baber/WOPTO huggingface dataset:
Patent GB-1420665-A (GB)
Title: Method and apparatus for transducer temperature compensation
IPC: G05D3/14
Filed: 1973-09-14
Abstract: 1420665 Automatic control of position XEROX CORP 14 Sept 1973 [15 Sept 1972] 43190/73 Heading G3N  In a positioning system, compensation for differences in thermal expansion of the positioned member and a position transducer is provided by combining a signal from the transducer with one from an ambient temperature sensor and applying the result to a positioning actuator. In the embodiment, a magnetic head 10 is positioned on a selected track an a memory disc 12 by an actuator 14 in response to the difference between a commanded position from 24 and the actual position from a transducer 28. A stabilizing velocity signal from 32 may be added. The transducer comprises an optical grating 54, Fig. 3 attached at its centre to the head arm 56. Light from source 50 traverses 54 and a second, fixed, grating 58 to produce sine waves in sensor 60 when the arm moves; each cycle corresponds to one track on the memory disc and the system comes to rest, when the required track is reached, at the zero point on the rising side of the sine wave. The compensation circuit is disconnected by swtich 40 until motion stops, when the actual position, stored as a plus or minus member of cycles from the centre position is multiplied in an operational amplifier Fig. 2 (not shown) with the signal from a temperature sensor. The circuit constants are adjusted so that the result is zero at a reference temperature; any departure from this produces a correcting voltage to the actuator to effectively offset the zero crossing point of the sine wave and hence corrects the position of the head 10.
Patent GB-1201696-A (GB)
Title: Glass lasers
Inventor: LEE HAYNES ALEXANDER JR
IPC: H01S3/17
Filed: 1968-09-12
Abstract: 1,201,696. Glass laser compositions. OWENSILLINOIS Inc. 12 Sept., 1968, No. 43378/68. Heading ClM. [Also in Divisions C4 and HI] A glass laser composition with low solarization properties includes 45 to 75 mole per cent of SiO 2 , 15 to 35 mole per cent of Li 2 O, 0À5 to 30 mole per cent of CaO and 0À1 to 2 mole per cent of Nd 2 O 3 , the total amount of Li 2 O and CaO present not exceeding about 50 mole per cent. When the Li 2 O is present at about 15 mole per cent, the amount of CaO is at least about 10 mole per cent, and when the CaO content is at about 0.5 mole per cent the amount of Li 2 O is at least about 24 mole per cent. Optionally up to 8 mole per cent of Al 2 O 3  may be used in the composition which includes a solarizationinhibiting oxide preferably of 0À1 to 2 mole per cent CeO 2 . Other suitable inhibiting oxides which may be substituted wholly or partially for the CeO 2  are those of antimony and titanium. Specific glass compositions are, in mole per cent: SiO 2  60 50 50.84 Al 2 O 3  2À5 2À5 2.12 Li 2 O 27À5 27À5 23À31 CaO 10 20 23.17 Nd 2 O 3  0À5 0À5 0À42 CeO 2  0À16 0À16 0À14 A laser rod is prepared from the melt, and is tested by locating it in a reflective cylindrical cavity and pumping with a helical xenon flashlamp.
Patent GB-1363667-A (GB)
Title: Viewer printer apparatus
IPC: G03B21/11
Filed: 1971-09-17
Abstract: 1363667 Electro-photography XEROX CORP 17 Sept 1971 [18 Sept 1970 (5)] 43465/71 Heading G2H An image of a selected frame of a film on a removable transport module 116, Fig. 1, is projected on to a viewing screen 111 and then on to a disposable charged photo-conductive web 351, Fig. 2, the resulting charge image being developed by liquid or dry developer (the development being direct or reversal depending on selected electric field conditions) and the developed image being transferred to a copy sheet from a stack 440. As shown, development is effected by means of a pivotal doctored gravure roller 369 fed with printing ink. Charging of the photoconductive web is effected by opposed corotrons of opposite polarity. The film may be driven at variable speed in either direction for selection of a desired image (and focusing and reorientation, if desired with the aid of the viewing screen, the image being projected on to the rear of the screen by means of a pair of rotatable mirrors which may effect reorientation through 90 degrees. Projection of the image on to the web is effected by tilting a further mirror 286, the exposure intensity and time being variable. The photo-conductive web is supported in a removable tray member 492 Fig. 23 (not shown).
