baber/WOPTO huggingface dataset:
Patent GB-1064634-A (GB)
Title: An extrusion head for extruding sheets of plastic material and provided with sheet haul-off apparatus
IPC: B29C48/355
Filed: 1964-08-07
Abstract: 1,064,634. Extruding plastics sheets. PLASTIC PRODUCTS Ltd. Aug. 7, 1964 [Aug. 16, 1963], No. 32201/64. Heading B5A. Downwardly extruded pairs of sheets of plastics material for supplying to a blow mould for making hollow articles are obtained of uniform thickness by the use of sheet withdrawal means mounted on the extruder head 1 and comprising a frame 4 carrying devices 12, 12a and 13, 13a for gripping the extruded sheets 2, 3, and movable downwardly by power-actuated means such as a motor-driven roller 9 driving a vertical rod 5 carrying the frame 4, and upwardly as by a spring 11. The grippers 12, 12a and 13, 13a comprise water-cooled tubes, two, 12a and 13, being fixed to the frame 4, and two, 12 and 13a, being movable towards the fixed grippers by pneumatic piston and cylinder devices 14, 14a against the action of springs (not shown). In operation the frame 4 is initially immediately below the extruder head 1, and the ends of the extruded sheets 2, 3 are gripped by the grippers and at the same time a pneumatic cylinder and piston device 10, 10a is actuated to engage the drive roller 9 with the rod 5, so that the extruded sheets are drawn downwardly at a rate which may be varied to control their thickness. When the desired length has been extruded the grippers are released and the drive roller G retracted from the rod 5 so that the frame 4 is drawn upwardly by the spring 11. The sheets 2, 3 are then reengaged by the grippers, severed by a knife (not shown) just above the frame 4, and the frame is lowered to carry the sheets to a blow mould (not shown).
Patent GB-731189-A (GB)
Title: Improvements in focussing devices for cathode ray tubes
Inventor: NEWLAND EDWARD STANLEY
IPC: H01J29/68
Filed: 1952-12-19
Abstract: 731,189. Cathode-ray tubes. GOODMANS INDUSTRIES, Ltd. Dec. 18, 1953 [Dec. 19, 1952], No. 32310/52. Class 39 (1). A focusing device for a C.R.T. comprises a supporting member 1, a first annular magnet 4 fixedly held in spaced relation to said member, a second annular magnet 5 disposed coaxially of the first magnet 4 and guided for axial movement relative thereto, and manually rotatable cam means 7 disposed between the magnet 5 and the supporting member 1 and operable to adjust the movable magnet 5 relatively to the fixed magnet 4. The supporting member 1 consists of an aluminium or other non-ferrous apertured plate adapted to encircle the stem of a C.R.T. and provided around its periphery with three parallel rods 2 to which is secured an aluminium or other non-ferrous carrier plate 3 carrying the fixed magnet 4, the movable magnet 5 being mounted on a second carrier plate 6 supported by apertured ears for sliding movement upon the rods 2. The cam means 7 consists of an apertured flanged disc rotatably supported upon a series of lugs bent up from the supporting plate 1, the flange portion of the disc being shaped to form a series of curved ramplike lobes 8 bearing against the ears on the carrier plate 6. The cam disc 7 is rotated by an arm 10, a curved blade spring 11 secured to the arm and bearing at its free end against the rear face of the supporting plate 1 providing a frictional lock. The magnetic repulsion of the two magnets 4 and 5 is assisted by coiled compression springs 9 encircling the rods 2 and bearing at their ends against the carrier plates 3 and 6. Means for centring the focusing device accurately upon a C.R.T. consists of a ring 12 adapted to fit closely upon the stem of the C.R.T. and formed with a slotted extension 13 riding on one of the rods 2 so that it can slide and pivot thereon, a handle 14 extending from the opposite side of the ring for displacing the focusing device. The Provisional Specification states that the cam disc may be rotatably supported on a cylindrical bearing surface fixed to the movable carrier plate or formed integral therewith by a pressing operation and provided with a plurality of arcuate cam elements which extend axially through complementary slots in the supporting plate. The cam elements may consist of appropriately bent metal strips fixed to the cam-plate or bent up therefrom. The cam may take the form of a drum or cup-like member, the rim or peripheral portion being shaped to define the cam elements whilst the body portion is apertured for location upon lugs provided on the inside or outside of the movable carrier plate. In another arrangement the cam is reversed, being mounted for rotation on the supporting member with the cam elements actuating the movable carrier plate either directly or through an interposed abutment member.
