baber/WOPTO huggingface dataset:
Patent GB-1435668-A (GB)
Title: Alarm devices
IPC: G08B23/00
Filed: 1974-08-09
Abstract: 1435668 Piezo-electric transducers P R MALLORY & CO Inc 9 Aug 1974 [9 Aug 1973] 35257/74 Heading H4J  An audible alarm comprising a solid state amplifier drive circuit coupled to a piezoelectric transducer 14 (Fig. 3) to produce an audible signal is mounted to a panel 60 with a cover 33 enclosing components of the solid state drive circuit The piezoelectric transducer 14 (Fig. 3) includes two drive electrodes (13, 15), Fig. 1 (not shown), and a feedback electrode (11) connected to an NPN transistor 16. The circuit also includes resistors 21, 23, 26 and power terminals 28. The components are mounted on a printed circuit board 30. A cover 33 with a cup-shaped shield is carried on board 30 by bent-over tabs 36 extending through mating holes 38 in board 30. Board 30 fits into a housing 40 against a ledge 42. The piezo-electric transducer 14 is attached by resilient adhesive 46 to a ring-shaped projection 44 on housing 40. The adhesive may be silicone rubber compound 48. Transducer 14 is connected by wires 31 to board 30. Flexible fingers 50 extend from a face 52 of housing 40. Each finger 50 includes a barb 54 comprising a ramped entry surface 56 and a stop ledge 58. As shown the flexible fingers 50 follow a circular pattern (51), Fig. 2 (not shown), to mount the alarm device 12 to panel 60 the entry edges of the fingers 50 are inserted in a panel aperture 62. The fingers 50 flex and snap into the position shown. A spacer 74 is used when the panel 60 is thinner than the distance between face 52 and stop ledge 58.
Patent GB-522051-A (GB)
Title: Improvements in or relating to roofs for vehicles
IPC: B60J7/053
Filed: 1938-12-05
Abstract: 522,051. Vehicle bodies. BISHOP, W. H. Dec. 5, 1938, No. 35337. [Class 108 (i)] A vehicle roof with a sliding panel 18 adapted to uncover an opening in the roof is formed with a hollow longitudinal rib 11 on the roof 36 and the sliding panel has a part 39 with head 40 projecting into the hollow rib and guided therein. Friction material 41 on the head 40 locks with the flanges 38 when the part 39 is drawn downwardly. Lateral extensions 16 of the rib 11 are carried down at the back of the rear light 15 and serve to house direction indicators.
Patent GB-863958-A (GB)
Title: Improvements in a cigarette package
IPC: B65D5/66
Filed: 1959-10-19
Abstract: 863,958. Cigarette packets. SANDACZ, G. U. Oct. 19, 1959, No. 35376/59. Class 18. A cigarette packet has one of the side walls 13 formed of inner and outer portions 113, 213 the outer wall portion being 213 pivotally connected with the packet so that it may be swung away from the inner wall portion as shown to provide an ash receptacle therebetween. The packet is formed with a lid 10 having a skirt 17 hinged to the back wall 14. The side walls 15, 16 are of double thickness consisting of portions 115, 215, 116, 216 with openings 18, 19 at the front. The outer portion 213 of the front wall is hinged to the lower margin of the box and is provided with a tab 22 for insertion under the skirt 17 of the lid 10 when the ash receptacle is closed, and with side portions 20, 21 which are freely slidable between the respective portions of respective walls 15, 16. The tray thus formed is treated to resist combustion or is lined with foil 23, sufficient slack being allowed in the sides 24 of the foil to permit the receptacle to be closed. In another embodiment the ash receptacle is formed at the rear of the packet, the tab 22 tucking in a slit in the back of the box.
