baber/WOPTO huggingface dataset:
Patent GB-629033-A (GB)
Title: Improvements in cigarette cases for holding cigarette packets
IPC: A24F15/12
Filed: 1947-06-13
Abstract: 629,033. Cigarette cases. GORDON, E. F. June 13, 1947, No. 15585. [Class 18] A cigarette case comprises a rectangular container 10 adapted detachably to receive a packet of cigarettes, two complementary hinged lids 19 biassed by springs 21 to swing open on operation of releasable catch means and a spacer member 30 on the base 11 for displacing the cigarettes relative to the packet so that their upper ends project into the lids 19 and are accessible when the lids open. As shown, the container 10 consists of a U-shaped frame with the limbs 13 connected by strips 28 which are dished between their ends to frictionally engage and retain the cigarette packet and may carry a name or other marking on their outer faces. The lids 19 are held closed by the engagement of projections 25 in holes 24 formed in a forked resilient catch member 22, Fig. 4, that can be pushed inwardly, to release the lids, by a thumb piece 27. If desired, each lid may have hinge knuckles with inwardly projecting lugs for engaging the upper edge of the packet when the lids are closed.
Patent GB-804592-A (GB)
Title: Improvements in or relating to heat exchangers and tubes therefor
Inventor: PLUMMER GILBERT ASHTON
IPC: F28F1/00
Filed: 1954-05-26
Abstract: 804,592. Making heat-exchanger tubes. THOMPSON WATER TUBE BOILERS, Ltd., J. Nov. 24, 1954 [May 26, 1954], No. 15587/54. Classes 83 (2) and 83 (4). [Also in Group XIII] A method of making a composite tube 1 for a heat-exchanger comprises fitting around an inner tube 2 a helical wall 3 of heat conducting material with the convolutions spaced apart, locating an outer tube 4 over the helical wall and either expanding the inner tube 2 or drawing down the outer tube 4 to seal the wall 3 against the two tubes. In the form shown the wall 3 comprises a metal strip, one end of which is welded in position before the strip is wound on to the inner tube. The inner tube may be ultimately expanded either by driving or drawing a mandrel through it or by an applied internal pressure generated mechanically, hydraulically or physically by freezing water contained therein. In alternative constructions described the strip 3 is resistancewelded or soldered to both tubes or the helical passage within the composite tube may be formed by cutting a spiral groove in one or other of the tubes 2, 4 or in a metallic sheath drawn over the inner tube. Reference has been directed by the Comptroller to Specifications 703,081, [Group XIII], and 728,131.
Patent GB-217049-A (GB)
Title: Improvements in devices for utilising the heat of exhaust-gases in internal-combustion engines
IPC: F01N5/00
Filed: 1923-06-15
Abstract: 217,049. Cyprzirsch, A. June 15, 1923. Thermo-electric batteries.- A thermo-electric battery having elements in the form of rings 6 is built into the walls of the exhaust box of an internal combustion engine. The exhaust box is of the type having an internal bell 2 to cause the gases to follow a zig-zag path from the inletpipe 1 to the discharge pipe 3. The elements of the pile may consist of strips of German silver- and zinc-antimony alloy.
Patent GB-335234-A (GB)
Title: Improvements in furnaces for annealing metal sheets by a continuous process
IPC: C21D9/46
Filed: 1929-05-21
Abstract: 335,234. Griffiths, E. May 21, 1920. Endless-chain conveyers with articles hung on hooks; guiding.-The turned over upper edges of metal sheets to be transported through a furnace are engaged with hook members b' secured to arms B depending from the conveyer, and are held by pivoted clamps b<3>, which are turned automatically at both ends of the furnace by the engagement of pins b<4> with fixed cam bars, to allow the sheets to be placed on and removed from the hooks. The arms B are bolted to cantilever members b<5> secured to the conveyer chain b<10>, and guided by longitudinal bars b', b<12>.
