baber/WOPTO huggingface dataset:
Patent GB-455015-A (GB)
Title: Improvements relating to pressure reducing valves or regulators
IPC: G05D16/16
Filed: 1935-04-13
Abstract: 455,015. Pressure-regalating valves. AULD & SONS, Ltd., D., and GRAHAM, J., Whitevale Foundry, Rowchester Street, Glasgow. April 13, 1935, No. 11515. [Class 135] A pressure-regulating valve of the kind having a main valve actuated by fluid pressure under the control of an auxiliary valve, has the auxiliary formed as a balanced lift valve actuated by a spring-loaded bellows. The bellows 12 is clamped against the lower side of the valve casing to form an actuating chamber and a cover 8 is secured to the other side to form an exhaust chamber. The control valve 16 is coupled to the bellows by a spindle 17 having an enlarged balancing part 18 working in the ported seat liner 5. The part of the casing surrounding the central part of the liner is recessed to form a chamber 26 communicating on the one hand with the actuating chamber of the main valve and on the other through a right-angled passage controlled by a needle valve 32 with the inside of the bellows. This space is connected by another right-angled passage with a pipe leading to the low pressure side of the main valve. Specifications 253,466, 291,308, [both in Class 135], and 455,016 are referred to.
Patent GB-532099-A (GB)
Title: Improvements in sintered hard metal alloys, in particular for tools and working appliances
IPC: C22C29/08
Filed: 1939-04-15
Abstract: 532,099. Alloys. CUTANIT, Ltd. April 15, 1939, No. 11536. Convention date, April 16, 1938. [Class 82 (i)] Sintered hard alloys consist of tungsten carbide with over 4.5 and up to 8 per cent. of titanium carbide and 9-15 per cent, of iron group metal. The particles of the initial mixture preferably have an average diameter of 3-20 microns. The alloys may be made by shaping, pressing, presintering, and machining a mixture of the powders, followed by a final sintering; or mixed crystals of the carbides may first be formed, and then powdered and mixed with the powdered iron group metal, this mixture being then treated as above. Specification 528,565 is referred to. The Specification as open to inspection under Sect. 91 refers also to carbides of tantalum, niobium, vanadium, molybdenum, and chromium as constituents of the alloys, and also to lower and higher ranges of titanium carbide. This subject-matter does not appear in the Specification as accepted.,
Patent GB-129131-A (GB)
Title: Improvements in Handles and Shanks therefor.
IPC: F16B35/00
Filed: 1918-07-13
Abstract: 129,131. Hard, M. W., and Copeman Development Co. July 13, 1918. Bolts. - A handle for attachment to a screwed shank for grease-cups &c. is made from a sheetmetal blank folded to V-shape, cupped at the central portion and provided with a hole a to fit on to a flat sided extension b of the shank. The cupped portion is pressed against the shank, the threads of which are embedded in the metal of the handle.
Patent GB-1160308-A (GB)
Title: Improvements in or related to Heat Sensitive Paints
Inventor: CHRISTIE IAN ROBERT ARTHUR
IPC: G01K11/06
Filed: 1967-03-13
Abstract: 1,160,308. Temperature indicators. G. V. PLANER Ltd. May 6, 1968 [March 13, 1967], No.11585/67. Heading G1D. A temperature indicating paint comprises a melt sensitive component and carbon powder, the paint undergoing a change in appearance at the melting point of the component as a result of masking of its colour by the carbon powder when it melts. The melt sensitive component may be zinc stearate, palmitic acid, stearic acid or azclaic acid and the carbon powder is preferably in the form of lamp black or activated or animal charcoal and these two components are dispersed in a suspension medium which may be alcohol, water, carbon tetrachloride or petroleum spirit with a resin binder of silicone epoxide or phenolic types. An insoluble pigment e.g. chrome green or a soluble dye e.g. erthrosine may be incorporated in the paint to give it an identifying colour prior to reaching the melting point, and if desired after application of the paint an overlying transparent resin layer e.g. of silicone resin may be applied to protect the paint layer.
