baber/WOPTO huggingface dataset:
Patent GB-583400-A (GB)
Title: Improvements in contra-angle attachments for dental handpieces, and in contra-angle handpieces
IPC: A61C1/18
Filed: 1944-10-09
Abstract: 583,400. Dental hand-pieces. CHAYES, N. Oct. 9, 1944, No. 19358. Convention date, Nov. 6, .1943. [Class 81 (ii)] A dental contra - angle attachment or hand - piece comprises a separably connected headpiece 5, angle piece 6 and sleeve 9, a lever 19 pivotally mounted on the headpiece, and having an arched portion 22 formed with lugs 24 adapted to embrace the bearing boss 15 for shaft 8, the sleeve being screwed on the thread 26 on the boss 15 to confine the lever in position. An internal bevel on the sleeve engages bevelled shoulder 30. A groove in the top of the angle piece accommodates the lever 19, which may be of spring metal, and which together with the lugs 24 is so proportioned that shoulder 17 on the head-piece is drawn tightly against shoulder 18 of the angle piece. The sleeve 9 is formed with indentations 11 to engage grooves 12 in the sheath of a straight handpiece 10, but the invention is applicable to an integral contra-angle piece.
Patent GB-423222-A (GB)
Title: Improvements in and relating to thread delivery devices for high speed warp frames
IPC: D04B27/00
Filed: 1934-06-30
Abstract: 423,222. Knitting-machines. WIRTH, E., Hartmannsdorf, near Chemnitz, Germany. June 30, 1934, No. 19367. [Class 74 (ii)] A thread delivery device for high speed warp machines comprises an axially displaceable shaft 5 kinematically connected to a warp beam by means of a worm gear 6-2 and carrying a conical element 25 which by axial displacement of the shaft can be brought into operative connection with a constantly driven roller 22. The movement of the shaft 5 is controlled by a pivoted lever 8 which at one end is provided with a roller for engagement with the yarn passing from the beam and at the other end has two rearwardly extending levers 10 in which are pivotally mounted the pins of a sleeve 11 located on the shaft 5. The roller 22 is driven by a bell-shaped sleeve 23 which is constantly rotated through gears 24, 15, 16 from the camshaft, the roller coupling devices comprising the elements 22, 25 being arranged in a closed oil container 13 at the base of the machine. A second warp beam is similarly operated by a shaft 5<1>, and overrunning of both shafts is prevented by braking elements 26.
Patent GB-147580-A (GB)
Title: Improvements in or relating to the hydrogenation of naphthalene
IPC: C07C13/48
Filed: 1920-07-08
Abstract: Naphthalene to be hydrogenated is preliminarily purified by treatment in the vapour phase with finely divided or readily fusible metals or metal alloys or with such metal compounds in which the metal is loosely bound to a non-acid radicle, or with metal carbides, as in Specifications 147,476 and 147,488; the purifying materials may be mixed with finely divided or porous materials such as fullers' earth. The naphthalene vapours may be passed through several layers of the purifying materials, or through the fused material maintained if desired in a finely divided state as, for example, in a "lixiviating" column; thus the vapours may be passed through a vessel filled with melted sodium and maintained at 150 DEG  C., and afterwards condensed and treated with hydrogen under pressure at a temperature above 100 DEG  C. in the presence of a nickel catalyst; or the vapours may be passed through a tower containing finely divided nickel or iron mixed if desired with fullers' earth, or through which liquid metals or metal alloys are maintained in circulation by means of a pump.  By stopping the hydrogenation at the desired point, tetrahydronaphthalene may be obtained.  Specification 147,474 is referred to.ALSO:Napthalene to be hydrogenated is preliminary purified by treatment in the vapour phase with finely divided or readily fusible metals or metal alloys, or with such metal compounds in which the metal is loosely bound to a non-acid radicle, or with metal carbides, as in Specifications 147,476 and 147,488; the purifying materials may be mixed with finely divided or porous materials such as fullers' earth.  The naphthalene vapours may be passed through several layers of the purifying materials, or through the fused material maintained if desired in a finely divided state, as for example, in a "lixiviating" column; thus the vapours may be passed through a vessel filled with melted sodium and maintained at 150 DEG  C.; or the vapours may be passed through a tower containing finely divided nickel or iron mixed if desired with fullers earth, or through which liquid metals or metal alloys are maintained in circulation by means of a pump. Specification 147,474 is referred to.
