baber/WOPTO huggingface dataset:
Patent GB-520408-A (GB)
Title: Improvements in or relating to vibrating apparatus such as tables for consolidating concrete
IPC: B28B1/087
Filed: 1938-10-21
Abstract: 520,408. Moulding concrete. SMITH, W. H. Oct. 21, 1938, No. 30510. [Class 87 (ii)] [Also in Group XXIV] A vibrating platform 5, for use in consolidating concrete, is supported from a frame 1 by rubber blocks 4 clamped in pairs to rigid plates fixed to the platform and the frame. Vibration is effected by a shaft 16 carrying a pivoted weight 19 the eccentricity of which can be varied by a tapered member 23 movable axially on the shaft by a fork 27 connected to a control lever engageable in grooves in a rack. The shaft carries pulleys 18 driven by rubber belts or chains 34 from a motor 33 mounted on a pivoted platform 35 with an extension 37 engageable in different positions with a rack '39.
Patent GB-536106-A (GB)
Title: Improvements in electric frequency meters
IPC: G01R23/09
Filed: 1939-11-21
Abstract: 536,106. Frequency measurement. MARCONI'S WIRELESS TELEGRAPH, Ltd., JEFFERSON, H., and JELLYMAN, P. E. Nov. 21, 1939, No. 30526. [Class 37] A frequency meter comprises a non- self-oscillatory multi-vibrator circuit to the input circuit of the first valve of which the frequency to be measured is applied, direct current impulses whose amplitude is independent of frequency being derived by means of a condenser and rectifier and applied to a D.C. meter. As shown in Fig. 1, the multivibrator consists of two valves V1, V2 connected to a source B1 of anode potential through impedances R1, R2. The anode of the valve VI is connected through an impedance R3 to the grid of the valve V2, and the anode of the valve V2 is connected through an impedance R4 and the source (not shown) of frequency to be measured to the grid of the valve VI. The anode of the valve V2 is also connected through a condenser C1 and a bridge-connected rectifier RE-to the negative terminal of a source B2 of bias potential. The output of the rectifier RE is connected to a D.C. ammeter MA. The ends of the impedances R3, R4 remote from the anodes of the valves V1, V2 are connected to the negative terminal of the bias battery B2 through impedances R5, R6. The input voltage may be isolated from earth by means of a transformer T, Fig. 3. Condenser shunted resistances RC1, RC2 may be connected in the grid circuits adjacent to the grids. The various potentials are taken from a capacity shunted voltage divider D connected across an adjustable source of high potential. The condenser C1 may be adjustable or, as shown, three ranges of frequency may be provided by means of three condensers C1, C2, C3 and a key K. Jacks J1, J2 are provided for applying the input frequency and for taking output to a remote meter. The rectified current may control a relay or the frequency or amplitude of another signal or the oscillations generated by an oscillator. The triodes V1, V2 may be replaced by tetrodes or pentodes. The electrode systems of the two valves VI, V2 may be enclosed in a single envelope. The range controlling condenser may be replaced by combinations of condensers and resistances or inductances to provide a non-linear scale.
Patent GB-371321-A (GB)
Title: Improvements in and relating to the treatment of vegetable substances
IPC: A24B15/22
Filed: 1930-10-14
Abstract: 371,321. Treating fodder. TABOZON, Ltd., Zurich, Switzerland. Oct. 14, 1930, No. 30709. Convention date, Sept. 5. Void [Published under Sect. 91 of the Acts]. [Class 5 (i).] Tobacco, fodder, and vegetables are moistened and treated electrically and with ozone. Tobacco from a sieve c falls between two endless metallic bands e, f through which a current is passed by brushes g, h included in an electric circuit which is completed through the tobacco. The bands are made of different materials such as copper and silver and the ions liberated by the current traverse the tobacco which is heated to between 30-70‹ C. To ensure that a constant current shall be maintained, current and voltage indicators x, y are provided and an alarm is given when the maximum voltage is reached. A relay operates water-spraying nozzles z, z<1>. Papers charged with charcoal are carried by the bands and serve to collect foreign deposits which are removed at intervals with the paper. Hammers v, v<1> pack the tobacco between the bands from which the tobacco is removed by non-metallic strippers o, o<1> and deposited in a chamber b in which it is shaken by rollers q and a plate r to expose it to ozone which enters at m. Belts t, t<1> convey the tobacco to an outlet u. In a modification one of the bands is constructed in two sections to one of which current is supplied.
