baber/WOPTO huggingface dataset:
Patent GB-540655-A (GB)
Title: Improvements relating to compressed air intensifiers
IPC: B22D17/32
Filed: 1940-08-21
Abstract: 540,655. Compressed air intensifiers ; casting metals. E.M.B. CO., Ltd., and CADBURY, G. N. Aug. 21, 1940, No. 13300. Addition to 534,282. [Class 8 (i)] [Also in Group XXII] Air under pressure is admitted by a pipe j to operate a ram a, b, the smaller end b of which is thus caused to compress a further portion of compressed air from the same source in a cylinder d. At a certain pressure the further compressed air lifts a valve x, against an adjustable spring, and passes through a pipe t to a die-casting or other machine. The supply of air to the ram part a and its exhaust to atmosphere are effected by valves e, f operated by a lever h which is connected by a rod w to a second lever operating valves p, q which alternatively connect the pipe t to the high pressure cylinder d or to atmosphere in synchronism with the valves e, f. During the first part of the compression stroke, air is admitted by a byepass 10 with choking, regulating and stop valves from the pipe j to the pipe t. Adjustable reducing and choke valves 8, 9 may be provided in the supply pipe i.
Patent GB-621211-A (GB)
Title: Improvements in or relating to the extrusion of strips or ribbons from thermoplastic materials
IPC: B29C48/08
Filed: 1946-05-02
Abstract: A strip of thermoplastic material made by extruding a tube which is split open by a knife is polished by heated pressure rollers as it passes over flattening rollers.  The strip passes over two heated rollers in succession.  The first roller has adjustable counter-balancing weights.  The strip passes finally past a cooling blast and between drawing rollers.  Specification 614,447 is referred to.
Patent GB-791368-A (GB)
Title: Improvements in rock drill steel grinders
IPC: B24B3/33
Filed: 1956-05-01
Abstract: 791,368. Grinding drills. ATLAS COPCO AKTIEBOLAG. May 1, 1956 [May 9, 1955], No. 13411/56. Class 60. A machine for grinding a rock drill 26 comprises a device 31 for holding the drill, a rotary grinding wheel 15 in a carrier which is mounted for swinging movement about an axis parallel to the axis of rotation of the grindirig wheel so that the peripheral surface of the latter operates on the drill, and means for reciprocating the grinding wheel in the direction of these axes upon swinging the carrier about its swinging axis. The drill is clamped by the eccentric portion 38 of a hand lever 35 on the bed portions 40, 41 of a support 31 which is mounted for adjustment about a pivot 32 on a member 28 arranged for slidable adjustment on a fixed bracket 27 by a hand-operated screw 30 ; the support is fixed in its adjusted position on the pivot 32 by a bolt 34 engaging an arcuate slot 33 in the support. The shaft 13 of the grinding wheel is rotatably mounted in bearings at the end of a carrier 11 which is arranged for slidable adjustment in a direction transverse to the shaft 13 on a collar 9 fixed on a shaft 8 disposed parallel to the shaft 13 in bearing brackets 4, 5 ; adjustment of the carrier 11 is by a hand-operated screw 20 rotatable in a lug 21 on the collar and screw-threaded in a lug 23 on the carrier, a stop 24 setting the minimum distance apart of the shafts 8, 13 and a spring 25 permitting a limited extension of this distance. In order that the shaft 8 may both rotate and reciprocate axially, it is mounted at the bearing bracket 5 in a sleeve 43, Fig. 3, which has a pin 46 engaging a continuous slot 45 shaped as shown in the shaft and is so connected by two oppositely-acting one-way clutches to the shaft and bracket, respectively, that rotation of the shaft in one direction results in the shaft and sleeve rotating together without axial reciprocation of the shaft, and in the opposite direction results in the sleeve being fixed to the bracket and the shaft both rotating and reciprocating. In operation, the drill 26 is clamped in the support 31 so that an end face 60 engages a finger 39 on the support 31 so that an end face 60 engages a finger 39 on the support, the screw 20 is adjusted to bring the rotating grinding wheel into contact with the end face 62 of the drill, and the grinding wheel is then swung by hand in opposite directions about the axis of the shaft 8 while, at the same time, the screw 20 is turned to apply feed ; the opposite movements of the shaft 8 result in the sleeve 43 being alternately released from and coupled to the bracket 5 and the shaft reciprocated. If desired, the pin 46 and slot 45 may be arranged on the shaft 8 and sleeve 43, respectively, and the support 31 may be formed integrally with either the bracket 27 or slide 28. The grinding wheel 15 may be driven from an electric motor through a flexible shaft 19, Fig. 1, or, alternatively, a standard electric or compressed air grinder 63 may, as shown, in Fig. 5, be mounted on a clamp 65 on the end portion of the carrier 11.
