baber/WOPTO huggingface dataset:
Patent GB-643214-A (GB)
Title: Improvements relating to combined push-button and lever operated electric switches
Inventor: FOXALL HORACE HENRY
IPC: B60R16/00
Filed: 1948-04-21
Abstract: 643,214. Snap-action switches. LUCAS Ltd., J. April 21, 1948, No. 10976. [Class 38(v)] A dual electric switch comprises a leveroperated switch combined with a pushbutton operated switch, the plunger of the latter switch passing through the pivot of the lever of the former switch. The snapaction lever-operated switch comprises a hand-actuated lever d pivoted on a hollow metal trunnion f, which also forms the pivot for a contact lever g. The lever g is connected to and operated by the lever d by means of a plunger h and spring i which form an over-centre snap-action device. The push-button operated switch is of the type in which successive actuations of the push-button alternately open and close contacts. It comprises a plunger p slidable in the trunnion f and actuated by the button q against the action of a spring r. The plunger p carries a stirrup o in which is pivoted a square-section rotary member m provided with contact pieces n. The contact pieces n connect a fixed contact k on the right side of the member m with either one of two contacts k on the other side of the member m. When the push-button is depressed, the member m is rotated through 90 degrees when its lower face abuts the extended end of the first-mentioned contact k, the contact pieces n opening one circuit and closing the other circuit between the contacts k. The dual switch unit is primarily intended for controlling the lighting circuits of a motor-cycle, and in this event the unit is attached to the handle bars of the machine by a strap u which also holds the top cover c and a bottom cover if provided, in position.
Patent GB-871193-A (GB)
Title: Improved colouration process for textile materials
Inventor: BLACK WILLIAM
IPC: D06P1/52
Filed: 1959-04-01
Abstract: A water-soluble acrylic polymer containing both carboxy and carbonamido groups is used as a migration inhibitor in the dyeing of textiles (see Group IV(c)).  In Examples, the polymer employed is that obtained by (1) partially hydrolysing polyacrylonitrile; (6) copolymerizing acrylamide and acrylic acid; (7) copolymerizing acrylamide, acrylic acid and vinyl acetate; (8) partially hydrolysing polyacrylamide and (9) partially hydrolysing a copolymer of acrylamide and styrene.  Specification 871,192 is referred to.ALSO:In the dyeing of textile materials of natural or regenerated cellulose or of cellulose acetate or triacetate, polyamides, polyesters or polyacrylonitrile with aqueous dispersions or solutions of non-cationic dyestuffs, improved results are obtained by adding to the solution or dispersion, as a migration inhibitor, a water-soluble acrylic polymer containing both carboxy and carbonamido groups, a 0,1% aqueous solution of the polymer having a specific viscosity at 25 DEG C. of between 0,1 and 10,0. The process is applicable to the dyeing of cellulosic textiles with vat, direct or reactive dyestuffs or the dyeing of artificial fibres with dispersed or water-soluble dyestuffs.  The acrylic polymer may be obtained by the partial hydrolysis of polyacrylonitrile or polyacrylamide or of a copolymer of acrylonitrile and acrylamide, or of a copolymer of acrylonitrile or acrylamide with another suitable monomer such as vinyl acetate, acrylic acid, methylmethacrylate, styrene or vinyl chloride, or of a graft polymer of acrylonitrile or acrylamide with a water-soluble graft polymer component such as starch, starch ethers, cellulose ethers and polyvinyl alcohol.  Alternatively, the acrylic polymer may be obtained by copolymerizing acrylamide and acrylic acid, if desired, together with other suitable monomers or other watersoluble graft polymer components. Examples are given.  Specifications 797,946, 798,121, 838,335 and 871,192 are referred to.
Patent GB-1255172-A (GB)
Title: Dispersion
Inventor: GROSZEK ALEKSANDER JERZY
IPC: B22F1/00
Filed: 1968-03-07
Abstract: 1,255,172. Making metal flakes. BRITISH PETROLEUM CO. Ltd. 27 Feb., 1969 [7 March, 1968], No. 11109/68. Heading B3A. [Also in Division C5] Metals are ground to flakes in an organic grinding liquid having a surface tension less than 72 dynes/cm. at 25‹ C. and a viscosity of less than 30 c. stokes at 100‹ F. in the presence of a grinding aid in a high energy ball mill in the substantial absence of air, the metal remaining below the surface of the liquid throughout grinding. The metal may be Fe, Al, Cu, Zn, Sn, Pb or alloys such as cast iron, steel or brass. The grinding fluid may be a paraffin and the grinding aid may be CCl 4 , stearic acid, palmitic acid, their vinyl esters or cetyl alcohol.
