baber/WOPTO huggingface dataset:
Patent GB-491822-A (GB)
Title: Improvements in or relating to devices for controlling the air supply to furnaces
IPC: F23K3/12
Filed: 1937-08-18
Abstract: 491,822. Regulating air supply to furnaces. AMERICAN ENGINEERING CO. Aug. 18, 1937, No. 22675. Convention date, Oct. 31, 1936. [Class 51 (i)] The tuyÞre blocks of underfeed stokers are provided with means for regulating automatically the air supply to the fuel bed consisting of a box-like casing 41 the upper wall 42 of which is provided with a hook-shaped member 45 which engages with a tuyÞre while a transverse member 46 rests upon the adjacent tuyÛre below. The casing is provided with a pivoted damper 49 having straps 47, 48 which are adjustably clamped between transverse members at the outer end of the casing. The dampers are actuated by the differential pressure prevailing between the air pressure in the plenum chamber 19 and the draught passage through the casing. Specification 469,974 is referred to.
Patent GB-1462696-A (GB)
Title: Mining installation
IPC: E21C27/34
Filed: 1974-05-21
Abstract: 1462696 Reversing gear GEWERKSCHAFT EISENHUTTE WESTFALIA 21 May 1974 [22 May 1973] 22678/74 Heading F2D [Also in Division E1] A mining installation comprises a mining machine guided by a conveyer or a guide attached thereto; a chain extending along the conveyer and having a working run to which the machine is attached; and a drive system including a sprocket engaged with the chain and driven by a shaft 18, the shaft 18 being rotatable in opposite directions by an electric motor 9 rotating continuously in one direction and a coupling device including two fluid couplings 16, 16<SP>1</SP> and means for withdrawing fluid from one coupling and supplying fluid to the other to change the direction of rotation of the sprocket. In the embodiment shown in Fig. 2 the primary rotors of the couplings are rotated in opposite directions by having a direct drive between a pinion 14 of the motor 9 and a pinion 15 of the coupling 16 and an indirect drive, via an idler 15<SP>11</SP>, between the pinion 14 and a pinion 151 of the coupling 16<SP>1</SP>. In another embodiment the pinion 14 drives the two pinions 15, 15<SP>1</SP> of the couplings directly and the opposite rotation is achieved by having an idler pinion between pinion 18<SP>1</SP> of the shaft 18 and one of the pinions 17, 17<SP>1</SP> attached to the secondary rotors of the couplings. In a further embodiment the pinion 14 drives one pinion 15 or 15<SP>1</SP> which in turn drives the other.
Patent GB-331120-A (GB)
Title: Improvements relating to identification devices for hand-bags or the like
IPC: A45C13/42
Filed: 1929-07-24
Abstract: 331,120. Flint, C., and Shillaker, E. July 24, 1929. Fastening and securing.-Initial letters or other identification means are removably attached, to the catches or other parts of the mouth-frames of hand-bags &c. In the construction shown, the framed letters 6 are placed side by side within a letter-carrying member 1 and held in place by the flanges 5. The reverse side of the part 1, formed with curved flanges 9, is adapted to hold a name and address card. The part 1, with the letters &c. in place, is slid into a holder 2 the sides of which are provided with springs 17 adapted to snap into recesses 10 in the rear flanges 9 to retain the member in position. The base 14 of the holder is formed with hinge knuckles for attachment to the part 3 of a bag mouth frame, a closing spring being provided in the hinge, and with a slot adapted to engage a co-operating catch on the opposite side of the mouth frame.
