baber/WOPTO huggingface dataset:
Patent GB-1472523-A (GB)
Title: Shielded roller assembly for lift truck mast units
IPC: F16C29/04
Filed: 1975-12-11
Abstract: 1472523 Bearings TOWMOTOR CORP 11 Dec 1975 [30 April 1975] 50816/75 Heading F2A A roller assembly 60 for guiding first and second relatively reciprocable elements 46, 28 comprises a roller 64 for engagement along its periphery with a surface 56 of the second element and having a bore 66 extending axially therethrough; an adjusting spacer 70 having a non-circular bore 72 and a counter bore 94 facing the roller; a shaft 76 having sections 80, 82, 84 formed along its length to mate respectively with the bores in the roller, the spacer, and the first element, the sections 80, 84 having their axes relatively radially offset; means 86 for retaining the shaft within the roller and first element bores; and a thrust bearing 74 positioned between the roller and the spacer, the counter bore 94 having a diameter slightly larger than the roller and an axial depth sufficient to receive the thrust bearing and an axial portion of the roller. By virtue of the eccentricity of the shaft sections 80, 84, and the co-operation of flats 88, 90 on the shaft section 82 and the spacer 70, the clearance between the roller and the surface 56 can be adjusted by turning the spacer 70. The assembly may be used to guide the carriage of a fork lift truck.
Patent GB-1285257-A (GB)
Title: Improvements in or relating to booklets for use with containers
Inventor: BOWEN ALAN
IPC: B42D1/00
Filed: 1970-10-27
Abstract: 1285257 Booklets JORDISON & CO Ltd 27 Oct 1970 50881/70 Heading B6A A booklet containing advertizing matter and intended for slipping over necks of bottles in the manner of a collar comprises a number of sheets 21, 22, Fig. 2 and 11, 12, Fig. 4, glued to each other along medium fold lines a, b and the booklet is formed into the collar by provision of the free edge C of the outermost leaf 21 with a tab 23 which is secured to the opposite free edge of the leaf 21.
Patent GB-1073190-A (GB)
Title: Temperature control of machine tools
IPC: B23Q11/14
Filed: 1963-12-24
Abstract: 1,073,190. Temperature control of machine tools. TECHNION RESEARCH & DEVELOPMENT FOUNDATION Ltd. Dec. 24, 1963 [Dec. 25, 1962], No. 51003/63. Heading F4U. In a machine tool temperature control system passages in the machine tool components are connected to form a closed fluid circuit, whereby the temperature of each component is maintained constant. The liquid is circulated through the components 1-5 of the machine tool by a pump 6 and returns to a heat exchanger 8. A temperature controller 10 activates the switch 23 of electric heater 22 in response to the liquid temperature. A further liquid is supplied by pump 15 to nozzles 17, sprays the workpiece 18 and the tool and returns from a collector 19 through filter 20 to the heat exchanger where the liquids of the two circuits pass in heat exchange. If few metal cuttings are produced a single liquid circuit may be used both for temperaturecontrolling the machine-tool and spraying the workpiece and the tool. Water, hydraulic liquid or bearing oil may be used and may either heat or cool the system. A number of machine tools may have their corresponding circuits coupled together.
Patent GB-1408886-A (GB)
Title: Panel-making device
IPC: B25B27/02
Filed: 1971-11-04
Abstract: 1408886 Gripping tools IMPERIAL CHEMICAL INDUSTRIES Ltd 3 Nov 1972 [4 Nov 1971] 51294/71 Heading B4W A hand tool for drawing a membrane towards a frame member in the construction of a panel, e.g. a ceiling or wall panel comprising two frame members with the membrane suspended therebetween, comprises first engagement means 7, 8 shaped to engage the frame member, second engagement means 10, 12 shaped to engage the edge of the membrane and advancement means operable by a hand lever 16 to advance the second means 10, 12 with the membrane attached thereto incrementally towards the first means 7, 8 and corresponding frame member. The advancement means comprise a rod 25 which bears on a sliding block 11 (carrying the transverse bar 10 and upstanding members 12) and a pair of clutches which, as shown comprise spring loaded plates 26, 28 which in a tilted position grip the rod 25 but are movable relative thereto in the perpendicular position. The plate 26 serves to feed the rod 25 upon each successive operation of the lever 16 while the plate 28 prevents backward movement of the rod. Alternatively the clutches may consist of a ratchet and pawl arrangement or jamming cleats. If the frame member of a ceiling panel is secured close to a wall the tool may support itself by its own weight with the hook 8 of the jaw member hooked on to the frame member and the outer surface of the member 7 abutting the wall so that the operator's hands may then be released from the tool for fixing the membrane to the frame member.