Patent GB-1148483-A (GB)
Title: Dispersions of physical development nuclei
Inventor: PERRY ERNEST JOHN
IPC: G03C8/28
Filed: 1966-04-15
Abstract: 1,148,483. Photographic dispersions. EASTMAN KODAK CO. April 15, 1966 [April 15, 1965], No.35567/68. Divided out of 1,148,482. Heading G2C. An aqueous dispersion of physical development nuclei has a peptising agent for the nuclei comprising a homopolymer of units of formula 1 or 2 (as defined below), or a copolymer of units of formula 1 or 2 and units of formula 3 in which the ratio of the total number of units to the number of units of formula 1 or 2 is not above 5:1. Formulae 1 and 2 are and formula 3 is wherein # is the repeating unit of a hydrophillic polysaccharide, e.g. α-amylose, or a hydrolyzed cellulose acetate; R 1  and R 2  are each alkyl of 1-8 C atoms, or aryl, or together form a heterocyctic ring which may contain further N, O or S atoms; R 3  is alkyl of 1-6 C atoms; and B and D are each H, OH, alkyl, aryl, acyl, acyloxy, cyano, diacylimido, alkyloxy, aryloxy, carbonyl or carboxy. The dispersion may be coated to form imagereceiving layers for the silver salt diffusion process, and may also contain gelatine in a gelatine: polymer ratio of 99À1. The polymers also have a black-toning effect on the transferred image.
Patent GB-1071750-A (GB)
Title: Improvements in or relating to automatic bowling scorekeeping apparatus
IPC: A63D5/04
Filed: 1964-09-01
Abstract: 1,071,750. Printing apparatus. DOBAN LABS. Inc. Sept. 1, 1964 [Sept. 6, 1963], No. 35640/64. Heading B6C. [Also in Division G4] Printing apparatus is used to record the score of each frame in ten-pin bowling. Electric pulses are used to set the three print wheels which form a mechanical counter mechanism, movement of one wheel from nine to zero moving the next higher digit through one position. A fourth print wheel has indications of" strikes " and " spares." Since these require a further ball or balls to be bowled before their score is complete, the printing surfaces for spares and strikes extend beyond the level of those for the score. Thus a spare or strike can be indicated, the score not being printed until later. The printing surface 304 is made of translucent material and is coated with an opaque coating which is removed when struck by a print wheel. A paper cover 345 is provided to prevent the print characters from being covered with the coating removed from the surface 304. The apparatus comprises a tray 302 to which the printing surface is clipped and which slides under the control of arms 310, 312 moved by a motor, not shown. The tray can be stopped in one of a number of positions under the control of the electronic circuitry so that each frame is recorded in its correct position. It can also be moved to the left (as viewed in Fig. 5) to enable the results to be projected on a screen immediately the score for a particular frame has been printed. The paper cover 345 slides between guides 346, 347 as the tray moves to the left. The print wheels 422 are mounted on a shaft 428 urged downward relatively to the printing head by springs 429. The printing head pivots on shaft 335 and is swung into the printing position by an arm 338 forming the core of a solenoid 337. The printing wheels strike the paper cover 345, and thus remove the coating from a printing surface which rests on flexible supports 319 and then move upwards with the shaft 428 against the springs 429 until the opposite character strikes a bar 440 fixed to the printing head. Thus the force is transmitted through the print wheels rather than through the shaft 428 as is customary.
