baber/WOPTO huggingface dataset:
Patent GB-1249296-A (GB)
Title: Improvements in or relating to tool-holding devices
IPC: B23Q3/155
Filed: 1967-11-15
Abstract: 1,249,296. Tool holders. MOLINS MACHINE CO. Ltd., and R. T. FREEMAN. 14 Nov., 1968 [15 Nov., 1967], No. 51886/67. Heading B3B. In, for example, a numerically controlled machine tool there is provided a combination of a tool-holder 6 and, stored therein, a rotary cutting tool having a holdable portion 14 of greater diameter than its cutting portion 13, the tool holder 6 having a substantially cylindrical bore comprising a lower cylindrical portion 8 surrounding the cutting portion 13, and an upper cylindrical portion 9 of greater diameter than the lower portion 8 and containing the holdable portion, and gripping means, e.g. two resilient rings 12, to grip the holdable portion 14. An abutment 10 is formed between the cylindrical portions 8 and 9 to limit the insertion of the tool. A plurality of tool-holders 6 are mounted in a tool magazine 1 and a tool spindle withdraws a required tool from the resilient grip of the rings 12 by gripping a shank 15. The cutting portion 13 may be a separate bit held by a chuck and shank. Alternatively the tool may have an integral shank portion larger in diameter than its cutting end. Where the cutting end is larger than its shank end a collar or disc having a diameter larger than the cutting end is attached to the shank to engage the resilient rings 12 of the holder. The tool magazine may have a plurality of similar size stepped holes or two different sizes, and the tool-holders 6 have a standard flange 7 or outer surface to fit the stepped holes, but the cylindrical bores 8, 9 may vary in diameter to suit individual tools.
Patent GB-1313447-A (GB)
Title: Electromagnetic genera
IPC: H02K33/00
Filed: 1971-11-10
Abstract: 1313447 Oscillating machines CESKOSLOVENSKA AKADEMIE VED 10 Nov 1971 [27 Nov 1970] 52105/71 Heading H2A An oscillating motor particularly for driving a vibratory screw conveyer comprises a wound, laminated rotor 3 located coaxially within a similarly constructed stator 2 and mounted on a shaft 4 which is coupled to the stator by torsionally-opposed spring systems 5 located at opposite ends of the stator, the connections between the spring systems and the shaft being off-set from the rotor axis and off-set in a direction parallel to this axis from the connections between the spring systems and the stator. As shown, the shaft carries discs 6 to which the spring systems are connected and which also serve to couple the shaft to a screw conveyer 9. Pulses applied to the stator and rotor windings produce axial and rotational oscillatory movement of the shaft.
Patent GB-1074179-A (GB)
Title: Curable epoxy resins
IPC: C08G77/28
Filed: 1965-12-08
Abstract: Curable resin compositions are prepared by reacting a mercaptoalkyl group-containing organosilicon compound with a compound which contains at least two epoxy groups. The reaction may be performed with or without an amine catalyst, a solvent, a monoepoxide or heating.  When the epoxide compound is present in stoichiometric excess the reaction product is hardenable with conventional epoxy resin curing agents and when equivalent amounts of mercaptan and epoxide are used the product hardens on standing. Mercaptoalkylorganosilicon compounds are prepared (I) by reacting g -chloropropylmethyl-siloxane, thiourea and NaI in EtOH to give g -mercaptopropylmethylsiloxane which is also prepared by hydrolysing g -mercaptopropyl-methyldiethoxysilane with hydrochloric acid; (II) by cohydrolysing g -mercaptopropylmethyl-diethoxysilane, trimethylchlorosilane and phenyltrichlorosilane with hydrochloric acid to give a product of average Formula II; (III) by cohydrolysing dimethyldichlorosilane, trimethylchlorosilane, phenyltrichlorosilane and g -chloropropylmethyldichlorosilane followed by reaction of the product with thiourea and NaI in propanol to give product of average unit Formula III; <FORM:1074179/C3/1> <FORM:1074179/C3/2> <FORM:1074179/C3/3> <FORM:1074179/C3/4> (IV) and (V) by reacting g -mercaptopropylmethyldiethoxysilane and bisphenol-A in the presence of NaOMe followed by reaction with trimethylchlorosilane to give a product of the average unit Formula IV; or of the Formula V. Reference has been directed by the Comptroller to Specification 788,806.
