baber/WOPTO huggingface dataset:
Patent GB-996427-A (GB)
Title: A machine for the manufacture of asbestos-cement pieces
IPC: B28B1/52
Filed: 1964-02-17
Abstract: 996,427. Moulding asbestos cement pieces. URALITA S.A. Feb. 17, 1964, No. 6459/64. Heading B5A. In a machine for the manufacture of asbestos cement pieces, e.g. flat or corrugated plates, a series of rectangular moulds 1 are superimposed between a top cover 2 a base 6 in abutting relation. The longitudinal side walls of the moulds 1 have extension pieces 40 which together with hinged doors 41 form chambers 8 and 9 at the ends of the superimposed moulds to which asbestos cement paste is supplied through openings 31 and 32. A cavity within each mould 1 is defined by a corrugated perforated plate 13 covered with a filter assembly, Fig. 3, comprising a wire gauze 14 and a synthetic fibre cloth 15, and a compressible rubber band 16 mounted around the periphery of the filter assembly which determines the thickness of the plates to be produced. Layers of asbestos cement paste are deposited on the filter assemblies by feeding the paste alternately from chamber 8 to 9 and 9 to 8 to form stratified pieces. As each layer is deposited compression is effected by lowering compression members 17 into contact with the formed layer, on rods 18, and pressing the members thereagainst by inflating pneumatic chambers 21. Within the chambers 8 and 9 the paste is agitated by hydraulicallyactuated rods 26 having shovels 30.
Patent GB-1244139-A (GB)
Title: Improved yarn handling device
Inventor: EAST MALCOLM JOHN
IPC: B65H51/16
Filed: 1968-06-24
Abstract: 1,244,139. Feeding yarns. IMPERIAL CHEMICAL INDUSTRIES Ltd. 24 June, 1968, No. 6463/71. Divided out of 1,243,195. Headings D1D and D1F. A yarn handling device comprises a yarn inlet tube 11 for conveying a yarn and entrained air and an air chamber for driving air which chamber ends in an outlet passageway 13 into which the inlet tube 11 extends, the end of the yarn inlet tube terminating within the outlet passageway being chamfered.
Patent GB-625189-A (GB)
Title: Improvements in or relating to the indication or measurement of humidity
IPC: G01N19/10
Filed: 1947-03-07
Abstract: 625,189. Hygrometers. JONES, E. March 7, 1947, No. 6498. Drawings to Specification. [Class 97 (iii)] [Also in Group XXXVIII] A humidity responsive unit comprises a piece of moisture absorbent material such as regenerated cellulose sheet which changes its volume with moisture content and has secured to it an electrical pick-off means responsive to change in dimensions, such as a resistance wire which changes its resistance with strain (see Group XXXVIII). The unit may be lightly stressed by a weight or spring in the direction of greatest dimensional change.
Patent GB-1185291-A (GB)
Title: A Four-Stroke Internal Combustion Engine
Inventor: RICHTER ANTONIN
IPC: F02B17/00
Filed: 1968-02-09
Abstract: 1,185,291. Four stroke supercharged engines. USTAV PRO VYZKUM MOTOROVYCH VOZIDEL. Feb. 9, 1968 [May 19, 1967, Oct.12, 1967], No.6503/68. Heading F1B. In a four stroke engine supplied with com bustible mixture through passage 22, air compressed in an annular pump space 6 is transferred through space 11 and ports 15 into the working cylinder as scavenging air at the end of the exhaust stroke and supercharging air at the end of the suction stroke. The air, supplied through intake passage 17 formed in the cylinder block and head, is controlled by a rotary valve formed by a passage of slots 9<SP>1</SP>, 9<SP>11</SP>, in the camshaft 2. The passage 9<SP>1</SP> controlling the supercharging air, is larger than that 9<SP>11</SP> controlling the scavenging air. In Fig. 3 the passage 16 in the camshaft 2 is offset whereby in one portion for the scavenging air supply it is in full register with port 10 whilst in the second position it registers only partly with port 10. The ports 14, 15 into and from space 11 are tangential in the same sense to produce rotation of the air in the cylinder in the same sense as that of the combustible mixture.
Patent GB-889173-A (GB)
Title: Improvements in or relating to popping kernels
Inventor: GREEN JULIUS
IPC: A23L1/18
Filed: 1959-02-25
Abstract: The corn is suspended in a stream of hot gas moving up a duct exactly as described in Specification 827,652 except that the upper part of the duct is of reduced diameter.  Reference has been directed by the Comptroller to Specification 827,652.