Patent GB-1371552-A (GB)
Title: Arithmetic unit for the addition of two serially-present decimal  numbers
IPC: G06F7/50
Filed: 1972-07-31
Abstract: 1371552 Addition of binary coded decimal numbers DIEHL 31 July 1972 [7 Aug 1971] 35666/72 Heading G4A Serial addition of two binary coded decimal digits is effected in two calculating cycles, first correction digits K being added to the two digits in the first cycle and, in dependence on whether a carry occurs or not, first or possibly second correction digits being added in the second cycle. For binary coded decimal digits the first and second correction digits are 6 and 0 respectively and for binary coded excess 3 decimal digits the correction digits are plus 3 and minus 3. In the embodiment of Fig. 1 in which two binary coded decimal digits are stored in circulating 64 bit shift registers 1, 2, with a "0" signal applied on lead 9 to selection circuit 4 in the first cycle, the digits and correction digits K are added in adder 3, which comprises two serially connected full adders. Circuit 6 recognizes a carry and enters a "1" in the shift register 7, the output on lead 8 from which controls, in the second cycle, the selection circuit 4 to apply first or second correction digits K, K 0 . The shift registers 7 may have a capacity of one decimal digit less than the registers 1, 2 and be pulsed at the same frequency or have a capacity of one quarter the registers 1, 2 and be pulsed at a quarter the frequency. In a modification (Fig. 2, not shown) the register 7 is replaced by serially connected registers (11, 12) of three bits and sixteen bits respectively, with data from circuit 6 being entered into the registers during the first calculating cycle and the registers recycling during the second cycle. The selection circuit 4 of Fig. 4a comprises a bi-stable 19 set by the signal on lead 8 and OR gate 27 enabled by the negated signal on lead 9 in the first cycle to apply the correction digits K via AND gate 20 and OR gate 22 to the adder. In the second cycle AND gate 21 is primed when bi-stable 19 is not set to apply the second correction digits K 0 , AND gate 20 being primed when the bi-stable is set to apply the first correction digits K. The selection circuit of Fig. 4b (not shown) is only for use with binary coded decimal digits in which the second correction digit is zero and comprises a first AND gate (24) enabled during the first cycle to transmit the correction digit to the adder via an OR gate (25) and a second AND gate (23) enabled during the second cycle when the signal on lead 8 is "1" to transmit the same correction digits.
Patent GB-467650-A (GB)
Title: Manufacture of dyestuffs of the anthracene series
IPC: C09B6/00
Filed: 1935-12-24
Abstract: Dyestuffs are obtained by condensing aceanthrenone with an isatin in the presence of an alkali and heating the product with caustic alkali.  Chlorisatins, bromisatins, halogen-alkylisatins and isatins containing instead of the benzene ring a polynuclear isocyclic ring system may be used in the condensation, isatin, 6-methylisatin, and 5 : 7-dichlorisatin being employed in the examples.  Alcoholic caustic potash is used for the final heat treatment.  The dyestuffs dye cotton and viscose artificial silk green shades.
Patent GB-1108398-A (GB)
Title: Light sources for markers, buoys and the like
Inventor: GUTHRIE DAVID GRAHAM
IPC: C09K11/04
Filed: 1965-08-19
Abstract: A self-luminous light source comprises a tube or combination of tubes, which may be of glass coated internally with ZnS or CdS and containing tritium or krypton 85, shaped into rectilinear, coil, zig-zag, re-entrant, circular or convolute form, the volume of the tube bore being much less than a cylinder of the same overall dimensions as the shaped tube form, but of similar luminescent dimensions.  The helical coil construction is preferred since a large portion of the interior surface of the coils is visible from the exterior.
Patent GB-885106-A (GB)
Title: Improvements relating to flue terminals
Inventor: DANCE ERIC WILLIAM GEORGE
IPC: F23L17/02
Filed: 1959-10-21
Abstract: 885,106. Flue terminals. GAS COUNCIL. Oct. 12, 1960 [Oct. 21, 1959], No. 35714/59. Class 25. A flue terminal comprises an inverted truncated conical tube having at its lower end a part arranged to be fixed to the end of a flue pipe and at its upper, wider end a conical annular flange extending outwards and towards its lower end, a circular cover attached coaxially to but spaced from the upper end of the tube and a number of annular conical rings fixed between the cover and the flange, the angle of the conicity of the rings being greater than that of the flange. The inverted conical tube 1 has a tube 2 and socket 3 attached to its lower end for location of the flue terminal and the conical annular flange 5 attached to its upper end. The conical annular rings 6 are secured above the flange by spaced webs 7 secured to the tube 1 which webs also support the upper circular cover 4. The distance between the upper end of the tube 1 and the cover is substantially equal to half the internal diameter of the narrower end of the tube 1, the length of which is substantially equal to the internal diameter of its narrower end.