Patent GB-434724-A (GB)
Abstract: 434,724. Cash registers. NATIONAL CASH REGISTER CO., Dayton, Ohio, U.S.A. March 7, 1934, No. 7268. Convention date, March 13, 1933. [Class 100 (iv)] [See also Group XIX] Sheet feeding and guiding arrangements.- In a cash register or similar accounting-machine of the kind wherein a printing-hammer is given two excursions to make an impression on an inserted slip and a record strip successively, the slip is fed out of the machine by a feeding-bar of substantially the same width as the hammer and positively actuated after the first excursion of the hammer. The record strip 17 passes over a writing plate 15, around a fixed roller 16, between the platens 13 and type-wheels 14, and around a flexibly mounted roller 39. This roller is mounted on arms projecting from a shaft 40 and is urged downwardly by a spring 45 engaging a cranked extension 44 of one of the arms. The roller may be raised by manipulation of an ear 46 on the extension to permit the insertion of a new strip. An endless ink-ribbon 22 passes over the typewheels and is held in raised position beneath the roller 39 by means of springs 48. The arrangement is such that the record strip and ink ribbon serve to guide the leading edge of a slip, inserted through a slot 21, into a notch 24 in an ejecting-bar 23. This bar extends the full width of the platens to be operative on slips of all sizes and is camactuated immediately after the slip has been printed positively to eject the slip and permit the record strip to be impressed at the second excursion of the platens. Specification 227,852, [Class 100 (iv)], is referred to.
Patent GB-1471702-A (GB)
Title: Method and apparatus for adjusting cutter blades in pelle tizing apparatus
IPC: B29B9/00
Filed: 1974-10-10
Abstract: 1471702 Pelletizing by extrusion JAPAN STEEL WORKS Ltd 10 Oct 1974 [8 Jan 1974] 43979/74 Heading B5A [Also in Division G3] In pelletizing apparatus, rotating cutter blades are advanced towards a die. When contact between the blades and the die surface is electrically detected, the blades are retracted by a predetermined distance or compressed against the die by a predetermined force. As shown in Fig. 1, melted synthetic resin strands are extruded through nozzles 16 of a die 3 and cut into pellets by rotating blades 1. The pellets are cooled and solidified by water flowing through a cutting-box 24. The blades 1 are mounted on a holder 6 resiliently secured to the end of a shaft 2, Fig. 2 (not shown), which is rotated by a sleeve 22 driven by belts 12. The axial position of the shaft 2 and associated cutter is controlled by a sleeve 7 which is moved by a worm drive 8, 9 connected to an electric motor controlled from a panel 18. The shaft 2 can be rapidly withdrawn by an air-powered piston 13. In operation, the shaft 2 is initially retracted by the piston 13 and the worm drive 8, 9. The piston is then driven forward, allowing the shaft to be advanced slowly by the worm drive, the cutter blades being continuously rotated. When the blades 1 contact the die 3, they also contact electrodes 4 causing a transducer 5, Fig. 5 (not shown), to feed a pulse signal to the control 18. A digital circuit 17, Fig. 4 (not shown), holds a preset count which is counted down by pulses derived from a counter 14 responsive to the distance moved by the shaft 2. When zero is reached, a control signal is produced to turn off the worm drive, leaving the blades 1 in contact with the die and under a predetermined pressure against it. If the blades wear during use, and contact with electrodes 4 is lost, the signal from the transducer 5 disappears, so that the worm drive starts again to restore contact of the blades and die and apply the desired pressure. Alternatively, when contact is achieved, the worm can be driven in the reverse direction to set the blades at a desired spacing from the die.
