baber/WOPTO huggingface dataset:
Patent GB-755357-A (GB)
Title: Improvements in or relating to crankshaft pin hardening machine
IPC: C21D9/30
Filed: 1954-05-05
Abstract: 755,357. Heat treating crankshafts. CINCINNATI MILLING MACHINE CO. May 5, 1954 [May 22, 1953], No. 13097/54. Class 72. A machine for heat treating the pins of crankshafts comprises a plurality of bifurcated burners having slots for receiving the pins, means for supporting the burners and moving them in a circle of radius equal to that of the throw of the crankpins, means to position and rotate the shafts in synchronisation with the burners and to move the pins into the heating zones of the burners. As shown, applied to a machine carrying three crankshafts, each shaft 40 is held between intermittently rotating drums 30, 31 by a driving member in drum 30 and a tailstock in drum 31. The driving member is actuated during the heating cycle by a one-tooth clutch. The drums are mounted on a slide above a quenching tank 20 and are arranged so that they may be moved to allow the crankpins to enter burners 46, 49 supported on a bracket 45 and driven in synchronisation with the rotation of the crankpins. A temperature sensitive device controls the duration of heating and shuts off the burners when the temperature of the pins reaches a predetermined value, and at the same time causes the shaft to be released from the drums 30, 31 and delivered to a device supporting and rotating it during quenching. After quenching the shaft is delivered to the rear of the machine by a belt conveyer. The drums have three positions, loading, heating and quenching, and in the embodiment shown one shaft is in each position. Indexing may be automatic or manually controlled and the Specification includes an electric circuit for operating the machine.
Patent GB-671396-A (GB)
Title: Improvements in gas-turbine power plant
IPC: F01D15/12
Filed: 1949-05-17
Abstract: 671,396. Gas turbines. FEILDEN, G. B. R., and RUSTON & HORNSBY, Ltd. May 17, 1950 [May 17, 1949], No. 13129/49. Class 110 (iii) [Also in Groups XXIV and XXXIV] A gas turbine plant comprises axially-spaced i n d e p e n dent structures mounted on a baseplate 10, wherein one structure supports the stator 38 of the turbine whilst the other structure 11 houses a reduction gearing and supports the turbine rotor 31, 32 which is connected to the gearing by a shaft 25 supported in a snout-like extension 11c of the housing 11 from which the rotor is overhung. The stator casing structure comprises a pair of supports 12, 13 which have flat-faced keys 41 adapted to engage dowels 43 secured to the stator ring 38. The stator ring has a lug 44 engaged by a fork 45 secured to the structure 12 and is axially located by tie rods (not shown). The medium planes of the lugs, which are parallel to and equidistant from the flat faces 41a thereof, intersect the axis of rotation at an obtuse angle.
Patent GB-131801-A (GB)
IPC: F24C13/00
Abstract: 131,801. Dilley, R., and Dilley, A. Nov. 30, 1918. Gas cooking-stoves.-The sides, top and bottom, and it may be also the back, are provided with a water and steam jacket, the bottom being perforated at e to allow heat from the single burner f to enter the oven as well as to heat the water in the jacket. Cooking vessels j placed over apertures in the top are heated by steam from the jacket, the actual container p being, if desired, supported within an outer casing. A tray k with outlet l catches the dirty condensation water. The central aperture e is much larger than the others, and a cooking vessel may be placed over it to be heated directly by the burner; it may also have an asbestos or like cover. An additional burner may be fitted inside the oven.
Patent GB-974158-A (GB)
Title: Chuck
IPC: A61C1/14
Filed: 1963-04-03
Abstract: 974,158. Dental handpieces. ERICKSON TOOL CO. April 3, 1963 [Dec. 14, 1962], No. 13212/63. Heading A5R. A dental chuck or handpiece comprises a housing 18 in which is journalled a drive-shaft 1, a collet holder 5 mounted on said drive-shaft for rotation therewith, a collet 6 secured to holder 5 and slotted to form fingers 12 which can be radially contracted or expanded to grip or release a tool, a collet actuator 8 axially reciprooable on holder 5 and collet 6 and coasting with collet 6 for causing radial contraction and expansion of said fingers 12, and a sleeve 14 surrounding said collet actuator 8 by which said chuck is adapted to be held, said sleeve 14 having frictional engagement with said housing 18 to allow rotation of said shaft 1, holder 5, collet 6 and actuator 8 within the sleeve 14. The actuator 8 is biased by spring 10 to effect contraction of collet fingers 12. Spring 15 urges sleeve 14 such that sleeve collar 16 is in contact with shoulder 17 of housing 18. To remove or insert a tool in bore 9 of collet 6 the sleeve 14 is pushed against the action of spring 15 which results in sleeve shoulder 19 contacting the actuator 8 and tapered bore 11 becoming disengaged from tapered outer surface 7 of collet 6 and hence the fingers 12 move radially outwards. The tool is inserted or removed, pressure on sleeve 14 is released, and the various parts are returned to their original positions by springs 10 and 15.
