baber/WOPTO huggingface dataset:
Patent GB-411202-A (GB)
Title: Improvements in or relating to the manufacture of cellular rubber
IPC: C08J9/00
Filed: 1933-01-03
Abstract: 411,202. Cellular rubber. SOC. ITALIANA PIRELLI, and PESTALOZZA, U., 21, Via Fabio Filzi, Milan, Italy. Jan. 3, 1933, No. 220. [Class 70.] Cellular rubber is made from aqueous rubber dispersions by quietly leading into a substantially quiescent body of the dispersion a series of bubbles of a gas having direct or indirect coagulating properties, so as to build up, by the floating of the bubbles towards the surface accompanied by coagulation of the bubble walls, a coherent mass of cellular coagulum. If vulcanized cellular rubber is to be produced, sulphur, accelerators &c. may be added to the dispersion, the cellular coagulum produced being dried and vulcanized, or vulcanized first and then dried ; or prevulcanized latex may be used in which case the coagulum only needs drying. Examples of suitable coagulant gases are carbon dioxide, sulphur dioxide, or mixtures of these. The coagulation may be by direct action or by indirect action such as by neutralizing the ammonia or other preservative or by combining with the preservative or other added - substance, e.g. a dormant coagulant, to produce an active coagulant. Examples of such dormant coagulants are diorthotolylguanidine, diisoamylamine, bornylamine and benzylamine. The coagulant gas is preferably diluted with an inert gas, e.g. air or nitrogen so that the reduction in size of the bubbles due to these reactions is not too great. In examples the volume of the diluting gas is from one-third to twice the volume of the coagulant gas. In a preferred form of the invention, the latex or other dispersion has added to it a small quantity of a coagulant which becomes operative when the ammonia or other preservative is neutralized, e.g. an alkaline earth metal salt, a zinc salt or a mixture of an ammonium salt and zinc oxide. For example, reckoned on the total weight of the latex preserved with .7 per cent of ammonia and containing 50 per cent of rubber, there may be added À5 per cent of crystallized magnesium sulphate in aqueous solution, or a mixture of 1 per cent of ammonium sulphate and .5 per cent of zinc oxide in aqueous suspension, or 1À5 per cent of crystallized zinc acetate in aqueous ammoniacal solution. The mould for the formation of the cellular article is preferably made of stainless steel with polished interior walls. The apparatus shown comprises a twopart mould 1, 2 having a hole 3 at the top, a small latex tank 7, on a level with the mould, connected thereto by tubes 5, 6 and a number of injector tubes 8 for the coagulant gas arranged along the bottom of the mould. The tank is partly filled with compounded latex or the like and bubbles are fed in until the foam completely fills the mould. Excess latex is then discharged from the tank, the mould is removed and the holes at top and bottom are securely plugged. The mould may then be placed in an oven &c. for vulcanization.
Patent GB-902304-A (GB)
Title: Improvements in and relating to centrifuges
IPC: B04B7/08
Filed: 1949-01-04
Abstract: 902,304. Centrifugal separators. GENERAL ELECTRIC CO. Ltd., and BOYLAND, D. A. Jan. 4, 1950 [Jan. 4, 1949], No. 239/49. Class 23. In a separator rotor an end-plate 11 is attached to the body 10 by an annular sealing member 14. The member is of aluminium alloy or copper foil, and is soldered to the plate and body. Specification 608,692 is referred to.
Patent GB-820420-A (GB)
Title: Microwave wattmeter
Inventor: NELSON BRUCE ELMER
IPC: G01R21/00
Filed: 1957-01-02
Abstract: 820,420. Impedance networks. VARIAN ASSOCIATES. Jan. 2, 1957, No. 239/57. Class 40 (8). [Also in Group XXXVI] In Figs. 1a, 1b a wide band micro-wave wattmeter comprises an outer conductor 1 and inner conductor 2 insulatedly supported therein and respectively coupled by spring sleeve 29 and flanges 28, 28<1> to a coaxial supply line; conductor 2 being spigoted to a tapered extension 4, having a longitudinal internal bore 5 communicating with the inter-conductor space through slots 11, 11<1> and extending to a pointed end terminating in an extended lossy metallic wire 12 supported by drilled insulating bushing 14 and tensioned by a spring 15 between the bushing and a lock-nut terminating the wire. An insulating sleeve 8 of uniform bore threaded at one end to inner conductor 2 and sealed at the other by packing ring 32 into closure block 17 surrounds the inner conductor tapered extension, while a further insulating sleeve 10 within sleeve 8 extends from a point of the taper distal of the slots 111 to a socket of the closure block, and supports the bushing 14. Block 17 is drilled with passages receiving pipes 25, 25<1> through which dielectric fluid, e.g. water is pumped, and the bulbs of input and output thermometers 21, 21<1> are inserted in the passages, which lead the fluid from pipe 25<1> to the annular space between sleeves 8, 10, through slots 11, the bore 5 of extension 4, slots 11<1>, the space between sleeve 10 and the tapered extension, the bushing 14, and the output pipe 25. The power fed into the device is calculable from the rate of flow of the dielectric fluid and the rise in temperature indicated by the thermometers.
