baber/WOPTO huggingface dataset:
Patent GB-252555-A (GB)
Title: Improvements in, or relating to, means for reducing the speed of pit tubs and the like railway vehicles at any predetermined points in the track
IPC: B61K7/06
Filed: 1925-06-19
Abstract: 252,555. Sheppard, H. B. June 19, 1925. Arresting grips or frictional apparatus on permanent way.-Brakes for pit tubs and like railway vehicles comprise a friction member f disposed outside the track, rigidly supported at one end, and adapted to be moved into contact with the vehicle wheel by a lever n acting on the other end. An angle iron guard having a wearing strip is disposed on the other side of the rail to take the thrust of the braking pressure. The lever n is operated by a hand-lever or motive-power operating-means p, A spring bolt i connects the member f to its supporting means. The lever n bears on the member f by means of a roller. Two or more levers may be used in the case of a. long friction member to allow for whip.
Patent GB-646144-A (GB)
Title: Improvements in or relating to automatic weighing apparatus
IPC: G01G13/00
Filed: 1947-06-17
Abstract: 646,144. Weighing-apparatus. JOHANNESSEN, M. K. June 17, 1947, No. 15931. [Class 143] In an automatic feed weigher having concentrically arranged main and dribble feed gates 7, 8 held open by catch members 30, 31 which are successively tripped by electromagnets 26, 27 energised through movement of the weigh beam, each gate is keyed to its own shaft 12 or 13 which is co-axial with the other shaft and carries a radially extending arm 11 or 14 which co-operates with the associated catch member. Mercury switches 24, 25 which are successively tilted as the bag 4 fills, energize the magnets 26, 27 so attracting armatures 28, 29 and successively releasing arms 11, 14 together with gates 7 and 8 which throttle the shoot 6 to the size of the aperture 9 and finally completely cut off the supply. The arms 11, 14 carry switches 34, 35 which break the magnet circuits when the weigher is not operating but is supporting a filled bag. Resetting of the gates is effected by manually operating a handle 10, attached to the lever 11, so opening the gate 7 and the gate 8 which is operatively connected thereto by its lugs 15. cushion the next downward movement of arms 11, 14 and a spring and hydraulic damping device 38 is provided to absorb the shock of the beam end 50 on release of the bag. A catch member 43 is urged by a spring 44 to retain the device 38 free of the beam, as shown, but when the beam rises it contacts an arm 45 so releasing the plunger 42 and leaving the device free to cushion the next downward movement of the beam after which the member 43 again locks the plunger. Specification 615,317 is referred to.
Patent GB-670607-A (GB)
Title: Improvements in or relating to electron discharge devices employing secondary electron emission and electrodes for use therein
Inventor: BULL CABOT SEATON
IPC: H01J1/32
Filed: 1945-11-07
Abstract: 670,607. Electrode materials. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Oct. 26, 1946 [Nov. 7, 1945], No. 16103/50. Divided out of 670,561. Class 39 (i). A secondary electron emitting material comprises an oxide or oxides selected from the group magnesium oxide, aluminium oxide and beryllium oxide in which is dispersed a metal, e.g. gold, silver or copper, which is removed by electron bombardment when exposed thereto so that the selected oxide or oxides is continually exposed. The base of the electrode may comprise nickel, gold-plated molybdenum or platinum. Nickel is usually coated with magnesium to a thickness of 10<SP>-6</SP> inches. Magnesium oxide added to a colloidal suspension of gold in water is sprayed on to a thickness of at least 10<SP>-4</SP> inches, or magnesium oxide added to an oily suspension of gold is burnt on the base, the coating being afterwards formed at red heat in air. Specifications 601,966, 670,554 and 670,561 are referred to.
Patent GB-718896-A (GB)
Title: Alarm clocks with automatic calendar and methods for producing them
IPC: G04B19/253
Filed: 1950-06-28
Abstract: 718,896. Clocks. ELBERG, B. June 14, 1951 [June 28, 1950], No. 16107/50. Class 139 [Also in Group XIX] Date-indicating mechanism is incorporated in an alarm clock of conventional kind, the mechanism (see Group XIX) being carried on a plate 1, Fig. 6, mounted in the position normally occupied by the dial plate 2, the latter being spaced from the plate 1 by spacers 76, 77 and various spindles, e.g. 47. An extension 48 is fitted to the end of the usual minutes spindle 16 to carry the minutes hand 20. The alarmsetting hand 5 is carried on a central cannon 4 turned by a setting knob 91, Fig. 2, on a shaft 9 having a pinion 8 connected by gearing 10, 6 to the cannon 4. Shafts, e.g. 62, for adjusting the date mechanism pass freely through the alarm bell 57.