Patent GB-1472439-A (GB)
Title: Production of diaminomaleonitrile
IPC: C07C/
Filed: 1974-11-27
Abstract: 1472439 Diaminomaleonitrile NIPPON SODA CO Ltd 27 Nov 1974 [30 Nov 1973 51315/74 Heading C2C Diaminomaleonitrile is made by tetramerizing hydrogen cyanide in the liquid phase and in the presence of (a) an alkali metal cyanide, an alkali metal hydroxide, ammonia or an alkylamine and (b) a mercaptan or an organic disulphide. The liquid phase may be constituted by the catalyst or cocatalyst (a) or (b) or by an additional polar or non polar organic liquid.
Patent GB-1102969-A (GB)
Title: Improved bearing construction and operation
IPC: F16C17/24
Filed: 1965-12-04
Abstract: 1,102,969. Bearings; lubricating. N. L. PARR, and E. R. W. MAY. 25 Nov., 1966 [4 Dec., 1965], No. 51537/65. Heading F2A. On a bearing &c., the components are made of a low expansion, inorganic, non-metallic material and are provided with means for the removal of running-in debris from the contacting surfaces of the components. The material may be silicon nitride, silicon carbide or lowexpansion silica glass, for example, and the means for the removal of running-in debris may also lubricate the bearing. In an embodiment, a pair of concentric cylinders 1, 2 are made of silicon nitride and the outer surface of the cylinder 1 is provided with a helical slot 3 having a compact of graphite fibres 4 therein. The latter collect and entrap running-in debris and dispense continuously a thin smear of graphite over the contacting surfaces. The graphite may be replaced by boron nitride, tungsten diselenide or molybdenum disulphide.
Patent GB-1491687-A (GB)
Title: Method and apparatus for underwater dredging of earth particularly sand
IPC: E02F3/92
Filed: 1974-11-29
Abstract: 1491687 Excavating earth by loosening and sucking up the earth HOLLANDSCHE AANNEMINGMAATSCHAPPIJ BV 29 Nov 1974 51812/74 Heading E1F Tn a method of underwater dredging earth, particularly sand, is loosened by moving at least one cutting blade 1 through the earth whilst supplying a fluid to the earth ahead of the cutting blade at a position of the failure slip plane produced in the earth by movement of the cutting blade therethrough. The fluid may be air or water and may be supplied through nozzles secured to support means comprising projecting webs each having an upwardly inclined lower edge, the angle of inclination of which is similar to the angle of said failure slip plane. Dutch published application 6501314 is referred to.
Patent GB-518501-A (GB)
Abstract: 518,501. Lighthouse lamps. MOVES, W., and GARDNER, J. D. Aug. 24, 1938, No. 24876. [Class 75 (iv)] A float 4 carrying the reflectors or lenses of a lighthouse lamp is rotated in an-annular mercury trough 1 by the passage of a gas supplied to the burners 6 through a diaphragm pump 24, the piston rod 33 of which operates a counterweighted lever to, oscillate a pivoted bracket 19 carrying two U-shaped pawls 18 engaging a ratchet wheel 17 carried by a sleeve 16 depending from the float 4, the pawls driving alternately. The float 4 has a ball-bearing connection 15 with a pipe 11 depending though the sleeve 16 and carried by a union 9 secured by a stirrup 9a to the trough 1. The gas leaving the pump 24 passes by a pipe 10 through the union 9 to a pipe 7 arranged in the pipe 11 and carrying the burners 6. A branch connection is made to a pressure stabiliser 29 iitted with a spring-pressed diaphragm 30. , A valve-controlled bye-pass 27 to the pump enables regulation of'the burner supply. Adjustable needle valves 25<1>, 26<1> are also provided at the inlet and outlet of the pump 24: Gas is supplied without passing through the pump to a pipe 32 leading through the union 9 to the pipe 11 which is connected to a pilot burner 12. The inlet and outlet passages 25, 26 of the diaphragm pump are opened and closed alternately with a snapaction by the piston rod 33 operating a forked lever 36 to move a rocking lever 38 past a deadcentre position in respect of springs 39. The rocking lever throws over, the closure member 34 which also acts with a snap-action due to a spring 40.
