baber/WOPTO huggingface dataset:
Patent GB-116540-A (GB)
Title: Improvements in or relating to Sewing Machines.
Inventor: FAIRWEATHER WALLACE
IPC: D05B3/06
Filed: 1917-06-14
Abstract: 116,540. Fairweather, W., (Singer Manufacturing Co.). June 14, 1917. Button-hole sewing-machine; feed by clamps.- Relates to sewing-machines of the type having an intermitting rotated pattern-cam wheel by which feeding movements are imparted to the workclamp, and other parts of the machine are controlled, and is described as applied with the object of obtaining precision in the stitching, particularly in the barring operation, to button-hole-stitching machines employing rotary stitch-forming mechanism and a laterally jogging needle as described in Specification 15048/15, Specification 116,539 being referred to in the Provisional Speci. fication. The actuating-mechanism of the camwheel 26 consists of a disk 15 continuously rotated from the main-shaft and having two eccentric pins 16 adapted to engage teeth 22 on a disk 21 which is secured to a shaft 19 carrying a pinion 24 gearing with the cam-wheel. The axis of rotation of the disk 15 is situated within the periphery of the disk 21, and the teeth are so formed as to have, at their outer ends. portions a, Fig. 5. concentric with the axis of the disk 15. and at their inner ends inclinedp arts b. While the pins 16 are riding over the concentric portions a, the disk 21 is held stationary. The forward movements are imparted to the disk 21 and cam-wheel when one of the pins is traversing the inclined surfaces b, the other pin being at this time clear of the teeth, the ends of which are cut away as shown at d for this purpose. In the production of the barring stitches, after the needle rises after the final depth stitch at the end of the second side stitching operation, it performs its usual lateral movement while the work-clamp is given an equal lateral movement in the opposite direction and a final full lengthwise feed to lay the initial barring stitch t, Fig. 6. The stitching mechanism performs a step-by-step semi-rotation in a direction opposite to that performed in going round the eye of the button-hole, and the work-holder performs a reverse step-by-step lateral movement so as to place the intermediate barring stitches t<1> with the needle-thrusts in the slit at progressively different points and the thrusts in the material in a line crosswise of the slit and, preferably, slightly curved so that, when the stitches are set, this line will become substantially straight owing to the yield of the material. This curving of che line of the barring stitches may be obtained by giving a slight progressive to-and-fro step-by-step longitudinal feed to the work-clamp during this part of the operation.
Patent GB-416102-A (GB)
Title: Improvements in and relating to methods of and means for coating bodies with fibrous material
IPC: F01L7/08
Filed: 1933-03-21
Abstract: 416,102. Covering cores for wrapping. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Obermaier, C. F. ; 15, North Harlen Street, York, Pennsylvania, U.S.A.) March 21, 1933, No. 8538. Convention date, March 23, 1932. [Class 109.] An electric conductor, insulating tape, sheet or other body is coated with fibrous material by applying the fibres to the body and then subjecting them to a fluid condensing medium such as steam, water vapour or finely atomized water so to as distribute them over the surface of the body in a felt-like mass. As described in connection with the insulation of electric conductors, raw asbestos fibres from a supply spool 16 are passed over a carding device 13, and are stripped from doffer rings 17 by vibrating combs 18 so as to fall upon endless conveyers 20 for application to the conductors 10<a>, 10<b>. Adhesive may be applied to the conductors before they reach the conveyers 20 by passing them through receptacles 32 containing shellac, synthetic resin varnish or other adhesive solution. After passing through compressing dies 34 the conductors are passed beneath valve controlled fluid conducts 35 or other means for subjecting them to the water vapour, steam or water, and are brushed or polished by means of rotary brushes 36 comprising polishing blocks 37 pressed by springs 40 against the conductors. A heating or baking chamber 43 and a bath 44 of insulating varnish may be provided. In applying the fibrous material to tapes, sheets and the like, the sheet or tape 80, Fig. 7, is passed between adhesive-applying rolls 82 to endless conveyers 84 on to which carded fibrous material is fed, and after subjection to devices 87 for applying water vapour or like, is compressed by rolls 88 which may be heated. Specification 409,802, [Group XXXVI], is referred to.