Patent GB-1469223-A (GB)
Title: Azidocarbonic acid esters of steroids
IPC: C07J41/00
Filed: 1975-12-22
Abstract: 1469223 Steroid 17-azidoformates JENAPHARM VEB 22 Dec 1975 52327/75 Heading C2W The invention comprises the azidoformates of testosterone and 19-nortestosterone, and their preparation from the corresponding chloroformates by reaction with sodium azide. Also disclosed is the similar preparation of the 17-azidoformate of 3#-(acetoxy or benzoyloxy) androst-5-en-17#-ol. The compounds of the invention are credited with androgenic, anabolic and antigonadotropic activities, and may be made up with carriers into pharmaceutical compositions for parenteral administration.
Patent GB-1128619-A (GB)
Title: Injection molding device
IPC: B29C45/23
Filed: 1965-12-09
Abstract: 1,128,619. Injection moulding. FERROTEST G.m.b.H. 9 Dec., 1965 [9 Dec., 1964], No. 52385/65. Heading B5A. A junction of two crossed reinforcing rods 20, 20 is enclosed in a jacket 19 by injecting plastics material into a mould cavity 18 formed between two mould halves, of which only one, 13, is shown and to which is rigidly screw-connected an injection nozzle 15. This nozzle 15 fits into a complementary recess 16 in the mould half 13 and is separated from the mould cavity 18 by a wall 21, a central aperture 22 therein diverging in both directions from its central point so that its central area has the smallest cross-section. The screw threads are sealed from the liquid plastics material by a rubber or plastic ring 17. After injection the mould halves are opened and any flash is broken at 22, leaving liquid material between the nozzle 15 and wall 21 which does not harden and form encrustations which would block subsequent moulding operations. In modifications (Figs. 2-4, not shown) similar devices are described, each having a pressure sensitive valve within the nozzle 15 which prevents injection until a certain pressure has been applied to the material to be injected.
Patent GB-1411280-A (GB)
Title: Apparatus for quality and dimensional control of webs
Inventor: EKELUND C
IPC: D06H3/02
Filed: 1972-11-14
Abstract: 1411280 Feeding webs CEKELUND 14 Nov 1972 [18 Nov 1971 5 Jan 1972] 52452/72 Heading B8R Apparatus for dimensional control of webs, e.g. controlling tension of fed webs to prevent stretching, comprises an endless belt A spaced from a second conveying means B, and a sensing means K disposed between the conveying means A, B to monitor the size of a web loop formed between the means A, B and maintain the loop at a preset value by controlling the rate of web feeding the endless belt A. The conveying means B may be in the form of an endless belt or a roller M and the belt B may be pivotable. The sensing means may be photo-electric.
Patent GB-1365959-A (GB)
Title: Automatic transmissions
IPC: F16H3/66
Filed: 1971-11-16
Abstract: 1365959 Variable-ratio gears AUTOMOBILES PEUGEOT and REGIE NATIONALE DES USINES RENAULT 16 Nov 1971 [2 Dec 1970] 53018/71 Heading F2D An automatic transmission using a Ravigneaun planetary gear set is arranged so that coaxial input and output shafts can extend from opposite sides or the same side or the casing. A bearing is provided between the input shaft and an inner shaft mounting the planetary gearing in such a form that it provides an axial abutment for the inner shaft and for resilient return means for one of the clutches. In Fig. 1 wherein the input and output shafts 1A, 3A are on opposite sides of the casing a planetary gear set sun P1 is connected to rotate with an inner shaft 4 to the other end of which is connected a hub 5 of a clutch E1 while a sun P2 is mounted on a second shaft 6 together with the drum 7 of a second clutch E2 and a hub 8 of a free wheel connected with a brake cylinder 10 is free to rotate thereon. A splined end 13 of the input shaft 1A and a cylindrical portion 14 extend into the inner shaft 4 with a ring 18 splined to the shaft 1A at 13 interposed and formed with a metallized cylindrical bearing portion 20 and a radial flange 21. The flange 21 provides an abutment for the shafts 4, 6 when an axial force is produced during engine braking and for a return spring 22 for a piston 17 actuating the clutch E1. In modifications bearing rings with or without notches for the passage of fluid to the actuating piston of the clutch E2 replace the metallized surfaces. In Fig. 2 where the input and output shafts 1B, 3B extend from the same side of the casing the shaft 1B extends through the inner shaft 4 to be supported on a journal 23 and has a clutch drum 2 connected to its end providing a cylindrical face 25 on which the actuating piston 17 of the clutch E1 slides while a washer 26 on the shaft provides abutment means in the manner of the flange 21 Fig. 1. A metallized bearing surface 29 is provided.