Patent GB-429450-A (GB)
Title: Improvements relating to ground ropes for trawl nets
IPC: A01K75/06
Filed: 1934-05-02
Abstract: A ground rope roller comprises a series of discs cut from the outer covers of motor tyres.  The discs are threaded upon the usual wire core of the ground rope and wired or bolted together. Alternatively the discs are mounted upon short rods which are bolted together to form the ground rope.
Patent GB-132922-A (GB)
IPC: A61F2/64
Abstract: 132,922. Blatchford, W. A. Oct. 30, 1918. Limbs, artificial. - Comprises a const:ruction of apparatus for operating knee-joints. A horizontal bar a, secured to the leg at diametrically opposite points, is connected rigidly to an upwardlyextending arm c having a split or two-part upper end clamped round the knee-joint pivot h. A second arm k, rigidly secured to the arm c, extends upwards in front of the pivot and carries a roller l for engaging the usual operating harness. A stop o limits the extent of the forward movement of the leg. In the illustrated construction, the bolts perform the double function of fixing the arm k and clamping the arm c to the pivot, but this arrangement is not essential. The apparatus may be used with the means described in Specification 123,831 for locking the leg in the straight-line position.
Patent GB-1280263-A (GB)
Title: Brake control valve apparatus
Inventor: PAGINTON PHILIP NORMAN
IPC: B60T15/30
Filed: 1970-03-19
Abstract: 1280263 Brake control valve apparatus WESTINGHOUSE BRAKE & SIGNAL CO Ltd 19 April 1971 [19 March 1970] 13301/70 Heading F2F A fluid operable brake control valve apparatus has brake cylinder inlet and exhaust valves 18, 17 respectively, for controlling the supply of pressure fluid into and out of the brake cylinder, the valves being operable by a pressure responsive member 13 on response to pressure applied to a brake pipe 1. A quick service bulb inlet valve 15, 20 is provided by which the brake pipe 1 may be connected to a quick service bulb capacity 28 and also a bulb exhaust valve 16, 21 by which the quick service bulb capacity 28 is ventable. The bulb inlet and exhaust valves are operable by the member 13, the bulb inlet valve being operable to effect a discharge of brake pipe pressure into the bulb capacity 28 during movement of the member 13 in a first direction in which the opening of the brake cylinder inlet valve 18 takes place. Means are provided for causing closure of the bulb inlet valve 15, 20 to be effected during movement of the member 13 in a second direction in which opening of the brake cylinder exhaust valve takes place, the closure of the bulb inlet valve 15, 20 being at a position of the member 13 in advance of the position in which the opening of the bulb inlet valve is effected during movement of the member in the first direction, and for effecting closure and opening respectively of the bulb inlet and exhaust valves in that order during movement of the member in the second direction. In the construction shown members 15, 16 of the bulb inlet valve and bulb exhaust valve respectively are connected to one another and co-operate with movable seats 20, 21, the seat 20 being connected to a piston 25 which is open to pressure in the bulb capacity 28 so that the position of the seat is variable with the pressure in the bulb capacity. The piston 25 forms the above mentioned means and the upper face thereof may be vented to atmosphere or connected to the brake pipe (Fig. 2, not shown). Ports 31, 32 are provided and connected to an auxiliary reservoir by means of the pressure in which the brakes are applied and an accelerated release reservoir respectively. A member 14 of an accelerated release reservoir valve is actuated by the member 13. The accelerated release reservoir is connected to the brake pipe 1 on venting of the brakes through a valve 39, which is actuated by fluid passing out of the brakes acting on a member 40.
