baber/WOPTO huggingface dataset:
Patent GB-460078-A (GB)
Title: Improvements in or relating to the production of moulded articles
IPC: B29C45/70
Filed: 1936-03-23
Abstract: 460,078. Injection-moulding apparatus. CELLULOID CORPORATION. March 23, 1936, No. 8697. Convention date, March 22, 1935. [Class 87 (ii)] Apparatus for moulding articles from materials which set under heat, or from thermoplastic materials containing organic compounds, examples of which are given in the Specification, comprises a fixed mould-part 5 having an orifice 6 for the reception of a nozzle 37 through which moulding material is charged into the mould, and a movable mould-part 16 which is advanced towards the mould-part 5 and held in contact therewith by fluid pressure, the effective force of the fluid pressure on the mould part 16 being greater than that set up by the material within the mould. A fixed cylinder 13 for the actuation of the mouldpart 16 is coupled by rods 9 to a frame 4 carrying the fixed mould section 5, and by rods 10 to a fixed cylinder 26 which operates a rod 29 working within the nozzle 37, and which charges the nozzle with material from a hopper 36 mounted, with the nozzle, on a frame 34 slidable along the rods 10. After the mouldparts have been closed and the nozzle charged, piston-rods 35 controlled by small cylinders 30 are actuated to position the nozzle in the orifice 6 whereupon the rod 29 is actuated to force the nozzle charge into the mould. The nozzle or the hopper, or both, may be heated or cooled by circulating-fluids, or electric heating may be employed, so that the material is melted just prior to its passage into the mould. The temperature may be controlled thermostatically. A fixed but adjustable rod 22 passing through the mould-section 16 ejects the moulded article when the mould is opened. Specifications 249,600, [Class 70], 305,992, [Class 73], and 385,999 are referred to.
Patent GB-173992-A (GB)
Title: Improved means applicable to heat interchanging devices for cleaning fluid conducting pipes
IPC: F28G9/00
Filed: 1921-03-21
Abstract: 173,992. Hulsmeyer, C. March 21, 1921. Cleaning, fluid - pressure processes for.-The normal velocity of flow through the pipes of a surface condenser or the like is temporarily increased for cleaning purposes by means of a jet apparatus connected to steam or high pressure water supply. In the plant illustrated, the jet apparatus g with check valve f is arranged in a branch pipe e to assist the pump b when the jet is turned on. The flow is further accelerated by opening the sliding valve k to reduce the resistance of the circuit.
Patent GB-526531-A (GB)
Title: Improvements in or relating to cardan shafts
IPC: F16D3/68
Filed: 1939-03-18
Abstract: 526,531. Yielding shaft couplings. KATTWINKEL, H. March 18, 1939, No. 8745. Convention date, Jan. 11, 1939. [Class 80 (ii)] The. usual splined joint permitting relative axial movement between a universal joint 2 and a vehicle propeller-shaft 7, is replaced by a cushioned joint comprising slidably engaging faces 8, 11 alternating radially and at a substantial distance from the axis, from a driving casing 4 and the driven member 7 axially slidable therein, the faces, e.g., 11 on the casing member 4, being resiliently supported by rubber blocks 9, and a tubular portion 12 on the driving shaft making a telescopic joint with the part 7a of the driven shaft. Either member 8, 11 has facings 10 of a synthetic resinous friction-reducing material such as that known under the Registered Trade Mark " Bakelite, " which may be admixed with graphite, reinforced by fibrous material and impregnated with a lubricant by immersion in hot oil. A bushing 13 of the synthetic material referred to is arranged between the parts 12, 7a. The members 11 may be of polished steel and may be vulcanised to, or as shown let into recesses in the rubber blocks 9. which are initially compressed. Pairs of rubber blocks 9 may be supported, as shown by vanes 6 in the casing 4, or single blocks may be traversed by the axial bolts 6a which hold together the three parts 4, 4a, 4b of the casing.
