baber/WOPTO huggingface dataset:
Patent GB-741055-A (GB)
Title: Improvements in and relating to the elimination of dazzle by headlights of road vehicles
IPC: H01K9/08
Filed: 1952-10-10
Abstract: 741,055. Vehicle headlights; electric lamp bulbs. DEVAUX, R. H. P., and FALASCHI, O. Oct. 10, 1952 [May 29, 1952], No. 25428/52. Classes 39(2), 75(2) and 75(4). In an anti-dazzle arrangement, for vehicle headlights, comprising a reflector and a lamp bulb 101, the envelope of the lamp bulb is provided with an axial screen 107, in front of the lamp filament, which is convex on the surface facing the filament and reflects light back towards the reflector, and with a lateral screen 105 or 106, between the filament and the reflector, which reflects back into the envelope dazzling light which would otherwise be reflected towards the side of the road occupied by oncoming traffic. As shown each side of the lamp bulb is screened by thickened, less transparent portions 103, 104, which may be coloured and are partially covered by opaque, backreflecting coatings 105, 106 respectively, the latter being, if desired, coloured differently from each other. The axial screen is provided by a concavity 107 in the outer surface of the bulb, covered by an opaque, back-reflecting coating 108 which extends laterally towards the thickened parts 103, 104. In a twin headlight, system the respective bulbs 101 may be of different colours to provide contrasting ilhunination and, in the event of failure of one headlight a means of identifying to oncoming traffic the sides of the vehicle. The axial and lateral screens may be detachably mounted on the lamp bulb.
Patent GB-414231-A (GB)
Title: Improvements in the distillation of immiscible liquids
IPC: C10C1/04
Filed: 1933-09-14
Abstract: <PICT:0414231/III/1> Miscible liquids, of which one at least boils below, and another above 100 DEG  C., the higher boiling constituent being immiscible with water, are separated by distillation with steam in a still, the vapours being led first to a fractionating column in which a part of the higher boiling constituent is condensed and removed at the base, while the remainder is condensed with some of the steam in an analysing column and after separation from the water is returned to the still.  The process is applied to the distillation of benzolized wash oil which is preheated by passage through an analyser 2 and is then passed through a pipe 17 into the top of a still 1 down which it flows in countercurrent to steam admitted through a pipe 3.  The debenzolized oil is run off through a pipe 6. The vapours evolved pass off to a fractionating column 4 in which most of the wash oil carried over is withdrawn through a pipe 15 while the remaining wash oil with some benzol and steam is condensed in the analyser 2, and the condensate is passed to a separator 5 from the bottom of which water is removed through a pipe 19 while the top layer of oil is returned to the still through a pipe 20.  If a medium boiling constituent is present this is condensed with some water in an additional analyser, separated from the water, and returned to the column 4. Specification 404,081 is referred to.
Patent GB-532592-A (GB)
Title: Improvements in or relating to stencil devices for use in painting so-called "white lines" on the surface of a road
IPC: E01C23/20
Filed: 1939-09-08
Abstract: 532,592. Stencils. WILLIS, A. M., and BRECKNELL, WILLIS & CO., Ltd. Sept. 8, 1939, No. 25458. [Class 100 (ii)] A stencil device for use in painting white lines on road surfaces consists of an elongated strip of rubber &c. with openings 4 and pointed ends. In stencilling a broken line, the pointed ends are placed on a line chalked on the road. The distances a and b are equal thereby facilitating correct positioning at each successive application of the strip to the road.
Patent GB-241554-A (GB)
Title: Improvements in electrically heated hot plates and other electric heating devices
IPC: F24C15/10
Filed: 1925-10-12
Abstract: 241,554. Wiegand Co., E. L., (Assignees of Wiegand, E. L.). Oct. 15, 1924, [Convention date]. Wire resistances, embedded and encased.-An annular heating element, Fig. 8, comprises a resistance 8 embedded in a refractory material such as granular alumina or silicate of zirconium or magnesium contained in a metal sheath 6. The resistance, may be an alloy of chromium or iron and the sheath may be made of monel metal. The closure plate 9 may be welded at the edges of the other portion of the sheath. Specification 221,180 is referred tQ.