Patent GB-659501-A (GB)
Title: Improved process for producing levulose from vegetable matter containing inulin
IPC: C13K11/00
Filed: 1949-03-10
Abstract: Laevulose is obtained by hydrolyzing inulin obtained by extracting with water inulin-containing vegetable matter, e.g. chicory, dahlia bulbs, or sweet potatoes, which has been previously heated to at least 80 DEG  C., passing through the range 50-70 DEG  C. as rapidly as possible to destroy the inulase present, precipitating and removing the impurities by the addition of an alkaline substance such as milk of lime to produce a pH not greater than 11, and then crystallizing the inulin.  The vegetable matter, after drying and before extraction, is preferably softened in water at a temperature below that of solution of the inulin. During extraction, which is preferably effected by counter - current diffusion with water at 75-85 DEG  C. vegetable acids may be precipitated, and then, while maintaining the temperature, the milk of lime is added.  The liquid, before or after filtration, is saturated with carbonic acid or other acid to precipitate the lime, and the inulin is crystallized out and hydrolysed in the normal way.ALSO:Laevulose is obtained by hydrolyzing inulin obtained by extracting with water inulin-containing vegetable matter, e.g. chicory, dahlia bulbs, or sweet potatoes, which has been previously heated to at least 80 DEG C., passing through the range 50-70 DEG C. as rapidly as possible to destroy the inulase present, precipitating and removing the impurities by the addition of an alkaline substance such as milk of lime to produce a pH not greater than 11, and then crystallizing the inulin.  The vegetable matter, after drying and before extraction, is preferably softened in water at a temperature below that of solution of the inulin.  During extraction, which is preferably effected by counter-current diffusion with water at 75-80 DEG C vegetable acids may be precipitated, and then, while maintaining the temperature, the milk of lime is added.  The liquid, before or after filtration, is saturated with carbonic acid or other acid to precipitate the lime, and the inulin is crystallized out and hydrolyzed in the normal way.
Patent GB-732158-A (GB)
Title: Block-carrying device for sheet or web fed rotary printing machines
IPC: B41F27/14
Filed: 1953-03-10
Abstract: 732,158. Printing-surfaces. BOBST, J. O. March 10, 1953 [March 29, 1952], No. 6570/53. Class 100 (2). A block-carrying device for a rotary printing machine comprises a cylinder having a longitudinal channel which permits the fitting on and removing from the cylinder of a part of a rigid sleeve extending over more than half of the circumference, means for removably fastening the part of the sleeve to the cylinder, a complementary part completing the cylinder and the sleeve, means for removably fastening the complementary part, and means independent of the cylinder for fastening the blocks to the sleeve. The shell 8, Figs. 4 and 6, is manually placed in position round the cylinder and locked there by a catch 20 urged by springs into a groove 26, and by catches 38 actuated by an eccentric 28 on a shaft 29 having a square end for a spanner. 'A longitudinal recess 7 in the cylinder 1, which is necessary to allow the actual putting on of the shell, is then filled by a composite member comprising a shell portion 43 screwed to a cylinder portion 42, this member being locked in position by a catch 52 operated by rotating a shaft 47 by means of a key. A key 56 and keyway 57 ensures correct alignment.
Patent GB-154634-A (GB)
Title: Improvements in metallic packing for piston rods and the like
IPC: F16J15/28
Filed: 1918-04-18
Abstract: 154,634. Beldam Packing & Rubber Co., and Robinson, G. H. April 18, 1918. Packing, metallic.- In packing of the type in which a ring is divided by approximately tangential cuts into wedge portions and crescent portions, the wearing surface of a wedge e is increased by a plate f, either formed in one with the wedge or secured to it. The plate f is bored out to a greater diameter than the rod, in order that its wearing surface may come into action gradually as the surface of the wedge wears away. Projections i, k at the ends of the plate bear against the rod in order to guide the wedge.
Patent GB-263351-A (GB)
Title: Box
IPC: B65D5/44
Filed: 1926-03-09
Abstract: 263,351. Walker, T. R. March 9, 1926. Boxes mode by bending sheet material; corner joints; lids.-A three-piece box consists of a body portion 1 and two end pieces 3 which are placed within the bent-up body and abut loosely against shoulders 6 on the body, the shoulders being produced by folding the longitudinal margins 5 of the body portion inwards over bendable reinforcing strips 4. The strips 4 protrude at the free edge of the lid section 12, the projecting portions 7 being inserted into the sockets formed by the folded margins 5 at the edge of the wall section 9.