Patent GB-1206820-A (GB)
Title: Apparatus for measuring the relative dilation of the pupil
Inventor: COSS RICHARD GERRITT
IPC: A61B3/11
Filed: 1968-06-27
Abstract: 1,206,820. Pupilometer. R. G. COSS. June 27, 1968 [June 29, 1967], No.30794/68. Heading G2J. Apparatus for measuring the relative dilation of the pupil of an eye includes an eyepiece 1 comprising an opaque screen 4 with two non-parallel rectilinear slots 5, 6 and an optical system, arranged between the eyepiece and a viewing screen 10 illuminated by illuminating means 11 and adjustable to enable a scale to be read through the slots. In use the eyepiece is fitted on the eye by a strap 3 and it is employed to measure the dilation of the pupil when an object is observed through the other eye. The optical system consists of two lenses 7 and 8, the lens 8 being movable to focus on this scale. When the pupil increases in size slots 5 and 6 appear wider and there is a reduction in the size of the opaque space seen between the slots in the form of a wedge (F) Figs. 3, 4 and 5 (not shown), so that the point of the wedge appears to move down the graduation. In an alternative, binocular, form of the apparatus which can be used for viewing slides, one eye views the opaque screen (4) Fig. 2 (not shown) with slots (5) and (6) while the other eye views by means of a set of mirrors (15) a slide placed in a viewer (16) and held in a support on which the graduation is inscribed and the viewer has the impression of seeing the graduation 9 along a wedge F as before.
Patent GB-1401031-A (GB)
Title: Insulation of vessels having curved surfaces
IPC: B29C65/20
Filed: 1972-06-30
Abstract: 1401031 Thermal insulation DOW CHEMICAL CO 30 June 1972 [30 June 1971] 30812/72 Heading F2X [Also in Division F4] A spherical vessel, e.g. a cryogenic vessel, is thermally insulated by depositing an insulating material about the periphery of the vessel in the form of helically disposed turns, adjacent turns being joined edge to edge. The insulating material is either a thermoplastic or a thermosetting synthetic resinous foam. A vapour barrier material, also in the form of helically disposed turns and consisting of metal or plastic foil is applied to the exposed surface of the insulating material. In the examples described a fibrous insulating material is disposed between the vessel wall and the foamed insulation, this material being, for example, a compressible glass fibrous batt. A spherical cryogenic vessel 41 has its upper portion coated by an apparatus 55 comprising a guide rail 57 mounted on supports 59 and an arcuate support frame 61 driven around the rail 57 by a drive means 65 and motor 66. The upper end of the frame 61 is mounted on a pivot assembly 69. On the frame 61 is an insulation depositing head 82 which receives foam or foamable material from a foam supply 81 and deposits it as a continuous strip on the tank 41. Associated with the head 82 is a vapour barrier depositing means 84. As the frame 61 rotates about the tank 41 applying successive turns, the head 82 is moved upwardly from the lower end 63 of the frame 61 toward the upper end 62. A lower insulation-applying apparatus operates in a similar manner. An embodiment particularly suitable for cryogenic vessels is shown in Fig. 20, in which fibrous insulation elements 393, 394 are disposed between the vessel wall 391 and strips 397, 398 of thermoplastic foamed resin. The space 395 between the insulation elements 393, 394 provides an adequate path for venting any gaseous material which has escaped through the wall 391. The strips 397, 398 are joined by a heat weld 399 while, remote from the outer face 401, a stress relief slot 402 is defined between the insulating strips, which slot terminates inwardly in a bulbous cavity 404. The strips forming a metallic vapour barrier 408 are joined by means of interlocking edge formations. An alternative insulating layer, as shown in Fig. 26, comprises a plurality of turns of foamed synthetic resin 481, 481a, 481b each of rectangular section and formed with a pair of longitudinal slots 482, 483 intersected by transversely extending slots 486. A filamentary scrim 487 is disposed on the outer face 485 and is coated by a foam resin layer 488 and a pro. tective metallic layer 489.
