baber/WOPTO huggingface dataset:
Patent GB-1415787-A (GB)
Title: Connectors for rotary dental instruments
IPC: A61C1/05
Filed: 1973-02-15
Abstract: 1415787 Dental handpiece connectors KALTENBACH & VOIGT 15 Feb 1973 [22 Feb 1972 22 Dec 1972] 7589/73 Heading A5R [Also in Divisions E2 and F2] A dental instrument comprises a handpiece 1 housing a pressure medium operated motor, inlets for the pressure medium and a coolant, and a connector piece 5 for detachably coupling the handpiece 1 with a flexible supply tube 7 and supplying the handpiece 1 with the pressure medium and the coolant while permitting rotation of the handpiece 1 relative to the supply tube 7. The coupling between the handpiece 1 and the connector 5 and the flexible tube 7 and the connector 5 may comprise snap-action coupling hooks 11 which pivot at 13 and are biassed by springs such that a nose 12 in each hook 11 engages collars 10 on the handpiece 1 and the flexible tube 7. The hooks 11 are mounted on axially non-displaceable sleeves 14 which are rotatably mounted on ball bearings 15. Ducts 17 open into an annular duct 18 in the handpiece 1 and communicate with the head 3 via a duct 19, and the duct 16 communicates with a conduit 20 in the handpiece 1. Similar duct connections are provided between the connector 5 and the flexible tube 7. In an alternative embodiment, screw threads (21, 22), Fig. 2, (not shown) engage corresponding screw threads on the handpiece 1 and the flexible tube 7 respectively so that parts (23, 24) of the connector 5 are non-rotatably joined to the handpiece I and the flexible tube 7 respectively. The parts (23, 24) are mutually rotatably mounted on ball bearings (26 - 31) are provided for air and water and air discharge gaps 32 and (33) are provided in the two embodiments respectively. In an alternative embodiment, a connector 5 includes forward and return air flow ducts (40, 41) respectively. The ducts (38-41) include transition chambers (38a ,39a, 40a, 41a), Figs. 4 and 5, (not shown) between mutually rotatable parts (5a, 5b) of the connector 5.
Patent GB-909462-A (GB)
Title: Improvements in or relating to printing rollers
Inventor: ROHLAND HARRY
IPC: F16D1/06
Filed: 1959-03-05
Abstract: 909,462. Rollers. HEINZE, H. March 5, 1959, No. 7654/59. Class 42 (2). [Also in Group XXIV] Each end of a roll 6 is secured to a separate spindle 1 by means of a split sleeve 4, the spindle having a conical part 2 and screwing into the sleeve to expand it. The sleeve is formed with projections 12 engaging recesses in the roll to prevent relative rotation, and when the desired frictional grip is obtained, a ring 7 is slid axially along a square section part of the spindle to engage facial projections thereon with recesses 10 in the split sleeve.
Patent GB-1030453-A (GB)
Title: Improvements in or relating to apparatus for transporting card-type data carriers
IPC: B65H29/66
Filed: 1965-02-23
Abstract: 1,030,453. Sheet-delivery apparatus. SIEMENS & HALSKE A.G. Feb. 23, 1965 [Feb. 24, 1964], No. 7675/65. Addition to 960,145. Heading B64. In apparatus as set out in the parent Specification wherein data-carrying cards are fed by rollers n, Fig. 1, to retarding means and each card 1 enters grooves 11 in counter-rotating rollers 10 so as to cause its trailing end to be moved downwardly out of the way of the leading end of the following card, each groove 11 has retarding means e.g. leaf springs 15, associated with it. As shown, each card as it is released from the rollers 10 during their rotation drops into a collecting magazine 18, 19, and an inclined surface 16 bends the leading end of the card downwardly so that the end is between the side walls 18 before the card is released. A driven roller 17 beneath the card 1 forces the card against the end wall 19. The grooves 11 are helical and designed so that the leading edge of the card remains at the same height i.e. at the level of the axes of the rollers 10 during the passage of the card into the grooves. In one construction, Figs. 3, 4 (not shown), leaf-spring retarding devices 28 are attached to the ends of inverted U-shaped strips 27 forming the grooves and are mounted on a part of the roller 10 which is adjustable about its axis to bend the strips 27 to helical shape. In another construction, Figs. 2a, 2b (not shown), the retarding means are formed by flattened abutting parts on the ends of strips 24 forming the grooves.