Patent GB-1138521-A (GB)
Title: Improvements relating to the formation of integral fins on a workpiece
Inventor: STIMPSON JOHN GILBERT
IPC: B21C37/20
Filed: 1964-10-28
Abstract: 1,138,521. Rolling; flow of metal produced by rotary rubbing tools; forging. FAIREY CO. Ltd. 26 Jan., 1966 [28 Oct., 1964], No. 44032/64. Addition to 884,980. Headings B3H, B3M and B3V. An integral helical fin is formed on the surface of a workpiece 33 by means of freely rotatable or driven rollers 20 mounted on a rotating tool 10, Fig. 2, the rollers softening the workpiece by their repeated impacts. Each roller is formed by a number of separate or integral parallel discs 15 of increasing diameter. The workpiece is fed at a slight angle to the axis of rotation 13 of the tool to permit a helical fin to be progressively formed on the workpiece. Guide plates 25 are located between the rollers, the plates extending in the same planes as the discs of the rollers with a plate corresponding to each disc. A milling cutter may be provided on the tool for finishing the edge of the fin. The tool can be arranged to surround a workpiece, the rollers in this case extending radially inwards towards the axis of rotation of the tool. The rollers may be positively rotated by gearing either in the same or the opposite direction of rotation as the tool and a friction brake may be provided for each roller to produce frictional retardation of the discs. The disc of each roller closest to the tool body can be made integral with the body and integral with the adjacent guide plates 25.
Patent GB-941138-A (GB)
Title: Improvements in or relating to hydraulic power control systems
IPC: F16K31/12
Filed: 1960-12-23
Abstract: 941,138. Valves. SONOMOTIVE ENGINEERS Ltd., and A. F. DE FRAINE. March 6, 1962 [Dec. 23, 1960], No. 44309/60. Heading F2V. A generator 4, Fig. 1, of alternating hydraulic pulses supplies a tool 5 by a line 6, which tool is provided with an electric switch 7 connected by a cable 8 to a valve system 9 at the generator by means of which the latter is open to or cut off from the line 6. The valve system comprises a main spring-loaded piston valve 10, Fig. 2, controlling connection between ports 13, 14 which lead to the line 6 and generator 4, respectively. The actuation of the valve 10 is determined by a pair of auxiliary valves 17, 18, on a common rod 16 moved by a lever 27 operated by a lowvoltage solenoid 23 whereby space above the valve 10 is either subjected to a pump pressure via port 21, 31, or exhausted through port 31, 22; the solenoid may be energized by a battery or generator. The line 6 may be of flexible rubber material incorporating a braided metal reinforcement which may comprise one of the cable leads, the other being in an annular space between the rubber line and a loose insulating covering; both leads may be embodied in the wall of the plastics cover. Alternatively an external insulated conductor with the braid serving as part of an earth return system may be used; the braid may comprise the conductor, with the frame attached to one side of the battery as the earth return. A two wire cable may be inserted in the power line; one of these wires may be constituted by the braid. The electrical connections may be in the form of terminals, plugs or an insulating sliding sleeve.
Patent GB-958186-A (GB)
Title: Salicylamide derivatives
IPC: C07C/
Filed: 1962-11-23
Abstract: The invention comprises N-(4-diethylaminobutyl)-salicylamide and O-acylates thereof, and their citrates.  They may be prepared from the acid chlorides and 4-diethylamino-butylamine. Examples are given. The amides of the invention, which are analgesics, may be made up into pharmaceutical compositions, e.g. pills, suppositories or injectable solutions, with suitable carriers.  German Specification 1,098,001 is referred to.
Patent GB-1390725-A (GB)
Title: Benzimidazole derivatives process for their preparation and compositoons incorporating them
IPC: C07D307/14
Filed: 1973-09-25
Abstract: 1390725 Alkyl benzimidazolyl-carbamates ROUSSEL-UCLAF 25 Sept 1973 [27 Sept 1972] 44762/73 Heading C2C The invention comprises alkyl benzimidazolylcarbamates of formula where R is methyl or ethyl, and R<SP>1</SP> is a tetrahydrofurfuryl radical, a saturated or unsaturated oxygenated heterocycle having 4 or 5 carbon atoms, or an acyl radical Z-CO-, Z being an unsaturated aliphatic radical having from 2 to 4 carbon atoms and bearing at least two halogen atoms. They may be prepared by reacting the appropriate alkyl benzimidazolyl-carbamate of formula with an isocyanate of formula The compounds of Formula I are used in fungicidal compositions.