Patent GB-475047-A (GB)
Title: Improvements in or relating to electron discharge devices
IPC: H01J31/52
Filed: 1936-05-11
Abstract: 475,047. Cathode-ray tubes. BAIRD TELEVISION, Ltd., JONES, V., and WILLANS, P. W. May 11, 1936, No. 13302. [Class 39 (i)] A discharge tube has a storage grid and an equipotential grid which is parallel and in close proximity to the storage grid and is at a high potential with respect to the cathode, and a wide homogeneous electron beam is adapted to pass through both grids and be modulated to a varying extent over its cross-section by the storage grid, the modulating potentials on the various elements of which vary in accordance with an electron or optical image. The mosaic elements of the storage grid may be photo-electrically or photoconductively or photo-voltaically active. Means may be provided for discharging the potentials on the mosaic elements.. The elements may be mounted through high-resistance material on a conductor, the potential of which extinguishes the electron beam when the storage grid is not illuminated. Alternatively, an intermittent or continuous electron beam may be used. The storage grid may be negatively biassed with respect to the cathode, but when it is photo-voltaically active it may be at a small positive potential. The storage grid may not be light-sensitive and the potentials thereon are then generated by impinging electrons produced by a photo-cathode, on which the image is projected, or by a scanning cathoderay modulated by television &c. signals. The mosaic elements may be charged positively due to secondary emission or negatively. The scanning ray may impinge on an auxiliary electrode, electrons from which are accelerated and focused on to the storage electrode. In one form, an image 1, Fig. 1, is focused on to a storage grid 3 which controls a homogeneous beam generated from a plane cathode 4 which may be indirectly-heated or photo-electric. The beam passes through the equipotential grid 6 to the fluorescent screen 5. The grid 6 may be on either side or on both sides of the storage grid. Electric or magnetic focusing and accelerating means may be provided between the electrodes 3, 4 and 5, 6. In another form, an image 2, Fig. 2, is focused onto a photocathode 7 from which electrons are focused on to the storage grid 3. In a further form, the storage grid is scanned by a modulated beam from a gun 8, Fig. 3, which may be on either side of the grid 3 or arranged so that the beam passes through an aperture in the cathode 4. The invention may be applied to iconoscopes or image dissectors.
Patent GB-133106-A (GB)
IPC: C01C3/00
Abstract: 133,106. Stutz, C. C. March 13, 1918. Cyanamides and cyanides. - Apparatus for treating solids with gases or vapours, for instance for treating carbides with nitrogen, consists of a number of trays 5 the bottoms of which are removable and are perforated as at 7<1> and may be covered with gauze or the like 9, and are provided with spacing-means 11 integral with the trays and lying wholly within the pile when the trays are placed one above another in the treating- chamber, which, as shown in Fig. 2, may be the heating chamber of a furnace of known form. The sides of the trays may also be perforated, as at 10, and the gauze &c. 9 may extend up the sides. Trunnions 12 are provided on the trays for lowering them into position, and similar trunnions may be provided on the cover of the heating- .chamber. Means may be provided for temporarily securing the trays together for insertion into, and removal from, the chamber. The gas or vapour is admitted by a perforated pipe 17 extending along the bottom of the chamber. Specifications 106,549 and 108,915, [both in Class 34 (ii), Drying systems &c.], are referred to. Reference has been directed by the Comptroller to Specification 119,156, [Class 34 (ii), Drying systems &c.]. 60
Patent GB-133388-A (GB)
IPC: B62D55/10
Abstract: 133,388. Caterpillar Tractors, Ltd., (Holt Manufacturing Co.). Aug. 13, 1918. Endless-track vehicles.-The driving-mechanism of endless-track tractors is arranged in a removable casing which is carried to the rear on depending offset frame members. The casing has a removable cover which carries the members of the change-speed gear. The frame consists of a casting and has depending arms 14 connected by a cross-member 14a. The gear-box A rests to the rear on the member 14a and is provided with flanges 19 which rest on the rear ends 19<a> of the frame members 11. The bearings for the rear axle are formed at 15, 15<a>. The change-speed gear comprises movable gear-wheels 30<a>, 32 on a countershaft 33 meshing with gears on the main shaft, which is in line with the engine shaft 27, and both the main shaft and countershaft 33 are carried by the cover 17<a> of the gear-box. The tractor is driven through friction clutches mounted on the shaft 18<a> and spur gearing on a shaft carried in sleeves 23. Specification 133,386 is referred to.