Patent GB-880077-A (GB)
Title: Improvements in the production of 2,3-dichlorobutadiene-1,3
IPC: C07C17/00
Filed: 1959-10-22
Abstract: 2.3-Dichlorobutadiene-1,3 is prepared by contacting 1,4-dichlorobutyn-2, at a temperature of 20-150 DEG C, with a liquid catalyst obtained by mixing cuprous chloride with a substance providing chloride ions, e.g. hydrogen chloride, amine hydrochloride, and ammonium, alkali metal, or alkaline earth chlorides.  The 2,3-dichlorobutadiene-1,3 is removed as it is formed, for example by distillation, or solvent extraction followed by distillation.  The catalyst complex may be introduced as such, or prepared in situ, and a solvent such as carboxylic acid amide, dimethylformamide, formamide, N-methylacetamide, N,N-dimethylbenzamide, N,N-diethylbenzene-sulphonamide and tetramethylurea may be present, or the catalyst may be fluid at the reaction temperature, e.g. cuprous chloride and methylamine, dimethylamine or ethylamine hydrochloride and a solvent is not present.  The 1,4-dichlorobutyne-2 may be prepared by reacting 2-butynediol-1,4 with phosgene, and decomposing the bischloroformate produced.  In an alternative process, 2-butynediol-1,4 is contacted under strongly acidic conditions at a temperature of 60-150 DEG C, with the liquid cuprous chloride catalyst complex above, the acid being present in an amount equivalent to at least 0.5% by weight of free hydrogen chloride and in addition at least two moles of hydrogen chloride for each mole of 2-butynediol-1,4, and the 2,3-dichlorobutadiene-1,3 which forms is removed.
Patent GB-869805-A (GB)
Title: A member for snapping into an apertured support and an electrical switch including acid member
Inventor: HEATH CLARENCE WILLANS
IPC: H01H37/70
Filed: 1958-11-10
Abstract: 869,805. Thermal switches; hand-actuating devices for switches. CARR FASTENER CO. Ltd. Oct. 12, 1959 [Nov. 10, 1958], No. 36064/58. Class 38 (5). [Also in Group XXV] A member for snapping into an apertured support comprises a series of integral resilient fingers, at least one of which has an integral stop member thicker than the finger, and an integral rod which projects beyond the free end of the fingers. The invention may be applied to the re-set button 7 of a thermal switch, the button depressing a contact blade 2 by means of a rod 10 to allow the bi-metallic strip 4 to return to normal after cooling. A series of resilient fingers 8, each with a thickened stop member 9 having a bevelled edge, are disposed in a circle. The resilience of the fingers 8 allows them to be pressed through a circular aperture in a mounting member 6.
Patent GB-837766-A (GB)
Title: Firing pin mechanism for hand grenades
IPC: F42C14/02
Filed: 1956-11-27
Abstract: 837,766. Fuzes for hand grenades. SUNDEN, K. H. Nov. 27, 1956, No. 36182/56. Class 9(1) The firing pin mechanism 2 of a hand grenade 1 housing a detonator 4 comprises a striker 6 integral with the firing pin 3 and stressed by a spring 9 surrounding the striker pivot 8. A lever 12 holding the striker in the cocked position has a hooked end 13 engaging a lip 14 of the frame 7. During storage and transport the handle 12 is secured by a safety pin 15, one leg 16 of which is passed through openings in the frame 7 and side portions 18 of the handle. Covered by the portions 18 are holes 17 through which a wire can be threaded, when the handle has been rotated, to immobilize the striker for inspection purposes. The striker 6 integral with the pin 3 is formed from sheet metal and consists of two side pieces 21, Figs. 3 and 5, connected by a portion 20 from which protrudes the pin 3. The side pieces 21 have apertures 23 to receive the pivot pin 8 and the distance between them is greater than the width of the primer 5 of the detonator 4. A cam surface 24 on each piece 21 extends above the frame 7 when the striker is in the released position, so that the handle 12 cannot be secured in that position. The portion 20 has grooves 27 in one surface to accommodate the ends of the spring 9 and corresponding ridges on the opposed surface which rest on the primer 5 when the pin 3 hits the primer to provide channels for the gases from a time fuze 29 ignited by the primer. An additional safety device may be used to secure the handle 12, which device, made from sheet metal, pivots on the handle 12 and engages projections from the frame 7. The device also carries a leaf spring engaging the end 13 of the handle and is provided with a thumb grip by means of which the device may be released as the grenade is thrown. Specification 837,767 is referred to.