Patent GB-1005238-A (GB)
Title: New pyrazolone compounds and processes for their preparation
IPC: C07D231/22
Filed: 1962-08-07
Abstract: The invention comprises pyrazolones of formula <FORM:1005238/C2/1> wherein Z is an alkyl radical, Ar is a phenyl radical, M is an alkylene radical, n is 0 or 1 and Y1 is an ortho- or para-dihydroxyphenyl radical or a diacyloxy derivative thereof, preferably a diacetoxy radical.  The pyrazolones are prepared by diazotizing a compound of formula Y1-(M)n-Ar-NH2 and reacting the diazo compound with a substituted succinic acid ester. The compounds obtained by hydrolysis of the acyloxy groups to yield hydroxy groups are used in the preparation of photographic dye developers.  In an example, 2,5-diacetoxy-phenethylaniline is diazotized and the aqueous solution of the diazonium compound added slowly with stirring to a cooled solution of diethyl acetosuccinate in pyridine.  The mixture is stirred for 20 hours, acidified with concentrated hydrochloric acid and extracted with ether to yield 1[p-(21, 51-diacetoxyphenethyl)-phenyl] - 3 - carboethoxy - 5 - pyrazolone. The preparation of 1-[p-(21, 51-diacetoxyphenylpropyl) - phenyl] - and 1 - [p - (21, 51 - diacetoxyphenyl) - phenyl] - 3 - carboethoxy - 5 - pyrazolone is also described.  Specification 853,479 also is referred to.
Patent GB-1346009-A (GB)
Title: Fuel injection pump for internal combustion engines
IPC: F02M59/44
Filed: 1972-09-29
Abstract: 1346009 Fuel injection pumps ROBERT BOSCH GmbH 29 Sept 1972 [2 Oct 1971 12 July 1972] 44956/72 Heading F1A In an in-line fuel injection pump having pumping pistons 15 rotatable by a longitudinally displaceable regulating rod 16 to vary the delivery, a guide rail 31 held in supports 35, 36 in a longitudinal bore 29 in the pump 10 slidably supports the regulating rod 16. The regulating rod 16 is of rectangular cross-section with tangs 17 extending perpendicular to the side surface thereof facing the pistons. Each tang 17 has a slot 18 which receives a ball 21 soldered to a pivot arm 19 keyed to a respective piston and rotatable on that piston's cylinder bush 12. A tappet spring 27 bears on a plate 25 to retain the pivot arm on the bush 12. The guide rail is of U-shaped cross-section and is provided with guide flanges 33 for retaining the regulator rod in the guide rail. Radially extending flanges 42 on the guide rail 31 are clamped between plates 38, 39 forming the support 35, an offset aperture 44 in the plate 39 co-operating with a recess 46 in the regulator rod in order to limit movement of the latter. A tension spring (not shown) extends parallel to the rail 31 and is connected between a pin 62 on the rod 16 and a hook (63) or one of the flanges 42 on the rail 31, Figs. 6 and 7 (not shown).
