baber/WOPTO huggingface dataset:
Patent GB-115359-A (GB)
Title: Improvements in or relating to Photometers.
Inventor: LACROIX PAUL ANTOINE MARIE
IPC: G01J1/22
Filed: 1917-09-10
Abstract: 115,359. Lacroix, P. A. M., and Richard, J. Sept. 10, 1917. Comparison photometers. - Relates to apparatus of the kind in which the light emitted by a subject to be photographed is compared with the luminosity of an electric lamp. A telescope body a with eye-piece c has the front part divided by a partition d, the ends of the chambers thus formed being closed by ground glass g, g<1>, illuminated respectively by light from a diffuser h, on which falls light from the subject to be photographed, and by light from the electric lamp shown passing through an adjustable aperture on to a reflector i. The light falling upon the glass g<1> is adjusted, till equal brightness with the glass g is obtained, by turning a rotatable tube o mounted on the body a and provided with a variable opening p, as shown in Fig. 3. An index on the tube o co-operates with a rule on the body a.
Patent GB-143231-A (GB)
Title: A spray burner for oil furnaces
IPC: F23D11/38
Filed: 1920-05-11
Abstract: 143,231. Westf. Gasgluhlicht-Fabrik, F. W., & Dr. C. Killing. March 8, 1915, [Convention date]. Burners, materials for; spray burners.-A spray burner has its nozzle b and needle valve a formed of ceramic material.
Patent GB-798987-A (GB)
Title: Improvements in or relating to electric switch mounting arrangements
IPC: H01H9/08
Filed: 1955-05-05
Abstract: 798,987. Retractive switches; snap-action switches; switch cases. GENERAL ELECTRIC CO., Ltd., JENKINS, G. H., and PARKER, J. P. May 7, 1956 [May 5, 1955], No. 13103/55. Class 38 (5). [Also in Group XXXVI] A switch comprises a body having a recess and terminals, an insert carrying the switch mechanism and an operating dolly being arranged to be removably plugged in the recess with the dolly projecting through an aperture in the bottom of the recess, and the insert having contacts engageable with the terminals or contacts connected with the terminals. The body 1 carries terminals 7 connected to contacts 6 let into the surface of the recess 2 so as to be engaged by contacts 20 on the insert 3. The latter has a dolly 5 pivoted at 19 and connected at 18 to a member 12 sliding on a rod 13 and loosely carrying bridging contacts 11 which cooperate with fixed contacts 10. The dolly ends in a roller 21 which co-operates with a shaped surface on a member 22 slidable on rods 23 and biased towards the roller by springs 24. The member 22 has four such surfaces 22a ... 22d, any one of which may co-operate with the roller so as to give the following switch actions respectively : (a) two stable " on " positions, (b) two stable " on " positions with a central " off " position, (c) one stable " on " position with spring return from the other, and (d) spring return from both " on " positions. The insert 3 carries spring catch members 26 with tongues 29 which engage notches 30 on the body 1 to retain the insert in position. A number of switches may be mounted side-by-side in a control cabinet.
Patent GB-543896-A (GB)
Title: An improved extractor tool
IPC: B25B27/073
Filed: 1940-08-16
Abstract: 543,896. Bush extractors. BRITISH POWER BOAT CO., Ltd., and BRADBURY, W. P. Aug. 16, 1940, No. 13131. [Class 61 (iii)] A bush extractor more particularly for metal bushes 10 with a rubber lining 11 vulcanized therein comprises a body 15 with gripping members 17 mounted thereon and adapted to be forced outwards to bite through the rubber lining and grip the metal bush by a conical portion 21 of a screw 19 threading through the end of the body, the bush being then extracted by operating a nut 22 engaging an abutment 23 contacting a spacing member 24.
