baber/WOPTO huggingface dataset:
Patent GB-814101-A (GB)
Title: Densification of ink grade carbon blacks
Inventor: BECK CURT BUXTON
IPC: C09C1/58
Filed: 1956-06-02
Abstract: <PICT:0814101/III/1> A substantially dustless, densified carbon black for use in lithographic and printing inks is prepared by tumbling carbon black, moistened with 2-12 per cent water, in a horizontally-mounted rotating drum containing a free roller equipped with at least two longitudinally spaced eccentric projections in the same radial plane, the black being charged to the drum to a depth not exceeding the diameter of the roller plus the height of the projections.  The black, which may be wetted before, or after, charging, is fed through shoot 14 into pelleting drum 10 mounted on driven tyred wheels 12.  As the drum rotates the roller 18, having projections 20, rotates in an eccentric path, rolling off legs 20, rolling across the bed of black, compacting the black without forming pellets, and rolling up on to legs, allowing black to slide beneath the roller.  The product leaving by shoot 16 may be broken up in a high speed fan, or by brushing through a screen, and has a density of 16 lbs./cu. ft., or higher.  The roller 18 may weigh 20-100 lbs./ft. Specification 475,847 is referred to.
Patent GB-1309042-A (GB)
Title: Control valve
IPC: F15B11/20
Filed: 1971-05-26
Abstract: 1309042 Servo assisted master cylinders; valves BENDIX CORP 26 May 1971 [8 June 1970] 17113/71 Heading F2F A rod 29 is movable to actuate a master cylinder of an hydraulic braking system; the rod 29 is moved by a power piston 28 actuable by pressure introduced into a power chamber 26 when a control valve 48 is operated. The valve 48 comprises a spherical head 66 on a stem 64, which head 66 is movable by the action of a valve operating member 70 between annular valve seating members 50, 52 axially spaced in a bore 24 of a housing 12. The housing 12 includes an inlet port 14 communicating with a power steering pump 20, an outlet port 16 communicating with a power steering gear 22, and an exhaust port 18 communicating with a reservoir for the pump 20. In the unactuated condition of the valve 48, the head 66 is biased by a spring 68 to abut the seating member 52, the inlet and outlet ports 14, 16 are in communication via an inlet chamber 54 a passage between the head 66 and the seating member 50 and an outlet chamber 62 and the chamber 26 is in communication with the exhaust port 18 via axially extending grooves 72 in the member 70, a cavity 74 and a spring passage 76 in the member 70; a cavity 80 containing the spring 68 is also connected to the port 18 via a passage 78 in stem 64. To actuate the valve 48 the member 70 is moved leftwards by the action of levers 46 which are pivotally connected at one end to the member 70 and at the other end to a bracket 34 mounted on the piston 28; a sleeve 42 slidably mounted on an operator operated control rod 36 is also pivotally connected to the levers 46, and a spring 40 urges the sleeve 42 into engagement with an abutment 44 on the rod 36: thus when the rod 36 is moved leftwards the levers- 46 are pivoted to move the member 70. Initially the member 70 engages the head 66 to shut off communication between the cavity 74 and the exhaust port 18: thereafter the member 70 moves the head 66 leftwards and fluid flows to chamber 26 to act on piston 28. Flow of fluid between chambers 54, 62 is restricted although some communication is allowed via a passage 90. To release the brakes the rod 36 is allowed to move rightwards, chamber 26 is vented to port 18 and ports 14, 16 are put into unrestricted communication. To minimize the actuating force necessary a passage 88 permanently connects a reaction chamber 86 with the chamber 26. Should a malfunction prevent fluid flow to chamber 26 the rod 36 will move to directly engage the piston 28.
Patent GB-832892-A (GB)
Title: Improvements in or relating to trench excavators
IPC: E02F3/30
Filed: 1958-05-29
Abstract: 832,892. Shovelling machines. DROUARD, J., and BOULARD, G. May 29, 1958 [June 7, 1957], No. 17118/58. Class 68(1) In a scoop arm trench excavator there is mounted on a two wheel chassis 1 a prime mover 27, a pump unit 21 for supplying fluid under pressure and an operator's position and controls, whilst to the rear of this chassis is so secured a beam supported at the rear end by a castor wheel 7 that the beam can be moved laterally of the chassis and can be rotated about its own longitudinal axis. On the beam 4 is secured a structure 8 pivotally supporting a boom 10 at the end of which pivots a bucket arm 12 to the lower end of which is pivotally attached a scoop 13. Jacks 15, 17 and 19 actuate the boom, arm and scoop respectively. At the completion of a digging stroke the scoop is tilted so that the contents discharge into a shoot and on to a transversely extending conveyer. The arm 12 can be mounted on either side of the boom.