Patent GB-948018-A (GB)
Title: Electromagnetic actuating devices
Inventor: SPINELLI FRANK PAUL
IPC: H01H51/08
Filed: 1961-08-26
Abstract: 948,018. Electromagnetic switches; snap-action switches. AUTOMATIC SWITCH CO. Aug. 26, 1961, No. 30851/61. Heading H2B. An electromagnetic actuating device, for a relay, having two stable positions has its armature mounted for rotation about an axis between two aligned polepieces and snapaction springs biasing the armature to either side of a dead-centre position which is coincident with the magnetic axis and contacts which are in series with its energizing coil and are opened before the armature reaches the dead-centre position. In the arrangement shown, the moving contact arm 36 is coupled to the armature 23 so that contacts 37, 39 or 38, 43 open before the dead-centre position is reached. Figs. 1 and 7 show the snap-action compression springs 51, 52, 55, 56 which are bowed so that they are stressed to a substantially constant extent during movement across a dead-centre position in which the endsupporting pins 53, 58 approach closest to respective fixed end pins 54, 57 and the biasing torque on the disc 26, which is coupled to the armature varies in a linear manner between maximum, zero and maximum during each armature movement. Fig. 9 shows a pin 28 which projects from the armature 23 through a travel limiting slot 60 in a housing 20 and engages in a slot 63 in a lever 61 pivoted at 62 and coupled to the contact carrying shaft 30 by a pin and fork coupling 64, 65. In the rest positions of the armature 23 the slot 63 is tangential to the slot 60 so that the armature 23 cannot be moved by the contact assembly. Hand operation of the armature can be effected by a lever 59 on the plate 26.
Patent GB-533804-A (GB)
Title: Improvements in and relating to tenoning machines
IPC: B27F1/10
Filed: 1939-11-27
Abstract: 533,804. Tenoning machines. DEXTER & CO. (HIGH WYCOMBE), Ltd., and McVEY, G. Nov. 27, 1939, No. 30898. [Class 145 (i) [Also in Group XXII] A machine for cutting tenons with flat sides and rounded ends (Fig. 3) comprises a workcarrying head 3 slidable with respect to a cutter-spindle 7 eccentrically mounted on a disc 5 which is caused to make a half rotation at each end of the traverse of the head 3 thus moving the cutter spindle through a semi-circle to form the rounded ends of the tenon. These movements are effected by a continuouslydriven friction wheel 13 which is brought into engagement with a member 12 secured to the disc 5 at appropriate times by the head 3 engaging with levers 14, 15 interconnected with a pivoted arm 23 on which the wheel 13 is mounted. Knock-off stops 16, 17 are provided on the member 12 to cause disengagement of the driving-wheel 13 at the end of the semi-circular movement of the cutter-spindle. An intermediate eccentric 6 is provided between the cutter-spindle and the disc 5 whereby the throw may be adjusted to cut tenons of different thickness.
Patent GB-1042913-A (GB)
Title: Improvements in or relating to fixing of a device such as a tool or workpiece on a machine
IPC: B23Q17/22
Filed: 1963-08-06
Abstract: 1,042,913. Electro erosion; machine tool details. BOILLAT S.A. Aug. 6, 1963 [Aug. 25, 1962; June 1, 1963], No. 30958/63. Headings B3B, B3L and B3V. A device such as a tool 25, Fig. 9, or a workpiece 27 is detachably secured in a predeter. mined position on a machine by a pair of brackets 1, 9 with complementary registering surfaces 6, 13 of prismatic form. In an electroerosion machine the bracket 1 with four radial projections 6 is fixed to the tool carrying spindle F. Bracket 9 with complementary radial grooves 13 has mounted thereon a hollow split electrode tool used to machine a workpiece 27 detachably secured to the machine bed 30 by a pair of similar brackets 28, 29. Several electrode tools may be used successively on the same workpiece which may itself be used subsequently as an electrode tool for an erosion process. The two brackets 1, 9 are assembled together by a spindle 18, Fig. 6 (not shown), journalled in guide bores 16 of the bracket 9 and having an eccentric portion 20 engaging the bore 8 of a tie rod 4 secured by pin 70 to the bracket 1. A setting jig 33, Fig. 14 (not shown), is used during assembling of the brackets 1, 29 on the machine. The invention enables a workpiece to be eroded in stages, Figs. 2-5 (not shown) using successive erosion tools each clamped to its individual bracket 9. In the manufacture of an erosion electrode, Fig. 10 (not shown), a workpiece 31 is located by brackets 1, 9 whilst being machined in a planing machine. The resulting tool and its bracket are then assembled on the spindle of an electroerosion machine. Fig. 11 (not shown). A fixture 34 using a fixed bracket 1, Fig. 15 (not shown), is used for setting a tool 42 on its bracket 9.