Patent GB-965069-A (GB)
Title: Improvements in or relating to fluorinated hydrocarbons
IPC: C07C17/20
Filed: 1963-05-16
Abstract: Perfluoro-olefines are prepared by heating at least one perhalocarbon of the general formulae CFX2(CFX)nCF=CFX and CFX2(CFX)nCFX CFX2, in which X is chlorine or bromine and n is a positive integer, with a fluoride of potassium, rubidium or caesium under substantially anhydrous conditions in an inert organic liquid having a dielectric constant of at least 20 until the halogen atoms other than fluorine have been replaced by fluorine to give an internal perfluoro-olefine having the same number of carbon atoms as the perhalocarbon.  The inert organic liquid may be dimethylformamide or dimethylsulphone although numerous other alternatives are listed, and n is preferably 1 or 3. The reaction temperature is preferably from 80-300 DEG C. Numerous examples are given.
Patent GB-574028-A (GB)
Title: An improvement in or relating to variable speed gear boxes
IPC: F16H37/00
Filed: 1943-11-23
Abstract: 574,028. Variable - speed gearing. BROWN & SONS (HUDDERSFIELD), Ltd., D., and TAYLOR, A. Nov. 23, 1943, No. 19556. [Class 80 (ii)] Consists in the use of auxiliary mechanism for enabling the range of speeds provided for by a gear-box to be extended. The gear-box has an input shaft a and output shaft b aligned with shaft a and capable of being connected thereto by a clutch c. The shaft a carries a gear d in constant mesh with a gear e fast on a sleeve f surrounding a layshaft g carrying a series of gears h adapted to be selectively engaged with gears h<1> on the output shaft b. The sleeve f carries the annulus i of a planetary reducing mechanism, the planet carrier j being fast with the layshaft g. On the hub m<1> of the sun wheel m is slidably keyed a clutch member n adapted to engage with its toothed inner end n<1> an internally-toothed gear o on the carrier j, and with its toothed outer end n<2> an internally-toothed gear p on a portion of the casing r. When clutch member n is in central position, no drive is transmitted, but when it is engaged with the carrier, the latter becomes locked to the sun wheel and the gear runs solid. If the clutch member engages with gear p, the shaft g is driven at a different speed.
Patent GB-883915-A (GB)
Title: Improvements in or relating to pivotal mountings
Inventor: CARTER DENIS MILES
IPC: B26D1/553
Filed: 1959-06-08
Abstract: 883,915. Egg &c. slicers. ROSEDALE ASSOCIATED MANUFACTURERS Ltd. July 20, 1960 [June 8, 1959], No. 19558/59. Class 5(1). [Also in Group XXV] An egg slicer comprises a base portion 10 with a depression 15 and a cutter part 11 with wires 18 passing through slots 17 the base and cutter portions being connected by a hinge 30 (see Group XXV).
Patent GB-1123084-A (GB)
Title: Stoppers for bottles or containers and means for effecting their removal therefrom
IPC: B65D39/16
Filed: 1966-05-03
Abstract: 1,123,084. Stoppers &c. J. W. FOLEY. 27 April, 1967 [3 May, 1966], No. 19589/66. Heading B8T. A bottle stopper consists of a plug 11 that is pushed into a container below the rim of the neck, Fig. 1 (not shown), so that it may not be removed except by a key 12 shaped to engage a formation on the plug. The key 12 is inserted into a transverse slot 111 and when the key head 121 has reached a circular recess 112 it is turned through 90 degrees, to the position in Fig. 6, and the plug 11 may be withdrawn.
