baber/WOPTO huggingface dataset:
Patent GB-244033-A (GB)
Title: An improved vacuum brake
IPC: B60T13/24
Filed: 1925-02-26
Abstract: 244,033. Dewandre, A. Dec. 6, 1924, [Convention date]. Addition to 226,670. Fluid - pressure. - In vacuum brakes for vehicles having a lost-motion connection between the brake pedal and the brake rigging to enable the driver to operate a distributor, controlling communication between the brake cylinder and either the atmosphere or the source from which the vacuum is derived, by the initial movement of the pedal, as described in the parent Specification, the distributor comprises two slide valves, one of which is connected to the pedal and the other to the brake rigging whereby a graduated application of the brakes may be obtained. The vacuum in the brake cylinder may be caused to react on the pedal in order to give the driver an indication of the force applied to the brakes, and, by depressing the pedal sufficiently to take up the lost motion between it and the brake rigging, the driver may exert direct pressure on the brakes. A pair of plane slide valves may be used, or, as shown in Fig. 2, two cylindrical slide valves 61, 62 having relative axial movement may be employed, the valve 62 being adapted to slide in the brake cylinder 3. The valve 61 connected to the pedal is provided with ports 67, and the valve 62 connected to an arm 66 supporting the member 63 of the brake rigging which provides the lost-motion connection with the pedal, is provided with ports 68, 69, open respectively to atmosphere and to the suction pipe 1 of an internal-combustion engine. The valves are shown in release position with the brake cylinder open to the ports 68 through the valve 61, but if the pedal 13 is racked in a clockwise direction, the valve 61 is moved to the left to disconnect the brake cylinder from the poris 68 and connect it to the suction pipe by the ports 69. The brake piston 4 is then moved to the left to apply the brakes through the connections shown, and the suction reacts on the valve 61 and thence on the pedal. The movement to the right of the member 63 will move the valve 62 to the left through the e arm 66 to throw the ports 67, 69 cut of register, without, however, connecting the brake cylinder to atmosphere. The brake action will not increase further unless the pedal is further depressed. The brake may therefore be applied gradually. In the modification shown in Fig. 3, the valves 61, 62 are shown as rotary slide valves, and the force applied to the brakes by the piston 4 reacts on the pedal through an arm 70 pivoted on the member 66, whilst the follow-up action of the valve 62 is effected by means of a rod 71 connected to the rigging as shown. The slide valve 62 may, however, be connected to an extension of the hub of the arm 66. Specifications 232,738 and 215,178 referred to.
Patent GB-433628-A (GB)
Title: Improvements relating to ignition magnetos
IPC: H02K21/38
Filed: 1934-02-19
Abstract: 433,628. Inductor magnetos. LUCAS, Ltd., J., and LAIRD, J. A., Great King Street, Birmingham. Feb. 19, 1934, No. 5387. [Class 35] In an inductor magneto having a pair of coils each consisting of primary and secondary windings the inductor and armature pole-pieces are so arranged that the flux changes in the two coils are in quadrature. In the form shown, the armature pole-pieces e are non-symmetrically spaced about the inductor a which has three limbs so that six flux changes are produced in each coil in each revolution. One magnet may be omitted in which case the flux changes in each core are changes of magnitude and not direction. The distributer or distributers may be combined with the magneto or be separate.
Patent GB-703636-A (GB)
Title: Improvements in or relating to austenitic steels and the heat treatment thereof
IPC: C22C38/58
Filed: 1951-03-06
Abstract: A method of producing austenitic steel components of high yield strength, without cold working, consists in subjecting to solution and precipitation hardening, alloys of the following composition: C 0.35-0.55 per cent. Mn 3.0-less than 5.0 per cent. Ni 10.0-13.0 per cent. Cr 2.5-5.5 per cent. V 0.5-1.0 per cent. Fe and incidental impurities the remainder, the treatment comprising heating at a temperature in the range 1100 DEG C.-1200 DEG C. for a period which for a temperature of 1150 DEG C. is about 1 hour, cooling in air, oil or water, followed by heating to 650 DEG C. -750 DEG C. for a period which, for a temperature of 700 DEG C. is about 16 hours, and finally cooling.  Specification 612,106 is referred to.  The Provisional Specification describes also the treatment of alloys within wider ranges namely: C 0.2-0.7 per cent. Mn 2.0-8.0 per cent. Ni 8.0-15.0 per cent. Cr 2.0-12.0 per cent. V 0.3-1.0 per cent. Fe substantially the remainder.