Patent GB-180748-A (GB)
Title: Improvements in heating plants for houses and buildings in general
IPC: F24D5/02
Filed: 1921-02-28
Abstract: 180,748. Marks, E. C. R., (Scapin, G.). Feb. 28, 1921. Air, heating; ventilating pipes, arrangements of.-In apparatus for domestic and like heating by means of hot air a pipe such as l, m leads to each room direct from the air-heating stove and has a downturned outlet situated near the ceiling. The air to be heated is obtained from outside.
Patent GB-608999-A (GB)
Title: A device for holding and manipulating floor polishing, washing and like cloths
IPC: A47L13/46
Filed: 1946-03-04
Abstract: 608,999. Cloths stretched over backings. LANE, W. J. March 4, 1946, No. 6691. [Class 19] A cloth-holding mechanism comprises a pair of clamps a, a<SP>1</SP> each consisting of a pair of hinged jaws b, bl with a hinged member c between the clamps serving as a backing for the cloth, and a handle d for moving the device over the floor or other surface. The jaws may be plates or slabs of wood or metal and are hinged together at g, the inside jaw of each clamp being linked to the outside jaw of the other clamp by metal bars h, h<SP>1</SP> which are duplicated on the far side of the device. The backing member c consists of two plates or slabs which may be of metal hinged to each other as at e on a cross strip e<SP>1</SP> secured to the under side of a thrust plate d<SP>1</SP>. The opposite ends of the member c are hinged to the inside jaws of the clamps. In use the device is placed on the polishing cloth f spread out on the floor and on pressing the handle the jaws are brought together by the action of the linkage and the member c which operates as a toggle so that the cloth is gripped by the jaws and drawn taut over the extended backing member. The handle d may be mounted in a swivel socket on the plate d<SP>1</SP> and locking means may be provided for retaining the device in the closed position. According to the Provisional Specification the closed jaws may be locked in position by the thrust plate between the clamps.
Patent GB-1099226-A (GB)
Title: Preformed absorbent product containing fibrous cellulosic material
Inventor: STEIGER FRED HAROLD
IPC: A61F13/20
Filed: 1965-02-17
Abstract: A preformed absorbent product for absorbing body fluids, e.g a dental packing, dressing, tampon or sanitary napkin, comprises as the fluid-adsorbing and retaining means a preformed body of non-woven water-insoluble cellulosic fibres movable with respect to each other to vary the size of the interstices between fibres, the cellulosic fibres having been cross-linked in the wet state, i.e. in the swollen state, so that the preformed body of fibres is resistant to deformation by externally applied pressures.  The cellulosic fibres may be cotton, wood pulp or regenerated cellulose fibres including crimped viscose rayon fibres and the cross-linking agent may be formaldehyde, dichloroacetic acid, 1,3-dichloropropanol-2, a diepoxide, e.g. butadiene diepoxide, N-methyolacrylamide or divinyl sulphone.  The cross-linking may be effected in the presence of an alkaline catalyst, e.g. sodium hydroxide, or an acid catalyst, e.g. sulphuric or hydrochloric acid.  The absorbent articles may comprise wet cross-linked fibres alone or in admixture with other natural or synthetic fibres, e.g. cotton, flax, jute, viscose rayon, cellulose acetate, nylon, acrylic or polyester fibres.ALSO:A preformed absorbent product for absorbing body fluids, e.g a dental packing, dressing, tampon or sanitary napkin, comprises as the fluid-absorbing and retaining means a preformed body of non-woven water-insoluble cellulosic fibres movable with respect to each other to vary the size of the interstices between fibres, the cellulosic fibres having been cross-linked in the wet state, i.e. in the swollen state, so that the preformed body of fibres is resistant to deformation by externally applied pressures.  The cellulosic fibres may be cotton, wood pulp or regenerated cellulose fibres including crimped viscose rayon fibres and the cross-linking agent may be formaldehyde, dichloroacetic acid, 1,3-dichloropropanol-2, a diepoxide, e.g. butadiene diepoxide, N-methyolacrylamide or divinyl sulphone.  The cross-linking may be effected in the presence of an alkaline catalyst, e.g. sodium hydroxide, or an acid catalyst, e.g. sulphuric or hydrochloric acid. The absorbent articles may comprise wet cross-linked fibres alone or in admixture with other natural or synthetic fibres, e.g. cotton, flax, jute, viscose rayon, cellulose acetate, nylon, acrylic or polyester fibres.