Patent GB-118970-A (GB)
Title: Improvements in or relating to Lasts employed in the Manufacture of Boots and Shoes.
Inventor: ESSAM GEORGE
IPC: A43D3/14
Filed: 1918-01-05
Abstract: 118,970. Essam, G. Jan. 5, 1918. Lasts.-A finishing-last comprises a forepart a, Fig. 2, and a heel part b, each in the form of a hollow, shell-like body made of sheet metal and hingedly connected by a transverse bar f, or by rivets. In another construction, Fig. 3, the bar f is arranged to slide in slots h in the forepart, and the last is held extended by hinged links i, j controlled by a spring n. This stretcher device may also be applied to the last shown in Fig. 2.
Patent GB-661391-A (GB)
Title: Improvements in or relating to clutch mechanisms
IPC: F16D43/22
Filed: 1949-01-05
Abstract: 661,391. Friction slip clutches. WESTERN ELECTRIC CO., Inc. Jan. 5, 1949 [Jan. 30, 1948], No. 288/49. Class 80 (ii). A flywheel 12, rotatably mounted on a driven member 16, has fast thereon arcuate cam surfaces AB coacting, as through rollers 25, with clutch-operating arms 21 pivoted on the member 16 and acting on a multiplate clutch pack D between the member 16 and a driving member 31 as through adjustable struts 27. The arms 21 are drawn together by tension springs 22 connecting their ends, so as to engage the clutch when the rollers 25 are central of the surfaces AB under steady torque; but inertial movement of the flywheel 12 under acceleration or deceleration displaces the rollers 25 to one side or other of the surfaces AB and causes clutch slip, so that the rate at which the driven member 16 can be speeded or slowed by the driving member 31 depends on the clutch characteristics rather than those of the driven load. The springs 22 are easily replaceable by others of a different tension. The clutch pack D comprises inner driven discs having fabric facings and outer driving discs of metal. The invention is applicable to the driving by synchronous motors of distributors used in sound recording.
Patent GB-656921-A (GB)
Title: Impulse-counting mechanisms
Inventor: BENNETT ALBERT EDWARD
IPC: G06M1/10
Filed: 1948-01-05
Abstract: 656,921. Counting-apparatus. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Jan. 5, 1948, No. 289. [Class 106 (i)] In an impulse counting mechanism, a continuously operating power source is coupled to count-registering mechanism by a friction clutch comprising a helical spring wound coaxially on a shaft, the clutch being engaged and disengaged by power derived from the power source under control of a device operable by the impulses to be counted. As shown, a motor 1 continuously drives a shaft 4 which is frictionally coupled to a hollow shaft 5 by a spring 8 secured between the shaft 5 and a ratchet 10 freely mounted on shaft 4. Electrical impulses to be counted energize an electromagnet 13 which then attracts an armature 12 and detent 11 to free the ratchet and thus allow the spring to tighten on the shaft 4 so that the shaft 5 is driven and operates a counter 6. The counter shown may be replaced by printing mechanism. In another form, the shaft 4 is hollow and surrounds the shaft 5.