Patent GB-502731-A (GB)
Title: Air cooling of internal combustion engines
IPC: F02F1/06
Filed: 1937-09-20
Abstract: 502,731. Cooling cylinders and exhaust pipes. ROWLEDGE, A. J. Sept. 20, 1937, No. 25495. [Class 7 (ii)] In an air-cooled in-line engine a baffle D divides the cooling air space into a high pressure chamber B and a low pressure chamber M, which are connected by conduits E<2> resting against the fins of adjacent cylinders, Fig. 5, and through which the cooling air flows as shown by the arrows. The conduits are arranged alternately on opposite sides of the line, so,that each cylinder is cooled by four currents. Dividing baffles G and lateral baffles F are provided. In an X-engine the air is collected by a scoop C and passes to the lowest chamber B and through a distributing chamber at the rear to the other chambers B. Further passages, from the high tothe low pressure chambers, are arranged adjacent the cylinder heads, baffles being provided. If the engine is a sleeve-valve engine exhaust pipes J<1> extend up the conduits E<2>, which are thus cooled.
Patent GB-766838-A (GB)
Title: Improvements in or relating to a spray gun
IPC: B05B7/24
Filed: 1954-09-02
Abstract: 766,838. Injectors. REISS ENGINEERING CO., Ltd., and REISS, A. Aug. 25,1955 [Sept. 2, 1954], No. 25498/54. Class 71. An injector nozzle 2, Fig. 1, supplied with liquid under pressure and discharging into a chamber 1 induces atmospheric air through a duct 4 and also either powder or liquid from a container 7 through an auxiliary duct 14 and a port 8; the resulting mixture being discharged as spray through a nozzle 3. Control of admission of in duced air and either powder or liquid is effected by manually operated valves 6, 11 in the supply ducts 4, 14 respectively. In a modification air is admitted through apertures 105, Fig. 2, in the wall of a hopper-like duct 104 located between the liquid or powder container 107 and the suction chamber 101 into which the nozzle 102 supplied with liquid through a duct 120 discharges. Discharge of powder or liquid from the container 107 is controlled by a valve 111.
Patent GB-743375-A (GB)
Title: Improvements in heat exchangers
IPC: F28F3/08
Filed: 1953-09-16
Abstract: 743,375. Plate heat-exchangers. BABCOCK & WILCOX, Ltd. Sept. 16, 1953 [Sept. 17, 1952], No. 25587/53. Class 64(3). Relates to heat-exchangers e.g. air preheaters comprising an assembly of plates 1, 2 spaced apart to provide passages therebetween, a heating fluid e.g. hot gas, flowing through alternate passages and a fluid to be heated such as air, flowing through the remaining passages. According to the invention, the plate assembly is held together by ties 7 which together with members 8 disposed on opposite sides of the plate assembly comprise a plurality of bracing frames spaced apart along the length of the assembly, the members 8, which afford lateral support to the plates, being pre-stressed in a manner tending to counteract the stresses set up during operation of the heat exchanger. In the form shown the bracing frames 7, 8 are spaced along side frames comprising channel members 5, 6 disposed on opposite sides of the plate assembly, the side frames being interconnected by cross members 51, 61. The plates 1, 2 are spaced apart by distance pieces 3 in one set of passages and distance pieces 4 in the other set of passages such that the two fluids flow in cross flow through the plate assembly. The plates are connected in pairs as shown in Fig. 2.
Patent GB-983863-A (GB)
Title: Improvements in or relating to electromagnetic indicators
Inventor: SPREADBOROUGH JOHN
IPC: G08B5/30
Filed: 1960-07-22
Abstract: 983,863. Two position indicators. PLESSEYU.K. Ltd. July 14, 1961 [July 22, 1960], No. 25587/60. Heading G4F. An electromagnetic on-off indicator comprises a permanent magnet 7 carried diametrally on an indicator drum 6 capable only of limited angular movement, a brake being provided to hold the drum in either terminal position until a coil 8 is energized. When the coil 8 is de-energized abrake shoe 13 carried on the free end 12 of an L-shaped leaf spring 10, Fig. 1, is urged into engagementwith one or other of flats 14 on the drum. When the coil is energized, its core 9 magnetically withdraws the shoe 13, and the indicator is rocked to its other terminal position by interaction of the permanent magnet 7 with the poles of the electromagnet at the upper ends of pole arms 16 and the core 9. The electromagnet is energized in the appropriate sense according to the direction of drum movement required.
