baber/WOPTO huggingface dataset:
Patent GB-1038782-A (GB)
Title: Electronic code translator
IPC: G06J1/00
Filed: 1963-01-30
Abstract: 1,038,782. Electric selective signalling. GENERAL DATA CORPORATION. Jan. 30, 1963 [Feb. 5, 1962], No. 13141/66. Divided out of 1,038,781. Heading G4H. A digital code translator comprises a digitalto-analogue converter responsive to an input number, the output being connected to an analogue-to-digital converter of which the scale of operation is offset in relation to the digitalto-analogue converter by a half a bit so that the combined errors of the two converters are ignored. In this form shown first and second 4- bit numbers D501 and D502, Fig. 1 (not shown), are applied to digital-to-analogue converter 503, the output is amplified at 504 and applied to a five-bit analogue to digital converter. A number of units 505, 507 &c. may be connected in series the highest significant bit being entered as the carry term in the next highest unit. In Fig. 2 (not shown) curve 608 represents the output of amplifier 504 and curve 609 indicates the operation of converter 505. It changes state at approximately the middle of the step between adjacent input digits so that errors 611, 612 do not affect the correct relationship between input and output. The analogue-to-digital converter, Fig. 3 (not shown), consist of a number of threshold units 100, 101, 102, 103. The first has a threshold of 8 and if this is exceeded it gives an output and causes 8 volts to be subtracted from the inputs to succeeding threshold devices. The next operates at 4 volts and, if this is exceeded it gives an output and subtracts 4 volts from the inputs to the remaining devices and so on. A signal representing the complete number is subtracted from the original input voltage and the difference passed by amplifier 106 to a similar circuit providing four digits representing the next lower decade. The threshold circuits Fig. 4 (not shown), are designed with feed backs through resistor R1 so that there is hysteresis amounting to approximately half a bit that is a change in one direction does not take place until the nominal level has been exceeded by half a bit value and in the other the change is delayed until the input is half a bit less than the threshold value. The digital-to-analogue converter, Fig. 5 (not shown), has compensating resistors r1-rn corresponding to each of the weighted resistors R1-Rn. When one of the resistors R1-Rw is switched into circuit by the presence of a corresponding input bit, the resistor r1-rn is switched out. The impedance of the output line 400 is thereby kept substantially constant.
Patent GB-132043-A (GB)
IPC: B64C11/06
Abstract: 132,043. Diggle, S. Sept. 6, 1918. Screw propellers.-Relates to hollow, metal, built-up propellers or tractors of the kind described in Specification 102,412. The framework on which the metal skin is secured comprises a number of longitudinals d<1>, Figs, 1, 2, and 3, each formed of a pair of plates d<2> adjustably secured together face to face by bolts passing through slots d' in one of the plates. The inner ends of the plates are looped so as to pass into a slot b<2> in the carrier b' on the boss a<1> of the hub, a pin d<3> passing through the loop to secure the longitudinal. The transverse members e, Fig. 8, which are slotted to engage with the longitudinals, each consists ot two shaped plates adjustably secured together face to face by bolts e<4>. The skin is riveted to the transverse members, or to the longitudinals when the transverse members are not used, by projections g so formed in notches on the edges of the plates that the skin may be left after riveting with a smooth surface. To vary the pitch of the blade, the carrier may be adjustably secured to the hub by means of three pairs of pins a<3>, Fig. 5, passing through the boss on the hub and so arranged that only one pair of pins can engage at the same time with pairs of holes b<3> in the screwed boss b of the carrier. The framework may be reinforced by brackets, blocks, struts, or guys.
Patent GB-858830-A (GB)
Title: Dead ends for cables
IPC: D07B1/18
Filed: 1959-04-17
Abstract: 858,830. Cable dead ends. SLATER CO. Ltd., N. April 17, 1959 [May 21, 1958], No. 13204/59. Class 109. A closed attachment loop in a cable is formed by preforming a plurality of helical elements to such an internal diameter as to cause them to grip the cable tightly when wrapped coaxially thereabout, wrapping a first portion of each element about the cable, forming a loop in the cable beyond the first wrapped portion, and wrapping a second portion of each element about the cable beyond the loop. A dead-end in a cable is formed by passing one end 13 of the cable through an eye in a ground anchor 21, and attaching clamping members 4, Aa to the run of cable 2 and end 13 respectively. The members 4, 4a are joined by a chain 8, and the cable 2 tensioned by pulling up this chain with ratchet mechanism. Helically preformed elements of aluminium, galvanized steel, bronze, stainless steel, copper, copperweld or synthetic or treated wood, preferably as shown in Fig. 5, are wrapped over half their length around the run of cable 2 and over the other half around the end 13. Specification 817, 535 and U.S.A. Specification 2, 587, 521 are referred to.
