baber/WOPTO huggingface dataset:
Patent GB-601448-A (GB)
Title: Two-temperature refrigerator
IPC: F25D11/02
Filed: 1944-12-28
Abstract: 601,448. Refrigerators. PHILCO RADIO & TELEVISION CORPORATION. Dec. 28, 1944, No. 26023. Convention date, Dec. 28, 1943. [Class 29] A sharp-freezing compartment 8 located beneath the main food compartment 4 has an access opening 23 at its upper part and is closed at the bottom and sides, evaporator elements being provided to cool the compartments to different temperatures. The sharp freezing compartment is in the form of a well arranged in front of the machine space 13 and as shown is separated from the food compartment, being closed by seals 25, 25b on the door 24 which closes both compartments. Evaporator coils 10 of a primary refrigerating system surround the sharp-freezing compartment and pass beneath the floor 15 of an ice tray compartment 16 separated from the food storage space 4 by a glass partition 17 sealed by a gasket strip 25a on the door. The evaporator 19 of a secondary refrigerating system surrounds the food storage space, the condensing portion 20 being in heat exchange with an evaporator portion 21 of the primary system. In a modification the compartments 4 and 8 are in open communication.
Patent GB-424352-A (GB)
Title: Improvements in and relating to circular rib knitting machines
IPC: D04B9/10
Filed: 1933-09-21
Abstract: 424,352. K n i t t i n g - m a c h i n e s. BROOKSBY, E., 23, St. John's Road, WILLIS, F., 8, Curzon Avenue, Birstall, and RAVEN & CO., Ltd., W., Wheat Street, all in Leicester. Sept. 21, 1933, No. 26037. [Class 74 (ii)] In yarn-changing means employing multiple trappers, each yarn that is out of action is clamped between a pair of jaws or blades, the arrangement being such that only those blades of the series are opened, between which that particular yarn is located. The invention is described in connection with a machine with a stationary dial but is applicable to other machines. The blades 29 .. 32 are mounted on a common pivot 33 and normally held in close contact against an abutment 28 by springs. Each blade is controlled by a slide such as 21 operated by a plunger 26 movable to various heights to catch the staggered ends 22 .. 25 of the slides. The Figure shows an end 24 being pushed in to separate the blades 31, 32 and release the corresponding yarn. The blades 29, 30 are displaced in a clockwise direction without separating from the blade 31. The plunger 26 also engages an abutment on a fifth slide, carrying a pivoted cutter blade, whatever the position of the plunger. A wire 49 prevents yarns from passing too far into the space between the blades as any yarn is withdrawn.
Patent GB-945706-A (GB)
Title: Production of conjugated diolefines
Inventor: BARCLAY JOHN LYNN
IPC: C07C11/167
Filed: 1961-07-19
Abstract: Butadiene or isoprene is obtained by isomerizing butene-2 to butene-1 or 2-methylbutene-2 to 2- or 3-methylbutene-1 and subsequently or simultaneously dehydrogenating the product in the vapour phase with molecular oxygen and an oxidation catalyst.  A suitable isomerization catalyst is used, e.g. chromiaalumina, phosphoric acid, alumina or silica and is in a separate bed or mixed with the oxidation catalyst which may be bismuth tungstate or molybdate, mixtures of antimony and tin oxides, or phosphoric acid on alumina or tin oxide.  Where the isomerization and oxidation are effected simultaneously, the catalysts are different and are mixed.  Oxidation is effected with a feed mixture containing up to 20% vol. olefin and 21% oxygen at 200-500 DEG C. and a contact time of 1-30 seconds.