Patent GB-762614-A (GB)
Title: Improvements in or relating to travelling hoists or cranes
IPC: H02K7/12
Filed: 1954-05-07
Abstract: 762,614. Vehicle driving gear. CLAYTON CRANE & HOIST CO., Ltd., and ROBERTS, L. May 3, 1955 [May 7, 1954], No. 13339/54. Classes 79(1) and 79(2). [Also in Groups XXIV and XXX] The drive to the traversing mechanism of an overhead crane from a motor on the crab is through a centrifugal clutch 24 housed within a flywheel 20 on the output shaft. As illustrated the clutch 24 is of the kind known under the Registered Trade Mark "Twiflex" and drives the traversing mechanism through gearing 30, 31, 32. The motor 10 has a tapered armature 17 to provide axial movement of its shaft 14 against the bias of a spring 18 so moving the flywheel 20, which is held against axial movement on the shaft 14, to engage and disengage a braking surface 34. As illustrated the motor housing 11 is closed at one end by the end plate 15a of the clutch housing 15 but the end plate 15a may be a separate casting to facilitate dismantling.
Patent GB-854960-A (GB)
Title: New and useful lubricant compositions
Inventor: BRIMLEY KENNETH JOHN
Filed: 1958-04-28
Abstract: A grease composition comprises one or more liquid lubricants as defined below and, as a thickener therefor, a minor proportion of a silica (of particle size not greater than 100 mm ) which has previously been treated with a cyclic organopolysiloxane.  The liquid lubricants employed are liquids of viscosity not greater than 5000 cs. at 100 DEG C., having lubricating properties, and selected from mineral oils, halogenated paraffins, liquid organopolysiloxanes and polyglycols.  The treated silica may be prepared by heating together in a closed system the silica and the cyclic organopolysiloxane, for example at temperatures up to 250 DEG C.  The grease composition may also contain stabilizers (e.g. triethylene glycol, succinic acid or mannitol), antioxidants or viscosity index improvers.  In the examples, fume silica is mixed with octamethylcyclotetrasiloxane and stored at 25 DEG C. for 6 weeks.  The treated silica is then used to thicken trimethylsilyl end-blocked dimethylpolysiloxane, trimethylsilyl end-blocked polymethylphenylsiloxane or trimethylsilyl end-blocked polychlorphenylmethylsiloxane.  The effect is described of replacing the treated silica with untreated silica or with silica which has been esterified on the surface with butanol.
Patent GB-133764-A (GB)
IPC: D05B71/00
Abstract: 133,764. Fairweather, W., (Singer Manufacturing Co.). Oct. 15, 1918. Channels in sewing-machines.-To lubricate the bobbin-case raceway of a sewing-machine in which the loop-taker operates at high speed, as described in Specification 133,762, the raceway 2 in the rotary loop-taker which engages a guiderib 3 on the stationary bobbin-case 4, is supplied with oil by one or more ducts 7 leading from a chamber 9 containing absorbent material. The oil is supplied through the bed-plate at 18 and passes through passages in a bush 15, a rotating shaft 6, and one of the radial arms 5 supporting the loop-taker. Oil may also be supplied through the open end of the chamber 9. The distribution of the oil is aided by centrifugal force when the machine is in operation.
Patent GB-1291637-A (GB)
Title: High-molecular weight derivative of 2-dimethyl amino ethyl ester of n-butyl amino benzoic acid and a method for the preparation thereof
Inventor: KASHKINA NADEZHDA ALEXANDROVNA
IPC: C07C229/60
Filed: 1970-03-19
Abstract: 1291637 Anaesthetic composition INSTITUT KHIMII DREVESINY AKADEMII NAUK LATVIISKOI SSR and RIZHSKY MEDITSINSKY INSTITUT 19 March 1970 [31 March 1969] 13383/70 Heading ASB [Also in Division C3] An anaesthetic preparation which is claimed comprises as an active constituent, a novel high molecular weight compound of the formula: wherein m is a degree of substitution of 5-12 mole percent and n is a degree of polymerisation of from 60-100%, and a pharmaceutically acceptable carrier. The preferred high molecular weight compound is prepared by reacting carboxymethylated polyvinyl alcohol with the 2-dimethyl amino ethyl ester of n-butylamino benzoic acid. The specification discloses a sterile aqueous solution of the above preferred anaesthetic compound.