Patent GB-1263186-A (GB)
Title: Improvements in or relating to mechanical figures, and games incorporating the same
Inventor: BALDWIN LEONARD ELLIS
IPC: A63F7/24
Filed: 1969-03-12
Abstract: 1,263,186. Mechanical figure. L. E. BALDWIN. 10 March, 1970 [12 March, 1969], No. 13147/69. Headings A6H and A6S. A mechanical figure has a body 1 and legs 2 and 3. The body 1 is hollow and has two internal transverse webs 4 and 5, having vertically aligned apertures 4a and 5a. Secured to the top of leg 2 is a plunger 6, slidably mounted in the apertures 4a and 5a, and having a shoulder 6a, to limit downward movement of the leg 2. Upward movement of the plunger 6, against the action of spring 7 is limited by shoulder 2a and web 5. The leg 2 is formed with a boss 2b carrying a transverse pin 8. The other leg 3 has an apertured boss 3a, so that it is pivoted on pin 8, and a cam 3b which engages the underside of web 5. Thus, when the body I is pressed downwards, the leg 2 telescopes within the body, displacing the pin 8 towards the web 5. The cam 3b then slides to the rear of the underside of web 5, thereby swinging leg 3 forwards. When the pressure is released, due to the action of spring 7 and the weight of the leg 3, the leg returns to its original position. The figure may be mounted on a stand 9.
Patent GB-681255-A (GB)
Title: Improvements in or relating to frequency deviation standards
Inventor: BROCKLESBY CHARLES FOUNTAIN
IPC: G01R29/06
Filed: 1949-05-17
Abstract: 681,255. Calibrating frequency meters. MARCONI INSTRUMENTS, Ltd. Feb. 7, 1950 [May 17, 1949], No. 13151/49. Drawings to Specification. Class 37. [Also in Group XL (c)] A frequency deviation standard, for checking the calibration of frequency deviation meters in frequency modulation equipment comprises at least one oscillator constantly operated at a predetermined fixed frequency and in combination therewith a periodically-operated outputswitch which alternately passes and cuts off the output from the oscillator. In one arrangement two crystal controlled oscillators of frequencies f 1  and f 2  respectively have their outputs alternately connected through a switch which may be electronic or mechanical, to the input of a buffer amplifier. The switch may be operated at 50 cycles per second and the buffer amplifier provides an output which may be regarded as a frequency-modulated signal having a mean frequency of one-half f 1 +f 2  and peak-to-peak deviation of # 1  - # 2 . In a modification the output of a crystal-controlled oscillator operating on a frequency f 1  is applied to the control grid of a valve which is operated. as an electronic switch as by applying an alternating potential at 50 cycles per second to its screen grid. The output is taken from the anode of the second valve and may be passed through a limiter, and provides a signal having a peakto-peak deviation of f 1 .
Patent GB-911414-A (GB)
Title: Coated metal article and method of producing same
IPC: C22C19/07
Filed: 1960-04-13
Abstract: A high-temperature nickel or cobalt base super alloy containing at least 50% by weight of nickel and/or cobalt is coated with a diffusion coating comprising chromium and aluminium by embedding the super alloy in a pack containing a source of chromium and aluminium metal and a source of a vaporizable halogen and heating the super alloy in the pack.  The pack contains 3% to 20% by weight of aluminium and 2 to 4 times that amount of chromium and the super alloy is heated to at least 1800 DEG  F.  In a specific embodiment the pack consists of 69% alumina, 22% chromium, 8% aluminium and 1% iodine the super alloy being embedded in the pack and heated for 4 to 20 hours at 1800 DEG  F. to 2100 DEG  F.  Ammonium iodide or ammonium fluoride may be used instead of the iodine and two examples of the super alloys so treated are a high nickel alloy containing 0.12% C, 19% Cr, 19% Co, 1% Fe, 4% Mo, 3% Al, 3% Ti, and a high cobalt alloy containing 0.5% C, 24.5% Cr, 10.5% Ni, 7.4% W, 1% Fe and 55% Co.