Patent GB-1442745-A (GB)
Title: Gaseous fuel burner assemblies
IPC: F23Q9/00
Filed: 1972-11-17
Abstract: 1442745 Burners with safety devices RADIATION Ltd 16 Nov 1973 [17 Nov 1972] 53240/72 Heading F4T A gas fuel burner assembly has a main burner 1 with a safety device having a first and a second heat responsive part, said first part being substantially non-responsive to heat emitted by the main burner, and said second part is substantially responsive to heat emitted by the burner 1 only in the "light-back" condition thereof. A valve supplying gas fuel to burner 1, and possibly also to pilot burner 8, is normally maintained open by an electromagnet 7 energized by a thermocouple 3 having a hot junction 4, forming said first part, sensing the pilot flame and a cold junction 5, forming said second part, located in the burner 1 to sense light-back. The fuel valve closes if the pilot flame goes out or if the main burner 1 lights back.
Patent GB-1399468-A (GB)
Title: Electric vehicle controller
IPC: H02P7/00
Filed: 1971-11-16
Abstract: 1399468 Control of D.C. motors WESTINGHOUSE BRAKE & SIGNAL CO Ltd 15 Nov 1972 [16 Nov 1971] 53246/71 Heading H2J A controller for a battery operated vehicle, e.g. a fork lift truck, includes two control members operable to vary the energization of the drive, one control member being for each direction of movement and means to inhibit response for conflicting operation of the control members. The D.C. motor armature A is supplied from battery B through the reversing contactors CF, CR and SCR1. A freewheeling diode D1 is provided and an additional series resistor PR which is used during reverse current braking by opening of contactor CP. Shunts SH1, SH2 giving full load outputs of 10 m.V and 100 m.V respectively are used in protective circuits forming part of the controller. The motor is wholly controlled by foot pedals FP1, FP2 which operate potentiometers to give speed and direction control. The electronic control circuit is energized from the battery through a stabilizer STAB which is switched on by key-switch K and an interlock switch, i.e. drivers seat switch, is provided. In operation depression of a foot pedal causes the cross connected direction gate 201a, 201b-202a, 202b to enable one of gates 206a or 206b which through driver stage 208 energizes forward or reverse contactor CF, CR. A delay circuit in the direction gate ensures that near simultaneous operation of both pedals inhibits operation until one pedal is released. A production circuit 204, 205 is used to stop energization of the forward and reverse contactors for a short time after interlock switch IS1 is closed by circuit 203, when overcurrent conditions exist. Circuits 207a, 207b ensure that SCR1 can only be fired when a direction contactor is closed. The larger pedal voltage is applied to gate 501 which has various other inputs which have to be present before this voltage is applied to the junction of resistors 10, 11 and a reference voltage to circuit 304. Inputs to circuit 501 come from the gate 306 which monitors the operation of the direction contactors, circuit 602 which monitors braking conditions, overcurrent conditions monitored by circuit 302 and an output from the variable rate pulse generator 402. The firing pulses are derived from the isosceles waveform produced by oscillator 401 when it exceeds the bias voltage derived from pedal position. If the other pedal is pressed no change will occur until the first pedal is released when reverse energization is applied to the motor and this is detected by detector 601 which responds by opening contactor CP to insert resistor PR in circuit. Simultaneously the output voltage from 501 applied to the control circuit is charged to restrict the duty ratio to a maximum of 20%.