Patent GB-373425-A (GB)
Title: Improvements in or relating to coal cutting machines
IPC: E21C29/02
Filed: 1931-06-04
Abstract: 373,425. Coal-cutting machines. ELOY, F., 1, Rue de Pitteurs, LiÞge, Belgium. June 4, 1931, No. 16141. Convention date, June 19, 1930. [Class 68 (i).] In a coal-cutting machine of the cutter-bar type, the cutter and its driving motor are slidable on a frame to which is fixed a cylinder containing a piston oonnected to the tool-driving motor, whereby the tool and motor and the frame are successively advanced in stages along the working face. In Figs. 2 and 3, chairs 1 adapted to be locked by pneumatic jacks 2 are connected by a guiderail 15 and a brace 16 and carry supports 18 for a cylinder 5, the supports 18 being connected to the jacks 2 by arms 4. A motor 13, which drives a cutter bar 12 either directly or through change-speed gearing, is supported on the guide 15 by rollers 14 and is connected by a cable 9 to a bracket 7 on a rod carried by a piston within the cylinder 5. In use, the frame is locked and pressure applied to the piston to move the motor 13 &c. along the framework to make a cut ; the frame is then freed and the piston-rod locked and pressure is applied to the opposite side of the piston to move the frame. To compensate for reactions of the tool &c., a cable 20 centrally secured to the motor at 25, passes round pulleys 23 on the frame and its opposite ends are secured to a drum 26 which is supported by the motor and rotated by means 27, 28 to tension the cable. In a modification, Fig. 5, the motor 13 is suspended from a support 29 guided by horizontal and vertical rollers 14 in U-bars 16, 161 on the frame and upper and lower cables 9 are provided.
Patent GB-1106145-A (GB)
Title: Production of knitted articles having pouches on straight bar knitting machines
Inventor: BENTLEY WILLIAM
IPC: D04B1/24
Filed: 1964-04-18
Abstract: In a method of knitting a pouch on a straight bar machine the pressers are selectively operable so that part courses may be knitted.  In the pouch area the width of the part courses is decreased by increasing the number of inactive loop-holding needles, and then increased again by returning needles to activity.  Several full courses are then knitted.  This sequence of fashioning and full courses is repeated several times.  The shape of the pouch may be altered by varying the number of needles on which each series of part courses is commenced; and by varying the number of full courses in each group.
Patent GB-543630-A (GB)
Title: Improvements in or relating to suction cleaners
IPC: A47L9/32
Filed: 1940-11-06
Abstract: 543,630. Vacuum cleaners. HOOVER, Ltd. (Hoover Co.). Nov. 6, 1940, No. 16170. Addition to 543,470. [Class 8 (i)] The front wheels 5 of a propelled section cleaner are carried by crank arms 21a on a shaft carried in a bracket 22 on the casing; and are linked to the ends of the handle bail through links 27 and pivoted plates 26. The handle thus has limited endwise movement, and it also co-operates with a control sector 10 having grooves A, B C defining the storage position, working range, and lowered position. The dust bag is carried above and parallel with the handle. Specification 528,913 is referred to.
