baber/WOPTO huggingface dataset:
Patent GB-839464-A (GB)
Title: Magnetic sound recorder
IPC: G11B15/50
Filed: 1956-07-19
Abstract: 839,464. Magnetic recording &c. apparatus. LOEWE, S. July 19, 1956 [July 21, 1955], No. 22330/56. Class 40 (2). A sound recorder has the reels carrying the magnetic tape driven by friction couplings during high-speed running of the tape, the couplings being engaged by means of ball and socket joints the balls of which are out of contact with the sockets during normal running of the tape. For high speed running of the tape 1 to the left a lever 22 (Fig. 1) is depressed to engage the ball 24 with the socket 20 and a lever 23 is raised to engage the ball 25 with the socket 21 so that a disc 4 carrying the reel 2 is pulled into engagement with a disc 8 driven by the motor 10. The tape is driven at high speed to the right by raising the lever 23 and lowering the lever 22 to rotate the disc 5 carrying the reel 3. For normal running of the tape the levers are left in the position shown to disconnect the discs 8, 9 from the discs 4, 5 so that the tape is driven by the capstan 14. The pressure roller 37 (Fig. 2) for the capstan is mounted on a slide 39 having a brake block 38. The slide is moved to the position S to disconnect the pressure roller so that the tape may be run at high speed. The slide is moved to the position St to brake the reels. In a modification (Figs. 6-8, not shown) two oppositely rotating capstans are provided and the pressure roller is pivotally mounted on the slide to permit quick reversal of the tape drive. In the modification shown in Fig. 9 the capstan comprises contra rotating rollers 55, 56 connected to flywheels 57, 58 driven by a friction wheel 60, the whole of the capstan being movable vertically by a cam 63 on a shaft 64. The discs 4, 5 are coupled to the belt-driven discs (not shown) by downward pivoting of the levers 71, 72 by cams 69 mounted on the shaft. One end of the shaft carries a lever 75 which is connected by a link 77 to the slide 39, the arrangement being that the lever may rotate the shaft and reciprocate the slide. Movement of the lever to the positions NL, NR causes the pressure roller 37 to press the tape 1 on to the appropriate roller 55, 56 to give normal running of the tape to the left or right, the capstan being raised or lowered by the cam 63. Movement of the lever to the positions SL, SR moves the roller 37 and operates the levers 71, 72 so that the appropriate reel is driven and the tape moved at high speed to the left or right. When the lever 75 is returned to the stop position the brake is applied. The lever 75 may be held in its operative positions by magnetic forces or by springs. In a modi. fication the guide 76 for the lever 75 has two channels parallel to the centre line and leading from the positions NL and NR so that the lever may also control the operations of reproduction and recording. In a further modification (Fig. 13, not shown) the lever 75 in its operative positions closes contacts which energize solenoids to actuate the various parts of the recorder. In another modification a switch operated by the tape reverses the direction of tape movement as the end of a spool is reached.
Patent GB-703025-A (GB)
Title: Improvements in or relating to selenium rectifiers
IPC: H01L21/06
Filed: 1951-09-12
Abstract: 703,025. Selenium rectifiers. SIEMENSSCHUCKERTWERKE AKT.-GES. Sept. 24, 1951 [Sept. 23, 1950], No. 22332/51. Class 37 In a centre-contact selenium rectifier stack each rectifier disc has a counter electrode 5 applied as a pre-formed unit and fused on to the selenium layer 4 and pressure-receiving varnish ring 6. In manufacture the fusion action occurs during the temperature treatment producing conversion of the selenium layer into the conducting crystalline form. Each conducting spacer has an annular recess as shown. Details of suitable varnish  compositions are given in the Specification.
Patent GB-531794-A (GB)
Title: Improvements in or relating to thermostats
IPC: H01H37/54
Filed: 1939-08-02
Abstract: 531,794. Thermal switches. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Aug. 2, 1939, No. 22404. Convention date, Aug. 27, 1938. [Class 38 (v)] [Also in Group XIII] A bi-metallic actuating member is formed with two arcuate slots 30 defining a central strip 40 and two side strips 42. A circular hole 32 is formed midway between the ends of the slots, extending into the central strip, so that a support extending through the hole co-operates directly with the central strip as distinguished from the side strips. The member is then bowed and heat-treated so that the strip 40 is bowed downwardly more than the strips 42, the highexpansive side being upward. A snap action is thus obtained. The rivet 16 comprises a shank 38 which is passed through the hole 32 and spun over, and a shank 36 which is passed through the support 12 and spun over. The free end of the member carries an electric contact which co-operates with an insulated contact 20, carried by a plug 22 which is adjusted to vary the temperature at which the contacts open. In an alternative the bi-metallic member may be formed as in Fig. 6.