Patent GB-1263675-A (GB)
Title: Improvements in or relating to a nip device for working flat shaped material
Inventor: ZIMMER PETER
IPC: B41F15/40
Filed: 1970-07-03
Abstract: 1,263,675. Printing apparatus. P. ZIMMER. 3 July, 1970 [7 July, 1969; 3 April, 1970], No. 32323/70. Heading B6C. Web or sheet material is passed through a nip which may be part of a screen-printing apparatus comprising a rotating cylindrical screen 3, an ink supply tube 6 and a roller squeegee 4 which is attracted by stationary electromagnets 16 within a rotating impression cylinder 10, supported on the body which contains the electromagnets 16 by a fluid pressure bearing. Sheet material 1 is carried between screen 3 and impression cylinder 10 by a moving conveyer belt, which may carry the sheet material 1 through a plurality of screen-impression cylinder combinations. Alternatively the moving conveyer belt may pass over a plurality of stationary fluid-pressure bearings which act as impression members.
Patent GB-447066-A (GB)
Title: Improvements in or relating to rotating wing aircraft
IPC: B64C27/02
Filed: 1934-11-09
Abstract: 447,066. Aircraft with rotary-wing systems. COATS, A. G., Gloucester House, Park Lane, London, and HAFNER, R., 47, Mantlergasse, Vienna. Nov. 9, 1934, No. 32339. [Class 4] In aircraft having rotary-wing systems means are provided for transmitting starting torque from the engine to the rotor and comprise a coupling or clutch device, the maximum torque transmissible by which diminishes automatically at low speeds of the driven member thereof and the rotor. As shown, a dog-clutch 1, 3 is placed in series with a fluid-flywheel, the onter case 6a of which is provided with a gear ring which engages a spur wheel 7. The movable portion of the clutch is operated by a pedal 9 against the action of a spring 10. A landing-wheel brake-operating pedal 20 may be applied simultaneously with the pedal 9 through a projection 11 or separately. A brake for the rotating-wing system is operable from a pedal 12 and is releasable, on operation of the pedal 9, by the disengagement of a pawl 13 on the pedal 12 from a quadrant 14 pivoted to the aircraft structure at 15 and connected to the pedal 9 by a projection 18 and a link 17. The pawl and quadrant are normally held in engagement by a spring 19. The pedal 9 may be associated with an over centre or spring toggle mechanism for holding the clutch 1, 3 closed and in this case the pedal may extend on the opposite side of its pivot to facilitate positive operation in each direction. The clutch may be of the type comprising powder or shot instead of fluid.
Patent GB-746789-A (GB)
Title: Improvements in tube couplings
IPC: F16L19/02
Filed: 1953-11-23
Abstract: 746,789. Band clips. MARMAN PRODUCTS CO., Inc. Nov. 23, 1953 [Feb. 16, 1953], No. 32368/53. Class 44. [Also in Group XXVIII] A contractible clam} for a pipe joint comprises channel - section clamp segments 26, embracing the pipe flanges 15, anc secured to a band 30 having terminal loops 31 in which are pivoted a latch 32 and a hollow T-piece 33. A T-headec bolt 29 extends througl the T-piece, and engages a slot in the latch. The sides of the segments diverge conically, and terminate in axial flares 28.