Patent GB-858542-A (GB)
Title: Improvements in or relating to glow discharge tubes
IPC: H01J17/30
Filed: 1957-04-25
Abstract: 858,542. Discharge tubes. PHILIPS ELECTRICAL INDUSTRIES Ltd. April 25, 1957 [April 28, 1956], No. 13222/57. Class 39(1). A glow discharge tube for use in switching networks has a conductor 4, 5 connected to the anode 3 so constructed and arranged with respect to a conductor 2 connected to the cathode 1 that the ignition voltage between the conductors 5 and 2 in the cold state of the tube is equal to the ignition voltage between the anode 3 and the cathode 1 in the hot state of the tube. The loop 5 of the conductor 4 is situated in a region of the tube wherein substantially no density variation of the filling occurs between the cold and hot states of the tube. An auxiliary cathode 6 is screened by a plate 7 connected to the conductor 4 and an auxiliary discharge of 1ÁA is maintained therebetween to compensate for ignition delay. The anode 3 terminates in a point having a radius of curvature of 0À05 mm. The cathode 1 is U-shaped and of molybdenum. Dimensions are stated. The filling is neon at a pressure of 48 mms. in a volume 6 cms<SP>3</SP>.
Patent GB-636841-A (GB)
Title: Improvements in and relating to ceramic seals
IPC: C04B37/00
Filed: 1948-05-14
Abstract: An intimate coating of zirconium is formed on a ceramic surface to facilitate bonding the surface to a metal member or to another ceramic member.  The surface is coated with zirconium hydride and then heated, preferably in vacuo to a suitable temperature to bond the reduced zirconium to the ceramic.  Abutting ceramic surfaces may be treated in the same way and then bonded together or metallic members may be soldered to a zirconium-coated ceramic surface.  This may be carried out by interposing a mixture of zirconium hydride and solder between the ceramic and metal surfaces, and then heating the assembly in vacuo or in an atmosphere of hydrogen.  This process may be used concurrently with that disclosed in Specification 625,371 to obtain a coating consisting of a mixture of titanium and zirconium by using a mixture of titanium hydride and zirconium hydride. Specification 527,409 also is referred to.
Patent GB-405940-A (GB)
Title: Improvements in fuel injection pump
IPC: F02M59/36
Filed: 1932-05-07
Abstract: 405,940. Fuel-injection pumps. INGERSOLL-RAND CO., 15, Exchange Place, Jersey City, New Jersey, U.S.A. May 7, 1932, No. 13257. Void [Abridged as open to inspection under Sect. 91 of the Acts, July 8, 1933]. [Class 102 (i).] In a fuelinjection pump a by-pass valve v of piston type is employed, having a central passage 2 in constant communication with a space g, which is connected to the suction passage U by a passage j. The valve v works in a bore in a body k, formed with a part of enlarged diameter, which is secured against a shoulder in the pump casing by a gland t, with interposed packing s, p. The bore 2 communicates through ports 3 with an annular recess 4 in the valve and, in the inner position of the valve, the recess 4 communicates with the pump chamber G through passages 6, 7. The valve v is operated by a lever 9 with variable fulcrum 11. Specification 244,274, [Class 102 (i), Pumps &c.], is referred to.
Patent GB-454034-A (GB)
Title: Improvements in or relating to reinforced, corrugated board and to processes for themanufacture thereof
IPC: E04F13/04
Filed: 1935-05-03
Abstract: 454,034. Compound reinforced fibrous sheet materials. LOOSEN, R., 270, Alte Gladbacherstrasse, Krefeld, Germany. May 3, 1935, No. 13260. [Classes 96 and 140] [See also Group X] Reinforced, corrugated board for use in building, e.g. as lathing is made by uniting a length of millboard, cardboard, &c. corrugated by a device 19, 20 to spaced reinforcing strips, bands, &c. 23 by means of pins, rivets, staples, &c., or prongs 25 on the strips, union being effected by a continuous or intermittent pressure-applying device 21, 22. The reinforcing strips &c. may be metal wires, strips, or bands, and the prongs may be formed therein by a stamping device 31 in their path from supply rolls 24 to the point of union. The reinforced board may be passed through a receptacle 27 containing an impregnating material such as tar, and, if desired, cooled by a water spray 30 before being wound up at 29. Holes as well as prongs may be stamped in the metal strips. Reinforcing strips &c. may be applied on both sides.