Patent GB-352384-A (GB)
Title: Improvements in means for laying railway tracks
IPC: E01B29/02
Filed: 1930-01-03
Abstract: 352,384. Permanent way; overhead transporters; unloading vehicles. LOVEN, L., 145, Libertad Street, Buenos Aires. Jan. 3, 1930, No. 337. [Classes 78 (iv) and 104 (ii).] Railway tracks are laid by a machine handling complete track sections fed from the lower ends of piled stacks carried by attached wagons. The machine 1, Fig. 1, has a braced support 3 carrying a beam 5 consisting of a pair of U-beams forming a runway for a trolley 7 with running wheels 8, and pulleys 9 for a hoisting cable 10. The cable 10 is driven from a drum 11 while the trolley is traversed by a chain 16 driven from a wheel 20. Drum 11 and wheel 20 are rotated from a drum 28 actuated either by a motor 25 or from the track wheels 2 of the machine 1. The machine 1 has a ramp 31 guiding the fishplates 48 of the track-sections N into position on the ground. The sections are fed by a cable wound on drum 28. Each wagon carries at each side sets of winches 33, 34, Fig. 5, with shoes 35 engaging the sleepers of alternate sections N, the sections being piled with sleepers staggered, so that the stack can be supported while the lowest section is lowered ready for feeding to the machine. The assembling ground layout comprises stacks D, Fig. 8, of sleepers arranged over narrow gauge tracks B leading to benches A where the rails are spiked to the sleepers. The sections are then transferred by cranes F to wagons H on main tracks G leading to supports I for stacking the sections. The tracks B are traversed by wagons C, adapted to carry the sleepers ready spaced for one or more lengths of rails, the rails being taken from stacks E and held to gauge on the bench A by end-stops, clamps, and chains. The sleepers are raised clear of the wagons C by bars 42, Fig. 15, carried by shoes 43 raised by screws and hand-wheels, and are held up to the rails during the spiking operation by levers 46 resting on beams 47.
Patent GB-100017-A (GB)
Title: Improvements in Switching Devices for Starting Internal Combustion Engines.
Filed: 1916-01-10
Abstract: 100,017. Bosch, R. [Firm of]. Jan. 11, 1915, [Convention date]. Systems for continuoits c u r r e n t motors only. - In a starting - device for automobile engines in which a starting- motor is driven at the first step with a small torque and at the second step with a greater torque, a circuit is closed at the first step through a resistance of high positive temperature coefficient, the alteration in the conductivity of which causes an electro-magnet to close a main circuit after a certain interval and cut out the resistance. The electro-magnet is provided with an energizing winding i and an opposing winding l in series with the resistance m. On pressing a push-button f, the circuit of the motor c is closed through the resistance m; after an interval the increase in value of the resistance diverts sufficient current through the winding i to close the main circuit at b, the circuit through the resistance being simultaneously opened at p, n. In a modification the winding l is dispensed with, and a resistance having a small or negative temperature coefficient is placed in the part of the circuit common to the winding i and resistance m. In another arrangement, at the first step of the switching process a shunt circuit is closed including the field winding, but not the armature of the motor, and on the closing of the main circuit by the electro-magnet the shunt circuit is opened and the resistance is short-circuited. The Specification as open to inspection under Sect. 91 (3) (a) also states that instead of using a resistance with positive temperature coefficient one with a large negative coefficient may be placed in series with the winding of the electromagnet. This subject-matter does not appear in the Specification as accepted.
Patent GB-475608-A (GB)
Title: Improvements in or relating to tobacco feeding apparatus for cigarette making machines
IPC: A24C5/39
Filed: 1937-01-06
Abstract: 475,608. Cigarette-making machines. MULLER, J.C. Jan. 6. 1937, No. 421. Convention date, Feb. 27, 1936. [Class 130] Short tobacco falling between a block and a feed roller b, in a hopper a, into a container m is delivered by a feed roller n and a picker roller n<2> on to a belt o discharging into a trough g into which the long fibres are fed by a belt c. Additional short tobacco may be delivered to the container m from a container p. The distance between the roller b and the block i may be adjusted to regulate the quantity of tobacco falling into the container m. The ratio of long to short tobacco delivered into the trough g is varied by adjusting the speed of revolution of the rollers b, n.
Patent GB-213683-A (GB)
Title: Improvements in egg openers
IPC: A47G19/28
Filed: 1923-01-08
Abstract: 213,683. Jorgensen, P. H. Jan. 8, 1923. Eggs, opening.- A device for opening eggs comprises a casing 1, having a bevelled-edged aperture 2 to receive the egg and fitted with four blades 5 sliding in slots 4, each blade having a lug 6 which contacts on one side with a spring 7 secured to the casing and on the other with a cam member 11, the four members 11 being carried on the lower end of a tube 9 rotatable by means of its knurled upper end 12. In operation, the device is set, before being positioned on the egg, so that the cams 11 hold the blades 5 in their retracted position, as shown in Fig. 3, a spring catch 13, engaging in one of four equally spaced notches in the tube 9, being provided to secure the parts in the set position. On placing the device over the egg, slight depression of the catch 13, to disengage it from the notch, causes the cams 11 to rotate with consequent release of the blades which cut the shell and hold the cut-away portion so that it is removed with the device.