Patent GB-1131369-A (GB)
Title: Improvements in or relating to automatic telephone systems
Inventor: HEMMINGS WILLIAM ARCHIBALD CHA
IPC: H04Q3/00
Filed: 1965-11-18
Abstract: 1,131,369. Automatic exchange systems. HER MAJESTY'S POSTMASTER GENERAL, and AUTOMATIC TELEPHONE & ELECTRIC CO. Ltd. 31 Oct., 1966 [18 Nov., 1965], No. 5533/68. Divided out of 1,131,367. Heading H4K. In a group selector having two networks each comprising a plurality of linked primary and secondary relay cross-point matrices, the outlets of each network are formed into levels comprising corresponding outlets of the secondary switches, the inlets of each network having individual access circuits, a control equipment (stage register) being provided for both networks in common and giving service to seized access circuits one at a time to be operative upon a digitally indicated group of outlets comprising at least one output level of the network served by the access circuit. The group selector is that described in Specification 1,131,367.
Patent GB-846342-A (GB)
Title: Improvements in or relating to coal cutter chains
Inventor: PROCTOR SIDNEY ERNEST
IPC: E21C25/28
Filed: 1958-02-20
Abstract: 846,342. Mineral-mining equipment. HOY & CO. Ltd., A. Feb. 20, 1959 [Feb. 20, 1958], No. 5601/58. Class 68(1). To assist in sweeping cut coal forward with a cutting chain there extends from one or both sides of pick boxes 30 in which picks are secured by set screws extending parallel to the length of the links of the chain on which the boxes are mounted, a transverse web 31, which is thin relatively to the length of the box. Specification 840,051 is referred to.
Patent GB-588796-A (GB)
Title: Improvements in or relating to lathe and like tool holders
IPC: B23B27/16
Filed: 1945-03-07
Abstract: 588,796. Tool-holders. CREED, A. B. March 7, 1945, No. 5680. [Class 83 (iii)] In a lathe and like tool-holder, the shank 1 has a conical recess 2 at one end to receive a similarly shaped holder 3 provided with a slot 6 for the tool 7. Diametrical cross-cuts 8, 9 in the holder allow the slot 6 to be contracted on the tool when the holder is drawn into the recess 2 by means of a nut screwing on a shank 4 on the holder, and the holder may be adjusted angularly in the recess to vary the height and top rake of the tool. The shank is also recessed at one side at 10 and 1 to allow adjustment of the tool whose outer side lies substantially flush with the side of the shank and whose inner side is drawn tightly against the base of the recess 10, 11.
Patent GB-397035-A (GB)
Title: Improvements in or relating to means for priming centrifugal pumps
IPC: F04D9/06
Filed: 1933-02-24
Abstract: 397,035. Centrifugal pumps. HOLDEN & BROOKE, Ltd. and McNAIR, D. G., Sirius Works, West Gorton, Manchester. Feb. 24, 1933, No. 5697. [Class 110 (i).] A centrifugal pump is primed by means of an ejector operated by the residual water in the pump, part of the water being used as a seal to prevent the vacuum from being broken as formed. The main casting 1 has a flanged inlet 2 connected to the suction pipe and a flanged outlet 3 connected to the pump 4 to be primed. An ejector 5 with air and water inlets 6, 7 respectively is connected to the delivery branch 8 of the pump by a pipe 9 and a hand-operated valve 10. The chamber formed by the casing 1 is divided into two compartments by the weir 15 ; one compartment 14 communicates through the opening 16 with the inlet 2 and outlet 3 while the compartment 13 receives water from the ejector. After use the pump contains water to the level shown, and when the pump is restarted with its delivery valve 11 closed, water is forced through the pipe 9 and the ejector 5 to the compartment 13. Air from the suction pipe is entrained by the ejector and escapes through the port 17 while the water flows from the compartment 13 to the compartment 14, through the opening 16 back to the pump. The water in the casing 1 thus forms a seal which prevents air from reaching the suction pipe. When the pump is primed the valve 10 is closed, the valve 11 is opened, and the pump works normally. In a modification the hand-operated valve 10 is replaced by a spring-controlled valve 18, Fig. 4. After the pump is primed and the valve 11 opened, the drop in pressure on the delivery side permits the spring 19 to raise the valve to shut off the ejector circuit. In another modification the valve 11 is operated automatically as well as the valve 18.