Patent GB-1064987-A (GB)
Title: Fluid control valves
IPC: F15B13/01
Filed: 1964-05-11
Abstract: 1,064,987. Jacks &c. TOWLER BROTHERS (PATENTS) Ltd. May 11, 1964 [May 15, 1963], No. 19607/64. Heading B8J. [Also in Divisions F1 and F2] Hydraulic fluid having been supplied by a pump (PP) Fig. 2 (not shown), at a pressure determined by a relief valve (LP) through a distributing valve (D) and openings (31), (32) in a valve housing (L) to a ram cylinder is maintained after disconnecting the pump by seating of a differential spring-loaded piston valve (26), Fig. 1 (not shown), against a seating formed by a valve body (25) and one end of an adjustable spring-loaded needle valve (28) slidably mounted in the body (25) which is secured within the housing (L) itself detachably secured to the ram cylinder; release of fluid following an increase in load on the ram piston being effected either by displacement of valve (26) against spring (24) thus connecting opening (32) to an opening (31) connected to exhaust or by displacement of needle valve (28) against spring (10) thus connecting openings (31), (32) via bores (34), (35) in valve (26). To allow return of the ram piston (PN) under no load fluid is released either by lifting valve (26) by temporary application of pump pressure through an opening (33) to the spring side of valve (28) or by lowering valve (28) by releasing tension on spring (10) thus allowing the end of valve (28) to be freed from valve (26) by pressure in bores (34, 35).
Patent GB-901327-A (GB)
Title: Starter relay and overload cut-out for electric motors
IPC: H02K11/00
Filed: 1960-06-03
Abstract: 901,327. Electromagnetic relays; thermal switches; protective cut-out systems. RINI, V. June 3, 1960 [Nov. 28, 1959], No. 19694/60. Class 38 (5). A combined starting relay and thermal cutout for an electric motor has a common insulating base formed with two compartments arranged so that one compartment, containing the thermal cut-out, receives heat from the motor whilst the second compartment containing the relay does not receive heat from the motor. As shown for a motor 35 including starting and running windings and a plug connector 31 in its casing 30 and three connector pins 32, 33, 34, the insulating base has two compartments 10, 11 and a wall 40 separating the relay compartment 10 from the motor. Three holes such as 61 in the wall 40 receive the pins 32, 33, 34 and connectors 18, 19, 25 engage the pins to complete the circuit connections to the relay coil 12, contacts 10, 16 and to the thermal cut-out comprising a bimetal 20 and heater resistor 24, both within the compartment 11 which has its open side in close proximity to the motor casing 30. The plunger type relay contact bridge 14 completes the circuit to the starter winding until the current in the coil 12 falls to its running value and the bimetal 20 disconnects contacts 22, 23 on overheating due to current in the resistor 24 or heat from the motor.
Patent GB-719972-A (GB)
Title: Improvements in or relating to continuous cloches
IPC: A01G13/04
Filed: 1952-08-06
Abstract: 719,972. Cloches. LENG, R. April 7, 1953 [Aug. 6, 1952], No. 19756/52. Class 20 (1) Cloches comprising two or more sheets of glass 2 held on the lower hooked ends 1a of a dihedral frame 1 by crimped ventilation members 5 pressed down by a double lever spring 6 passing under the apex of the frame 1 have, secured to the legs of the dihedral frame, further frames 4 whose upper edges abut against the mid portions of the ventilation members. Frames 4 are triangular and have ends 4a which fit into sockets 3 on frame 1. In a modification, Fig. 3, a barn cloche is constructed having a dihedral frame 7 bent to the barn shape and having, at the bends, wires 9 to hold the upper ends of the lower sheets of glass and the lower ends of the upper sheets of glass. Rods 11 may have hooks 11b to engage frame 7 and hooks 11a to hold an end glass 12 in position.