Patent GB-1061268-A (GB)
Title: New water-insoluble azo dyestuffs
Inventor: FISHWICK BRIAN RIBBONS
IPC: C09B29/08
Filed: 1964-08-10
Abstract: The invention comprises water-insoluble azo dyestuffs of the formula <FORM:1061268/C4-C5/1> wherein A is a benzene residue; Y is H, halogen, C1-C4 alkyl or C1-C4 alkoxy; Z is H, halogen, C1-C4 alkyl, C1-C4 alkoxy, CF3 or acylamino; n is an integer of from 2 to 10; X is H or acyl; B and V are alkylene radicals; and W is CN or one of the following which may be further substituted alkoxy, aryloxy, acyloxy, carboalkoxy or aryloxycarbonyl, or B-W is a group of the formula:-(V-O-)n-acyl; the dye-stuffs being free of SO3H and COOH groups. They may be obtained by coupling a diazotized primary amine of the benzene series with a coupling component of the formula <FORM:1061268/C4-C5/2> (see Division C2 for preparation).  One class of preferred dyes are those of the formula <FORM:1061268/C4-C5/3> wherein W1 is CN, -O-aryl or carbo-C1-C4 alkoxy.  A second preferred class of dyes are those of the formula <FORM:1061268/C4-C5/4> wherein P is H, Cl, Br, CN, NO2, C1-C4 alkylsulphonyl, C1-C4 alkoxy or carbo-C1-C4 alkoxy, and Q is H, Cl or Br.  A third preferred class of dyes are those of the formula <FORM:1061268/C4-C5/5> wherein m represents an integer from 2 to 4. Examples are given for the production of the dyes.  They may be used for colouring synthetic textile materials, for example cellulose acetate textiles, polyamide textiles and aromatic polyester textiles.ALSO:Dyestuff intermediates of the formula <FORM:1061268/C2/1> wherein Y is H, halogen, C1-C4 alkyl or C1-C4 alkoxy; Z is H, halogen, C1-C4 alkyl, C1-C4 alkoxy, CF3 or acylamino; n is an integer of from 2 to 10; X is H or acyl; B and V are alkylene radicals; and W is CN, alkoxy, aryloxy, acyloxy, carboalkoxy or aryloxy-carbonyl or B-W is a group of the formula (V-O-)n-acyl, and free of SO3H and COOH groups; are obtained (1) when X is H by reacting the corresponding secondary amine of the formula <FORM:1061268/C2/2> with the required molecular proportions of an alkylene oxide or with a chloro- or bromo-alkanol of the formula Cl-(V-O-)n-H or Br-(V-O)n-H or by hydrolysis of the corresponding compounds wherein X is acyl; (2) when X is acyl by acylating the corresponding compound in which X is H, or by treating the corresponding secondary amine of the above formula with an acylated chloro- or bromo-alkanol of the formula Cl-(V-O-)n-acyl or Br-(V-O)n-acyl.
Patent GB-1511173-A (GB)
Title: Proscillaridin derivative
IPC: C07J19/00
Filed: 1975-08-04
Abstract: 1511173 4<SP>1</SP>-Dehydroproscillaridin BOEHRINGER INGELHEIM GmbH 4 Aug 1975 [5 Aug 1974] 32575/75 Heading C2U The novel title compound is prepared by hydrolysis of its cyclic 2<SP>1</SP>,3<SP>1</SP>-carbonate, cyclic 2<SP>1</SP>,3<SP>1</SP>-(alkyl orthoalkanoates) or cyclic 2<SP>1</SP>,3<SP>1</SP>- (dialkyl orthocarbonates), see Specification 1,511,172. Cardiotonic compositions for oral, parenteral and rectal administration comprise the title compound and a carrier.