Patent GB-1479047-A (GB)
Title: Derivatives of polybasic acid anhydrides
IPC: C09D167/00
Filed: 1974-12-10
Abstract: 1479047 Trimellitic and pyromellitic acid esters DULUX AUSTRALIA Ltd 10 Dec 1974 [11 Dec 1973] 53332/74 Heading C2C [Also in Division C3] The invention comprises a derivative of trimellitic or pyromellitic anhydride containing both hydroxyl and carboxyl groups and comprising two monoesters per derivative molecule of diols selected from alkylene glycols and dihydroxy esters of alkylene glycols with dicarboxylic acids, the derivative being further characterized in that it has an acid value of at least 40 mgm. KOH per gm. and comprises two hydroxyl groups, which are the sole hydroxyl groups in the molecule, attached to separate carbon atoms which constitute part of a chain of not more than 40 covalently linked carbon and oxygen atoms, the separate carbon atoms being located at opposite ends of and not more than three atoms from the extremities of the chain. Preferred alkylene glycols are ethylene and propylene glycol, butane-1,4-diol and hexane-1,6-diol and preferred dicarboxylic acids are succinic, glutaric, adipic, azelaic, phthalic, isophthalic and terephthalic. The compounds of the invention may be used in liquid paint compositions.
Patent GB-1195890-A (GB)
Title: Improvements in or relating to Braking Systems for Towing Vehicles and Trailers.
IPC: B60T13/36
Filed: 1967-11-23
Abstract: 1,195,890. Fluid pressure brakes. SOC. ANON. ANDRE CITROEN. 23 Nov., 1967 [15 Dec., 1966], No.53441/67. Heading F2F. In a braking system for a towing vehicle (or tractor) and trailer, a main tank 1 supplies pressurized fluid to the tractor brake line 9 and the trailer brake line 10 under control of a distributor 5, a reserve tank 18 supplying pressurized fluid to the distributer valve 15 for the tractor so as to oppose the action of the actuator 6 and thus delay braking of the tractor relative to that of the trailer. The line 17 coupling the underside of the tractor valve 15 to the reserve tank 18 is connected between a shut off valve 23 and a breakaway coupling 22 so as to allow rapid tractor braking when the trailer is uncoupled. The fluid is preferably compressed air supplied via non-return valves 3, 20. A reduction valve 24 may be included in the reserve line to the underside of the tractor valve 15. The reserve line 21 may maintain the shoes of the reserve brake of the trailer in the "off" condition.
Patent GB-1162837-A (GB)
Title: Composite Tubing
IPC: F16L9/12
Filed: 1966-11-29
Abstract: 1,162,837. Flexible hoses. SAMUEL MOORE & CO. 29 Nov., 1966 [29 Nov., 1965], No. 53458/66. Heading F2P. Tubing for transmitting a pulsating pressurized fluid comprises a core tube 10 of polymeric material, e.g. nylon, a helically wound, continuous element 12 of electrically conducting material for earthing electric static charges and a binder tape 14 thereover, and a reinforcing sheath 18 fibrous material which may be braided from or consist of a number of layers of polymeric material; there may be an outer protective sheath 20 e.g. of polyurethane and a protective tape 16 of polyethylene terephthalate applied helically over the tape 14 or wound circumferentially to form a continuous encompassing sheath.
