baber/WOPTO huggingface dataset:
Patent GB-1451612-A (GB)
Title: Diesel internal combustion engines
IPC: F02D41/38
Filed: 1973-11-09
Abstract: 1451612 Automatic control ROBERT BOSCH GmbH 9 Nov 1973 [13 Nov 1972]  52124/73 Heading G3N A diesel internal combustion engine has an electrically controlled injection system incorporating electromagnetically operable injection devices controlled by a transistorized switching device. As shown, pulses from a cam-shaft tachogenerator 1 are fed to a D-to-A converter and the derived voltage together with a command variable, desired speed or butterfly valve angle, processed in a regulator 3 to provide a voltage Ti proportional to the filling time of a solenoid operated injection device 9. The pulses are also applied to a converter 4 providing a voltage Tl proportional to pulse period. The filling time voltage Ti is subtracted from the period voltage Tl in a subtractor 5 and the difference compared with a ramp voltage generated by a constant-current device 6 initiated by a switch S actuated at each rotation of the engine. At equality a bi-stable circuit 8 is set to initiate a control pulse to the solenoid of the valve 9. The control pulse is terminated by the circuit 8 being reset by the next actuation of switch S1. In an alternative arrangement the ramp voltage is derived from a D/A converter responsive to the contents of a counter connected to receive the tachogenerator pulses when initiated by the switch Sl. The control circuitry is embodied by discrete transistors in combination with integrated circuits. The solenoid-operated valve 9 opens a fuel line, the flow from which pushes back a piston of an injection cylinder. When de-energized, after the induction of a desired quantity of fuel, the valve switches over to admit the fuel to a servopiston coaxial with the injection piston whereby the fuel is injected into the engine.
Patent GB-1135830-A (GB)
Title: Sewing machine
IPC: D05B65/00
Filed: 1966-11-23
Abstract: 1,135,830. Sewing machines. DOUGHBOY INDUSTRIES Inc. 23 Nov., 1966 [26 Sept., 1966], No. 52459/66. Heading DIG. A two-thread chain stitching machine for closing filled bags comprises combined needle and continuous work feed. A vertical shaft 27a, driven by a pulley 27, drives looper mechanism 21, and is connected both by a belt 40a to a shaft 41 driving a needle bar 44, and also by gearing 28 to a shaft 28a driving wheel and belt work feed. A feed wheel 29, rigid with shaft 28a, has a knurled centre portion 29a co-operating with a knurled presser wheel 32 carried by a block 33 rigid with a spring- biased presser bar 33b. Outer toothed portions 29b of wheel 29 drive feed belts 31a, 31b supported by an idler pulley 36. The belts bear against a fixed plate 37 and are supported in grooves formed in a throat plate 38 having an elongated needle aperture 38a. The mouth of a filled bag B first passes between the belts and a presser foot 39 which has an elongated needle aperture 39b and is rigid with block 33, and then passes between wheels 29 and 32. A crank 41b on shaft 41 is connected by a link 42 to needle bar 44 for reciprocating the latter. Needle bar 44, which carries a needle thread take-up finger, slides in universal joints provided at its outer end and in a transverselyslidable block 46. A cam 49 on shaft 41 acts on one arm of lever 50, the other arm of which is coupled to block 46 for reciprocating the latter to impart work-feed movements to the needle bar. A threaded looper 52 is carried by a crank arm 53 on a shaft 53a reciprocated axially via linkage 57a, 58, 59 from an eccentric 57 on shaft 27a. A yoke 55 on shaft 53a embraces a cylindrical eccentric 56 on shaft 27a for oscillating shaft 53a. A bag approaching presser foot 39 displaces a plate 61 carried by pivoted and spring-biassed bars 61a, 62 whereby bar 62 actuates a microswitch to start the driving motor. The sewn mouth after passing wheels 29, 32 is deflected by an inclined surface 64b of a fixed block 64. Surface 64b is formed with a notch 67, the outer end of which is traversed by a knife blade 69 pivoted at 70 to block 64 and oscillated continuously via a link 69b from eccentric 57. The arrangement is thereby such that the thread chain extending from the sewn bag enters notch 67 and is severed by blade 69 adjacent the bag. The front of the machine frame 16 is provided with a first cover which is detachably secured by a thumb screw and supports the guides and tensioners for the needle and looper threads, and with a second cover which encloses the looper mechanism and is detachably secured by magnetic catches.
