baber/WOPTO huggingface dataset:
Patent GB-465854-A (GB)
Title: Improvements relating to furnaces
IPC: F23H9/02
Filed: 1936-07-06
Abstract: 465,854. Boiler &c. furnaces. STREICHENBERGER SOC. ANON. July 6, 1936, No. 18767. Convention date, July 6, 1935. [Class 51 (i)] A furnace for finely divided solid fuel comprises a rotary grate 4 having a centre conical part and an outer inverted trunco-conical part, a fuel hopper 1, a gravity feed tube 3, a plurality of fixed clinker bars 22 having their extremities located so as to stir the fuel bed 21 at different radial positions and fixed ash discharge baffles 42 co-operating with the outer portion of the grate. The furnace is intended to operate with a comparatively thin bed of fuel. The grate, of which the middle part 5 is formed by annular firebars 8 while the edge portion 6 is imperforate, is rotated by a motor 41 which also drives an air supply fan 13. Primary air is fed to a chamber 9 beneath the grate and secondary air through ducts 14 to a preheating chamber 17, formed between the conical bottom of the hopper 1 and a ribbed wall 18 substantially parallel thereto. The preheated air enters the combustion chamber through an annular outlet 20 around the feed tube. Air is also supplied through a pipe 32 to the top of the fuel hopper to prevent the emission of fumes. The clinker. bars 22 are formed with passages 23 and 24 and may be air cooled, in which case the heated air is discharged through outlets 25 as secondary air or, alternatively where the furnace serves to heat water, the bars may be water cooled and connected into the circulation system. The ash discharging baffles 42 feed the ash from the edge of the grate into an ashpit comprising two removable parts 50 of arcuate form. The outlet flue 28 of the furnace may be connected to a boiler.
Patent GB-1402956-A (GB)
Title: Stripping copy sheets from a xerogrpahic drum
IPC: G03G15/00
Filed: 1973-04-18
Abstract: 1402956 Sheet stripping device XEROX CORP 18 April 1973 [24 April 1972] 18768/73 Heading B8R Copy sheets adhering to a xerographic drum are stripped off by a pivoted, counterweighted stripper finger extending parallel to the drum. Preferably the finger is of hardened tool steel, and is mountd on a pin by way of a counterbored aperture, so that the finger is selfaligning. The counterweight may include a threaded member and a movable weight which can be adjusted along the member to vary the pressure of the hinges on the drum surface.
Patent GB-1058848-A (GB)
Title: Method for fluidtightly securing a metal part, such as a connection, to a glass member, and products obtained thereby
IPC: H01J5/26
Filed: 1964-05-06
Abstract: A metal part is heat sealed in fluid-tight relationship in the opening of a glass member, the metal part having a higher coefficient of expansion than the glass and having in its peripheral surface at least one circumferential groove adapted to engage a bead in the glass member, the opposite faces of the groove sloping in such a manner that were they to be extended towards the axis of the metal member they would meet that axis without meeting each other.  This is described with respect to sealing nozzles in syringe tubes. Satisfactory seals are obtained between soda-lime or boro-silicate glasses and such metals or metal alloys as nickel-chrome steels, and stainless steels. Preferably the metal part has a higher coefficient of expansion than the glass.
Patent GB-1172036-A (GB)
Title: Stirring of Liquids
Inventor: STAALBERG NILS GUSTAF
IPC: B01F9/10
Filed: 1967-04-24
Abstract: 1,172,036. Agitating liquids. LKB-PRODUKTER A.B. 24 April, 1967 [27 April, 1966], No. 18800/67. Heading B1C. [Also in Division G2] In a method of and apparatus for stirring liquids a vertical open container 1 is rotatable about a vertical axis and has means 2 in a minor portion of the container and integral therewith for inducing localized rotation of the liquid, the container being rotated alternately in opposite directions. As shown the stirring means 2 is constituted by triangular vanes, but it may consist of a polygonal lower portion of the container (see Figs. 2, 2a not shown). There may be driving lugs 3. For use in a photometer the vessel is suitably of glass or polystyrene with a rectangular lower portion, the volume being 3.6 c.c.
