baber/WOPTO huggingface dataset:
Patent GB-1060460-A (GB)
Title: Improvements in or relating to devices for mixing foundry sands with synthetic resin binders or co, processed sands
Inventor: LATZMANN KAREL
IPC: B22C5/04
Filed: 1964-11-19
Abstract: Continuous discharge apparatus for mixing foundry sand with a binder comprises an elastic tube (1) positioned between the upper and lower runs of an endless band (2) which revolves the tube and flattens it, the unconstrained diameter of the tube being greater than that of the rollers (3).  The tube may be inclined at an angle of one to thirty degrees to the horizontal.
Patent GB-1325403-A (GB)
Title: Soldering appliance
IPC: B23K3/06
Filed: 1971-10-11
Abstract: 1325403 Soldering HEBERLEIN & CO AG 11 Oct 1971 [20 Oct 1970 27 Oct 1970 6 Sept 1971] 47151/71 Heading B3R A soldering appliance, particularly for soldering printed circuits by means of a jet 17 of molten tin which makes contact with the underside of a circuit board riding over the jet, produces the required pumping effect on the molten tin by passing a current through a region of molten tin at right angles to a magnetic field pervading that region. In a first embodiment, Figs. 1-3, a receptacle 1 for a molten tin bath 2 has a pumping channel 3 connected by ports 11 to a transversely arranged ring channel 12. A yoke 13 is arranged so that the channel 3 is disposed in the gap between the ends of the limbs of the yoke, a primary transformer coil 14 enclosing a part of one limb of the yoke. A core 15 also surrounded at one part by the coil 14 passes through the ring channel 12 so that the molten tin therein acts as a secondary short circuit coil of the transformer and a current flows through the tin in the ring channel 12 and across the pumping channel 3 at right angles to the magnetic field existing in the gap between the ends of the yoke 13 limbs. The resultant force on the molten tin impels it along the channel 3 to a nozzle or nozzles 5 to issue as a jet 17. An adjustable gap 16 in the core 15 provides for control of the current in the channel 12 while at the same time controlling the magnetic field in a reverse sense so that the pumping head remains substantially constant while the heating effect due to the induced current can be controlled. A thermostatically controlled heating device 9 is provided as an additional control to maintain a constant tin-bath temperature. A cooling fan 21 and air ducts may be provided and cooling fins 27 on one limb of the ring channel create a thermosiphon effect to ensure proper mixing of the molten tin in the receptacle as a whole. A silicone oil may be provided on the surface of the bath and may even cover the jets so as to minimize oxidation. In a second embodiment (Figs. 4-6, not shown) separate primary coils fed from a regulatable transformer tapping are provided for the magnetic-fieldproducing yoke and the current-inducing core so that the pumping head and heating effect can again be suitably regulated. In a third embodiment (Figs. 7-9, not shown) permanent magnets in contact with the molten tin in the pumping channel are used to provide the magnetic field and the ring channel is replaced in part by a copper yoke the ends of which make contact with the molten tin at the sides of the pumping channel. In a further embodiment (Fig. 11, not shown) regulation of the pumping head is effected by altering the phase relationship of the field and induced current, e.g. by means of a capacitor in the primary circuit for the magnetic field or induced current coils, or by connecting these circuits to alternating current supplies of adjustable relative phase relationship.
Patent GB-963324-A (GB)
Title: Electrical inductive apparatus
IPC: H01F38/30
Filed: 1962-12-17
Abstract: 963,324. Transformers. WESTINGHOUSE ELECTRIC CORPORATION. Dec. 17, 1962 [Jan. 17, 1962], No. 47544/62. Heading H1T. A winding 80 of e.g. a current transformer is insulated together with its lead or leads 113 by solid insulation 38, conductive shielding members 110B, 110A connected to 80 being provided inside the insulation and being separated from earthed outer shielding member 130B by twopart intermediate shielding members 120A, 120B, part 120A of which is arranged to have such a capacitance relationship with the inner and outer shielding members that the maximum potential gradient in the insulation at the inner shielding member is substantially the same as the gradient at the intermediate shielding member. The insulation may be of crepe paper strips or sheet and the intermediate shielding member around the lead(s) may be closer to the inner shielding member than to the outer member or may be lengthened as shown to increase the capacitance between the inner and outer members and reduce the potential gradient in the insulation at the outer corners of the winding. The intermediate shielding member (or members) is shaped to reduce dielectric stress concentration. The outer shielding member may be an earthed casing and the other shielding members may be made of semi-conducting rubber, tape or paper backed with metal foil or coated. Shield 110A may be made as a reversely arranged double layer to avoid inductive effects. The tank 32, bushing 54 and transformer may be oil filled, a conservator 36 being provided. The winding 80 may be in two parts separated by a cooling channel. An equalizer coil 52 may be provided as in U.S.A. Specification 1,932,051 to eliminate leakage flux. A duct member having an extended creepage path as described in U.S.A. Specification 2,997,676 may be provided to dissipate heat produced in the insulation. The bushing 54 may be secured as described in Specification 620,900.