Patent GB-1045854-A (GB)
Title: Improvements in or relating to television camera equipments
Inventor: MARCH ROY COLLINS
IPC: H04N5/18
Filed: 1962-08-24
Abstract: 1,045,854. Television. MARCONI CO. Ltd. July 11, 1963 [Aug. 24, 1962], No. 32631/62. Heading H4F. The output signal from a vidicon television camera tube, which appears at terminal 1, Fig. 1, and is applied through stage 3 to output terminals 4, is D.C. restored at the tips of the dark current DCT, Fig. 3, by a clamp stage 14 which is rendered conducting during the tube blanking intervals by pulses CP applied at terminal 15. In accordance with the invention the true black level of the signal is maintained constant, despite variations in the amplitude DP of the dark current consequent upon variations of the target temperature and/or target electrode voltage by arranging to vary the restoration potential applied to clamp stage 14 in dependence upon the amplitude of the dark current. The camera signal is applied through stage 5 to a clamp stage 7 which is rendered inoperative during the blanking interval by pulses applied from terminal 8 to the base of transistor 6. Stage 7 thus functions as shown in Fig. 2 to clamp the most positive excursion of the actual video signal V which will correspond to true black or may be arranged to do so by including one or more opaque strips on the camera faceplate. The resulting clamped signal then passes to a peak rectifier 13 which develops a potential equal to the dark current and applies it to the emitter of clamp stage 14. The level to which stage 7 restores is determined by adjustable potentiometer 10 connected across Zener diode 11. Stages 7 and 13 are of time constant long compared with a frame period. A second embodiment is described with reference to Fig. 4 (not shown) for use with an input camera signal of opposite polarity to that used in Fig. 1. According to a modification the opaque strips referred to above may be dispensed with so that the circuit stabilizes at the level representing the blackest part of the picture.
Patent GB-1200171-A (GB)
Title: Grinding machines
Inventor: FERRIS JOHN EARLE
IPC: B24B19/16
Filed: 1966-07-21
Abstract: 1,200,171. Grinding. MINISTER OF TECHNOLOGY. 31 Aug., 1967 [21 July, 1966], No. 32772/66. Heading B3D. A grinding machine includes: (i) mounting means for a plane-faced grinding wheel; (ii) means for rotating the mounting means about an axis; (iii) workpiece holding means having a welldefined axis at an oblique angle to the axis about which the mounting means is rotatable; (iv) means for moving the mounting means relative to the workpiece holding means along the axis about which the mounting means is rotatable; (v) means for rotating the workpiece holding means about its axis; and (vi) means for moving in an oscillatory fashion the workpiece holding means in a plane perpendicular to the axis about which the mounting means is rotatable. A ferrite rod workpiece 1 is held in a collet 3 rotated at a mean angular velocity of 70 r.p.m. by a friction wheel 5 driven at 27 r.p.m. and contacting a rubber-covered wheel 7 mounted on the collet. The workpiece is offered to a wide face diamond wheel 9 rotated contrary to the workpiece at 2700 r.p.m. and fed upwards into the workpiece at 0À010 in./min.; the workpiece is moved across the face of the wheel 9 at 27 cycles/min. to avoid " hot spots." The collet 3 rests in a V-groove in a block 65 pivoted at 67 to a top slide 17; to adjust the angle of the collet relative to the block, a groove 71 in the block is engaged by an eccentric 69 controlled by a wheel 73 having graduations read off against a pointer 75. The top slide 17 rests in a V-groove in a fixed bottom slide 19. The friction wheel 5 is vertically slidable on its drive shaft 11 so that it rests on the wheel 7; it can be held in inoperative position by a spring clip 13. A cam 15 on the shaft 11 reciprocates the top slide 17 to move the workpiece across the face of the wheel 9. The diamond wheel shaft 39 is carried in bearings 37 in a non-rotatable axially movable screw 31 co-operating with a rotatable, non-axially movable worm wheel 29 meshing with a worm 25 driven from a gear-box 27. The worm 25 is moved into and out of mesh with the worm wheel 29 by a solenoid 43. An arm 33 bolted to the screw 31 moves vertically in a slot 35 and is fastened to a bar 47 carrying a screw 51 actuating a gauge 49 indicating the height of the wheel 9; the bar 47 also carries a screw 55 actuating a microswitch 53 so that when the required depth of cut is reached the solenoid 43 is switched off and the worm 25 taken out of mesh with the worm wheel 29 to terminate the feed. An inching wheel 57 in mesh with the worm wheel 29 is used for setting up. Paraffin is supplied through a tube 61.