Patent GB-536839-A (GB)
Title: Improvements in and relating to rubber tyres
IPC: B60C5/02
Filed: 1939-08-04
Abstract: 536,839. Moulding wheel tyres. NORDISKA GUMMIFABRIKS AKTIEBOLAGET OVERMAN. Aug. 4. 1939, Nos. 22699 and 22700. Convention dates, Aug. 4, 1938, and June 27, 1939. [Class 87 (ii)] [Also in Group XXXIV] A cushion tyre comprises a hollow body a with a tubular lining e vulcanized together and to the rim d. The tube is fitted with a valve c for inflating the tyre when required to carry exceptionally heavy loads. As shown in Fig. 2, the tyre may be built up by first lining the rim d with the rubber base portion f on which the tube e is assembled and, at high inflationpressure, used as a core on which the body portion of the tyre is moulded and vulcanized.
Patent GB-628684-A (GB)
Title: Improvements in aircraft control surfaces
IPC: B64C5/10
Filed: 1947-08-15
Abstract: 628,684. Controlling aircraft. OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AERONAUTIQUES (O.N.E.R.A.). Aug. 15, 1947, No. 22731. Convention date, Oct. 31, 1945. [Class 4] Lateral and yawing control of an aircraft is effected by end plates 2 which are normally vertical and serve as stabilizing fins, and are mounted on horizontal, rearwardly-converging axes XY to function as ailerons and rudders. For lateral control both surfaces are rotated about their axes, while for control in yaw one is fixed and the other rotated. The trailing edge portion of each of the surfaces 2 may be provided with a pivoted flap.
Patent GB-325188-A (GB)
Title: Improvements in means for supplying the charge to internal combustion engines
IPC: F02B25/00
Filed: 1928-08-07
Abstract: 325,188. Baker, R. S. Aug. 7, 1928. Two-stroke-cycle engines; cylinders, ports of and pipes for; pumps, centrifugal. - A two-part compressor 21 supplies from independent compartments air and combustible mixture to separate admission ports in the cylinder. As shown applied to a radial cylinder engine the mixture from a manifold 23 passes through chambers 25 passing half round the cylinders to terminal ports 26; air manifolds 27 supply to similar chambers 29 and separate terminal ports 30, these ports being higher than the ports 26 to allow air to enter before the mixture. The exhaust valves 14 are worked through levers and rods 16, 17, 18 from a cam shaft 22. In a modification, the air and mixture valves are concentric; the air valve is a beat valve seating on a reciprocating hollow piston valve which controls the mixture. The air passes through the piston valve. The compressor is driven by bevel gear 35, 37 from the engine crank-shaft.
Patent GB-1432946-A (GB)
Title: Slide control mechanisms for machine tools
IPC: B23Q5/36
Filed: 1972-05-16
Abstract: 1432946 Controlling lathe slides WICKMAN MACHINE TOOL SALES Ltd 9 May 1973 [16 May 1972] 22808/72 Headings B3B and B3T  A machine tool slide control mechanism comprises an electrical stepping motor 22 attached to a rotatable screwed spindle 21 for rotation thereby, a feeder member 39 with a sensor 42 which directly engages in the threads of the screwed member and which controls the operation of a servo valve 16 which controls the fluid supply to a piston and cylinder unit 12, 13 for displacement of the slide 11. The stepping motor is controlled by an electronic numerical control which determines the fast approach, feed and return motors of the tool slide 11, by way of the rotation of the screw 21 and the subsequent action of the feeler member and servovalve. The feeler member 39 is mounted so as to be pivotable in two directions at right angles and has a spring biased sensor 42 which engages in the threads of the screw a spring bias 18 of the servo valve spool 17 maintaining the feeler in abutment with a flank of the screw-thread and the pivoting of the feeler member allowing the sensor to overrun the threads at the end of a predetermined slide movement. The feeler member is arranged to engage a switch at the end of a slide movement to switch off the stepping motor and hence avoid possible damage of the machine parts. Alternative forms of feeler member are described with reference to Figs. 5-9 (not shown).