Patent GB-686145-A (GB)
Title: Tubeless pneumatic tyre assembly
IPC: B60C5/16
Filed: 1951-04-03
Abstract: 686,145. Tubeless pneumatic tyres. GENERAL TIRE & RUBBER CO. April 3, 1951 [April 7, 1950], No. 7732/51. Class 144 (ii). A tubeless pneumatic tyre assembly comprises a beaded tyre casing 2 mounted on a shouldered wheel rim 3, and an annular rubber sealing means 1 having beaded sealing portions 4 disposed circumferentially on the wheel rim shoulders to abut the toe portions of the tyre beads 7 and thereby prevent escape of air between the tyre beads 7 and the rim 3, the heel portions of the beads 7 resting directly against the rim surface. As shown in Figs. 1 and 4, the sealing means 1 is a taper-edged moulded one-piece flap shaped to conform with the well-base rim and provided with an inflating valve 6. For use with safety rims, Fig. 5, having recessed shoulders to seat the tyre beads, the flap 1a is formed with hollowed edge portions 12 to fit over the rim beads 11 without excessive projection of the beaded sealing portions of the flap. Fig. 6 shows an arrangement wherein the sealing flap is in two parts 13 cemented to the rim walls 15, one sealing flap part having an inflating valve 16. Fig. 7 shows two annular sealing rings 19, which may be shaped as shown or have oval cross-section, cemented into recesses 18 in the rim shoulders, an inflating valve 23 being secured directly to the rim.
Patent GB-1427628-A (GB)
Title: Preservative for aqueous dispersions
IPC: C08L33/00
Filed: 1973-02-16
Abstract: 1427628 Microbicidal polymer dispersions HOECHST AG 16 Feb 1973 [16 Feb 1972] 7738/73 Heading C3P [Also in Division A5] Polymer dispersions contain as a microbicidal preservative, 0À05 to 1À0 wt. per cent based on the dispersion, of at least one N- substituted maleic imide derivative of the formula in which R is alkyl, cycloalkyl or aryl, with 3 to 8 carbon atoms, a 2-chloroethyl group, a 4- nitro phenyl group or a 2-naphthyl group. Virtually any type of polymer dispersion may be used and a long list of suitable unsaturated monomers for preparing them is given. In the examples, aqueous dispersions of polymers of styrene/butyl acrylate, ethyl acrylate/methyl methacrylate, butyl acrylate/methyl methacrylate and ethylene/vinyl acetate are preserved with compounds of the above formula in which R is neopentyl, phenyl or benzyl. The preserving action is tested by treatment with a wide variety of micro-organisms.
Patent GB-139642-A (GB)
Title: Improvements in picking-sticks of looms for weaving
IPC: D03D49/38
Filed: 1919-03-28
Abstract: 139,642. Blackburn, T. A. March 28, 1919. Picking-sticks are provided with a metal strengthening-plate comprising a longitudinal sheath B of channel section. The sheath is fixed to the stick A by screws C and embraces one face and both edges of the stick throughout its whole length. Reference has been directed by the Comptroller to Specifications 1518/93, 5275/99, and 24736/07.
