baber/WOPTO huggingface dataset:
Patent GB-966554-A (GB)
Title: Automatic gramophones
IPC: G11B17/24
Filed: 1961-02-01
Abstract: 966, 554. Juke-boxes. WURLITZER CO. Feb. 1, 1961 [Feb. 1, 1960], No. 3814/61. Heading G5R. A toroidal record magazine 18 is mounted on the end of a vertical shaft 78, which is rotated to bring a chosen record to a transfer position 24 where an arm 94 lifts it and pushes it up a shoot 100 to a play position 26 where it is located by a conical plunger 28 on the end of a playing mandrel 30, selectively driven in either direction by a pair of motors 210, 212. As the plunger 28 engages, a spring 38 causes dogs 40 to clamp the record against a mandrel flange 42 where it can be engaged by one or other of two pick-ups 112, 114, Fig. 4. Selector mechanism. The record chosen is in dependence on the raised one of a number of members 50, 52 arranged in two concentric circles on a stationary plate 56. The members 50, 52 may be tripped into an upper protruding position under the influence of springs 64 by inward pressure applied at the lower end in the direction of the arrow 65. The protruding member 50 or 52 intercepts a pin 44 or 46 on a plate 48 during its rotation with the magazine 18 in a clockwise direction, as viewed in Fig. 7, so that the rotation of plate 48, and with it the magazine, is immediately arrested. Playing mechanism. To initiate play, a plate 76 driving the plate 48, through a spring 72, performs a slight extra movement determined by the setting of a stop in 84, and this extra movement causes a switch 88 to be operated to start the record playing mechanism and, in particular, to cause the link 92 to be released whereby the arm 94 moves the chosen record to the playing position. Playing either sides of records. Both pick-up arms 112, 114 until play is initiated are held away from the record 22, against the tension of springs, by cam operated levers 156, 138, respectively, and are locked in such position by catch levers 162, 170, respectively. If it is a member 50 which has been tripped, i. e. one of the members 50 on the outer concentric circle, a bellcrank lever 194 on plate 48 will be caused to operate a switch 180 and close the circuit of a solenoid 176 whereby catch lever 170 is released to permit pick-up arm 114 to be lowered under the influence of a cam 134. At the same time motor 212 is switched on to cause the appropriate direction of rotation of the record 22. Similarly, if it is one of the members 52 which has been tripped, a switch 178 is operated to release pick-up arm 112 and to start motor 210 in the opposite direction to motor 212. Stop mechanism. At the end of playing, a limit switch (e.g. 132), is operated by the limiting swing of the pick-up (e.g. 114), which causes the pick-up arm in use to be lifted and returned to the initial position and the record released so that it returns to its original position in the magazine. Should the record fail to return, the shoot 100 will tilt and a safety switch then stops the machine.
Patent GB-795706-A (GB)
Title: Modifier for copolymerization
IPC: C08F236/04
Filed: 1956-02-07
Abstract: Unsaturated dimers of a -methylstyrene are used as modifiers in the copolymerization of conjugated diolefins having 4 to 12 carbon atoms with mono-olefinic compounds.  Specified diolefins are butadiene-1,3, chloro-2-butadiene-1,3, methyl-2-butadiene-1,3, 2,3-dimethylbutadiene-1,3 and pentadiene-1,3.  Specified monoolefins are styrene, p-chlorostyrene, dichlorostyrene, acrylic acid, methyl acrylate, methyl methacrylate and acrylonitrile.  The polymerisation is preferably conducted in aqueous emulsion in the presence of emulsifiers, e.g. sodium stearate, potassium rosin soap, sodium isopropylnaphthalene sulphonate and the sodium salt of naphthalene sulphonic acid condensed with formaldehyde, modifiers, e.g. dodecyl mercaptan, catalysts, e.g. potassium persulphate, or redox systems comprising an oxidising agent, e.g. cumene hydroperoxide, diisopropylbenzene hydroperoxide or p-menthane hydroperoxide, a reducing agent, e.g. reducing sugars or sodium formaldehyde sulphoxylate, and an activator, e.g. iron, manganese or copper salts. The redox system may containing chelating agents, e.g. ethylenedinitrilotetracetic acid.