Patent GB-1038660-A (GB)
Title: Apparatus for opening and closing an electric circuit
IPC: G04C23/02
Filed: 1964-11-23
Abstract: 1,038,660. Time switches; switch cases. W. McPOSCHMAN II. Nov. 23, 1964, No. 47639/64. Heading H2B. A distribution box with known holding means to accommodate a plurality of miniature circuitbreakers in a readily removable manner is provided with a timeswitch in a housing which fits in place of a circuit-breaker in similar manner. The time switch housing 38 (Figs. 1 and 2, not shown) contains a sub-housing 70 enclosing gearing 64 and contact blades 106, 108 to separate them from drive motor 60. The final drive shaft 74 carries adjustable " on " and " off " tappets 84 and 86 which alternately move a member 100 to the left and right respectively (Fig. 3) at predetermined times. Member 100 is carried on a plate 96 having pins 94 and 92 riding in a J-shaped slot 90 and urged upwardly by spring 116. When tappet 84 engages member 100 the pin 94 is moved to latch in the bottom of slot 90 and pin 92 moves an insulating member 114 (Figs. 5 and 6, not shown) to close the contacts against the inherent opening bias of blade 106. At a later time tappet 86 engages member 100 to unlatch pin 94, allowing spring 116 to lift plate 96 and the contacts open.
Patent GB-1089987-A (GB)
Title: Electromagnetically actuated disc brakes
IPC: F16D55/227
Filed: 1965-11-10
Abstract: 1,089,987. Electromagnetic disc brakes. SOCIETE INDUSTRIELLE DE MATERIAL ELECTROMAGNETIQUE " S.I.M.E." SOC. ANON. Nov. 10, 1965 [Nov. 13, 1964], No. 47698/65. Heading F2E. An electromagnetic disc brake consists of an axially fixed disc 10 which is braked by a pair of opposed pads 14, 15 slidable on pins 13 which are a fairly tight fit in lugs 12 of a fixed bracket (11) (Figs. 1 and 2, not shown) such that they can slide relative to the lugs but only when, as a result of wear of the linings 16, 17, the energizing force of an electromagnet 24, 25, 26, which withdraws the pads against the force of brakeapplying springs 18, is caused to act on the pins via collars 23 formed on the latter and engageable with the pad 15, the arrangement being such that the spacings between each of the pads and the disc with the electromagnet energized remain equal as the linings wear. The magnet yoke 24 is secured to a part 19 which is also slidable on the pins 13 and is connected with the pad 14 by tie rods 20 of adjustable effective length. The magnet armature 26 is connected via a pivot including a resilient bush 27 to the pad 15, any pivoting of the pad 15 being controlled by buffers 28. The relative positions of the pads in the release position of the brake is fixed by the separation between the collar 23 on each pin 13 and an adjustable stop 29 on the end of each pin adjacent the pad 14, a recessed washer 21 being disposed around the collar 23 on each rod for abutment by the respective spring 18 so that, on release of the electromagnet, the spring is able to act on the pad 15 without the washer 21 contacting the collar 23, and also to act equally on the pad 14 via the part 19 and tie-rods 20, so that equal clearances occur between the collar 23 and pad 15, and between the stop 29 and pad 14, when the linings 16, 17 are engaging the disc. The brake may include a second assembly identical to that shown, which may be a mirror image of the bracket of Fig. 1 (not shown), whereby the disc is engaged by two pairs of pads spaced circumferentially 90 degrees apart.
Patent GB-1433184-A (GB)
Title: Push button keyboard switch assembly for a telecommunication system
IPC: H01H13/70
Filed: 1973-10-12
Abstract: 1433184 Push-button switches SOC ITALIANA TELECOMUNICAZIONI SIEMENS SpA 12 Oct 1973 [16 Oct 1972] 47786/73 Heading H1N A push-button keyboard switch assembly comprises a plurality of keys 2, a plurality of respective fixed contacts 7 on a common support 8, a plurality of respective contact springs each having a root portion fixed with respect to the support 8, a first portion 4 acting as a retractive spring for the associated key 2, and a second portion comprising a resilient finger 5 which on depression of the key engages the respective fixed contact, the surface of the second portion 5 which engages the fixed contact being spaced in the direction of motion of the key from the surface of the first portion 4 engaged by the key. As shown tapered blades are struck out of a single sheet 3 of spring plate and each has a plurality of fingers 5 bent downwardly and a portion 4 bent upwardly. The support 8 is a printed-circuit board conductive areas of which act as the fixed contacts 7.