Patent GB-1343443-A (GB)
Title: Photographic supersensitized silver halide emulsions
IPC: G03C1/12
Filed: 1971-04-19
Abstract: 1343443 Trimethine cyanine dyes FUJI PHOTO FILM CO Ltd 19 April 1971 [2 April 1970] 26112/71 Heading C4P [Also in Division G2]  The triethylamine salt of anhydro-3,3<SP>1</SP>-di-(γ- sulphopropyl) - 5 - methoxycarbonyl - 5<SP>1</SP> - methyl- 9 - ethyl - thiacarbocyanine hydroxide, is prepared by heating at 110‹ C. 5-methyl-3-(γ- sulphopropyl) - 2 - thiopropionyl - methylenebenzothiazoline and methyl p-toluene sulphonate, adding the products in ethanol to anhydro - 5 - carbomethoxy - 3 - (γ - sulphopropyl)- 2 - methylbenzothiazolium hydroxide and triethylamine and refluxing. Dyes of the formulµ wherein Z 1 , Z 2 , Z 3  and Z 4  each represent S or Se; R 1  is H or 1-6 C alkyl; W is H, halogen, 1-6 C alkyl, alkoxy, OH or aryl, A and B each represent polymethylene or alkylpolymethylene, M<SP>+</SP> is H<SP>+</SP>, a metal cation or an organic amine cation; R 2  and R 3  each represent 1-6 C alkyl or substituted alkyl, e.g. allyl; X- is an anion and n is 0 or 1, n beng 0 when the dye forms an intramolecular salt.
Patent GB-1080936-A (GB)
Title: Improvements relating to electronic musical instruments
IPC: G10H1/40
Filed: 1965-06-22
Abstract: 1,080,936. Electrophonic instruments. SEEBURG CORPORATION. June 22, 1965 [June 26, 1964 (3)], No. 26252/65. Heading G5J. In a repetitive instrument used with a main instrument, a pulse generator 11, Fig. 1, operates at a multiple, e.g. twenty-four times the basic rhythm frequency, and feeds a divider 14 consisting of scale of three and binary stages. The outputs of the divider or counter 14 are connected to a matrix of diodes, resistors and capacitors, Fig. 2 (not shown), to provide various logical circuits. The AND circuits (27) and OR circuits (37) are connected to inputs (30) and (38) respectively of a selector switch (28), Fig. 3 (not shown), which controls the operation of rhythym instrument stops (29) feeding an audio section (31) which also has a melody input (32) and pedal keyboard (33). Certain of the pulses in the recurring sequence are selected, Figs. 1 and 5 (not shown), by employing the correct waveforms from divider 14 in combination, together with a differentiated pulse. In order to keep the instrument in time with the player, a pulse is fed to terminal 58, Fig. 1, each time the pedal board is operated. This pulse is gated by the output of a two-state trigger pair 62 so that it is only effective when it occurs just before or after the expected time of occurrence which is determined by the connection between the pair 62 and the selected outputs of the divider. The gated pulse causes a relay 59 to operate and feed an output from the divider 14 to an integrator 41 consisting of a resistor 63 and capacitor 42 in a feedback amplifier 51, 52. The resulting potential on the capacitor is applied over emitter follower 44 to control the frequency of operation of uni-junction transistor 55. By operating a switch 45, the frequency of the oscillator is held at a fixed value. In a modification, Fig. 6 (not shown), two ring counters (120) are employed to feed a diode logic matrix (125), the counters employing transistors, tunnel diodes or neon tubes.
Patent GB-804258-A (GB)
Title: Improvements relating to structural members for forming frames
IPC: E06B3/263
Filed: 1956-08-28
Abstract: 804,258. Frames for doors, and windows; glazing. POUR L'INDUSTRIE DE L'ALUMINIUM S. A. Aug. 28, 1956 [Aug. 29, 1955], No. 26291/56. Addition to 768,499. Class 20(3) A light metal structural member for a window, or door, frame is approximately Z-shaped in section and has one flange 10 joined to a central web 1 by means of a strip 6 of heat insulating and elastic, non-thermoplastic resin, e.g. synthetic rubber, the latter, extending across the whole width of the web 1, being provided with a longitudinal cavity 2 to receive an angle member, not shown, for making e.g. a mitre, or bevel, corner joint. The strip 6, having a central cavity 7 for increasing the resistance to heat flow, engages the milled surfaces 16, 17 of dovetail grooves formed respectively in the flange 10 and the web 1. The cavity 2 has a longitudinal opening 3 for securing, by means of spring pawls 4, a separate glazing strip 5, a groove 11 on the inside of the flange 10 serving to receive an angle member, not shown, for accurately aligning the abutting flanges 10 of meeting structural members. A second groove 12 is for receiving glazing putty, or an elastic packing strip, depending upon whether the structural member is used respectively for a movable or stationary frame. A groove 13 on the inner face of the flange 10 is designed to receive an edge of a springing part of a self clamping weather strip, not shown, and the flange 8 has a stop 9.