Patent GB-1145440-A (GB)
Title: Improvements in and relating to flexible shaft couplings
IPC: F16D3/76
Filed: 1967-11-27
Abstract: 1,145,440. Universal joints. MASCHINENFABRIK STROMAG G.m.b.H. 27 Nov., 1967 [13 July, 1967], No. 53888/67. Heading F2U. A universal joint constructed for easy assembly or removal without axially displacing the coupled shaft ends viz. hubs 1, 2, comprises two similar joint halves each formed by three rings 3, 4, 5 and 6, 7, 8, the middle rings 4 and 7 each being of an elastic material bonded to the rigid rings 3, 5 and 6, 8 respectively, the outer rings 5 and 8 having interengaging teeth 5a and 8a with sufficient axial clearance 9 to permit radial insertion, or withdrawal, of the interconnected joint halves between the hubs 1 and 2 which have shoulders 1a, 2a on which the inner joint rings 3, 6 are centred and retained by screws 10.
Patent GB-1489368-A (GB)
Title: Mobile cranes
IPC: B62D21/14
Filed: 1974-12-18
Abstract: 1489368 Mobile cranes CREUSOT-LOIRE 18 Dec 1974 [20 Dec 1973] 54636/74 Heading B8B [Also in Division B7] A mobile crane has a chassis comprising two parts 20, 21 respectively carried by axles 1, 2 and is shown with a short wheelbase in the operative condition, the axis of rotation 23 of a turret 13 being substantially equidistant from the two axles 1, 2. For transport by road the wheelbase can be extended by extending a pair of jacks 25 (only one shown). A crane boom 14 carried by the turret 13 is lowered to lie longitudinally of the chassis in the transport position, Fig. 2 (not shown), the mid point between the two axles 1, 2 moving away from the axis of rotation 23 of the turret 13 in the same direction as that in which the boom 14 is lowered.
Patent GB-1214145-A (GB)
Title: A blower unit for a drying chamber
Inventor: HILDEBRAND ROBERT
IPC: F26B21/02
Filed: 1967-12-01
Abstract: 1,214,145. Axial-flow blowers. R. HILDFBRAND. Dec.1, 1967 [Dec.2, 1966], No.54696/67. Heading F1C. [Also in Division F4] A blower unit 6 for a drying chamber comprises at least one axial fan 10, a support ring or casing comprising a circular section 8 and an extension 18, surrounding the blades of the fan and supporting the fan motor 9, trunnions or shafts 11, 12 to support the ring for pivotal movement between two positions facing in opposite directions whereby upon rotation of the fan the reaction forces of the fan tend to pivot the support ring on said trunnions, and means to retain the fan in position comprising a stop element 20 constituting the armature of an electromagnet 19, the stop element 20 projecting into the path of the support ring when the electromagnet 19 is deenergized to hold the fan in either of its two positions, and the stop element 20 allowing pivotal movement of the support ring when the electromagnet is energized. In Fig. 1 the blower 6 is mounted in an elliptical opening in partition wall 13 of drying kiln 1 and the stacks of wood 7 on trolleys are dried by circulation of air heated by heater 5, the direction of circulation of the air being reversed when the blower unit is pivoted through 180 degrees.
Patent GB-1446660-A (GB)
Title: Process for reducing iron oxide to metallic sponge iron with liquid or solid fuels
IPC: C21B13/02
Filed: 1974-12-18
Abstract: 1446660 Producing sponge iron MIDREX CORP 18 Dec 1974 [26 Dec 1973] 54697/74 Heading C7D In the production of sponge Fe from particulate iron oxide, the off-gases are combined with fresh reducing gas (from combustion of liquid or solid fuel) and recycled to the furnace. The off-gases are removed through line 17, cooled and scrubbed, e.g. with water, at 20, and fed through compressor 26 to a mixing valve 27 where it is combined with fresh reducing gas from 30. The combined stream has most of its CO 2  removed in amine absorber 40, and is fed to humidifier 50 where it picks up a little H 2 O before entering heater 60 (which is heated by off-gases and gas from gasifier 30). The heated gas enter a reactor 70 filled with heatresistant Ni or Cr-Ni alloy material where the water gas shift reaction (CO+H 2 O#CO 2 +H 2 ) occurs, the gas then entering the furnace which may be a shaft furnace (as shown), fluidized bed or rotary kiln. Prior to entry, the gas may be cooled by addition of gas from humidifier via line 55. Some of the gas from line 21 is bled into lines 25 and 33 and combusted with air from line 61 to heat gas passing through heater 60.