Patent GB-532611-A (GB)
Title: Improvements in or relating to photographic printing apparatus employing light measuring means
IPC: G01J1/42
Filed: 1939-09-11
Abstract: 532,611. Photo-electric exposure meters. KODAK, Ltd. Sept. 11, 1939, No. 25604. Convention date, Sept. 10, 1938. [Class 40 (iii)] [Also in Group XX] The light transmitted by the negative in a photographic printing-apparatus is passed to a photoelectric exposure meter by light-collecting and reflecting means which is adjustable prior to the insertion of the negative for regulating the proportion of the light falling on the light sensitive element in accordance with the size of the exposure aperture in the negative holder. The same readings are thus obtained for all negatives of similar densities regardless of their size. In the construction shown, intended for use with a vertical enlarger, a housing having an opening 43 in the top for the light transmitted through the negative contains an inclined mirror 34 which is pivoted at 35 and which reflects the light to a photoelectric meter 38 held at the front of the housing by clips 37. The mirror is adjusted and secured by a knob 69 threaded on to a stud which projects from a clip secured to the mirror through an arcuate slot in the wall of the housing. The housing and the projection lens 13 are attached to a member 52 slidably mounted on a plate 48 secured to the underside of the lens board of the enlarger, so that either may be brought below the negative. After trial exposures have determined the scale setting of the meter suitable for negatives of a given size, but of varying densities, the apparatus may be adjusted to deal with negatives of another size, without alteration of the meter scales, by removing the first negative, noting the meter reading, then substituting the carrier for the other size of negative and by then adjusting the mirror until the meter reading returns to the first value. In a modification, intended for use when the enlarging objective passes sufficient light to actuate the meter, the light measuring apparatus is carried on a pivoted arm which allows it to be swung beneath or away from the objective.
Patent GB-1350484-A (GB)
Title: Electronic device for regulating the voltage of alternators parti cularly for motor-vehicles
IPC: H02J7/24
Filed: 1971-04-19
Abstract: 1350484 Automatic voltage control FABRICA ITALIANA MAGNETI MARELLI SpA 19 April 1971 [11 April 1970] 25678/71 Heading G3R A voltage regulator R for the alternator A of a motor vehicle supplying a battery B and load U through a full-wave rectifier comprises a pair of silicon controlled rectifiers SCR1, SCR2 connected to respective phase windings F1, F2 of the alternator and to its field winding E, a further silicon controlled rectifier SCR which supplies firing signals to rectifiers SCR1, SCR2 when the alternator/rectifier output voltage falls below a predetermined value and which supplies current to the winding E from battery B at startup of the alternator, and a control circuit for rectifier SCR comprising a diode D1 and a transistor TR which is turned on or off according to whether the voltage signal from a divider R1, R2, P1, R3 across the output voltage is less or greater than the reference voltage set by a Zener diode DZ. At start-up, current from battery B passes to the winding E through rectifier SCR and resistors R6, R7 and R8, R9 and through a lamp S which indicates the battery-discharge condition and the occurrence of a short circuit in the winding E. To prevent the lamp 5 flashing due to the use of only two phases of the alternator supply, a diode D2 by-passes the signal applied to the gate of rectifier SCR during the time period of the missing phase, so cutting off the supply to the lamp. The arrangement allows the use of a rectifier SCR of reduced rating, a similar advantage being obtained for rectifiers SCR1, SCR2 when two phases of the alternator are used as described, or when three phases are used, Fig. 3 (not shown) If desired only one phase may be employed, Fig.2 (not shown). Also provided are a negative temperature coefficient resistor Ro and a high value capacitor C to provide a time constant for rendering the control circuit insensitive to rapid changes in output voltage.
Patent GB-588935-A (GB)
Title: Improvements in silver roll forming machines
IPC: D01G15/62
Filed: 1944-12-22
Abstract: 588,935. Sliver-roll forming machines. FRASER & SONS, Ltd., D., and BROWN, J. S. Dec. 22, 1944, No. 25709. [Class 120 (i)] A sliver-roll forming machine has half-arbors and arbor-starting roll-confining discs, of less diameter than the finished roll, carried by arms adapted to be swung apart on completion of a roll, rotary driving discs engaging with the starting-discs at the start of roll formation, and a driving drum separate from, and non-coaxial with, the driving discs engaging the incipient roll, cheek-plates secured to the arms partially embracing the peripheries of the starting discs and covering the nip of the driving drum with the sliver roll. The roll 2 is formed on halfarbors 6 which are provided with starting discs 1 and are carried on pivoted arms 3 to which cheek-plates 4 are secured. On starting a roll, driving discs 5 and the incipient roll is driven frictionally by the driving drum 7. The cheek plates serve to position the expanding roll and together with a hanging back flap 8, guide the sliver while the arms are descending for a restart. The driving drum shaft 9 may be common to a group of machines. Specifications 323,416, [Class 120 (i)], and 398,617 are referred to.
