baber/WOPTO huggingface dataset:
Patent GB-557527-A (GB)
Title: Improvements in or relating to screw drivers
IPC: B23P19/06
Filed: 1942-05-19
Abstract: 557,527. Screwing-up screws ; spanners. KODAK, Ltd. May 19, 1942, No. 6813. Convention date, June 24, 1941. Addition to 543,497 and 548,655. [Class 83 (iii)] [Also in Group XXIII] The power driven spanner according to Specification 548,655 for use with screw sticks according to Specification 543,497, has means for automatically feeding the screw stick in the spanner. The body 1 of the spanner is mounted in roller bearings 2 in a sub-frame 5 that carries the motor 6 having a pinion driving a gear 9 in the spanner through an intermediate wheel 8. A frame 14, carried by means such as a bench, has bosses 13 in which are secured at 17, guide rods 10 engaging bushes 11, 15 in lugs in the sub-frame 5. An adapter 18 screwed in the lower end of the spindle has a box spanner nose secured at 20. The detent wire 27 is carried by the nose and the feed wire 28 is carried by the inner tube 22 that has an enlarged upper end 47. A spring 46 confined between the adapter 18 and the end of the enlarged part of the tube tends to maintain the tube in a raised position in which a cap 23 having bushed lugs 24 has the bushes held against stop nuts 26 on the guides 10. In the at rest position springs 45 between the bushes 11 and the bosses 13 maintain the nut 56, on the bush 21 in the spindle, in contact with the cap 23 both wires 27, 28 engaging the head of the first screw of the stick. A treadle is linked at 37 to a rock shaft 39 having arms 40 secured thereto and engaging lugs 12 on the frame 5. On depression of the treadle the frame 5 and spindle 1 are fed down alone until the bush 21 engages the shoulder 48. The wire 28 will then engage the head of the second screw the parts being in the position shown in Fig. 5. Further movement of the treadle causes the leading screw to enter the hole 34 and the resulting end pressure causes the spindle to move axially in its bearings sufficiently to relieve pressure on the spring 53 and allow a switch 52 to close, starting the motor. When the screw is home the stick twists off at the heck between the first and second screws and on releasing the treadle the spindle moves down in its bearings under spring pressure 49, again flexing the spring 53 to open the switch 52 and stop the motor. The frame 5, spindle 1 and inner tube 22 rise together till the bushes 25 contact the stops 26 after which the spindle 1 continues to rise until the nut 56 strikes the cap 33. During this part of the movement the wire 28 feeds the stick one screw length through the spanner nose bringing all the parts back to the starting position.
Patent GB-506207-A (GB)
Title: An improvement in or relating to shuttle box motions for looms for weaving
IPC: D03D49/24
Filed: 1938-03-05
Abstract: 506,207. Change-box motion.. BRITISH NORTHROP LOOM CO., Ltd., and HOLLINS, D. M. March 5, 1938, No. 6936. [Class 142 (iii)] In a drop-box motion of the type in which a mutilated gear b drives two mutilated pinions f having axially-slidable starting teeth g controlled from the pattern mechanism by clutch arms i, the latter are provided with pegs which enter the field of a scroll cam c rotating with the gear, when movement of the arms is initiated, to ensure complete and continued engagement of the teeth until the box-actuating cranks on the pinion shafts have completed their movements. Springs k disengage the teeth when the cam releases the pegs. The cam and gear receive their motion through a shearing-pin d.
Patent GB-353952-A (GB)
Title: Improvements in or relating to marine or like internally-fired steam boilers
IPC: F22B7/02
Filed: 1930-12-02
Abstract: 353,952. Water chambers in steam boiler flues. MALONE, T., 28, Charles Street, Heaton, Newcastle-on-Tyne. Dec. 2, 1930, No. 6937. [Class 123 (ii).] A cylindrical water chamber e is arranged across the furnace flue c of an internally fired boiler in the place of the firebridge and is connected with the water space of the boiler by inlet and outlet pipes f, h entering the chamber tangentially. The pipes may open directly into the water space behind the combustion chamber b, or they may pass through boiler backplate and open into the boiler water space through stop valves supported on the back of the boiler.