Patent GB-167839-A (GB)
Title: Improvements connected with safety razors
IPC: B26B21/16
Filed: 1920-05-15
Abstract: 167,839. Watt, J. A. D. May 15, 1920. Razors, safety. The blade or blade-holder 7 is pivotally mounted in the frame 6 and is locked in any desired position by a screw 9<a> having a conicallypointed end 9 engaging a similarly - shaped aperture in the blade &c. The other side of the blade &c. is mounted on a conically-point-ed plug 8 engaging a similar recess therein. According to the Provisional Specification, a pair of conicallypointed screws having milled heads are provided, one at each side of the blade or holder.
Patent GB-351652-A (GB)
Title: Improvements in and connected with seat sticks
IPC: A45B5/00
Filed: 1930-05-01
Abstract: 351,652. Seat sticks. PATTERSON, J. and STONE, J. O., Crichton Works, Frederick Street, and DEAYMAN, C., 26A, Stafford Street, both in Walsall, Staffordshire. May 1, 1930, No. 13503. [Class 52 (ii).] The usual disc 6 is detachable and is carried in its out of use position on a knob 8 at the top of the stick, the method of securing to the knob being the same as that used for securing the disc on the ferrule. A spring 16, movable in a recess 18 in a boss 15 and pivoted at 17, is pressed out to leave the central hole 14 clear and, on release, engages in a groove, e.g. 10.
Patent GB-135287-A (GB)
IPC: F01P7/10
Abstract: 135,287. Tregoning, E. Nov. 19, 1918. Cooling gases.-Relates to radiators of motor-cars provided with thermostatically-operated shutters regulating the passage of air thereto, and consists of electro-magnetically controlled and operated means for moving the shutters in which current for the magnets is cut off after the desired movement of the shutter is effected. The shutters s are mounted on vertical shafts p provided with cranks d connected by a link I, Fig. 2, one of the shafts being arranged to be rocked by a link N connected to a second crank P thereon, and to a bell-crank lever 0 secured to a vertically-moving rod K, Fig. 6. Secured to the rod K is a heavy laminated horseshoe armature U the weight of which serves to move the shutters in one direction. Normally, the rod K, after being raised by the magnets M, is held in this position by the engagement with a block 27 thereon of a catch-piece 30 carried by the pivoted spring-retracted armature 12 of magnets W. In the position shown, a switch 41, 42 in the circuit of the magnets M is held open by the block 27 pressing upon a member 43, Fig. 7, which forces them apart, and a switch 46 is closed by a pin 56 on the rod K and insulated therefrom. Fall in the temperature of the radiator causes the thermostat to close the circuit of the magnets W, thereby attracting the armature and withdrawing the catch 30 from the block 27. Downward movement of the rod K under the weight of the armature U closes the shutters, breaks the circuit of the magnets W and allows the switch 41, 42 in the circuit of the magnets M to close, so that, should the temperature rise above the desired limit, the magnet would be energized. The catch-pieces are provided with bevelled faces 26, 30 to allow the upward movement due to this. The connexions of the apparatus are so arranged that, while the thermostat arm is oscillating between the high and low temperature contacts, the battery energizing the magnets is not in circuit, thereby preventing wastage of current.