Patent GB-748158-A (GB)
Title: Improvements in or relating to mechanical guiding means
Inventor: HAMILTON JOHN HUNTER
IPC: B23Q1/36
Filed: 1953-09-18
Abstract: 748,158. Springs. SIGMA INSTRUMENT CO., Ltd. Dec. 13, 1954 [Sept. 18. 1953], No. 25831/53. Class 108 (3). [Also in Group XXIV] A spring support for guiding rectilinearly a member 1 with respect to. side members 2, 3, particularly for a linear dimension gauge or comparator as described in Specification 622,296, [Group XIX], comprises a spring plate 8, Figs. 1 and 3, at each of the ends of the members 1, 2 and 3. The plates 8 are slotted at 9, 10 to form a central portion 8A and two side portions 8B, 8C. The central portions are attached at their centres to the member 1 whilst the side portions are similarly attached to the members 2, 3. In a modified arrangement, Fig. 4, springs 12 attached centrally to member 1 extend beyond the side members 2, 3 and are connected by blocks 14 to short springs 13 attached to the side members.
Patent GB-513937-A (GB)
Title: Improvements in or relating to brakes for vehicles
IPC: B60T11/10
Filed: 1938-04-23
Abstract: 513,937. Hydraulic brakes. AUTOMOTIVE PRODUCTS CO., Ltd., and BROCK, D. T. April 23, 1938, No. 25849/39. Divided out of 513,957. [Class 103 (i)] A hydraulic master cylinder unit is connected to a mechanical brake system and is freely movable axially so that when the cylinder unit is operated, the hydraulic and mechanical systems are simultaneously applied. The master cylinder 10 is mounted on the vehicle chassis 12 by levers 21, 60, the lever 60 being connected by a mechanical transmission 63 to the rear brakes of a vehicle and the pipe 67 to the other pair. The reaction of the hydraulic pressure thus applies force to the link 63. The link 63 may instead be attached directly to the rear end of the cylinder, the other end being supported by a link and the piston being movable forwardly by an arm on the pedal lever. Independent means such as a hand lever may be provided for actuating the mechanical rigging. According to the Provisional Specification, the master cylinder may be mounted on slides and some of the vehicle brakes may have both hydraulic and mechanical operating means that are connected respectively to the master-cylinder unit and to the brake rigging as above described.
Patent GB-1145727-A (GB)
Title: Alarm systems
IPC: G08B1/04
Filed: 1967-06-05
Abstract: 1,145,727. Fluid control alarm system. IMPERIAL-RIV, S.r.L. 5 June, 1967 [6 June, 1966], No. 25869/67. Heading G4F. [Also in Division G3] A fluid circuit operated alarm system provides concurrent audible and intermittent visual alarms which when acknowledged become a steady visual alarm and the fluid circuit includes a recycling amplifier controlled through a pipe in such a way that when the remote end of the pipe is closed the amplifier oscillates to produce an intermittent control for the visual alarm. The fluid system of Fig. 2 comprises two coincidence elements 37, 38 in which fluid flows to branches 42 and 47, respectively, only when fluid is coincidentally applied to 40, 41 or 45, 62 and a bi-stable element 39 in which the fluid from 50 stably flows to branch 51 or 52 once momentarily deflected by fluid in control branches 53 and 54. It also comprises a recycling amplifier 3 in which fluid from 12 divides between branches 13 and 15 according to the flow in 14, that in 15 being recycled to a control channel 17 to cause the amplifier to operate as a trigger switch. In operation, the alarm condition produces fluid flow into pipe 58 which, reacting with flow into pipe 41 produces flow to 42. Part of this operates a horn 36 and part flows via 59 and 26 to depress the membrane of a valve 25 and close aperture 28. A pulse is thus set up at the input of amplifier 3 and this travels back along the pipe to the membrane where it is reflected back to the input of the amplifier to trigger a further pulse. The amplifier thus oscillates and the resulting pulses in output branch 15 operate the switch of an electric flasher or an equivalent curtain type non-electric indicator. The fault is acknowledged by momentarily opening valve 63 to allow incoming fluid to react with fluid previously flowing through 45 to outlet 49, so as to provide a momentary flow in 53. This directs flow from 45 to the other branch, i.e. to 52. Cessation of flow in 51 reacts in the coincidence circuit 37 to terminate the flow to the horn and the transfer of the flow to 52 opens valve 25, the flow continuing to the amplifier where it maintains a steady indication from the visual indicator (terminating the flashing). The alarm is reset by momentarily opening valves 65 thus restoring flow in the bi-stable element to the original left-hand branch 51, releasing the visual indicator. The acknowledgment and resetting valves may be common to a number of units. Fig. 1 (not shown) illustrates a simplified system in which acknowledgment is effected by opening a valve (22) individual to the element and resetting is effected by reclosing the valve. In Fig. 3 (not shown) the coincidence circuit 37 is replaced by a bi-stable element (2) so that the audible and visual alarms persist if the control signals are of pulsating type. Several alarm circuits may be secured together as layers and a common acknowledgment and reset layer provided (Fig. 4, not shown).