Patent GB-493652-A (GB)
Title: Apparatus for controlling the operation of devices operated by fluid pressure such as aircraft flaps
IPC: B64C13/24
Filed: 1937-06-19
Abstract: 493,652. Fluid-pressure servomotor-control systems. DUNLOP RUBBER CO., Ltd., BEHARRELL, G. E., WRIGHT, J., and TREVASKIS, H. June 19, 1937, No. 17136. [Class 135] [Also in Group XXXIII] Means for controlling a wing flap on an aircraft includes a pneumatic jack supplied with air under pressure through a central device incorporating a plurality of valves which are adapted to be selectively operated in predetermined sequence whereby the flap can be raised, lowered or moved to a mid-position and automatically locked in such position. As shown, three valves 18, 18, 31 are provided in a valve chest. A shaft 2 is journalled in the chest and provided with an operating lever 3. One or other of the valves 18 are operated, on rotation of the lever through a cam 7 which by means of spring-pressed sleeves 9 is frictionally-clutched to the shaft. The lever 3 may be locked in one of three positions, corresponding to flaps up, down or in a mid-position, by means of a spring-pressed roller 5 adapted to engage recesses 4. A cam 8 on the shaft 2 is adapted to operate the valve 31. The jack comprises a piston 38 movable in a cylinder 36 and carried by hollow piston rod 37 having an internal groove 41. A cylinder 42 is mounted at one end of the cylinder and a piston 45 is displaceable against the action of a spring 46. The piston is carried by a piston rod 44 having a reduced end portion 47 which normally engages balls 50 held in apertures in a sleeve 48. Movement of the lever from the up to the mid-position through the cam 7 depresses a plunger 12 to close by means of a washer 13 exhaust ports 53. The washer 13 is carried on a spindle 16 which through a spindle 17 opens the appropriate valve 18 against the action of a spring 18a to permit air under pressure to pass from a supply pipe 33 past the valve 18 to one side of the piston 38. The other side of the piston 38 is open to exhaust through the other valve 18. The movement of the lever through the cam 8 depresses a plunger 19, having an exhaust port 20 and carried by a flexible washer 21, to open the valve 31 against the action of a spring 32 to permit air under pressure to pass from the pipe 33 to the cylinder 42 to urge the piston 45 to the right. The piston 38 moves until the groove 41 is opposite the balls 50 at which time the piston rod 37 and consequently the flaps are locked in mid-position. Further movement of the lever 3 opens the cylinder 42 to exhaust and the piston 38 can move to the end of the cylinder.
Patent GB-515701-A (GB)
Title: A selector for periodically sending signals along selected signalling circuits
IPC: H01H43/12
Filed: 1938-06-09
Abstract: 515,701. Actuation of switches; electric signalling systems. HEATHWAY ENGINEERING CO., Ltd., and MUDGE, F. J. June 9, 1938, No. 17142, [Class 38 (v)] [Also in Group XXXVIII] A control mechanism for the periodical closing of selected signalling circuits comprises a member such as a sleeve 26 rotated at a constant speed by a motor 19, a number of switches 38 each in one of the signalling circuits and adapted to be operated by projections 36 on the sleeve 26, an equal number of pins 34 on the sleeve adapted to engage stop members 35 to hold the sleeve 26 stationary at a time when a switch 38 is closed, a friction coupling 27 allowing this to take place, and a cam 23 also driven by the motor and serving to finally make or break the circuit that has been prepared by a switch 38 and also periodically to move the sleeve 26 longitudinally to release a pin 34 from a stop 35. In the form shown there are four panels 1 ... 4, each having a number of push buttons 5. Depression of any button 5 closes a switch (not shown) in a particular signalling circuit and also by means of a cam surface 16 lowers one of four plates 11 which by engaging an arm 33 rotates a shaft 32 and closes a mercury switch 30 which starts up the motor 19. According to which plates 11 are lowered, corresponding stops 35 are brought into the path of the pins 34 on the sleeve 26. At starting the largest unrecessed portion of the periphery of the cam 23 was in engagement with the arm 44 of the mercury switch 47 thus cutting off current from all the signalling circuits. This condition remains while the sleeve 26 rotates till a pin 34 strikes a selected stop 35 and the corresponding signalling circuit is prepared at a switch 38. The cam 23 continues to rotate, and, in the form shown, causes, by a series of depressions in its periphery, the periodical closing of the switch 47 and a succession of flashes through the selected signalling circuit. The cam eventually reaches its original position, but before quite doing so, a projection 41 on it engages a roller 42 on a lever 39 and moves the sleeve 26 momentarily to the left, thus disengaging the pin 34. The sleeve then rotates till stopped by another stop 34 and the process continues. Thus the cam 23, which rotates continuously without stopping causes a series of flashes to be signalled at regular intervals through one or more of the signalling circuits selected by the buttons 5. The buttons 5 when depressed are held latched till manually released and an additional mercury switch 45 controlled by a cam 46 and closing a parallel circuit to the motor ensures that the motor shall not stop, when all the buttons have been released, till the cam 23 is in the correct position.