Patent GB-669882-A (GB)
Title: Improvements in apparatus for freezing and mixing cream and other viscous masses
IPC: A23G9/12
Filed: 1950-04-05
Abstract: 669.882. Mixing appliances. DIESSEL. W. April 5, 1950. No. 8579/50. Class 86 [Also in Group XIII] A stirrer b rotating about its own axis and also about the central vertical axis of the mixing chamber a is mounted eccentrically on a plate d rotating within the bottom p of the chamber and carrying also a scraper c. The plate d is fixed to a bowlshaped member u provided with a tubular shaft e driven through gearing f, 5, 3 below the bottom of the chamber from a motor j which also drives through gearing 4, 6, g, shaft h and planet gearing i, the shaft q of the mixer b. Sealing rings l, r around the plate d, and shaft q prevent leakage.
Patent GB-815674-A (GB)
Title: Photoconductive cadmium sulphide powder
IPC: H01L31/08
Filed: 1957-03-15
Abstract: <PICT:0815674/III/1> A photo-conductive material is produced by firing a mixture of CdS and CuS in an atmosphere containing hydrogen chloride but otherwise inert.  In one example, 250 parts of powdered CuS are mixed with a million parts of powdered CdS, heated to 950 DEG C. for 15 minutes in a quartz boat 10 while nitrogen, after being bubbled through HCl in container 16, is passed through the combustion tube 11.  The material is then crumbled and mixed with a liquid plastic material such as an epoxy resin or ethyl cellulose containing toluene, so that it may be applied wet to an insulating base in contact with two spaced electrodes, and dried.  The material is sensitive to ultra-violet, visible light, infra-red and gamma rays.
Patent GB-1109211-A (GB)
Title: High power transistor assembly
IPC: H01L23/045
Filed: 1966-02-28
Abstract: 1,109,211. Semi-conductor devices. INTERNATIONAL STANDARD ELECTRIC CORPORATION. 28, Feb., 1966 [8 March, 1965], No. 8600/66. Heading H1K. A transistor is provided with a plurality of emitter contacts each of which is connected via resistive means to an emitter terminal. The resistors equalize the current density throughout the emitter region and are spaced from the body of the transistor. As shown, Fig. 2, two silicon transistors 16a, 16b are connected in parallel in a package comprising a header 11, provided with insulated lead-in wires 29, 34 and a cap (12), Fig. 1 (not shown). Each transistor is thermally connected to but electrically insulated from header 11 by a pair of molybdenum shims separated by a layer (21) of beryllium oxide, Fig. 3 (not shown). The shim 33 adjacent to the transistor die forms the collector contact and is connected to lead-in wire 34 by a U-shaped member 31. The base and emitter regions (42, 43) of the transistors are interdigitated and the emitter region is divided into a plurality of areas each having an electrode (46a, 46b), Figs. 4 and 5 (not shown), which is connected to header 11 via a series resistor. These resistors are provided by silicon wafers 24 supported on conductive pedestals 22 located on either side of each wafer. A molybdenum shim is inserted between each wafer 24 and its pedestal 22 and the individual emitter electrodes are connected to resistors 24 by short wires 26. The base electrodes of the transistors are connected by fine wires to the arms of a C-shaped member 27 connected to lead-in wire 29. The pedestals 22 which support wafers 24 may comprise the arms (72) of a U-shaped channel member (71), Fig. 6 (not shown).
Patent GB-248582-A (GB)
Title: Improvements in or relating to guards for railway points
IPC: E01B7/20
Filed: 1925-03-31
Abstract: 248,582. Fleming, A. J. March 31, 1925. Renewable wearing-parts for points; points with fixed tongues ; guard rails, arrangement of. - Vehicle wheels are deflected at the points by a deflector mounted to abut against the side of the rail head of the track rail or guard rail in advance of the points. The deflector 11, Fig. 2, is reversible and seats on a block 13 having a projection 20 engaging a recess in the deflector. A four-sided deflector 22, Fig. 6, may be used and provided with a central extension 23 engaging a block 24, the bolt holes being disposed in pairs at right-angles.