Patent GB-525492-A (GB)
Abstract: 525,492. Ignition systems. BRITISH THOMSON-HOUSTON CO., Ltd., and COE, R. T. Feb. 22, 1939, No. 5905. [Class 7 (iv)] The winding P<1> of a low tension magneto is in series with the interrupter C and the primary winding P<2> of a transformer B, the secondary S being in circuit with the distributer D and sparking plug G. The coupling coefficient between the primary and secondary circuits, which equals M/#L1L2 where M = mutual inductance between the primary and secondary circuits, L1 = inductance of whole primary circuit including windings P1 and P2, and L2 = inductance of transformer secondary winding, should be of the order of .75.
Patent GB-1447082-A (GB)
Title: Products from the hydrolysis of beta-haloethyl-silanes and their use as agents for the regulation of plant growth
IPC: C07F7/18
Filed: 1973-11-13
Abstract: 1447082 Plant growth regulants CIBAGEIGY AG 13 Nov 1973 [15 Nov 1972] 52713/73 Heading C1B [Also in Division C3] Regulation of plant growth is effected by applying to plants or plant habitats partially polymerized products having siloxane linkages and a degree of polymerization of at most 3 (tetramer) obtainable by hydrolysis of betahaloethylsilanes of the formula wherein X denotes Br or Cl; A denotes -OR 1 , -NHR 2 , phenyl, Cl or C 1-6  alkyl; B and C each denote -OR 1 , -NHR 2 , -SR 3 , phenyl, Cl or C 1-6  alkyl; R 1  denotes C 1-18  alkyl unsubstituted or substituted by C 3-12  cycloalkyl, phenoxy, C 1-6  alkoxy, C 1-6  alkylthio and/or halogen; phenyl; benzyl unsubstituted or substituted by C 1-6  alkyl, C 1-6  alkoxy, C 1-6  alkyl and/or halogen; C 3-18  alkenyl; C 3-8  alkynyl; or a group -COR 4  (wherein R 4  denotes C 1-8  alkyl); R 2  denotes phenyl or C 1-18  alkyl; R 3  denotes benzyl or C 1-18  alkyl; and wherein A, B and C may be the same or different provided that not all three are chosen from phenyl and C 1-6  alkyl. The active ingredients may be applied as a composition comprising conventional solid extenders, surface active agents and liquid diluents, and are particularly effective in facilitating abscission of fruit or leaves, acceleration of fruit ripening and promotion of resin flow in latex trees.
Patent GB-1455052-A (GB)
Title: Well running and retrieving tool
IPC: E21B43/10
Filed: 1974-03-21
Abstract: 1455052 Well tools RUCKER CO 21 March 1974 [7 May 1973] 53291/75 Divided out of 1455051 Heading E1F The disclosure corresponds with part of that of the parent Specification 1455051, but the claims are directed to a running and retrieving tool with a piston shiftable to vary the spring bias on radially-extending dogs.
Patent GB-1074920-A (GB)
Title: Growth medium for mycoplasma pneumoniae and vaccine production
Filed: 1965-12-15
Abstract: A serum-free growth medium for Mycoplasma pneumoniae comprises a balanced salt solution supplemented with amino acids, vitamins and yeast extract (e.g. "medium 199", "Eagle's Basal medium" with "Earle's balanced salt solution" or "Leibovitz medium L-15") together with 0.5 to 1.6% by volume of the medium of evaporated chloroform extract of chicken egg yolk.ALSO:A PPLO vaccine is prepared by culturing Mycoplasma pneumoniae in a serum-free growth medium comprising balanced salt solution, amino acids, vitamins, aqueous yeast extract and from 0.5 to 1.6% by volume of evaporated chloroform extract of egg yolk, incubating the culture until substantial antibody activity develops, inactivating the harvest with formalin and concentrating by conventional methods.