Patent GB-1519189-A (GB)
Title: Tuning device for producing a tuning voltage
IPC: H03J1/06
Filed: 1975-10-30
Abstract: 1519189 Variable resistors CLARION CO Ltd 30 Oct 1975 [31 Oct 1974 6 Nov 1974 22 Nov 1974 26 Nov 1974 27 Feb 1975] 44983/75 Heading HIS [Also in Division H3] A tuning device has a shaft 3<SP>1</SP>, 311 which is rotatable by a control knob 3 and which is selectively coupled, as determined by a band change selector 17, to one or other of a pair of rotatable screws 7, 7<SP>1</SP> for respective sliders 12, 12<SP>1</SP> of associated resistors and each pair of rotatable screw corresponds to a respective arm 6 which is pushed to obtain the coupling and to electrically connect the associated slider to a tuning circuit. In Fig. 1 a lever 16 can be pivotted to the left or right so as to operate AM/FM band switch SW via lever 17 and couple a gear Z to one of crown gears 1, 1<SP>1</SP> of a pressed button E by means of switching levers 8. The screw 7 of the variable resistor selected is then adjusted by rotation of knob 3. The resistors are connected by contacts 4, (4<SP>1</SP>, Fig. 2, 6 and 7, not shown) to the selected AM/FM electronic tuner (24, 25). In order to use a single dial scale device a switch (26) is coupled to the band switch SW to reverse the polarity of the voltage applied to the variable resistors. Alternatively the screws 7 7<SP>1</SP> have reverse thread directions. In a further embodiment (Figs. 12- 15, not shown) the band switching lever 16 is replaced by switching plates 28 at the ends of the arms 6 of the push button A and E which co-operate with levers 8 to switch the band when button A or E is pressed. In a still further embodiment (Figs. 16 and 17, not shown) the levers 8 selectively operate clutches (30) at the end of each screw 7, 71.
Patent GB-1349320-A (GB)
Title: Devices for balancing rotating bodies
IPC: F16F15/32
Filed: 1972-09-29
Abstract: 1349320 Balancing grinding wheels SCHNEIDER MASCHINENBAU GmbH 29 Sept 1972 [30 Sept 1971] 45017/72 Heading B3D [Also in Division F2] A rotatable body (e.g. a grinding wheel 10) mounted on a shaft 6 is dynamically balanced by moving two balance weights 2, 2a (e.g. of semicircular segmental shape) independently by separate electric motors 1, 1a (e.g. via reduction gears 12, 12a). The shaft 6 may be hollow housing the motors 1, 1a and weights 2, 2a each motor being encircled by the path of its balance weight, and receiving electrical power via slip rings 3.
Patent GB-1327529-A (GB)
Title: Method of manufacturing a sewing machine main shaft assembly
IPC: D05B69/34
Filed: 1971-09-28
Abstract: 1327529 Moulding wheels NECCHI SpA 28 Sept 1971 [17 Nov 1970] 45139/71 Heading B5A [Also in Divisions B7 and F2] A method of moulding a sewing machine main shaft assembly comprises placing an end portion of the shaft 10 in a mould cavity and then introducing plastics material to form a moulded body about the shaft end and provided with a hand wheel portion 11 and pulleys 12,14. The shaft has a grooved portion 16 of reduced diameter providing a non-rotary connection between the body and shaft. The moulded body has thin radial ribs 17 and the pulleys 12, 14 incorporate gearing 13 and 15. After the moulding stage and before the body has cooled a disc 20 of plastics material is urged into the hand wheel and secured by shrinkage as the hand wheel cools.
Patent GB-1371522-A (GB)
Title: Process for forming a manganese bismuthide film
IPC: C23C14/14
Filed: 1971-10-01
Abstract: 1371522 Manganese bismuthide INTERNATIONAL COMPUTERS Ltd 2 Oct 1972 [1 Oct 1971] 45773/71 Heading C1A [Also in Division C7] A manganese bismuthide film is formed on a substrate of, e.g. glass or mica by vacuum depositing Bi and Mn and then a layer of air impervious material, e.g. SiO, and then heating. The Bi and Mn may be heated by an electron beam, and they may be deposited separately or simultaneously.
Patent GB-1491493-A (GB)
Title: Textile printing apparatus
IPC: D06B11/00
Filed: 1974-10-23
Abstract: 1491493 Transfer printing IMPERIAL CHEMICAL INDUSTRIES Ltd 6 Oct 1975 [23 Oct 1974 (2)] 45841/74 and 45842/74 Addition to 1405457 Heading B6C In a textile transfer printing device with two opposed heated platens 12, 20 the lower platen 12 is supported on the pistons 28 of flexible rolling diaphragm air cylinders 29. The platens 12, 20 are urged together by a vacuum produced at the surface of the pistons 28 through vacuum tube 31 and the pressure is adjusted by applying various pressures to the lower side of the pistons 28.
