 10 it may be manually pressed down by the operator between the flanges 10 on to the support 13 and thereby completely severed from the strip along the edge 18, Fig. 2, of the plate 3.