Patent GB-1280564-A (GB)
Title: Improvements in or relating to batteries
IPC: H01M50/204
Filed: 1970-06-25
Abstract: 1280564 Storage battery assembly SOC DES ACCUMULATEURS FIXES ET DE TRACTION 25 June 1970 [27 June 1969] 30977/70 Heading H1B A storage battery comprises cells 1, 1<SP>1</SP>, 1<SP>11</SP>, Fig. 1, situated in a rack a, the corners of each cell being provided with spacers 5, which ensure lateral and longitudinal wedging of the cells and separation of each cell from its neighbours and from the rack. In Fig. 1, each spacer 5 is held in position by a pin and socket attachment 9, 10 to an insulating disc 6 mounted on the terminal post. The disc 6 may also serve the function of depressing a sealing ring beneath it, sealing the joint between terminal post and cover. One disc may be adapted to anchor two spacers (Fig. 2, not shown). The bottom of each cell may be spaced from the rack by a plate 12, Fig. 3 or 17 (Fig. 5, not shown). The cell casings may be metallic, the spacers 5 and discs 6 polyamide and the plate 12 polypropylene.
Patent GB-1378142-A (GB)
Title: Label strip
IPC: G09F3/02
Filed: 1972-09-28
Abstract: 1378142 Labels DELFORD INDUSTRIAL SYSTEMS Ltd 28 Sept 1972 [2 July 1971] 31161/71 Heading B8F A label strip is formed with indentations 13 co-operable with a registration claw or driving unit controlling feed of the label strip or controlling an overprinting operation. Each notch has converging sides 20 and a longitudinally extending base 21. Labels are cut along guillotine lines 15 extending between aligned notches.
Patent GB-191707-A (GB)
Title: Improvements in electrical impulse distributing systems
IPC: H02J13/00
Filed: 1922-11-15
Abstract: 191,707. Western Electric Co., Ltd., (Assignees of Field, J. C.). Jan. 13, 1922, [Convention date.]. Selective distant control systems; tell-tale apparatus.-In a system for indicating at a supervising station the position of power switches 1, 2, 3, &c. at one or more sub-stations by means of synchronous distributors, each switch carries a contact member 4, 7, 10, &c. adapted to connect one or other side of battery 13 to a transmitting segment of distributor 16 according to the position of the switch. Corresponding segments of the distant distributor are connected to polarized relays 28, 29, 30, &c. which control indicating lamps 31 - - 36 &c. over contacts 83 &c. Corresponding segments at the two stations are adapted to be connected together over the lines 81, 82 by means of continuous rings 77 - - 80 and brushes on the frames 47, 49. On each operation of any of the relays 28, 30, &c. the circuit of a neutral relay 40 is momentarily broken as at contacts 43 or 89 and a circuit completed for slow-release relay 39. Relay 39 temporarily completes the circuit of an audible alarm 38. The distributors may have more or less than two rings of transmitting &c. segments. This system may also be applied to the control of distant switches and to other uses.
Patent GB-193484-A (GB)
Title: Improvements in or relating to electrical switching devices particularly intended for use with sound warning signals
IPC: H01H13/64
Filed: 1921-11-22
Abstract: 193,484. Monnot, J. F. Nov. 22, 1921. Push-button switches.-Switches for controlling two note electric horns have a push button 14 working in an aperture 13 of a casing 12 which presses a resilient contact blade 1 fixed at one end to a block 2 against a fixed blade 3 completing a circuit through the winding 10. On further pressure being applied, the end of the blade 1 touches a contact block 5 completing a circuit through a winding 11 in parallel, and a further contact 15 may be arranged to be contacted by a still greater pressure on the button 14. In a modified form, Fig. 2, the free end of the blade 1 first touches the block 3, and further pressure bows the blade 1 until its middle point is in contact with the block 5. The switches may be used for controlling the circuits of the electric horn described in Specification 184,626, [Class 13, Bells &c.].
Patent GB-283097-A (GB)
Title: Improvements in or relating to the manufacture of safety razor and similar blades
IPC: B21D53/64
Filed: 1926-08-25
Abstract: 283,097. Davy, R. Aug. 25, 1926. Addition to 258,142. Processes, special.-The process for the manufacture of safety razor and similar blades described in the parent Specification is applied to a continuous perforated strip which does not comprise blades in slightly attached chain formation, but from which blades may subsequently be severed by any suitable severing apparatus.
Patent GB-905967-A (GB)
Title: Improvements in or relating to aerial arrangements
IPC: H01Q11/00
Filed: 1960-09-12
Abstract: 905,967. Aerials. SIEMENS & HALSKE A.G. Sept. 12, 1960 [Sept. 11, 1959], No. 31306/60. Class 40 (7). An aerial comprises a helical conductor WL, embedded in dielectric FG, and a matching unit. Fig. 3 is a section along AB of Fig. 1. The helical conductor is connected to one end 3 of an arcuate strip 2 which forms the inner conductor of the matching unit. The other end of the strip is connected at 6 to the base-plate 1<SP>1</SP> which, with a cover 1, forms the outer conductor of the matching unit. The inner conductor of a coaxial feeder is connected to the strip 2 at 5, this position being chosen in accordance with the matching conditions required. Lightning protection is provided, by a conductive connection between the helix WL and a reflector R, which is at earth potential. However, instead of being earthed the reflector may act as a counterpoise.