Patent GB-842119-A (GB)
Title: Improvements in or relating to fluid control valves
IPC: F16K21/20
Filed: 1957-04-26
Abstract: 842,119. Dispensing liquids. LIQUID CONTROLS CORPORATION. April 26, 1957 [May 3, 1956], No. 13408/57. Class 116 [Also in Groups XVII and XXIX] An apparatus for controlling the flow of liquid into a container comprises a valve member movable between a closed position and an open position and normally urged towards the closed position, means for moving the valve member to the open position, means responsive solely to the flow of liquid through the apparatus for holding the valve member in the open position and means disposed in the container being filled and responsive to liquid level for releasing the valve member when the liquid level reaches a pre-determined position. The valve member 50 forms with the cylindrical portion 40 of the valve seat member 30 and a cup shaped member 68 two chambers divided by the horizontal wall 52 of the valve member, the chambers being sealed by seals 61 and 71. A spring 72 urges the valve member towards the closed position to seat on a resilient 'O' ring 55. The upper or "holding" chamber 70 is provided with a passage 81 which leads to the throat of a Venturi 86 in the outlet chamber 23. The lower or "releasing" chamber 60 is provided with a passage 90 leading to the throat of the same Venturi. A small spoiler orifice 95 extends from the bore 91 to the exterior of the chamber 23. The valve is opened by operating the lever 79 clockwise to raise the valve member 50 against the spring 72. Fluid from the inlet 20 then flows through the exposed ports 41 in the valve seat member 30 into the outlet chamber 23. The Vacuum created at the throat of the Venturi 86 due to the flow of liquid is felt in the chamber 70. The chamber 60 is, however, maintained at atmospheric pressure due to the spoiler orifice 95. The resultant pressure difference across the wall 52 of the valve member is sufficient to hold it in the open position. On the liquid level rising to close the spoiler orifice 95 the chamber 60 is then reduced to the same pressure as the chamber 70 and the valve member closes the action of the spring 72.
Patent GB-1023922-A (GB)
Title: Improvements in or relating to control valve devices for hydraulic rams
Inventor: LIMBRICK JOHN ERNEST
IPC: G05D16/10
Filed: 1961-04-14
Abstract: 1,023,922. Tractor power-lift mechanisms. PLESSEY CO. Ltd. May 31, 1962 [April 14, 1961], No. 13470/61. Heading A1P. [Also in Division G3] A control valve device for the supply of liquid from a constant rate source 32 to a hydraulic ram cylinder 1 comprises a valve element 6 adapted to open, when moved from its neutral position, a metering aperture for the flow to or from the cylinder in such manner that the aperture increases progressively with the displacement of the valve, and a spring loaded flow valve 20 controlling a variable aperture 21 determining a return flow for excess fluid supplied, the flow valve being acted upon in such manner by the pressure drop in the variable aperture of the control valve as to keep the pressure drop constant by variation of the return flow. In the preferred embodiment, the ram operates the lift arm 41 of a tractor and has a feedback connection with the valve 6 through a cam 36 and a floating lever 38 which is also controlled manually by a lever 34 and a draught measuring element 37. When the valve 6 is moved in the direction of arrow 17, fluid from a positive-displacement pump 32 flows past a tapered portion 15 constituting the metering aperture of the valve 6 into a line 13 supplying the ram through a non-return valve 18, a selector valve 19 and a line 43. The pressure drop across the aperture is applied to opposite sides of the valve 20 which thus positions itself to keep the pressure drop constant by varying the opening of ports 21 to a return line 22. To prevent the pressure on the valve 20 rising unduly after the ram has reached the end of its stroke a relief valve 26 is provided to cause the pressure drop across a restriction 25 to open the valve 20 fully. A temperature responsive valve 40 may also cause the valve 20 to open to reduce the system pressure when the fluid temperature rises unduly. When movement of the valve 6 in the direction opposite to that indicated by the arrow 17 permits the ram to discharge through line 14 into the space between one end of a recess 12 and the tapered end of valve 6 a second spring-loaded flow valve 28 keeps the pressure drop in the valve 6 constant. The valve 19 permits an external service port 45 to be connected to the pump 32 or to exhaust.
Patent GB-135120-A (GB)
IPC: B21D53/48
Abstract: 135,120. Crevoisier, F. G. April 30, 1919. Fastenings.-Press buttons are ejected from the matrices b in a rotating table in which they are finished by a hollow piston c in each matrix b and a relatively movable spring-controlled rod e in each piston. The piston has its lower end closed by a nut d having grooves d<1> adapted to be engaged by rails i which cause the piston to push the button out of the matrix b and then hold it while a fixed cam g<1> causes the rod e to lift the button as the table a rotates so that it is received by plates h and conducted away by an incline g<2>.