Patent GB-472532-A (GB)
Title: Improvements in and relating to trim panels and fasteners therefor
IPC: B60R13/02
Filed: 1937-04-19
Abstract: 472,532. Clip fastenings for trim panels &c. BRIGGS MANUFACTURING CO. April 19, 1937, No. 11116. Convention date, Aug. 15, 1936. [Class 44] A clip for use in securing a trim panel to the door or other part of a motor vehicle comprises a base 20, Fig. 4, with an upstanding reversely bent part 26 providing a resilient abutment terminating in a lip 27, the other end of the base having an upstanding part 21 merging into a bowed part 22 and clipping arm 23 with upturned end 25. The foundation sheet 28 of the panel has an aperture 32 of such size that, in mounting the clip on the panel, after insertion of the lip 27 with the abutment 26 bearing against one edge of the aperture, as in Fig. 4, pressure must be applied, as by a tool 33, to compress part 26 in order that the part 21 may enter the aperture. Preferably, the part 21 is inclined at an acute angle to the base 20, so that when in place the edge engaged by the part 21 has an undercut formation. Fig. 6 shows an alternative form of clip comprising a tongue 43 with a pair of laterally disposed abutment members 48 bowed at 47 to give resilience and having outwardly turned flanges 49. The clip is applied to the panel 51 by the use of pliers &c. to compress the abutment members sufficiently to allow insertion of the flanges 49 in suitably spaced apertures 56, the flanges springing into engagement behind the edges of the apertures when released. Fig. 16 shows another form of clip having a base-plate 70 with a struck-up tongue abutment 71, a clipping tongue 80, and a resilient abutment 76 bowed at 75 and with outwardly turned flange 77. The clip is inserted in tilted position as shown until abutment 71 bears against one edge of aperture 85, and abutment 76 is then compressed by tool 86 to allow flange 77 to pass into the aperture. In use, a number of suitably spaced clips are applied to the rear face and near the edges of the trim panel C, Fig. 1. The clips along one vertical edge are engaged with one flange 37 on the door, the panel is bowed to allow engagement of clips with the flange at the opposite edge of the door, subsequent flattening of the panel forcing the clips home, and the panel is finally moved bodily downwards to engage the clips with the bottom flange of the door.
Patent GB-1421596-A (GB)
Title: Preparation of aromatic carboxylic acid chlorides
IPC: C07B61/00
Filed: 1973-03-07
Abstract: 1421596 Preparation of aromatic carboxylic acid chlorides TEIJIN Ltd 7 March 1973 [10 March 1972] 11127/73 Heading C2C The invention comprises a process for preparing aromatic carboxylic acid chlorides by reacting a homopolyester or copolyester, formed from an aromatic dibasic acid as the main acid component and a glycol component, with at least one (trichloromethyl)benzene having at least one -CCl 3  group and optionally at least one nuclear Cl atom in the presence of at least one catalyst selected from iron and aluminium and the oxides, sulphides and salts thereof, to produce (a) an acid chloride of said aromatic dibasic acid and (b) an acid chloride formed by conversion of all -CCl 3  groups in said (trichloromethyl)benzene to -COCl groups. Examples of the acids produced by the reaction are terephthaloyl chloride, isophthaloyl chloride and benzoyl chloride.
Patent GB-494161-A (GB)
Title: Improvements in apparatus for the control of washing machines
IPC: D06F37/42
Filed: 1937-04-20
Abstract: 494,161. Washing-machines. BRAITHWAITE & SON ENGINEERS, Ltd., I., and O'BRIEN, T. H. April 20, 1937, No. 11208. [Class 138 (ii)] In a washing-machine generally similar to that described in Specification 261,477, [Class 38 (iii)], wherein the starting, oscillating, stopping and inching of the clothes-receptacle are electrically controlled, with an interlock between the casing door and the electric controller, the interlock comprises a slidable bar F having a recess f and connected by a link E and shaft C to a lever A in the path of a member B secured to the casing door B<1>. The lever K of the controller G is provided with a cam plate H which, when the handle is in the " on " position, engages in the recess f and prevents movement of the bar F and hence prevents movement of the casing door. The cam plate is linked to one arm of a three-armed lever P, another arm of which is connected to a brake whilst the third arm is connected to a lever having a roller P<1>. When the lever K is pushed to " off " position the roller P<1> rides on to the periphery of a cam P<2> secured to the receptacle shaft, and in the correct unloading position of the receptacle, the roller drops into a recess p in the cam P<2>, and the plate H assumes the position wherein its flat portion is horizontal so that the bar F may now be moved. On opening the door, the member B rotates the lever A and causes the bar F to slide to the right so that the flat portion of the cam plate H now contacts with the flat portion of the bar and prevents operation of the lever K until after the casing door has been closed, a pin L on the member B rotating the lever A to cause the bar F to return to the left. As an additional precaution a plunger S operated by an isolating switch M enters an aperture T in the bar F when the controller handle K is " on " and the plunger is only withdrawn when the isolating switch is " off." The isolating switch cannot be put " on " when the door is open because the bar F has moved to the left, moving the aperture therein out of register with the plunger S. In a modification the bar F is positively caused to slide by movement of the handle that operates the isolating switch, the interlock between the member B and the lever A preventing opening of the door with the controller handle K " on " and preventing movement of the handle K to " off " when the door is open.