Patent GB-939656-A (GB)
Title: Distillation column element and assembly of such elements
IPC: B01D1/06
Filed: 1960-05-06
Abstract: 939,656. Contacting gases with liquids. H. STAGE, [trading as DESTILLATIONSTECHNIK DR. HERMANN STAGE]. May 6, 1960 [May 19, 1959], No. 16174/60. Class 55 (2). A distillation column comprises parallel flow ducts 2, 3, 4 disposed within the column 1 so that there is no free space between adjacent ducts and in honeycomb-like juxtaposition over the column cross-section, the ratio of the cross-sectional area of each duct to its cross-sectional perimeter being substantially constant thereover, and the boundary wall-or walls of each flow duct being perforated (Fig. 1). The cross-sectional area of each duct 2, 3, 4 may have substantially one value over the column's cross-section, and the crosssection may be polygonal, triangular, rhomboid or square, or hexagonal. The individual ducts may be secured to one another to form the structure and the outer casing 1 of the column may have a polygonal cross-section corresponding to that of each duct. The ducts may be connected by good heat-conducting metal straps or like fastening means to the coolable cover of the column. The boundary wall or walls of the flow duct may consist wholly or in part of wire netting with a mesh size small enough relative to the surface tension of the liquid in the column so that the meshes of the wire netting become closed by capillary action on being wetted by the return flow of the liquid in the column. In an embodiment (Figs. 2 and 5) of an assembly of the columns they are joined end to end and there is at least one curved pipe or an annular passage 12 for passage of liquid from one column to a neighbouring lower one. Between such columns 5<SP>1</SP>, 5 there is an intermediate column plate 8 or tubular mesh system for the passage of liquid downward therebetween, the surfaces of the flow ducts 2 being wetted. Bubble caps 11 are above the plate 8. There are V-shaped channels 6 at the upper ends of the ducts 2 or between the ends thereof, into which the liquid can pass, having a system of slots 7 through which the liquid can pass to wet the duct walls. One or more adjustable weirs 16 is/are provided inside the channels 6 and cover(s) a part of the slots 7. The plate 8 has drip-bars 9 for liquid supply, for uniform wetting of the walls. The ducts may have serrated upper ends and may comprise tubes fitted into an intermediate plate projecting at their upper ends beyond the plate to form weirs. Below the plate the tubes comprise a system of slots extending around the tube. Roof-like structures 24 may be provided above the ducts having edges 22 extending above V-shaped channels at the duct upper ends, liquid being sprayed through a nozzle 23.
Patent GB-673570-A (GB)
Title: Apparatus for straining liquids
Inventor: LAMB J
IPC: B01D29/03
Filed: 1950-06-28
Abstract: 673,570. Filters; gravity separation apparatus. SHELL REFINING & MARKETING CO., Ltd. June 28, 1950, No. 16208/50. Class 46 A strainer assembly comprising a strainer proper of such form or arrangement or both that liquid flows through it without change of direction and a receptacle attached to the lower part of the strainer and open for collecting solid matter on the upstream side of the strainer may be inserted in or removed from a casing. through which liquid flows continuously, through an aperture at the top of the casing which is closed by a removable cover. A "mud box," 1, Fig. 1, is flanged at each end for insertion in a loading or discharge pipe for the cargo of an oil tanker and is formed at the bottom with a drainage chamber 2. A strainer 8 consisting of bars 14, Fig. 2, threaded, with spacing washers, on rods 15 secured to uprights 16 is slid into grooves formed in the sides of the box 1 and rests on shoulders 23 formed at either side of the chamber 2. A receptacle 9 is secured to the bottom of the strainer 8 by stays 11 on the upstream side and by brackets 10 on the downstream side. The downstream portion of the receptacle 9 is covered by a plate 12 preferably provided with slots parallel to the bars 14 and of the same width as the distance between adjacent bars. The top of the strainer is located by a groove in a lid 5, Fig. 1, which is removable to permit access to the strainer assembly. Telescopic handles 13 are provided on either side of the strainer for lifting out the assembly together with any solid matter which has accumulated in the receptacle 9. The handles 13 serve also to jar the assembly to loosen any adhering matter if the assembly does not move freely.
Patent GB-1212770-A (GB)
Title: Method of manufacturing motor-driven gear assemblies
Inventor: ERIKSON JARL
IPC: F16H57/033
Filed: 1968-04-04
Abstract: 1,212,770. Motor driving arrangements. ALLMANNA , SVENSKA ELEKTRISKA A.B. 4 April, 1968 [5 April, 1967], No.16231/68. Heading H2A. In a method of manufacturing a range of motor driven gear assemblies including single and multi-stage reduction gears, each assembly is produced by connecting a motor to a reduction gear unit by one of a plurality of similar connecting plates, each unit comprising at least one component selected from (a) a plurality of similar single-stage reduction gear-boxes (b) a plurality of similar two-stage reduction gearboxes and (c) a plurality of similar intermediate members each comprising a transmission shaft and gearing components. Fig. 3 shows a threestage reduction gear assembly in which the motor 19 is connected to a two-stage gear-box 6 by the plate 5 and an intermediate member 8 containing a single stage reduction gear 12. To produce a two-stage assembly, the intermediate member 8 is omitted and in the case of a single stage assembly, the two-stage gearbox is replaced by a single-stage box.