Patent GB-897455-A (GB)
Title: Improvements in or relating to means for shutting down nuclear reactors
Inventor: HOPKINS SHIRLEY RUSSELL
IPC: G21C9/02
Filed: 1959-04-17
Abstract: 897,455. Controlling reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. April 7, 1960 [April 17, 1959], No. 13261/59. Class 39(4). In a device for shutting down a reactor by dropping a number of strongly neutronabsorbing bodies into a vertical tube in the reactor core, the bodies are normally contained in a magazine closed by a movable member connected to a retaining member by a mechanical pressure-sensitive device in such a way that the movable member can be displaced to release the bodies either by movement of the retaining member or by a dimensional change in the pressure-sensitive device caused by a change in the ambient pressure. A sleeve 29 can be lowered to align ports 20 and 32 by release of an armature 24 from an electromagnet or by expansion of a bellows 30 caused by a sudden drop in reactor coolant pressure, thus letting boron steel balls 5 drop into a tube 16. A bleed hole in the bellows allows for gradual pressure changes. The armature can act directly on the sleeve through rods 42, and a stop 43 is provided. The magazine is recharged by raising the tube 16 until the balls drop back through ports 19 and 15; these ports are in practice offset 90 degrees from ports 20, 32. Specifications 857,432 and 897,456 are referred to.
Patent GB-1025449-A (GB)
Title: Non-defeat snap action switch for timers and the like
IPC: H01H13/28
Filed: 1963-04-03
Abstract: 1,025,449. Snap-action switches. GENERAL TIME CORPORATION. April 3, 1963 [May 25, 1962], No. 13278/63. Heading H2B. Pressure applied to plunger 15 actuates the switch in one direction and pressure on plunger 16 actuates the switch in the opposite direction even if the pressure on plunger 15 is sustained. Plunger 15 has an engaging surface 41 (Fig. 3a, not shown), which moves an overcentre spring 30 sufficiently to snap a movable contact 25 between fixed contacts 21, 22 and a spring 51 engages a recess in the plunger 15 to make it retractive. Plunger 16 has an angled surface 42 (Fig. 3a, not shown), which, if plunger 15 is held depressed, cams the spring 30 outwardly and into a recessed portion 45 of the plunger 15 such that movable contact 25 snaps back again between contacts 22, 21. Plunger 15 is depressed by hand to turn on a controlled device and start a timing mechanism to produce automatic shut-off after a predetermined time interval when a timing cam engages plunger 16 (Fig. 1, not shown). Alternatively, a first timing cam initially depresses plunger 15 and a second timing cam operates plunger 16. Surface 41 may be angled so that plunger 16 causes operation of the switch at the same point whether plunger 15 is depressed or not (Fig. 8, not shown). The plungers 15, 16 are interfitting (see especially Figs. 5, 6, not shown).
Patent GB-133028-A (GB)
IPC: D04C3/18
Abstract: 133,028. Argovia Akt.-Ges. Sept. 27, 1918, [Convention date]. Braiding - machines.-The spool b is wound on a cardboard &c. tube c which is wedged on to a metal tube d loose on the spindle a. The upper end of the tube d carries a ratchet d<1> normally engaged by a pawl k, k<1> pivoted at l on a standard e, the ratchet engaging end having an horizontal movement. The thread is passed into hooks m, n, o of the standard e, over the hooked arm k of the pawl, under a pulley h, and through an eye p. The pull of the thread as it passes to the lowest hook m tends to prevent the spool b from rising. A reduced part of the pulley h works in a guide-slot r, and is drawn up against the pull of a spring g by the tension of the thread, until by engagement of the pawl k, k<1> with the pulley h, the arm k<1> is removed from the teeth of the ratchet d and the spool is thereby allowed to turn and deliver thread. The lower end of the spring g is attached to a loose block f sliding on the reduced lower end of the standard e and normally held up against shoulders q. Should the thread break or the spool run empty, the block f drops and operates a stop-motion. Instead of the pawl arm k<1> engaging a ratchet d<1>, it may be pressed by the tension of the thread or by supplementary spring action on the smooth periphery of the thread supply.
Patent GB-692623-A (GB)
Title: Improved sediment remover for use in aquariums, tanks, and the like
IPC: A01K63/10
Filed: 1950-05-26
Abstract: 692,623. Gravity-separation apparatus; filters; systems of filtration. SMITH, R. A. G., and HOREMAN, T. J. Aug. 23, 1951 [May 26, 1950], No. 13340/50. Class 46 [Also in Group XXVIII] In a sediment remover in which - soiled water -and sediment are lifted from the bottom of an aquarium or the like 8 by the action of air blown by an air-pump into an airtube 6 connected near the bottom of a water-lift-tube 2, the water and sediment discharging from the upper end of the tube 2 into a container 3 and filter bag 4, the air-flow through the tube 6 is restricted by means such as a plug, disc, small-diameter tube or the like preferably having one or -several fine openings therethrough and being situated at one or more of the places 7, 7a, 7b. The filter bag 4 has its upper end fastened round the lower end of the container 3 and its lower end closed by a removable clip 5.