Patent GB-742303-A (GB)
Title: Improvements in two-stroke engines
Inventor: MEULIEN HENRI
IPC: F02D15/00
Filed: 1951-08-09
Abstract: 742,303. Regulating-; valves and valve-gear. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Aug. 9, 1951 [Aug. 19, 1950; March 14, 1951], No. 18816/51. Class 7(6) [Also in Group XXIX] Inlet ports 2 and exhaust ports 3, Fig. 1, of a two-stroke engine are spaced apart in the direction of the cylinder axis and are controlled respectively by ports 2<SP>1</SP> in, and the top edge 31 of, a sleeve 4 which is given a combined reciprocating and oscillating motion, the positions of the ends of the .stroke of the sleeve being adjustable. The sleeve is actuated by a crank-pin 6 carried by an arm 14 pivoted at 13 in a sleeve 8 rotated by the engine through gearing 10. The angular position of the arm 14 is adjusted by a servomotor comprising a piston 18 attached thereto by a..link 16 and sliding in a cylinder 19 integral with the sleeve 8, the piston position being controlled by a servo valve 20. Adjustment of the position of the arm 14 varies the radius of motion of the pin 6 about the axis 7-7 and hence varies the stroke of the sleeve 4 and the area of ports 2, 3 uncovered on each cycle. In a modification, Fig. 6, the sleeve crank-pin 6 is carried in a casing 29 pivoted about an axis 32, and adjustment of the angular position of the casing 29 by a, servomotor 33 causes axial adjustment of the sleeve 4 and adjustment of the port opening areas. The servomotor 33 may be controlled by a valve 67, Fig. 13, which is connected through a lost-motion spring 71 to the throttle valve operating means 72. A cam 65 actuated by an engine-driven centrifugal governor 61 limits the movement of the valve 67 in the direction to increase the port-opening areas at low speeds. The valve 67 is surrounded by a sleeve 70 connected to the servo-piston 33a and constituting a follow-up device.
Patent GB-423589-A (GB)
Title: Improvements in kilns for the manufacture of glassware and for other purposes
IPC: C03B29/02
Filed: 1933-07-04
Abstract: 423,589. Furnaces for heating glassware &c. HAILWOOD, E. A., Beacon House, Texas Street, Morley, near Leeds. July 4, 1933, No. 18896. [Class 51 (ii)] In a furnace, adapted particularly for burning colours on to glassware, of the kind comprising inner and outer relatively movable bell-like casings B, D to the space S between which heating gases are supplied, the inner bell is constructed of plates according to Specification 330,512, [Class 51 (ii)], and aligned observation apertures C, C<1> are provided in the two bells. A tube C<x> may extend inwardly from the aperture C<1> and both apertures may be fitted with heat-resisting glass windows. In the form shown, the bells B, D rest in sand seals F, F <1> on a fixed hearth A and means, such as a crane, is provided so that, on completion of the heating operation, the outer bell D may be raised, traversed to one side, and then lowered on to a second hearth A<x> on which a freshly-charged inner bell B has been placed.
Patent GB-146984-A (GB)
Title: Improvements in or relating to maps, plans, drawings and other like diagrams
IPC: G09B29/00
Filed: 1920-07-06
Abstract: 146,984. Lazard, M. May 18, 1916, [Convention date]. Maps, charts, and diagrams.-Maps, plans, and diagrams are printed with different details in register on opposite sides of the sheet for combination when viewed by transmitted light. For example, a street map is printed on one side of the sheet and a trace of the omnibus routes on the opposite side.
Patent GB-813300-A (GB)
Title: Feeding mechanism for sewing machines
IPC: D05B27/22
Filed: 1957-06-17
Abstract: 813,300. Sewing machines. SINGER MANUFACTURING CO. June 17, 1957 [July 9, 1956], No. 18956/57. Class 112 Feed-bar mechanism; actuating shuttles. To permit the variation of the timing of the feed-dog lift drive independently of that of the shuttle drive the feed lift shaft 22 and the shuttle shaft 13 are oscillated by separate, relatively adjustable means from the arm shaft 4. A pitman 10 connected to an angularly adjustable cam 12 on the arm shaft oscillates a bed shaft 8 having a fork arm 18 which in turn oscillates a crank arm 16 connected to the shuttle shaft 13. A second pitman 44 connected to another eccentric 46 also angularly adjustable on the arm shaft oscillates the crank 43 of a sleeve 40 secured to a cam 38 journalled on the bed shaft 8. The cam 38 co-operates with a fork 37 integral with the feed lift shaft 22 to oscillate the latter as the arm shaft revolves. The timing of the shuttle shaft can be varied by the adjustment of the eccentric 12 on the arm shaft 4, while that of the feed lift mechanism can be varied either by the adjustment of the eccentric 46 on the arm shaft or by the adjustment of the cam 38 relatively to the sleeve 40. A third pitman 25 co-operates with an arm shaft cam 28 to oscillate the feed advance shaft 19. Specification 747,462 is referred to.