Patent GB-1366224-A (GB)
Title: Process for making aziridines
IPC: B01J23/00
Filed: 1972-01-06
Abstract: 1366224 Aziridines DOW CHEMICAL CO 6 Jan 1972 662/72 Heading C2C Aziridines of formula in which R is H, methyl or ethyl are prepared by reacting ammonia with a dihaloalkane of formula RHC(X)-CH 2 (X) in which R is H, methyl or ethyl and each X independently is a halogen atom, in the presence of an alkali metal hydroxide which is added incrementally to the reaction mixture during the reaction period.
Patent GB-1586724-A (GB)
Title: Monoazo acetoacetarylide pigments and process for their production
IPC: C09B29/01
Filed: 1978-01-09
Abstract: New monoazo pigments of the formula I <IMAGE> where A, X1, X2, Z and R are each as defined in Claim 1, are prepared by coupling the diazo compound of corresponding anilines with an acetoacetarylamide of the formula III <IMAGE> in a molar ratio of 1:1. The compounds (I) are suitable for pigmenting macromolecular organic material, which can be natural or synthetic in origin. They are notable for ease of availability and good heat, light, overcoating, migration and weather fastness.
Patent GB-488571-A (GB)
Title: Improvements in plate heat exchangers for fluids
IPC: F28D9/00
Filed: 1937-01-09
Abstract: 488,571. Soldering radiators. SWAN, A., and GRIFFITH, A. A. Jan. 9, 1937, No. 690. [Class 83 (iv)] [Also in Group XIII] A jig 13, Figs. 8, 9, for assembling a matrix for a heat exchanger consisting of a pile of alternate flat and corrugated sheetmetal plates 2, 3, Fig. 2, respectively, has a pair of opposite removable sides 14 and three spring-loaded plates 17 arranged mutually at right-angles for clamping the plates tightly together. The plates, e.g. of stainless steel, cupro-nickel, German silver, &c., are tinned and, after assembly in the jig, the latter, which is provided with openings 16 in its sides, is immersed in a bath of flux and then placed in an oven.
Patent GB-626734-A (GB)
Title: Machine for manufacturing book-binding cases
IPC: B42C7/00
Filed: 1947-01-09
Abstract: 626,734. Folding edges. HUY, F. P. d'. Jan. 9, 1947, No. 786. Convention date, Aug. 5, 1944. [Class 42 (i)] [Also in Group XV] A machine for folding the edges of cardboard sheets comprises conveyer belts for supporting and feeding the blanks longitudinally through the machine, two spaced-apart parallel supports extending longitudinally of the machine for carrying complementary devices to fold and paste the edges, and means whereby one of the supports can be transversely adjusted in the machine to accommodate different size blanks. The machine comprises a number of pairs of rollers or cylinders journalled in double bearings 3, 4, mounted at each side of the machine on longitudinal beams 2 to perform the various processes. The lower rollers are driven by chains 8, the upper rollers being vertically adjustable to accommodate varying thicknesses of sheets and driven from the lower rollers. The sheets are guided and moved through the machine by the two supports 9, 10 comprising lower halves 9a, 10a, transversely adjustable on rods 62 fixed to the beams 2, and upper parts 9b and 10b, mounted archedly over the lower halves through a vertical sliding adjustment to form a space on each support 9, 10 for two conveyer belts 21 passing through that space and around pulleys 15, 16 and 17, 18 mounted in alignment with the ends of the supports 9, 10 on spindles 5, 19 and 6, 20, tension on the belts being maintained by the jockey pulleys 22. The sheets are fed into the machine at 24, Fig. 2, and a feeler 26 adjustably positioned on a longitudinal rail fastened to holder 9b arranges, by means of a relay device, to rotate the cylinders 28, 30 a limited amount, and so cut off the front corners of the sheet. This is followed by combined crease-indentation and edge-cutting cylinders 32, and then a second sensing-device 57 on the rail causes cylinders 28, 30 to again rotate a limited amount to cut off the tail corners of the sheet. The sheets are next glued by devices 35, 36, dried by drying devices 37, folded on two edges at 38, and then passed to pressing-cylinders 40, 42 and out of the machine at 25. Before the sheets are again fed through the machine to treat the other two edges, the support 10 is transversely adjusted to accommodate the new width by means of two screwed rods 48 and hand wheels 50 coupled together. The rollers &c. acting on the left-hand edge of the sheets are transversely moved with the support 10 by tongues thereon engaging with circumferential grooves in the rollers, transmission to the rollers being maintained by transverse keyways on the driving shafts.
