baber/WOPTO huggingface dataset:
Patent GB-411360-A (GB)
Title: Improvements in or relating to change speed devices for cycles or similar vehicles
IPC: B62M9/124
Filed: 1933-10-26
Abstract: 411,360. Variable-speed chain gearing. SCHULZ, J. G., 3, Rue Maspero, Paris. Oct. 26, 1933, No. 29758. Convention date, Nov. 17, 1932. [Class 80 (ii).] In variable-speed driving-mechanism for cycles &c., of the type in which a single chain is shifted from one sprocket to another of different size by a chain guide or sprocket, the chain guide is given both an axial or transverse displacement and a displacement towards or away from the axis of the sprockets, so that the length of chain between the guide and the sprocket is maintained as short as possible, in order to facilitate the engagement of the chain with each sprocket. The chain 52, Figs. 3 and 4, passes over a chain guide sprocket 18, which is mounted on a frame 19 formed with a sleeve 20 rotatably mounted on a screw 22 rigidly mounted on the cycle frame 54 by a two-part clamp 55<1>, 55<2> and a bolt 56, the sleeve 20 being rotated by means of a cable 31 and a hand control-lever 58, whereby the frame 19 is given a pivotal movement to move the chain guide 18 towards the axis of the sprockets 15, 16, 17 on the driven wheel. A spring 28 connected to a lever 26 effects the return movement of the frame 19, and also acts on a chain-tensioning roller 25. The screw 22 causes, simultaneously with the pivotal movement, a transverse movement of the frame 19 and chain guide 18, to shift the chain from one sprocket to another, the movement from a smaller to a larger sprocket being assisted by a member 24 projecting from the frame 19 and adapted to engage the intermediate part 14 of the chain. In a modification the chain guide is arranged to be in immediate proximity to the teeth of the smallest sprocket when the high speed is in gear.
Patent GB-1192869-A (GB)
Title: Packaged Filled Dough Product
IPC: A23L1/00
Filed: 1968-06-21
Abstract: 1,192,869. Dough product. PILLSBURY CO. 21 June, 1968 [23 June, 1967], No. 29828/68. Heading A2B. [Also in Division B8] A refrigerated dough product of the kind which is purchased ready for baking by the consumer, comprises a rolled dough sheet incorporating a layer of discrete portions of non-dough filling, e.g. cheese, fruit or meat, the roll being purchased in a cylindrical container which retains a superatmospheric pressure generated by the contents, but is arranged to disperse the pressure evenly on opening (see Division B8). The sheet may consist of two layers sandwiching the filling between them or a single layer upon which the filling is laid. A two layer sheet is formed by passing a mix between rollers 16, 18 to form a first layer 24 on a conveyer 28, extruding and cutting filler sections 44 by devices 38, 40, 46 arranged across the conveyer width, applying a bonding agent, e.g. water, from a nozzle 54, feeding a second layer 26 from rollers 20, 22 and bonding the layers round the filling by a roller 56 sited over a conveyer 58. The sheet so formed is cut longitudinally by series of knives, 66, 88, the first producing straight cuts between the fillings and the latter, zig-zag cuts which pass through the fillings. The sheet is rolled by a roller 90, cut at intervals by a knife 83 and the rolls packaged. In use cylindrical sections, Fig. 6, are broken off along the cut lines and stood in the baking tray with their straight edges downwards. The filling 44 is thus out of contact with the pan but is visible from above. The pieces may also be unrolled and cooked flat. In another arrangement, Figs. 8-11 (not shown), a single dough layer is folded thirty six times with intervening layers of shortening, in known manner, reduced to about # inch thickness and filling applied as before. The sheet is cut longitudinally along zig-zag lines before the filling is applied to overlap the cuts. The sheet is then cut along straight lines between the filling portions and is rolled without a top layer being applied In a further form of roll, Figs. 12, 13 (not shown), the filling is sandwiched, as in the first embodiment, and zig-zag longitudinal and transverse cuts are made between the filling portions.
Patent GB-602687-A (GB)
Title: Improvements in locking devices for cycles or the like
IPC: E05B37/02
Filed: 1945-11-09
Abstract: 602,687. Locking devices for cycles &c. ROSE, A. G., and ROSE BROS. (GAINSBOROUGH), Ltd. Nov. 9, 1945, No. 29930. [Class 79 (iii)] [Also in Group XXV] A locking device for cycles or the like comprises a flexible metallic member, whose ends are secured to the complementary portions of a combination lock said flexible member being covered by a waterproof sheath. As shown, the ends of a flexible member 10 are secured, by brazing, to the complementary portions 11, 12 of a combination lock. The member 40 is covered by a rubber or like waterproof sheath 13, the ends of which are housed in metal ferrules 14 secured to the lock portions. The lock comprises a tubular member 11, with an internal sleeve 15 on which are rotatably mounted a series of rings 17, and an insert member 12 which is provided with projections 21. The sleeve 15 and rings 17 have slots 20, 19 respectively through which the projections may pass when the slots are aligned. When the lock portions are in position the rings are rotated to enclose the projections 21 within grooves 18 formed in the rings.