Patent GB-1576193-A (GB)
Title: Process and a rail grinding vehicle for smoothing out irregularities in the surface of railheads
IPC: E01B31/17
Filed: 1978-02-21
Abstract: In order to increase the grinding performance and the smoothing effect, the grinding tools (31) are provided, in addition to the continuous grinding motion caused by the progressive advancement of work, with a further grinding motion which superposes the first-mentioned grinding motion. This additional grinding motion is carried out in alternating, mutually opposite directions by a drive device (44). The latter comprises a double-armed lever (45), which can rotate about a shaft (46), and a single-armed lever (47) which can pivot about a pin (48). The two levers (45, 47) are connected to each other in an articulated manner via a rigid connecting strap (49). The levers (45, 47) can be set in pivoting motion via an eccentric shaft (50) and a crank mechanism (51). Said pivoting motion can be transmitted, via rods (52), onto the tool holder (27) accommodating the grinding tools (31). <IMAGE>
Patent GB-277868-A (GB)
Title: Improved apparatus for use in a game of skill
IPC: A63D15/00
Filed: 1927-03-12
Abstract: 277,868. Phillips, G. F. March 12, 1927. Table games.-An apparatus for use in a game of skill comprises a board or like base having a cavity or cavities or other means on its face for arresting or locating a gravity-actuated ball, a fulcrum supporting-leg adapted to be detachably and selectively attached to the underside of the base and having a rounded or equivalent extremity for resting upon a fixture such as a table, and handles or like manipulative parts at one part or extremity of the base whereby the apparatus is adapted to be universally manipulated on the fixture by a player to obtain any desired gravitation of a ball in play. In the Figure is shown the upper surface of one form of board provided with a starting groove i for the balls, cavities h to be filled one by one bv the balls, pockets f for lost balls, side rails g, holes d, e on the underside of the board to receive, selectively, a rounded supporting-leg c, and a pair of manipulating handles b. The supporting leg may have lateral sliding engagement with clips on the underside of the board. The cavities h may be replaced by one large central cavity. In a further modification, the cavity may be constituted by a circular ridge provided with lateral openings for the passage of the balls. The board may be of circular, oval, or heart-shaped formation.
Patent GB-497085-A (GB)
Title: Method and apparatus for vaporizing heavy oils
IPC: C10G7/00
Filed: 1937-03-09
Abstract: 497,085. Vaporizers. PETIT, M. March 9, 1937, Nos. 6925 and 6926. Void. Convention dates, March 11, 1936 and Jan. 12, 1937. [Class 7 (iii)] A vaporizer for heavy fuel comprises tubes 1 supplied with fuel from a chamber 7 and heated by the gases passing through the exhaust pipe 5, the vaporized fuel flowing into an expansion chamber 3 in which drops of liquid fuel are separated, and the fuel being further gasefied in tubes 2 leading from the chamber 3 to a conduit 9 connected to the induction pipe 10. A pair of throttle valves 14, 15 are provided, whereby the vaporizer may be cut out of action when light fuel supplied by a carburetter 19 is in use. When one of the throttle valves is closed, air is admitted to the chamber 16 between them. An automatic valve 21 supplies air in accordance with the suction in the induction pipe. Universal joints 11, 12 may be provided in the conduit 9. The vaporizer may be cleaned periodically by flushing with air, and to facilitate this there may be two vaporizers, one of which is cleaned while the other is in use.
Patent GB-866647-A (GB)
Title: Improvements in or relating to the preparation of anorganic bone
Inventor: RAPKIN EDWARD
IPC: C11B1/14
Filed: 1959-02-27
Abstract: In preparing anorganic bone, the inorganic matrix of bone, suitable for bone grafting operations, the bone is heated in a liquid, e.g. water, to a temperature of 80-100 DEG C. before the organic matrix of the bone is extracted.  Two or more successive portions of the liquid may be used.  The bone may be dried after heating in the liquid.  The organic matrix is extracted by a solvent comprising ethylenediamine; before such extraction, an extraction with a fat solvent may be made. Examples are of the treatment of sawn wedges of bovine femur shaft, sawn pieces of bovine upper arm bone heads, sawn pieces of ovine femurs with one head removed, and sawn pieces of porcine femurs.