Patent GB-809799-A (GB)
Title: Improvements in or relating to agricultural implements
IPC: A01B21/02
Filed: 1956-07-24
Abstract: 809,799. Agricultural implements. CORDEBAS, J. N. and FERRE, H. July 24, 1956 [July 25, 1955], No. 22824/56. Classes 6(1) and 6(2).  An agricultural implement comprises a series of cutters 1 rotatably mounted on a shaft 3 and spaced by loosely mounted washers. As shown the shaft 3 is mounted in slots in a member 4 and is held in position by a bent pin 7 provided with an arm 8 held in position by a slide 9. The cutters are each formed of a number of parallelogram-shaped plates riveted together to form a star-shaped disc. The number of cutters can be varied by inserting a suitable number of washers on the shaft 3. For tracing lines of furrows in the soil a shaft 21 may be inserted to prevent rotation of the cutters. A handle 14 is provided and is inserted in a socket 12. Alternatively a touring link may be provided for attachment to a tractor. Cutters may be mounted on two or more parallel shafts.
Patent GB-1536337-A (GB)
Title: Error detection in digital systems
IPC: H04L1/00
Filed: 1976-06-02
Abstract: 1536337 Data transmission; parity systems STANDARD TELEPHONES & CABLES Ltd 26 May 1977 [2 June 1976] 22849/76 Heading H4P In a D.C. disparity system data signals are so scrambled as to contain constant D.C. level over a relatively long period, and special signals or signal modifications are included after relatively short periods to maintain short period parity, means being provided at a subsequent point in the system for detecting errors by detecting changes in D.C. level output of a counter counting received digits. In one embodiment, data is scrambled at 1 at clock frequency then written into a 4 bit store (m=4) at clock frequency ¸4. The store 4 is read out at a rate which provides one spare slot after each 100 bits and a counter 13 produces a parity bit of one selected value which is injected through gate 11 every 101st digit time slot. At a line repeater, the line signals are clocked through a toggle (see Fig. 2, not shown) which does not change its D.C. output if there are no errors. However, a single error or an odd number of errors will cause D.C. output to change. In another arrangement binary data signals are scrambled and then translated into ternary code groups which may be used as a parity check group by suitable coding, e.g. by sending 000 instead of Œ00.
Patent GB-490165-A (GB)
Title: Improvements in or relating to coding and decoding machines
IPC: G09C3/00
Filed: 1937-08-20
Abstract: 490,165. Ciphering-apparatus. INTERNATIONAL BUSINESS MACHINES CORPORATION. Aug. 20, 1937, No. 22889. Convention date, Aug. 29, 1936. [Class 146 (ii)] In ciphering and deciphering apparatus having a secondary machine, such as a typewriter, controlled from a primary machine, mechanical devices are provided to control the movement, singly or in selected combinations, of a number of circuit-changing devices interconnecting the machines. The circuitchanging devices 6 comprise brushes 7 contacting with segments 9 on rotary shafts 12, the segments being connected to slip-rings engaged by brushes 8. Depression of a key in the primary machine T<1> connects the battery 30 through the circuit-changing devices 6 to a solenoid 3 actuating a key in the secondary machine T<2>. Depression of the key in the primary machine also closes common contacts 4 to energize a magnet 13c, which, on de-energization, rotates a shaft 47 carrying a series of discs 45a. The discs 45a are provided with regularly-spaced notches on their edges and stops may be placed in the notches in any combination, such for example as the Baudot code combination. As the discs rotate, the stops thereon close one or more contacts 53a to connect a battery 55 to corresponding magnets 13b whereby one or more shafts 46 are rotated. Each shaft 46 carries a disc 45 similar to the discs 45a, and the stops in the discs 45 are adapted to close contacts 53, whereby battery 56 is connected through the normally-closed contacts 57 to magnets 13 controlling the rotation of the shafts 12. The circuit-changing devices 6 are therefore stepped ahead periodically. For returning the parts to original position before commencing a deciphering or second ciphering operation, a switch 60 is closed to energize a magnet 58, thus opening contacts 57 and closing contacts 63. The battery is then connected through contacts 65, 24, 63, to magnets 13 to rotate the shafts 12 one step. This continues until, in the home position of the shafts, an arm 27 engages a fixed segment 26, when the battery 61 is connected to magnet 64, thus opening contacts 65 to prevent further movement of the shafts 12. The shafts 46, 47 are similarly returned to normal position. Specification 489,321 is referred to.