Patent GB-124113-A (GB)
Title: Improvements in and relating to Electric Transformers, Inductances and the like.
IPC: H01F29/12
Filed: 1918-05-29
Abstract: 124,113. British Thomson - Houston Co., (General Electric Co.). May 29, 1918. Transformers.-A transformer, reactance, or the like has a fixed coil and a movable coil, the latter being positively controlled to move in a path at an angle to the vertical. The core of the transformer has three legs; the coil 19 is fixed on the middle leg and the coil 20 is fixed to a frame 27 supported on a pivot 28 carried by extensions of the upper core clamp 21. The lower core clamp 22 has an extension 22' which supports the entire transformer in its casing.
Patent GB-1207724-A (GB)
Title: Magazine for machines processing punched cards
Inventor: BODEN HORST
IPC: G06K13/14
Filed: 1968-02-23
Abstract: 1,207,724. Feeding sheets; hoppers. ELEKTRONISCHE RECHENMASCHINEN WISSENSCHAFTLICHER INDUSTRIEBETRIEB KARL - MARX - STADT VEB. 23 Feb., 1968, No. 8933/68. Headings B8R and B8S. A magazine for stacking sheets to be fed to a machine for processing punched cards comprises a base 2 and front and rear wall portions 5, 6 arranged in zigzag formation to relieve the weight of the stack. The angle of the zigzag portions may be adjustable. Above and below the portions 5, 6 are vertical wall portions 4, 3.
Patent GB-161821-A (GB)
Title: Improvements in cabinets for holding records for talking machines
IPC: A47B81/06
Filed: 1920-03-26
Abstract: 161,821. Johnson, J. Y., (Johnson, B. L.). March 26, 1920. Contents, delivering and facilitating access to. -Disc records for gramophones are stored in a. cabinet between upper and lower recessed guides 7, 8 and rest on trippers 15 pivoted in recesses 13 in the lower guides. The trippers are raised by the action of rods 19 operated by finger-pieces 20 so as to project the discs down the inclined faces of the guides 8. The discs are brought to rest against a cushioned bar 22. An index strip 23 is arranged below the pushes 20. A glazed cover 5 is adapted to be slid out of the way when opened along guides 6.
Patent GB-888016-A (GB)
Title: Improvements relating to tabulating, typewriting and like recording machines
Inventor: DYKE LESLIE ALEXANDER
IPC: B41J17/16
Filed: 1958-03-20
Abstract: 888,016. Ink-ribbon &c. mechanisms. SMITH & SON (ALACRA) Ltd., W. H. March 20, 1959 [March 20, 1958], No. 9019/58. Class 100(4) In a tabulating, typewriting or like recording machine wherein two or more paper webs interleaved with at least one duplicating web are fed step-by-step past a writing station means are provided to shield the duplicating web at the writing station over part of its width so that no duplicate record is made over those portions. Paper webs 13, 14 are fed round a driven platen 10 and are engaged by pin wheels 11 and have an interposed carbon paper web 16 which may be released at a slower rate. Sheets 20, 21 of polytetrafluoroethylene are anchored to cross members 24; 25 held by pegs 26 on the frame and are placed on either side of the carbon web 16. The sheet 20 between the carbon web 16 and the duplicate paper web 13 is extended in steps over part of its width into the writing station so that no impression is made on the web 13 in these portions. Specifications 848,797 and 888,015 are referred to.
Patent GB-412004-A (GB)
Title: Improvements in or relating to non-slip surfaces for paving-blocks
IPC: E01C5/16
Filed: 1933-03-25
Abstract: 412,004. Paving-blocks. SMALL, F. G., 2, Meadow Road, Pinner, Middlesex. March 25, 1933, No. 9072. Addition to 393,333. [Class 87 (i).] The paving-block described in the parent Specification is modified by forming the projections e of greater height only over the feet c. The block is preferably in the form of an equilateral triangle with a foot at each corner, and may be hollow and open on its underside.