Patent GB-224034-A (GB)
Title: Improvements appertaining to loom dobbies
IPC: D03C1/06
Filed: 1923-09-06
Abstract: 224,034. Hill, E. Sept. 6, 1923. Dobbies.-In dobbies of the class wherein the draw-bars B are operated by vertical oscillating levers C, the brackets 2, which are pivoted on the levers and are formed with openings to receive the operating bolts or rods 3 connected to the links 5 spanning the draw bar are formed with extensions 4 having openings in their ends f to receive the rods &c. 3 to prevent breakage thereof. Nuts connect the rods &c. 3 to the brackets 2 and links 5.
Patent GB-466542-A (GB)
Title: Improvements in or relating to electric condensers
IPC: H01G2/20
Filed: 1936-08-14
Abstract: 466,542. Condensers. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Aug. 14, 1936, No. 22468. Convention date, Aug. 17, 1935. [Class 37] A method of manufacturing small condensers. of the order of or less than 100 ÁÁF, comprises applying layers of conductive material to the dielectric such as mica and defining the edges of the electrodes by the removal of surplus material by means of a knife or the like at least at those points where the edge of the electrode is opposite the surface of another electrode. Reference has been directed by the Comptroller to Specification 247,196, [Class 38 (ii)].
Patent GB-897264-A (GB)
Title: Infinitely variable transmission, more particularly for private motor vehicles with high-speed engines
IPC: F16H47/04
Filed: 1958-07-14
Abstract: 897,264. Variable-speed gear. EBERT, H. July 14, 1958 [Aug. 14, 1957], No. 22529/57. Class 80 (2). [Also in Group XXIX] A variable-speed gear has the torque transmitted partly through an epicyclic gear and partly through a hydrostatic torque converter having pump and motor parts of the swash-plate type constructed with the motor part formed by at least two motors, and the pump part constituted by one or more pumps, the whole being arranged so that the gear may fit into a confined space and thus be suitable for use in the transmission of a private car. In one embodiment the gear comprises a pump 19 having a cylinder drum 18 fast with a driving- shaft 15 and having axial pistons reciprocated by a swash-plate 21 and supplying liquid through passages in a stationary valve-plate 17 to motors 29, 30 having cylinder drums fast with an output shaft 12. The swash-plates of the pump and motors are pivoted in a stationary housing 7 and are adjustable simultaneously to vary the transmission ratio by an hydraulic motor 31 having a stationary piston 32 and a moving cylinder 33 connected to members having cam slots co-operating with pins connected to the swash-plates. An input shaft 1 has a sun gear 2 meshing with planet pinions 3 freely mounted on shafts 9 in a carrier 10. Pinions 3 mesh with a stationary ring-gear 4, and a second set of planet pinions 8 are freely mounted on shafts 9 and mesh with a stun gear 11 on the output shaft and with a ring gear 13 which has external teeth meshing with a pinion 14 on the pump driving-shaft 15. In a modification the stationary ring-gear 4 and the second set of planetary pinions 8 are dispensed with, the planet pinions 3 mesh with the input stun and with a ring gear having external teeth meshing with a pinion on the pump drive shaft, and the planet carrier is fast with the output shaft to which the motor shafts are geared.
Patent GB-295050-A (GB)
Title: Process for the manufacture of a new diazo compound and of new dyestuffs derived therefrom
IPC: C07D271/12
Filed: 1928-08-03
Abstract: 295,050. Compagnie Nationale de MatiÞres Colorantes et Manufactures de Produits Chimiques du Nord Reunies, Etablissements Kuhlmann. Aug. 5, 1927, [Convention date]. 4-Chloro-6-sulphobenzenediazo oxide is obtained by the action of sodium acetate or diazotized 2-nitro-4-chloro-6-sulpho-1-aminobenzene. Azo dyes and soluble metal compounds thereof. -The above described diazo compound couples with azo components yielding mordant dyestuffs dyeing wool directly in an acid bath which are very fast when after-chromed, or after-coppered. They also yield metal compounds when treated in substance with metallic salts, e.g. chromium salts. In examples, dyestuffs from the following components are described :-resorcin, 1-(4<1>-sulphophenyl)-5-pyrazolone-3-carboxylic acid, 1-(4<1>- sulphophenyl)- and 1-phenyl-3-methyl-5-pyrazolone, a- and #-naphthol, aceto-acetanilide. The preparation of soluble chromium compounds of the dyestuffs from 1-(4<1>-sulphophenyl)-5-pyrazolone-3-carboxylic acid and acetoacetanilide is also described. Specification 288,572 is referred to.
