baber/WOPTO huggingface dataset:
Patent GB-683751-A (GB)
Title: Improvements in or relating to die or press casting machines
IPC: B22D17/32
Filed: 1951-04-12
Abstract: 683,751. Casting- machines. SAUTER, H., and HAHN, W., (trading as HAHN & KOLB). April 12, 1951 [May 4, 1950], No. 8512/51. Class 83 (i). A die-casting machine comprises a piston serving to force molten metal from an unheated pressure chamber into one or more dies laterally connected therewith and also to eject the residue and a counter-piston serving as the base of the chamber and also as a rotary valve controlling the passage or passages leading to the die or dies. A chamber 10 communicates by a passage 16 with a die comprising a fixed part 40 and a movable part 39 carried at the end of a hydraulic piston 38. The bottom of the container is normally closed by a counterpiston 11 supported in an extension of a hydraulic piston 41 so that it may be rotated by an integral projecting lever 12. When in its upper position the piston 11 closes the passage 16 unless rotated so that a slot 15 in the upper end is in communication with the passage. This rotation may be effected against a spring 13 by an auxiliary piston 9. The piston or plunger 5 may be moved down into the container by pressure from a hydraulic accumulator 1. In operation, pressure fluid from a pipe 17 passes by a control valve 30 to raise the plunger 5 and retract the piston 9 and by another valve 31 to press the die parts together and raise the piston 41 so that the counter-piston 11 closes the passage 16. Molten metal is then poured into the chamber 10 and the valve 30 operated so that pipe 22 is connected to exhaust and the plunger 5 descends under the pressure of the accumulator, connected by a pipe 6 to the piston 9 which is moved outwards to turn the arm 12. By means of a throttle valve 7 it is arranged that the opening of the passage 16 occurs just before the plunger reaches the surface of the metal, which is then forced into the die. After solidification of the metal the valve 31 is operated to exhaust pressure fluid from the spaces 34, 35 and supply it to spaces 44, 45, the surfaces of the pistons 38, 41 exposed to such fluid being such that the piston 41 moves down first, aided by the pressure exerted by the plunger 5 which severs and ejects the residue from the chamber. Piston 38 then moves to open the die. Valves 30, 31 are again operated to return the parts for another casting operation.
Patent GB-961275-A (GB)
Title: Process for the manufacture of basically substituted phenol ethers
Inventor: ENGELBRECHT HEINZ JOACHIM
Filed: 1963-03-04
Abstract: In the manufacture of basically substituted phenolic ethers by reacting an alkali salt of a mono- or poly-hydric phenol with a water-soluble salt of a tertiary alkylaminoalkyl halide, the reaction is effected under alkaline conditions in the presence of water as a solvent and at a temperature not above 60 DEG C.  In Example 1, o-benzylphenol in an aqueous solution of caustic soda is treated at 50-60 DEG C. with an aqueous solution of b -diethylaminoethyl chloride hydrochloride to yield b -diethylaminoethyl-2-benzylphenol ether.  Other examples describe the manufacture in similar fashion of b -dimethyl-aminoethyl-2-benzylphenol ether, b -diethylamino ethyl phenol ether, b -diethylaminoethyl-p-cresol ether, b -diethylaminoethyl-p-nitrophenol ether and 1, 2, 3-tris-(b -diethylaminoethoxy)-benzene (from pyrogallol and b -diethylaminoethyl chloride). The hydrochlorides of the products of the first five examples and the tris-ethoiodide of the product of the last example are described. Specifications 741,982 and 743,106 are referred to.
Patent GB-278594-A (GB)
Title: Improvements in oil lubrication devices
IPC: F16N7/20
Filed: 1927-03-28
Abstract: 278,594. Letzner, K., and Climax Motorwerke und Schiffswerft Linz Akt.-Ges. March 28, 1927. Channels and reservoirs in engine crank casings. -In a motor, the oil compartments c of the selflubricating main crank shaft bearings communicate with the main lubricating chamber d, a separating level maintaining rib h and a common filling opening g, being provided. A pump piston i operated by a link f distributes oil to various points from the main chamber.