Patent GB-539220-A (GB)
Title: Improvements relating to rollers of rotary cloth milling machines and cloth washing machines
IPC: D06B23/02
Filed: 1941-05-03
Abstract: 539,220. Rollers for cloth milling and cloth washing machines. GARSIDE, J. T., (trading as GARSIDE & SON, J.). May 3, 1941, No. 5786. [Class 42 (ii)] A roller for a rotary cloth milling or cloth washing machine comprises a hub A to be fixed upon a shaft, a standardized and interchangeable body B, and a tubular covering C of asbestos, cotton, jute or hemp impregnated with synthetic resin or other heat-hardening binder. The covering C when formed and hardened is forced on to the body and finished off by machining or grinding. The hub A is formed with a flange having a surface a<SP>1</SP> concentric with its axis, and the body B is formed with an internal flange b seating upon the surface a'. The covering may be formed from a length of cord passed through a bath of synthetic resin and wound upon a former in a number of superposed coils, the wound coils being hardened by baking, removed from the former and forced on to the body B by hydraulic pressure.
Patent GB-622012-A (GB)
Title: Improvements in and relating to smokers' ash-trays
IPC: A24F19/06
Filed: 1947-02-28
Abstract: 622,012. Smokers' ash-trays. DICKENSON, K. L., and SWINTON, U. A. E. Feb. 28, 1947, No. 5873 [Class 130] Two plates e, which are held against semi-circular openings in the base of an ash-tray a by a spring g, are released when a knob j is pressed, so that the cigarette ashes &c. may fall into a receptacle b. The plates are pivoted on a cross-member f and the spring acts through a transverse rod h.
Patent GB-1414600-A (GB)
Title: Plasticised polyester sutures
IPC: C08K5/12
Filed: 1974-02-08
Abstract: 1414600 L(-)lactide-glycolide copolymer fibre ETHICON Inc 8 Feb 1974 5886/74 Heading B5B [Also in Division C3] A plasticized L(-)lactide-glycolide copolymer monofilament suture having a straight tensile strength of at least 65,000 p.s.i. and a Young's Modulus of from 3.9 x 10<SP>5</SP> p.s.i. to 7.9 x 10<SP>5</SP> p.s.i. is obtained by polymerizing 10-15 mol per cent L(-)lactide with 90-85 mol per cent glycolide and plasticizing with 10-15 weight per cent of a plasticizer. The monofilament is prepared by extruding the plasticizer copolymer using a screw-extruder, passing the filament through the water bath, collecting on a take-up spool, and conditioning the filament on the spool by heating for half-hour at 65‹ C., drawing 4X in a glycerin bath at 107‹ C. and the drawn filament is wound on a rack under tension and the rack is immerised in bis-2- methoxyethyl phthalate maintained at 120‹ C. for 24 hours.
Patent GB-252476-A (GB)
Title: Improvements in and relating to the manufacture of medicinal oil preparations
IPC: A61K35/02
Filed: 1925-03-05
Abstract: 252,476. Potts, H. E., (Douglas Pectin Corporation.). March 5, 1925. Medicines for internal use.-A mixture containing normally immiscible medicinal oils such as castor oil and mineral oil is obtained by emulsifying the oils together in an aqueous colloid so as to form an emulsion of the oil-in-water type. The oils, are run simultaneously in separate streams into the emulsifying agent with constant agitation. Suitable emulsifying agents are a viscous solution of gum acacia, the pectin preparation described in Specification 221,466, or a solution containing both these substances.