Patent GB-1109032-A (GB)
Title: Apparatus for use in determining the oxygen content of molten metal
IPC: G01N27/411
Filed: 1966-03-28
Abstract: 1,109,032. Measuring oxygen content electrically. GESELLSCHAFT ZUR FORDERUNG DER EISENHUTTEN TECHNIK M. b. H. March 28, 1966 [April 8, 1965], No. 13558/66. Heading G1N. A galvanic cell with which the oxygen content of a molten metal is determined consists essentially of a gas impermeable tubular container 1, Fig. 1, the whole or part of which is formed of stabilized zirconium oxide, which is permeable to oxygen ions, covered on the outside by a layer 5 of gas permeable stabilized zirconium oxide and with a deposit 2 of gas permeable stabilized zirconium oxide in the inside. A reference gas of known oxygen content, e.g. air, is supplied to the inside of the container through pipe 8 and the whole is immersed in the molten metal whose oxygen content is to be measured. The EMF generated by the cell, produced because the two layers 2, 5 of zirconium oxide absorb oxygen to different degrees because of the different oxygen contents of the air and metal, is measured across electrodes 3' and 6, or 3' and (11), Fig. 2 (not shown), by a valve voltmeter 7 to give an indication of the oxygen content of the metal. The external electrode may either be embedded in the outer layer of zirconium oxide, as in Fig. 1, or may be suspended in the molten metal, Figs. 2, 3 (not shown), from the side of a metal extension (10) of the cell, a further terminal on this extension providing connection to the voltmeter 7. It may be made of a metal-ceramic mixture, e. g. cermets of zirconium oxide with niobium or vanadium or zirconium boride with other high melting carbides or nitrides, or it may be a water-cooled doublewalled copper tube. The inner electrode 3', which is embedded in the zirconium oxide deposit 2, also forms one lead of a thermocouple junction T, embedded in the layer 2, the EMF measured across leads 3, 3' by a millivoltmeter 4 simultaneously giving an indication of the temperature of the molten metal. To permit a rapid changing of the cell, spring metal blades (14) Fig. 3 (not shown), may be provided on the container 1, providing electrical connections between leads 3, 3' and contacts (15) for the voltmeters in a ceramic plug (16). A radiation shield (24) of hard asbestos over which a metal hood (25) can be pushed may be provided to protect the cell if it is to be introduced into the molten metal through a layer of slag. In a further embodiment, Fig. 4 (not shown), the cell comprises a gas impervious tube (26) e. g. of quartz or sillimanite, the end of the tube being closed by a plug (27) of gas impervious stabilized zirconium oxide with inner and outer layers (28, 29) of gas permeable stabilized zirconium oxide. A thermocouple junction T is embedded in the inner layer as before, one of its leads providing the inner electrode, the outer electrode being again suspended in the molten metal.
Patent GB-939928-A (GB)
Title: A process for high temperature lubrication
IPC: B21C23/32
Filed: 1961-04-14
Abstract: A process for high temperature lubrication comprises applying to the surface an oil- and grease-free aqueous solution of an alkali metal phosphate and a viscously soluble potassium polyphosphate, drying the solution and melting the residue. Preferred proportions of the melt in per cent by weight are P2O5, 55-69; Na2O 14-35; K2O, 5-27; 1 to 10% of the sodium and/or potassium can be replaced by e.g. magnesium, manganese or zinc.ALSO:High-temperature lubrication of e.g. seamless steel tubes comprises applying to their surfaces an oil- and grease-free aqueous solution of one or more alkali metal phosphates and a viscously soluble potassium polyphosphate, drying the solution and melting the residue.  Preferred proportions of the melt in per cent by weight are:  .P2O5..........55-69 .Na2O..........14-35 .K2O..........5-27  1 to 10% of the sodium and/or potassium can be replaced by divalent metals, e.g. Zn, Mg or Mu. p
Patent GB-740815-A (GB)
Title: Improvements in or relating to priming devices for centrifugal and like pumps
IPC: F04D9/00
Filed: 1952-05-28
Abstract: 740,815. Centrifugal and screw pumps. INTERNATIONAL COMBUSTION (HOLDINGS), Ltd., and HARLOW, W. F. June 17, 1953 [May 28, 1952], No. 13595/52. Class 110(1) A priming device for a centrifugal or like pump 1 comprises a priming vessel 10 having an internal tube 13 with a tapering bore disposed in line with the inlet aperture 12 and outlet aperture 9 the largest and the smallest diameters of the bore being respectively greater ,and not greater than the diameter of the aperture 12, the tube 13 having its end of greater diameter adjacent the aperture 12 and being secured to a closure plate 11, and apertures being provided adjacent the end of greater diameter to permit withdrawal of air from the vessel 10 at commencement of pumping. Before operation of the pump, the vessel 10 is filled with liquid which flows into the pump. When the pump is started, it draws liquid from the vessel 10, and the air in the suction pipe 6 is drawn into the vessel. Eventually liquid from the pipe 6 enters the vessel 10 and passes through the tube 13 to the pump gradually entraining the air in the vessel through holes 14. When pumping ceases. a small-bore pipe 15 extending between the pipe 6 and the discharge pipe 16 breaks the vacuum in the pipe 6 and stops water from syphoning out of the vessel 10 thrcugh the pipe 6. The largest and smallest diameters of the bore of the tube 13 are respectively greater by 37 per cent and smaller by 18 per cent than the diameter of the aperture 12. According to the Provisional Specification, the pump may be of the screw type.