Patent GB-579212-A (GB)
Title: Improvements in the manufacture of dart or other boards for the penetration thereof by pointed articles
IPC: F41J3/00
Filed: 1944-04-17
Abstract: 579,212. Dart boards. BOTHNER, M. E. April 17, 1944, No. 7074. Convention date, April 28, 1943. [Class 132 (iii)] Relates to the manufacture of dart and like boards of the kind wherein a clamping member holds in a state of compression a bundle of fibrous members whose ends constitute the front and rear surfaces of the board. The fibrous bundles, which may be dried grass, are first pressed into cylindrical shape between dies 3, 4 until the ends of spaced semi-circular or polygonal clamping bands 5 touch, whereupon the latter are joined by welding through apertures along the joint. Alternatively, the welding may be done after removal from the press by slipping clamping-rings provided with handles over the ends of the dies. The bundle is then gripped by clamps 12 in the drum-like chuck member 11 of a parting-off machine, Fig. 3, the projecting end of the bundle being gripped by set-screws 14 in a shallow chuck member 13 driven at the same speed as the member 11. A parting-off tool 24, Fig. 5, is fed by a hand-wheel 28 and screwthreaded spindle in a direction at right angles to the turning axis of the bundle into successive spaces between the clamping bands. The tool 24 has two arms provided with rounded serrations 30 which have ground cutting edges. The scoring-areas of the board are defined by arranging strips of thin sheet metal in a jig and forming them edgewise into the face of the board. A wire suspension dye is threaded under the band 5, and the back of the board may be treated with a bituminous composition.
Patent GB-525971-A (GB)
Title: Improvements in apparatus for the hardening of metal surfaces
IPC: C21D1/08
Filed: 1939-03-03
Abstract: 525,971. Burner nozzles. NATIONAL CYLINDER GAS CO. March 3, 1939, No. 7091. Convention date, April 7, 1938. [Class 75 (i)] [Also in Groups II and XXIX] A burner nozzle 8, particularly for a surface hardening torch, is formed of a pair of plates 9, 10 having a series of parallel grooves 14 separated by ribs 17, the ribs of each plate extending into the grooves of the other plate so as to form two rows of outlet passages for producing a substantially continuous sheet of flame. The cross-sectional area of the outlets may be varied as by means of shims 20. The ribs may be inserted further into the grooves at the outlet end than at the inlet end, or the grooves may taper in depth towards the outlet end, so that the passages decrease in cross-sectional area towards their outlet ends. The bottom of the grooves may be concave, Fig. 13, or the ribs and grooves may be of triangular shape. Alternatively, the ribs 15c, Figs 11 and 12, may be narrower than the grooves 16c and extend to the bottom of the latter to form a single row of outlet passages. The plates are secured together by screws, bolts or a band, or may be welded together. The shank 7 communicates through a mixing-device in the handle 6 with valve-controlled acetylene and oxygen or the like supply pipes 1, 2. A quenching nozzle 28 of similar construction, supplied with water &c. through a valvecontrolled pipe 30, may be secured with a partition plate 34 by a strap 33 to the burner nozzle. As shown in Fig. 14, four nozzles 8 having curved edges may be connected together by brackets &c. 41 and supplied through separate pipes from a common handle or support 43 to provide an annular flame for hardening the surface of a cylindrical rod &c. R, a quenching nozzle being associated with each burner nozzle.
Patent GB-714105-A (GB)
Title: Improvements in or relating to lined metal tubes
IPC: B29C63/34
Filed: 1952-03-19
Abstract: 714,105. Lined tubes. ACCUMULATORENFABRIK AKT.-GES. March 19, 1952 [Aug. 18, 1951], No. 7140/52. Class 99 (2). A flexible sleeve 6, e.g., of rubber or a plastic, is drawn into a metal tube 5 and pressed into contact with the adhesive coated inner surface of the tube by a plug 7 driven through the composite tube by air under pressure. The plug may comprise soft rubber rings 2 clamped between metal rings 1 by a bolt and nut 3, 4.
Patent GB-784385-A (GB)
Title: Improvements in or relating to caliper lever brakes for cycles
Inventor: BOULSTRIDGE THOMAS JAMES
IPC: B62L1/12
Filed: 1956-03-07
Abstract: 784,385. Cycle brakes. PHILLIPS & CO., Ltd., J. A. March 7, 1956, No. 7156/56. Class 136(1) In a caliper lever brake for cycles the ends of the brake leg spring 6 are extended rearwardly to pass between the fork blades 10 and bent outwardly at 11 so as to lie behind the fork blades 10, when the brake is in position on a cycle, for engaging behind the blades when the brake is applied. The spring may engage waisted studs 7 on the brake legs.