Patent GB-804709-A (GB)
Title: Improvements in or relating to a method of producing cages for roller bearings and more particularly for needle roller bearings
IPC: B21K1/04
Filed: 1957-04-05
Abstract: 804,709. Roller bearing cages. SCHAEFFLER, W., and SCHAEFFLER, G., [trading as INDUSTRIEWERK SCHAEFFLER, O H G.]. April 5, 1957 [April 24, 1956], No. 11220/57. Class 12 (1). [Also in Group XXII] A cage 1 for a needle roller bearing is provided with windows 2 having roller retaining edges 8 and projecting fins 9 on the inner and outer surfaces of the cage respectively. The outer surface of the cage may be provided with ribs 13 and the projecting fins on the ribs are rolled down to reduce the gap 14 (Fig. 7), to retain the rollers. Alternatively, ribs 19 may be provided on the inner surface 16 of the cage.
Patent GB-1521853-A (GB)
Title: Seat actuated fluid drive neutralizing arrangement
IPC: B60K28/04
Filed: 1977-03-17
Abstract: 1521853 Land vehicle safety systems CATERPILLAR TRACTOR CO 17 March 1977 [7 June 1976] 11330/77 Heading G4N In a vehicle of the type having a fluid drive arrangement 18 shiftable between forward, neutral and reverse drive conditions by an actuator 42, and an operator's seat 13 movable between raised unoccupied and lowered occupied positions, a dead-man safety control system is provided and comprises solenoid operated valve means 39 arranged between an auxiliary fluid source 32 and the actuator 42 and an electrical switch 17 disposed beneath the seat 13 so as to be opened when the seat is raised and unoccupied, opening of the switch 17 causing the valve means 39 to be de-energized and thus to block communication between the source 32 and the actuator 42. This results in the drive arrangement 18 taking up its neutral position.
Patent GB-215553-A (GB)
Title: An improved adjustable, single lever, pipe and nut wrench with ratchet-like control
IPC: B25B7/10
Filed: 1923-04-26
Abstract: 215,553. Thurley, A. J. April 26, 1923. Pivoted-jaw wrenches; jaw faces. - A pipe wrench with a pivoted outer jaw which grips under spring action when rotated in one direction and is free on the return direction is constructed with an operating handle a integral with a fixed jaw b, and a pivoted jaw c fitted with a series of notches f one of which is received in a pivot pin g secured through a slot in the centre of the handle a. The jaw c is passed through the slot in the handle a. A spring or a spring-pressed lever h, with its long arm h<1> abutting against the jaw c, normally presses the jaws towards one another, and the lever h can be pressed away from the jaw c to permit of its adjustment by pressing on the short arm h<2> of lever h. A jaw face b, Fig. 3, is secured in the handle a by means of a shoulder b<1> received in a recess in the handle before the securing screw b<2> is applied.