Patent GB-925657-A (GB)
Title: Improvements in and relating to ribbed plastic material
Inventor: MERCER FRANK BRIAN
IPC: B29C48/08
Filed: 1958-09-18
Abstract: <PICT:0925657/IV(a)/1> <PICT:0925657/IV(a)/2> <PICT:0925657/IV(a)/3> Extrusion apparatus for tubular or flat ribbed sheeting comprises a pair of die-carrying members 1, 2 movable transversely to the direction of extrusion, contacting slideway surfaces 1a, an extrusion orifice 1b adjacent surfaces 1a remote from the material supply, and rib extruding orifices 1c opening into orifice 1b for extruding ribs integrally with the sheeting.  For tubes either or both dies 1, 2 may be rotated or oscillated or for flat sheets either or both may have transverse reciprocation.  The dies may be detachable and the taper of the slideway surfaces 1a be reversed so that extrusion pressure tends to keep them in contact.  The orifice 1b may be in either or both members 1, 2 and may be fed by slots 1d.  The extruded tube may be expanded by fluid pressure, cooled by a ring 14, flattened by rollers 15 and stored on rollers 16.  Where only one die roller is rotated the rollers 15, 16 may revolve around the machine to counteract any tendency of the sheet to twist during extrusion.  The extrusion may be slit into a sheet.  Specifications 836,555 and 836,556 are referred to.
Patent GB-1149760-A (GB)
Title: Improvements in or relating to blast furnace operation
Inventor: LOOSEMORE MICHAEL JOHN
IPC: C22B19/36
Filed: 1966-07-05
Abstract: 1,149, 760. Extracting metals. IMPERIAL SMELTING CORP. (N. S. C. ) Ltd. June 23, 1967 [July5, 1966], No.30091/66. Heading C7D. In a method of improving the operating efficiency of a zinc-lead blast furnace into which are charged coke and a sinter containing zinc oxide and lead oxide, pre-heated oxygen-containing gas being blown in through tuyeres near the bottom of the furnace, while below these tuyeres molten lead and slag are run off, the zinc oxide in the charge being reduced to zinc vapour which is taken off and condensed, the ratio of zinc to carbon in the charge and the pre-heat temperature of the blast are controlled according to the continually monitored values of (1) the said zinc/carbon ratio (2) the said pre-heat temperature (3) the ratio of slag-forming materials to carbon in the charge (4) the composition of the furnace gases (5) the zinc content of the slag (6) the temperature of the molten slag leaving the furnace, the valves (1) to (6) being converted to electrical signals and fed continuously into a computer which operates to effect control of the first two values. This control is effected to maximize profitability according to the formula: - PF = 3À764*10<SP>-4</SP>D (p+1) L(L 1 E*10<SP>-2</SP>+PL 2 R*10<SP>-2</SP> - EL 6 ,* 10<SP>-2</SP> - L 8 P (pp+R)<SP>*</SP> 10<SP>-2</SP> - 100M/Zs) - ZW(L 1 E*10<SP>-4</SP> +L 6 *10<SP>-2</SP> L 6 E*10<SP>-4</SP>) - 10<SP>2</SP> C/D (100-f)] in which PF = profit in ú / hour per unit blast rate E = condensation efficiency -% R = recovery of lead in bullion -% pp = loss of lead in slag and cast zinc (as % of lead in sinter input) p = ratio of lead/zinc in sinter Zs = % zinc content of sinter ZW = % zinc input lost in slag D = ratio of zinc/ carbon in charge f = % ash in coke L 1  = value of zinc produced - ú /ton L 2  = value of lead produced - ú /ton L 6  = cost of zinc in sinter - ú /ton L 8  = cost of lead in sinter - ú /ton M = cost of sintering - ú /ton C = cost of coke - ú /ton (p+1) = carbon burnt - mols/atom of oxygen in blast.