Patent GB-666514-A (GB)
Title: Improved means for keeping the surface of molten glass or enamel clean
IPC: C03B7/01
Filed: 1949-05-02
Abstract: 666,514. Glass manufacture. WIENER RADIOWERKE AKT.-GES. May 2, 1949 [June 29, 1948], No. 11619/49. Class 56 In an arrangement for withdrawing molten glass or enamel from a container a cooled metal tube of small cross-section in proportion to the size of the withdrawal area is adapted to keep the surface of the molten material clean in the withdrawal area when partly immersed below the surface level of the molten mass, means being provided to cause a flow of cooling fluid through the metal tube so as to form a protective layer of solidified glass on the surface of the tube. Thus an iron tube may be bent into a ring, provided with an inlet and outlet through which water flows, and arranged so that it projects partially out from the glass surface with the axis of the ring perpendicular to the glass surface. The tube should not be dipped too deeply into the glass and because of the variation in the level of the glass is preferably adjustable in height or made to float. The tube is preferably removable from the glass so as to prevent waste of heat when operations are suspended. The tube may be continued upwards by a screen in the nature of a withdrawal pipe which keeps away furnace gases.
Patent GB-431223-A (GB)
Title: Improvements in or relating to mechanical safety razors
IPC: B26B21/38
Filed: 1934-04-18
Abstract: 431,223. Safety razors. BACH, E., and KLEIN, A., 26A, Aussere Rosenbergstrasse, Heilbronn-on-Neckar, Germany.- (Assignees of Hartmann, I. ; 18, Feuerbacherweg, Stuttgart, Germany) April 18, 1934, No. 11655. Convention date, May 4, 1933. [Class 30] The blade of a mechanical razor is moved in such a way that every part has a similar circular motion, while the edges are always parallel to the long axis of the razor head. A spindle 4 rotated by an electric or spring motor in the handle 2, carries an eccentric weight 5. The blade 6 is clamped between a back plate 7 and the head 17 by pins 8 which snap into a spring 9, or by the known screw connection, or by means of threads 12, Fig. 3, on a revoluble sleeve 10 engaging notches in the pins. The Specification as open to inspection under Sect. 91 comprises also the statement that elliptical or like vibrations may be imparted to the blade. This subject-matter does not appear in the Specification as accepted.
Patent GB-1510599-A (GB)
Title: Method for preparing a controlled pore volume alumina with polycarboxylic acid
IPC: C01F7/141
Filed: 1976-03-23
Abstract: 1510599 Porous Al 2 O 3  catalyst supports NALCO CHEMICAL CO 23 March 1976 [10 Nov 1975] 11671/76 Heading C1A [Also in Division B1] Porous Al 2 O 3  catalyst supports are prepared by precipitating an aluminium hydroxide gel in the presence of 0 1 to 15% by wt. based on the dry Al 2 O 3  weight prepared of a water soluble aliphatic polycarboxylic acid containing from 4-22 C atoms, drying and calcining the gel. The supports are characterized in that (a) N 2  desorption measurements indicate less than 10% of the total pores determined by this method are greater than 100  in diameter (b) between 10 and 50% of the total pore volume determined by N 2  adsorption measurements is composed of pores greater than 100  in diameter and (c) less than 10% of the total number of pores as determined by N 2  desorption and Hg penetration porisometry methods are greater than 100  in diameter. Preferred acids are citric and nitrilotriacetic acid. The acid may be added during the precipitation step in the form of a salt of either Co or Ni.
Patent GB-1221287-A (GB)
Title: Improvements in and relating to piston assemblies
IPC: F16J9/00
Filed: 1969-03-05
Abstract: 1,221,287. Pistons; piston rings. SEALED POWER CORP. 5 March, 1969 [14 March, 1968], No. 11742/69. Heading F2T. A piston and ring assembly comprises a split L-section headland ring 40 which is housed in a groove 42 adjacent the top surface 52 of the piston 20 and has a free gap 82, Fig. 3, so dimensioned in relation to the working gap that when the assembly is installed in its associate cylinder bore 22 the ring is virtually free from torsional stress tending to twist it in the groove 42. The ring has a free gap of 0À125 inch or less and a working gap between zero and 0.015 inch. The axial leg 80 of the ring is disposed outwardly of a reduced diameter surface 72 of the piston. The ring may be urged outwardly by a spring 130 and its cylinder-engaging face (106, Fig. 7) may be radiused and may be coated with chromium (112). In the embodiment shown in Fig. 6, a compression ring 44 housed in a groove 46 is disposed between the headland ring 40 and an oil scraper ring 48 housed in a groove 50.
Patent GB-739985-A (GB)
Title: Improvements in or relating to injector nozzle assemblies
IPC: F04F5/14
Filed: 1954-04-23
Abstract: 739,985. Nozzles. SCHWANK, G. April 23, 1954 [April 24, 1953], No. 11824/54. Class 69 (3). A nozzle 4 connected to a housing 3 has an outlet 5 controlled by a needle valve 7 which is guided in a plate 9 and in a bore 12. The valve is urged rearwardly by a spring 16 and is moved towards the nozzle outlet by a screw 13 with a part 14 which engages the rear end of the valve. Fluid is supplied through a passage 1 and flows to the outlet via perforations 10 in the plate 9.