Patent GB-145412-A (GB)
Title: Improved parallel bench vice
IPC: B25B1/12
Filed: 1920-06-16
Abstract: 145,412. Aktiebolaget Gyro. June 18, 1919, [Convention date]. Vices.-The movable jaw 2 of a quick-adjustment vice is slidably mounted within the fixed jaw 1 and carries a rotatably-mounted bar 5, adapted to be connected to a screw 16 engaging a fixed nut 17, by wedges 10 which are supported by springs 11 riveted to the wedges and resting with their ends on the bottoms of slots 9 in the bar 5, and engage conical recesses 12 and 13 in looselymounted sleeves 7, 8 respectively. The screw 16 is provided with a collar 18 and has a screwed extension 15 engaging a threaded hole in a plug 14 fitted in the end of the sleeve 7 and forming a stop for the sleeve 8. A clockwise rotation of the bar 5 rotates the sleeves 7 and 8, the former moving to the left along the screw 15, whereby the sleeves, wedges, and screw are locked together. A further rotation of the bar 5 rotates the screw 16 in the nut 17, and the movable jaw 2 is given a final tightening movement. A reverse rotation of the bar 5 will move the screw 16 to the right until the collar 18 engages the nut 17, when a further rotation separates the sleeves disengages the lock and allows a longitudinal withdrawal of the bar 5. The screw 16 may be formed with screw threads of different pitch, the extension 15 having the smaller pitch.
Patent GB-476583-A (GB)
Title: Improvements in or relating to garden tools for making holes
IPC: A01C5/02
Filed: 1936-06-11
Abstract: 476,583. Hand tools for planting &c. READ, W. G., and STROWBRIDGE, H. June 11, 1936, No. 16282. [Class 6 (ii)] A tool for making holes in soil comprises a metal tubular member a having one or more longitudinal slits or openings a<1> in it so as to provide one or more longitudinal cutting edges a<2> which is or are offset or out of circular alignment. The upper end of the member a may be provided with a shoulder or stop-ring b to govern the depth of the hole cut, and with a handle c carried by a bifurcated member d fastened to the stopring. The cutting edges a<2> are sharpened and may be curved and overlapped as shown.
Patent GB-1269435-A (GB)
Title: Thermal insulation suspension and vapor sealing system
IPC: E04D3/16
Filed: 1970-04-07
Abstract: 1,269,435. Thermal insulation. JOHNS MANVILLE CORP. 7 April, 1970 [18 April, 1969], No. 16298/70. Heading F2X. In a thermal insulation panel suspension system, the insulation and the associated vapour barrier film are gripped along the panel edge so as to form a vapour barrier seal. The resinbonded glass fibre panel, 19, with the plastics sheet vapour barrier, 20, adhering thereto, is mounted between the flanges 13, 14 of the channel 10. The panel edge is compressed by the sloped section 15 and the projection 18.
Patent GB-569229-A (GB)
Title: Novel or improved safety razor
IPC: B26B21/26
Filed: 1943-10-06
Abstract: 569,229. Safety razors. HAY, N. L. S., LEEK, J., and SHORTHOUSE, A. C. Oct. 6, 1943, No. 16350. [Class 30] A safety razor employing a continuous strip blade wound on two spools, is provided with a pivoted guard and a pivoted clamp simultaneously moved towards each other to grip a portion of the blade between them. The spools 47 are mounted in boxes 49 removably secured to the razor head 19 by spring clips 53. Axial recesses in the spools engage over spigots projecting from the head and the spools are provided with slots 48 to receive a coin or other device for turning them. The box containing the unused strip may be packed with grease to prevent entry of water. The exposed length of the blade lies between an upper clamp 25 pivoted to lugs 17 on the head, and a guard 35 also pivoted to the head and connected by a spring blade 39 to a plunger 43. The clamp 25 is connected by a link 9 to a screwed rod 7 operable by a nut 3. As the clamp is moved downwardly, a lug 23 thereon depresses theplunger 43 to raise the guard 35 so that the blade is resiliently gripped between the clamp and guard. The-clamp has downwardly extending shrouds 29. The blade may be of steel hardened by an induction process and, after honing, may be coated with chromium by a diffusion or electroplating process.