Patent GB-325473-A (GB)
Title: Improvements in or relating to carburetting and vaporizing means for internal combustion engines
IPC: F02M21/10
Filed: 1928-10-18
Abstract: 325,473. Whiteman, J. L. Oct. 18, 1928. Vaporizers, external.- A vaporizer for the air and fuel supplied to a carburettor comprises a casing 1 one end 17 of which is adapted to be connected to the carburettor air inlet whilst the other end 15 is provided with air inlet ports, the casing being traversed by an exhaust conduit 2 and bv fuel pipes 5. 7, 12 which communicate with the carburettor fuel nozzle and are for use respectively for heavy, medium, and light fuels, The fuel pipe 5 extends through a hole in a part 6 formed integrally with the casing 1 and conduit 2. The pipe 7 is situated either in contact with or in close proximity to the conduit 2 being preferably located in a groove 8 formed in a projection 9, and the conduit 12 traverses the air space between the casing 1 and conduit 2. The three pipes, which are used alternatively, are valve controlled and are supplied from one tank If the apparatus is intended for use with only one kind of fuel, only the appropriate fuel pipe is provided. The air inlets to the casing 1 may be valve controlled and cold air may be admitted to the outlet 17 by a valve 16. The inlet of the exhaust conduit 2 may be provided with valve 10 or with a valve - controlled outlet for diverting part of the exhaust gases. The control valves for the air and exhaust gases may be interconnected with the carburettor throttle valve. According to the Provisional Specification, the fuel pipe for heavy fuel may traverse the exhaust conduit.
Patent GB-762082-A (GB)
Title: Improvements in or relating to liquid containers
Inventor: SCHOFIELD PHILIP JOHN
IPC: B29C65/02
Filed: 1952-11-28
Abstract: 762,082. Alkyd resin-coated rubber sheet. IMPERIAL CHEMICAL INDUSTRIES, Ltd. Nov. 30, 1953 [Nov. 28, 1952; Nov. 11, 1953] Nos. 30191/52 and 31225/53. Class 140. [Also in Group XXIX] In liquid containers or component parts thereof the liquid retaining wall comprises composite material consisting of one or more layers of natural or synthetic rubber and one or more layers of an organic polyisocyanate or polyisothiocyanate modified alkyd resin. The alkyd resin coating may be formed by applying a composition comprising an alkyd resin, an organic polyisocyanate and a solvent by spraying, brushing or dipping, to the rubber sheet, removing the solvent, and subjecting the assembly to heat treatment to effect the modification of the resin and curing of the rubber. The adhesion between the alkyd resin and the rubber layers can be improved and any tendency of the former layer to flake or peel off obviated by the interposition of a layer of composition consisting of a small proportion of the polyisocyanate and a proportion of the same rubber or synthetic rubber material as is used in the container wall. A container may be made by assembling on a collapsible former panels of natural or synthetic rubber sheet tailored to the required shape with overlap seams which are bonded by means of a cement. The alkyd resin composition is then applied, the heat treatment is carried out on the composite assembly in situ and finally the collapsible former is removed. Alternatively the container may be made by assembling on the former panels of the natural or synthetic rubber sheet which have been pre-coated with the polyisocyanate-alkyd resin composition. The seams are then bonded or sealed and the assembly subjected to a final heat treatment. Diaphragms for " diaphragm tanks " can be made either from pre-coated rubber material, or when a special shape of diaphragm is required by building up on a former either pieces of rubber material tailored to the required shape followed by seaming, coating and curing or pieces of precoated rubber material followed by jointing and curing. Specification 547,672, [Group XXVIII], is referred to.
Patent GB-690197-A (GB)
Title: Improvements in and relating to electric heating devices and temperature control systems therefor
IPC: H05B1/02
Filed: 1950-12-11
Abstract: 690,197. Automatic temperature control systems. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 11, 1950 [Dec. 24, 1949], No. 30239/50. Class 38 (iv). [Also in Groups XI and XXXVII] The temperature control system of Specification 690,245 is modified in that the thermistor is shielded from radiation from the hotplate and alternative means are provided to anticipate the over-shoot after switching off. In one arrangement, Fig. 4, a heat barrier 9 surrounds the thermistor 13, and a flexible metal " heat pipe " 68 is connected between the hotplate 4 and the thermistor. The control circuit is as described in Specification 690,245. In an alternative arrangement, Fig. 2, additional thermistors 14, 15 are provided, inside the heat barrier 9, one responsive to the temperature of the cooling utensil and the other hanging on a heat pipe 34, so that with a small thermal load which heats rapidly and is liable to a large temperature overshoot, there will be a large temperature differential. These thermistors are connected in a further bridge circuit with an output transformer in series with the thyratron bias circuit comprising thermistor 13 as in Specification 690,245, so that on such temperature unbalance, they add to the cut-off bias and the-heater is switched off earlier than it would be under the action of thermistor 13 alone.