Patent GB-983522-A (GB)
Title: Improvements in or relating to domestic ironing machines
IPC: D06F/
Filed: 1962-09-24
Abstract: 983, 522. Ironing machines. T. BERG. Sept. 24,1962 [Sept. 26,1961], No. 36249/62. Heading D1A. In an ironing machine comprising an ironing roll 1 and an ironing shoe, the roll 1 is driven by a motor 15 which is mounted inside roll 1 together with a pump 26 which delivers pressure medium to a pressure cylinder 12 for pivoting roll 1 and the shoe relative to one another. The motor 15 drives roll 1 through a pinion 16, a pressurefluid clutch 17,18,19 and pinions 21... 24. The diaphragm pump 26 is driven by motor 15 through an eccentric 25 and supplies fluid through a line 27 and a check valve (not shown) to a pressure accumulator 28 communicating with a distributer valve 14. Fluid is routed by valve 14 either to cylinder 12 to bring roll 1 down towards the ironing shoe against a return spring, or to inflate the diaphragm 19 of clutch 17,18,19 to engage the clutch. If the pressure in the accumulator 28 exceeds a certain value a valve 34 having a diaphragm 35, rod 36, spring 37 and ball 38 is actuated through a line 33 to prevent further supply of fluid to accumulator 28. The ironing pressure may alternatively be produced electromagnetically.
Patent GB-1027219-A (GB)
Title: Thermocouple carrying plug
Inventor: THOME PAUL
IPC: G21C17/10
Filed: 1964-09-04
Abstract: 1,027,219. Brazing. COMMISSARIAT A L'ENERGIE ATOMIQUE. Sept. 4, 1964 [Sept. 23, 1963], No. 36379/64. Heading B3R. [Also in Division H1] A plug in which the sheath surrounding the wires of a thermocouple is brazed comprises an inner part 1 having a frusto-conical end 3 force fitted into an axial recess 4 in an annular outer part 2, the parts having a bore 6 in which the sheath is brazed using brazing material introduced through transverse bores 7, 8 and the two parts having transverse apertures 5, 10 for the introduction of an anti-wetting substance to restrict the brazing area. The thermocouple sheath (not shown) is placed in the bore 6 of part 1 and an anti-wetting agent, e.g. suspension of alumina in alcohol or acetone is introduced into the bore 5 and into the aperture 10, the two parts are force fitted together, a slot 12 over the whole length of the part 1 providing resilience. Brazing material is introduced into mating orifices 7 and 8 in the parts 1 and 2 and brazing of the sheath is effected. The complete plug is then welded at 13 to a capsule 11. The part 2 may have cooling fins.
Patent GB-1445114-A (GB)
Title: Regulated high voltage power supply circuit
IPC: G05F1/46
Filed: 1973-07-31
Abstract: 1445114 Controlling EHT supply in TV receivers MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 31 July 1973 [1 Aug 1972] 36407/73 Heading H2F A regulated high voltage D.C. supply, e.g. for a TV receiver, of the type in which the line flyback is rectified at 12, is regulated by connecting the main winding 7 of a saturable reactor in series with the primary 10 of the line output. transformer and having its control winding 6 controlled in dependence on the beam current or anode voltage of the cathode-ray tube. The supply includes an output transistor 1, shunt fed via a choke 5 and coupling capacitor 9 and preferably feeding deflection coils 3 via an S- correction capacitor 4. A voltage proportional to the beam current is monitored at the cathode 22 of the cathode-ray tube 13 and after amplification at 19 makes appropriate adjustment to the control current in winding 6 of the saturable reactor so as to stabilize the EHT voltage at the anode. A further control signal is derived at 28 for beam current limitation. In Fig. 2 (not shown) the control winding 6 is; bridged by a capacitor and connected in series with inductor 5. In Fig. 5 (not shown) the amplifier 19 is supplied from a potential divider across the cathode-ray tube anode supply. In Fig. 6 (not shown) a resistor capacitor combination is connected between the lower end of the EHT winding 11 and ground and develops an input for amplifier 19.