Patent GB-779310-A (GB)
Title: A process for drying moist solid materials and a processing plant for carrying said process into effect
IPC: F26B3/00
Filed: 1955-07-08
Abstract: 779,310. Drying fish, fish waste, &c. AKTIESELSKABET STORD. July 8, 1955 [Oct. 9, 1954], No. 19756/55. Class 34(2) In a process for drying fish, fish waste &c. the material is fed to a first dryer 5 having mixing paddles therein and an internal pressure above atmospheric, the dryer being heated by a steam jacket 8 and by steam supplied to the hollow paddles and the partially dried material is discharged into a second dryer 12 through a gate 11, the dryer 12 being maintained at a pressure below atmospheric and being heated by a jacket 17 and hollow mixing paddles fed with steam obtained from the vapours removed from the first dryer through steam dome 19 and pipes 20. The vapours from the second dryer 12 are removed through dome 21 and suction pipe 22 to a condenser 23 connected to vacuum pump 25 and cooling water pump 26, condensate being removed through a pipe 28. The dried material is discharged through a gate 15.
Patent GB-331099-A (GB)
Title: Improvements in and relating to the construction of railway and like vehicles
IPC: B61D25/00
Filed: 1929-06-28
Abstract: 331,099. Lightalloys, Ltd., and Grieve, W. H. June 28, 1929. Sides and roofs.-The body of a railway or like vehicle is constructed of a number of castings 3 of aluminium alloy or similar light material secured to a light steel skeleton framework 1 connected to the longitudinal bearers 2 of the underframe, the castings forming the exterior contour of the vehicle and comprising the necessary window openings, flanges 4 for attachment to the framework and lugs 6 for supporting the seats and other interior fittings. Preferably, the roof 7 is also built up of a number of sectional castings, while each of the ends 8 may be formed of a single casting or a number of castings.
Patent GB-1408691-A (GB)
Title: Bottle carriers
IPC: B65D71/48
Filed: 1973-04-26
Abstract: 1408691 Packages ILLINOIS TOOL WORKS Inc 26 April 1973 [1 May 1973 13 Nov 1972] 19918/73 Heading B8C A package comprises a row of bottles 46 each having an enlarged cap portion 48 associated with its open end and assembled in a carrier formed from a blank 10 of sheet material which has a bight portion 24 extending through the middle of the blank in which are located a plurality of apertures 38 in predetermined spaced relation accepting and engaging a portion of the neck of a respective one of the bottles below its open end, opposed margins 20, 22 and 26, 28, on opposite sides of the bight portion 24, having predetermined spaced apertures, or cutouts, 34, 36 larger than the enlarged cap portions 48, the margins being placed in overlapping relation and co-operating to form openings grippingly engaging, and trapping, the bottle necks immediately beneath the enlarged cap portions and means, such as tabs 30 and apertures 44, being provided for releasably retaining the overlapped margins relatively to each other. The carrier comprises a resiliently deformable blank 10 of plastics material, such as polyethylene, which has fold lines 12, 14, 16, 18 to define five panel sections 20, 22, 24, 26 and 28 the series of transversely-aligned openings 34, 36 and 38 respectively being formed through the fold lines 12, 18 and in the centre panel 24, and the outer edge of the panel 20 having the fastening tabs 30 which are adapted to cooperate with the openings 44 in the panel 26. The panels 22, 26 are provided with finger grip slots 40 having hinged flaps 42, the openings 34, 36 each being large enough to permit a bottle cap 48 to pass freely therethrough. In assembling the carrier the panels 22, 26 are folded abruptly upwards from the base panel 24 along the fold lines 14, 16 and the end panels 20, 28 are folded respectively towards each other until the fold line 12 is immediately over the fold line 18 at an apex of the carrier, the panels 22, 26 forming carrier side walls, Fig. 3. Finally the tabs 30 are engaged in the corresponding apertures 44 so that, in the assembled carrier, the distance between the opposed sides 34a, 36a of each overlapping pair of openings 34, 36 is less than the diameter of a cap 48. In order to form a package of bottles 46 the apertures 38 in the base 24 are placed over the necks 50 of the bottles 46 further downward movement of the apex of the carrier causing the edges 34a, 36a of the openings 34, 36 to deform, snap over, and lock beneath, the corresponding caps 48, the side walls 22, 26 being resiliently bowed outwardly, Fig. 3. In a modification, Figs. 4-6, not shown, an integral handle (21) extends from the second panel section (22) the legs of the handle dividing the panel (20) into three parts, and the panel (20) carrying three tabs (30) of arrowhead shape. In a further modification, Figs. 7-9, not shown, the apertures (36), Figs. 4-6, not shown, are replaced by recesses (136) and the handle portion (121) has a double fold line.