Patent GB-715623-A (GB)
Title: Improvements in and relating to electric incinerators
Inventor: LENG THOMAS RICHARD
IPC: F23G5/10
Filed: 1951-07-10
Abstract: 715,623. Electric incinerators. GENERAL ELECTRIC CO., Ltd., LENG, T. R., and MORRIS, F. H. July 10, 1952 [July 10, 1951], No. 16367/51. Class 39 (3) An incinerator comprises a combustion chamber 10 having a grate, to receive articles to be burnt, which comprises a rigid grid 30 of heavy gauge bare metal rod, e.g. between 0.06 inches and 0.025 inches diameter, which forms an electric heating element. The chamber comprises four asbestos walls in a metal casing 11 supported on a casing 38 housing a transformer, 31 supplying the element 30, and an electric switch and clockwork time-control mechanism 72. A cover 17 on the casing 11 is operated by a pedal 50 through a linkage 54, 55, 24, a similar linkage 66, 68, 69, 70 operated by a pedal, winding up the clockwork mechanism and closing an electric switch. A flap 20 rotated with the cover 17 prevents escape of fumes during insertion of the articles. A door 41 permits replacement of the element 30, and additional heating elements 44 may be provided. Air admitted at the bottom of the incinerator is warmed by the transformer 31 and assists the draught over the grate 30. The transformer 31 is suitably tapped, e.g. to supply 100 to 200 amps. at 4.5 volts, and an indicating lamp 35 is provided.
Patent GB-827502-A (GB)
Title: Method of growing synthetic quartz
IPC: C30B7/00
Filed: 1956-05-28
Abstract: Single crystals of quartz are grown on at least two seed crystals which are elongated in the direction of their Y crystal axes maintained in end-to-end abutment with their Y-axes in alignment and their respective major longitudinal faces in common planes.  A pair of Y-bar seed crystals 10 and 12 (Fig. 1) of the same "handedness" are placed with their ends abutting at 22, and are held in place by quartz crystal plates 24 and 26 secured by silver wire 28.  The seed bars are placed in a growing solution in an autoclave and grown in a known manner until the two seeds form an integral piece of quartz, as shown in Fig. 2.  This is <PICT:0827502/III/1> <PICT:0827502/III/2> <PICT:0827502/III/3> <PICT:0827502/III/4> trimmed to form an extra-length seed crystal, as shown in Fig. 3, which is grown in a known manner to form a crystal as shown in Fig. 4.  The final crystal may be cut into several extra-length seeds on which extra-length crystals may be grown.  Specifications 761,643, 807,304 and 827,501 are referred to.
Patent GB-1532336-A (GB)
Title: Hydrocarbon gas processing
IPC: F25J3/02
Filed: 1977-04-20
Abstract: 1532336 Separating gases ORTLOFF CORP 20 April 1977 [21 June 1976 9 Aug 1976 4 Oct 1976] 16420/77 Heading F4P In a process for separating a gas mixture comprising methane and ethane into a volatile gas and a less volatile fraction in which the compressed gas is at least partially liquefied by cooling at 10-15 to give a liquid portion 24 which is then expanded at 42 and fed to a fractionation column 19, the liquid portion 24 is further cooled in exchanger 41 before expansion. The effect is to produce a colder zone and a different temperature distribution in column 19 with the result that less ethane is entrained in the mainly methane overhead gas 46. Liquid portion 24 is obtained from a separator 16 whose gas overhead is work expanded at 17 and fed, with the expanded liquid 43, to a separator 50, the liquid from which is partly fed to column 19 and partly used to cool the exchanger 41 then fed to column 19. The feed gas may be completely liquefied by coolers 10-15, Fig. 4 (not shown) or separator 50 may be omitted, Fig. 5 (not shown). The further cooling prior to expansion may be effected by a portion of the liquid after expansion, Figs. 10 and 11 (not shown), a fraction from column 19, Fig. 7 (not shown) or the gas overhead from column 19, Figs. 8, 12 (not shown). The liquid portion from separator 16 may be divided into two streams which are then expanded separately, Figs. 10, 11 (not shown).