Patent GB-705265-A (GB)
Title: Improvements relating to heat-exchange apparatus
IPC: F28D19/00
Filed: 1950-10-27
Abstract: 705,265. Heat-exchangers; heat-transmitting media. NALLINGER, F. Oct. 27, 1950 [Oct. 29, 1949], No. 26292/50. Classes 64(2) and 64(3) In apparatus for the exchange of heat between'two gases by means of circulating liquid intermediary, the gases are conducted through tortuous ducts in the region of the liquid intermediary in such a manner that heat is transferred from one gas to the other both through the liquid intermediary and through a wall common to both gas ducts. Individual duct elements I for the heat transfer liquid may be interconnected in parallel (as shown) or in series. In the form shown, the ducts g<SP>1</SP>, g<SP>2</SP> for the respective gases are of zig-zag form and are separated from one another by a common heat-exchanging wall q, the heat transfer liquid first progressively absorbing heat from the hot gas in duct g' and then progressively giving up this heat to the cold gas in duct g<SP>2</SP>. Alternatively, the gas ducts g<SP>1</SP>, g<SP>2</SP> may be interleaved one with the other such that the ducts l carrying the heat transfer liquid pass through alternating hot and cold gas duct portions Figs. 2 and 3 (not shown) so that the temperature of the heat transfer liquid remains substantially constant. The heat transfer liquid is circulated by a pump P and may comprise water, or gas in the critical state of pressure or a molten metal such as sodium or caesium.
Patent GB-687263-A (GB)
Title: Improvements in or relating to space heating radiators for central heating systems
IPC: F28D1/053
Filed: 1947-09-29
Abstract: 687,263. Radiators for heating buildings; tubular heat-exchange elements. GES. DER LVON ROLL' SCHEN EISENWERKE AKT.-GES. Sept. 29, 1947 [Sept. 30, 1946], No. 26315/47. Classes 64 (ii) and 64 (iii) The tubes 1 of a space-heating radiator are elongated in cross section at their ends 5 which are joined to headers 4, the major cross sectional axes of the ends extending in the longitudinal direction of the headers; the main parts 6 of the tubes are flattened, e.g. as in Fig. 11 or Fig. 13, the major cross sectional axes of these parts extending transversely at any angle A from 0 degrees to 90 degrees to those of the ends 5. There are described various cross sectional shapes of the main tube parts 6 including oval, elliptical, eggshaped and 8-shaped as well as the pear-shape shown in Fig. 11. In a modification there are no spaces 7, such as are shown in Fig. 3, between the tube ends 5. The apertures in the headers, where the tube ends 5 connect, may have rounded or angular corners. Radiator units, each comprising two headers 4 and the interconnecting tubes 1, may be arranged in close parallel relationship, Fig. 20, the headers of the units having bosses 9 interconnected by welding or by nipples. In another form with parallel radiator units, Figs. 16, 17 (not shown), the headers are interconnected by end manifolds, the tubes in any unit being aligned or staggered with regard to those in adjacent rows. The Specification as open to inspection under Sect. 91, comprises also radiator tubes of which the main parts are circular or polygonal in cross section. This subject-matter does not appear in the Specification as accepted.
Patent GB-1180962-A (GB)
Title: Improvements in Quick Release Fasteners.