Patent GB-795323-A (GB)
Title: Carrier for land travel
IPC: B64F1/22
Filed: 1956-03-06
Abstract: 795,323. Hand trucks. STEINBOCK GES. March 6, 1956 [April 6, 1955], No. 6986/56. Class 108(1) A truck for aircraft comprises a telescopic chassis 8, 11 supported at its forward end by levers 16, 15 and wheels 2 and at its rear end on cantilever arms 69 and wheels. Hydraulic jacks 26 and 61 can be actuated to raise or lower the chassis so that an aircraft can be wheeled on to wheel-carriers 12, 51 and then raised for transporting. The carriers 51 may be detached from the positions shown in Fig. 4 and inserted between the pairs of road wheels thus enabling the extensions 38 and 39 to be pivoted to an out of use position. The rear wheel carriers 32, 33 are mounted on rams so that the lateral spacing of the carriers 51 can be varied.
Patent GB-868945-A (GB)
Title: Production of 4-methyl-1-pentene
IPC: C07C2/24
Filed: 1960-02-29
Abstract: 4-Methylpentene-1 is obtained by the dimerisation of propylene in the presence of potassium, rubidium or caesium at a temperature of at least 205 DEG C.  Suitable conditions are 205-350 DEG C., at least 5 atmospheres and 0,001-0,5 mole of alkali metal per mole of propylene. An inert solvent may be present e.g. benzene, naphthanes, paraffins, dialkyl ethers, alkylaryl ethers, ammonia and amines.  An organic promoter may also be present e.g. fused ring, polycyclic aromatic hydrocarbons, acetylenes, heterocyclic compounds containing nitrogen and 4 or 5 carbon atoms in the ring, carboxylic acids, ethers, nitrates, cyanides, halohydrocarbons, peroxy and azo compounds in amounts of 2-100 mol per cent. based on alkali meta; anthracene is preferred.  Specifications 857,894 and 858,040 are referred to.
Patent GB-972152-A (GB)
Title: Improvements in or relating to the preparation of uranium dioxide
Inventor: UKAJI ROKUO
IPC: G21C3/62
Filed: 1962-02-22
Abstract: Uranium dioxide is prepared by admixing in a vertical vortex, gaseous uranium hexafluoride, a gaseous reducing agent and excess steam at a temperature of 350-550 DEG  C. so that the solid uranium dioxide formed is separated at the bottom of the reaction zone from the reactants and any gaseous products of the reaction which are withdrawn at the top of the reaction zone.  The reducing agent may be hydrogen, ammonia or carbon dioxide.  The reaction may be carried out in an atmosphere of nitrogen or any other inert gas; 2-15 parts by weight of steam for each part by weight of reducing agent may be employed.  Apparatus employed is shown in the Figures where <PICT:0972152/C1/1> <PICT:0972152/C1/2> <PICT:0972152/C1/3> steam and reducing gas inlet pipe 5 and uranium hexafluoride inlet pipe 6 with openings 51 and 61 are opposite each other and enter tangentially into frusto conical reaction chamber 2 which has uranium dioxide discharge aperture 7 and gas exhaust pipe 9.  Fig. 3 shows a third gas inlet pipe 12 through which a reducing gas mixture may be admitted to the chamber, said mixture may be the same or different from that admitted through pipe 5.