Patent GB-549318-A (GB)
Title: Improvements in current limiting arrangements for shunt motors
IPC: H02H7/08
Filed: 1941-07-21
Abstract: 549,318. Control of D.C. motors. GORDON, H. H. (Allmanna Svenska Elektriska Aktiebolaget). July 21, 1941, No. 9182. [A Specification was laid open to inspection under Sect. 91 of the Acts, Jan. 23, 1942.] [Class 38 (iii)] Varying field. To limit the armature current of a D.C. motor 1 an inductance 12 and auxiliary A.C. source are connected in series with a shunt field winding 2 of the motor by means of a rectifier bridge 13 and the armature current is caused directly or indirectly to saturate the inductance whereby the field is strengthened. Saturable inductances 6, 12 having a self exciting winding -s 4, 10 may be arranged in cascade, auxiliary windings 5, 11 on each opposing the two saturating windings to determine the characteristic of operation. In a modification, Fig. 2, the rectified potential across an inductance 26 fed with substantially constant current through a larger inductance 28 is used to saturate the field circuit inductance 12. To avoid passing the normal field current through the self exciting winding 10 of the inductance 12 an auxiliary rectifier with or without a transformer may be used.
Patent GB-688280-A (GB)
Title: Improvements in and relating to joints for conductors
Inventor: SIMMONDS HENRY
IPC: H01R4/50
Filed: 1950-04-14
Abstract: 688,280. Binding posts. ENGLISH ELECTRIC CO., Ltd. April 13, 1951 [April 14, 1950], No. 9205/50. Class 38 (i). A terminal block 1 having a bore to receive a non-stranded conductor such as a bus-bar 2, has two clamping screws 3 normal to the axis of the bore and the end of the conductor is slotted so that when the screws are tightened their ends enter the slot in the conductor and force the sides thereof apart, thereby deforming the conductor into contact with the sides of the bore and cutting a thread in the material of the conductor. The screws may be tapered and the sides of the bore may have circumferential grooves, e.g. a screw-thread, or longitudinal grooves.
Patent GB-578341-A (GB)
Title: Improvements in or relating to holders for electric arc welding electrodes
IPC: B23K9/28
Filed: 1944-05-16
Abstract: 578,341. Welding-electrode holders. COWELL, J. H. May 16, 1944, No. 9347. [Class 39 (iii)] A welding-electrode holder comprises two aligned tubes 1, 17 of insulating material, a conductor rod 7 screwed into a plug 2 in the tube 1 and projecting into the tube 17, the two tubes being relatively movable against a spring 9 engaging and a metal sleeve 8 secured by screws 18 in the tube 17 so that it slides over the conductor rod 7. The electrode 16a passes through opposite holes 19, 20 in the tube 17 and through a hole 16 in the conductor rod so that it is held between the sleeve 8 and a flange 15 on the conductor rod by pressure of the spring 9 and is released or inserted by pressing the tubes together and releasing the spring pressure. A short sleeve 29 of insulating material on the tube 1 slidably receives the end of tube 17 and covers the space 21 between the tubes. A screw 12 on the conductor rod 7 slides in a slot 13 in the sleeve 8 to prevent rotational movement. The tube 17 has a domed gunmetal head 22 with an inset fibre pad 25. A brass sleeve 26 with holes 27 is riveted over the tube 17 adjacent the holes 19, 20 to prevent scorching of the tube 17.
Patent GB-718543-A (GB)
Title: Improvements in and applicable to brushes and brooms
IPC: A46B5/02
Filed: 1952-04-15
Abstract: 718,543. Brushes. BROOKMAN, S. G. G. Oct. 31, 1952, [April 15, 1952.] No. 9356/52. Class 19. A brush stock is provided with rotatable fenders preferably having resilient tyres.