Patent GB-940290-A (GB)
Title: Process for the hydrorefining of aromatic hydrocarbon distillates
IPC: C10G65/04
Filed: 1962-04-25
Abstract: High quality diesel fuels are obtained from aromatic hydrocarbon distillates boiling in excess of the gasoline boiling range by reacting the distillate with hydrogen in a first reaction zone containing a hydrorefining catalyst, at least a portion of the effluent from the first reaction zone is introduced into a second reaction zone containing a hydrorefining catalyst and reacted therein with hydrogen, characterized in that the quantity of catalyst disposed within the second reaction zone is at least 65% vol. of the total quantity of catalyst disposed in the two zones, and that the effluent from the first reaction zone is cooled to such a temperature before introduction into the second reaction zone that the heat of reaction within the second reaction zone results in the effluent from the second reaction zone having a temperature of less than 427 DEG C. The first reaction zone is preferably operated at 204 DEG -427 DEG C.  Suitable pressures for the process are 68-136 atmos., and L.H.S.V. 0.5-20.0. Suitable catalysts comprise components selected from Group VIa and VIII of the Periodic Table, preferably molybdenum and at least one component selected from iron, cobalt, and nickel. They may be composited with refractory inorganic oxide material such as alumina, silica, zirconia, thoria, boria, titania, hafnia, and mixtures.  Halogen, such as fluorine and/or chlorine, may also be present.
Patent GB-1352870-A (GB)
Title: Photosensitive compositions
IPC: G03F7/027
Filed: 1971-05-19
Abstract: 1352870 Aromatic bis-acrylic derivative DIRECTOR-GENERAL AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY and TOKYO OHKA KOGYO CO Ltd 19 May 1971 [4 June 1970 (2)] 15693/71 Heading C2C [Also in Divisions C3 and G2] Compounds of the formula  where Y 1  and Y 2  are CH 2  = CR-COO- or CH 2  = CR-CONH-, where R and X are H or alkyl of 1-6 carbon atoms, are prepared by reacting the compounds wherein Y 1  and Y 2  are OH or NH 2  with CH 2 =CR-CO-halogen.
Patent GB-1324069-A (GB)
Title: Parametric devices
IPC: H03F7/00
Filed: 1971-05-19
Abstract: 1324069 Semi-conductor devices INTERNATIONAL BUSINESS MACHINES CORP 19 May 1971 [30 June 1970] 15757/71 Heading H1K [Also in Division H3] An acoustic surface wave propagating between electrodes 12, 14, in a piezoelectric material 10 is electrically pumped by a pulsating voltage Vg or light source (42) Fig. 3 (not shown) which varies the conductivity of a semi-conductor region on or adjacent the surface of material 10, causing velocity modulation of the acoustic surface wave. The voltage Vg is applied to a metal electrode 22 contacting a silicon ptype semi-conductor 18 with a polished lower surface including n + type regions of periodicity l, causing changes in the conductivity of an inversion layer 26 interacting with the acoustic surface wave. In Fig. 2 (not shown), the inversion layer (30) is formed in the surface of the piezo-material (10), below oxide layer (32), and n regions (28). In Fig. 3 (not shown), the conductivity of silicon photo-conductive layer (40) which may be in equi-spaced strips is varied by gallium arsenide laser light source (42), switched at high frequency.  Operation (i) Degenerate.-Only two #n regions 24 need be provided, with non critical spacing, or a single layer (40) and the pumping frequency of Vg or (42) is twice the acoustic wave frequency. (ii) Non-degenerate.-The pumping frequency deviates from twice the acoustic wave frequency by an amount dependent on the spacing l. Operation of the device is not dependent on non- linearity in the system, which may be used as a parametric amplifier. The variable conductivity is brought about by either the field effect, or the production of a variable width depletion layer. Methods and materials of manufacture are given. The device may be used as a frequency converter, since, in the pumping process, an idler wave, which may have a distinct frequency, is produced.
Patent GB-236042-A (GB)
Title: An improved drying machine
IPC: F26B17/08
Filed: 1924-07-04
Abstract: 236,042. Boldy, T. July 4, 1924. End l e s s - band conveyers, fibrous material carried on; air, controlling circulation of.-Apparatus for drying wool sliver or yarn in hank form &c. comprises a chamber A having super-posed endless-bands a upon which the wool is conveyed through the apparatus while subjected to the action of hot air. The air is circulated by a fan C through a heater D, vertical duct d having dampercontrolled branches d<5> for distributing the air in the chamber, and a return duct to the fan. The vertical duct enters the chamber beneath the lowest conveyer band and is formed with dampercontrolled openings d<2>, d<4> for directing air beneath the lowest conveyer and vertically through the chamber respectively.