Patent GB-214375-A (GB)
Title: Improvements in or relating to sprinkler boxes and like containers
IPC: A47G19/24
Filed: 1923-02-10
Abstract: 214,375. Boddington, E. M. Feb. 10, 1923. Powder distributors.- In a sprinkler box or distributor for salt, &c. comprising an inner cylindrical body portion and an outer cylindrical cover rotatable thereon, the distributing arrangement includes a comparatively large circular aperture in one cylindrical wall co-operating with a series of small perforations grouped in circular relation in the other cylindrical wall. As shown the large circular aperture 3 is in the body portion 2 and the small perforations 9 in the rotatable cover 7, the cover and body being provided with flanges 10, 11, preferably of curved triangular form, to facilitate relative rotation of the parts. The body portion has a detachable flanged lid 5 fitting within an inturned rim 4 and provided with a hinged lifting ring 6; the inner lid may be dispensed with and the body and cover provided with means to prevent axial displacement.
Patent GB-1464253-A (GB)
Title: Ventilators
IPC: F24F11/00
Filed: 1974-01-29
Abstract: 1464253 Actuating roof ventilators COLT INTERNATIONAL Ltd 19 Dec 1974 [29 Jan 1974] 04004/74 Heading E2M [Also in Division A5] In a roof ventilator hinged flaps 15 are movable between open and closed positions when a control bar 20, journalled in the ventilator frame 10, is moved by a pneumatic actuator 23 or by a control cable (50) (Figs. 3, 4, not shown) against a spring 25. Attached to the control bar 20 is a control arm 30 and a connecting member 31 interconnecting the free end of the arm 30 one with each flap 15 via a single fusible link 33, the control arm 30 taking up the position shown in Fig. 2 when the hinged flaps 15 are in the closed position. In the event of fire the fusible link 33 parts and enables torsion springs 17, provided at the ends of the control bar, to open the flaps 15 simultaneously. A sprinkler shield (33') (Fig. 3, not shown) is normally fusible about the fusible link 33 to prevent the fusible link 33 being cooled by the sprinkler system.
Patent GB-1015033-A (GB)
Title: Preparation of olefin oxides
Inventor: COLLIS MICHAEL JOHN
IPC: C07D301/26
Filed: 1963-01-31
Abstract: An olefin oxide is produced by the dehydrohalogenation of a halohydrin in aqueous solution containing free hydrogen halide by reducing the amount of free hydrogen halide in the feedstock by adding a base and then subjecting the resulting solution to conditions for the dehydrohalogenation of the halohydrin in the presence of a base.  Preferably the free hydrogen halide is reduced by bringing it to a r H equal to or more than 5.  The base used may be organic, for example a quaternary ammonium hydroxide, but is preferably inorganic. The base is added at a temperature not higher than 90 DEG  C.  The process may be used for the treatment of chlorohydrins or bromohydrins.  The dehydrohalogenation is carried out by known methods, for example, treatment with a further quantity of the base at 90-110 DEG  C.  Examples are given of the treatment of propylene and butene.  Chlorhydrins to give the corresponding oxirane compounds.
Patent GB-806680-A (GB)
Title: Method and means for trapping paint over-spray
IPC: B05B14/43
Filed: 1957-02-06
Abstract: <PICT:0806680/III/1> A paint spray booth has a movable wall consisting of a continuous layer of normally dry, high absorbent non-woven fabric material. Suitable material is non-woven cotton fabric which may be calendered to a smooth nap-less finish and flame-proofed.  As shown, the rear wall 21 of a paint spray booth consists of a curtain of such material which may be wound from a supply roller 20 at the top to a take-up roller 23 at the bottom.  A current of air is drawn through the curtain by an exhaust fan driven by motor M so that excess paint is collected on the curtain which may then be wound on to the lower roller by operation of a motor 46, removed and disposed of.