Patent GB-704310-A (GB)
Title: Production of vat dyestuffs
IPC: C09B47/06
Filed: 1948-11-12
Abstract: Cobalt phthalocyanines substituted by less than four sulphonic acid, sulphinic acid, sulphonamide, sulphonalkylamide, sulphondialkylamide, carboxylic acid, carboxylic amide or nitro groups are obtained by heating to 170-250 DEG C a mixture of (1) an o-arylene dicarboxylic acid, anhydride, amide or imide containing one of the above substituents with (2) an o-arylene dicarboxylic acid, anhydride, amide or imide unsubstituted or substituted by groups decreasing the hydrophilic properties; urea and ammonium molybdate are included in the reaction mixture, and preferably also an organic solvent.  The products may comprise mixtures of hydrophilic substituted and nonhydrophilic substituted cobalt phthalocyanines, and are vattable. If the hydrophilic group is sulphonic acid, such a mixture may be made by sulphonating cobalt phthalocyanine until the product contains 15-40 per cent of the monosulphonic acid.  In the examples, cobalt phthalocyanine is partially sulphonated as above, and phthalocyanines are made from mixtures of (1) phthalic anhydride and sodium 4-sulphophthalate, (2) phthalic anhydride and phthalimide-4-sulphonamide, (3) phthalic anhydride and phthalimide-4-sulphomethylamide, (4) phthalic anhydride and phthalic acid-4-sulphodimethylamide, (5) 4-bromophthalic anhydride and phthalimide-4-sulphomethylamide, and (6) phthalic anhydride and 4-nitrophthalic acid.  The Provisional Specification refers generally to the production of hydrophilic-substituted cobalt phthalocyanines by starting with suitably substituted phthalic acid derivatives or by introducing the substituents after complex formation.  Additional hydrophilic groups mentioned are hydroxy, alkoxy, sulphon-aralkylamide, cyano, amino, alkylamino and acylamino.  In further examples, (1) cobalt phthalocyanine is treated with phosgene in the presence of aluminium chloride and sodium chloride; the product may be mixed with cobalt phthalocyanine; (2) a dyestuff is obtained by heating together cobalt phthalocyanine, trimellitic acid, cobalt sulphate, urea, ammonium chloride and ammonium molybdate; (3) cobalt phthalocyanine is heated with phthalic anhydride and aluminium chloride.  Specifications 322,169, [Class 2(iii)], and 460,147 are referred to.
Patent GB-852350-A (GB)
Title: Electrical interference suppression filter
Inventor: FIRST MERVIN HENRY
IPC: H03H1/00
Filed: 1957-04-26
Abstract: 852,350. Filters. J. & G. DEVELOPMENT CORPORATION. April 26, 1957 No. 13454/57. Class 40(8). [Also in Group XXXVI.)  A # or L-section interference filter comprises a radio frequency choke and one or more feedthrough capacitors all enclosed in a metallic housing, the input leads to the capacitors being shielded from each other by shielding compartments arranged inside the housing. In the #-section filter shown, metallic shields 24, 25 having slots 24a, 25a enclose diagonally opposite corners of a metallic housing 21. The outer electrodes of non-inductive feed-through capacitors 19, 20 are connected at T6, T5 around the edges of the slots in such a manner that the feed - through leads of the capacitors may pass through the slots. The remaining portions of the slots not covered by the outer electrodes of the capacitors are sealed by metallic members. Alternatively, the slots are replaced by small openings which are completely surrounded by the electrodes. In this case the electrodes may be spaced from the shields and connected to them by hollow, flexible conductors. The feed-through leads are connected at one end to insulated terminals 28, 29 arranged on opposite sides of the housing 21. At the other end, the feed-through leads are connected at T3, T4 to the inner electrodes of the capacitors. A radio frequency choke 18 is connected between the inner electrodes. In an alternative arrangement, the terminals 28, 29 are mounted on the same side of the housing and external shielding is provided between them.