Patent GB-128181-A (GB)
Title: Improvements in and relating to Aromatic Arsenical Compounds.
IPC: C07F9/74
Filed: 1918-10-21
Abstract: The arseno compounds described in the parent Specification are converted into their sodium or potassium salts, which are also useful in the treatment of syphilis, &c.  The sodium salt of p-arsenophenylglycine-bis-m1-oxyanilide is specified.
Patent GB-250068-A (GB)
Title: Improvements in or relating to refrigerating apparatus
IPC: F25B39/04
Filed: 1925-07-04
Abstract: 250,068. Green, A. July 4, 1925. Addition to 244,532. Refrigerating, compression machines for.-The machine described in the parent Specification is modified by employing a condenser separate from and outside the chamber 3 surrounding the compressor casing 4, so that it may be cooled by air circulated by a fan 8 on the other side of the disc 1 to the compressor. The fan may be mounted on the main driving shaft 9 outside the gear casing 6, and, as shown in Fig. 1, the condenser may be composed of tubes 13 arranged around the fan periphery and connected to upper and lower headers 11, 12, which are connected to the top and bottom of the pressure chamber 3. In another arrangement, shown in Fig. 4, the fan may deliver air through a passage 18 formed in the gear casing into a funnel-shaped casing 19 containing concentric or coiled condenser tubes 20.
Patent GB-448150-A (GB)
Title: Improvements in and relating to variable-speed gearing
IPC: F16H61/02
Filed: 1935-06-14
Abstract: 448,150. Variable-speed gearing; spinning-machines; fluid-pressure servomotors. CLAY, H. C., c/o Reeves Pulley Co., Columbus Indiana, U.S.A. June 14, 1935, No. 17248. Convention date, April 8. [Class 80 (ii)] [See also Groups IX and XXIX] A spring-expanding V-pulley 56, 57, Fig. 1 is mounted on the driven shaft and is connected by a belt 59 with a fixed V-pulley 61 on the shaft 62 of an electric motor 63 adapted to be shifted bodily towards and away from the driven shaft by a fluid - pressure servomotor 79. In the form shown, the motor 63 is moved up and down by links 86 connected by a cross-head 85 to the piston rod 82 of the servomotor piston 81, Fig. 4. As the ring- rail 14 moves it acts through the mechanism shown in Fig. 1 on a lever 38, Fig. 3, pivoted at 34 and connected through rods 41, 67 to a valve 69 for controlling the movements of the piston 81, Fig. 4, by a follow-up action. A pump 73 driven by a motor 52 draws liquid from the reservoir 42 and discharges it through a pipe 75 to a chamber 77 communicating with the channel 93 in the valve 69 by a port 101. The channel 93 is closed at 94 and communicates at its upper end by spaced ports 95, 96, Fig. 6, and ports 89, 92 in the piston 81 with the spaces above and below the piston. The channel 97 in the valve is open at its lower end to the reservoir and also communicates at its upper end by spaced ports 99, 100 and ports 90, 91 in the piston with the spaces above and below the piston. The spacing of the ports is such that whichever way the valve 69 is displaced the piston 81 will tend to follow it. The builder motion which effects relative reciprocation between the spindles and the ring-rail 14 also oscillates, through means such as a cam, a lever 15 pivoted at 13 and weighted at 16. The lever 15 acts through a bell-crank 18, sliding rod 22 and bell-crank 27 on a cable 29 passing over pulleys 30, 31 and connected to the controllever 38 of the servomotor. In the position shown the cable 29 is slack and reciprocation of the lever 15 does not affect the lever 38 ; also, the motor 52 is inoperative. When the winding of the cops has proceeded to a certain extent, the ring-rail 14 engages a two-armed lever 53 and operates a switch 47, which starts the motor 52 and simultaneously deenergizes a solenoid 37, the core 36 of which springs up and takes up the slack in the cable 29. Henceforward, as the ring-rail reciprocates, the lever 15 will oscillate the lever 38 and produce cyclic variations in the speed of the spinning frame. When the spindles are doffed the ring-rail 14 is returned to its lowest position and the switch 53 is restored to its original position.