Patent GB-116512-A (GB)
Title: Improvements in or relating to Apparatus suitable for Purifying or otherwise Conditioning Air or other Gases and for other purposes.
Inventor: JEFFCOCK CHARLES EDWARD
IPC: B01D45/10
Filed: 1917-03-20
Abstract: 116,512. Jeffcock, C. E., and Yardley, W. H. March 20, 1917. Purifying liquids. - Apparatus for purifying or cooling air or other gases, and which, according to the Provisional Specification, is applicable for purifying liquids, comprises guiding means for directing films or layers of falling liquid between which the air or gas is directed by guides which deflect the gases continuously in an outward and lateral direction so as to be treated effectively by the falling liquid. As shown the liquid is passed by a pump to a water chamber 17 fitted with a perforated plate 18 through which the liquid passes to vertically arranged sheets of corrugated metal 11, which are spaced apart by means of bolts 28 fitted with washers as 29, 30, Fig. 7, in such a manner that the hollows and crests of adjacent sheets are opposite each other. Between the sheets 11 are arranged horizontal twisted strips of metal 12 which deflect the air and give it a helical or equivalent motion. The liquid with impurities is collected in a chamber 6. The air may be dried by passing it through further lengths of the corrugated sheets which are not supplied with liquid and one portion 15 of these shets is not fitted with twisted strips, but such strips 13 are fitted in the ends of the sheets. The air &c. may impinge on a cover 3 fitted with an absorbing pad of asbestos on felt, and a sump 8 is provided for receiving liquid separated out in the drying process. In a modification the liquid outlet from the chamber 6 is fitted with a strainer and above the plate 18 is arranged a series of three similar plates of successively decreasing sizes. Inspection holes are provided in the chamber 6 and near the cover 3, and the air inlet 2 is fitted with perforated plates surrounded by an inclined protecting flange.
Patent GB-320833-A (GB)
Title: Method of and machine for sewing turnshoes
IPC: D05B85/00
Filed: 1929-02-07
Abstract: 320,833. Bauer, C., (Maschinenwerke zu Frankfurt-am-Main, vorm. Kolb, Rieber & Co., Ges.). Feb. 7, 1929. Boot-sole sewing-machines, turnshoe; stitching and assembling machines; feed by co-operating jaws.-In sewing turn-shoes, the sole is supported on a horizontal holder, to which it is secured by pneumatic or mechanical means, and the upper turned over the sole by a wiper before stitching. The work is fed progressively by jaws to present the margin to the curved needle. The work holder comprises links 3, 3, 3<1>, 3<1> pivoted to the frame 1 at 4, Fig. 4, at one end, and to the rod 5 at the other. The platform 56 for supporting the sole 7, 8 is secured to the rod 5. The sole is held firmly to the platform during the stitching by pneumatic suction. Figs. 1 and 6, or by spikes. 58, Fig. 7, or by the clamp 45, Fig. 8. The clamp 45 is supported by a bracket 43 on the rod 5 and is held in operative position by a spring 46. It can be lifted and swung aside for changing the work. The projecting margin of the upper 9 is pushed over the felt part 8 of the sole by a wiper 21 pivoted on a slide 16. A jaw 13 is also pivoted on the slide. The pivot 17 of the jaw 13, Fig. 1, has a toothed segment 14 meshing with a segment 15 actuated by the lever 18 working in a cam groove in the cam 28 to cause it, with the wiper 21, to grip the work when the wiper is moved downwards by the slide 23, Fig. 1. The curved hook needle 10 carried by the segment 11, is then operated by the link 31 pivoted to the arm 32. This arm is rocked by the gear 35, segment 36 and cam follower lever 37. During the return stroke of the needle, the work is held down by the presser foot 12 carried by the slide 16. The jaw 13 and wiper 21 feed the work after each stitch is completed, before releasing their grip, by the horizontal movement of the slide 16 due to the roller R following a cam track in the periphery of the cam 28. When the sole is pneumatically held, the support 56 is provided with suction ducts 57 leading to the bore 6 of the rod 5, Fig. 6.