Patent GB-569092-A (GB)
Title: Improvements in and relating to collapsible tubes
IPC: B29C65/48
Filed: 1943-09-06
Abstract: 569,092. Collapsable tubes. WAITE & SON, Ltd., and WAITE, H. C. Sept. 6, 1943, No. 22924/44. [Class 66] A collapsable tube is made by dipping a shaped mandrel into a solution of cellulose, acetate or synthetic resin &c., withdrawing the mandrel from the formed body 1 and inserting a support 4, with a stem 2, and fitting the closed end of the body 1 so that a nozzle end 3 may be adhered by use of a solvent for the material of the body 1. The contents of the tube may thus be hermetically sealed until the end is pierced at the nozzle.
Patent GB-908280-A (GB)
Title: Process for the production of blown asphaltic bitumen
IPC: C10C3/04
Filed: 1960-06-30
Abstract: 908,280. Asphalt. SHELL INTER. NATIONALE RESEARCH MAATSCHAPPIJ N.V. June 30. 1960 [July 2, 1959], No. 22924/60. Class 22. Blown asphaltic bitumen is produced by a process of continuous countercurrent blowing of a petroleum distillation residue in a blowing column 1, the residue entering via line 4 at a point below the liquid level AB, and the blowing gas entering the column above this liquid level via line 14 which conducts the gas through the liquid to the bottom of the column where it is distributed via 15, the blown asphalt being discharged from the bottom of the column into a level control vessel 9 via line 7 which is vented to above level AB, the discharge level 8 being below level AB, and the pressures above the liquid levels being equalised and the rate of discharge of the asphalt from 9 being controlled to maintain the level AB. The column is filled with preheated liquid to level AB via feed line 2 and valve 5 and during operation the feed is introduced via valve 6 and line 4, valve 5 then being closed. The blowing gas is usually air and the pressures in column 1 and vessel 9 are equalised by connecting vessel 9 to the vapour space of column 1 by line 10. The blown asphaltic bitumen is discharged from 9 at a rate controlled by a level controller 13 which operates a pump 12 in discharge line 11. Water and/or steam may also be injected into the vapour space above the column via lines 16 and 17. Specifications 361,158 and 780,156 are referred to.
Patent GB-628462-A (GB)
Title: Improvements in electric fires
IPC: F24C7/06
Filed: 1945-09-06
Abstract: 628,462. Electric fires. VINEY, H. S., and MODERN INDUSTRIES (LONDON), Ltd. Sept. 6, 1945, No. 22987. [Class 39 (iii)] In an electric fire a trough shaped reflector 1 having its upper and lower edges 2, 3 rolled as shown in the Figure is supported between end plates 4, and connections for one or more heating elements 12 are disposed in a pocket formed at each end by the reflector 1, end plates 4 and facia plates 7, these facia plates 7 being bent at the top to follow the contour of the reflector and extending beyond the reflector at its lower edge to form front supports 30. The reflector is slotted at each end at 10 to take the facia plates. The element 12 is secured to brackets 14 insulatedly mounted on a lug 6 by means of a nut and bolt 15, the head of the bolt serving to hold in place a protective bar 13 formed from strip metal bent to C-shape. Each end plate 4 has a projecting flange 5 and lugs 6 for securing the reflector, end plates and facia plates together by means of nuts and bolts.
Patent GB-460506-A (GB)
Title: Improved package of ice cream or the like
IPC: B65D75/58
Filed: 1936-08-21
Abstract: 460,506. Ice - cream. GAUNT, J. G. (Vogt Processes, Inc.) Aug. 21, 1936, No. 23054. [Class 28 (i)] [Also in Group XVII] A cylindrical portion of ice-cream may be made up with a centre core 10 of flavouring material, or of ice-cream of a different flavour to that of the surrounding annular portion 11.