Patent GB-1504873-A (GB)
Title: Electromagnetic devices
IPC: H01H50/16
Filed: 1974-02-26
Abstract: 1504873 Electromagnets SIMMS GROUP RESEARCH & DEVELOPMENT Ltd 18 Feb 1975 [26 Feb 1974] 8606/74 Heading H1P An electromagnetic device comprises a pair of relatively movable magnetizable members, and a winding or windings carrying an energizing current to produce relative movement of the members; a magnetizable core member 10 (Fig. 1) being secured by a threaded stud to a support 11, and a cup-shaped member 12 retained by the stud locating a magnetizable annulus 13 about the core while permitting limited relative axial movement between the members which are mutually located by a sleeve 12a at the opposite end. Slots are provided exteriorly of core 10 and interiorly of annulus 13 in the form of, e.g. 2 start interengageable threads permitting mutual axial movement and defining helical slots 14, 15 of the core and interengaging helical projections 16, 17 of the annulus. Continuous insulated windings 18, 19 are disposed in one slot from the stud end to the sleeve end, through aperture 20, and back in a reverse direction along the other slot. The projections of the core and the annulus have respective radial side faces 21, 22 and inclined side faces 23, 24 which on de-energization are disposed adjacently in parallel to leave gaps therebetween. Energization of the windings generates an additive flux operative to urge the members together and to reduce the gaps between faces 21, 22; thereby producing a mechanical force. The windings may comprise two distinct turns in series or parallel (Fig. 3, not shown) or four turns (Fig. 6, not shown). The annular member may be lightened by machining off surplus material (Fig. 4, not shown) and the slots may be reduced in size and filled with copper (Fig. 5, not shown). A pair of multiple windings may be provided in each slot (Fig. 7, not shown) of which one is continuously energized to provide base flux and the other is selectively energized for operation. The windings may be disposed in the internal slots of the annulus as well as in the external slots of the core, with an annular member movable therebetween having projections positioned in the slots of the annulus and the core respectively (Fig. 8, not shown); the windings being energizable together for single action or separately for double action. The peripheral surfaces of the core and the annulus may be axially slotted to increase flux penetration. Two electromagnetic devices as described may be connected back to back for double action, and to reduce rotational torque two devices with helical threads in opposed directions may be connected to operate in the same sense.
Patent GB-1061552-A (GB)
Title: Method of melt-spinning mixed synthetic polymers
IPC: D01F6/04
Filed: 1964-03-02
Abstract: 1,061,552. Melt spinning mixed synthetic polymers. KURASHIKI RAYON KABUSHIKI KAISHA. March 2, 1964 [March 12, 1963], No. 8668/64. Heading B5B. A mixture of a polyolefine (or a copolymer consisting mainly of a polyolefine) and a polymer of a cyclic vinyl compound (or a copolymer consisting mainly of a cyclic vinyl compound) is melt spun and a zone extending from the spinneret face to a plane spaced 10 cm. from the spinneret face and having a cross-section equal in shape and area to the spinneret face is artificially cooled to such an extent that the temperature at any given point in the zone is at least 10‹ C., and preferably more than 20‹ C., lower than it would be if the zone were not artificially cooled. In the example, the temperature of the zone near its peripheral boundary is measured at five points whose distance from the spinneret face ranges from 0À5 cm. to 6 or 7 cm. In the examples, the melt consists of a mixture of polystyrene and polypropylene or polyethylene. Other polyolefines which may be used are polybutylene, polyisobutylene or poly-4-methyl pentene. The polyolefine may be copolymerized with 2 to 45% by weight of butadiene, isoprene, acrylic or methacrylic acid, a derivative of these acids, or vinyl halides, vinyl esters. cyclic vinyl compounds or vinyl ethers. The cyclic vinyl polymer in the mixture may be polyvinyl toluene, polychlorostyrene, polydichlorostyrene, poly-alpha-methyl styrene, polyalpha-methyl-p-methylstyrene or copolymers of these compounds. The zone of travel of the bundle of filaments extending from the spinneret face to a distance 10 cm. therefrom may be cooled by blowing cooling air or an inert gas on to the zone from a hood surrounding the zone and provided with a large number of holes facing the zone. Alternatively the zone may be cooled by circulating cooling water or. another liquid cooling medium through a jacket surrounding the zone.
Patent GB-1425264-A (GB)
Title: Terminal connectors for light-conducting fibres
IPC: G02B6/28
Filed: 1973-02-22
Abstract: 1425264 Light guides F FORT 22 Feb 1973 [13 March 1972] 8683/73 Heading G2J [Also in Division G 1] A method of making a terminal connector for light-conducting fibres 3 comprises locating the fibres between to interengaging parallelepipedic casing halves 1, 2 each provided with an external flange 5 at one end so that the ends 3a, 3b of the fibres are clamped between the flanges, and removing the protruding flange portions and the fibre ends clamped between them and polishing the ends of the fibres at (6), Fig. 3 (not shown).