Patent GB-179068-A (GB)
Title: Improvements in feed water heaters for locomotives and other steam engines operatingwith steam blast
IPC: F22D1/42
Filed: 1921-04-25
Abstract: 179,068. Meister, A. April 25, 1921. Feed-water, heating.-A water container traversed by tubes b is fitted in the smoke-box of a locomotive or like boiler. A ring of jets c is secured to the upper end of the blast-pipe so as to register with the tubes and thus induce a flow of furnace gases through them. Live steam may be supplied through an annular header g and smaller concentric jets f. In a modification the ends of the tubes b are extended downward to embrace the nozzles c, and in a further modification the nozzles c are extended through the tubes b to extensions shaped to give an ejector effect.
Patent GB-931239-A (GB)
Title: Vending apparatus
IPC: G07F11/38
Filed: 1962-03-29
Abstract: 931,239. Coin-freed vending apparatus. VENDO CO. March 29, 1962 [April 7, 1961], No. 12029/62. Class 27. A machine for vending articles, such as cartons 232, Fig. 4, of soft drinks, from individual compartments 26, has coin-freed lock elements 86 which engage the compartment doors 74a at the edge remote from their hinges 72; the initial opening movement of a door swings the lock elements aside and they swing back into initial position to block full closing of the door in order to indicate to a customer that the compartment is empty. The lock elements 86, one at the top and one at the bottom of each door, are fixed on rotatable hinge pins 72, Figs. 3 and 4, on which the doors are rotatable and the pins also carry spreaders 96 which act on plates 94b. Opening of one door shifts all the plates 94b for one horizontal row of compartments and the end plate 94b, which abuts on a plate 120 secured to a common bar 116, moves the bar so that notches 108 in it are out of register with the noses 106 of the spreaders and the other doors in the row cannot be opened. Electrical interlock means between the horizontal rows of compartments ensure that only one plate 120 of a horizontal row is shiftable. An inserted coin closes a switch which supplies current to all the switches 188, Fig. 3, for the horizontal rows and when the plate 120 in the selected horizontal row is moved by opening a door, a tab 192 on it allows the switch 188 for that row to close and energize a solenoid 148, Figs. 4 and 6. As the solenoid armature 146 retracts, a pin 142 is raised and by engaging a projection raises a blocking plate 128 which opens a switch 182 and breaks the circuit to the solenoid. The ear 162 of a latch 158 has, however, moved behind a shoulder 164 on the plate and holds it in raised position. As the pin 142 falls again, it is clear of a projection 196 on the plate 120 and the latter can move to the right so that the door can be fully opened. The plate 120 contacts an ear 178 on the latch 158 and releases the ear 162 so that the plate 128 can fall again, a projection 194, Fig. 3, on the plate 128 riding on a member 124 on the plate 120. As the door is closed and the plate 120 returned to the left, the projection 194 again falls into the path of the member 124 and prevents a door which has been returned to the partly-closed position, resting on the lock element 86, from being re-opened. If a solenoid jams in the retracted position, the projection 196 on the plate 120 engages the raised pin 142 and is prevented from moving fully.
Patent GB-499855-A (GB)
Title: Improvements in or relating to the manufacture of hydraulic cement
IPC: C01F7/02
Filed: 1937-04-27
Abstract: Cement clinker is made by sintering with a calcium compound such as limestone, the insoluble residue left after leaching out sodium aluminate from a comminuted sinter produced by burning a compound of silica and alumina, e.g. kaolin, with calcium and sodium compounds, e.g. limestone and soda ash, and, if desired, a further aluminium compound, e.g. sodium aluminate.  The materials may be ground more finely before the first sintering step than before the subsequent leaching.  The leaching may be incomplete to leave some sodium aluminate in the insoluble residue, if a cement with a high alumina content is required.  In both sintering steps the materials may be burnt dry, moist, or as a slurry.  The insoluble residue from the first sintering may be treated with calcium chloride as described in U.S.A. Specification 1,964,685 to ensure removal of sodium.