Patent GB-857828-A (GB)
Title: Improvements in or relating to shearing continuously advancing strip
IPC: B23D25/08
Filed: 1957-07-22
Abstract: 857,828. Shearing. WEAN EQUIPMENT CORPORATION. July 22, 1957 [Oct. 19, 1956], No. 23096/57. Class 83 (4). Continuously advancing strip is cut into lengths by a cyclically advanced shear when the leading edge of the strip is engaging a gauging stop advancing with the shear. The shear comprises an upper blade 15 fixed in a frame 9 movable in a circular path by crank-shafts 3, 4, having crank-pins 7, 8 pivotally engaging the frame 9. The lower blade 16 slides in guides in the frame 9 and is constrained to an arcuate path by a pivoted arm 12. As the frame 9 moves anticlockwise, projections 58 on rods 57 hinged to a fixed stand 2 disengage detents 49 from stops 44 carried by blocks 41 adjustably mounted on brackets 39 secured to the frame 9. The stops 44 are pressed downward by springs 46 until offset projections 71 on the stops contact fixed plates 69 on either side of the path of the strip, which is fed by rolls 17, 18 to register with abutments 64 on the stops 44. As the blades 15, 16 reach the cutting position, the feed rollers 17, 18 are momentarily parted by a cam 28 linked to the lower blade 16 and the off-set projections 71 move clear of the plates 69 to allow the stops 44 to clamp the strip 5 against brackets 63 attached to the lower blade 16. The detents 49 re-enegage the stops 44 which are raised as the blades return to the position shown in Fig. 1. The severed portion is rapidly removed by a conveyer belt 72. Specifications 808,460 and 857,861 are referred to.
Patent GB-187402-A (GB)
Title: A tool for use in grinding cylinders
IPC: B24B33/08
Filed: 1921-08-31
Abstract: 187,402. Findlay, H. A. Aug. 31, 1921. Rotating-tool apparatus; tools; round holes, trueing.-A tool for grinding cylinders comprises a cylindrical body B formed with a pair or pairs of oppositely disposed recesses C, in which are disposed abrasive blocks C<1> having their outer faces curved to the curvature of the body B. A square portion of a spindle A engages in a hole H in the body and a nut, (not shown), on the spindle abuts against a washer E to clamp the blocks C<1> in position. The tool is inserted in the cylinder to be ground and the nut slackened thereby allowing the blocks C' to move outwards under the action of springs G located in passages F, which connect the recesses C. When the blocks contact with the cylinder the nut is tightened and the tool is ready for use.
Patent GB-382685-A (GB)
Title: Process for the production of pig-iron and iron castings having a fine graphitic structure
IPC: C21C1/00
Filed: 1931-08-17
Abstract: To produce pig-iron having a fine graphite structure, molten grey iron, freshly tapped from a blast furnace, is superheated in a separate gas-heated furnace to a temperature above 1400 DEG  C. and then cast into pigs.  The pigs can be treated further in a cupola furnace in order to produce high grade castings. Specififications 247,941, 260,619, and 262,043, [all in Class 72, Iron &c.], are referred to.
Patent GB-1027475-A (GB)
Title: Manufacture of semi-conductor devices
Inventor: BROWN RICHARD STANLEY
IPC: H01L21/316
Filed: 1963-06-11
Abstract: A silicon dioxide layer is formed on a silicon semi-conductor device by immersing the device in heated chromic acid and then exposing the device to an oxidizing atmosphere.  The embodiment described is the same as that described in Specification 1,027,476.