Patent GB-970684-A (GB)
Title: 2-maleimidoethyl ester vulcanising agents and process
IPC: C08K5/3415
Filed: 1963-02-21
Abstract: The invention comprises compounds of formula <FORM:0970684/C1/1> in which X is -CH2CH2- or -CH=CH-, n is 1 or 2 and Z is H when n is 1 and Zn when n is 2. The half-esters may be prepared by the reaction of equimolar amounts of N-(2-hydroxymethyl) maleimide with maleic or succinic anhydride and the zinc salts by reacting the half-ester with zinc oxide.ALSO:Compounds of the formula <FORM:0970684/C3/1> in which -X- represents a a-CH2CH2- or a-CH= CH- radical, n is 1 or 2, and Z is H when n is 1 and Zn when n is 2 are used as vulcanizing agents for natural and synthetic rubbers having high olefinic unsaturation. The rubber is compounded in the conventional way with 0.25-6.0 parts by weight of the vulcanizer to 100 parts of rubber, together with conventional compounding agents such as carbon black or an oily plasticizer. Other vulcanizing agents or accelerating agents may also be present. Synthetic rubbers which may be so vulcanized include the homopolymers of aliphatic conjugated diolefin hydrocarbons and copolymers of such diolefins with monoolefinic compounds such as styrene, methylstyrenes, acrylic and methacrylic nitriles, amides, acids and esters, vinylidene chloride and unsaturated ketones. The synthetic rubbers may be either emulsion polymers or stereospecific homopolymers and copolymers as mentioned above. Examples are given of the vulcanization of a styrene-butadiene copolymer rubber.
Patent GB-1025544-A (GB)
Title: Improvements in and relating to fasteners
Inventor: KUTTLER OTTO
IPC: F16B37/04
Filed: 1964-02-20
Abstract: 1,025,544. Stud and socket fasteners A. V. RAYMOND, [trading as A. RAYMOND DURCKNOPF-UND METALLWARENFABRIK]. Feb. 20, 1964 [Feb. 23, 1963], No. 7153/64. Heading E2B. A fastener for attachment to an apertured panel 9 comprises a base 1, means for rotating the base relative to the aperture in the panel, a stop 3 projecting from the base and two or more lugs 2 projecting from the same surface of the base as the stop, wherein each lug includes a resilient flat tongue inclined at a small angle to the base and the arrangement of the lugs on the base is such that the base can be laid flat against the panel with the lugs projecting through the aperture and rotated so that the tongues engage the panel to prevent withdrawal of the lugs therefrom and wherein rotation of the base is limited by the engagement of the stop 3 against the rim of the aperture. An arm 4 extends at an angle from the opposite side of the base to the lugs and has a step adjacent the base plate. The fastener may be used to attach a resilient moulding 7, Fig. 8 (not shown), with a metal stiffening plate 9 to an apertured support panel 8. The step 5 clamps the arm 4 against the panel 8 with an abutment 6 on the base engaging the opposite edge of the aperture 11. The lugs 2 are passed through the aperture 10 in the stiffening plate and the fastener rotated so that the tongues engage behind the stiffening plate, the stop 3 snapping into the aperture 10 to prevent overturning. In other embodiments the aperture shape is varied and with it the positions and number of lugs used. In Fig. 6 (not shown), the aperture is hexagonal and three lugs are used.
Patent GB-725131-A (GB)
Title: Improvements in or relating to shuttering for use in building concrete structures
Inventor: JONES DAVID ARTHUR DARCY
IPC: E04G17/04
Filed: 1948-03-09
Abstract: 725,131. Shuttering for concrete structures. RAPID METAL DEVELOPMENTS, Ltd. April 9, 1949 [March 9, 1948], No. 7187/48. Class 20 (2). Metal shuttering comprises panels 1 having flanges 3 slotted to receive keys 5 to secure the panels together, keys 5 also engaging in slots in brackets 6 connecting the shuttering to the supporting scaffolding 2. The keys 5 are secured by wedges 9. The brackets 6 engage the scaffolding by holes or slots. Specifications 725,136, 725,137 and 725,138 are referred to.