Patent GB-302998-A (GB)
Title: Mounts for percussive drills
IPC: E21B19/081
Filed: 1928-10-19
Abstract: 302,998. Chicago Pneumatic Tool Co., (Assignees of Nell, G. M.). Dec. 24, 1927, [Convention date]. Percussive drills.-The feed screw c<1> of a drill cradle is resiliently mounted by means of springs 9, 10, arranged between stop collars 7, 8 on the screw and fixed bearings d, e, with interposed thrust collars 11 if desired. In a modification, the front spring 10 is omitted and a second spring is arranged between the bearing d and the handle f. Specification 303,001 is referred to.
Patent GB-205712-A (GB)
Title: Improvements in and relating to trestles
Filed: 1922-11-06
Abstract: 205,712. Trautschold, C. M., and Pellow, R. E. Nov. 6, 1922. Trestles of the kind adapted to be folded to occupy a small space are formed with the tops of the legs 2 pivoted to a plate on the bottom of the upright 1, which has also pivoted to a top side a cross-piece 9. This cross-piece is pivoted about the middle of its length and is adapted to engage a slot 8 in the upright when in supporting position. The crosspiece and legs are maintained in position by catches.
Patent GB-1260075-A (GB)
Title: Electric fuel pump control circuit
IPC: H02P5/60
Filed: 1970-06-23
Abstract: 1,260,075. Starter motor control circuits. FORD MOTOR CO. Ltd. 23 June, 1970 [10 July, 1969], No. 30374/70. Heading H2H. In an internal combustion engine the power supply for the electric fuel pump motor is such that during starting the full battery voltage is applied across the motor. During running, the motor is supplied from an alternator 26 with a voltage corresponding to roughly half the battery voltage. This ensures that when starting from cold the fuel pump is energized by a sufficient voltage. When start switch 16 is fully depressed, contacting contacts 84 and 82 the battery 10 is connected via relay 86 to starter motor 110 and electric fuel pump motor 120. The field coils 24 of alternator 26 are supplied from battery 10 via voltage regulator 78. During running the battery 10 is charged by rectifier 66. The fuel pump motor is connected to the neutral point 32 of the alternator via diodes 132. Thus during operation the voltage applied to the fuel pump motor is approximately half the battery voltage
Patent GB-286351-A (GB)
Title: Improvements in or relating to machines or apparatus for washing and cleansing bottles, jars and the like
IPC: B08B9/36
Filed: 1926-12-01
Abstract: 286,351. Saunders, A. W. Dec. 1, 1926. Bottles, jars, and the like, cleaning.-A rotory brush 17 capable of resilient axial displacement is connected to a member 13 constructed in two or three parts and slidably mounted in a hollow shaft 9 which is adapted to rotate and is formed of two portions of different diameters. The member 13 carries a pin 31 for sliding engagement in slots 12 in the shaft 9, which is driven through the medium of a fast pulley 39. An apertured end portion 28 of the member 13 abuts against one end of a spring 38, the other end of which bears against an extension 34 of the shaft 9. The extension is rotatably mounted in a coupling connecting it with a source of water supply, water passing through the hollow shaft 9 and through the brush stock into proximity with the bristles. When a bottle is pressed on to the brush, the latter slides inwardly against the action of the spring 38 until the stop 28 abuts against a shoulder formed by reducing the diameter of the shaft 9.
Patent GB-1302074-A (GB)
IPC: B23B31/20
Filed: 1970-06-23
Abstract: 1302074 Welding by pressure; chucks CATERPILLAR TRACTOR CO 23 June 1970 [16 July 1969] 30439/70 Headings B3B and B3R A chuck for use particularly in a friction welding machine or in a machine tool comprises a first member 31 secured by means of an adaptor plate 32 to the machine spindle, a second member 34 which is axially slidable rela tive to the first member, a bevel-closed collet 36 secured to the second member, and spring means 41 acting between the two members in a direction to close the collet jaws on the workpiece WP-1. A back-up plate 48 attached to the inner end of the collet supports the inner end of the workpiece so that in use in friction welding axially directed forces between the workpieces increase the grip of the collet on the workpiece WP-1. A key 43 prevents relative rotation occurring between the collet 36 and the member 31. Hydraulic cylinder means 51 serve to move the member 34 forwardly against the pressure of spring 41 to release the collet from the workpiece. In an alternative embodiment (Fig. 5, not shown) a plurality of coil springs spaced around the collet are used instead of a single spring.