Patent GB-319530-A (GB)
Title: Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases
Filed: 1928-10-30
Abstract: 319,530. Ringrose, H. T. Oct. 30, 1928. Gas analysis.-In apparatus of the type wherein a vacuum proportional to the amount of inflammable gas surrounding a porous vessel is created in said vessel by the combustion of the gas which diffuses or is aspirated into it, the vacuum so produced is utilized to break the circuit of one or more lamps. In the apparatus shown in Fig. 1, the gas admitted to the apparatus through the gauze 5 diffuses into the porous vessel 1 which contains a heated filament 6 and is connected by a tube 18 with a collapsable diaphragm 20. The vacuum resulting from the combustion of inflammable gas in the vessel 1 causes the diaphragm to collapse and separate. contacts 15, 21 thus breaking the lighting circuit. The latter may include a solenoid normally retaining a contact in the " make " position and allowing it to occupy the " break " position when the circuit has been broken by the action of the vacuum. The filament 6 may be in series with the lamps or in a separate circuit. The apparatus may also be utilized to break the circuit of a light motor or other apparatus.
Patent GB-1155312-A (GB)
Title: Improvements relating to Glow Plugs of a Multi-Cylinder Internal Combustion Engine.
IPC: F23Q7/00
Filed: 1966-07-13
Abstract: 1,155,312. Glow plug ignition system. ROBERT BOSCH G.m.b.H. July 13, 1966 [July 14, 1965], No.31457/66. Heading F1B. A system for heating glow plugs of a multicylinder internal-combustion engine comprises a star-connected polyphase current generator D adapted to be coupled to the engine to be driven thereby and connectible by its individual phase windings X, Y, Z each to at least one glow plug K 1  K 2  K 3  and by its star point through a changeover switch U to one pole of a battery for firstly preheating the plugs with direct current or to the opposite pole of the battery after the starting up of the engine whereby each of the phase windings of the polyphase generator serves as a D.C. lead for pre-heating while the engine is stationary and becomes when the engine is running an A.C. source which takes over from the battery the sustained heating of the respective glow plug or glow plugs. The field winding E of the polyphase generator is connected to a voltage and output controlled regulating device R which additionally contains a temperature control element T connected to a temperature sensor F adapted to respond to the engine combustion chamber temperature and which thereby brings about a reduction in heating current as the temperature increases and vice versa. The current carrying leads from the polyphase generator to the respective glow plugs may each contain a heating current monitor. Two pole glow plugs may be employed.
Patent GB-831480-A (GB)
Title: Improvements in or relating to wheel covers
IPC: B60B7/02
Filed: 1957-10-08
Abstract: 831,480. Making wheel covers; stamping. LYON, G. A. Oct. 8, 1957 [Nov. 5, 1956], No. 31467/57. Classes 83 (2) and 83 (4). [Also in Group XXXIV] A method of making wheel covers from thin sheet metal, e.g. brass or stainless steel, comprises uniformly drawing a circular cover body in centred relation in a polygonal blank of predetermined minimum size, the circular perimeter of the drawn area having side edges of the blank running thereinto and trimming away substantial portions of the marginal corners of the blank outside the circular perimeter along trim lines running out at the original edges of the blank. A polygonal sheet metal blank B is placed between drawing dies comprising a lower circular die 40 surrounded by a spring-loaded hold-down ring die 41. Co-operating with the lower die assembly 40, 41 is an upper reciprocable die assembly including an outer hold-down ring die 42, a central crown shaping punch 43 and an intermediate dishing ring die 44. When the blank is clamped between a hold-down ring dies a rib 45 on the lower die works the marginal portion of the blank into a complementary annular groove 47 on the upper die and as the marginal portion of the blank is wrapped about the dishing rib 48 it is drawn inwardly over the rib 45 until the surface 50 of the upper ring die 42 clamps the blank against the dishing rib 48. Next the central portion of the blank is drawn to hub formation by the punch 43 and the dishing ring die 44 draws the intermediate portion of the blank into an annular rib formation 24. Following this initial drawing, the blank is further drawn to final size and the marginal rib R (Fig. 10) deepened. The flat corner portions are next trimmed as shown in Fig. 8 to provide gripping fingers 33 for engagement with the tyre rim flange of a wheel. The rib R is collapsed and the finger flange 31 shaped as shown in Fig. 12. Finally the wheel cover is polished and plated.