Patent GB-380185-A (GB)
Title: Improvements in presses
IPC: B30B9/18
Filed: 1931-07-01
Abstract: 380,185. Presses for separating liquids from solids ; food for animals. JENSEN, C. A., 77, Chancery Lane, London.- (Anderson Co., V. D. ; 1935. West 96th Street, Cleveland, Ohio, U.S.A.) July 1, 1931, No. 19004. [Classes 5 (ii) and 46.] In presses for making cotton-seed cake &c. and for extracting oil, moisture, &c., in which the cake &c. is extruded. in the form of a thin tube of the like, means are provided for reforming and re-compressing the extruded material into a product having greater thickness, so that it is more suitable for feeding cattle &c. when broken up. In the screw press shown the main shaft 10 has at one end a spline connection 9 with a shaft 6 driven by gearing 7, and at the other end has a flanged sleeve 14 provided with radial and thrust bearings 15, 16. The barrel 12 consists of bars having their inner edges in close spaced relation. Screwed on the shaft are a feed worm 17, a tapered collar 18, separated compression worms 19, spacing collars 20, and a sleeve 21 extending through the choke member, which comprises radially adjustable jaws 22, 23. The discharge casting 13 is formed with a cylindrical opening 27 and an outwardly flaring part 28. Splined on a grooved and screwed sleeve 29 is a tubular member 31 having a rounded head 32 and adjustable along the sleeve 29 by a nut 35 which is connected to it by a two-part collar 39 fitting into grooves and surrounded by a band. Seeds entering the press through the shoot 11 are crushed and compressed, the oil passing outwards through the barrel and the remainder passing through the choke member in the form of a thin tubular cake. The hot cake is stopped by the head 32 and accumulates in the chamber 28 where it is re-compressed into a thicker cake, finally being broken up and dropping through the discharge opening in the casting 13. The thick cake is then cooled and passed through a breaker and screened, the fine material being afterwards ground into meal. Specification 280,843, [Class 46, Filtering &c.], is referred to.
Patent GB-119763-A (GB)
Title: Improvements in or relating to Cans for Sterilizing and Preserving Fruit and other Articles of Food and the like.
Inventor: THOMASSON ERNEST CHARLES
IPC: B65D45/28
Filed: 1917-12-24
Abstract: 119,763. Thomasson, E. C., and Thomasson, E. R. Dec. 24, 1917. Vacuum closures.-A sterilizing and preserving can has the inner portion of its top plate or ring a depressed to form an annular channel c which is situated below the level of the flat main portion of the top plate, and is bounded upon its inner side by an upstanding wall or rim d, and the lid f has a depending peripheral part g adapted to engage a packing-ring e within the channel c. The lid is held in position during the sterilizing process by a bow spring h having hooked ends h<1> to engage the beading a' on the can b.
Patent GB-351242-A (GB)
Title: Improvements in and relating to emulsions for the treatment of road surfaces and road making materials
IPC: C08L95/00
Filed: 1930-06-23
Abstract: Aqueous emulsions of refined coal-tar for use in making and surfacing roads are prepared by the use of soap and a seaweed jelly such as Carragheen moss in proportions, reckoned on the combined weight of the tar and water of 0,75-1,5 per cent and 0,125-0,25 per cent respectively.  The ingredients are forced by pumps at a temperature of 85-95 DEG  C. through a colloid mill having rotors of high-speed, for example a peripheral speed of 12500 feet per minute, and of small diameter, for example five p  inches, and clearances of six to twelve thousandths of an inch, preferably eight thousandths.  The soaps employed may be derived from fish oils or castor oil or mixtures of such soaps with rosin soaps, for example that derived from liquid rosin the byeproduct of cellulose manufacture.  The seaweed jelly is prepared by boiling Carragheen moss, for example, with water, straining, and employing sufficient of the extract, of determined composition, to gain the required proportion of jelly in the final product.  The proportions of tar and water in the emulsion are preferably 66 per cent and 33 per cent.  The final hydrogen ion concentration is preferably adjusted to pH8-pH9.  Specifications 193,693, 221,442, and 221,548, [all in Class 59, Grinding, crushing, &c.], are referred to.  The Provisional Specification refers, in addition to Carragheen moss, to Irish moss, Iceland moss, Japanese isinglass and Funori.