Patent GB-1307771-A (GB)
Title: Switching device for the warning flash installation of an automotive vehicle
IPC: F01D11/12
Filed: 1967-07-31
Abstract: 1307771 Mechanical switches SWFSPEZIALFABRIK FUER AUTOZUBEHOER GUSTAV RAU GmbH 12 Nov 1970 [15 Nov 1969] 53792/70 Heading H1N A switching arrangement for use in a vehicle comprises a direction indicator switch together with another switch for flashing all the indicator lamps to give a warning mounted in a housing adapted to be mounted on the steering column of the vehicle, the other switch comprising a bi-stable push button switch with one or more lamps in its push button connectable to provide illumination of the device and indication that the warning switch is on. If only one lamp is provided (Fig. 3, not shown) it is energized, while the vehicle driving lights are on, only while the warning switch is off so it illuminates the device steadily unless the warning switch is on when it flashes. If two lamps are fitted (Fig. 2, not shown) one is illuminated steadily while the other flashes only when the warning switch is on.
Patent GB-1418001-A (GB)
Title: Hydraulic damping
IPC: F15B15/22
Filed: 1972-11-22
Abstract: 1418001 Damping hydraulic actuators DOBSON PARK ENG Ltd 9 Nov 1973 [22 Nov 1972] 53913/72 Heading F1D As a piston 12 moves to the left in the Figure an outlet port 13 is covered and liquid is forced out of the cylinder through a port 15 and a restriction 41 to damp the end of the stroke. The restriction 41 is in a pilot valve 36 which is moved to the right by the pressure build-up to lift a check-valve 30 from a seat 28. This connects the inlet port 14 to the reservoir through duct 18, thus relieving the cylinder of the pressure of the actuating liquid.
Patent GB-1305797-A (GB)
IPC: F23M5/04
Filed: 1970-11-18
Abstract: 1305797 Refractory linings CARBORUNDUM CO 18 Nov 1970 [28 Nov 1969] 54768/70 Heading F4B  A wall construction for a furnace having a frame 13 defining its shape comprises refractory blocks 17 engaged by at least one rigid refractory anchor 19 which is secured to the frame by a tie 21. Each anchor comprises a shank and enlarged integral head, i.e. of T-shape, which head is embedded in a recess in the working face of the block with the shank extending inwardly therethrough. The tie is removably securable to the shank at one end and removably securable to the frame at the other and may be formed of heat resistant wire.
Patent GB-1161813-A (GB)
Title: Machine for Very Rapidly Pressing Ball Pen Points and Other Articles Starting from a Metallic Strip or Wire.
IPC: B21D53/76
Filed: 1966-12-07
Abstract: 1,161,813. Making ball point pens; pushing through dies; stamping; metal strip feeds. REAL PATENTAUSWERTUNGS ANSTALT. 7 Dec., 1966 [31 May, 1966], No. 54794/66. Headings B3A, B3P, B3Q and B3W. A machine for pressing workpieces from metal strip or wire, particularly for making ball pen points, has a plurality of parallel pressing stations such as 18, 19, through which the workpieces are transferred successively. The machine has a main cam-shaft 22 driven by a motor through a variable diameter pulley 4, belt 40 and electromagnetic clutch 42; an electromagnetic brake 43 is included. Shaft 22 carries a plurality of cams 20 actuating rods 18 carrying the press punches, and is also connected through bevel gearing 45-48 with a parallel shaft 23 carrying cams 21 for driving further tool holders 19. When starting with strip 11, Fig. 7, this is fed by intermittently rotating rollers 62, 63 driven through free-wheel mechanism 61 and linkage 60, 64 by an adjustable eccentric 57, and sheared into strip blanks by blades 65, 66. At the first station, Fig. 2a (not shown), a