Patent GB-1406359-A (GB)
Title: Fire extinghuishing apparatus
Inventor: LOCKWOOD F
IPC: A62C35/60
Filed: 1973-02-07
Abstract: 1406359 Fire-fighting system CHUBB FIRE SECURITY LTD 29 Jan 1974 [7 Feb 1973] 6060/73 Heading A5A A combined fire detection and extinguishing system comprises a container 1 of extinguishing fluid e.g. B.C.F. under vapour or gas pressure, a heat destructable detector tube 3, preferably of nylon, with one closed end and the other end connected through a bleed passage 22, 23 to the container 1 to enable it to be subjected to a pressure at least as great as that in the. container, a discharge tube 4 with extinguishing fluid outlets 5 connected to the container via a pressure control valve 2, a control member of which is subjected to the pressure in the detector tube 3 and arranged so that while the pressure in tube 3 is maintained the valve is closed 'but on loss of that pressure due to rupture of tube 3 by heat the valve opens and allows fluid to enter the discharge tube. In use the apparatus is activated by connecting a source of inert gas to valve 33 and pressurising till the pressure in chamber 31 equals that in container 1. Plunger 25 is then raised by unscrewing and removing screw 28 where nylon disc 24 sits on the top of boss 17 arranged on diaphragm 16. On pressure loss in detector tube 3 attached to union 32, gas bleeds through passages 22, 23, lifts disc 24 and blocks passage 23, and causes unequal pressure between chamber 31 and container 1 which results in an upward movement of diaphragm 16 so unseating valve seat 20. Fluid now passes from container 1 through union 12 to line 4. In a second embodiment (Fig 3, not shown) the diaphragm is replaced by a shiny-bonded piston 43 whose base carries a valve closure member 42, the bleed passages being 61 and 58, the former containing a closure member 63.
Patent GB-725965-A (GB)
Title: Improvements in or relating to a screw-slotting machine
IPC: B23G9/00
Filed: 1953-03-05
Abstract: 725,965. Nicking screw-heads; turning. WATERBURY FARREL FOUNDRY & MACHINE CO. March 5, 1953 [April 5, 1952], No. 6135/53. Class 83 (3). A screw-slotting machine comprises a rotating carrier dial 23 for carrying blanks 26 in a circular path past a slotting cutter 14, and means to engage and rotate the blanks while their heads are adjacent burr-removing means 58. The machine is similar to that described in Specification 725,935. The burr-removing means consists in a blade 58 shaped to engage the head of a blank 26, the blank being rotated by a serrated insert 63. The cutter 58 and the insert 63 are both carried on the pressure pad 40 so that they are adjustably and resiliently urged towards the carrier 23 by spring fingers 54. In a modification, the cutter 80, Fig. 12, is carried on a separate spring finger 69, Fig. 10, and the serrated insert 75 engages only one blank at a time. The cutter has two cutting edges 84, 86 so that it may be turned end-forend. The depth of the slot cut may be varied by adjustment of the saw so that the burr is correctly positioned for removal by the cutter. The insert 75 may be moved radially outward if it is desired not to mark the upper portion of each screw shank. The spring finger 69 may also be adjusted outwardly.
Patent GB-1275341-A (GB)
Title: Improvements in and relating to protecting coating for metal and wood surfaces
IPC: C09D5/08
Filed: 1970-02-09
Abstract: 1275341 Coating substrates BRITISH COLUMBIA RESEARCH COUNCIL 9 Feb 1970 [19 March 1969] 6151/70 Heading B2E [Also in Division C3] Substrates are coated with a composition for wood and metal substrates are coated in on or under water, with a composition comprising a mixture of 0.7 to 520% by weight of the total composition of a liquid adherent selected from liquid chlorinated paraffins and having an average chlorine content of 45 to 70% by weight, and low molecular weight polystyrenes; 13 to 60% by weight of the total composition of an unsaturated polyester resin; and 1.8 to 35% by weight of the total composition of a water absorbing binder chosen from Portland cement, blast furnace cement, aluminous cement, and gypsum.
Patent GB-919918-A (GB)
Title: Treatment of fibrous material
IPC: D06M15/39
Filed: 1961-02-21
Abstract: A synthetic fibrous material is coated with a first layer containing a low molecular weight epoxy compound and then with a second layer comprising a curing agent for the epoxy compound and a latex of a synthetic elastomer containing at least 25% of copolymers comprising butadiene and vinyl pyridine, the coated material heated to cause curing at least at the interface between the two layers and the resulting structure brought into contact with a vulcanizable elastomer composition and cured by heat and pressure.  The fibrous material preferably in the form of cords may be a linear terephthalate polyester while the first layer may contain a butadiene-styrene-vinyl pyridine copolymer.  An adhesive cement, e.g. containing an isocyanate may be applied to the coated fibrous materials before applying the elastomer composition.  Specification 788,381 is referred to.