Patent GB-965192-A (GB)
Title: Improvements in or relating to gears
IPC: C21D9/32
Filed: 1963-02-22
Abstract: A method of making hardened gears of austeno-martensitic stainless steel is charaterized in that a blank is completely hardened, then tempered, the gear teeth are then cut and the gear is finally heat treated.  Internally toothed annuli, internally or externally toothed annular helical gears, and bevel, spiral bevel or hypoid annular gears may be made by the method. An oversize blank of a stainless steel having 15-17% chromium, 3-4% nickel and 2.5-4% molybdenum and not more than 0.2% carbon is first prepared.  The blank is then hardened by heating for thirty minutes at 960  DEG C., cooling for two hours at -80  DEG C. and age hardening for two hours at 400  DEG C.  An additional tempering for two hours at 580-620  DEG C. is then carried out. The blank is then reduced on a lathe or grinding machine to the dimensions contemplated for cutting the teeth. The teeth are then cut by, for example, a Fellous machine.  The complete part is then given a hard chromium electrolytic plating of a thickness of from 0.00012-0.0002 inch. The gear is then heated for thirty minutes at 960  DEG C., cooled for two hours at -80  DEG C. and heated for two hours at 400  DEG C.  The part is then sand-blasted and the chromium plating removed electrolytically and a dehydrogenization treatment is carried out.  Grinding may then be carried out with a corresponding pinion and rectification of centres with respect to the teeth may be made. Final electrolytic polishing and passivation steps are then effected.
Patent GB-547693-A (GB)
Title: Improvements in the manufacture of hollow cylindrical articles
Filed: 1941-06-10
Abstract: 547,693. Paper tubes. LANE, W. C., and MEDWAY CORRUGATED PAPER CO., Ltd. June 10, 1941 No. 7354. Drawings to Specification. [Class 99 (ii)] In a method of making cylindrical tubes, such as sheaths for packing loaded shells, comprising an outer tube made by winding and glueing a sheet of paper and an inner tube similarly made, the last lap or a part of the last lap of the inner tube is left unglued, so that a part may be torn off to adjust it to fit the outer tube. The said part may be torn off on the slant, or the last lap may be on the slant before a portion is torn off, to leave the inner tube slightly tapered for insertion in the outer one. The unglued part may be glued before final insertion in the outer tube.
Patent GB-290779-A (GB)
Title: Method of operating steam power plants having high-pressure boilers
IPC: F01K3/20
Filed: 1927-03-16
Abstract: 290,779. Loffler, S, March 16, 1927. Hand gear.-In a steam power plant comprising high and low pressure boilers supplying steam to high and low pressure engines, the low pressure tubular boiler is heated by the high-pressure engine exhaust which passes into a condenser around the boiler, the admission of steam to the high and low pressure engines being varied by hand gear to adjust the pressures in the condenser and low pressure boiler. The reversing- lever 2-1, of the high-pressure cylinder of a compound engine is connected by a rod 26 to an adjustable nut 25 engaging with a screwed, adjusting-spindle 23. The reversing-lever 22 of the low-pressure cylinder is connected by a rod 27 to a threaded rod engaging a hollow spindle 28 rotatable by a hand wheel 29.
Patent GB-397943-A (GB)
Title: Improvements in spraying apparatus
IPC: B05B1/16
Filed: 1932-03-12
Abstract: 397,943. Spray-producers. FRENCH, A. W., Mysto Works, Ladywood, Birming- ham. March 12, 1932, No. 7392. [Class 69 (iii).] A nozzle for use with a syringe or hose pipe having two or more outlets controlled by a valve brought into operation bv the rotation of the hose or syringe is provided with one or more tubular chambers 7 mounted outside the closure member 5 of the hose nozzle or syringe and containing a ball valve 13 by which access to one or other of the outlets 10, 11 may be closed. In the form shown a single tube 7 provided with two outlets and one ball valve is described but in a modification three tubes arranged at 120‹ are described, each of which is provided with an outlet and valve. In each case the tubes are provided with a screw cap 8.