Patent GB-1286982-A (GB)
Title: Processing apparatus for yarn
IPC: B65H57/14
Filed: 1969-09-17
Abstract: 1286982 End catchers TEIJIN Ltd 17 Sept 1969 [18 Sept 1968] 45928/69 Heading DID [Also in Division F2] In apparatus guiding a number of threads 6a, 6b, 6c from, e.g. a drafting machine to a winding machine, snarling of a guide roller by a broken thread end is overcome by mounting two identical driver rollers 5a, 5b on a rotatable disc 4, so that when a broken thread end wraps round roller 5a, the disc 4 may be rotated manually or by gearing, and the running threads pass over roller 5b whilst the operator can disentangle the broken thread on roller 5a. A clutch device may be provided to disconnect the drive to the inoperative roller (Fig. 6, not shown). Before passing over the driven roller, the thread preferably passes around a fixed freely rotatable or driven roller 3, having a rough surface, and/or a diameter smaller than that of the rollers 5a, 5b.
Patent GB-956505-A (GB)
Title: Method of and apparatus for removing curl from the edges of textile webs
IPC: D06C3/06
Filed: 1961-12-27
Abstract: 956,505. Feeding webs. V. RILEY. ov. 21, 1962 [Dec. 27, 1961], No. 46241/61. Heading B6B. Curl is removed from the edges of textile material, particularly knitted fabrics, as the material is being fed to e.g. a dyeing beam, by providing adjacent to each edge of the moving material a rotating member with a surface of chrome leather contacting the material and tending to sweep the curl outwardly from the centre line of the material. The rotating member may be of spheroidal shape and covered with chrome leather or, as shown, may comprise two chrome-leather discs 12, 13 with an intermediate disc of nylon. The discs are fixed to the end of the extended shaft 14 of an electric motor 17, the motor being supported from an arm 20 through a ball-andsocket joint 19 which is adjusted so that the plane of the discs makes an acute angle with the plane of the material.
Patent GB-1276886-A (GB)
Title: Remote packoff method and apparatus for wellhead
IPC: E21B33/043
Filed: 1969-09-19
Abstract: 1276886 Wells &c ROCKWELL MFG CO 19 Sept 1969 [16 Dec 1968] 46313/69 Heading E1F A packing assembly for the annulus between casing hangers 110, 115 (Fig. 4) of a subaqueous wellhead comprises a latch retainer 230 having latches 220 engageable with a groove 112 in the hanger 110, a sleeve 210 movable to project and lock the latches in the groove, a sleeve 240 having a threaded connection with the retainer, a carrier 250 rotatably connected to the sleeve 240, and packing 260, 270, 280 supported by the carrier. The assembly is lowered into the wellhead supported on pins 163 of a tool 150, the pins engaging "L" slots 249 in the sleeve 240, the sleeve 210 having "L" slots engaged by pins 235 carried by the retainer and the sleeve 210 being connected to the tool by pins 173. The packing member 280 comes to rest on the hanger 115, the assembly being rotated if necessary to engage anti-rotation lugs 285 with notches 114 on the hanger 115. The tool and sleeve 210 are rotated to the right and moved downwardly to force the latches into the grooves. On further rotation of the tool the pins 173 shear and pins 163 rotate the sleeve 240 relative to the retainer, their threaded connection causing the sleeve to move downwardly to set the packing. Finally the tool is lifted clear of the wellhead, the pins 163 sliding out of the grooves 249. The assembly is removed from the annulus by lowering the tool to engage the assembly, dropping a ball through the tool to block a bore 183, supplying fluid to the tool to force tool pins 165 to engage a groove 216 in the sleeve 210, and raising tool and assembly. As shown in Fig. 1 packing assemblies engage hangers 51, 71, 91 and the hanger 31. A centralizer 106 welded to tubing extension 105 guides extensions 104, 105 and a christmas tree into place. Surface casing 20 has centralizer ribs 23.