Patent GB-420679-A (GB)
Title: Method of and arrangement for the synchronisation of television receiving apparatus
IPC: H04N5/16
Filed: 1933-06-06
Abstract: 420,679. Television. RADIOAKT.- GES. D. S. LOEWE, 10, Wiesenweg, Steglitz, and SCHLESINGER, K., 39, Friedrichstrasse, Friedrichshagen, both in Berlin. June 6, 1933, No. 16155. Convention date, June 7, 1932. [Class 40 (iii)] Synchronizing signals of greater amplitude than the picture signals are separated by a variable counter-potential, which is greater than the picture potentials and less than the synchronizing potentials and is produced by a thermionic valve 6 controlled by the received signals. The signals are applied to the anode 24 of the heated diode 6 through a condenser 5 of approximately 100 cm, which discharges through a resistance 9 of approximately 5 x 10<6> ohms so that the counter-potential never reaches the peak potential of the synchronising signals. The synchronizing signals are applied to a gasdischarge tube 17 through a filter 12, 13 with a time constant designed to eliminate high-frequencies and the line-synchronizing signals, and to a gas-discharge tube 16 through a filter 10, 11 designed to eliminate high frequencies. The grid-bias applied to the tubes by a battery 8 may be such that they periodically discharge condensers 14, 15 even in the absence of synchronizing currents or such that a discharge can only occur when a synchronizing-signal is received. The whole circuit for generating the deflecting potential for the cathode-ray in a receiving-tube, and especially the leads carrying alternating-potentials, is surrounded by screens 22, 23. The currents generated may control mechanical scanning, for example through a synchronous motor.
Patent GB-1242998-A (GB)
Title: Ignition distributors
IPC: F02P7/06
Filed: 1970-04-06
Abstract: 1,242,998. Mechanical interrupters. DUCELLIER & CIE. 6 April, 1970 [9 April, 1969], No. 16171/70. Heading H1N. A contact breaker plate 11 is supported in the housing 2 of an ignition distributer by an annular shoulder 6a and retained by deforming radial lugs 9, 9a formed on the plate, into circumferentially extending slots 5a formed in the wall of the housing. A portion of the wall of the annular slot 5a is cut away to allow the plate to drop in before its lugs 9, 9a are bent outwards; a lug 10 of the plate drops into a further cut away wall portion 12 to prevent rotational movement of the plate. Alternatively (Fig. 1) a flange 7 between the lugs 3 is bent down into a cut away portion 8 of the shoulder 6.
Patent GB-593395-A (GB)
Title: Improvements in or relating to driving and locking devices for dental burr-drills
IPC: A61C1/14
Filed: 1945-06-26
Abstract: 593,395. Sockets. SODECO, SOC. DES COMPTEURS DE GENEVE. June 26, 1945, Nos. 16242. 16243 and 16244. Convention dates, July 7, 1944, Dec. 16, 1944, and Dec. 16. 1944. [Class 83 (iii)] [Also in Group VI] A dental and locking device for a dental burr-drill of the type in which the shank of the burr is provided with a flat part corresponding to a flat part of a driving member and also with a circular or part circular groove in which at least one releasable locking element engages, comprises a head mounted in the body of the drill for endwise movement relatively to the body, a shoulder on the burr adapted to engage with the driving member, or a part associated therewith, to limit the longitudinal movement of the burr, and locking elements engaging in the groove under spring action, pressure on the head causing inward movement thereof, which causes the withdrawal of the locking elements from the groove. In Fig. 1, a flat part of the driving shaft 1 engages the flat part of the burr of which the groove is engaged by a spring jaw 5. The jaw is disengaged by the action of a shoulder 12 on a bearing 11, when this and the attached sleeve 8 are pressed inwardly against the action of a spring 10. Several spring jaws may be used, each being spaced at a different distance from the shoulder 4. Alternatively, the jaws may be formed by a split sleeve in, for example, six segments, the drive being effected by a flat key firmly attached to the driving shaft. In Fig. 5, a cylinder 37. longitudinally retained by pin 36, is formed with a flange 40 engaging the groove under the influence of a spring 38. Pressure on the bearing 42 is transmitted by a collar 47 to a conical part 41, whereby a cylinder 37 is centralised to allow release of the burr. Holes 48, 49, are provided in the cylinder wall to eliminate vibrations otherwise produced by the eccentricity. The upper surface of the flange 40 is preferably not perpendicular to the axis.