Patent GB-885764-A (GB)
Title: Self-aligning clutch assembly
IPC: C07C19/14
Filed: 1960-04-14
Abstract: 885,764. Friction clutches. BENDIX CORPORATION. April 14, 1960 [April 27, 1959], No. 13489/60. Class 80 (2). In a clutch a friction element 12 is moved axially into engagement with an element 14 by energizing a solenoid 10, the element 12 being carried by a diaphragm 18 which, when the clutch is disengaged, holds a conical seating 34 on the element in engagement with a complementary seating 36 at the end of a boss 32 of the flanged disc 25 to which the diaphragm is secured. By this arrangement vibration and fatigue failure of the diaphragm are avoided. A radial clearance 37 is provided between the element 12 and boss 32 to allow free axial movement of the element 12. Specification 662,853 is referred to.
Patent GB-1068657-A (GB)
Title: Improvements in chucks for milling machine cutters
Inventor: PEPPER HERBERT
IPC: B23C5/26
Filed: 1966-03-28
Abstract: 1,068,657. Arbors. SHEFFIELD TWIST DRILL & STEEL CO. Ltd. March 28, 1966, No. 13635/66. Addition to 1,068,656. Heading B3K. A modification of the arbor of the parent Specification in which the spring is replaced by a resilient ring 11. A tool mounted on the threaded portion 7 and centred by the plain portion 8 is released by screwing the nut 10 away from the tool, the threads on the nut and the portion 7 being of opposite hand. The sleeve 9a and the nut 10 are retained on the arbor by a split ring 12.
Patent GB-1203693-A (GB)
Title: Thixotropic polyurethane compositions
IPC: C08K3/36
Filed: 1968-03-21
Abstract: 1,203,693. Polyurethane coating. TAKEDA CHEMICAL INDUSTRIES Ltd. 21 March, 1968 [23 March, 1967], No. 13655/68. Heading B2E. [Also in Division C3] A vertical surface of a steel plate may be coated with a thixotropic polyurethane composition prepared by mixing a 75% by weight ethyl acetate solution of a polyurethane prepolymer prepared from trimethylolpropane and an 8:2 weight ratio mixture of 2, 4-tolylene . diisocyanate and 2, 6-tolylene diisocyanate with a colloidal silica of 5 to 40 Á average particle size, polyethylene glycol, thinner and a polyesterpolyol.
Patent GB-143541-A (GB)
Title: Improvements in apparatus for regulating the voltage of dynamo electric machines
IPC: H02J7/22
Filed: 1920-05-18
Abstract: 143,541. Jullin, A. J. April 30, 1918, [Convention date]. Dynamos, regulating.-In vibrating regulators for dynamos, the vibrating armature moves between two contacts and alternately closes two circuits, both of which include the dynamo fieldmagnet winding, but have different resistance values; the field winding is connected between the vibrating armature and a supplementary brush on the dynamo, or the winding is connected to two contact points between which the vibrating armature moves. A condenser may be placed across the vibrating armature and each of the contacts. As shown in Fig. 4, the field winding is connected across a bridge formed by resistances 44, 45, 46, 47; in a modification, the resistances 46, 47 are dispensed with. Two regulators may be used, one set to work at a different value to the other. One armature 43, Fig. 6, vibrates between contacts I, J, and is connected through a rasistance 49 to one side of the generator, while the other is connected through resistance 49b to the other side of the generator armature; in a modification, the resistances in the vibrating armature leads are omitted and resistances inserted in the leads to the fixed contacts. The resistances prevent short-circuiting of the generator armature, if one of the vibrating armatures should move in the wrong direction. The field winding regulated may be that of a booster in series with the generator field winding. The coil for the vibrating armature may be in a relay circuit; it may be a series coil or a compound coil. The Specification as open to inspection under Sect. 91 (3) (a) also describes the following arrangements :-the field winding 22, Fig. 1, (Cancelled) is connected between two resistances 23, 24 at one end and at the other to the armature 29 and between resistances 26, 27<a>, 27b, 28; the armature moves between contacts E, F. In another arrangement the field winding 22, Fig. 6, (Cancelled) is connected to one side of the dynamo armature, and the vibrating armature with a resistance 27 between the contacts. Resistances 32, 33 form field discharge resistances. In another arrangement the armatures 56, 56b, Fig. 12 (Cancelled) vibrate between contacts arranged as shown, resistances 54, 55 being included in the main lead. The regulated field winding may be a compounding winding. This subject-matter does not appear in the Specification as accepted.
Patent GB-137053-A (GB)
IPC: E04C5/06
Abstract: 137,053. Poulsen, A. M. Dec. 24, 1918, [Convention date]. Reinforced concrete.-To prevent displacement of the main bars, the ends of the bonds bare bent partly around the lower bars and then extend along the bars as shown at c and are wired in place. In a modification, the ends of the bonds are several times about the rods.