Patent GB-700883-A (GB)
Title: Improvements in or relating to installations for continuous heat treatment of textiles by infra-red rays
IPC: D06C7/00
Filed: 1951-08-23
Abstract: 700,883. Drying textile webs. RADUNER & CO. AKT.-GES., and VALENDAS, W. VON BERLEPSCH-. Aug. 23, 1951 [Aug. 24, 1950], No. 19934/51. Class 34(1) [Also in Group XI] A textile web 2 is dried by exposure to infra-red radiation during its passage over a flat or undulating bed 3 divided into a number of chambers 5 each of which is heated or cooled by liquid flowing through pipes 6. The radiating ceiling 1 is divided into panels A, B, C...N and each panel is subdivided transversely so that the radiators which may be electric lamps or radiators or dark radiators heated by gas or high temperature liquids can be adjusted for different widths of web. The whole housing may be inclined about a pivot 9 to vary the slope of the bed 3.
Patent GB-933428-A (GB)
Title: Sealing member
IPC: F16J9/26
Filed: 1962-05-31
Abstract: 933,428. Piston packings. GOETZEWERKE FRIEDRICH GOETZE A.B. May 31, 1962 July 3, 1961], No. 21051/62. Class 122 (1). A sealing member, such as a sealing strip or a piston ring for use in an I.C. engine, is provided in its running surface with at least one applied part or insert 4, Fig. 1, made of a material having good sliding properties, the portion of the running surface consisting of the basic material of the sealing member being formed so as to recede continuously as at 2, 3 relative to the running surface of the part or insert 4 except for a small amount adjacent the part or insert. The portion 2, 3 of the running surface may be chamfered, as shown, or it may be arcuate in cross-section so that when it slides relative to a coacting surface, e.g. a cylinder wall, only the part a of the ring initially comes into contact therewith so that the softer material of which the insert 4 is composed wears first. The receding portion 2, 3 may be coated with a wear-resistant chrome layer. In Fig. 3, the insert 4 is to one side of the member and the running surface recedes continuously to the other side. In Fig. 4, inserts 10, 11 are provided on both sides of the piston and the central part of the running surface is recessed except at 12, 13.
Patent GB-358096-A (GB)
Title: Improvements in processes and plant for the manufacture of cement and the product obtained thereby
IPC: C04B7/44
Filed: 1930-07-03
Abstract: Iron oxides such as Fe2O3 may be heated in a medium which is simultaneously aqueous, alkaline and reducing, to reduce it to Fe3O4. The alkalinity may be produced by adding sodium, potassium, or ammonium salts or bases to the charge, and the reducing character by hydrogen, steam, ammonia, or water gas.