Patent GB-1471217-A (GB)
Title: Extrusion die
IPC: B23B51/04
Filed: 1974-05-01
Abstract: 1471217 Milling cutters GENERAL REFRACTORIES CO 1 May 1974 [2 May 1973] 19136/74 Heading B3K [Also in Divisions B1 B5 and C1] A ceramic catalyst support for an automotive pollution control device, or a heat exchanger, (see Divisions B1, C1 and F4), comprises an extruded dried and fired extrusion of circular periphery, having a plurality of parallel circular bars i.e. at least 100, or 195 or more bores per square inch, repeating in a pattern of bores hexagonally disposed and equally spaced axially around a central bore. The extrusion (see Divisions B4-B5) is effected from the Figs. 2 and 4 die, comprising a metal or plastics die plate 10, having a plurality of passages 18 for the ceramic and which, at its downstream end, is integrally formed with a plurality of spaced apart pins 20 defining the bores, and which are surrounded by a collar 12 defining the periphery of the extrusion. The pins 20 each overlap a portion of adjacent pairs of passages 18, and the ratio of the area 22 between the pins 20, to that of the passages 18, is between 0À65 to 1À0. The die plate 10 is preferably of cold rolled low carbon steel coated with electroless nickel to reduce corrosion and friction and the pins 20 are integrally formed in the plate 10 by milling the plate by the milling cutter 50, Figs. 8A and 8B, comprising an annular cutting head 52 having a pair of diametrically spaced radially extended cutting edges 56, each defined between an axially extending surface 60 and a helically extending surface having different inclinations 54, 58. The leading surface 54 makes an angle α, to the plane at right angles to the cutter axis, of 9 to 11 degrees and preferably 10 degrees. The surface 58 makes an angle B, to a plane parallel to the axis of the cutter of at least 55 degrees. As shown in Fig. 8B, the cutter comprises a radially thickened portion 62, of a length less than that of the pins being machined. The cutting portion of the cutter comprises steel hardened to a Rockwell hardness of 60 to 62.
Patent GB-446143-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B1/00
Filed: 1935-07-04
Abstract: 446,143. Centrifugal separators. SHARPLES SPECIALTY CO., 23rd Street, Philadelphia, U.S.A.-(Assignees of Ayres, A. U.) July 4, 1935, No. 19158. Convention date, July 21, 1934. [Class 23] A centrifugal separator which continuously discharges two separated liquids has a number of rings 20 arranged at right angles to the axis of the bowl 10. Each ring extends from a zone outside that of the outlet 24 for the lighter component, to a zone outside that of the outlet 25 for the heavy component. The mixture enters the bowl by the inlet 12 at the bottom and passes between radial vanes 16 so that it enters the body of the bowl without slip. A conical deflector 18 is fixed at the centre of these vanes, and they carry a top plate 17 which only permits the entering liquid to pass through the annular gap 19. This gap is between the inner and outer circumferences of the rings 20. Radial wings 21 support the rings 20 and carry springs 22 to hold them in the rotor. A screw 26 in the outlet 24 can be adjusted to vary the position of the inner surface of the liquid in the bowl, the inner end of the screw falling within the inner circumference of the rings 20. The apparatus can be used for the separation of cream from milk, or the concentration of rubber latex emulsions. Specification 36S,932, [Group I], is referred to.
Patent GB-485065-A (GB)
Title: Improvements in and relating to vehicle brakes
IPC: B61H11/06
Filed: 1937-07-10
Abstract: 485,065. Fluid - resistance brakes. RHEINMETALL - BORSIG AKT. - GES. WERK BORSIG BERLIN - TEGEL, and GEISSEN, C. July 10, 1937, No. 19190. Convention date, July 10, 1936. [Class 103 (i)] In a fluid-resistance brake for vehicles comprising a gear wheel pump which circulates liquid through throttled passages and which has a middle gear wheel coaxial with a wheel of the vehicle, the arrangement is such that relative rotation of the gear wheels and therefore operation of the pump only takes during place the application of the brake. As shown, the pump comprises a middle wheel 4 geared to outer wheels 5 mounted in a casing 3, a throttling device 8 being arranged between each delivery point 6 and suction point 7. The casing is anchored to the vehicle frame and the middle wheel 4 is freely mounted on the wheel axle 2 to which it is coupled by a friction clutch 9, 10 when the brake is to be applied. The middle wheel 4 may instead be rigidly secured to the frame and the casing be coupled to the axle when the brake is to be applied. In another arrangement, the middle wheel is mounted fast on the axle and the casing is normally free to rotate and a brake is applied to the casing to render the pump effective. Or the casing is mounted fast on the axle and a brake is applied to hold the middle wheel against rotation to render the pump effective.