Patent GB-223627-A (GB)
Title: Improvements in or relating to straining or filtering apparatus
IPC: B01D25/00
Filed: 1923-06-22
Abstract: 223,627. Fulcher, F. C., and Beldam, W. R. June 22, 1923. Filtering.-A strainer for fluids, e.g. petrol and gaseous fluids, consists of a pair of members whose adjacent surfaces are in permanent contact and movable over one another, and between which the fluid is passed. Fig. 1 shows straining elements built up of discs 17 mounted on a shaft 12. The spaces at the edges between adjacent discs are partially closed by rings 28, and the fluid is strained as it passes between the edges of the discs and the surfaces of the rings. The rings may have lugs with apertures through which pass supporting rods 26. Matter collecting in the straining spaces is cleared away when the shaft 12 is rotated, the rings being stationary. To facilitate the clearance, either the discs or the rings may have cut-away portions into which the obstructing matter passes. The apparatus shown in Figs. 1 and 2 is arranged as described in Specification 215,098. Four straining elements, two on each of two parallel shafts, are arranged in a casing which is provided with an internal wall 4, by which liquid supplied through an inlet 2 is directed towards the lower part of the casing. The strained liquid is collected in longitudinal passages formed by apertures in the discs, and passes away through grooves 10 in the end closures 8, 9, and passages 11 in the casing to an outlet 3. The strainers, which can be removed through either end, are guided into position by rings 30 which engage rails 32. The rings 28 instead of being coaxial with the discs may be slightly eccentric. A form is described in which the rings are cast integral with U-shaped longitudinal members which engage the rods 26. As shown in Fig. 8, a plane wall 37 has circular slots 38, 39 into which project rings 40, 41, carried by a disc 42 which can be rotated by a handle 44 and a spindle 43. The fluid passing from the inlet 2 to the outlet 3 is strained between the rings and the edges of the slots. The apparatus shown in Fig. 9 has a plane wall 49 and a rotatable disc 51 with apertures 50, 55 respectively which are not coincident. The fluid is strained between the surfaces of the disc and the wall. Fig. 10 shows other apparatus having a rotatable slotted cylinder 56 and an inner cylindrical member 58 with outwardly projecting rings 63, so spaced that there is a ring above and below each slot. The fluid entering through the slots is strained between the edges of the rings and the inner wall of the cylinder 56 and passes away through the outlet 3. This form may be modified by arranging the rings outside the slotted cylinder, the fluid being then passed outwards. A further form, Fig. 11, has an inner and outer series of rings 66 and 70 respectively and the fluid is strained between the outer edges of the inner rings and the inner edges of the outer rings. The inner series 66 is mounted on a rotatable shaft 64. Specification 145,339, [Class 46, Filtering &c.], also is referred to.
Patent GB-1127878-A (GB)
Title: Process for the liquefaction of a gas
Inventor: HENDAL WILLEM PIETER
IPC: F17C9/04
Filed: 1967-04-10
Abstract: 1,127,878. Gas liquefaction process. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 10 April, 1967, No. 16297/67. Heading F4P. In a compressed gas e.g. natural methane liquefaction process comprising cooling, liquefying and sub-cooling compressed feed in heat exchangers 12, 13, 14 traversed by a counterflowing heterogeneous cold carrier in a line 11, a portion of the feed is withdrawn from line 10 at a point 15 between exchangers 12, 13, throttle-expanded at 16 with partial liquefaction and the flash vapour is returned through exchangers 13, 12 to cool the same. The cold carrier comprises a liquid e.g. isopentane diluted with 12% normal pentane and having the characteristics described in Specification 1,082,789.
Patent GB-1495675-A (GB)
Title: Material handling vehicles
IPC: F15B11/16
Filed: 1975-04-21
Abstract: 1495675 Hydraulic control circuit EATON CORP 21 April 1975 [22 April 1974] 16301/75 Heading F1P [Also in Division B8]  In a fork lift truck having a mast 12 tiltable by a pair of hydraulic actuators 22 and a fork assembly 14 raisable along this mast by a hydraulic actuator 18, an overload protection system which senses the overturning moment applied by the mast and its load to the actuators 22 and upon such moment reaching a predetermined critical amount acts to reduce the output of a variable displacement pump 32, which supplies fluid to the actuators, so as to prevent further movement of the actuators in an overturning sense. The overload protection system comprises a tilt control valve 28 connected between the pump 32 and the tilt actuators 22, lift control valve 38 connected between the pump 32 and the lift actuator 18 and an overload detector 50. The detector 50 compares the highest pressure, selected by check valves 116, 118, in the rod ends of the tilt actuators 22 with the highest pressure, selected by check valves 124, 126, in the head ends of the actuators and when the former pressure exceeds the latter pressure by a predetermined amount, determined by a spring 88, the detector activates an actuator 52 controlling the pump 32 to reduce the output of the pump. The system further includes a pressure compensator 130 which senses the fluid demand of the actuators 18, 22 and controls the pump accordingly. The compensator comprises a spool valve 138 which senses the pressure drop, indicative of the fluid demand, across the tilt and lift control valves 28, 38 by comparing the output fluid pressure of the pump 32 with the pressure in an internal chamber 172, 192 of the respective valves 28, 38 and when the former pressure exceeds the latter by a predetermined amount connects the pump output to a motor 132 which is connected to the actuator 52 controlling the pump, to reduce the output of the pump. The system also includes override controls which allow the mast to be tilted after the pump has been shut down by the detector. The first over-ride control allows the mast to be tilted provided the fork assembly is at the bottom of the mast and comprises a spool valve 200 connected into the pressure measuring line 82 to the rod end of the tilt cylinders and acted up by the pressure in the lift cylinder 18 such that when the lift pressure is zero, i.e. the fork assembly is at the bottom of the mast, the spool valve ports the pressure measuring line to a tank and the detector is not activated. The second over-ride control allows the mast to be tilted in a direction to lessen the overturning moment and comprises a spool valve 230 connected into the pressure measuring line 82 to the rod end of the tilt cylinders 22 and controlled by a solenoid 242 actuated by a switch 240 on the tilt control valve 28, when said valve is moved to move the mast in a rearward direction, to port the pressure measuring line to a tank.