Patent GB-340635-A (GB)
Title: Improvements in rotary distributors, particularly for electric telegraph systems
IPC: H04L13/10
Filed: 1929-10-08
Abstract: 340,635. Type-printing and multiplex telegraphy. ELECTRICAL RESEARCH PRODUCTS, Inc, 195, Broadway, New York, U.S.A.-(Assignees of Clokey, A. A. ; 27, Sunderland Avenue, Rutherford, New Jersey, and Knoop, W. A. ; 36, St. Pa.ul Road South, Hempstead, New York. both in U.S.A.) Oct. 8, 1929, No. 30550. Convention date, Dec. 7, 1928. [Class 40 (iii).] The segments and brush of a rotary distributor are replaced by a series of electromagnetic impulse coils whose field is successively traversed by a pick-up coil. Signal impulses consisting of a code combination of alternating current from a generator 29 are applied by a transmitter 30 to a series of impulse coils 32 whose fields are successively traversed by a pick-up coil 11 mounted on a rotating distributor 10. The winding of the coil 11 is connected to slip-rings 12, 13 co-operating with brushes 14, 15 and the voltages are applied to transformers 16, 18 and a negative-grid demodulator 19. The demodulated impulses are applied to a vacuumtube transmitter 20 for wireless or cable transmission. The pick-up coil 11 is limited to the influence of an opposite coil 32 by a soft-iron shell 21 broken away at the coil 11. The impulse coils 11, 32 are preferably of the bipolar type, and signal impulses may consist of direct currents. For multiplex working several sets of impulse coils 32 may be arranged circumferentially around the distributor, and a number of distributors may be mounted on a single rotating shaft.
Patent GB-858018-A (GB)
Title: An improved fastener
Inventor: FERNBERG ERIC BIRGER
IPC: B60J10/04
Filed: 1957-09-30
Abstract: 858,018. Vehicle windows. F. T. PRODUCTS Ltd. Sept. 17, 1958 [Sept. 30, 1957], No. 30556/57. Class 20(3) [Also in Group XXV] A fastener 10, Figs. 2 and 3, comprises a single strip of spring material bent to substantially a U-shape so as to have a web 15 and two limbs 16, each limb being formed with a pair of outwardly directed prongs 13, 14 and having a portion thereof not more than one third the width of the strip; the end of cach limb 16 is cut away to form a head, carrying a pair of inwardly directed claws, 11, 12, and a relatively narrow neck E. The fastener 10 is used to secure a window guide rail 17 in a metal channel 18, the claws 11, 12 penetrating the rail 17 and the prongs 13, 14 biting into the inside surface of the channel 18 when the rail 17, disposed inside the fastener 10, is pushed into 'he channel 18. The latter may have an internal longitudinal rib in each of its walls beneath which the prongs 13, 14 engage. In a modification, Fig. 7, in which the length of each limb is reduced, the width of the fastener over the claws 11, 12 is also reduced and the tips of the claws and prongs on each limb lie on a straight line A-A. Alternatively, the tips of the claws may be located nearer the web of the fastener than the tips of the prongs. Specification 837,416 is referred to.
Patent GB-677820-A (GB)
Title: Improvements in and relating to apparatus for the control of poly-phase rectifiers
IPC: H02M7/06
Filed: 1949-11-29
Abstract: 677,820. Rectifying. GENERAL ELECTRIC CO., Ltd., and FRIEDLANDER, E. S. Nov. 29, 1950 [Nov. 29, 1949], No. 30600/49. Class 38 (ii). A polyphase rectifier system comprises a rectifier transformer having the phases divided into two groups with a saturable interphase transformer interconnecting the two groups, wherein means are provided to control the direct current supplied to the saturating winding in a sense tending to balance the currents in the two groups of phases. Each group of phases is further sub-divided and connected through additional interphase transformers 11, 12 respectively, the centre taps 13, 14 of which are connected to an end of the main winding 15 of the saturable interphase transformer through similar circuits comprising a control winding 16 or 17 of a saturable reactor 18 and an operating winding 19 or 20 of a reversing switch 21. Any disparity between the current in the two groups of phases alters the impedance of the winding 26 of the saturable reactor 18 and so allows the A.C. voltage supplied to the rectifier bridge 23 to vary thereby varying the direct current supplied to the saturating winding 22, the reversing switch 21 being operated such that the sense of the direct current applied to the winding 22 tends to reduce the disparity between the currents flowing in the two halves of the main winding 15. Alternatively the reversing switch may be replaced by a differential or a polarized relay and further the bridge 23 may be replaced by a D.C. generator.