Patent GB-670447-A (GB)
Title: Improvements in or relating to bag filling machines
IPC: B65B39/06
Filed: 1949-06-29
Abstract: 670,447. Fitting bags. ARENCO AKTIEB OLAG. June 29, 1949 [June 21, 1949], No. 17255/49. Class 94(i) In a bag-filling machine having a filling- spout encircled by a slidable ring carrying a number of outwardlyyieldable fingers which normally extend downwardly and inwardly beyond the mouth of the spout and lifting means for applying the mouth of a bag to said fingers which are moved apart by engagement with the spout to' expand the mouth of the bags as the ring is moved upwardly, a driving mechanism is connected to the ring and lifting means firstly to elevate the lifting means and slide the ring upwardly and then to arrest the lifting means so that the fingers are withdrawn from the bag on continued elevation of the ring. In the machine shown, collapsed bags 13 are removed in succession from a magazine 2 by cam-operated suction grippers 1 which transfer them to a pair of cam-operated suction grippers 4 which are first moved apart to open the mouth of each bag and then laterally to position the bag beneath a filling-spout 3. The latter is provided with a slidable ring 47 carrying a number of downwardly and inwardly-directed spring fingers 48 and coupled through linkage 49, 50 and 53 to a rod 54 carrying a roller engaging a rotatable cam disc 86. The grippers 4 are then raised by mechanism operated by cams 46 to engage the mouth of the bag with the fingers 48, and simultaneously the ring 47 is moved upwardly by the cam 86 so that the fingers are expanded by engagement with the mouth of the spout and the bag is drawn on to the spout. Thereafter, the ring 47 continues its upward movement so that the fingers are withdrawn from the mouth of spout by constriction of a spring-steel band 56 as described in Specification 670,448.
Patent GB-872209-A (GB)
Title: Reciprocating piston internal combustion engines
IPC: F02B75/28
Filed: 1958-05-30
Abstract: 872,209. Reciprocating-cylinder engines; driving gears. BISICCHIA, G., and ZAGLIO, S. S. N. May 30, 1958 [June 1, 1957], No. 17258/58. Class 7(2). An oppositely-reciprocating cylinder C and piston S drive a common crank-shaft B respectively by side connecting-rods b3 and by a connecting-rod b<SP>1</SP>, an auxiliary crank-shaft A mounted in the cylinder C, and a link b<SP>2</SP>. The cylinder C moves in guides G and through a seal c<SP>3</SP>.
Patent GB-495726-A (GB)
Title: Improvements in and relating to resilient couplings for shafts
IPC: F16D3/74
Filed: 1937-06-21
Abstract: 495,726. Universal joints. JULIEN, M. F. A. June 21, 1937, No. 17264. Convention date, June 20, 1936. [Class 80 (ii)] An axially extending unitary rubber annulus 5 adheres at its end-faces to plates 6, bolted to axially separated shaft-flanges 3, 4, and the radial thickness between its inner and outer surfaces is less in the median region than at the ends, to ensure uniform stress distribution under combined torsion, centrifugal and eccentric loading. The axial length of the rubber annulus is preferably equal to or greater than its radial depth, and its inner diameter is preferably greater than half its outer diameter. The heads of the securing bolts 12 are embedded in the rubber and have keys 15 to prevent them from turning in the plates 6. Specifications 492,435 and 493,119, [Group XXXII], are referred to. The Specification as open to inspection under Sect. 91 comprises also the subject-matter of Specification 492,435. This subject - matter does not appear in the Specification as accepted.