Patent GB-272670-A (GB)
Title: An improved device for locking electric lamps in their holders or sockets
IPC: H01R33/97
Filed: 1926-05-25
Abstract: 272,670. Wyatt, J. W., Wilson, J., and J.K.W. Manufacturing Co., Ltd. May 25, 1926. Holders.-A device for locking bulbs in holders, of the kind wherein the insulation block 4 carrying the contacts 15 is pressed down by a. spring 8, comprises a sleeve 1 located in the socket 2 and normally closing the entrances 10 of the bayonet slots, while slots 11 in the sleeve accommodate the pins of a bulb cap inserted within the sleeve. When a bulb is being inserted, the cap pins raise the sleeve 1 against the action of the spring 8, and the spring closes the slots 10 again when the pins have been turned into the transverse parts of the slots. Rotation of the sleeve is prevented by studs 7 engaging slots 6. To release the lamp bulbs, a key composed of two half-rings 18, 19, Fig. 7, hinged at 20 is placed on the cap of the bulb and offset lugs 24 on the key are pushed into the slots 10, thus raising the sleeve 1, and are then turned into extensions 26, Fig. 9, of the slots to allow the passage of the bulb pins 16. In a modification shown in Fig. 11, lugs 29 on the sleeve 1 lock the union nut 27 when a bulb is in the holder, thus preventing the holder casing from being taken to pieces. Lugs 31 on the sleeve rest on the bulb cap to cause the sleeve to be raised to the locking position.
Patent GB-1216731-A (GB)
Title: Synthesis of substituted alanines
Inventor: SAARI WALFRED SPENCER
IPC: C07C227/14
Filed: 1968-03-19
Abstract: 1,216,731. Substituted α - alkyl - phenylalanines. MERCK & CO. Inc. 19 March, 1968 [22 March, 1967], No. 13243/68. Heading C2C. α-Alkyl-phenylalanines of formula are prepared by reaction of an intermediate imine of Formula (I) or formula where each of R 2  and R 5  is a hydrogen atom or an alkyl, benzyl, phenyl, heterocyclic or α-alkyl benzyl radical or an alkyl radical substituted by one or more -CN, -OR or -SR groups, or a phenyl or benzyl radical substituted by one or more halogen atoms or -OR, -NR 2 , groups; each of R 1  and R 3  is a -OR, -NH 2 , -NHR, -N(R) 2  or -OC(CH 3 ) group; and R 6  is a hydrogen atom or an alkyl radical; and R in the definitions of R 1 , R 2 , R 3  and R 5  is a hydrogen atom or an alkyl, benzyl, phenyl, heterocyclic or α-alkyl benzyl radical, with an alkylating agent of the formula R 4 Z where R 4  is branched or straight chain alkyl, benzyl, α-alkylbenzyl or heterocyclic-substituted methyl radical or a substituted benzyl radical in which the substituents are non-interfering, and Z is a halogen atom or a tosylate, mesylate, brosylate or quaternary ammonium group, and hydrolysing the product. Imines of Formula (I) above may be prepared by reaction of compounds of formulµ Reference has been directed by the Comptroller to Specifications 1,068,937, 1,049,710, 1,023,214 and 947,725.
Patent GB-133967-A (GB)
IPC: H02P7/06
Abstract: 133,967. Courtiade, A. July 18, 1916, [Convention date]. Controllers, actuating-mechanism for.-The resistance in the field circuit of a motor or generator is varied by the relative movement between the dynamo armature and a resistance-carrying disk, one of which is fast on the armature shaft, the other being driven through a spring. As shown, the disk f is fixed to the shaft, the armature being driven by a spring i. A spring d on the end of the armature wipes over resistance studs on the disk, the spring being connected to an insulated ring b on the armature. As the speed varies, the armature is displaced with respect to the disk and the resistance is varied, the field circuit being completed through the spring d and ring b. Stops prevent the armature turning more than one revolution with respect to the disk.