Patent GB-759643-A (GB)
Title: Improvements in or relating to machines for forming and wrapping shaped blocks of margarine, butter or like plastic substances
Inventor: PARKER MATTHEW
IPC: A01J21/02
Filed: 1954-03-24
Abstract: 759,643. Moulding butter &c. FORGROVE MACHINERY CO., Ltd. March 10, 1955 . [March 24, 1954], No. 8614/54. Class 87(2) A machine for feeding butter, &c. from a producing machine through pipes 11, 13 and an extrusion chamber 10 to either a single, stationary die as described in Specification 565,143 or dies mounted on a rotary conveyer, from which die or dies the butter is fed by a piston to a wrapping device has a tubular compensating piston 15 which is moved forwardly during filling of a die by a rack 23 and toothed segment 22 and is moved rearwardly by the pressure of the butter, when the outlet of the extrusion chamber is closed, to increase the volume of the pipes and uncover an escape slot 26. The forward ends of the piston and the tube 11 (on which it slides) are bevelled at 16 and 17 respectively to assist in the smooth flow of butter. A shoulder 29 stops the rearward movement of the piston. When a die arrives at the filling position a cam 48, Fig. 4, causes-an adjustable screw 50 to press a lever 38 against a plunger 37 which causes the driving plates 31 to engage the driven plates 35 of a slipping clutch, thus driving a pinion 24 which drives the piston forwardly. The clutch pressure applied is controlled by adjustable springs 42 working against a solenoid 44, and it is arranged that maximum clutch pressure is reached towards the end of the die filling period. When the solenoid is de-energized, the springs 42 cannot exert any pressure on the clutch. A spring 49 holds the cam follower 47 in contact with the cam or in a modification the spring may act against the lever 38 to give instantaneous release of the clutch, when the solenoid is de-energized. In another modification, the solenoid may be dispensed with, the springs 42 acting directly to the lever 38. To give better control of the movement of the piston 15, the clutch may be driven by a cam-oscillated gear segment or uni-directional variable speed drive. Control switches may be operated by the piston to adjust the relative speeds of the producing and forming machines. A stop switch is actuated, when the piston 15 reaches its forward limit, to stop the wrapping machine, to prevent short weights from being delivered due to the fact that piston cannot make a sufficient forward stroke. Specifications 590,935 and 737,052 [Group XXX] also are referred to.
Patent GB-287508-A (GB)
Title: Improvements in or relating to umbrellas, particularly to apparatus for the insertion of springs in umbrella sticks
IPC: A45B25/04
Filed: 1928-03-22
Abstract: 287,508. Emde & Meissner Metallwarenfabrik. March 22, 1927, [Convention date]. Sticks.-An apparatus for insertion of umbrella springs 8, Fig. 3, into umbrella sticks 15 consists of a plunger 21, Fig. 1, movable by a hand lever 17 and cam 19 so as to press the spring 8 lying in a slide 4 into a slit 14 of the umbrella stick 15. Further movement of the hand lever lifts the slide 4 until the umbrella stick is firmly pressed against a stop member 26 whereupon a pin 10 resting in a groove 12 of the slide 4 is pressed into a corresponding hole 34 in the umbrella stick, actuated by a foot lever 32, bell brank 33, and plunger 13. The umbrella springs are inserted in a groove 3 in the frame of the machine and are pushed forwards by a spring member 6 on to a protruding part 22 on the plunger 21. Members 37 are arranged on the plunger 13 or on the grooves 12 which cover the pin 10 to prevent deviation when it is pushed downwards. The pins are arranged in a slide above the groove 12.
Patent GB-254390-A (GB)
Title: An improved former for electric inductance coils
IPC: H01F27/00
Filed: 1925-04-02
Abstract: 254,390. Clitheroe, A. J. April 2, 1925. Inductances. - An inductance coil is wound on two separate spoked elements arranged side by side on a removable former and detachable plug-in mounting, the winding itself maintaining the spoked elements in correct spaced relation. As shown, the spoked elements 1<b> are clamped temporarily between flanges 4<a>, 4<c> with a spacing-sleeve 4<b> between them. After winding, the sleeve 4b, which may be of pliable material or made in sections, is removed and the plug-in mounting 2<a> is detachably and adjustably secured to pairs of lengthened spokes.
Patent GB-1535138-A (GB)
Title: Method and apparatus for compressing sleeves onto structural rods
IPC: E04C5/16
Filed: 1977-03-02
Abstract: 1535138 Extruding; forging ZEITGEIST AG 2 March 1977 [7 April 1976] 08841/77 Headings B3P and B3H Apparatus for fastening a sleeve 3 to the ends of adjacent axially aligned reinforcing rod ends 1, 2 comprises fluid pressure operated jack units each having a cylinder 9, a piston and a piston rod 6 and latching means for releasably securing the cylinders together around one of the reinforcing in a zone not occupied by the sleeve. At least two die segments 4, which form a bore at least a part of which is dimensionally smaller than the external dimension of the sleeve, are loosely mounted on the free ends of the piston rods 6 so as to be capable of limited rotational movement in a longitudinal direction. The jack cylinders 9 are mounted on plates 10 to which are secured pusher means 12 which engage an end of the sleeve 3 and drive it together with the rods 1, 2 through the die. As ribs 31 on the rods pass through the die they cause the limited rotational movement of the die segments 4 relatively to each other so that the external diameter of the sleeve increases from D 1  to D 2  at each rib, Fig. 9. Preferably external longitudinal ribs are formed on the sleeve exterior by the provision of recesses 30 in the die segments and by spacer bars 20, which keep the segments separated. The bars 20 are fitted with spring loaded ball clips 21 engaging in recesses in the die segments, the relative rotation of which is limited by the provision of elongated ring members 23.