Patent GB-1450968-A (GB)
Title: Proximity fuse
IPC: F42C13/04
Filed: 1974-03-01
Abstract: 1450968 Proximity fuzes KONGSBERG VAPENFABRIKK AS 1 March 1974 [26 March 1973] 9388/74 Addition to 1419596 Heading F3A [Also in Division H4] A proximity projectile fuze comprises at least two frequency selective amplifiers having different pass-band characteristics and adapted to receive the same input signals, wherein one of the amplifiers is arranged to actuate a detonator upon receiving a signal exceeding a given threshold level within the frequency range of its pass-band, and wherein one or more of the other amplifiers is arranged to increase the level which a signal in the one amplifier must exceed in order to activate the detonator, if a signal outside the frequency range of the passband of the one amplifier and exceeding a certain level appears in the pass-band of the other amplifier. Each amplifier is connected to a level detector. The detector connected to the other amplifier includes delay elements that prevent the detector connected to the one amplifier coming into operation until a certain time after the launching of the projectile. The delay elements also prolong the increased level required for detonation in the one amplifier. More than two amplifiers may be used. The fuze operates on the Doppler principle. The fuze includes percussion means for detonating the projectile on impact with the target if the proximity function has been precluded. The voltage for the electrical system is provided by a wind generator.
Patent GB-1023142-A (GB)
Title: A concrete reinforcement grid
IPC: E04C5/04
Filed: 1963-03-08
Abstract: In a concrete reinforcement grid the intersections of a number of longitudinal (1) and transverse (2) rods are encased in a synthetic plastics material Fig. 2 (not shown).  The envelope 3 may be formed by injection moulding, winding a wire or tape of plastics around the joint and sealing the ends or whole of the wound strip by heating, winding a tape with sythetic plastics adhesive around the intersection or by sintering a quantity synthetic plastics material with or without a bending agent in a mould.  When a mould is used it can be cooled to accelerate the setting of the plastics.  The plastics may be coloured and/or stamped to indicate grid size.  A downwardly directed spacer leg 6b Fig. 3 (not shown) may also be provided.
Patent GB-415509-A (GB)
Title: Apparatus for separating granular material
IPC: B03B5/24
Filed: 1933-03-30
Abstract: 415,509. Separating solid materials. HIRST, A. A., 3, Sherbourne Road, Acocks Green, Birmingham. March 30, 1933, No. 9543. [Classes 82 (ii) and 117.] In apparatus for separating a mixture of granular materials of different density of the kind including a stationary perforated supporting base on which the material is subjected to the stratifying action of an upward pulsating current of air or liquid, the table forms the bottom of a container which is formed such that the cross-sectional area of the lower part is less than that in the upper part so as to vary the intensity of the pulsations. In the form shown in Figs. 1 and 2, the base 11 of the container has parallel ribs 18 which may be bevelled or rounded at the upper edges 19 to provide a gradation of pulsation intensity. The container may be divided by a partition 8 into a compartment 6 where a preliminary separation takes place and the main separating chamber 7. The products are discharged at 15, 16, 20, and in the case of liquid entering at 9, the pulsations are caused by releasing air through mechanically operated valves 10. The underside of the container is formed hopper shape and provided with a screw conveyer 24 for discharging particles which pass through the base 11.
Patent GB-415189-A (GB)
Title: Improvements relating to stoneware and other conduits for electric cables
IPC: H02G3/06
Filed: 1933-03-30
Abstract: 415,189. Conduits. ALBION CLAY CO., Ltd., and LAWTON, G. O., Woodville, near Burton-on-Trent. March 30, 1933, No. 9545. [Class 36.] To prevent the passage of explosive gases along a line of conduits, the end conduit 11 of the line is closed by a plug 13 which screws into a socket 10 of the conduit and which has a hole 16 for the passage of the cable. The interengaging screw-threads of the plug and socket are formed in coatings 14, 12 of bitumen or the like. To facilitate insertion and withdrawal, the plug may have tommy holes 17. Specification 346,557 is referred to.