disc is sheared from the strip blank 11 by annular punch (8) and is simultaneously cupped by punch (6); an ejector (10) is provided for the strip and an ejector rod (12) removes the capsule (13). At the next station, Fig. 2b (not shown), the capsule is elongated in a plurality of stages by pushing through dies (27) against ejector rods (26). At the next station, Fig. 2c (not shown), the closed end of the capsule is punched out by punch (6). At station Fig. 2d<SP>1</SP> (not shown), the resulting hollow tube is formed into a stepped article (13<SP>11</SP>) by pressing through dies (28), (53) and at the final station, Fig. 2e<SP>1</SP> (not shown), the article is pressed to ball point shape (13<SP>111</SP>) in dies (55), (56). Transfer of the workpiece between stations is effected by upper and lower transfer bars (30), (31), Fig. 5b (not shown), having notches (32) to receive the workpieces. These bars are maintained parallel to each other and are actuated through linkage by cam grooves 78<SP>1</SP>, 79<SP>1</SP> in shaft 22 so as to open and close in a vertical direction (87) and also perform a horizontal transfer movement (77). A spring-loaded rod (96), Fig. 3a (not shown), is arranged to engage in a cavity (97) in the lower transfer bar and to stop the machine if it is not seated properly. When starting from wire, this is drawn through straightening rolls (67)-(69), Fig. 9 (not shown), by the feed rollers 62, 63 and is pressed against an adjustable stop 70 where it is sheared by a reciprocating cutter (72), Fig. 10 (not shown), actuated by an axial cam 74. The sheared-off wire is then extruded into a capsule and passed through pressing stations 2b-2e.
Patent GB-1121813-A (GB)
Title: Improvements in or relating to mowing and conditioning machines for crops intended for hay or ensilage
IPC: A01D43/10
Filed: 1965-12-30
Abstract: 1,121,813. Mowing machines: hay-making. IVORY BROS. Ltd. 30 Dec., 1965 [5 Jan., 1965], No. 55198/65. Heading A1F. A combined rotary-scythe mower and hay-conditioner includes a vertical plate 30 against which the cut hay is thrown by the mower-blades 12 and adjacent to which are rotatable tines 22 which sweep the hay rearwardly and upwardly so as to bruise it and deliver it against an adjustable pivoted flap 24 which deposits it in a swath. The tines rotate, within a casing 23, so that their lower ends travel rearwardly at a slightly greater speed than the forward travel of the machine, which is mounted on tractor draught-links through a frame 4. The tines are pivoted on hubs 21 secured to a shaft 17 driven through a clutch 18 and right-angled drive 14, 15, from a gearbox 9 connected to the tractor power take-off (not shown). The gearbox 9 also drives the scythe-rotor 10. The flap 24 is held in an adjusted position by an apertured plate 28 and is fan-shaped. The main frame 3 rests upon skids 6.
Patent GB-1174570-A (GB)
Title: Shielded Jack
Inventor: DIXON JOHN J
IPC: B66F3/25
Filed: 1966-12-09
Abstract: 1,174,570. Hydraulic jacks. DUFF-NORTON CO. 9 Dec., 1966, No. 55271/66. Heading B8J. [Also in Division H1] A jack or ram 10 comprises a cylinder 14 with a piston 30 having a swivel top plate 18. An elastomeric sleeve 20 is secured to the cylinder 14 by a sleeve clamp band 58 and to the top plate 18 by means of a sleeve neck 24. The jack is single acting. The sleeve 20 shields the extended portion of the piston 30 from a corrosive atmosphere, grit or the like and when the fluid pressure is relieved the tension of the sleeve 20 retracts the piston 30 into the cylinder 14. The jack 10 may be of hydraulic, pneumatic or of electrical solenoid type and may be completely sealed for submerged operation.