Patent GB-434535-A (GB)
Title: Improvements in or relating to line-spacing mechanism for typewriters, recording andadding machines, and the like
IPC: B41J19/84
Filed: 1934-03-08
Abstract: 434,535. Typewriters &c. UNDERWOOD ELLIOTT FISHER, Ltd., and COOPER, J. J., 120, Queen Victoria Street, London. March 8, 1934, No. 7415. [Class 100 (iv)] Line-spacing mechanism. In a typewriting or listing machine, the line-spacing movement is automatically varied at predetermined intervals by means of a lever which is operated by a cam rotating with the platen, and controls engagement of the line - spacing pawl with its ratchet - wheel. In the mechanism shown in the Figure, a linespacing pawl 13 on a rocking arm 16 cooperates with a ratchet-wheel 12 on the platenshaft 11, spacing being adjusted by means of a finger-lever 20 having a cam 21 co-operating with a roller 22 on the pawl. The finger-lever is now provided with a roller 24 co-operating with a cam 25 secured to the platen-shaft and formed with circular parts 27, 28, and diametrically opposite notches 30. Normally, the roller 24 rides on the cam-part 27 or 28, and the cam 21 permits single-line-spacing. After ten single line-spaces, the roller 24 drops into one of the notches 30, the cam 21 is displaced, and the pawl effects triple linespacing. The position and length of the notches are varied to alter the sequence of the multiple line-spaces. Specification 340,782 is referred to.
Patent GB-1254385-A (GB)
Title: Damping mechanism in a fluid damped measuring instrument
IPC: G01C19/38
Filed: 1970-02-10
Abstract: 1,254,385. Gyroscopic apparatus. TIMEX CORP. Feb. 16, 1970 [Feb. 24, 1969], No.7422/70. Heading G1C. An integrating gyroscope comprises an electrically driven rotor 26 mounted for rotation about an axis 27 in a sealed gas-filled shell 21 forming a gimbal itself rotatable about an axis defined by bearings 15, 29 in a liquid filled casing 10, the movement of the gimbal being damped by the provision of four movable paddles, as 51, carried by the shell 21 which together with four fixed paddles, as 46, carried by a plate 31 in the casing 10 define chambers which vary in size with movement of the movable paddles, the movement forcing liquid in these chambers, through parts, as 62, in the plate 31, each of the parts containing a tapered plunger projecting therethrough, as 39, Fig. 2, the plungers being carried by a plate 37 movable by a temperature compensating bellows 34, so as to control the effective aperture of the parts in accordance with temperature changes, thus allowing for variation in the damping characteristics which would otherwise result from changes in viscosity of the liquid in the casing 10. The bellows 34 is mounted at one end in the casing 10 in a reserve chamber communicating by way of the parts in the plate 31 with the damping chambers between the movable and fixed paddles. An annular chamber 42 is filled round the movable paddles on the shell 21 and this contains torques windings 43 which together with the fact that the symmetrically disposal fixed paddles are formed on permanent magnets provides a torquing arrangement for the gimbal. A microsyn pickoff is provided at the other end of the shell 21 by a magnetic member 18 on the shell, a laminated plate member 19 and coils 20. The gyroscope rotor is carried by support members 24, 25 inside the shell 21 which is preferably filled with helium, and the flotation and damping liquid for the shell 21 inside the casing 10 is perferably a silicone oil.
Patent GB-1386407-A (GB)
Title: Anchor for refractory lining
IPC: F27D1/14
Filed: 1971-03-22
Abstract: 1386407 Supporting furnace linings CAUSEWAY STEEL PRODUCTS Ltd 22 March 1972 [22 March 1971] 7518/71 Heading F4B A furnace wall comprises a refractory layer 32 and an insulating layer 34 secured to an outer shell 30 by one or more anchors each formed of a bracket 10 welded at 14 to the shell 30 and an anchor bar extending through holes 12 in the bracket and having divergent legs 24 embedded in the refractory 32. The anchors are made of heat resisting steel and its parts can move relative to one another to accomodate movements of the refractory. A modification (Figs. 5A, 5B) has an apertured block welded to the shell, the substantially U-shaped anchor bar having its base extending through a hole in said block. Another modification (Figs. 6A, 6B) has a V-shaped anchor bar extending through a hole in a plate welded to the shell.