Inventor: SMITH HOWARD JOHN LEONARD
IPC: F16B21/04
Filed: 1967-06-07
Abstract: 1,180,962. Stud and socket fastenings. DZUS FASTENER EUROPE Ltd. 17 May, 1968 [7 June, 1967], No. 26332/67. Heading E2B. A resilient plastics retaining member for a stud comprises a base portion 6 with an apertured boss 7 integral with webs 5 extending to a hole 9 with two shaped surfaces. The boss has a pair of lips 20 which are engaged behind a panel attachable to the boss. The boss and base are slotted to provide resilience. The stud has a split washer 17 which secures a second panel on the stud. The stud is inserted in the apertured boss and lugs 16 on the end engage the shaped surfaces and engage in indented portions 11 against end stops 12. The resilience of the retaining member allows panels of various thicknesses to be retained by the fastener.
Patent GB-691619-A (GB)
Title: An improved method of treating frozen commodities
IPC: A23B4/10
Filed: 1950-10-30
Abstract: Commodities such as beef, poultry, or fish which have been quick-frozen are given protective coatings by spraying with or immersion in a molten thermoplastic polymerized substance of melting point above 100 DEG  C., e.g. a polythene composition of m.pt. 160 DEG  C.
Patent GB-387394-A (GB)
Title: Improvements in electric switches and the mounting thereof on the cylindrical handles of vacuum or suction cleaners and other appliances
IPC: H01H21/10
Filed: 1931-07-24
Abstract: 387,394. Switch handles. AIR-WAY ELECTRIC APPLIANCE CORPORATION, 2101, Auburn Avenue, Toledo, Ohio, U.S.A. -(Assignees of Riebel, F. and Dow, D. M. ; c/o Air-way Electric Appliance Corporation, Auburn Avenue, Toledo, Ohio, U.S.A.) July 24, 1931, No. 26512/32. Convention date, May 20, 1931. Divided on 386,999, [Group XXVIII]. [Class 38 (v).] A switch adapted to be attached to the cylindrical handle 12 of a suction-cleaner or other device is operated by a rotatable ring 10 having a projecting finger 30 a slot in which engages a tumbler lever 21 which actuates through dead-centre toggle mechanism contact arms 31, 32. The switch mechanism is slid as a unit into a case 1 having an integral portion 2 encircling the handle 12.
Patent GB-1035396-A (GB)
Title: Chemical process for the manufacture of vinyl ethers
Inventor: OLIVER DAVID WILLIAM HARRY
IPC: C07C69/01
Filed: 1964-06-26
Abstract: Vinyl ethers are prepared by reacting acetylene or a substituted acetylene with aliphatic alcohols at elevated temperature in the presence of a molten catalyst comprising at least one alkali metal hydroxide.  Substituted acetylenes include methylacetylene and suitable alcohols include C1- 6-alkanols, glycols and glycol monoethers Mixtures of KOH with NaOH or LiOH may be used.
Patent GB-1433256-A (GB)
Title: Gas discharge display devices
IPC: H01J17/49
Filed: 1973-06-04
Abstract: 1433256 Gas discharge display panels MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 4 June 1973 [2 June 1972 24 June 1972 (2) 20 Dec 1972] 26624/73 Heading H1D A display device comprises an envelope 1, two generally planar and parallel or copolanar main electrodes 2 and 3, one of said electrodes being adapted to serve as a cold cathode 2 and the other of said electrodes being adapted to serve as an anode 3, said anode permitting the passage of current carriers generated between said main electrodes to a cathodo-luminescent panel structure 4 positioned adjacent said anode electrode, said structure 4 comprising a transparent support plate 7, a transparent electrode 5 on said plate and a phosphor layer 6 on said transparent electrode, said phosphor layer 6 being on the side of said transparent electrode 5 facing said anode 3. Cold cathode 2 may be a metal plate or open box (Fig. 9, not shown) and anode 3 may be a metal plate with slots or circular apertures or a grid or lattice (Figs. 6, 7 and 8, not shown). Alternatively the anode and cathode may be formed by connecting alternate wires of an array of parallel wires in common, or a set of anode wires may be mounted in grooves in a cathode plate (Figs. 10 and 11, not shown). A negatively biased grid may be located on the side of the anode and cathode wires remote from the display structure (Fig. 12, not shown). Electrode 5 may be divided into a plurality of groups of seven segments in figure 8 layout (Fig. 2, not shown) or into any other desired pattern. The electrodes 2 and 3 may be of Ni, Mo, W, Ti, or Al and the electrode 5 of tin oxide, titanium oxide, or indium oxide. The gas filling may be H, He, Kr, Ne, A, N or mixtures thereof at a pressure from 10-1 to 10 torr. In alternative embodiments (Figs. 3, 5 and 13, not shown) the electrode 5 is divided into a plurality of strips arranged at right-angles to a system of parallel anode wires to provide an x-y matrix display system. The strips may be arranged in groups of three coated with different phosphors for colour display, and the anode wires may be in groups of three with the side wires of a group biased to a lower potential than the central wire to concentrate the discharge.