Patent GB-643923-A (GB)
Title: Improvements in or relating to receptacle filler and capper
IPC: B67C7/00
Filed: 1948-05-03
Abstract: 643,923. Bottling. CHERRY-BURRELL CORPORATION. May 3, 1948, No. 12077. Convention date, Oct. 21, 1947. [Class 125(ii)] Relates to a combined filler and capper for bottles, e.g. milk-bottles. A rectangular support 17 carries four bottles, two each end, accurately positioned by adjustable prongs 44, 45. The support is intermittently swung, manually, through about 180 degrees about a vertical shaft 5 and after being swung is raised and lowered along that shaft by the manual actuation of cams 31 acting on the base 26 of a sleeve 16 which carries the support 17. On raising the sleeve and support, lugs 28 projecting from the sleeve coact, alternately, with stationary guide lugs 41 thereby ensuring that the support has been swung through the correct angle. When the support is in the raised position the two rear bottles register with filling nozzles 65 projecting from the reservoir 4 whilst the two front bottles are located at positions exactly below those occupied by a sealer 15 at the ends of its swinging movement about the shaft 5. The arc of swing of the sealer is defined by lugs 54 projecting therefrom and straddling the stationary arm 9. The initial position of the support 17 and sleeve 16 along the shaft may be adjusted by screw mechanism to deal with bottles of different heights.
Patent GB-527892-A (GB)
Title: Improvements in arrangements for neutralising distortion in cathode ray tubes
IPC: H01J29/56
Filed: 1939-04-22
Abstract: 527,892. Cathode-ray tubes. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. April 22, 1939, No. 12192. Convention date, April 25, 1938. [Class 39 (i)] In a cathode-ray tube, trapezoidal distortion is neutralized by arranging magnetic poles adjacent the surface on which the beam impacts and remote from the point of deflection. Magnetic poles 12 ... 17 are placed adjacent a fluorescent screen 10 and remote from the deflecting plates 7 and 8, 9 being carried on a metal shield 11 which also serves as a magnet yoke. Poles 15 and 16 may be omitted, and, to exclude forces acting centrally on sides AD and BC, the poles 14 and 17 may be displaced slightly towards the screen. The distance apart of the poles 12 and 13 should preferably exceed that of the poles 12 and 17 so that the base AB may not be curved.
Patent GB-367631-A (GB)
Title: Improvements in stone-breaking and other crushing machines
IPC: B02C1/10
Filed: 1931-04-24
Abstract: 367,631. Crushers with vibrating jaws. MARSDEN, Ltd., H. R. and TAYLOR, N., Soho Foundry, Meadow Road, Leeds. April 24, 1931, No. 12216. [Class 59.] The fixed jaw or jaws a, b of a stone - crushing machine are secured in the body of the machine by cotters f which pass through the side frames. The lower end of the jaws contact with a fixed or removable abutment c.
Patent GB-663058-A (GB)
Title: A loose-leaf binding device
IPC: B42F13/24
Filed: 1949-05-07
Abstract: 663,058. Loose-leaf binders. PEDANTE, R., and TORRICELLA, C. May 7, 1949, No. 12229/49. [A Specification was laid open to inspection under Sect. 91 of the Acts, Nov. 19, 1949.] Class 146 (i). In a loose-leaf binding device comprising arch like members pivoted so as to close up to or move away from fixed posts to allow removal or insertion of papers, the arch like members are actuated by a turret member turnable about its axis and provided with a helicoidal guide or groove engaged by an extension of the movable members. Fixed posts 2 are secured to a base plate 1 and arched posts 4, 5, joined by a V-shaped piece 6 are pivoted to the plate 1 by lugs 9 cut out therefrom, the V piece 6 engaging the helicoidal groove 14 on a turret 12 rotatably mounted on the plate 1 by a pivot pin 13. A single groove 14 may be provided, as shown, the turret being rotated in reverse directions to open and close the device, or alternatively grooves joined top and bottom and having a contrary sense may be provided. A projecting thread may replace the groove 14, the thread engaging a slot in the V- piece 6. A number of alternative connections for the turret to the plate 1 are shown and described.