Patent GB-1381681-A (GB)
Title: Fluid separating apparatus
IPC: B01D61/18
Filed: 1973-01-26
Abstract: 1381681 Membrane support plate RHONEPOULENC SA 26 Jan 1973 [28 Jan 1972] 4172/73 Heading B1X A membrane support plate for fluid separating apparatus, having support plates, membranes and gaskets clamped in a stack between end plates, comprises two elementary plates of generally rectangular configuration, the elementary plates being assembled in a fluidtight manner in back-to-back relationship, a cell forming recess 4 provided in the front face 26 of each elementary plate, an enclosure formed between the back faces 27 of the elementary plates, perforations 9 through the elementary plates providing communication between each recess and the enclosure, a supporting abutment or abutments in the enclosure maintaining the elementary plates apart, and at least one duct providing communication between the enclosure and the edge of the plate for the passage of fluid from the enclosure and at least one orifice 3 extending through the plate in the vicinity of at least one end thereof for the passage of fluid to be treated. The supporting abutments may be longitudinal ribs, defining channels 8. The recess 4 contains a porous support bearing a membrane. A stack may be made up of pairs' of plates alternating with gaskets. Series, parallel and series-parallel arrangements are possible. The two plates of a pair need not be identical, provided that together they form the enclosure between their backs; one of a pair may have a plane back and the other a back provided with a cavity arid abutments (Fig. 12 not shown).
Patent GB-904904-A (GB)
Title: Improvements in thermostatic regulating devices for spring-loaded valves
IPC: G05D23/12
Filed: 1959-02-06
Abstract: 904,904. Valves. CLAUSEN, M., [trading as DANFOSS VED INGENIOR M. CLAUSEN]. Feb. 6, 1959 [Feb. 6, 1958], No. 4294/59. Class 135. A thermostatic regulating element for a spring-actuated valve comprises a vapour-filled bellows 4 having one end secured to a detachable casing 2 in screwthreaded engagement with a valve body 1, la and a movable cup-shaped end 5 subject to pressure exerted by a spring 6. A rod 7 to which is attached a valveactuating stem 8 is in threaded engagement with a sleeve 10 secured to the movable wall 5 the screw threads being of the same pitch as the screw threads 11 by which the casing 2 is secured to the valve body part 1a. Adjustment of the spring-loading acting on the bellows 4 is provided by rotating the casing 2 relative to the valve body 1. The rotary movement of the fixed end of the bellows is transmitted to the movable end 5 by means of driving members 13 engaging between protruding webs 12 on the movable wall 5 thereby preventing any torsional stresses occurring in the bellows 4. At the same time the rod 7 is moved up or down in the sleeve 10 to adjust the effective length of the stem 8 in conformity with the displacement of the casing 2 relative to the valve body 1, 1a. In another embodiment the bellows may be replaced by a box having a movable membrane wall carrying the sleeve 10.
Patent GB-759288-A (GB)
Title: Improvements in and relating to electrodes
Inventor: BROOKER HENRY ROBERT
IPC: C25B11/08
Filed: 1954-02-15
Abstract: 759,288. Electrodes for electrolysis. JOHNSON, MATTHEY & CO., Ltd. Sept. 20, 1954 [Feb. 15, 1954], No. 4367/54. Class 41. [Also in Group XXII] An electrode for electrochemical analysis comprises a perforated cylindrical metallic member 7 in a cylindrical frame 2 ... 5 or a perforated flat metallic member 11, Fig. 2, in a frame 10, the members 7, 11 being of expanded metal, and the frames 2 ... 5, 10 being of electrically conducting material. The frames each have a stem 6, 10a which acts as a current lead, the stem 6 having welded thereto rings 8 for guiding the stem of another electrode used in conjunction with the first electrode. The members 7, 11 and/or the frames 2 ... 5, 10 may be of platinum or a platinum group metal or an alloy thereof, e.g. a platinum-molybdenum alloy.