Patent GB-370220-A (GB)
Title: Improvements in machines for broaching gear wheels or other profiled articles
IPC: B23F1/08
Filed: 1931-05-06
Abstract: 370,220. Broaching gear wheels &c. LIBECK, A., 209, Boulevard Davout, Paris. May 6, 1931, No. 13399. [Class 83 (iii).] In a machine for broaching gear wheels or other profiled articles, a number of broaching tools 6 are arranged within a cylindrical member 5 carried by a frame 1 which is connected by bolts 2 to a hydraulic or mechanical press. The blanks 9, which may be separated by spacers 10, are secured on a mandrel 11 which is centred at 14 in the ram of the press, the ram being operated to carry the blanks past the cutters and complete the teeth in a single operation. Channels 16 for conveying lubricant to the cutting edges are located between the cutters or formed in the cutter bodies.
Patent GB-831124-A (GB)
Title: Purification of collagen
IPC: C09H3/00
Filed: 1956-05-01
Abstract: A dispersion of collagen in a suitable dispersion medium is prepared by a process in which as an initial step, finely divided collagen is purified by removal of non-collagenous material by p  enzymatic digestion.  Extraneous matter may be physically removed from mammalian collagenous tissue, e.g. fresh tendons, hides, and the tissue then treated with a solution of an enzyme capable of acting on and dissolving non-collagenous substances, for a period of at least 10 hours at between 5 DEG  and 45 DEG  C. and pH 5 to 9, prior to dispersing the separated material in a dispersive medium, e.g. aqueous acid such as acetic or malonic acid. Collagen may be obtained by precipitation from the dispersion by addition thereto of an acid neutralizing agent, e.g. ammonia, or collagen strands may be formed by extrusion of the dispersion into an acid neutralizing bath, e.g. acetone containing ammonia.  Specified enzymes are malt diastase, pancreatin, and microorganisms of the B. subtilis group.ALSO:Strands of collagen are formed by extrusion of a dispersion of collagen into an acid-neutralizing bath, e.g. acetone containing ammonia, the dispersion having been formed by a process in which, as an initial step, finely divided collagen is purified by removal of non-collagenous material by enzymatic digestion.  The dispersion may be formed by physically removing extraneous matter, e.g. muscle and fat, from mammalian collagenous tissue, e.g. fresh tendons or hide, and treating the tissue with a solution of an enzyme capable of acting on and dissolving non-collagenous substances for a period of at least 10 hours at between 5 DEG  and 45 DEG  C. and pH 5 to 9, prior to dispersing the separated material in a dispersive medium, e.g. an aqueous acid such as acetic or malonic acid.  Specified enzymes are malt diastase, pancreatin, and micro-organisms of the B. subtilis group.
Patent GB-573620-A (GB)
Title: Improvements relating to the control of reversible internal combustion engines
IPC: F01L13/02
Filed: 1944-07-13
Abstract: 573,620. Stopping. CROSSLEY BROS., Ltd., and CARTER, H. D. July 13, 1944, No. 13429. [Class 7 (v)] [Also in Group XXVI] Means for stopping an engine if it rotates in a direction contrary to that called for by the position of the reversing lever comprises two plungers, one of which is displaced by the delivery of a gear pump according to the direction of rotation, and a part coupled to the reversing lever and moved by the displaced plunger so as to stop the engine if it rotates in the wrong direction. As shown, the enginedriven gear pump j draws fluid, e.g. oil, from a tank n through either of two non-return valves o, p and the' oil lifts one of two spring-loaded plungers h, i and returns by a common return pipe u. A sleeve d slides on a rod e by connection with the starting lever a, and a rocker f is oscillated when the engine turns in the wrong direction by the appropriate plunger to operate a fuel pump control valve cutting off the fuel supply to the engine. The capacity of the pump j should be such that the engine can be started again in the right-direction in less than one revolution of the crank-shaft.