Patent GB-939610-A (GB)
Title: Pneumatic tyres
IPC: C08L21/00
Filed: 1962-02-28
Abstract: To provide quiet riding qualities, a tyre tread is composed of a mixture of (a) 100 parts by weight of synthetic polybutadiene rubber or a butadiene-styrene copolymer having up to 55% by weight of combined styrene, and (b) 15 to 100 parts by weight of solid petroleum asphalt having a penetration value of 180 to 1,000 hundredths of a centimetre under a load of 5 grams in 5 seconds at 25 DEG C. (ASTM D 5-49), and a ring and ball softening point of 70 DEG to 115 DEG F. (ASTM D 36-46).  The asphalt used should have an asphaltene content of not more than 18%, preferably less than 7%, a specific gravity of 0,98 to 1,03, preferably 1,001 to 1,02, and a Cleveland open cup flash point of 500 DEG  to 575 DEG F.  The polymer rubber may be compounded with 5 to 30 parts by weight of a hydrocarbon oil plasticizer having a boiling point in excess of 400 DEG F., and the mixture may be effected on rubber mills or by mixing rubber latex with an emulsified asphalt, the resultant mix being coagulated to provide an asphalt/rubber crumb.  The mixture is compounded with carbon black and the usual vulcanizing ingredients. The Specification contains specific examples of suitable compounds.
Patent GB-721696-A (GB)
Title: Improvements in the manufacture of hollow metal bodies
IPC: B22D13/00
Filed: 1952-03-26
Abstract: 721,696. Continuous-casting machines. SOC. CIVILE D'ETUDES DE CENTRIFUGATION. March 26, 1952 [April 5, 1951], No. 7796/52. Class 83 (1). A hollow body is made by pouring molten metal at a uniform rate into a bottomless rotating mould in which the metal is cooled, the solid body being extracted by rollers at an adjustable rate. Molten metal, e.g. steel, in a crucible 14, Fig. 3, having heating means 54, e.g. electric resistance, is allowed to flow at a controlled rate on to the wall of a rotating metal mould 24 by means of a runner 16 and a regulating valve 51 or a detachable outlet 17 of definite bore. In a modification, the mould 24 carries a casing 55, Fig. 4, with a refractory lining shaped to form a groove 57 to receive molten metal. This may be delivered by a spout 59 from a gutter 58 which may supply a number of moulds. The mould 24 may be detachably supported by conical and cylindrical faces of two driven sleeves 26, 28, Fig. 2, cooling jets 40 ... 43 being arranged inside the upper sleeve and being independently controllable. Jets 49 may be arranged above the removable cover-plate 39. The tube A is fed down by driven skew rolls 23, Fig. 1, rotating on stationary axes adjustable to grip the tube, or by grooved rolls 84, Fig. 6, carried on horizontal parallel axes by a sleeve 88 which is rotated about the axis of the tube A by gearing 92. The feed rolls are driven at an adjustable rate independently of the mould drive. In a modified feeding means the mould has internal helical grooves 83, Fig. 6, and the rolls are not driven but the sleeve 88 is rotated at a speed slightly different from that of the mould so that the casting is screwed down out of the mould. Inert or reducing gas may be supplied at the level of the groove 57 or at any point in the tube A. In other modifications the axis of the mould may be inclined or horizontal, and the tube may be cut into lengths by gas-cutting, sawing, &c.
Patent GB-215902-A (GB)
Title: Improvements relating to machines for wrapping caramels, cakes and other goods
IPC: B65B11/24
Filed: 1923-03-19
Abstract: 215,902. Martin, H. E., Harris, R. A., Booth, J. H., and Baker, Sons, & Perkins, Ltd., J. March 19, 1923. Packeting by wrapping-up.- Relates to machines, for wrapping caramels, cakes, &c., and of the type wherein the opposed ends of wrappers are twisted by combined rotary and reciprocating movements imparted to two pairs of grippers operating simultaneously upon the ends. According to the invention, the reciprocatory grippers have a continuous rotary movement imparted to them. The preliminary wrapping is effected, in known manner, in a recess in an oscillating arm, from which the partially wrapped article is transferred to the jaws v of a holder x. The grippers h, on continuously rotating spindles f, are closed upon the projecting ends of the wrapper by the operation of rack rods i actuated by springs l and controlled by levers j. During the twisting, the spindles f are advanced towards the article by levers o. The spindles are continuously rotated by gearing m, n.