Patent GB-1426883-A (GB)
Title: Dispensing apparatus
IPC: B67D1/12
Filed: 1972-12-06
Abstract: 1426883 Dispensing liquids DISTILLERS CO (CARBON DIOXIDE) Ltd 27 Feb 1974 [6 Dec 1972] 56179/72 Heading A4T Liquid, e.g. beer dispensing apparatus, comprises a dispensing head connected to a liquid source by a supply line including a pump, valve means in the supply line, and control means having a first condition in which the valve means is closed and the pump inoperative, a second condition in which the valve means is open and the pump inoperative, and a third condition in which the valve means is open and the pump operative. For the third condition, for high speed dispensing, a button P is fully depressed to close micro-switches M 1 , M 2 , the former energizing a solenoid coil SC to open the valve, and the latter energizing a relay coil RC, Fig. 1A (not shown), to actuate the pump. With the button P partially depressed, only the microswitch M 1  is closed, opening the valve with the pump inoperative to allow a trickle of liquid e.g. for topping up.
Patent GB-1099300-A (GB)
Title: Improvements in or relating to yarn packaging
IPC: B65D81/20
Filed: 1966-12-16
Abstract: 1,099,300. Yarn packages. SOCIETE RHODIACETA. Dec. 16, 1966 [Dec. 22, 1965], No. 56443/66. Heading B8C. To prevent layers of yarn sloughing, the yarn, wound on a rigid support, is enclosed below atmospheric pressure in a flexible plastics envelope. As described, the yarn is cross wound on a flat or cylindrical card-support, which, after steam shrinking, is placed in a plastics envelope which is evacuated and sealed by fasteners or by welding. The plastics film may be extruded directly round the bobbin followed by evacuation and final sealing.
Patent GB-1270919-A (GB)
Title: Printer
Inventor: ABELL WILLIAM ALBERTUS JR
IPC: B41J29/64
Filed: 1970-11-27
Abstract: 1,270,919. Typewriters. INTERNATIONAL BUSINESS MACHINES CORP. 27 Nov., 1970 [22 Dec., 1969], No. 56543/70. Heading B6F. Variable impression; back-spacing.-A variable impression mechanism as described in Specification 1,187,507, has incorporated therewith a back-spacing mechanism. The yoke 70 axially moves the cam-follower roller 50 into alignment with three profiles (61, 62 and 63, Fig. 2) of cam 60, to effect respectively a highprint velocity, a low-print velocity and a noprint velocity. Cam 60 additionally has a backspacing profile (64). Movement of the drive link 113 of the back-spacing mechanism (Fig. 3), is generated by a cam follower roller 117 that engages the profile (64) of cam 60 and is contiolled by a tab 79 that is carried by, and thus is responsive to the position of the yoke 70. During each cycle, print shaft 16 will rotate to drive cam follower 117. This motion will be ineffective, since the lower end 118 of a floating link 119 supporting follower 117, is free to waste the motion generated by the cam profile 64. When the yoke 70 is displaced to its back-space selecting position, wherein the follower roller 50 tracks on cam track (69) of profile (63), the tab 79 becomes aligned with the end 118 of floating link 119, thereby restraining its movement. The back-spacing profile (64) thereupon generates a motion of the link 113 to operate the back-spacing mechanism, but since the follower roller 50 is tracking on cam profile (63), no print stroke takes place. Letter-spacing; back-spacing.-Letter-spacing of the type-carriage 20 is accomplished by a mechanism like that described in Specification 983,549. As escapement pawl (23) is pulled outwardly, surface (23a Fig. 3) contacts a tab (110b) on back-space pawl (110) causing it to be pulled from engagement with rack 17. After letter-spacing under the influence of a main spring, both pawls (23 and 110) re-engage the rack 17. The back-space operation is generated by movement of the link 113, which causes clockwise pivoting of a bell-crank 114 about a stud 115 fixed to the carriage 20. The end (114a) of bell-crank (114) carries a pin (116) that engages an escapement permitting slot (110C) in the back-space pawl (110). Since pin (116) cannot move laterally with the pawl (110) engaging rack 17, the motion of link 113 will cause the stud (115) to move, carrying with it the carriage 20 back one letter space.