Patent GB-1181022-A (GB)
Title: Adherent Fastener Article and a Fastener and a Roll including such articles
IPC: A44B18/00
Filed: 1967-02-09
Abstract: 1,181,022. Foam laminates. MINNESOTA MINING & MFG. CO. 9 Feb., 1967 [10 Feb., 1966], No. 6336/67. Heading B5N. [Also in Divisions E1 and E2] A fastener article comprises a base 1 which remains essentially undeformed at all times during use, a mechanical fastener portion on one side of the base comprising a multiplicity of engaging elements 2 which enable the mechanical fastener portion to mechanically engage with and disengage from the mechanical fastener portion of a complementary article, and a pressure-sensitive portion on the reverse side of the base comprising a soft viscoelastic foam layer 5 that is up to  inch thick and whose surface constitutes a thin stretchy integral flat surfaced skin 4<SP>1</SP> to which is united a continuous, flat shiny-smooth viscoelastic aggressively-tacky pressure-sensitive adhesive coating 3<SP>1</SP>, said pressure-sensitive portion being disposed to be pressed against and remain firmly affixed to a substrate. Base 1 and elements 2 may be made of a copolymer of trioxane. In the construction shown the mechanical fastener portion is one of the fastener portions disclosed in United States Patent No. 3,266,113 and the pressure sensitive portion is a known pressure sensitive tape which consists of the foam layer 5 with the skin 4<SP>1</SP>, on one side and another such skin 4 on the other side. The skin 4 also has a pressure sensitive adhesive coating 3, which secures the pressure sensitive tape to the base 1, the adhesive coating 3<SP>1</SP> being the coating which fixes the article to the substrate. The coating 3<SP>1</SP> is protected before use by a liner 6. The liner can be common to a number of the articles so that a roll consisting of a large number of the articles and the liner can be formed. In a modification the mechanical portion comprises a flexible backing from which the engaging elements project the engaging elements of one fastener article consisting of an upwardly projecting hooks made from filaments and the elements of the other fastener article being loops also made from filaments; for each article the flexible backing is adhered to the base 1 which is made for example of sheet metal, the backing being adhered by a permanent strong adhesive such as epoxy cement. In either form instead of the foam layer being attached to the base by the pressure sensitive coating 3 it can be directly secured to the base by preparing the foam directly against the base. The foam layer can be made of polyurethane with a foam density of 12 to 16 pounds per cubic foot, or of polychloroprene, polyvinyl chloride or natural rubber foam and the preferred pressure sensitive adhesive is a cross-linked polyacrylate, the polyacrylate being a copolymer of an alkyl acrylate having an average 6 to 12 carbon atoms in the alkyl group and a small proportion 3 to 12% of a copolymerizable monomer having a strongly polar functional group such as acrylic acid, methacrylic acid, itaconic acid, acrylamide, methacrylamide, acrylonitrile, methacrylonitrile or a mixture thereof.
Patent GB-659834-A (GB)
Title: Improvements in or relating to glands for rotatable spindles
Inventor: CHRISTY COLMAN
IPC: F16K41/08
Filed: 1949-03-09
Abstract: 659,834. Stuffing-box substitutes. NATIONAL RESEARCH DEVELOPMENT CORPORATION. March 9, 1949. No. 6442. [Class 122(v)] [Also in Group XXIX] A gland for a valve or other rotatable spindle 15 comprises two bushes 19, 20 clamped axially together in a housing 1 with a packing ring 21 between them, a packing 22 in one bush 19 which is deformed to act as a seal when a pressure difference obtains across the gland in one direction and a packing 23 in the other bush 20 which is deformed to act as a seal when a pressure difference exists across the gland in the opposite direction. The packings 22, 23 are preferably rubber rings having sealing lips thereon.
Patent GB-354684-A (GB)
Title: Improvements in or relating to air-compressors
IPC: F04B41/02
Filed: 1931-03-02
Abstract: 354,684. Air compressors. FIAT SOC. ANON., 250, Via Nizza, Turin, Italy. March 2, 1931, No. 6472. Convention date, March 6, 1930. [Class 8 (i).] An air compressor is constructed with the internal - combustion engine cylinders 2 and compressor cylinders 3 arranged radially upon the same crank case 1 and alternating with each other. The unit is enclosed in a cowling 4 and a fan 5 is provided. It is supported by brackets 7 on compressed-air cylinders 11 which have runners 8 for facilitating transport. Oil and fuel tanks 13, 14 for the engine are mounted on the crank case and the tank 11 has a liquid separator 15 and a set of distributing valves 17. The connecting-rods are coupled to a master rod, a single cam disc controls the suction valves of all cylinders, and a separate cam controls the exhaust valves of the motor cylinders.