Patent GB-134717-A (GB)
IPC: B25B1/24
Abstract: 134,717. Evans, T. G. Feb. 8, 1919. Vices.-In a T-bar vice of the kind in which the T-bar slides in a channel between ridges integral with a base-plate and is held in the channel by strips or the feet of the fixed jaw, or by both, the ridges 2 extend to the front edge of the baseplate 1 to provide the maximum support against side play of the T-bar. The ridges 2 may also extend to the back edge. The contacting faces of the T-bar, channel strips 4, and feet 6 are machined to fit. The nut 9 of the operating screw 10 is secured to the jaw 5 by screws 11, and the flange 12 is provided with a recess 13 to engage the projection 14 of the jaw 5, or is provided with a projection to engage a recess in the projection 14, to relieve the screws 11 of twisting stress. A cover 16 secured to the strips 4 excludes filings &c. from the T-bar.
Patent GB-665321-A (GB)
Title: Improvements in wrapping machines
Inventor: ROSE ALFRED GERMAN
IPC: B65B11/34
Filed: 1949-05-20
Abstract: 665,321. Wrapping-machines. ROSE BROS. (GAINSBOROUGH), Ltd. May 19, 1950. [May 20, 1949] No. 13475/49. Class 94(i). In a machine in which a wrapper is folded about a sweet or like article and at least one end closure is formed by twisting an extending end portion of the wrapper to form a fantail, e.g. as described in Specification 352,946, the twisting device comprises a rotatable member to which are pivoted a pair of opposed members 18, 19 carrying notched blade members 21 and formed with flat surfaces 22, the arrangement being such that on inward movement of the members a narrow portion of the wrapper is first compressed into the notches to form a twisted neck and the extending portion of the wrapper is then gripped by the surfaces 22 to complete the formation of the fantail while the neck is engaged by the notched members. As shown, the members 18, 19 are pivoted at 17 to a forked extension 16 of a sleeve 11 rotatably and slidably mounted in bearings 12, 13 and are formed with gear segments 23 meshing with racks 24 formed on a rod 27 which is slidable in the sleeve against the action of a spring 31. The sleeve is rotatable through gearing by a shaft 44 and is reciprocated by a cam 53 on the shaft which engages a roller 52 on a pivoted forked arm 49 which carries a pair of rollers 48 engaged between the flanges of a collar 47 secured to the sleeve. An extension 54 of the arm is linked to an extension 56 of a forked arm 57 secured to a shaft 58 and carrying rollers 59 engaging the flanges of roller 61 slidable on the shaft 44 but rotatable therewith. A striking arm 62, pivoted on the shaft 58 and carrying a roller 63 engaging a cam 64 formed on the collar 61, operates a tappet 28 on the rod 27. The timing of the cams is such that the members 18, 19 are moved towards the sweet in the open position and then closed to perform the twisting operation. The arm 49 is acted on by a return spring 66.
Patent GB-1112134-A (GB)
Title: Improvements in methods of and arrangements for controlling paper-making machine and head box slice lower lips
IPC: D21F1/02
Filed: 1966-03-28
Abstract: The deflection of a beam supporting the lower lip of the slice of a headbox of a papermaking machine is controlled by creating a difference in temperature between an upper and a lower portion of the beam.  The upper portion may be heated electrically, or by heated gas or liquid passing through a channel therein. Alternatively, or in addition, the lower portion may be cooled by a fluid sprayed thereon or passing through a channel therein.  The difference in temperature may be automatically regulated to compensate partly or fully for deflection in the beam due to the stock pressure.
Patent GB-907401-A (GB)
Title: Air conditioning systems for vehicles
Inventor: LEE DENIS ERNEST
IPC: B60H3/02
Filed: 1960-04-19
Abstract: 907,401. Air conditioning systems for vehicles. LUCAS (INDUSTRIES) Ltd., JOSEPH. April 18, 1961 [April 19, 1960], No. 13611/60. Class 137. An air conditioning system for vehicles comprises an air inlet duct 4, an air outlet duct 6, air drying chambers 3 and 2 connected in the respective inlet and outlet ducts, means for reversing the relative positions of the said drying chambers, and a heater 7 connected in the outlet duct 6 upstream of the drying chamber 2. In the form shown, the drying chambers are housed in a single partitioned casing which is rotatable about a central axis,  and contain silica gel or other drying agents. The heater 7 comprises a casing around the exhaust pipe 8 of the vehicle, air passing from the vehicle interior and through this heater serving to regenerate the drying agent in the chamber 2. A further heater 5 is incorporated in the inlet duet 5 downstream of the chamber 3 and flexible seals 9 are associated with the inlet and outlet of each of the chambers.