Patent GB-199840-A (GB)
Title: Improvements in tennis rackets and the like
IPC: A63B51/02
Filed: 1922-04-03
Abstract: 199,840. Larned, W. A. April 3, 1922. Rackets.-An elastic stringing for tennis rackets and the like comprises a number of strands of wire 11, Figs. 4 and 5, which are wound either upon a fabric core or so as to provide a hollow centre. A method of making the stringing consists in winding the strands so as to form helices and thereafter stretching the stringing so as to increase the pitches of the helices. Specifications 1560/85, 8904/85, and 17266/04, [both in Class 132, Toys &c.], are referred to.
Patent GB-104448-A (GB)
Title: Renovation of Worn Out Plaster Moulds Employed in the Moulding, Casting or Shaping Articles of Pottery.
Inventor: BENTLEY JOHN
IPC: B28B7/36
Filed: 1916-07-07
Abstract: 104,448. Bentley, J., and Bailey, B. July 7, 1916. Moulds. - Old plaster moulds are relined with fresh plaster to form a new shaping-face. The mould a is soaked in water, the worn face cut away, and a pouring-hole d provided. The mould is then inverted over a case e, and liquid plaster poured in, filling the space f Instead of cutting away the worn face, a pouring-hole may be formed and the mould inverted over a smaller case, or a case of the same size may be used, a space f being obtained by slightly raising the case. In relining moulds made in sections, each section is treated separately.
Patent GB-128254-A (GB)
Title: Improvements in or relating to Electromagnetic Vibratory or Oscillatory Apparatus.
Inventor: LATOUR MARIUS
IPC: H04R3/08
Filed: 1917-07-03
Abstract: 128,254. Latour, M. July 3, 1917. Telphones.-Electro-magnetic apparatus for use in submarine telephony &c. comprises an armature M, Fig. 2, which is caused to vibrate under the influence of electro-magnets A, A<1>, the windings B, B<1> of which are supplied both with continuous current from a. battery &c. S and with alternating current from terminals 1, 2 or from the secondarv t of a transfomner. The battery S and the terminals 1, 2 of the alternating-current source may be arranged as shown in Fig. 3; a condenser G isolates the batterv from the alternating-current source. The battery may be divided into two parts, each part being connected in circuit with one of the windings B, B'. The winding may be excited by intermittent current obtained by means of a rectifier R, Fig. 5. The electro-magnets A, A<1> may be multipolar, as shown in Fig. 7; the position of the armature M may be controlled by springs R, R<1> or by other resilient devices. The armature mav be laminated; in some cases it may be constructed as a thin plate. A plate P, Fig. 7, may be vibrated by the armature either directly or through multiplying levers. The windings B, B<1> may each be split up into a number of parts connected in series with one another through condensers. The apparatus is reversible and may be used as a generator.
Patent GB-1096282-A (GB)
Title: Improvements relating to refractors for use in luminaires
Inventor: WINCE VEARL SHOCKLEY
IPC: F21V17/18
Filed: 1966-03-04
Abstract: 1,096,282. Luminaires. HOLOPHANE CO. Inc. March 4, 1966, No. 9666/66. Heading F4R. A refractor for use with a light source, especially a fluorescent discharge lamp, for illuminating corridors and similar elongated areas, has a series of prisms 20 extending across the emergent face of the refractor and a second set of refracting prisms 26 for redirecting light in a direction transverse to the length of the refractor. The prisms 26 may lie in the valleys between the prisms 20. The sides 40 of the refractor have a system of horizontal prisms 42 on the inside and a system of vertical prisms 41 on the outside and the top surface has a set of prisms 50. The refractor is suspended by latches and hinge lugs from a housing supporting a fluorescent discharge lamp or enclosing the control gear therefor.