Patent GB-898583-A (GB)
Title: Improvements in or relating to arc welding guns
IPC: B23K9/12
Filed: 1960-08-02
Abstract: 898,583. Welding by fusion. CATERPILLAR TRACTOR CO. Aug. 2, 1960 [Aug. 24, 1959], No. 26684/60. Class 83 (4). In a consumable electrode arc welding gun in which the contact device is spaced from the electrode tip by a distance sufficient to create substantial resistance heating in the electrode, a guide extends from the contact means to a point adjacent the electrode tip to prevent flexing of the electrode when softened by the resistance heating. The guide is a tube 30 of insulating material, e.g. ceramic, aluminium oxide, porcelain or zirconia, attached to the contact device 16 to which the electrode 10 is fed through a flexible tube 15 having a helically wound steel wire core 13. Flux from an inlet 24 is passed through a housing 17 and a nozzle 21 adjustable axially. In operation the nozzle 21 contacts the edges of a V-groove between plates being welded and so guides the gun.
Patent GB-1490313-A (GB)
Title: Process for the preparation of amino compounds
IPC: B01J23/00
Filed: 1975-06-24
Abstract: 1490313 Preparation of amines BAYER AG 24 June 1975 [28 Nov 1974] 26720/75 Heading C2C The invention comprises a process for the preparation of amines (e.g. m-diaminobenzene, o-diaminobenzene or 2,4- and 2,6-diaminotoluenes) by liquid phase catalytic hydrogenation of the corresponding nitro compounds (e.g. m-dinitrobenzene, o-nitroaniline, and 2,4- and 2,6-dinitrotoluene) in the presence of a diluent which is inert to the reactants and products and which dissolves the nitrocompound but not its hydrogenation product. Several diluents are listed but examples describe the use of cyclohexane, tetraisobutane, iso-octane and triisodecane.
Patent GB-677887-A (GB)
Title: Pulsed magnetron
IPC: H01J25/587
Filed: 1948-10-14
Abstract: 677,887. Magnetrons; magnetic - induction accelerators. NOURSE, O., and BUCKING- HAM, J. Jan. 9, 1950 [Oct. 14, 1948], No. 26787/48. Class 39 (i). [Also in Group XXXV] A magnetron has its anode block formed as an electrical pulse transformer secondary winding which is made as a thick-walled metal ring 1, which is interrupted at 6 so that it does not form a closed ring, and which has a narrow axial bore 5 in which the flux is concentrated, the bore being made short by recessing, at 4, the edges of the ring. The secondary current flows around the circumference of the ring 1, down one face of gap 6, around the bore 5 where its field assists that of the primary current, and up the other face of the gap. The secondary ring 1 is mounted by tubes 19 which carry cooling fluid, on a base 17 which carries a vacuum-tight glass envelope 7 around which is wound the primary winding 2. An indirectly - heated cathode 10 mounted on a support 13 is located inside the bore 5 which is formed as or fitted with a multi-resonator magnetron anode block of the rising-sun type. By pulsing the primary winding in synchronism with the anode voltage pulses, a much higher current than is permissible with steady D.C. can be used. Fig. 5 shows the provision of a directly-heated cathode 23 carrying a part of the primary current, to produce a field which accelerates the electrons in circular paths from which they give up energy to excite the resonant cavities.