Patent GB-566985-A (GB)
Title: Improvements in or relating to means for effecting electrical connection to revolving band-stands and the like
IPC: H01R39/00
Filed: 1943-05-31
Abstract: 566,985. Swivelling couplings. HEIMANN, C. L. May 31, 1943, No. 8689. (Class 38 (i)] In a coupling for several circuits between a stationary base and a revolving platform, such as a band-stand, the conductors leading to a series of rotary sliding contacts pass in parallel arrangement, into an axial aperture traversing the series of contacts, the conductors for a sensitive circuit such as the circuit between a microphone on the platform and an amplifier on the stationary Door being carried to contacts at the remote end of the series and, at least where they are in proximity to the other conductors and contacts, being enclosed in a metal screen to isolate them from the influence of alternating currents in the other conductors. The base 11 carries a hollow upright 31 on which are fixed insulated contact rings 18 ... 21. The platform 15 mounted on bearings 13 carries pillars 34, 35 furnished with brushes 22 ... 25. The conductors 39 pass axially inside the upright 31 and are connected directly to the lower contact rings 21. The conductors 54, 55 of the sensitive circuit are enclosed by a screen 56 and are connected to terminals 51, which may be integral with the insulated bolts 45 that secure the rings 18 . . . 21 and the insulating spacers 43 together, and leads 57, 58 connect the terminals with the upper rings 19, 20, the screen 56 being connected to a terminal 52 and thence to the top ring 18.
Patent GB-999611-A (GB)
Title: Means for cooling turbine discs
Inventor: GUTTER GERHARD
IPC: F01D5/08
Filed: 1962-03-07
Abstract: 999,611. Cooling gas turbines. GASTURBINENBAW UND ENERGINMASCHINENESTWICKLUNG PIRNA VEB. March 7, 1962, No. 8725/62. Headings FIG and FIT. In a gas turbine engine coolant is conducted axially past stems 15 of the turbine blades 2 and through an annular chamber formed between the turbine stages. Filler members 16 are provided in the spaces between the blade stems 15 and between radial webs 11 in the annular chamber. The members 16, which are urged radially outwardly under the influence of centrifugal force, are made from sheet metal and carry spacing bosses 17. Stabilizing chambers 19 are formed on either side axially of the webs 11, since there is a greater number of cooling gaps formed in the turbine discs than in the annular chamber. The coolant is tapped off a relatively low pressure stage of the compressor, passes through a convergent throttling inlet all of the turbine stages and into the exhaust gas duct through an annular gap (Fig. 1, not shown).
Patent GB-564052-A (GB)
Title: Improvements in thermal responsive glow discharge switches
IPC: H05B41/08
Filed: 1943-06-01
Abstract: 564,052. Discharge apparatus. BRITISH THOMSON-HOUSTON CO., Ltd., and SCOTT, W. J, June 1, 1943, No. 8767. [Class 39 (i)] [Also in Group XXXVII] A glow discharge thermal responsive switch comprises two electrodes 9, 10 between which a glow discharge takes place at a predetermined voltage, the electrode 9 being a bimetal element which is heated by the discharge so as to open contacts 91 in a separate but related circuit. The contacts 91 are surrounded by a closely-fitting tube 11 so as to be shielded from the ionisation of the glow discharge and so prevented from passing current prematurely.
Patent GB-165515-A (GB)
Title: Improvements in or relating to telephones
IPC: H01H13/72
Filed: 1920-03-25
Abstract: 165,515. Kay, J., and Jennings, J. March 25, 1920. Keyboard switches; latching and unlatching.- An intercommunication telephone set of pedestal form is made with an arc of selector keys 16 fitted in the base 10. When a key 16 is depressed to make contact with a plate 24, the conical head 18 passes through an aperture in an arcuate locking-plate 25, which is mounted to move circularly between guiding-studs 26, and when the key is released the head 18 is latched by this pla.te and completes a circuit through it. A dummy key 35 is provided for shifting the plate 25 to release a latched key.
Patent GB-849129-A (GB)
Title: Improvements in and relating to building units
Inventor: CAFFERATA GERALD WATERWORTH
IPC: B28B19/00
Filed: 1958-03-19
Abstract: 849,129. Moulding building panels. BRITISH PLASTER BOARD (HOLDINGS) Ltd. June 18, 1959 [March 19, 1958], No. 8851 /58: Class 87(2). [Also in Group X] Corrugated bitumenised sheet 10, carrying metal strips 11, Fig. 1, is placed in the bottom of a mould 12, 13, Fig. 2, and wet plaster 15 is poured in to fill the corrugations and form a continuous upper surface, so producing a building unit with a waterproof face. In a modification, an intermediate member, Fig. 4, comprising corrugated asbestos-cement sheet 17 clad with metal strapping 18 faced with plaster 16 and with plaster edge fillings 19, is laid on the upper surface of a layer of plaster above a corrugated bitumenised sheet 10 in a mould and pressed down, so forming a hollow panel with a waterproof face. The opposite side may be given a waterproof face by first applying a butumenised sheet while making the intermediate member.