Patent GB-1404554-A (GB)
Title: Track laying vehicles
IPC: B62D55/30
Filed: 1973-10-12
Abstract: 1404554 Track tensioning devices CATERPILLAR TRACTOR CO 12 Oct 1973 [13 Oct 1972] 47839/73 Heading B7H An endless track vehicle having relatively movable first and second rotatable members about which the track is entrained is provided with a track tensioning device comprising a push rod 64 operatively connected to one rotatable member 20 and which is urged away from the other rotatable member by a fluid actuated piston/cylinder assembly 30, the push rod and piston being separate from and not connected to each other. Member 20, for example an idler wheel, is mounted in a yoke 26 slidably fitted between track frame longitudinals 22, 24 which also slidably mount a cylinder 32. Rod 64 is fixed to the yoke and its free end is received in the cylinder where, upon fluid supply to the cylinder, it is contacted and moved by a piston (Fig. 3, not shown). The cylinder 32 is urged toward idler 20 by a spring 50 which allows recoil of the idler and tensioning device.
Patent GB-1443705-A (GB)
Title: Rock drills
IPC: G01R19/165
Filed: 1972-12-15
Abstract: 1443705 Percussive tools INTERNATIONAL RESEARCH & DEVELOPMENT CO Ltd 21 Dec 1973 [18 Oct 1972] 48106/72 Heading B4C [Also in Division E1] A drilling tool comprises an hydraulicallyoperated hammer piston 15 carried by a hollow shaft 10, a rotary drilling bit carried by the hollow shaft, the hollow shaft serving to transmit blows from the hammer piston to the bit through, for example, an anvil ring 29. Drilling mud may be used to drive a turbine to rotate the hollow shaft 10 and to drive a turbine to rotate a four lobe cam 19, the cam serving to reciprocate four impulse generating piston 17. The cylinder 14 in which the hammer piston is driven by the impulses forms a pulse chamber 23, an hydraulic spring chamber 24 and a reservoir chamber 25. The pulse chamber 23 is connected to the impulse generating piston cylinder 18 by a pulse transfer duct 28. The chamber 24 with its filling of hydraulic fluid returns the hammer piston rearwardly a coil spring 30 serving to cushion the return blow against the cylinder liner 14. The reservoir chamber 25 is connected by a passage 37 to a flexible container 38 housed in an equalization chamber 39, an aperture 40 connecting this chamber with the axial passage 11 through which the drilling mud flows. The reservoir chamber 25 is also connected to the pulse transfer duct 28 through a passage 41 and non-return valve 42 so that the hydraulic fluid in the reservoir can flow to the duct 28 if the pressure in the latter falls below that in the passage 11. The provision of this pressure compensation protects the seals and any leakage which should occur is made up from the flexible container.
Patent GB-962519-A (GB)
Title: Improvements in oil-extended polymers
IPC: C08L23/16
Filed: 1962-12-20
Abstract: A composition comprises (a) 100 parts by weight of a hydrocarbon copolymer of at least one a -monoolefin and at least one non-conjugated diene and (b) at least 15 parts by weight of a petroleum oil having a flash point above 300 DEG F. and a total nitrogen base and first acidaffin content (defined) not greater than 15% by weight.  The compositions are sulphur-vulcanisable by conventional means.  Exemplified copolymers are ethylene/propylene / 1, 4 - hexadiene and ethylene/propylene/cyclopentadiene.
Patent GB-1525986-A (GB)
Title: Anti-fungal substance and preparing method thereof
IPC: C07D455/03
Filed: 1975-11-24
Abstract: 1525986 Berberine type alkaloids J NAKAMURA 24 Nov 1975 48214/75 Heading C2C [Also in Division A5] A fungi-controlling substance comprising berberine type alkaloids, e.g. berberine, coptisine, worenine and palmatine, is obtained by subjecting berberine type alkaloid-containing plant tissues which have been freed from fatty or resinous materials by means of a non-polar solvent, to extracting treatment with a polar solvent, contacting the extract at a temperature of 35‹ to 75‹ C. with an aqueous alkali metal dihydrogenphosphate solution after or during the extraction with the polar solvent, concentrating the extract by evaporation of the polar solvent, mixing the resulting extract with an aqueous di(alkali metal) hydrogenphosphate solution so as to make the pH of the mixture 6À8 to 7À2, and drying the mixture under reduced pressure, or freeze drying it to obtain a solid product. The plant tissue may be selected from Phellondendron, Coptis, Costinum, Colombo and Berberis.