Patent GB-883820-A (GB)
Title: Improvements in and relating to bearings
Inventor: RAINBOW HORACE SINCLAIR
IPC: F16C17/03
Filed: 1959-05-13
Abstract: 883,820. Tilting pad bearings. BRISTOL SIDDELEY ENGINES Ltd. Feb. 29, 1960 [May 13, 1959], No. 16367/59. Class 12 (1). In a tilting-pad bearing the pads have at least one internal cavity 15 and have a convexly-curved outer surface for rocking-in-line contact with a respective chordwise flat 13 on an interior wall of the holder. The holder 11 and the pads are provided with intercommunicating ducts 17, 16 through which liquid lubricant from an external source can be supplied, through the cavities 15 of the pads, to respective axiallyextending outlets 18 in the operative surfaces of the pads. Each pad comprises two parts 12a, 12b, secured together so as to define the cavity 15, having branches 15a, Fig. 3, connected to the ducts 16. The cavity 15 diverges to a width which coincides with the length of the outlet 18 which is situated adjacent the leading end of the pad. The circumferential movement of each pad is limited by stops 14, held by the holder, which also supports thrust bearings 20 on bosses 19. The bearings A, B, Fig. 6, are mounted in a housing 21 having an axially-directed oil channel 35 which conveys oil from an inlet 35a to the bearing surfaces via ports 31 in the housing, annular grooves 32 in the holders 11, and the ducts 17, 16, &c. The seating 38, of the thrust bearings 20 are lubricated through ducts 39, 40 connected to the annular groove 32. Specification 883,819 is referred to.
Patent GB-1307404-A (GB)
Title: Manufacture of plastics articles
IPC: F16L9/127
Filed: 1970-04-08
Abstract: 1307404 Centrifugal moulding MANUFACTURES JEAN-BAPTISTE MARTIN JEAN MARTIN ANDRE CHARBIN & CIE 8 April 1970 [18 April 1969 5 Dec 1969] 16603/70 Heading B5A In a method of, and apparatus for the centrifugal moulding of a polymerizable hardening mixture of accelerated and catalysed resins, the two component resins are fed into a centrifugal mould 4 separately and are emitted from separate nozzles 26, 27 as jets which impinge a rotating disc 23 and are thereby mixed and sprayed on to the mould wall. The nozzles are mounted on an end part 14 of a hollow arm 9 extending from a carriage 10 which reciprocates the arm axially of the mould. The disc 23 has a shaft detachably received in a bush 17 rotated by a flexible shaft 18 driven by a motor 20. Each nozzle is fed by a pipe 31 and if four nozzles are used those on one side of a vertical plane containing the mould axis receive the accelerated resins and those on the other the catalysed resins, the arrangement being such that resins of different quality can be successively supplied. The shape of the inner wall of the mould may be other than cylindrical, e.g. frusto-conical, hexagonal or oval in cross-section. A glass fibre or felt sheet may be first located in the mould which is then impregnated by the resins. Variation of the quantity of resins supplied to the various areas of the mould surface may be effected by variation of the speed of movement of the nozzles and disc along the mould axis or by varying the resin supply to the nozzles; thus the thickness of the article produced can be varied along its length, e.g. to provide flanges.