Patent GB-239279-A (GB)
Title: Improvements in or relating to sewing machines
IPC: D05B15/00
Filed: 1924-06-04
Abstract: 239,279. British United Shoe Machinery Co., Ltd., (United Shoe Machinery Corporation). June 4, 1924. Boot-sole sewing-machines; welting and turnshoes; feed by awl. - In shoe-sewing machines such for example as are described in Specifications 17328/08, 20711/09 and 20712/09 the work is given a number of feed movements in each stitchforming cycle in order to distribute the stitches more uniformly at parts where the contour of the work changes rapidly. In the arrangement shown a two-step feed is given by the co-operation of an awl 8 and a channel-guide 10. The awl and guide and other stitching devices are similar to those described in the Specifications above referred to. Work -penetrating movements are given to the awl by a cam-operated lever 28 and feed movements by a roll 32 engaging a cam-groove in the disc 30. Work-engaging and feed movements are communicated to the channel-guide by respective levers 42, 46 engaging grooves in the cam-disc. The formation of the cam-grooves and their timing with respect to the other sewing devices is such as to produce a two-step feed, indicated by the successive positions of the awl and guide shown in Figs. 3 to 8, while the needle is passing through the stages of one cycle.
Patent GB-834001-A (GB)
Title: Detachable ornaments
IPC: A44C15/00
Filed: 1956-05-03
Abstract: 834,001. Jewellery. BLUM, J. R. May 1, 1957 [May 3, 1956]. No. 13682/56. Class 43 [Also in Group XV] An ornament device comprises twc flat bars B, B2 pivoted to a flat link B1 and ornaments A, A1 mounted one on each flat bar. Hooks or clips E, E1 are mounted on the flat bars for removably attaching the device to such articles as spectacle frames or combs.
Patent GB-683199-A (GB)
Title: Improved water-cooling radiators
IPC: F28F9/02
Filed: 1951-06-08
Abstract: 683,199. Tubular heat-exchangers. FORD MOTOR CO., Ltd. June 8, 1951 [June 22, 1950], No. 13684/51. Class 64 (iii) Relates to water cooling radiators particularly for motor-vehicle engine-cooling systems and comprising a core of hollow heat exchange elements (e.g. tubes 14) extending between upper and lower header tanks 11 ,12. According to the invention the upper header tank 11 is divided into two chambers by a horizontally extending baffle plate 24 having a downwardly depending spout 27 establishing communication between the chamber above the baffle plate and the radiator core. The open upper ends of a number of the tubes 14 are encompassed by the periphery of the spout 27 and the lower edge of the spout may rest upon the upper tube plate 16 but preferably a slight clearance is allowed. A number of small holes (not shown) are provided in the baffle adjacent the spout 27, to allow any air trapped beneath the baffle plate to escape. During operation, the liquid level is maintained above the level of the baffle 24 and this it is stated reduces turbulence and aeration in the upper header tank of the radiator. The filler neck 22 of the radiator is off-set from the spout 27 so that the amount of liquid above the baffle may be more accurately observed. When initially filling the radiator with coolant liquid, the bulk of the liquid enters the core through those tubes 14 encompassed by the periphery of the spout 27. Hot water from the engine enters the upper header below the baffle 24 through inlet connections 19, the cross-sectional shape of which varies from circular to an elongated oval of the same cross-sectional area.