Patent GB-1328470-A (GB)
Title: Oceanographical measuring mast systems
IPC: E02D25/00
Filed: 1972-02-25
Abstract: 1328470 Subaqueous structures; locking universal joints HAGENUK 25 Feb 1972 [26 Feb 1971] 8858/72 Headings E1H and E2F [Also in Division G1] A subaqueous oceanographical mast 1 anchored by sinkers 2 comprises a plurality of sections 5 connected by universal joints 6 provided with locking devices to lock each joint and form a rigid mast when the sections 5 are placed in water. Each locking device Fig. 2 comprises a pair of levers 7 pivoted to a mast section 5 immediately above a joint 6 and held in an inoperative position by a corrodable release member 8, e.g. of magnesium. When released the two levers which are of semi-circular section pivot down to encase the joint 6, and a locking ring 10 slides down the section 5 and over the two levers 7 which have conically flared ends to retain the ring 10. Each section 5 has an instrument package 14 e.g. for recording current, temperature, conductivity and sound velocity, the data being fed by an electric cable 3 to a marker buoy 4 containing recording equipment and a power supply (see Division G1).
Patent GB-836300-A (GB)
Title: An improved apparatus for steering groups of vehicles comprising a towing machine and a trailer, when travelling in reverse
IPC: B62D53/08
Filed: 1958-03-20
Abstract: 836,300. Steering trailers. DINKEL, A., and DINKEL, K. March 20, 1958 [March 26, 1957; Sept. 18, 1967], No. 8925/58. Class 79(5) Trailers wheels 4 are steered during reversing by the engagement of symmetrically disposed buffer surfaces 16 on the towing vehicle with push rods 17 which are guided at 18 on the draw bar 2 and actuate the steering arm 8 through a three-arm lever 10, 12 and connecting rod 9. The push rods 17 comprise telescopic members 13, 14 which may be retracted into the non-operative position by links 21, 22 operated from the driver's cabin through chains or cables 34 rotating sprockets or pulleys 20' which turn the short link 21 through 180 degrees to over-centre locking positions. Cables &c. from the cabin move a slide 37, 37<SP>1</SP> guided at 24<SP>1</SP> on the drawbar 2 and carrying pulleys or sprockets 36, 36<SP>1</SP> for moving the chain or cable 34 with the blade 37. An extension of the slide 37 may engage a slot 41 in the track rod 7 to lock the wheels in the straight steering position when the push rods 17 are retracted.
Patent GB-554184-A (GB)
Title: Improvements relating to grinding
IPC: B24B5/42
Filed: 1942-06-30
Abstract: 554,184. Grinding crankshafts. FUGLIE, E. June 30, 1942, No. 9001. [Class 60]. An aligning device for apparatus for grinding crankshafts in situ comprises a block 24 mounted on a guide pin 23 carried between pivoted legs 20, the block being forked to form a guide to a member 16 secured to a part of the grinding tool. By these means the tool is maintained at right angles to the shaft 7 during its up and down movement. An adjusting screw 27 passes through the block.
Patent GB-987287-A (GB)
Title: Improvements in and relating to horizontal drilling and milling machines with lower arm displaceable on the headstock
IPC: B23B39/02
Filed: 1962-03-09
Abstract: 987,287. Drilling and milling machines. G. KAUWERTZ. March 9, 1962 [April 19, 1961], No. 9103/62. Heading B3T. A horizontal boring, facing and milling machine comprises a headstock 7, an arm 15 displaceable on the underside of the headstock in a direction parallel to the headstock spindle 8 by a shaft 5, and a motor 16 for rotating a tool-driving shaft 17 on the arm 15. A horizontal slide 2 supporting the column 3 is traversed along the bed 1 by rack-and-pinion, Fig. 4 (not shown), driven through gearing by a motor 18, the pinion having an electromagnetic clutch. The pinion shaft, through bevel-gears, drives a screw-threaded shaft 6 for moving the headstock along the column. A gear on the pinion shaft may be engaged by a gear on a further shaft (Fig. 4) which, through bevel-gears, drives a second vertical shaft 5 passing through the headstock. This shaft may traverse the arm 15 horizontally through a worm-drive and a rack-and-pinion gear, operate a cross-feed slide 9 on the headstock 7, and feed the headstock spindle 8 and its sleeve. A generator 14 may supply selectively the variable-speed tool motor 16 or a variablespeed motor 13 for the spindle 8. Speed indicators for the spindle 8 and shaft 17 may be selectively connected to a common speedometer 12 in a pendulum control 11. Vertical adjustment of the arm 15 in the headstock guide is by a roller 27 on an eccentric shaft which may be rotated to raise the roller against a flange 26a on the arm. Lateral adjustment is by a stud bearing against a reinforced part 30 of the flange 26.