Patent GB-374926-A (GB)
Title: Improvements in propolling systems for ships or aircraft
IPC: B63H5/07
Filed: 1931-03-14
Abstract: 374,926. Propelling ships and aircraft. ALMONACID, V. A., 1015, Juncal, Buenos-Aires. March 14, 1931, No. 7924. [Classes 4 and 114.] In ships and airships with a forward pair of screw propellers b mounted on a transverse shaft, the propellers are arranged partly in recesses in the hull and partly ahead of the stem a.
Patent GB-1596607-A (GB)
Title: Sound-insulating materials
IPC: B32B25/08
Filed: 1978-03-01
Abstract: To increase sound insulation, filler with a density of 2.5 to 4 g/cm is added to a rubber layer (1). Layers (2, 3) which are adhesively bonded on one or both sides and consist of flexible polyurethane foam serve to increase the insulating effect by prefiltering the sound waves. <IMAGE>
Patent GB-1018862-A (GB)
Title: Improvements in or relating to filters
Inventor: COLLINS GEORGE MCLEISH
IPC: B01D25/00
Filed: 1963-02-28
Abstract: 1,018,862. Filters. BIRMINGHAM SMALL ARMS CO. Ltd. Feb. 25, 1964 [Feb. 28, 1963], No. 8064/63. Heading BID. A filter element comprises two stainless steel porous plates 1 and 2 spaced apart by stainless steel spacers 3, 4 and 5, one end of the element being sealed by connecting or uniting the plates by welding or fusion and the other end being connected to a supply of fluid to be filtered. A solid, stainless steel plate 6, 7 of the same width and thickness as the porous plate, is welded at the open end of each porous plate. Two or more such elements may be assembled together by welding a spacer 8 between plates 6 and 7 of two adjacent elements, and a header tank may be welded to the open end. Stainless steel strips are welded to the solid ends of the element to hold them in position. The element may alternatively be made of glass, silica, plastics or sintered gauze. The element may be heat treated in hydrogen when all welding has been finished on the porous plates.
Patent GB-1371738-A (GB)
Title: Process for soldering difficultly solderable material
IPC: B23K35/26
Filed: 1973-02-19
Abstract: 1371738 Soldering ASAHI GLASS CO Ltd 19 Feb 1973 [19 Feb 1972] 8131/73 Heading B3R [Also in Division C7] Glass, ceramics or metals with oxidized surfaces, e.g. Si, Ge, Al, Ti, Zr, Ta, are soldered at low temperatures not above 180‹ C. employing vibration, e.g. ultrasonic vibration and a solder alloy consisting of, by weight 2 to 98À45% lead 1 to 97À45% tin 0À5 to 60% cadmium 0À05 to 10% zinc with optional additions of antimony, bismuth, rare-earth metals, aluminium, silicon, titanium and/or beryllium. This solder alloy can be used as a base layer for conventional Pb/Sn solders. In one exemplified process, the article to be soldered is dipped into a molten solder bath.