Patent GB-139165-A (GB)
Title: Improvements in hydraulic power transmission apparatus
IPC: F16H61/40
Filed: 1920-02-12
Abstract: 139,165. Swartling, H. L. R. Feb. 15, 1919, [Convention date]. Regulating pumps.-In apparatus for the hydraulic transmission of power comprising a power-driven pump, means are provided for decreasing the quantity of liquid drawn in by the pump when the pressure in the pipe leading from the pump exceeds a predetermined value. In the construction shown, a valve 14 controlling an inlet port 16 is actuated either manually or automatically from a spring-controlled piston 19 subject to the pressure in the delivery pipe.
Patent GB-163127-A (GB)
Title: Improvements in cook's dressers, store cupboards and the like
IPC: A47B77/16
Filed: 1920-02-13
Abstract: 163,127. Rodwell, J. Feb. 13, 1920. Addition to 149,754, [Class 52 (i), Furniture, Fittings &c. for]. Racks and the like.-In kitchen dressers &c. of the kind described in the parent Specification, a drawer 7 for filing kitchen recipe cards is provided hinged to a non-withdrawable block 9 and divided into compartments for different kinds of recipes, a slot 14 being provided in the drawer front for the support of the card which is being used for reference. The bottom of each compartment may be fitted with an inclined block 15.
Patent GB-111966-A (GB)
Title: Improvements in Self-centering Railway Trucks.
Inventor: PYNN NEWMAN
IPC: B61F5/38
Filed: 1917-03-27
Abstract: 111,966. Pynn, N. March 27, 1917. Rails, guard and like; tracks having two guiding and bearing rails with supplementary rails.-In order to reduce the effective diameter of the inner wheels of an axle-radiating car when taking a curve and so prevent slipping of the wheels, additional rails 31 having a convex surface are laid inside the inner rail of the curve and are engaged by inner concave treads 30 on the wheels 29.
Patent GB-1237605-A (GB)
Title: Image reproduction process using coloured particles
IPC: G03F7/28
Filed: 1969-01-29
Abstract: 1,237,605. Pigment dispersions. E.I. DU PONT DE NEMOURS & CO. 28 Jan., 1969 [29 Jan., 1968], No. 4592/69. Heading C3P. [Also in Division G2] Particulate pigment dispersions in methyl vinyl ether/maleic anhydride copolymer are prepared by adding the pigment (primrose yellow, Monastral blue and Duol carmine specified) to a solution of gelatine and dextran, adding to the mixture a solution of the copolymer, decanting and filtering and grinding the residue into particles in which less than 50% have a diameter of less than 1 micron. The particles are used to develop photopolymerizable images (see Division G2).