Patent GB-826456-A (GB)
Title: Improvements in or relating to apparatus for handling continuous stationery
IPC: B41J11/58
Filed: 1957-03-25
Abstract: 826,456. Typewriters &c. ROSS, H. H. Nov. 20, 1957 [March 25, 1957], No. 9724/57. Class 100(4) Apparatus for handling continuous stationery comprises a stand 5 having a pair of tubular legs to which a tray 7 is removably secured as at 8. The tray 7 is removably secured to a tabulating or like machine 10 as by suction cups 9. One or more similar trays 11 are attached to the other side of the stand 5 so that as shown interleaved stationery a, b is fed through the tabulator 10 from the tray 7 and the webs are then separated and passed to separate trays 11. Detachable deflectors 12 ensure the re-folding of the stationery or they can be used as extensions to the bottom of the trays. In an alternative use of the apparatus two separate web stacks are placed in the trays 11 the lower one passing through a slot 13 in the tray bottom above so that the webs become interleaved before passing to the tabulator and then to the tray 7. The trays are attached to the stand 5 at 8 by means of two tubular members 16 sliding over the legs of the stand and having diagonally opposed pairs of holes into which plugs 15 can be inserted which together with the overhung weight of the tray secures it in its adjusted position.
Patent GB-1253729-A (GB)
Title: Glass composition
IPC: C03C/
Filed: 1969-02-24
Abstract: 1,253,729. Opalizable glass composition. OWENS-ILLINOIS Inc. 24 Feb., 1969 [23 Feb., 1968], No. 9727/69. Heading C1M. A thermally opalizable glass composition consists of, in weight per cent: and, optionally, 0-2% colorant oxides, by weight based on the above composition. The colorant oxides may be oxides of Co, Cu, Cr, Ni and Mn. Opalization takes place under the thermal conditions prevalent during forming.
Patent GB-819511-A (GB)
Title: Improvements in or relating to electric oscillators of the kind incorporating a transistor amplifier
Inventor: MURRAY GEORGE
IPC: H03B5/12
Filed: 1957-03-25
Abstract: 819,511. Transistor oscillators. GENERAL ELECTRIC CO. Ltd. March 25, 1958 [March 25, 1957], No. 9786/57. Class 40 (6). An oscillator comprises a transistor having a resonant circuit connected in the output thereof and arranged to operate as a substantially linear amplifier throughout the oscillation cycle and a limiting circuit connected in a positive-feedback path between the output of said transistor and its input. Thus the transistor serves purely as a linear amplifier and the amplitude limitation essential to the proper functioning of the oscillator is performed in a separate part of the circuit. In the circuit illustrated a sinusoidal voltage is developed across secondary winding 10 and is applied to the base electrode of transistor 11, the base of transistor 12 being suitably biased by resistors 16, 17 but being returned to earth for alternating signals by the capacitor 18. By virtue of the common emitter resistor 13 the transistors 11 and 12 are rendered alternately conducting by the signal applied from the winding 10; thus a rectangular waveform appears at the function of resistors 14 and 15. This is applied to the emitter electrode of transistor 2 which operates as a grounded-base class A amplifier having a resonant circuit 7, 9 connected in its collector circuit. The collector electrode is connected to a tapping point on the primary winding 7, this point being so chosen as to present a low impedance to the third harmonic of the oscillation frequency as well as reducing the damping effect of the transistor 2 on the resonant circuit. The capacitor 9 may be variable or may alternatively be made temperature-sensitive to compensate for the effect of temperature upon the value of the inductance 7. Further frequency control may be provided by connecting a piezo-electric crystal in series with the resistor 20 in the feedback path. The oscillator may be modified for synchronization by disconnecting the by-pass capacitor 6, synchronizing pulses then being applied to the base of the transistor 2. A sinusoidal output is taken from the winding 21 and a rectangular-wave output from the collector electrode of transistor 12. Specification 792,418 is referred to.