Patent GB-676457-A (GB)
Title: A method of producing fat products such as margarine and butter
IPC: A23C15/04
Filed: 1949-12-22
Abstract: 676,457. Butter. AKTIEBOLAGET SEPARATOR. Dec. 22, 1949 [Dec. 23, 1948], No. 32827/49. Class 84 In a method of producing a fat product containing water, e.g. margarine or butter in which the constituents are mixec in the form of twc liquid components i.e. a water component and a fat component, the former having a lower temperature than the fat component at the moment of mixing and being intermixed in an amount adjusted to the desired water content of the final product, the water component is finely divided and intermixed in the fat component so rapidly that there is insufficient time for any real temperature equalization between the components during the fine dividing and intermixing operation, whereby the components before this latter treatment are brought to such a temperature and temperature difference, that at a temperature equalization between the components occurring after the dividing and intermixing operation the fat component crystallizes around the finely divided water component particles maintaining the size and the distribution of them in the mixture. The fat component may consist mainly or entirely of a fat or fat emulsion and the water component may consist mainly or entirely of a fat emulsion. Salt or other flavouring agents may be incorporated in the water component. The components may be mixed in a device, Fig. 1, (not shown), in which the fluid fat is passed through a tube at 10-20 m/sec and perpendicularly thereto the water component at 3-5 m/sec. Fig. 2 shows a device for producing a finer atomization in which the fat component is fed through an inlet 4 into a cylindrical chamber 5 one end wall of which is in the form of a nozzle 6 in which a central pin 7 rotates at a peripheral speed of 1-5 m/sec during mixing with the water component which is fed via inlet 8. The pin 7 is provided with several different diameters and is movably axially so that the through-flow area of the nozzle 6 may be varied. In operation as shown in Fig. 3 the constituents of the fat component are mixed in a container 10 at a temperature above the M.Pt. of the fat and pumped through a cooler 13 where it is cooled to a temperature above the M.Pt. or under cooled below this temperature whilst maintaining its liquid state to the mixer 14 and there mixed with the water component from 15 after having passed through a cooler 18. The water is atomized in the fat in the mixer when the product, the temperature of which is lower than or approximately equal to the solidification temperature of the fat in it, is withdrawn through a pipe 19.
Patent GB-1084218-A (GB)
Title: Improvements in or relatin to stookers
Inventor: MILLER JOSEPH
IPC: A01D85/00
Filed: 1964-12-29
Abstract: 1,084,218. Bale carriers. W. PRENTICE. Dec. 29, 1964, No. 32895/66. Divided out of 1,084,216. Heading B5F. The subject matter is identical with that in the parent case, but the claims differ.
Patent GB-1434934-A (GB)
Title: Electric switch
IPC: H01H36/00
Filed: 1972-07-14
Abstract: 1434934 Magnetic switches F B ISAACS and R ANDERSON 9 July 1973 [14 July 1972 27 July 1972] 32946/72 and 35138/72 Heading H1N A retractive magnetic switch which may be responsive to the relative movement of two components, such as a door and door frame, is mounted on one of the components in a position so that its push-button 12 may be pushed, by the other component, into its housing 1 to move a permanent magnet 8 against the bias of a spring 9 to influence a reed contact unit 6 on the other side of a wall 7 of the housing which has two parallel elongate compartments for the contact unit and the permanent magnet actuator.