Patent GB-1243127-A (GB)
Title: Oscillator circuit including a quartz crystal operating in parallel resonance
IPC: G04F5/06
Filed: 1969-10-22
Abstract: 1,243,127. F.E.T. crystal oscillators. SOC. SUISSE POUR L'INDUSTRIE HORLOGERE S.A. 22 Oct., 1969 [23 Oct., 1968], No. 51851/69. Heading H3T. [Also in Division G3] An oscillator has a quartz crystal Q operating in parallel resonance, an insulated gate F.E.T. T 1  as the active component of the oscillator, a further insulated gate F.E.T. T 2  in series with F.E.T. T 1  and a voltage source R 3 , C 3 , T 3  for controlling F.E.T. T 2  by a direct voltage sufficient to operate the F.E.T. T 2  in current saturation. The voltage controlling T 2  may be from a tapping on a potential divider R 3  (R 4 , Fig. 2, not shown), or may be controlled by an insulated gate F.E.T. T 3  which acts to decrease the current through T 2  with increasing output amplitude so as to stabilize the oscillator. T 3  acts to rectify the output signal derived from C 3  and C 4 , which is clamped by diode D. Transistor T 3  together with R 3  and C 5  provide a direct voltage control signal to T 2 . The frequency of the oscillator may be adjusted by trimmer Tr and transistors T 1 , T 2 , T 3 , capacitors C 1 -C 5  and diode D may be an integrated circuit. The supply U may be a mercury or silver oxide call and. the oscillator may be used to drive an electromechanical converter of a wrist-watch via a series of divider stages.
Patent GB-1192940-A (GB)
Title: Sulphonating Nitro Aromatic Compounds
IPC: C07C317/14
Filed: 1967-11-20
Abstract: 1,192,940. Sulphonated nitro aromatic compounds. ALLIED CHEMICAL CORP. 20 Nov., 1967 [21 Nov., 1966], No. 52685/67. Heading C2C. A process for sulphonating a ring nitro-substituted aromatic compound with sulphur trioxide comprises (a) adding at least the major proportion of the total amount of sulphur trioxide theoretically required to effect the sulphonation to the nitroaromatic compound at below 45‹ C.; and (b) heating the reaction mixture at above 125‹ C. The examples describe the preparation of m-nitrobenzene sodium sulphonate.
Patent GB-1097741-A (GB)
Title: Apparatus for handling tablet-like articles such as biscuits
IPC: A21C15/00
Filed: 1964-12-30
Abstract: 1,097,741. Bakery apparatus. NATIONAL BISCUIT CO. Dec. 30, 1964 [Dec. 31, 1963], No. 52780/64. Heading A2A. In making bakery goods such as cracker biscuits and cookies, baked sheets which have been scored in their transverse and longitudinal directions, are first broken about their transverse scores to form strips, and the strips are tilted on their edges and broken along their remaining scores to form the individual units. As shown baked sheets 5 are first broken in breaker 6 comprising rollers or brushes 7 and 9 due to the pressure applied as the direction of movement of the sheets is altered in passing from conveyer 2 to conveyer 10. The strips 11 are tilted as they are conveyed on to conveyer 15 as described in Specification 1,097,742. The strips are conditioned in heating or cooling chamber 20 and aligned on conveyer 15 by means 21 which comprises an endless belt at each side of the conveyer 15. The aligned strips 11 are conveyed to stationary platform 29 where they are passed between disc-like brushes 32, 33 which apply pressure on alternate scores to break the strips into individual units. The brushes 32 protrude through slots 31 in platform 29 and the brushes 33 through slots 40 in pivotally mounted bar 37 which holds the strips against excessive upward movement by the power driven brushes 32. Weights 36 are provided for altering the pressure applied by brushes 33.