Patent GB-1356599-A (GB)
Title: Motor vehicles having an external rear view mirror
IPC: B60R1/06
Filed: 1971-10-16
Abstract: 1356599 Rear view mirrors FORD MOTOR CO Ltd 16 Oct 1971 48240/71 Heading B7J A motor vehicle has an external rear view mirror 1 mounted on a generally vertical intermediate arm 3 of a U-shaped bracket 5, the free ends of the generally horizontal arms 7 of the bracket being pivoted on the vehicle body about a generally vertical axis so that the bracket can be moved between an extended position shown and a housed position in which it lies close to the body, and a C-shaped spring 9 whose ends 17 are secured to the body, the spring having a kink engaging a nylon guide 13 on the upper arm 7 of the bracket to retain the bracket in its extended position, the movement of the bracket from its extended position causing the spring to deflect.
Patent GB-1205797-A (GB)
Title: Forging and upsetting machines
IPC: B21J9/06
Filed: 1967-10-24
Abstract: 1,205,797. Upsetting. CENTRALNE BIURO KONSTRUKCYJNE PRAS I MILOTOW. 24 Oct., 1967 [24 Oct., 1966], No. 48371/67.  Heading B3H.  An upsetting machine has its header slide 3 actuated mechanically and a gripping die 2 is actuated by hydraulic means 7. The slide is driven by a crank-shaft 4 and has an hydraulic cylinder portion 5 movable over a fixed piston, whereby during the heading stroke, pressure liquid is forced through check valve 6 into cylinder 7 to actuate the gripper slide 16 and cause die 2 to grip the workpiece against a fixed die I. When the pressure in cylinder 7 reaches a preset value, a pressure switch 8 opens a valve leading to an air loaded accumulator 9. During retraction of the header slide 3, the gripping dies remain closed until a cam 11 driven from the crank-shaft or by the slide 3, opens a non- return valve 12. Immediately thereafter a roller 13 on the header slide engages an adjustable cam 14 to raise lever 15 which retracts the gripper slide 16. The end of the outstroke of the gripper slide is cushioned by an hydraulic damper system 17 which operates an ejector 18 in die 1 and another ejector 19 in die 2. Ejector 19 may be operated mechanically. The crankshaft may be driven through a one-revolution clutch and in the rest position of the machine, a locking pin 22 actuated by a compressed air cylinder 21 slides under lever 15 to hold the gripper slide 16 in its raised position. The open gap between the dies 1, 2 may be adjusted by the locking pin 22. In a horizontal upsetting machine the gripper slide 16 may be disposed to move horizontally or vertically.
Patent GB-1215937-A (GB)
Title: Improvements in or relating to apparatus for the detection of breaks in textile material
Inventor: RUBACH ALEXANDER
IPC: D01H13/16
Filed: 1967-10-26
Abstract: 1,215,937. Yarn breakage detection. LOUIS NEWMARK Ltd. 25 Oct., 1968 [26 Oct., 1967], No. 48676/67. Heading D1D. A break in a yam which is rapidly rotating in a spinning machine is detected by a pneumatic device consisting of a detector means which is arranged to maintain a predetermined pressure in a conduit only if the yarn is rotating past the detector means, a pneumatic relay device connected to the conduit and responsive to any variation of pressure therein, the relay device controlling an actuator means for producing a desired action, e.g. stoppage of the spinning machine. The yarn detector may comprise a pivoted arm 15 biassed, by gravity or a spring, away from a predetermined position in which it prevents passage of air under pressure from a source 23 to the conduit, the arm being retained in the position by repeated pressure thereagainst of the rotating yam. A two chamber relay device 24 has its lower chamber 28 connected to the source of pressure 23. During rotation of the yarn arm 15 prevents passage of air through conduit 20 and pressure in upper chamber 29 is insufficient to cause valve 35 to open. But on breakage pressurized air passing through conduit 20 into chamber 29 opens the valve to permit air to pass to the actuator 25 via pipe 31. Alternatively the yarn detector may consist of a pierced lappit 50 forming part of a conduit 24, the yarn when rotating repeatedly obstructing the apertures 51. The relay device in this embodiment being divided into two chambers by a flexible diaphragm 57.