Patent GB-539020-A (GB)
Title: Control mechanism for engines using producer gas and petrol
IPC: F02M13/08
Filed: 1940-05-23
Abstract: 539,020. Regulating. VAUXHALL MOTORS, Ltd., and BIRABEN, H. E. May 23, 1940, No. 9109. [Class 7 (vi)] In an engine adapted for alternative operation on petrol or producer gas, the throttle valve for petrol operation is opened only after the throttle for producer gas is approximately fully open. Fig. 1 shows the accelerator pedal 1 connected at a to a floating lever 3, the end b of which is connected to the gas throttle 4, and the other end c to the petrol throttle 5. When the pedal is depressed from the position shown in full lines, the closing-spring 6 of the throttle 5 causes the end c of the lever 3 to act as a fulcrum about which the other end b moves to open the throttle 4 until it is held by a stop 8. The end b then acts as a fulcrum about which the end c moves to open the throttle 5. For starting on petrol, the throttle 4 may be held closed by a hand connection 10, 11. The idling position of the throttle 4 may be located by a stop 12 adjusted by turning a button 13. In a modification, the accelerator pedal is connected to a lever co-operating with lugs on two other levers mounted co-axially with the first and connected respectively to the two throttles. This form is also provided with a hand control for opening the gas throttle, and with a further hand control of an extra-air throttle.
Patent GB-314366-A (GB)
Title: Improvements in or relating to pianos
IPC: G10C3/26
Filed: 1928-03-26
Abstract: 314,366. Hammond, J. H. March 26, 1928. Pianofortes swellshutters for; cases; pedals. - Normallyopen swell-shutters or reflectors are arranged in two groups in the top and bottom of a sound-proof casing of a grand piano, the groups being closable successively, in a manual instrument by the pianissimo or a special pedal. In the manual instrument shown in Fig. 2, depression of a fourth pedal 20 against the action of a spring 23 rotates, by means of rods and bell-cranks, a vertical shaft 22 connected by arms 31 to upper and lower rods 32. The upper rod 32 through a spring 38 pushes a rod 37 so as to close the upper shutters 27. Further movement of the pedal then merely compresses the spring 38 of the upper shutters, but at the same time the lower shutters 28 commence to close. The link-work may be such that the shaft 22, and therefore the shutters, have a variable speed of rotation. The shutters of a group may, by being connected to their common rod by links of different lengths, be given different angular movements. The casing has a layer of sound insulating material 26, and the shutters and casing have reflecting metal surfaces. The edges of the shutters may overlap in different ways. The shutters may contain cotton wool, cork, sponge rubber, celotex, &c. Some of the shutters may have apertures 60 controllable by slides 61 bearing graduations. A long shutter may consist of a sheet metal shell 65 lined with felt 67, with longitudinal and transverse internal lattice-frames 69, 68. In one construction of automatic instrument, the upper shutters are divided into treble and bass groups.
Patent GB-992293-A (GB)
Title: Means for locating indexing tables, machine slides and the like in predetermined positions of adjustment
IPC: B23Q16/04
Filed: 1963-03-08
Abstract: 992,293. Detent brakes. VILLIERS (TOOL DEVELOPMENTS) Ltd., and F. A. LUCAS. April 27, 1964 [March 8, 1963], No. 9209/63. Heading F2E. [Also in Division B3] An indexing plunger or locking bolt 10 is made in halves with a locating face on each half. Thus one half 10b, Fig. 3, has a face 15b engaging one side of a recess 17, the locating force being reacted against the sides of the plunger housing at points A, B. The recess may be formed by pins and the plunger may straddle a pin 22, Fig. 7.
Patent GB-846882-A (GB)
Title: Improvements in or relating to jacks
Inventor: GRANGER BERTRAM DONALD
IPC: B66F3/08
Filed: 1956-03-24
Abstract: 846,882. Screw-lifting jacks. METALLIFACTURE Ltd. June 3, 1957 [March 24, 1956], No. 9237/56. Class 78 (3). In a jack of the kind in which a tube 2 carrying a crutch 1 is moved relative to a ground-engaging tube 3 by a screw 5 and nut 6, tube 2 is provided with a crimped portion 13 which forms a sliding bearing. The space between the tubes contains a lubricant, and relative rotation of the tubes is inhibited by a circlip 7.