Patent GB-383187-A (GB)
Title: Fountain pen
IPC: F04F1/06
Filed: 1932-04-28
Abstract: 383,187. Fountain pens. T. O. H. P., AKT.-GES., 7, Kaufhausgasse. Basle, Switzerland. April 28, 1932, No. 12284. Convention date, April 29, 1931. [Class 146 (iii).] In a fountain pen of the kind in which the nib is housed in a sleeve provided with a flap cover, the cover is movably or pivotally attached to a member, such as a rod, which is separate from the sleeve and is brought into engagement with the pen body during its reciprocation in the sleeve so that the cover is caused to fulcrum on the edge of the sleeve in order that the cover and sleeve can engage without interruption. The pen body 2 is provided with a shoulder 11 adapted to engage with a pair of stops 9, 10 or the like on a rod 6 which is pivoted at its outer end to a projection 5 on the underside of the cover 4. The rod 6 can enter a groove 8 formed in the wall of the sleeve 3, the lower ends of the groove and of the rod being bevelled to facilitate disengagement. The upper side of the projection 11 and the underside of the projection 10 are also bevelled, and the stop 9 projects farther than the stop 10. In the closed position, the end of the rod 6 is out of the groove 8 and, on movement of the body 2 to writing position, the stop 10 is engaged by the projection 11. This causes a rigid or resilient extension 12 of the projection 5 to engage the edge 13 of the sleeve 2 so that as the movement of the rod continues, the cover 4 is opened. When the cover is fully open, the end of the rod 6 reaches the groove 8, and the bevelled engaging faces of the stop 10 and projection 11 force the rod into the groove and permit the body 2 to continue its movement alone. In the return movement the projection 11 engages the stop 9 and draws it inwardly until the parts are returned to their original positions. A ring 14, thin enough to permit the passage of the projection 11, may be provided for guiding the rod 6 and limiting its inward position. The body 2 is rotatably connected to an outer casing 1 by means of a projection on the casing engaging between a flange 15 and a screw plug 16. The outer casing is provided with a detachable cap enclosing the actuating knob 18 of a collapsable sac or pump self-filling mechanism. The feedbar, in addition to the usual external duct, is provided with an inner channel having an enlarged conical rear end, and communicating with the external duct beneath the nib.
Patent GB-435304-A (GB)
Title: Improvements in the manufacture of self-tapping screws
IPC: B21H3/02
Filed: 1935-04-24
Abstract: 435,304. Rolling screw - threads. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. April 24, 1935, No. 12367. Convention date, April 24, 1934. [Class 83 (iv)] A self-tapping screw 18 with longitudinal grooves 22 is formed by rolling a blank between a stationary die 15 with angular screw-thread forming grooves 21, and a co-operating reciprocating die 11, with corresponding angular grooves 20 and an insert 23 having transverse grooves 24 for forming the longitudinal grooves in the work.
Patent GB-647297-A (GB)
Title: Hydraulic presses
IPC: B30B9/28
Filed: 1948-05-05
Abstract: 647,297. Corrugating. ROBERTSHAW-FULTON CONTROLS CO. May 5, 1948, No. 12389. Convention date, July 2, 1947. [Class 83 (iv)] [Also in Group XXIX] Apparatus for forming bellows - type corrugated metallic walls comprises frame elements 23, 24, Fig. 1, by means of which pairs of forming plates 119 are rotatably and slidably mounted, means for rotating and locking the corresponding plates together, means for supporting and for sealing the open end of a tube to be corrugated before the plates 119 are locked, means operable by fluid pressure thereafter to bulge the tube, and automatic means, for collapsing the tube axially to corrugate it, operative only when bulge - forming pressure has been established. The pairs of plates 119 are each locked by a catch 289, Fig. 3, engaging a lug 292. Additionally, the end-plates 42, 43 are locked by a catch 297 which is engaged when upward movement of a slide 114 closes the plates 119 through slotted links 108, 109. Spacers 58, Fig. 7, held in position by spring- pressed balls 73 are forced., against the pressure of springs 126, between the plates 119 by eccentric rollers 39, 40, carried by a reset head 31, Fig. 1. In operation, depression of a pedal 172, Figs. 1, la, moves a valve 203 to " on " position and sets in motion the spacer reset head 31 and a sealing head unit 140. Movement of the unit 140 actuates means to supply fluid to the interior of an arbor 166 carrying the tube. The tube then engages a ram 132, Fig. 6, to press the open end of the tube into a sealing collar 164, Fig. la. Back pressure then builds up and causes the slide 114 to close the plates 119. Further build-up of pressure admits fluid to a booster cylinder 234 which supplies fluid through the arbor 166 to bulge the tube. When the correct bulging pressure has been reached, a rod 93, Fig. 6, is moved forward, first, to cause a cam 92 to turn rods 74, 75 outwardly and remove the spacers 58 and then to advance the ram 132 to form the corrugations. Further build-up of pressure actuates valves to release the bulging-pressure and open the plates 119: The sealing head 140 is then withdrawn and the reset head 31 and the booster piston are returned. With the pedal 172 still depressed, the cycle continues. Counter-movement of the pedal 172 at any time reverses the machine. The ram 132 may be adapted with a sealing member if a tube is open at both ends. The finished tube is removed manually or mechanically. The hydraulic circuits are fully described in the Specification (see Group XXIX). Specification 508,630 is referred to.