Patent GB-341155-A (GB)
Title: Means for automatically oiling wheels of vehicles
IPC: F16N29/00
Filed: 1929-10-31
Abstract: 341,155. Lubricating. HAILWOOD, E. A., Beacon Works, Texas Street, Morley, near Leeds. Oct. 31, 1929, No. 33041. [Class 12 (iii).] Gravity-feed and force-feed lubricating.-Lubricant is automatically supplied to the wheel hubs of a colliery or like tub while the latter is being carried in a fixed position in a mine-shaft cage or hoist L to form an oil vessel O carried in the latter, through pipes P suspended by hollow rods P<2> from the vessel O and adapted to be moved inwards to engage the hubs, against the action of returning springs P<4>, by cam tracks Ax formed in the shaft S, the inward movement of the pipes causing valves P<3> to be opened. As shown in Fig 3, the pipe P carries a plunger P<5> movable against a spring P<6> in a cylinder B pressed towards the end of a casing R by a spring B<1>, the cylinder B having an extension B<2> provided with a cam portion B3 adapted to engage an operating arm P<6> for a valve P<7> in a supply pipe 02 leading into the casing R. As the casing is moved by the acticn of the cam in the shaft, the pipe P moves in and eventually causes movement of the cylinder B, whereby the valve P<7> is opened and oil flows into the casing R and through an aperture B<4> into the pipe P. The latter may, however, be arranged to act as a pump plunger so as to eject oil therethrough under pressure.
Patent GB-348007-A (GB)
Title: Improvements in electrical heating units
IPC: F24C15/10
Filed: 1930-02-08
Abstract: 348,007. Electrical hot plates. BRAY & CO., Ltd., G. and BRAY, G., Leicester Place, Leeds. Feb. 8, 1930, No. 33090. Divided on 346,089. [Class 39 (iii).] An electrical heating element consisting of a resistance enclosed in a sheet-metal casing, such as those described in Specifications 346,089 and 345,423, [Group XXXVI], is supported on a device consisting of a narrow strip of metal with upstanding lugs on which the heating element is supported clear of the strip. In the arrangement shown the support is formed of a strip A of angular cross-section and circular form. Some of the lugs B are mounted directly on the strip, while others B<1> are situated on radial projections. Forms are also described with lugs on outward projections and with a straight strip with lateral projections. The leads d may pass through some of the lugs as shown.
Patent GB-452504-A (GB)
Title: Improved method of and means for conditioning gases by cooling
IPC: F24F3/14
Filed: 1934-11-17
Abstract: 452,504. Refrigerating. KELVINATOR CORPORATION, 14250, Plymouth Road, Detroit, Michigan, U.S.A. Nov. 17, 1934, Nos. 33128 and 33129. Convention dates, Feb. 3 and March 7. [Class 29] [See also Group XXXV] In the cooling of gases, particularly the air of rooms &c., by passage over heat-absorbing surfaces, the effective area of the surfaces is varied automatically, in accordance with the humidity of the gas, by screening a part of the surfaces. The air &c. to be cooled is circulated by a fan 33 through a chamber 38 containing finned evaporator coils 36, 37 of a compression refrigerating machine 60, 70. The two parts of the evaporator may be separated by a partition 28, Fig. 1, and the screening device may comprise a perforated baffle 43 which is movable by an electromagnet 45 controlled by a humidostat H. The baffle is in the full line position shown when the humidity is above that desired, and in the dotted line position when the humidity is too low, the air being then directed away from the part 37 of the evaporator. In the arrangement shown in Fig. 3, a pivoted baffle 157 is movable by an expansible chamber 164 in a container 162 for a volatile medium, provided with a heating coil 167 controlled by the humidostat H. The refrigerating machine is subject to the control of a thermostat T, and the arrangements of expansion and control valves in the machine are similar to those described in Specification 451,847. The Specification as open to inspection under Section 91, comprises also humidostatic control of the speed of a fan circulating air over the coils, as described in Specification 452,765. This subject-matter does not appear in the Specification as accepted.