Patent GB-1203962-A (GB)
Title: Electrical plugs
Inventor: STRINGER EDWARD
IPC: H01R13/44
Filed: 1967-05-16
Abstract: 1,203,962. Two-part couplings. BARRING- TON PRODUCTS (LEICESTER) Ltd. 20 May, 1968 [16 May, 1967], No. 22606/67. Heading H2E. Conductor wires 10 are connected to the pins 14 of a plug via connecting elements 6 located in slots 5 formed in an insulating yoke piece 1. As shown, the yoke piece 1, which may be of plastics material, is formed with projecting parallel sleeves 3 and the slots 5 are L-shaped and extend the full width of the yoke piece. The bores of sleeves 3 extend through the yoke piece and register with holes 8 in one limb 7 of the connecting elements. The longer limbs 9 of the elements 6 carry crimping lugs 11, for the conductor wires, and 12, for the outer sheaths 13. After connection to the wires 10, the connecting elements 6, which may be of copper, are located in the slots 5. The pins 14, which may be of brass, are then driven through the sleeves 3 so that fluted or serrated end portions of pin stems 15 bite into the circumferences of holes 8 in the connecting elements with a forced, retaining fit. When fully inserted, the shoulders of head portions 16 of the pins abut the ends of sleeves 3. The plug is completed by moulding a plastics body around the assembly. The sleeves 3 may be slightly inclined to each other to provide a tighter engagement of the pins in a mating socket.
Patent GB-461561-A (GB)
Title: Improvements in or relating to electricity meters
IPC: G01R11/185
Filed: 1935-08-13
Abstract: 461,561. Magnets. FERRANTI, Ltd., and WHITEHEAD, M. Aug. 13, 1935, No. 22777. [Class 35] [Also in Group XXXVI] The permanent magnet brake a of an electricity meter is separated from the casing c of magnetic material by strips of material e having a negative permeability - temperature coefficient, or the casing may be of a synthetic resin with a magnetic plate adjacent the material e. The magnets may be carried on a separate bracket of magnetic material rigidly secured to the back-plate, and instead of strips e, the magnets may be coated chemically or by spraying with material having a negative permeability-temperature coefficient.
Patent GB-1099266-A (GB)
Title: Olefine copolymers
Inventor: CLARK KEITH JASPER
IPC: C08F210/00
Filed: 1964-06-02
Abstract: A solid crystalline copolymer of propylene with a linear 1-olefine having 5 to 18 carbon atoms, said copolymer containing from 2 to 40% by weight of linear 1-olefine monomer units is prepared by polymerizing in the presence of a stereospecific catalyst which is a transition metal compound in which the metal is in a lower than normal valency state, e.g. TiCl3, activated with an aluminium alkyl compound. Preferably, the copolymer is obtained in the form of a free-flowing slurry by initially polymerizing propylene in the absence of comonomer under conditions in which it will form a free-flowing slurry, preferably until 0.5-1.0% by weight of the final copolymer yield has been formed.  In the examples, propylene is copolymerized with octene-1, pentene-1 and octadecene-1 using a catalyst comprising aluminium diethyl chloride and titanium trichloride, the latter being obtained by reacting titanium tetrachloride with ethyl aluminium sesquichloride.
Patent GB-413132-A (GB)
Title: Double stroke cold header
IPC: B21K1/46
Filed: 1933-08-15
Abstract: 413,132. Forging bolts. FRIEDMAN, J. H., Tiffin, Ohio, U.S.A. Aug. 15, 1933, No. 22811. [Class 83 (iv).] In a bolt-heading machine, the heading dies 36, 34 which operate in turn on the bolt, are adjustably mounted on the slide 1 so that they can be set to make a head accurately concentric with the bolt shank. The tool carrier base 8 oscillates around its shank 7 (fitted in the slide 1) between adjustable stops 3, 4, from the position of Fig. 8 to that of Fig. 10. The tool holder 24 is separated from its base by an intermediate plate 18. The working position of the die 36 is determined by the setting of the screw 3 against which the abutment 10 rests, after oscillation of the carrier about its shank 7, the screw 3 being screwed out or in to raise or lower the position of the die 36. Similarly the abutment screw 5 of the carrier abutment 10 determines the up or down position of the die 34. To adjust laterally the die 36, the bolts 27 are slackened and the stop screws 39 and 40 are adjusted to rotate the tool holder 24 about its pivot stud 32. If wear prevents the die 34 being adjusted as above, it can be reset on its centre by loosening the nuts 27 and then adjusting one or other of the screws 37, 38 which rotates the intermediate plate 18 about the stud 12, and, relative to the bolts 15, 16 to raise or lower the die 34. The die 34 can also be moved to right or left by loosening the nut 24<1> on screw 14, turning the screwed sleeve 22 to slide the plate 18 on the surface of the head 8.