Patent GB-1081380-A (GB)
Title: Supply arrangements for electrostatic precipitators
IPC: B03C3/68
Filed: 1965-12-29
Abstract: 1,081,380. Supply systems for electrostatic precipitators. SIEMENS SCHUCKERTWERKE A.G. Dec. 29, 1965 [Jan. 22, 1965], No. 55134/65. Heading H2H. In a supply arrangement for an electrostatic precipitator 4 of the type comprising an A.C. power supply 1, a controlled thyratron or thyristor circuit 2 and a transformer/rectifier circuit 3, circuits 2, 3 are designed and controlled so that the peak value of the voltage supplied to the precipitator always exceeds the breakdown voltage of the latter and the output from the circuit 2 is chopped to produce a finite zerovoltage delay in the reversal of voltage polarity, thus ensuring that the breakdown is terminated before the re-application of voltage to the precipitator. Typical output waveforms from the circuit 2 are given, Figs. 2(a) and 2(b) (not shown), with corresponding output values of the circuit 3, a preferred embodiment using the initial portion of each half-cycle and chopping after the breakdown in that half-cycle, preferably at or near the peak value of the supply voltage. The device 5 renders the circuit 2 inoperative in the event of a continuous shortcircuit in the precipitator 4.
Patent GB-1436393-A (GB)
Title: Electrostatographic reproduction machine
IPC: G03G15/00
Filed: 1973-12-04
Abstract: 1436393 Delivering sheets XEROX CORP 4 Dec 1973 [5 Dec 1972 6 Dec 1972] 56227/73 Heading B8R Copy sheets S, Fig. 2, are stripped from a xerographic surface 12 by suction applied through ports 56, Figs. 2 and 3, in stationary sleeves 53 fixed to a stationary shaft 48, and thereby raised into contact with suction belts 36 passing round rollers 60 rotatable on the shaft, the belts having perforations 62 communicating with the interior of a vacuum chamber 30. In another form, Figs. 2A and 3A (not shown), each sleeve is cylindrical and has an imperforate portion supporting one of the belts and a perforate portion having a plurality of ports for communication with the vacuumsupplied interior of the shaft, the sleeves being rotatable on the shaft.
Patent GB-1164190-A (GB)
Title: Improvements in Forms for Supporting Knitwear
IPC: D06C5/00
Filed: 1967-12-14
Abstract: 1,164,190. Garment forms. MASCHINENFABRIK EUGEN BELLMAN G.m.b.H. 14 Dec., 1967 [21 Dec., 1966], No. 56793/67. Heading D1L. A form supporting a knitted garment comprises a carrier having a telescopic stand 2 supporting a pivotal cross piece 4 and form wires 6. To insert the form into the garment, e.g. a pullover, cross piece 4 is pivoted to lie alongside the stand 2 and inserted into the neck of the garment. The bottom of the garment is closed e.g. by sewing and dying proceeds.
Patent GB-1378664-A (GB)
Title: Impact absorbing device for mounting components
IPC: G21D3/04
Filed: 1971-12-08
Abstract: 1378664 Deformable energy-absorbing devices SIEMENS AG 8 Dec 1971 [10 Dec 1970] 57114/71 Heading F2E  An impact absorbing device for supporting a component 1, such as a safety shield, in a nuclear power station, includes a deformable element 3 of aluminium or soft iron and having a longitudinal axis obliquely to which loading forces are applied and a support element 2 engageable by the element 3 and defining a passage 9 into which material of the element 3 can be extruded in use, the passage 9 determining the maximum load force which can be transmitted to and absorbed by the device, the arrangement being such that the device initially provides axial deformation of the element 3 increasing proportionally to the force applied and upon the yield point being reached, non-proportional axial deformation up to the said maximum force determined by the passage. A circular plate 10 abuts the component 1 to serve as a mounting therefor and is connected via screws 12 to the support 2 whereby the element 3 is clamped.