Patent GB-1521177-A (GB)
Title: Retractory heat insulating compositions for use in the metallurgical industry
IPC: B22D7/10
Filed: 1977-05-10
Abstract: 1521177 Hot top slab FOSECO TRADING AG 10 May 1977 [10 May 1976] 19211/76 Heading D2B [Also in Division C3] A hot top lining slab is formed from a refractory heat-insulating composition which comprises:-(A) 2-15 wt. % fibrous organic material, (B) 1-10 wt. % organic binder, (C) 0 - 20 wt. % inorganic fibrous material, (D) 0-40 wt. % lightweight filler material, (E) and the balance to 100 wt. % of a refractory aggregate comprising a granular alumina and silica ash product having less than 20% free silica and a bulk density of 0.6-0.7 gm/cc. (A) may be repulped newsprint, freshly made paper pulp, mechanical pulp or chemical pulp. (B) may be one or more of phenol formaldehyde resin, urea formaldehyde resin, polyvinyl acetate, polyvinyl alcohol, a natural resin, starch and gum arabic. (C) may be calcium silicate fibre, aluminium silicate fibre, slag wool or rock wool. (D) may be fly ash floaters, pit solids or calcined rice husks. (E) may be a clinker from coal combustion.
Patent GB-381231-A (GB)
Title: Improvements in or relating to the manufacture of boxes from cardboard or like material
IPC: B65D5/4805
Filed: 1931-07-03
Abstract: 381,231. Cardboard &c. boxes. AUSTIN, E. L., 183, Wimbledon Park Road, Southfields, and IMPERIAL CHEMICAL INDUSTRIES, Ltd., Millbank, both in London. July 3, 1931, No. 19240. [Class 18.] A cardboard &c. box is made from a onepiece blank comprising a bottom portion d, wing portions a, b, f, g and a<1>, b<1>, f<1>, g<1>, and two end flaps e, h, the wing portions being folded on the lines 1 .. 4 and 1<1> .. 4<1> so as to form inclined side walls g, g<1>, top walls f, f<1>, and a double central partition b, b<1>. The portions a, a<1> rest on the bottom d and support the partition, the ends of which have notches m, m<1> with which notches c in the end flaps engage when they are closed; the closed ends h are inclined. Tuck-in end flaps k, k<1> may be provided on the sides and the sides and ends may be at right-angles to the top and bottom of the box.
Patent GB-428172-A (GB)
Title: Improvements in or relating to safety razor blades
IPC: B26B21/56
Filed: 1934-06-29
Abstract: 428,172. Safety-razor blades. JAGER, (nÚe HEINRICHS), E., 55, Neue Friedrichstrasse, Elberfeld, Wuppertal, Germany. June 29, 1934, No. 19308. [Class 30] Each cutting - edge is formed by an outer bevelground facet 3b, and an inner plane, or slightly hollow, ground facet 3<a>, of about one-half the thickness of the unreduced flexible centre part 3. The width of the reduced parts 3<a>, 3b is such that, during shaving, they can vibrate freely in the gap between the usual curved clamping- and guard-plates 1, 2.
Patent GB-1321012-A (GB)
Title: High-speed cutting blade and a method of the manufacture thereof
IPC: B23D65/00
Filed: 1971-06-08
Abstract: 1321012 Saw blade construction EISHIN KK 8 June 1971 [5 Dec 1970] 19380/71 Heading B5L [Also in Division B3] A high-speed saw blade is made by welding or brazing a hard sintered tip 5 of rectangular section to the sides of an L-shaped notch in each tooth of the blade so that a portion of the tip 5 projects beyond a side surface of the blade and subsequently removing the projecting portion by machining. The blade may be a band sawblade formed from 0À8% C tool steel. Each tip 5 has a Vickers hardness of 1300-1550 and comprises a ceramic containing aluminium oxide or silicon dioxide or an alloy containing 79% W, 6% TiC and TaC and 15% Co or 82% W, 10% TiC and TaC and 8% Co. The tip 5 is formed by pressing a powder to form a blank, cutting the blank to the desired configuration and finally sintering the blank.
Patent GB-1215237-A (GB)
Title: Process for depositing graphite on a substrate
Inventor: THOMPSON RAYMOND
IPC: C04B41/85
Filed: 1968-04-24
Abstract: 1,215,237. Graphite-rich layers. UNITED STATES BORAX & CHEMICAL CORP. 2 April, 1969 [24 April, 1968], No. 19473/68. Heading C1A. [Also in Division B2] A process for depositing a graphite-rich layer on to a substrate comprises feeding into a plasma flame particulate graphite which is admixed with particulate elemental boron or a boride of a metal such as titanium, zirconium, hafnium, niobium, chromium or nickel, and the plasma flame is directed on to the substrate. The preferred process is arc spraying, that is passing an ionizable gas between two electrodes, forming an electric discharge across the electrode, ionizing the gas to form a plasma and feeding into the plasma the graphite/boron mixture. For the best results the graphite is coated with the boron or boron compound and the mixture contains from 2% to 10% by weight of boron as elemental or combined boron.