Patent GB-417442-A (GB)
Title: Improvements in electric switch-fuses
IPC: H01H21/16
Filed: 1934-02-10
Abstract: 417,442. Snap - action switches. ENGLISH ELECTRIC CO., Ltd., 28, Kingsway, London, POOLEY, A. M., Riverdale, Tixall, Staffordshire, and HEATH, A. A., Lydstep, Powley Park, Stafford. Feb. 10, 1934, No. 22841. Divided out of 416,633. [Class 38 (v).] A snap-action switch-fuse comprises a pair of metal arms as 1 clamped on a spindle 2 and connected by a pair of metal rods 4<a> covered by insulating tubes 4. For each pole of the switch the tubes 4 carry a pair of contactholders 6<a> between which is connected a fuse 7 by means of fixing lugs 7<a>. The under side of the holders 6<a> carry the contact blades, not shown. The switch arms 1 are actuated by spring toggle mechanism 18 driven with lost motion by a handle (not shown) and driving the switch with further lost motion by means of a pin 17a engaging a slot (not shown) in the arm 1.
Patent GB-1294626-A (GB)
Title: Substituted pyrimidones
Inventor: SCHWAN THOMAS JAMES
IPC: C07D239/10
Filed: 1971-04-19
Abstract: 1294626 1 - Benzyl - 3,4,5,6 - tetrahydro - 2- (1H)-pyrimidones NORWICH PHARMACAL CO 19 April 1971 [5 March 1970] 22882/71 Heading C2C Novel 1 - benzyl - 3,4,5,6 - tetrahydro - 2(1H)- pyrimidones of the general formula wherein (a) R<SP>1</SP> is a hydrogen atom and R<SP>2</SP> is a hydrogen or halogen atom or an amino, acetylamino, hydroxy, phenyl or methoxy group, (b) R<SP>2</SP> is a hydrogen atom and R<SP>1</SP> is a hydrogen or fluorine atom or a nitro group and (c) both R<SP>1</SP> and R<SP>2</SP> are chlorine atoms, are prepared (i) by reaction of 2-hydroxypyrimidine hydrochloride with a benzyl halide of the general formula wherein X is a chlorine or bromine atom and R<SP>1</SP> and R<SP>2</SP> are as defined above, exceptt hat R<SP>2</SP> may additionally be a nitro or benzyloxy group when R<SP>1</SP> is a hydrogen atom, in the presence of a base and catalyst and hydrogenation of the resulting 1-benzyl-2(1H)pyrimidone in the presence of platinum oxide or palladium-on-carbon; (ii) by reaction of 3,4,5,6-tetrahydro-2(1H)- pyrimidone with a benzyl halide of the second general formula above wherein R<SP>1</SP> and R<SP>2</SP> are as defined for the first general formula above and X is a halogen atom, in the presence of a base and catalyst; and (iii) when R<SP>2</SP> is an acetylamino group, by acetylation of the corresponding compound in which R<SP>2</SP> is an amino group. Dimethyl bis-(m-nitrobenzyl) ammonium iodide is obtained as a by-product in the reaction of 3,4,5,6-tetrahydro-2(1H)-pyrimidone with mnitrobenzyl chloride in the presence of K 2 CO 3 , KI and dimethylformamide. Pharmaceutical compositions having central nervous system stimulant and mydriatic activity comprise, as active ingredient, a 1-benzyl-3,4,5, 6 - tetrahydro - 2(1H)-pyrimidone of the first general formula above, together with an inert, physiologically acceptable carrier.