Patent GB-796749-A (GB)
Title: Improvements relating to lifting cradles for elongated objects such as baulks of timber
IPC: B66C1/16
Filed: 1956-03-21
Abstract: 796,749. Slings for hoisting loads. BRITISH TRANSPORT COMMISSION, and PEARCE, C. R. Feb. 15, 1957 [March 21, 1956], No. 8852/56. Class 78 (4). A stack of timber or the like is drawn together as it is lifted by a sling comprising a lower bearer a formed with links d for connection to snatch blocks e and an upper bearer f formed with bolts g for anchoring the supporting wire cables n which, after passing under the snatch pulley e, are guided by means k on the upper bearer f spaced from the bolt h. The guides k may comprise curved plates as illustrated, or a suitably shaped cup surrounding an eye through which the wire rope passes. Where no spreader is used with the sling, as shown in full lines in Fig. 2, the guides may comprise pulleys p. The guides are carried on arms (Fig. 1) extending ar right angles to the bearer f. The corresponding bearers of two such slings applied to a single stack may be joined. The suspension links d can preferably be folded down to extend horizontally outwards.
Patent GB-159768-A (GB)
Title: Improvements in vehicle tyres
IPC: B60C7/12
Filed: 1920-03-26
Abstract: 159,768. Simms, E. R. March 26, 1920. Non - metallic elastic bodies and covers; tread bands, projections, and surfaces. - A tyre comprises side walls 6 connected by a web 3 provided with a bead 5 ' which is engaged by the ends of inclined bracing- members 10 of a tread member 9. Recesses 11 in the member 9 are engaged by beads 8 on the walls 6, and the edges of the tread 9 are extended to lie against the walls 6.
Patent GB-216982-A (GB)
Title: A process for the production of phosphoric derivatives of inositol
IPC: C07F9/117
Filed: 1923-03-28
Abstract: Methoxy-inosityl-pentaphosphate is obtained by heating methoxy-inositol with phosphoric acid under reduced pressure.  The calcium, magnesium and double calcium-magnesium salts possess physiological action.  According to the Provisional Specification, methoxy-inositol may be hydrolyzed with hydrochloric or hydriodic acid to form inositol and this then converted into its hexaphosphate, from which the calcium-magnesium salt, known as phytin, may be obtained.  Methoxy-inositol, known as quebrachitol or bornesitol, is obtained by coagulating rubber and evaporating the serum in vacuo.
Patent GB-1026120-A (GB)
Title: Carton printing press
Inventor: CRABTREE KENNETH LESTER
IPC: B41F17/26
Filed: 1963-03-02
Abstract: 1,026,120. Printing apparatus. KEYES FIBRE CO. March 3, 1964, No. 8887/64. Heading B6C. In a printing press for printing on the top and the two inclined surfaces of a continuously moving moulded pulp material egg carton, each carton is passed through the printing zone on a work support 56, Fig. 3, carried by a platen link 54. The platen links 54, which have depending gear teeth 66, Fig. 6, are connected by pins 58 to form an endless conveyer, the drive to which derives from a motor 142, Fig. 2, variable drive pulley 145, belt 144, reducer unit 140, clutch 159, shaft 138, Fig. 21, a gearwheel 136 and a gear-wheel 132 which engages the teeth 66 at a position downstream of the printing zone-see Fig. 2. The motor 142 is moved longitudinally through actuation of a hand wheel 165 to change the speed of operation of the entire press by varying the position of the belt 144 in the pulley 145. The press shown is designed to print the egg cartons in a single colour the cartons being fed to an intake unit 30, Fig. 1, by an infeed conveyer 32. The unit 30 is bolted to a base 34 and is removably attached to a print unit 36, the latter comprising an upper print head 38 and two side print heads 40, 41, Fig. 2. The motor 142 and associated drive is incorporated in a unit 42 also bolted to The base 34 as is a discharge end unit 48. The printing zone may include a number of print heads 38 and pairs of side print heads 40, 41 so that multi-colour printing may be effected on the press. To that end the print heads are separable from each other and the base 34 may be extended the desired length to include any necessary additional heads.