Patent GB-1162387-A (GB)
Title: Apparatus for placing a beam like a mine supporting crown in position beneath a surface like a mine roof
IPC: E21D11/40
Filed: 1966-11-25
Abstract: 1,162,387. Lifting cradles. HOUILLERES DU BASSIN DU NORD ET DU PAS-DECALAIS. 25 Nov., 1966 [9 Dec., 1965], No. 52908/66. Heading B8H. [Also in Division E1] A device for positioning a mine roof support beam 13 comprises a cradle 2 having rocking arms 5, beam retaining means 11a, 12a at one end, a winch 4 and abutments 14a. The arrangement is such that the device can be lifted with the aid of a fixed beam 8 and moving about a fixed beam 15 to locate the beam 13 in its propping position.
Patent GB-1403203-A (GB)
Title: Method of manufacturing an article having a device or  inscription thereon
IPC: B29C43/00
Filed: 1972-11-16
Abstract: 1403203 Coated articles G GIUSTI 16 Nov 1972 [17 Nov 1971] 52991/72 Heading B2E [Also in Divisions B5 and B6] To produce decorative articles such as buttons, buckles, counters or trinkets, thermosetting material is hot compression moulded to give an article with a recessed pattern, varnish is sprayed on to the surface of the article, hardened, and then removed from the unrecessed land surrounding the pattern to produce an article having a varnished recess pattern. The varnish may include colouring material, and may be removed by tumbling with abrasive bodies.
Patent GB-1300455-A (GB)
Title: Process for producing dicarboxylic acids by yeast action
Inventor: AKABORI SHIRO
IPC: C12P7/44
Filed: 1970-11-10
Abstract: 1300455 Dicarboxylic acids AJINOMOTO CO Inc 10 Nov 1970 [10 Nov 1969] 53505/70 Heading C2C A C 12 -C 18  dicarboxylic acid is prepared from a saturated or unsaturated hydrocarbon or an oxidized derivative thereof, the starting material having a straight chain of 12-18 carbon atoms, by culturing under aerobic conditions a microorganic strain of Candida or Pichia capable of producing the acid from the starting material, on or in a culture medium containing an assimilable N source, inorganic salts, organic nutrients and the starting material. A C 5-18  dicarboxylic acid may be produced from a starting material having a straight chain of 9-18 carbon atoms using a strain of species Candida cloacae.
Patent GB-1124750-A (GB)
Title: Improvements in the recovery of acetylene
Inventor: BOYNE WILLIAM JOSEPH
IPC: C07C7/11
Filed: 1965-12-17
Abstract: In the solvent recovery of acetylene from gaseous acetylene-containing mixtures, e.g. a cracked gas obtained by partial combustion of natural gas with oxygen, the deposition of polymeric contaminants on to equipment surfaces is alleviated by adding to the solvent as an anti-fouling agent an effective soluble amount of either an alkali metal hydroxide or an alkali metal salt of an acid having a maximum dissociation constant for the first hydrogen atom of 10-4.  The effective amount of the agent is usually in the range 10-600 p.p.m., the optimum amount varying from one agent to another and from one solvent to another. Suitable agents are NaOH, KOH, Li2CO3. K2CO3, Na2CO3, NaHCO3, KHCO3, sodium acetate, sodium stearate, sodium oleate and sodium succinate.  Suitable solvents, which preferably contain small amounts of water to assist in the dissolution of the anti-fouling agents, are dimethyl formamide, butyrolactone, and N-methyl pyrrolidone.
Patent GB-1367950-A (GB)
Title: Mineral mining installations
IPC: E21F13/10
Filed: 1971-11-19
Abstract: 1367950 Mining conveyers GEWERKSCHAFT EISENHUTTE WESTFALIA 19 Nov 1971 [19 Dec 1970] 53857/71 Heading B8A [Also in Division E1] One end of a conveyer of a longwall mining installation is supported in a head gallery by being secured so as to be power adjustable of its length to an inclined table 32 connected through skids 24, 30 to a carriage 14 that is slidable by a powered drive along a beam 10 disposed in the gallery at right angles to the conveyer when means anchoring the beam or the carriage are appropriately released.