Patent GB-254450-A (GB)
Title: Improvements in and relating to advertising and like signs
IPC: G09F13/04
Filed: 1925-05-02
Abstract: 254,450. Brackensey, A. H., and Franco- British Electrical Co., Ltd. May 2, 1925. Signs ; name and number plates, letters, numerals, and the like.- A box advertising or like sign has letters or other display matter arranged in relief in or on the panels forming the display face. and outlined by opaque borders in corresponding relief so that grooves or channels separate the display matter from the borders to allow the passage of light whereby the display matter is silhouetted in relief. The sign comprises a box 1, Fig. 2, having a fixed back 2 and a hinged front panel 3 forming the display face. Letters 4 are mounted on supports 5 independently of the panel so that they stand out in relief from the front face of the panel, which is stencilled to correspond with the letters and form outlining spaces 6 about them. The apertures in the panel are provided with flanges 7 to form opaque outlining borders in corresponding relief. The sign is illuminated internally by electric lamps 13. In the form shown in Fig. 3 the letters 4 are mounted in relief on a glass panel 8 secured to the back of the hinged panel 3 by clips 9. Each letter of the sign may be mounted on a separate plate. The panel 3 may be fixed and the box 1 have top and bottom hinged doors to give access to the interior. In a further form the letters and opaque border are cemented to a glass panel so as to stand out in relief therefrom. The spaces between the borders and the letters are left clear but the remainder of the panel is painted to render it opaque. The glass panel may be mounted in fixed glazing bars or in a hinged frame. The box signs may be constructed as a series of independent units each carrying one or more letters or display elements, as shown in Fig. 9. Each unit has a removable inclined reflecting back 2, a fixed front panel 3., and an electric lamp 13 which is mounted in the base of the unit.
Patent GB-114807-A (GB)
IPC: F24H3/00
Abstract: 114,807. Benham & Sons, and Allensby, C. R. June 30, 1917. Heating by electricity.-In a radiator of the kind wherein the sections a are heated by steam generated from a small body of water heated by electricity, and wherein the steam-generating chamber c is arranged below the sections as described in Specification 113,840, the steamgenerating chamber communicates with the sections through a single connexion d serving both for the flow of steam and the return of water of condensation. The water returns through perforations f in the bottom part of the connexion inside the sections. The heating element k may be of the kind described in Specification 108,045 [Class 37, Electricity, Measuring &c.].
Patent GB-513404-A (GB)
Title: Improvements in or relating to pulverised fuel burning apparatus
IPC: C10J3/46
Filed: 1939-04-15
Abstract: 513,404. Pulverulent fuel furnaces and burners. BABCOCK & WILCOX, Ltd. (Babcock & Wilcox Co.). April 15, 1939, No. 11508. [Class 51 (i)] [Also in Group XI] A mixture of pulverized fuel and air is supplied tangentially through pipes 12, 13 to two chambers 41, 47 and is discharged through concentric nozzles 40, 45 to mix with heated secondary air supplied through a wind-box 33 to a frusto-conical burner ring 32 arranged above a flaring port 30 at the top of a steam generator furnace such as is described in Specification 503,775, [Group XIII]. The chambers 41, 47 have volute-curved peripheral walls 42, 48 and conical bottoms 43, 46. A bladed impeller 50 is arranged at the discharge ends of the nozzles. An oil burner barrel 63 may be inserted through an adjustable hollow rod 52 carrying the impeller. The inner nozzle 45 and impeller 50 are removable together through an opening 56 in the chamber 41. Curved vanes 37 are so arranged in the wind-box as to effect a substantially uniform circumferential distribution of the air supplied to the port 30 with a minimum pressure drop, the air being caused to rotate in an opposite direction to the fuel and air mixture discharged from the nozzles 40, 45. The pipes 12, 13 may be connected to a single or separate pulverizer and are fitted with cutoff valves so that the fuel mixture can be supplied to either or both of the nozzles 40, 45. The furnace chamber walls are cooled by a steam-generating continuous tube coil 28 formed of relatively small tubing having metal studs welded thereon and covered with initially plastic chrome ore refractory.
Patent GB-1026337-A (GB)
Title: Improvements in or relating to reciprocating pumps for liquids
IPC: F04B13/00
Filed: 1963-03-22
Abstract: 1,026,337. Variable-throw cranks. H. A. MULLER. March 22, 1963 [April 9, 1962], No. 11519/63. Heading F2K. [Also in Division F1] In a reciprocating pump a crank arm 16 is slidable in a bearing 17 which is mounted on the drive shaft 18. The arm 16 is held in place by spring - loaded rollers or balls engaging in recesses therein; each recess corresponding to a predetermined delivery volume. The rollers or balls are locked in position by rotatable eccentrics and an arm 25 carries a graduated scale showing the delivery amount for each piston stroke setting.