Patent GB-587911-A (GB)
Title: Improvements in or relating to transportable pumps
IPC: F16N13/08
Filed: 1944-11-17
Abstract: 587,911. Lubricating pumps. UNI-GUN LUBRICATING EQUIPMENT, Ltd., and MARTONFALVY, I. C. Nov. 17, 1944, No. 22896. [Class 102 (i)] Lubricating apparatus comprises a reservoir 10 mounted at one end on a pair of wheels 27 and provided with a handle 29. A pump is mounted at the other end of the reservoir and comprises a stepped piston 47, 49 loaded by springs 48, 51 and actuated by a cam 58 mounted on a shaft 59 having arms 62 carrying wheels 64. A pedal 67 is attached to the reservoir so that it can be depressed to rotate the arms 62 and cam 58; recesses on the bosses of the arms 62 co-operate with projections 60 to limit the stroke of the pump. A separate pump 40 mounted on the reservoir is used for filling the reservoir through the inlet 38. A follow-up, piston 31 is provided and can be withdrawn by the rod 15.
Patent GB-1462480-A (GB)
Title: Environment integrator
IPC: G01W1/17
Filed: 1974-05-22
Abstract: 1462480 Environmental integrator LENTRALINSTITUTS FUR ARBEITSMEDIZIN DER DDR 22 May 1974 [23 May 1973] 22970/74 Headings G1A and G1N An environmental integrator comprises a measuring head 1 with substantially linear or linearized sensors for detecting air temperature, water vapour partial pressure in the air, air velocity and radiant temperature, and an indicator unit 2 containing separate indicators 4-7 for each of the sensor outputs and an analogue computer for computing environmental values from the sensor outputs. As described, the radiant temperature is sensed by five polyethylene foil shielded, large area holometers arranged on the top and four sides of the head 1. The holometer outputs are fed to meters 4a-4e and are combined in the computer to give a weighted mean. Air temperature is measured by an artificially aged, rod shaped thermistor in conjunction with a compensating thermistor;.air velocity by a hot wire anemometer and water vapour pressure by a lithium chloride sensor. Inputs 10a-13a with associated meters 106- 136 are provided for entering constants into the computer, and the various functions that may be calculated are described.
Patent GB-316274-A (GB)
Title: Process for the treatment of waste products from petroleum refining
IPC: C10M101/02
Filed: 1929-07-26
Abstract: 316,274. I. G. Farbenindustrie Akt.- Ges. July 26, 1928, [Convention date]. Addition to 299,086. Lubricants for machinery; mineral oils.- In the process for the manufacture of viscous oils according to the parent Specification, extracts from the refining of petroleum oils by sulphur dioxide, for example by the Edeleanu process, are heated under pressure, with a lower olefine or a gaseous mixture containing such olefines such as oil gas, 'cracked' gas &c., in the presence of a catalyst of the Friedel-Crafts type, e.g. ferric, zinc, or aluminium chloride, to produce oils, which may be used as lubricating oils. In examples, the Edeleanu extract is heated with ethylene or propylene and aluminium chloride, at atmospheric or higher pressure. The product is washed with water and distilled in vacuo, to yield odourless viscous oils, and a resinous residue.
Patent GB-236083-A (GB)
Title: Improvements relating to clips
IPC: B62J99/00
Filed: 1924-09-30
Abstract: 236,083. Lucas, Ltd., J., and Lucas, O. Sept. 30, 1924. Ciips, band.-A clip for attaching observation mirrors to motor vehicles and for like uses comprises a hollow boxlike abutment a having oppositely disposed side apertures through which one of the members to be connected (such as a bar f carrying a mirror) is passed, and a flexible band c embracing the other member b to which attachment is to be made, and against which the end of member a abuts. The ends of the band are engaged by projections on a free nut e within the abutment member. A tightening screw g working through the nut bears against bar f either directly, or through an intermediate member h, the ends of which may engage slots in the side parts or folded-back ends of the band.
Patent GB-240163-A (GB)
Title: Process and apparatus for the manufacture of earth metals by electrolysis
IPC: C25C7/00
Filed: 1925-09-16
Abstract: 240,163. Dolter, H. Sept. 17, 1924, [Convention date]. Electrolytic and gaseous fuel furnaces; regenerators and regenerative fittings.-An electrolytic furnace for obtaining earth metals is fitted with gas radiators 5 of the flameless combustion type. The radiators comprise tubes 5 of steel, nickel, graphite, alumina, or silica containing granular and porous refractory substances, and are connected by means of insulating sections 14, 15 to pipes 12, 13 supplying gas and compressed air respectively. The air supply passes through pre-heaters 17 connected to the exhaust pipes 36 by insulating sections 19 and to the tubes 5 by three-way cocks 18 fitted with lighting nozzles 26.