Patent GB-659521-A (GB)
Title: Fire resistant electrical cable
IPC: H01B7/16
Filed: 1949-05-21
Abstract: 659,521. Electric cables. PETCAR RESEARCH CORPORATION. May 21, 1949, No. 13620. Convention date, Aug. 6, 1948. [Class 36] A high-temperature-resistant cable comprises at least one conductor 20 having a plurality of fire-resistant ceramic beads 22 fused thereon, the spaces between the beads being filled with moistureproof insulation 24, and the whole assembly being enclosed in tubing 26. The insulation 24 may completely cover the beads 22, or may end flush with the outer surface of the beads, in which case the beads are treated with a moisture-proofing material. The tube 26 may act as the outer conductor of a concentric cable, and may be externally insulated by ceramic rings 30 and insulation 32, similar to the insulation 24. Rubber or a rubber substitute is preferably used for the insulating and moisture-proof layers 24 and 32.
Patent GB-716292-A (GB)
Title: Improvements in mops
IPC: A47L13/252
Filed: 1952-05-30
Abstract: 716,292. Mops. SIMMS & CO., Ltd., T. S. May 30, 1952 [Nov. 28, 1951], No. 13742/52. Class 19 A mop head comprises two arms adapted to receive mop material and projecting in opposite directions from opposite ends of a transverse shank rotatably mounted in a holder, the arrangement being such that with the holder inclined to the surface being mopped the mop head may be rotated in either direction by 180 degrees by twisting the holder without the ' mop leaving the floor. As shown the arms 11, 12 and shank 13 are formed from a single piece of wire and are rotatably mounted on a holder B for a handle, one arm being offset by a member 15. Mop sleeves may be drawn over the arms.
Patent GB-731878-A (GB)
Title: Apparatus for producing periodic electric pulses
IPC: G04C13/06
Filed: 1953-05-18
Abstract: 731,878. Electric clocks. EBAUCHES SOC. ANON. May 18, 1953 [June 5, 1952; April 8, 1953], No. 13798/53. Class 139. [Also in Group XXXVII] An interrupter for sending pulses, e.g. from an electric master clock to a slave clock, comprises an adjustable part capable of a circular translatory movement only (i.e. it always remains parallel to itself whilst points thereof are moved in a circular path) and carrying contact springs which are operable by a cam, the interval between successive pulses produced by contact closure being changed by alteration of the position of the adjustable part. In one form, Fig. 2, the adjustable part comprises a member 15 carrying contact springs 18, and attached by pins 13, 14 to pinions 5, 6 which are rotatable in the same direction by a knob on a spindle 7. The free end of member 15 is slidingly guided in a slot 17 in part of the base. The cam 23 rotates at, e.g. 1 rev. per sec., and consequently one pulse is normally sent every second. However if the pinions are rotated counter-clockwise through 90 degrees in an interval between successive pulses, the springs 18 and their cam follower 26 are moved in the direction of movement of the cam so that that interval lasts 1“ secs., each succeeding interval being 1 sec. for the same position of adjustment. In another form, Fig. 3, four sets of contact springs 57, co-operating with four cams 62, are mounted on a plate 47 which has a tongue and groove connection 48 with a plate 45 so that it can slide sideways thereon. Plate 45 itself has a similar connection 44 with a fixed plate 42 so that it can slide up and down (as shown in the drawing). The plate 47 has a hole engaged by an off-centre pin 50 in an adjustable plate 51, rotation of which causes sliding of plates 47, 45 and adjustment of the contacts.