Patent GB-404239-A (GB)
Title: Improvements in and relating to artificial ground surfaces
IPC: E01C13/08
Filed: 1933-08-19
Abstract: 404,239. Artificial ground surfaces. BURTON, E., 34, Plum Lane, Plumstead Common, London. Aug. 19, 1933, No. 23178. [Class 87 (i).] An artificial ground surface, particularly to simulate a grass covered surface, is made up of a number of blocks 1 of rubber each having studs or projections 3 on its upper surface, the studs being separated by intersecting channels 2 and each carrying one or more upwardly protruding rubber stems 4. The lower surface may also be channelled. The blocks may have embedded cores, for example made of a mixture of reclaimed rubber, resin, and sawdust, and they may be formed with upper and lower flanges at opposite ends to allow them to interlock when laid.
Patent GB-736651-A (GB)
Title: Mining and mineral drilling machine
Inventor: FUCHS WILLI
IPC: E21B19/081
Filed: 1953-08-22
Abstract: 736,651. Magnetic couplings. WALLRAM HARTMETALL GES. Aug. 22, 1953, No. 23194/53. Drawings to Specification. Class 35. [Also in Group XXII] In a magnetic particle clutch of the type disclosed in Specification 677,726, the magnetic particles may be of colloidal iron, stainless steels, or aluminium-nickel-cobalt alloys with oil, graphite &c. as a lubricant. Where magnetic alloys resistant to corrosion or oxidation are employed, the lubricant can be omitted.
Patent GB-1235077-A (GB)
Title: Improvements in or relating to pressure transducers
Inventor: GREENWOOD JOHN CHRISTOPHER
IPC: H01L21/00
Filed: 1969-05-07
Abstract: 1,235,077. Measuring fluid-pressure electrically. STANDARD TELEPHONES & CABLES Ltd. May 7, 1969, No.23239/69. Heading G1N. [Also in Division H1] A fluid-pressure transducer comprises a diaphragm of p-type silicon 2 supported by a layer of n-type silicon 3 which layers are intrinsic with a silicon substrate 1. In a first embodiment, Fig.1G, n-type regions 12, 13 are diffused into the p-type to form strain sensing resistors. The two regions 13 are connected in series by an aluminium or nickel contact area 11, others 9, 10 forming contacts for the regions 13 and that 12 respectively. In use application of pressure to the silicon oxide layer 5 causes the diaphragm to be deflected into the aperture thereby stretching the diffused regions 13 and lowering their resistances, the region 12 and those 13 being connected as two arms of a bridge circuit. In a second embodiment Figs.2A, 2B the p-type silicon layers 12 forms the strain-sensitive resistance element. A bias current is passed, in use, between contact areas 15A and others 15B are used to provide an output voltage indicative of applied pressure. Curved stop contacts 17 of metal connect parts of the diaphragm lying along equipotential lines between spaced contact areas 15A. Metallic areas 16 are provided one between each pair of contact areas 15A and 15B to give a desired output potential difference in the absence of an applied pressure. Details of methods of manufacture of the transducer are given (see Division H1). It is stated that the substrate may as an alternative be of germonium.
Patent GB-425525-A (GB)
Title: Improvements in or relating to the production of preliminarily shaped annular blanks
IPC: B21K1/76
Filed: 1934-08-11
Abstract: 425,525. Forging rings. RINGFEDER GES., and EDELMEIER, H., Uerdingen-on- Rhine, Germany. Aug. 11, 1934, No. 23260. [Classes 83 (ii) and 83 (iv)] Blanks for treatment in a ring rolling machine are preliminarily shaped by deforming and punching a bar section to an annulus the crosssection of which is on each side of curved or polygonal arched shape or on one or more of the sides is of curved arch shape whilst the arch on one or more of the other sides is polygonal. As shown in Fig. 3, convex inner and outer surfaces 16 merge through rounded portions 20 into convex end portions 17. Punches 7, 8, 10 in an upper plate 5 convert a bar section 11 into an annulus 14, each partially pierced workpiece 12 formed by the punch 7 being inverted and placed on a centring punch 3 whereupon the punch 8 removes the bottom piece 13. The annulus is riveted again to be operated on by the punch 10 with which co-operate upper and lower dies 9, 4. The ring rolling operation may follow the blank forming operation immediately without further heating.