Patent GB-1448022-A (GB)
Title: Dental patients chair
IPC: A61G15/02
Filed: 1973-10-22
Abstract: 1448022 Dental chairs SIEMENS AG 22 Oct 1973 [21 Oct 1972] 49114/73 Heading A4J The base of a dental chair is of welded constructions and comprises either a base-plate 15 to which a box 16 provided with reinforcements 26 is welded or a base-plate 30 to which a tubular metal frame 31, 32 is welded. Brackets 12, 13 or 34 to 37 for pivotally supporting a parallelogram linkage (2) Fig. 1 (not shown) are welded to the base.
Patent GB-1156737-A (GB)
Title: Apparatus for Discharging Bottles or the like from Bottle Washing Machines.
IPC: B08B9/44
Filed: 1967-10-31
Abstract: 1,156,737. Conveyers. HOLSTEIN & KAPPERT MASCHINENFABRIK . PHOENIX G.m.b.H. 31 Oct., 1967 [30 Dec., 1966] No. 49303/67. Heading B8A. Bottles are discharged from a washing machine 1 by cams 8 which interleave with elements of a grating 10, 11, having a " walking beam " action. The grating feeds the bottles to a continuous conveyer 12.
Patent GB-1161068-A (GB)
Title: Magnetic Coating Composition
Inventor: MATSUMOTO KENGO
IPC: G11B5/70
Filed: 1966-11-04
Abstract: 1161068 Magnetic compositions SONY CORP 4 Nov 1966 [6 Nov 1965] 49496/66 Index C3B B1 L4H C21 C8R C8B C6X C8P C11 L6G C1 C25 C12 C27 L5X. Index C3R 32 L4H C21 C8R C8B C6X C8P C11 L6G C1 C25 C12 C27 L5X A magnetic coating composition is prepared by dispersing magnetic pigment particles in a vehicle comprising an additive having a dispersing action for the pigment and containing an atomic grouping with active hydrogen or a carboxylic acid group, to form a dispersion, and adding to the dispersion a material capable of reacting with the additive to form a cured epoxy, urethane or urea resin or a mixture or compound of two or more of these resins. The vehicle preferably comprises also a polymeric binder which does not contain active hydrogen atoms or a carboxylic acid anhydride group. In typical Examples, (1) red Hematite is mixed with a polyoxyaminodiol, a vinyl chloride-vinyl acetate copolymer, dioctyl phthalate and methyl ethyl ketone to form a dispersion to which is added a tolylene diisocyanate/methyl ethyl ketone solution, the resulting solution being coated on to the base of a magnetic recording medium; (2) iron oxide of a Fe-Co alloy powder is mixed with a primaryl alkylamine, vinyl chloride-vinyl acetate copolymer, toluene and methyl ethyl ketone to form a dispersion to which is added a second solution comprising ditolylene diisocyanate and methyl ethyl ketone to form a urea resin: (3) iron oxide, diethylene triamine, a vinyl chloridevinyl acetate copolymer, dibutyl phthalate and methyl isobutyl ketone are mixed to form a dispersion to which is added a solution of an epoxy resin in methyl ethyl ketone. Other examples are specified.
Patent GB-1175969-A (GB)
Title: Automatic Alarm Transmitting System
Inventor: SHORROCK STANLEY
IPC: H04M11/04
Filed: 1966-11-08
Abstract: 1,175,969. Substation circuits. SHORROCK DEVELOPMENTS Ltd. 14 Nov., 1967 [8 Nov., 1966], No. 49976/66. Heading H4K. An alarm device adapted to respond to a plurality of different alarm conditions by establishing a connection through an automatic telephone exchange and transmitting an appropriate spoken message transmits the spoken message giving the most urgent alarm condition that exists at that time. The arrangement described can also respond to an incoming call and transmit existing alarm conditions in priority order. As shown, it can respond to five different alarm conditions, two of which require an appropriate message to be sent to one attendant while the other three require an appropriate message to be sent to another attendant. The dialling pulses necessary to establish connections through the exchange to the substations at which they may be found are recorded on separate closed loop magnetic tapes, and the five spoken messages appropriate to the fire alarm conditions are recorded on further closed loop magnetic tapes. An extra tape carries a message to the effect that no alarm condition exists. In the event of the occurrence of one or more alarm conditions, all tapes commence to transport past their read heads and the appropriate read heads are enabled. The six message tape read heads have their outputs amplified by amplifiers which are connected together as a priority chain and, if operating, inhibit the outputs of all amplifiers of lower priority. Thus only the most urgent message is transmitted. A ringing tone detector responds to an incoming call to initiate the tape transport mechanisms to transmit to line, the message of the most urgent alarm condition that exists at the time of the call, or a message to the effect that no alarm condition exists. The alarm condition relays also control local indicator lamps.