Patent GB-541338-A (GB)
Title: Improvements in or relating to variable speed transmission gearing
IPC: F16H9/16
Filed: 1940-05-20
Abstract: 541,338. Variable-speed gearing. ASTLEY, E. T. May 20, 1940, No. 8914. [Class 80 (ii)] [Also in Group XXXIV] A shaft 1 drives a shaft 2 through two or more belts 3 engaging expanding pulleys. To change speed, both flanges of each pulley are moved to an equal extent in opposite directions thus maintaining a constant alignment of the belts in space. Bosses on the pulley flanges 17, 18 are grooved to receive pins 15, 16 on sleeves 13, 14 collars on which have a pin-andslot connection with an actuating lever 6 pivoted at 7. The sleeves have pairs of bars 19, 20 slidable along flats on the squared shafts 1, 2 and carrying further radial pins engaging grooves in bosses on the pulley flanges 23, 24. The bars 19, 20 are also connected through pivots 25, 26 and levers 27, 28, pivoted at 29, 30, to pulley flanges 33, 34 which are connected by links 35, 36 to the flanges 37, 38 of the other pair of pulleys. In order to facilitate replacement of the belts, the bearing caps 39, 40 can be removed and the shafts tilted about trunnions 41, 42.
Patent GB-199808-A (GB)
Title: Improvements in or applicable to timber props or struts used in mining, excavating, and for like purposes
IPC: E21D15/24
Filed: 1922-03-29
Abstract: 199,808. Baldry, H. O. March 29, 1922. Mine props.-An extending mine prop is formed of a main member A recessed at one end to receive a nut B and a coacting screw C, which, at its outer end, is provided with an universallymounted bearing-plate F. The nut is provided with taper fins which engage the sides of the recess in the prop and prevent rotation of the nut. Reference has been directed by the Comptroller to Specification 1251/01, [Class 68, Hydraulic engineering].
Patent GB-787792-A (GB)
Title: Improvements in or relating to a method and apparatus for manufacturing cast-coated paper
IPC: D21G9/00
Filed: 1956-03-22
Abstract: 787,792. Cast-coated paper. WARREN CO., S. D. March 22, 1956 [May 18, 1955], No. 9009/56. Drawings to Specification. Class 96. In drying a continuously moving paper web coated with a mineral composition to produce cast-coated paper, the web is maintained in non- slipping contact with the finishing surface until the web separates from the finishing surface along a line at right angles to the direction of movement of the surface, e.g. along a line parallel to the axis of a finishing drum, whereby V-shaped distortion ridges or " release wrinkles " are avoided. A take-off roller having a yielding surface may be employed to press the web into contact with the finishing surface adjacent the line of separation. Specifications 331,578, [Class 96], and 747,107 are referred to.
Patent GB-103941-A (GB)
Title: Rotary Blotting Pad.
Inventor: BARRIE ALEXANDER MORRISON
IPC: B43L17/08
Filed: 1916-06-27
Abstract: 103,941. Barrie, A. M. June 27, 1916. Blotting-appliances.-A blotting-roller is formed by wrapping a piece of blotting-paper round a roller A which rotates on an axle B, Fig. 1; pins C serve to maintain the roller on the axle and provide a finger-hold for manipulating the blotter. In the arrangement shown in Fig. 2, two blotting-rollers disposed side by side are connected together by bars E, the axles being made in two parts F, G, one part of each axle being attached to each of the bars E. A piece of elas. tic H connects the bars E. A strip of blotting- paper having a piece of gummed linen or paper attached to one end is used for covering the rollers, the paper being wrapped tightly round the roller, and the ends then secured together; or the ends may be secured together first, and the paper then slipped on to the roller.
Patent GB-1336281-A (GB)
Title: Hydrocarbon binding complex process for its preparation and  applications thereof
IPC: B01J47/00
Filed: 1972-02-28
Abstract: 1336281 Activated clays; purifying water CREUSOT LOIRE 28 Feb 1972 [1 March 1971] 9100/72 Headings C1A and C1C] [Also in Division B1] Kaolinite, bentonite, montmorillonite, crushed brick, glass beads or crushed glass, resins in hydroxide form and wood sawdust are activated with a halogenating agent before binding on to the activated substrate an amine or a protein. Specified halogenating agents are cyanuryl halides, cyanogen halides, thionyl halides and sulphuryl halides. The materials are useful in the treatment of waters containing organic pollutants such as hydrocarbons.