Patent GB-1237630-A (GB)
Title: Apparatus for bringing a melt or solid substances into co-current contact with hot gaseous media
Inventor: NOVOSAD ZDENEK
IPC: B01J19/18
Filed: 1969-04-02
Abstract: 1,237,630. Gas/liquid and gas/solid contact. CESKOSLOVENSKA AKADEMIE VED. 2 April, 1969 [7 May, 1968], No. 17275/69. Heading B1F. In apparatus for bringing hot gas into cocurrent contact with a melt or granular solid to be converted to a solid product by chemical reaction, the solid or melt is introduced at 3, and hot gas at 6. Cool gas is provided in the case of a solid at 4. The apparatus comprises rotatory mixing means.
Patent GB-1533084-A (GB)
Title: Lipoprotein emulsions for use as egg yolk replacers
IPC: A23L15/00
Filed: 1977-04-26
Abstract: 1533084 Egg yolk replacers ITT INDUSTRIES INC 26 April 1977 [3 May 1976] 17310/77 Heading A2B Egg yolk replacers comprising lipoprotein emulsions are made by adjusting the pH of a protein-containing solution or dispersion to 7-10 by adding alkali, adding oil, lecithin and, preferably, soluble carbohydrate, and emulsifying. The protein may be soy protein isolate or whey protein concentrate, the oil may be soy bean oil (which may form part of a lecithin concentrate) and the carbohydrate may be sucrose, maltodextrin or corn syrup solids. Procedures for making the emulsion are described in detail. The emulsion may be dried and/or blended with dried egg white, whole egg solids or whey protein concentrate, and may include colourants and emulsifiers, suitable materials being specified.
Patent GB-186414-A (GB)
Title: Improvements in or relating to steel tracks for toy or model railways
IPC: A63H19/30
Filed: 1921-06-24
Abstract: 186,414. Jubb, W. H. June 24, 1921. Rails and tracks.-Relates to toy or model railway. track of the kind in which the rails are connected by spring steel fishplates, and consists in forming projections d, e on the fishplates which engage recesses or holes c formed in the rails, thus enabling the rails to be more securely connected together. Instead of projections, holes may also be formed in the fishplates to be engaged by pins or pags.
Patent GB-978206-A (GB)
Title: A circuit and method for protecting a three phase star connected dynamo-electric machine
Inventor: BACON KENNETH FRANK
IPC: H02H3/353
Filed: 1963-05-02
Abstract: 978,206. Protective systems. MULLARD Ltd. May 2, 1963, No. 17377/63. Heading H2K.  In a protective circuit for a three-phase dynamo-electric machine, three resistors 4, 5, 6 of equal value are connected to the respective phase terminals 1, 2, 3, their star point 7 being connected through a detector with the neutral supply terminal 13. Under normal conditions the star point 7 and the neutral terminal 13 are at the same potential but in the event of a fault in any phase a potential appears between them, is rectified by a diode 10 and charges a capacitor 25 which together with resistors 4, 5, 6 causes a time delay, preventing operation by transients. When the negative potential on capacitor 25 exceeds the Zener voltage of a diode 11 it is applied to the base 8 of a normally cut-off P-N-P transistor 9 causing it to conduct and energize a relay 17 operating indicator or control means (not described). Three diodes 21, 22, 23 and a capacitor 27 provide the smoothed supply for transistor 9 and a Zener diode 24 protects it against overvoltage. An N-P-N transistor may be used if all diodes are reversed. In a modification (Fig. 2, not shown), a second normally conducting transistor is inserted between the two diodes 10, 11. Upon fault this transistor is cut off, the voltage on its collector rising above the Zener voltage of diode 11 to cause transistor 9 to conduct as before.
Patent GB-110647-A (GB)
Title: Improvements in Means for Locking Nuts, Bolts and the like.
Inventor: JOYCE ERNEST FREDERICK
IPC: F16B39/06
Filed: 1916-12-06
Abstract: 110,647. Joyce, E. F. Dec. 6, 1916. Locking nuts.-A transverse blade f with grooves j engages a slot e in the end of the bolt, and slots g in the castellated extension of the nut. The Llade f is held in position by a ring i which engages a recess in the nut. In a modification, the ring is made of steel, and sprung into an internal groove in the nut extension. In a. further modification, the ring is made in two parts secured by bolts which secure also the ends of the blade. In another modification, the ring is in two parts riveted together and secured by an internal flange l, Fig. 13. A second flange l<1> covers the end of the nut but is cut away for the blade. The ring is then rotated to lock the key, and is held stationary by a tongue engaging a slot in the nut. In lieu of a blade, an externally and internally toothed ring engages grooves in the bolt and slots in the nut.