Patent GB-704922-A (GB)
Title: Improvements in or relating to voice frequency signal receivers
IPC: H04Q1/446
Filed: 1952-02-22
Abstract: 704,922. Voice-frequency receivers. STANDARD TELEPHONES & CABLES, Ltd. Feb. 22, 1952 [April 27, 1951], No. 4729/52. Class 40 (4) [Also in Group XL (c)] In a V.F. receiver, the output impulsesending relay S is actuated by a multiple of the transmitted signalling frequency which is obtained by a frequency multiplier, such as a volume limiter, in the receive path. This improves voice immunity since only a proportion of the signal bandwidth, a third in a system using the third harmonic, is necessary to reproduce a pulse in which there is no increase in distortion. Incoming signals are applied over a transformer T1 to the grid of valve VA2 which includes in its anode circuit transformers T2 and T3 feeding the final receiver stage VA1 and a guard circuit RN3 respectively. The primary of transformer T2 is shunted by a resistance R6 and condenser C3 to enhance the speech frequencies compared with the V.F. carrier and T3, which is a high ratio step-down transformer tuned to a frequency of threefifths of the signal frequency to prevent operation of the guard circuit by the fifth harmonic of stray currents at that frequency. The limiter, which comprises rectifiers RE1, RE2 and a resistance R10, derives its clipping voltages from across resistors R14, R15 which together with resistors R16-R19 comprise a potentiometer across the H.T. supply. The limiter is stated to limit output variations to Idb for 10 db changes of signal input and the change of signal strength with increase in the accompanying noise is described with reference to Fig. 5 (not shown). The amplifier VA1 is a reflex amplifier, the A.C. output being rectified in network RN1 and the output together with the opposing guard potential is applied to the grid through a resistor R22. Cathode resistor R23 is of extremely high value so that the cathode potential rises in sympathy with an increase in the grid potential and, when this exceeds the standing potential at the junction of R17, R18, rectifier RE3 conducts and resistors R14-17  become the effective cathode resistors. This results in a sharp, change in conductance so that the anode current is rapidly increased to energize relay S.
Patent GB-451607-A (GB)
Title: Continuous thickness gauging means
IPC: G01B5/06
Filed: 1935-02-14
Abstract: 451,607. Linear - dimension gauges. DUNLOP RUBBER CO., Ltd., 32, Osnaburgh Street, Euston Road, London, and SIMPSON, E., STUBBS, A. J., and WILLIAMS, T., c /o Dunlop Rubber Co., Ltd., Fort Dunlop, Birmingham. Feb. 14, 1935, No. 4747. [Class 106 (ii)] Apparatus for gauging the thickness of a sheet of material feeding from point to point comprises means acting in dual capacity as the datum means in relation to which the thickness is measured and as the support for gauging means comprising (a) means engaging the surface of the web, (b) means engaging a surface other than that of the web, and (c) means for measuring the relative displacement between means (a) and (b). The sheet 2 passes over an idler roller 1 forming the datum surface upon which at either side of the sheet is supported gauging means comprising a bracket 6 engaging the roller 1 through the medium of rollers 5 arranged in rectangular or triangular formation, a bracket 9 supported by the bracket 6 to turn in bearings 10 relatively thereto and engaging the sheet through the medium of rollers 8, and an indicator 7, the plunger of which is engaged by an arm 11 of the bracket 9. The indicator 7 may be electrical and indications from the two gauging devices may be transmitted to a voltmeter 13. A rod 14 depends from the bracket 6 and is fitted with a counterweight 16 so that the gauge floats or rests in a balanced condition on the roller 1.
Patent GB-465640-A (GB)
Title: Improvements relating to liquid coolers for use on air craft
IPC: B64D33/10
Filed: 1936-02-17
Abstract: 465,640. Motor accessories for aircraft. SERCK RADIATORS, Ltd., and McINTYRE, J. T. Feb. 17, 1936, No. 4748. [Class 4] [Also in Group XIII] An oil cooler c is arranged across the front of the engine cooling water radiator a of an aircraft in a duct f which communicates through an aperture controlled by a pivoted flap e with a duct connected to the engine carburetter. The radiator is housed in an open-ended casing having a pivoted flap g at its rear end, and in the indicated positions of the flaps air flows through the cooler and the radiator and also directly to the carburetter. When the oil is cold as, e.g., at starting or due to flying conditions, the flaps are moved to the dotted line positions so that air flows through the unobstructed part of the radiator and returns through the oil cooler, thus heating the oil, into the duct d. The flaps may be adjusted to intermediate positions, and the oil cooler may be placed across the rear of the radiator or nested in the front, middle or back thereof.