Patent GB-164515-A (GB)
Title: Improvements in and relating to the form and attachment of revolving heel-pads
IPC: A43B21/433
Filed: 1920-03-13
Abstract: 164,515. Pinney, W. S. March 13, 1920. Protectors, securing.-Revoluble and detachable protectors are secured by a metal ring 2 with upstanding tongs 4 which are turned down inside a revoluble flanged metal plate 3. A flange 8 on the plate 3 rotates on a flange 10 on a foundation plate detachably fastened by snap fasteners 13, Fig. 3, to a fixed heel piece 12.
Patent GB-120175-A (GB)
Title: An Apparatus for Correcting Electric Impulses particularly applicable to Automatic Telephone Systems.
IPC: H04Q1/34
Filed: 1918-05-06
Abstract: 120,175. Automatic Telephone Manufacturing Co., and Tomlins, F. C., (Automatic Electric Co.). May 6, 1918. Automatic exchange systems.-Apparatus for correcting the character and rate of electric impulses, particularly such as are transmitted over long distance trunk lines, comprises an impulserepeating device which is operated by the incoming impulses during their reception to produce a corresponding number of impulses in an outgoing circuit, such impulses being correct in character and rate. In the form described, a ratchet-wheel 2, fed step by step by the armature of a magnet 1 responsive to the incoming impulses, is connected by a coiled spring 7 to a wheel 6, geared to a spindle 11 carrying a cam controlling impulse springs in the outgoing circuit. The spindle 11 is connected by worm gearing 14 to a speed governor 15. A pin 8 on the wheel 6 co-operates with a stop 9 on the ratchet-wheel, the arrangement being such that, when the ratchet-wheel and stop 9 are moved by the incoming impulses, the wheel 6 and pin 8 follow up this movement until the pin 8 engages the stop, the rotation of the spindle 11 transmitting impulses corresponding in number with those received by the magnet 1. This arrangement is suitable for use when the incoming impulses are received at too great a rate, for which purpose the impulse-generating device at the distant end of the trunk may be adjusted to operate slightly too quickly..In a modification in which the impulses may be received at a rate above or below the normal, the wheel 6 is prevented from following up the movement of the ratchet-wheel by a catch controlled by a magnet, which is energized to release the wheel 6 at a predetermined interval of time after the commencement of the incoming impulses. This time interval is obtained by a pair of slow-acting relays, one of which is energized upon the first incoming impulse and opens the circuit of the other relay.
Patent GB-928960-A (GB)
Title: An arrangement for the measurement of temperature, more especially of wires or the like, in a continuous process
IPC: G01K13/06
Filed: 1961-03-01
Abstract: 928,960. Measuring electrically. SIEMENSSCHUCKERTWERKE A.G. March 1, 1961 [March 1, 1960], No. 7563/61. Class 40 (1). In a thermo-electric device for measuring the temperature of a moving strip, rollers 2, 3, and 4, are arranged in contact with the strip 1, roller 3 being of a material generating a high thermal E.M.F. with the material of the strip whilst rollers 2 and 4 are of material which generates a low thermal E.M.F. with the material of the strip. The rollers are connected into a bridge circuit with voltmeter 5 connected across a diagonal between roller 3 and the junction of the resistances formed by wires connected between roller 2 and junction 6 and roller 4 and junction 6, the other two arms of the bridge being formed by the resistances between roller 3 and the rollers 2 and 4 via the strip. The arrangement is said to eliminate errors due to extraneous current flow along the length of the strip 1.