Patent GB-464378-A (GB)
Title: Improvements in and relating to insoles for boots, shoes and the like
IPC: A43B17/08
Filed: 1936-07-21
Abstract: 464,378. Insoles for boots and shoes. CAVE & SONS, Ltd., J., and CAPON, W. E. July 21, 1936, No. 20214. [Class 17 (ii)] An insole comprises a foundation layer 1 with an integral lip 2 for attachment of the upper, a cushion layer 4 of resilient material, such as felt, or sponge rubber, of the same shape and length as the foundation layer 1, and a covering layer 4 of thin leather proportioned so as to extend at its edges 6 over the adjacent edges of the layers 1, 4 and secured directly to the underside of the layer 1 outside the lip 2 by means independent of the means for securing the upper and without being secured to the lip 2. The layer 1 may be slashed at the ball portion for flexibility and perforated to co-operate with perforations in the covering layer for ventilating the shoe. A reinforcing layer 3 of canvas or like material may, as shown, be secured to the foundation layer 1 within the lip 2. The heel ends of the layers 1, 4 are left free for insertion of a clenching plate for the heel-attaching nails, and are then secured together. A filler of sponge rubber may be provided on the foundation layer 1.
Patent GB-148328-A (GB)
Title: Multiple-pressing-cold-press for the manufacture of rivets, screws and the like from wire by upsetting
IPC: B21K1/44
Filed: 1920-07-09
Abstract: 148,328. Kuhne, J. Feb. 2, 1918, [Convention date]. Bolts, studs, screws, rivets, and bolt-like pins. -A press for making rivets, screws, &c. from wire is arranged so that at will either a single die or a succession of dies act on each piece of work. The wire is fed by rollers 12, 13, Fig. 1 actuated by ratchet 18 and pawl 47, Fig. 2, and crank-pin 20 on the driving-shaft 2. A length is cut off and transferred to the fixed die 10 by a device 23 reciprocated by a pin 28, Fig. 3, and cam-slot 27 in a slide 26 reciprocated by a crank-pin 24. After heading by one of the dies 8, 9 on a transverse slide 4 of the head 3 reciprocated by the shaft 2, the blank is ejected by a rod 29 actuated by a cam 32, through a rod 33, gag 33<a>, and lever 31. When successive opention is desired, a oneway pawl 37, of a gear 35, Fig. 1, oscillated by a rack 36 on the slide 26, is put into operation so that it engages notches 39 and imparts a halfturn to a control shaft 34 during each return of the head 3. In one position of the shaft 34, cams 42, 58, 62 operate to stop the feed, cut-off, transfer, and ejecting-mechanism, while the first die 8 is held opposite the die 10. In the other position they allow the mechanism to operate and bring the second die 9 into position. The cam 42 simultaneously withdraws the gag 33<a> and raises a bow 46, Fig. 2, to hold the pawl 47 out of operation; while the cam 58, acting through levers 59, 61, Fig. 1, withdraws a catch 57 which normally holds a bar 54, Fig. 3, stationary so that the cross-slide 52 and plate 49 keep the position shown in Fig. 3; but when the catch 57 is withdrawn, a spring catch 55 moves the bar 54 to the left and a spring 53 moves the plate 49 as shown in Fig. 5, so that the cut-off 23 does not operate. The cam 62 acts through levers 63, 64 to reverse the position of the dies 8, 9. The machine may be modified so that three or more dies operate in succession.
Patent GB-738086-A (GB)
Title: Improvements in and relating to zinc phosphate luminescent materials
IPC: C09K11/71
Filed: 1952-08-12
Abstract: 738,086. Luminescent materials. GENERAL ELECTRIC CO. Aug. 12, 1952 [Aug. 30, 1951], No. 20257/52. Class 39 (1). Luminescent zinc orthophosphate is activated by 1-3 per cent manganese. Zinc acid phosphate (2 mols.), zinc oxide (1 mol.) or the equivalent amount of a compound yielding zinc oxide on heating, and a manganese compound, giving 1-3 per cent Mn, e.g. the phosphate, are fired in air at 800‹ C. for one hour. It can be used in lamps and cathode-ray tubes giving a red luminescence.