Patent GB-761443-A (GB)
Title: Hardened epoxy resins
IPC: C08G59/52
Filed: 1954-03-22
Abstract: A hardening agent for 1,2-epoxy polyethers of polyhydroxy compounds comprises the reaction product of an unsaturated aliphatic nitrile with a polyamine having at least one hydrogen atom joined to the amine nitrogen atom capable of reacting with the nitrile.  The reaction products apparently have the formula <FORM:0761443/IV(a)/1> where A and A1 are hydrogen atoms or cyanoethyl radicals and x is 0 or an integer, preferably 1, 2 or 3.  Suitable nitriles for use in their preparation are acrylonitrile, methacrylonitrile, crotonic nitrile and fumaric or maleic dinitriles.  Preferred polyamines are diethylene triamine, ethylene diamine, triethylene tetramine and tetraethylene pentamine.  The epoxy compounds include the diglycidyl ethers of ethylene trimethyl, butylene, diethylene, triethylene and dipropylene glycols, glycerol and dihydric phenols.  Examples of dihydric phenols are 2,2-bis(4 - hydroxyphenol) - propane and butane, bis(4 - hydroxyphenyl) methane, 1,1 - bis(4-hydroxyphenyl) ethane and isobutane, 2,2-bis (4-hydroxy-2-tertiary butyl phenyl) propane and 2,2-bis (2-hydroxynaphthyl) pentane.  In the exemplified compositions the proportions correspond to a ratio of epoxide equivalent to amino hydrogen equivalent of about 1 to 1.  Tables are also given summarizing the physical properties of the compositions, showing them to have increased fluidity initially, increased pot life and increased impact strength when finally hardened.ALSO:Compounds which are used as hardeners for epoxy resins are prepared by reacting an unsaturated aliphatic nitrile with a polyamine having at least one hydrogen atom joined to the amine nitrogen atom capable of reacting with the nitrile.  The compounds apparently have the formula <FORM:0761443/IV(b)/1> where A and A1 are hydrogen atoms or cyanoethyl radicals and x is 0 or an integer, particularly 1, 2 or 3. Suitable nitriles are acrylonitrile, methacrylonitrile, crotonic nitrile and fumaric and maleic dinitriles.  Preferred polyamines are diethylene triamine, ethylene diamine, triethylene tetramine and tetraethylene pentamine.  The examples describe the reaction between acrylonitrile and diethylene triamine in mol. ratios of 1:1, 2:1 and 3:2 respectively.
Patent GB-267329-A (GB)
Title: Improvements in drying frames for socks and stockings
IPC: D06F59/06
Filed: 1926-03-26
Abstract: 267,329. Chovil, W. A. March 26, 1926. Drying-frames. - A frame for preventing shrinkage of socks &c. during drying is formed at its upper end with hooks B to which the sock is attached.
Patent GB-313225-A (GB)
Title: Improvements in or relating to the utilisation of pulverulent or powdered carbonaceous materials in boiler furnaces
IPC: F23M5/08
Filed: 1928-03-19
Abstract: 313,225. Brand, J. J. C., and Laing, B. March 19, 1928. Pulverulent-fuel furnaces; fuel, feeding.-In a Cornish or Lancashire boiler A fired by pulverulent fuel, the primary and secondary air supplies are heated in a tubular heater D located in the return flue E of the boiler, the air being supplied from the rear by a fan B and delivered, by conduits H, D<3>, respectively, to the burner G<2> and the pulverizer I. The latter supply serves not only as primary air but also to dry the fuel undergoing pulverization. The burner G<2> is arranged at the front end of an external combustion chamber G surrounded by a jacket G' into which the hot-air pipe H delivers and which is fitted with baffles to impart a whirling motion to the secondary air. If the fuel, instead of being supplied to the burner directly from the pulverizer, is fed from a storage bin, the whole of the hot air from the heater D mav be supplied direct to the burner, or part may be admitted at any convenient point in the fuel conduit I<1>. Specifications 281,588, 297,240, and 312,380 are referred to.