Patent GB-928032-A (GB)
Title: A heavy medium sink and float separator for the beneficiation of coal, ores and other minerals
IPC: B03B5/36
Filed: 1960-07-26
Abstract: 928,032. Sink and float separators. WESTFALIA DINNENDAHL GROPPEL A.G. July 26, 1960 [Aug. 7, 1959], No. 25930/60. Class 117. A sink and float separator, for beneficiation of coal, ores and other minerals by separation in a heavy medium, comprises a separating tank from which the sink and float are discharged on the same side of the tank by a common threetracked conveyer, preferably the rubber belt box-type. In Figs. 1 and 2, the separator 2 is in the form of a tank 4 with the belt conveyer 5 extending up one of its sloping side walls. Below the feeding screen 1, the tank contains a saddle-shaped deflecting member 7 for guiding the sink on to the outer tracks of the conveyer, whereas the float is concentrated by two deflecting baffles 8 on to the centre track. The products are discharged over the upper belt head 6 on to a three-part drainage screen 3. Alternatively, the tank may taper downwards, as in Fig. 4, the sink being deposited on to the centre track whereas the float is deflected by baffles on to the outer tracks of the conveyer. The belt conveyer may extend down one and up the other sloping side wall of the tank so that the belt heads 6 are located above the level of the heavy medium, as in Fig. 5.
Patent GB-259409-A (GB)
Abstract: 259,409. Linebarger, C. E. Nov. 16, 1925. Plastic compositions containing stearic acid and chlorinated hydrocarbons in substantially equal parts are used for making hydrometer floats, &c. Chlorinated naphthaline is preferably used. The properties oE the composition may be varied by additions of wax such as carnauba or montan wax, varnish gum such as copal, congo, rosin, &c., or inorganic fillers such as asbestos, talc, or mica. Oil-soluble dyes may be added.
Patent GB-1015195-A (GB)
Title: Improvements in or relating to photographic and cinematographic cameras
IPC: G03B3/00
Filed: 1962-07-06
Abstract: 1,015,195. Zoom control; cine cameras. EASTMAN KODAK CO. July 6, 1962 [July 6, 1961], No. 25965/62. Headings G2E and G2J. A camera comprises a drive motor coupled to a power transmission mechanism having a pair of output members which are oppositely rotatable and, by manual operation of a zoom control, can be selectively coupled to the input number of a zoom lens system so as to rotate said member in a corresponding direction to adjust the magnification. As shown in Fig. 1, electric motor 14 drives, through friction clutch 20, a shutter 22 and reduction gearing having oppositely rotating output gears 42, 44 which, by movement of zoom controlled arm 48, can be selectively coupled to gear 46 meshing with the input gear 52 on the zoom lens. When arm 48 is in neutral position, the magnification can be manually adjusted by rotating ring 53, integral with gear 52. The shutter is normally braked at 24, this brake being released and a switch 28 in the motor circuit being closed on operation of shutter release 26. In a second embodiment, the zoom control arm is arcuate and carries two gears for meshing with the output gears 42, 44. Further, the zoom control arm is coupled to another switch, in parallel with switch 28, whereby the motor circuit is closed on operating the zoom control arm, even though member 26 has not been actuated to release the shutter.
Patent GB-1161357-A (GB)
Title: Improvements in or relating to Hand Barrows
Inventor: TOYNE JACK
IPC: B62B1/20
Filed: 1967-06-06
Abstract: 1,161,357. Hand trucks. PORTOBELLO FABRICATIONS Ltd. and J. TOYNE. 6 June, 1968 [6 June, 1967], No. 26033/67. Heading B7B. A collapsible barrow has inwardly-folding side panels 5, 9 hinged together at 15 and at 7 to the back 8, and to the front at 11. The panels 5 carry handles 22 to rotate the panels into the folded position after the channel clips 16 have been raised and a stand 31 is pivotally mounted at the rear of the barrow. The wheels and handles may be removable to enable them to be stored inside the folded barrow.