Patent GB-704756-A (GB)
Title: Improvements relating to liquid measuring and dispensing apparatus
Inventor: SMALE NORMAN EDWIN
IPC: D06F33/00
Filed: 1950-06-01
Abstract: 704,756. Dispensing liquids. WAYNE TANK & PUMP CO., Ltd. Aug. 7, 1951 [June 1, 1950], No. 13688/50. Class 116 Liquid measuring and dispensing apparatus having preset mechanism incorporates a cocking lever on the motor switch operating shaft and means associated with the shaft to operate the switch, a catch member urged by a spring to retain the lever in cocked position after switching on the motor subsequently to opening the cutoff valve and means associated with the cut-off valve for tripping the catch member to free the cocking lever to operate the switch when the cut-off valve has moved to fully closed position on completion of the delivery operation. The apparatus incorporates preset mechanism such as is described in Specification 690,990. The apparatus is preset to the required amount, the shaft 10 is then rotated to switch on the motor, simultaneously opening the valve. A lever 25 on the shaft 10 is thereby rotated, one end 252 of the lever bears on and rotates a plate 27 on the valve operating shaft 14 carrying a lever 13 connected to the valve; the other end of the lever 25 is connected by a spring 26 to a fixed part. A torsion spring 28 is mounted on the shaft 14 and a yoke 272 embraces the lever 13 and a screw 273 contacts the lever. By rotating the plate 27 the screw 273 disengages from the lever, the end 252 rides over the plate, the plate being then free to rotate under the action of the spring 28 so that the lever end 252 abuts the surface of the plate, Fig. 3, locking it in position and keeping the motor switch closed and the screw 273 in contact with the plate. At the completion of delivery the valve shaft 14 is rotated and with it the plate 27, freeing the end 252, the lever 25 then being free to rotate to switch off the motor under the action of the spring 26 by engaging a roller 121 on an interlock lever 12. The motor can be switched off at any time during delivery by turning the shaft 10. So that a lighter spring 26 may be used the switch operating rod is associated with a weight. Specification 690,991, [Group XXIX], also is referred to.
Patent GB-1087083-A (GB)
Title: Hydraulic pumps
Inventor: MOWBRAY DORIAN FARRER
IPC: F04B49/08
Filed: 1964-04-03
Abstract: 1,087,083. Fluid-pressure servomotor systems. JOSEPH LUCAS (INDUSTRIES) Ltd. May 14, 1965 [April 3, 1964], No.13803/64. Heading G3P. The swashplate 13 of a pump is controlled by a piston 24 in dependence upon pump outlet pressure communicated to the piston via restriction 27. A spring 29 located between piston 24 and a further piston 30 urges the swashplate to the position at maximum stroke. A spool valve 32 is acted upon by liquid at pump outlet pressure via passage 36 and controls communication of a passage 31 with either the pump inlet via passage 37 or the pump outlet via passages 36, 38. The passage 31 communicates with the chamber on that side of piston 30 remote from spring 29. In operation, increasing pressure above a predetermined value in outlet passage 16, acts on piston 24 via restriction 27 to decrease the pump stroke. Movement of piston 24 initially compresses spring 29, but the increasing pressure moves the spool valve to connect passages 31 and 37 thereby allowing the spring to move piston 30 and return to its initial degree of compression. The spring- loading on piston 24 thus remains substantially constant. When the pressure in the outlet passage falls below a predetermined value, check valve 28 opens and the spring 29 moves piston 24 to the left, whilst the spool valve moves to the left to connect passages 31 and 38 thereby allowing outlet pressure to act on piston 30 to move the latter to the left to restore the compression in spring 29. The spool valve is constantly rotated from the pump shaft 14 by gearing 18, 19, the adjustable valve loading spring 35 also serving to transmit the drive. A boost pump 17 is formed integral with the pump shaft and a relief valve 22 is provided in the outlet passage.
Patent GB-1494434-A (GB)
Title: Red emitting phosphor
IPC: C09K11/08
Filed: 1975-04-04
Abstract: 1494434 Luminescent materials and uses thereof MATSUSHITA ELECTRONICS CORP 4 April 1975 [5 April 1974] 13937/75 Heading C4S [Also in Division H1] A colour picture tube includes as the red emitting phosphor particles of Y 2 O 3 :Eu coated with Y 2 O 2 S: Eu, particle and coating both emitting red. Red emission of the closely matches that of the The coating may be formed by firing at 1150 to 1250 C. in an H 2 S gas flow, and coating thicknesses for different reaction times and electron penetration voltages are given. The phosphor dot or strip screen is formed by exposing through a shadow mask a phosphor slurry including ammonium bichromate and p.v.a. The coated phosphor counters hydrolysis of the Y 2 O 3  when blended with ammonium bichromate, Cr contamination, and reduced dispersion in the slurry. The c.r.t. of Fig. 1 (not shown) includes three gun units (5).
Patent GB-141545-A (GB)
Title: Improvements in packing for ships' sidelights, scuttles and the like
IPC: B63B19/00
Filed: 1919-06-04
Abstract: 141,545. Denny, M. E., and Porterfield, A. June 4, 1919. Cabin, and deck lights.-The packing-ring of rubber or the like is housed in a rectangular recess A formed in one member B of the joint, the recess being provided with inturned lips C. The packing-ring D is also of rectangular section and is inserted by being stretched and then pushed through the opening E. When released, the packing-ring expands to fill the recess A, as shown. A rim H on the other part of the joint enters the opening E.