Patent GB-1492579-A (GB)
Title: Vincamine derivatives
IPC: C07D461/00
Filed: 1974-12-16
Abstract: 1492579 Vincamine derivatives SANDOZ Ltd 16 Dec 1974 [18 Dec 1973 6 Feb 1974 8 Feb 1974] 54159/74 Heading C2C Novel compounds I (in which R 1  is Br, F, Cl, OH, or 1-40 alkyl or alkoxy with the proviso that when R 1  is in the 11- or 12-position it is other than -OCH 3 ) are prepared (a) by cyclization of a compound II (in which R 2  is 1-4C alkyl) in the presence of acid; (b) by reaction of a compound III at less than 0 C. with a hydrogen halide, followed by hydrolysis or (c) by bromination of vincamine to give the 11-bromo derivative. Compounds II are prepared by reaction of a compound IV with a compound V to give a compound VI reaction of the compound VI with imidazole to give a compound VII treatment of the compound VII with acid to give a compound VIII reaction of the compound VIII with a compound IX to give a compound X Bischler-Napieralski ring closure of the compound X to give a compound XI and reduction of the compound XI. Pharmaceutical compositions exhibiting vigilance-increasing and psychostimulation activity comprise a compound I or a pharmaceutically acceptable acid addition salt thereof together with a suitable excipient and are administered orally or parenterally.
Patent GB-1415709-A (GB)
Title: Chlorinated mandelamidines
IPC: C07D213/79
Filed: 1973-11-23
Abstract: 1415709  Chlorinated mandelamidines M SOUCHARD 23 Nov 1973 [24 Nov 1972] 54618/73 Heading C2C Novel 2 - (α - hydroxy - 2 - chlorobenzyl)- #<SP>2</SP>-imidazoline, in the form of its hydrochloride salt, is prepared by treating o-chlorobenzaldehyde with aqueous sodium bisulphite, aqueous KCN and HCl and reacting the resulting 2-chloromandeliminoethyl ether hydrochloride with ethylene diamine. Novel 2 - (α - acetyloxy - 2 - chlorobenzyl)- #<SP>2</SP>-imidazoline, in the form of its hydrochloride salt, is prepared by treating 2-(α-hydroxy-2- chlorobenzyl) - #<SP>2</SP> - imidazoline hydrochloride with acetic anhydride. Novel 3,4 - dichloromandelamidrazone, in the form of its hydrochloride salt, is prepared by reacting 3,4-dichloromandeliminoethyl ether hydrochloride with hydrazine monohydrate. Novel. 2 - (α - hydroxy - 2,6 - dichlorobenzyl)- #<SP>2</SP> - imidazoline, in the form of its hydrochloride salt, is prepared by reacting 2,6- dichloromandelimino-ethyl ether hydrochloride with ethylene diamine.  Novel 2,6- dichloromandelamidoxime, in the form of its hydrochloride salt, is prepared (a) by treating 2,6-dichloromandelonitrile with hydroxylamine hydrochloride and sodium methylate in methanol and (b) by reacting 2,6 - dichloromandeliminoethyl ether hydrochloride with hydroxylamine hydrochloride and sodium methylate.  Pharmaceutical compositions having antihypertensive activity comprise, as active ingredient, at least one of the above novel compounds, in association with a physiologically acceptable carrier and/or excipient.
Patent GB-1367016-A (GB)
Title: Electric rectifier bridges
IPC: H02K11/04
Filed: 1972-11-28
Abstract: 1367016 Semi-conductor devices SIEMENS AG 28 Nov 1972 [24 Feb 1972] 54902/72 Heading H1K A three phase bridge rectifier comprising diodes 2 to 7 connected between D.C. conductors 21, 22 and A.C. conductors 18, 19, 20, also includes structurally associated excitation diodes 14, 15, 16 for the windings of an A.C. generator, the excitation diodes being connected between a further conductor 23 and individual ones of the A.C. conductors. To accommodate the excitation diodes either the conductor 23, or the A.C. conductors, include raised portions 24, 25, 26 which overlay the other conductor sandwiching the diodes therebetween. The bridge diodes may be accommodated within apertures in an insulation layer between the A.C. and D.C. conductors. The D.C. conductors may be of thin aluminium plates, including holes 28, 29, 34, 35 for securement to the generator, the insulation and A.C. conductors being of printed circuit form secured to the D.C. conductors.