Patent GB-790290-A (GB)
Title: Weighing machines
Inventor: MACKLOW-SMITH ARTHUR
IPC: G01G5/04
Filed: 1955-03-22
Abstract: 790,290. Weighing apparatus. MACKLOW-SMITH, Ltd. A. March 19, 1956 [March 22, 1955], No. 8365/55. Class 143 In a weighing machine a plurality of hydraulic capsules 2 supporting a platform or container 1, are each connected hydraulically to one of a group of similar capsules 9 which apply force to a member 10. means being provided for measuring or balancing this force. Each capsule consists of a disc 6 mounted . in a fluid containing cup to the periphery of which it is joined by an annular elastic member 4. Member 10 is connected to the movable plate 6a of another capsule 11 the stationary pressure chamber of which is connected by a channel 15 with the stationary pressure chamber of a further capsule 14. The movable plate 6b of capsule 14 is bolted to a weigh beam '16 which is plate fulcrummed at 17 and carries a tare weight 18 and an adjustable poise 22. The machine is provided with switches 23, 24 adapted to, control the feed mechanism of an automatic feed weigher (not shown). In a modification (not shown) the pressure in capsule 14 is measured, .by a gauge. Specification 790,291 is referred to.
Patent GB-538537-A (GB)
Title: Improvements connected with automatic cut-outs for electrically heated kettles, coffee percolators or other cooking utensils
IPC: H05B1/02
Filed: 1940-05-10
Abstract: 538,537. Thermal switches. FRENCH & SON, Ltd., W. T., and FRENCH, A. W. May 10, 1940, No. 8419. [Class 38 (v)] In an automatic cut-out for electric kettles, coffee percolators &c. in which, when the kettle boils dry, a fusible alloy melts and a spring- pressed plunger 16 is released so as to eject a connector off its pins 17, the plunger 16 carries a pawl 22 which engages a ratchet wheel 6 having an extension 5 soldered by the fusible alloy to a recess in a member 4 mounted on the inside of the base 9 of the kettle. Preferably the member 4 contacts with the sheathing 11 of the heating element. Specifications 489,921 and 515,130, [both in Group XI], are referred to.
Patent GB-164179-A (GB)
Title: An appliance for use in the washing of motor cars and other purposes
IPC: B60S1/66
Filed: 1920-03-23
Abstract: 164,179. Kent, H. C. March 23, 1920. Actuating by pulsating fluid pressure: air vessels; assembling parts; mountings; free - piston pumps; delivery reservoirs; valves, arrangement of.-A pump suittable for washing motor cars &c. comprises a. vessel 1 enclosing a pump 2 provided with a free piston 3, which is forced down by air pressure delivered through a pipe 5 from an inflator &c. and is returned by a spring 4. On the upstroke of the piston, liquid enters the barrel 2 by a valve 8, and on the downstroke it is forced through the lower ports 9 in the barrel and ports 11 in a rubber sleeve valve 10. When the piston passes the upper ports 9 on the downstroke, part of the actuating compressed air passes through these ports and the ports 11 into the space above the liquid in the vessel 1. The liquid is forced through the delivery pipe 13 by the air pressure in the vessel 1. The vessel 1 has a relief cock valve 14. The barrel 2 is inserted through a hole in the bottom of the vessel 1 and has a bevelled shoulder engaging a bevelled seat 17. The end of the rubber sleeve is fixed to the barrel by a nut 18. The barrel its held in place by a. nut 19 engaging the pipe 5. The piston may consist of two spaced discs each provided with a pair of leathers. The appliance may be mounted on floats.
Patent GB-811154-A (GB)
Title: Improvements in or relating to rotary take-ups for sewing machines
Inventor: JEFFERSON STANLEY
IPC: D05B51/00
Filed: 1956-03-20
Abstract: 811,154. Sewing machines. JONES' SEWING MACHINE CO Ltd. Feb. 7, 1957 [March 20, 1956], No. 8587/56. Class 112 A rotary take up requiring no separate thread guide and from which any woundon thread coils may be readily slipped, comprises a rotary member 1 having an arm 7 of substantially triangular form, a finger 21 extending from the leading apex of the triangle and curving backward to cross the leading thread-controlling edge 16 of the arm in such a manner that it is then oblique to both the plane of rotation of the arm and to a plane containing the leading edge and disposed at right angles to the aforesaid plane. Thread stops 10, 13 extend from the arm to the rotary member-and the trailing thread controlling edge comprises two parts 17 and 18 at an obtuse angle to each other.