Patent GB-877386-A (GB)
Title: Electroplating solution for the deposition of corrosion resistant chromium upon metals
IPC: C25D5/30
Filed: 1957-11-25
Abstract: 877,386. Electroplating with chromium. GENERAL DEVELOPMENT CORPORATION. Nov. 25, 1957 [June 27, 1957], No. 36602/57. Class 41. Silicon dioxide having a particle size of submicroscopic or colloidal dimensions is added to an aqueous chromium plating bath containing chromic acid. Preferably the bath contains also sulphuric acid to give a ratio of CrO3 : H2SO4 of from 50 to 200 : 1. Typically, a bath containing per gallon of water 20 ozs. chromic acid, 0.2 oz. sulphuric acid and 0.2 oz. colloidal silica of particle size 0.015 to 0.2Á is used at 142‹ F. with a cathode current density in the range 1“ to 6 amps./sq. in. may be used to plate directly on to metal, such as a bare aluminium surface.
Patent GB-1393097-A (GB)
Title: Speed responsive governor mechanisms
IPC: G05D13/02
Filed: 1971-08-04
Abstract: 1393097 Speed governors JOSEPH LUCAS (INDUSTRIES) Ltd 28 July 1972 [4 Aug 1971] 36625/71 Heading G3B A speed governor comprises a sleeve 18 regulating fuel to a turbine, and moved longitudinally in response to the centrifugal force of weights (30) Fig.1, (not shown), a forked lever 36 abutting the sleeve, pivoted at 37, housing a cam surface 39, a second lever 49 housing a cam surface 50, and third and fourth levers 55, 56 housing respective ends connected by the governor main spring 59 and the other ends biased against respective cam surfaces 39, 50, the third and fourth levers being pivotally connected by a member 52 which is mounted above an axis 53. The desired engine speed is selected by a lever 64 connected to lever 52. Besides the spring 59 the sleeve 18 is also subject to a loading by the pressure of fuel. The cam surfaces 39, 50 are adjusted in accordance with other engine parameters by cams 44, 48. Cam 44, rotatable by a temperature dependent signal acts on a lever 40 pivoted at 41. Cam 48 rotatable by a fuel mixture signal acts on a lever 46 which is pivotably mounted on the lever 40 intermediate its ends and on the second lever 49 at one of its ends. Levers 46 to 40 are biased apart by a spring 54.
Patent GB-1175284-A (GB)
Title: Improvements relating to Heat-Exchangers.
Inventor: GREAVES BRYAN HAROLD
IPC: F24H3/06
Filed: 1967-08-10
Abstract: 1,175,284. Fluid heaters. A. E. GREAVES & SON Ltd. 5 Aug., 1968 [10 Aug., 1967], No. 36757/67. Heading F4S. An air or other fluid heater comprises a central chamber 4 on either side of which an exhaust flue 5 is spacedly disposed so as to leave therebetween a passage 28 for the fluid to be heated, the chamber 4 having at one end both an inlet 11 through which gas or a combustion mixture is discharged into the chamber and also outlet apertures 14 and ducts 15 through which the gas or mixture is discharged into the flues. The chamber is of oval form with elongated, parallel vertical sides 6 and has the inlet 11 offset relative to the longitudinal horizontal axis of the chamber. A baffle 20 extends across the end of the chamber adjacent the inlet and outlet apertures to prevent direct flow of the gas from the inlet to outlet. The gas passes along the flues to a collector box 31 in a zig-zag path caused by spaced baffles 30 and the air to be heated flows vertically through the passages 28 from an inlet 41 in an outer casing 3 around the heater under the influence of a fan (not shown).