Patent GB-1355544-A (GB)
Title: Anticoorosion coating
IPC: C09D101/14
Filed: 1971-11-29
Abstract: 1355544 Anticorrosive composition INSTITUT MANUPULACNICH DOPRAVNICH OBALOVYCH A SKALDOVACICH SYSTEMU 29 Nov 1971 [9 Dec 1970] 55411/71 Heading C3F A composition for coating metals to protect them from atmospheric corrosion consists of 10 to 60 parts by weight of cellulose acetobutyrate, 2 to 20 parts by weight of a plasticizer for cellulose acetobutyrate and 0À5 to 3 parts by weight of an additive formed by chromic acid and a guanidine derivative having one or both amino groups mono or disubstituted, the substituent radicals being alkyl groups having 1 to 5 carbon atoms, cyclohexyl, phenyl or phenylalkyl with 1 or 2 atoms in the alkyl group. The composition is dissolved in an organic polar solvent with, optionally, an organic non-polar solvent added. The preferred guanidine derivatives are propyl guanidine chromate cyclohexyl guanidine chromate, and chromates of sym-dibenzyl sym-dimethyl and sym-diphenyl guanidine.
Patent GB-1163169-A (GB)
Title: Circuit including a Measuring Bridge
IPC: H03C3/24
Filed: 1967-12-06
Abstract: 1,163,169. Measuring bridge circuits. NEDERLANDS APPLIED SCIENTIFIC RESEARCH FOR INDUSTRY TRADE & COMMERCE. Dec.6, 1967 [Dec. 7, 1966], No.55474/67. Heading G1U. [Also in Division H3] A circuit comprises a relaxation oscillator 1 whose frequency is controlled by the out of balance voltage of a bridge circuit 2, the oscillator including two transistors 4, 5 connected in a crosscoupled push-pull arrangement and having their emitters connected to a reference potential and each having its collector coupled through a capacitor 26, 46 to the base of the other, the collectors also being coupled to the bridge input and the output of the bridge being fed to feed resistors 40, 41 for the bases of the transistors. The oscillator has a fixed central frequency e.g. Kc/S and any out of balance voltage of the bridge is fed through an amplifier 14 and transformer T2 and alters the frequency of the oscillator linearly upwards or downwards of the central frequency, the frequency being read off at point B. The oscillator includes protective diodes 24, 25 in the base circuits of the transistors, temperature compensation in the circuit is provided by a negative temperature coefficient resistor 31 and resistors 32, 33 provide sensitivity control. Resistors 29, 30 and diodes 27, 28 prevent local oscillation in the loop comprising the capacitors 26, 46 and the self and leakage inductance of the primary winding of transformer T1.
Patent GB-1329983-A (GB)
Title: High-voltage generating circuit of a television receiver
IPC: H04N3/185
Filed: 1970-11-24
Abstract: 1329983 EHT supplies MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 24 Nov 1970 [2 Dec 1969 6 Dec 1969] 55933/70 Heading H2F In a combined horizontal deflection circuit and EHT supply for a TV receiver, the EHT transformer 23 is driven by pulses from the horizontal deflection circuit 22 and is made series resonant at approximately the horizontal deflection frequency so that the EHT rectifier 24 is conductive for a comparatively long period between flyback pulses. As shown, the EHT transformer 23 is tuned by capacitors 26, 28 to series resonance at approximately the horizontal deflection frequency. The tuning is adjustable by variation of current in the control winding 36 of a saturable inductor 32 under control of a transistor 35 controlled in response to EHT voltage determined by rectifying at 34, pulses induced in winding 33. In Figs. 1 and 3 (not shown) a voltage multiplier is employed at 24.