Patent GB-961651-A (GB)
Title: Improvements in or relating to telephone meters
IPC: H04M15/10
Filed: 1963-01-08
Abstract: 961,651. Counting-apparatus. TELEPHONE & ELECTRICAL INDUSTRIES PTY. Ltd. Jan. 8, 1963 [Nov. 9, 1962], No. 908/63. Heading G4D. A telephone meter comprises a plastic escapement, the operating mechanism and meter being enclosed in a thermoplastic case. The polepieces 8 are stampings inserted in a frame 9 of nickel-silver. A nylon escapement 2 carries an armature 10 and is supported on a nylon bearing 11. The thermoplastic casing 1 has recesses 6 to locate each meter. The meters may be arranged in racks, Fig. 3.
Patent GB-200444-A (GB)
Title: Improvements in building brick
IPC: E04B2/04
Filed: 1923-01-11
Abstract: 200,444. Rurade, F. W. Jan. 11, 1923. Facing-bricks; bricks, special shapes of.- Building bricks, applicable also as facing-bricks, are made equal m size to three, five, or more ordinary bricks, the faces being grooved to represent the joints. To key the bricks to the mortar, the rear faces are made smaller than the front faces and grooves or recesses 9 are formed all round the periphery.
Patent GB-448888-A (GB)
Title: Improvements in or relating to loose-leaf files or binders
IPC: B42F13/26
Filed: 1935-01-11
Abstract: 448,888. Loose-leaf binders. KEENE, J. A., 27, Cursitor Street, London.. Jan. 11, 1935, No. 959. [Class 146 (i)] In a loose - leaf binder of the type in which divided ring- members 1 are mounted on spring- pressed toggle plates 2 by means of base portions 3, 4 extending inwardly along the mounting plates 2 and passing through perforations therein, the base portion 3 of each ring-member passes outwardly transversely of the mounting plate from its point of connection thereto to beyond the outer edge, so that the outer side of the ring member lies beyond the outer side edge of the mounting plate.
Patent HK-12780-A (HK)
Title: Padlockable pair of sliders for slide fasteners
IPC: A44B19/00
Filed: 1980-03-13
Abstract: A pair of sliders to be arranged reversely to each other on a pair of fastener stringers so as to be padlocked together in abutting engagement with each other upon full closure of the fastener. Each slider has a forwardly projecting link portion formed on the front end of its body and having an eye formed transversely therethrough. On one of the side faces of the link portion there is formed a forwardly directed ledge extending radially or diametrically of the eye. Upon full closure of the fastener, the link portions of the two sliders interlock, with their opposed ledges in close contact with each other, to hold their eyes in axial alignment for the insertion of the padlock shackle. The link portion of each slider has its bottom end formed into a tongue which can be received in a groove formed in the body of the other slider.
Patent HK-23394-A (HK)
Title: Water-based autoxidisable air-drying coating composition and copolymers for use in it
Inventor: TAYLOR PHILIP LOUIS
IPC: C08F8/14
Filed: 1994-03-17
Abstract: A water-based autoxidisable coating composition, especially a gloss or partial gloss coating composition (eg paint, varnish, woodstain or timber preservative) suitable for application at ambient temperatures which comprises water, minimal organic cosolvent and a partially esterified carboxylic acid film-forming copolymer at least partially neutralised by monovalent cations wherein the copolymer contains added 3-allyloxy-2-hydroxypropyl groups or certain analogues derived from addition of allyl glycidyl ether or certain of its analogues to carboxylic acid groups, in a copolymeric backbone portion derivable from a prepolymer of weight average molecular weight less than 30 000. The partially esterified copolymer has an acid value of 25 to 60 and preferably a dynamic solution viscosity of 1 to 500 Pa.sec measured in 1-methoxy-2-hydroxy propane by oscillatory parallel plate rheometer. The coatings lap well, dry quickly and achieve acceptable water resistance. Also the optionally unneutralised copolymer and the coating composition when containing a minor amount of particulate copolymer which is found to improve gloss. Discolouration on ageing may be improved by neutralising with Group 1 metal cations.
Patent HK-93096-A (HK)
Title: Impeller in particular for hairdressing appliances
Inventor: VIETH ALFRED
IPC: F04D29/32
Filed: 1996-05-30
Abstract: PCT No. PCT/DE90/00604 Sec. 371 Date Feb. 25, 1991 Sec. 102(e) Date Feb. 25, 1992 PCT Filed Aug. 6, 1990 PCT Pub. No. WO91/03648 PCT Pub. Date Mar. 21, 1991.The invention is directed to an impeller of an axial-flow type fan, in particular for appliances for drying and dressing hair, in which adjacent blades overlap each other completely over the radial extent of the blades in the edge regions of the blades. To ensure that the injection-molded impeller is capable of being ejected from the mold, the angle of opening is required to be smaller than or equal to the angle of rotation.