Patent GB-169680-A (GB)
Title: Improvements in and relating to washing starch
IPC: C08B30/00
Filed: 1921-04-21
Abstract: 169,680. Brown, H. E. Sept. 25, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Separating by gravity. - A machine for separating chemicals, salts, fibre, and other impurities from a suspension or milk of starch consists of a tank 3 having a conical bottom 4 and a trough 25 provided with an outlet 27 round its upper edge, the inner wall 26 of the trough being lower than the top edge of the tank 3. A feed trough 30 for delivering the starch milk leads to a perforated well 28 lined with wire netting and containing a float 29 and covered with a brass screen 61. While the tank 3 is being filled with starch milk the starch settles on the conical bottom 4, and when the tank is full the clear liquor and impurities overflow into the trough 25 and are carried away through the outlet 27, the starch continuing to settle to the bottom. The starch is removed through pipes 31, 32 by a pump 34 and if necessary diluted with water and again treated in a second similar apparatus. The liquor drawn from the outlet 27 may also be further treated to remove any remaining starch. The tank 3 is fitted with apparatus to keep the settled starch continuously moving towards the outlet pipe 31. Four arms 8, 8, 9 are provided for this purpose carried by a shaft 7 which is rotated by a wheel 19 and pulley 21. The arms are provided with vanes 12 set at an angle to the length of the arms. If the layer of starch on the bottom 4 is of too great a depth to allow the arms to be rotated they can be raised by a hand wheel 22 to a level where the starch is thinner and again lowered, while rotating, to the desired depth. The apparatus can be cleaned out bv steam or water under pressure introduced through pipes 65.
Patent GB-346988-A (GB)
Title: Improvements in containers for disinfectants
IPC: A61L9/12
Filed: 1930-04-14
Abstract: 346,988. Disinfectant containers. LEVICK, J. and LEVICK, Ltd., J., 149, Alma Street, Aston, Birmingham. April 14, 1930, No. 11722. [Class 81 (i).] A container for disinfectants consists of a casing having perforated sides 1, 2 and a perforated lid 7 hinged at 13 and having an upstanding flange 7a having holes therein aligned with holes in an upward extension 5a of the rear wall 5 and adapted to receive screws for securing the casing to a support.
Patent GB-491063-A (GB)
Title: Improvements in or relating to circuits comprising electric discharge tubes
IPC: H01J43/02
Filed: 1938-04-19
Abstract: 491,063. Valve amplifying circuits. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. April 19, 1938, No. 11757. Convention date, April 21, 1937. [Class 40 (v)] In a valve having a heated cathode 2, at least one control grid, an anode 5 and an auxiliary electrode 6 emitting secondary electrons, the output impedance 12 is connected between the anode and secondaryemitting electrode and an intermediate point of the impedance is connected to the cathode. The positive voltage on the secondary-emitting electrode is determined by a resistance 14 shunted by a condenser:
Patent GB-618252-A (GB)
Title: Improvements in electron discharge tube amplifying or generating circuits
IPC: H03B5/22
Filed: 1946-04-17
Abstract: 618,252. Valve amplifying and generating circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. April 17, 1946, No. 11769. Convention date, April 17, 1945. [Class 40 (vi)] A thermionic valve 1, Fig. 1, and its anode impedance R3 are shunted by an auxiliary valve 2 and its cathode impedance R2, the grid of valve 2 being connected to the anode of valve 1, and the cathode impedances R1, R2 are so related that an increase of the anode potential applied to the valve 1 does not produce an increase of current in that valve. The ratio of resistances R1, R2 may equal the amplification factor of the valve 1, to form a constant current device, or may be adjusted to give valve 1 a negative resistance characteristic. The circuit may be used as an oscillator (Fig. 2, not shown) by replacing the anode impedance of the valve 1 by a tuned circuit and biassing the grid of the valve 1 from potentiometer shunting the anode supply. In another embodiment, Fig. 7, a phase-shift network comprising series condensers Xc and shunt resistances R is connected between the output terminals, the input terminals to form an oscillator, the negative resistance being controlled by a potentiometer R6 shunting the anode supply source.
Patent GB-828768-A (GB)
Title: Toy scenic railway
IPC: A63H18/00
Filed: 1958-04-14
Abstract: 828,768. Toy tracks. EINFALT G.m.b.H. GEB. April 14, 1958 [Feb. 15, 1958], No. 11801/58. Class 132(3) A toy scenic railway has part of its track supported above the remainder by stirruplike elements d pivoted to the lower part of the track a by pins e engaging holes in lugs f and detachably connected to the upper part of the track b by a nose piece k engaging a stamped-out eyelet g, Fig. 3. At steep gradients the track has ribbing for engagement by a driven toothed wheel on a vehicle. A stirrup-like portion l, extending over the upper track and formed integrally with one of the stirrups d, makes it possible to arrange roofing or provide a bridge over the upper track b. To collapse the track for packing it is disconnected at C1 and C2 and the stirruplike elements d disengaged from the upper track and swung over to lie on the lower track.