Patent GB-1203159-A (GB)
Title: Infrared transmitting filter
Inventor: KLIKORKA JIRI
IPC: G02B5/22
Filed: 1968-12-04
Abstract: 1,203,159. Infrared filters. TESLA NARODNI PODNIK. Dec.4, 1968 [Dec.15, 1967], No. 57590/68. Heading G2J. An infrared transmitting filter consists of an  anti-reflecting coating of arsenic sulphide on a cadmium-antimony plate located before the receiver of an electro-optical sensing device, and filters out the shorter wavelengths, up to 2À4Á, of the sun's rays, the anti-reflection coating being applied to each surface of the plate and comprising AS 2  S I  where x=1À5 to 5À5, and is of thickness 'd' given by the formula d= (2K-1)#o/4n 1  where K = 1, 2, 3 ..... n #o = Wavelength of desired maximum transmittance n = refractive index of the AS 2  S x  coating. Preferably the AS 2 S x  coating has a value of x lying from 4À5 to 5À5. Such a filter has a use in detecting hot-running axle-bearings which might also be exposed to the sun's rays.
Patent GB-1157926-A (GB)
Title: Polymerisation Process
Inventor: GAMMON GEOFFREY JAMES
IPC: C08F10/00
Filed: 1966-12-23
Abstract: 1,157,926. Polymerizing mono-olefins. BRITISH PETROLEUM CO. Ltd. 21 Dec., 1967 [23 Dec., 1966], No. 57641/66. Heading C3P. Crystalline polyolefins are made by polymerizing an olefin in the presence of a catalyst prepared by mixing (a) a compound of a transition metal of Group IV, V, VI, VII, or VIII, of the Periodic Table according to Mendeleeff and (b) a monovalent magnesium compound prepared by thermally decomposing a hydrocarbyl magnesium halide at elevated temperature and under reduced pressure. The olefin and monovalent magnesium compound are aged together before the transition metal compound is added, preferably at 0‹ to 80‹ C. for ¢ to 5 hours. Preferred transition metal compounds are TiCl 4  and TiCl 3 . Specified oleflns are ethylene, propylene, and 4-methyl-pentene-1. Polymerization may be effected in bulk or in a liquid hydrocarbon and the polymer recovered by conventional techniques.
Patent GB-1458681-A (GB)
Title: Optical character recognition system and method
IPC: G06V30/10
Filed: 1973-12-13
Abstract: 1458681 Separating sheets OPTICAL BUSINESS MACHINES Inc 13 Dec 1973 [7 June 1973] 57803/73 Heading B8R [Also in Division G4] Cards 301 from a stack (Fig. 3) are individually fed by a suction head 304 mounted on an arm 305. Arm 305 is pivotably mounted at 312 to arm 310 and is raised and lowered by a solenoid 320 operative via arms 314, 318. When arm 305 is raised arm 314 operates a microswitch 322. The arm 305 is advanced and retracted by an air motor 308 operating to pivot arm 310 about a fixed pivot 313. Arm 309 carries a pin 323 operating a microswitch 324 when arm 305 is retracted. The leading end of head 305 is inclined and the leading edge of a delivery path 303 is inclined. Air under pressure is supplied to a channel 322 to provide a jet of air which tends to separate cards if the head 304 picks up more than one card and suction is applied to a channel 330 to attract an incorrectly raised card and operate a detector. Head 304 carries a flange 327 arranged to block an air pressurized sensing part 328 if the level of the uppermost card drops below a predetermined height. The blockage is detected (Fig. 7, not shown) and causes air under pressure to be fed to motors which raise the holder 302 a predetermined amount. Cards fed to the delivery path (Fig. 5) are advanced by a step motor which via cylinder 504 drives sets of rollers 501, 504. Each set 501 or 504 contains two rollers spaced transversely of the card path (Fig. 6, not shown). Situated downstream of the rollers 501 are three transversely spaced document skew sensors 521, 522 of which either the inner two or the outer two are operative depending on the width of the document. If the document is advanced more than one step between one sensor sensing the leading edge of the document and the other sensor sensing the leading edge then the document is skewed. The rollers 501, 504 have associated pinch rollers 505, 507 operated by solenoids 506, 508. The cards are further advanced by rollers 509, 510, 511 and delivered to either a normal stacker bin 530 or a reject stacker bin 531.