Patent GB-883237-A (GB)
Title: An improved method of controlling casting machines
IPC: B22D13/02
Filed: 1959-08-05
Abstract: 883,237. Casting-machines. RHEINSTAHL EISENWERKE GELSENKIRCHEN A.G. Aug. 5, 1959 [March 28, 1959], No. 26802/59. Drawings to Specification. Class 83 (1). The control system of a casting-machine, particularly a centrifugal casting-machine, receives a control signal due to the poured metal closing the circuit between the pouring means and the metal mould.
Patent GB-827617-A (GB)
Title: Gear wheels
IPC: F16H55/08
Filed: 1956-09-03
Abstract: 827,617. Toothed gearing. MUTO, S. Sept. 3, 1956 [Feb. 21, 1956], No. 26835/56. Class 80 (1). Gear-wheels particularly for use in gear pumps are generated from a basic rack, the tooth form of which, perpendicular to the tooth or axis thereof, is made up of two oppositely-disposed arcs a, a<SP>1</SP>, the centres of which lie a small distance on opposite sides of the pitch line to the teeth. The arcs may join at a common tangent point or they may be connected by short tangent lines. The gears may be straight spur or helical.
Patent GB-807710-A (GB)
Title: Improvements in or relating to grinding attachments
IPC: B24B41/00
Filed: 1957-08-26
Abstract: 807,710. Internal grinding. M.S.O. MASCHINEN-UND SCHLEIFMITTELWERKE A.G. Aug. 26,1957 [Sept. 7,1956], No. 26865/57. Class 60. A grinding attachment adapted for connection to the spindle of a drilling machine comprises an internal grinding spindle 20, 21 which is carried by a bush 22 pivotally-connected by a pivot pin 23 to a bearing ring 24 arranged so as to be concentric with and driven by the drill spindle through a countershaft 7 and transmission means when the attachment is connected thereto, and a toothed rim 26 rotatably mounted by the bearing ring, coupled to the bush by a coupling pin 28, and arranged to be driven by the countershaft and transmission means at the same speed as the bearing ring. The countershaft, which is dispersed in a lateral extension 8 of a housing 2, is driven by gearing 4, 5, 6 from a shaft 3 coupled to the drill spindle and has secured to it a bush 9 with radial extensions 10, 11 on which are freely-rotatable bevel gears 12, 13. The gears engage, on one side of the bush, a bevel gear 14, which is rotatable on the shaft 7 and secured to a wheel 16 engaging a hand-controlled worm 17, and, on the other side a freelyrotatable bevel gear 15 secured to a gear 18 meshing with the toothed rim 26 which is rotatably-secured to the bearing ring 24 between lugs 29 formed in the bush 22 and extending into radial slots in the bearing ring. A further gear 19, secured to the shaft 7, engages a toothed rim 25 fixed to the bearing ring 24. The toothed rim 26 carries a pin 28 co-operating with a radial slot in a forked arm 27 provided on the bush 22 so that, with the countershaft 7 stationary, rotation of the worm 17 causes the gear 18 and the toothed rim 26 to rotate and the pin 28 to pivot the bush about the pin 23 in the bearing ring and radially displace the grinding wheel spindle : the amount of movement can be determined by a substantially-linearly graduated scale 30 associated with the worm 17. With the worm 17, and hence the gear 14, stationary, rotation of the countershaft 7 causes the bevel gears 12, 13 to drive the gear 18 at twice the speed of the shaft 7 and gear 19, but, since the velocity ratio between the gear 18 and rim 26 is twice that between the gear 19 and rim 25, both rims 25, 26 are driven at the same speed to rotate the bearing ring carrying the bush and grinding spindle. Additional movement to the gear 18 caused by rotation of the worm 17 adds to or substracts from the movement of the rim 26 to move the spindle radially inwards or outwards.