baber/WOPTO huggingface dataset:
Patent GB-1025724-A (GB)
Title: Improvements in or relating to motion picture cameras
IPC: G03B21/32
Filed: 1963-05-02
Abstract: 1,025,724. Cine cameras. MEOPTA NARODNI PODNIK. May 2,1963 [June 1,1962], No. 17291/63. Heading G2E. A cine camera which may be used with doublerun 8 mm. film comprises a magazine 1 bodily removable from a camera frame body which totally or partially encompasses said magazine, and which consists of two or more mutually releasable portions, the magazine being releasably attached to the portion carrying the objective lens 6. The embodiment of Fig. 1 has frame portions 2, 3 separably connected by nut 16 and screw 17 with portion 4 hinged at 5 to the portion 2 which carries lens 6, viewfinder lens 7, exposure meter 8 and shutter release button 9. Magazine 1 is rotatable about an axis parallel to axis 61 and releasably attached to portion 2 by means of bayonet joint 10,11 whereby after said rotation the magazine may be slid laterally out of the frame. Portions 2, 3 may alternatively be connected by a cylindrical guide formed by the viewfinder barred, with a pressure spring or rack and pinion securing device. Magazine 1 is secured at the rear to portion 3 through rotatable square lug 12 and recess 13, and at the bottom to portion 4 through nut 14 and screw 15 which are released prior to the above rotation. In the embodiment at Fig. 8, the frame totally surrounds magazine 1 and comprises portion 25 hing- ed at 27 to rear portion 26, locking screw 28 securing the magazine to portion 25, while catch 29 locks portions 25, 26. In a further modification, the rear frame member rotates about axis 71 to free the magazine. The bayonet joint 10,11 may be replaced by a cylinder joint. The member 10 may act as objective lens carrier, in which case the member 11 carries a rotatable diaphragm to mask the exposure aperture in the magazine when this is removed.
Patent GB-643264-A (GB)
Title: Improvements in straight bar knitting machines
IPC: D04B15/64
Filed: 1945-07-06
Abstract: 643,264. Knitting-machines. POURCHOT, M. July 6, 1945, No. 17311. [Class 74 (ii)] In a straight-bar machine, sleeves 5, bearing thread-guides 6, slide on parallel bars 3 and are connected by flexible blades 7 with driving- sleeves 4 slidable on bars 2 and driven by a part 10 reciprocated with a constant stroke on guide-bars 11 by a rack-and-pinion 12, 13. The travel of the sleeves (and therefore of the thread-guides) is selectively adjusted by selvedge stops 23, 24, or cardigan stops 25, 26, containing rods 29, 29a respectively, which can be projected, as desired, to engage abutments 30, 30a, on the sleeves 4; the rods 29, 29a are projected, for this purpose, against the action of springs r, by bars 31, 31a, lowered according to pattern requirements by rockers 32 operated by a pair of synchronized rotating members 34. The drive is transmitted from the driving part 10 to the sleeves 4 by slidable abutments 15, 15a and co-acting abutments 16, 16a. When a carrier is arrested by the action of a stop, the co-acting oblique faces of the pair of abutments transmitting the drive ride over each other and the slidable abutment is pushed back into the driving part 10. At the beginning of each stroke, those slidable abutments which are retracted, but are to transmit the drive on that stroke, are projected by cocking hammers 19, actuated by interconnected members 21, one at each end of the machine.
Patent GB-905234-A (GB)
Title: Installation for the production of hand-made boards
IPC: D21F9/00
Filed: 1959-05-21
Abstract: 905,234. Paper-board-making machines. ZANDERS, FEINPAPIERFABRIK G.m.b.H., J. W. May 21, 1959 [May 22, 1958], No. 17359/59. Class 96. [Also in Group XXX] A hand-made paper-board ply felted on a cylinder mould is couched at 15 on to a pick-up. felt 14 which carries it to a make-up roll 16 on which it is wound to the desired wet thickness and cut by a blade actuated by compressed air. The cut sheet falls back to the felt 14 which transfers it to an endless belt 17 which is set in motion as by a photo-electric cell &c. and delivers it to an hydraulic, single-sheet press 11 from which it is taken by the belt 17 and passed to a roller train 18, between the rollers of which are interspersed conveyer belts 19 so that the board moves off at right-angles, to the feedbelt 23 of a dryer 12, where its forward edge abuts against the rear edge of the next board ahead. The conveyer arrangement allows the full width of the dryer 12 to be used irrespectively of the width of the boards, since all boards thus made are of the same length (corresponding to the circumference of the make-up roll). A photo-electric cell 26 starts and stops a high-speed drive 25.
Patent GB-1172883-A (GB)
Title: An Electric Control System for an Electrically Controlled Conveying Plant
IPC: G01V3/10
Filed: 1967-04-14
Abstract: 1,172,883. Proximity detectors. H. NIELSON & SON, MASKINFABRIK A/S. April 14, 1967 [April 15, 1966], No.17371/67. Heading G1N. An air cored differential transformer connected in a bridge circuit is used to detect the passage of metal articles on a conveyer to e.g. change the direction of travel of the article. The transformer coils are mounted coaxially in a potted unit with external guard plates to protect them from mechanical damage, and disposed so that one primary and secondary pair are nearer to the conveyer than the other pair Figs. 3, 4 (not shown). The output of the bridge may be fed to a pair of phase-sensitive amplifiers arranged to give equal and opposite D.C. output signals when the input is 90 degrees out of phase with the differential transformer supply voltage (i.e. when the bridge is balanced) and thus respond to phase change on unbalance, Fig.6 (not shown).
Patent GB-718513-A (GB)
Title: Improvements in method and apparatus for coating sheet material
IPC: B41M5/04
Filed: 1951-07-23
Abstract: 718,513. Coating webs. GIBBS, A. L. July 22, 1952 [July 23, 1951], No. 17422/51. Class 140. A moving web of sheet material, e.g. paper is coated whilst under tension across substantially the whole of its width with a molten composition solid at room temperature by projecting from a coating nozzle comprising a horizontal duct provided with a narrow slot or slot-like nozzle, or with a series of holes so closely spaced that the coating stream is continuous by the time it reaches the web, onto the under surface of the web a continuous. stream of coating liquid in excess of that required to coat the web, and passing the coated web over a scraper to remove the excess liquid, which may be returned for recirculation. If the coating liquid is such that it solidifies at a temperature slightly below the temperature at which it is applied to the web, the scraper may be arranged in close proximity to the point of application of the stream of liquid so that the excess liquid may be removed before solidification takes place. The continuous stream of coating liquid may be projected from the nozzle preferably under low pressure, e.g. by pumping or under gravity. In the application of a liquid coating containing wax in the manufacture of carbon paper, and in particular the application of such coating to a previously applied coating, which may have a tendency to melt and flow upon the second application, the scraper is arranged close to the coating point as practicable so that the time during which coating liquid is in contact with the surface to which it is applied is as short as possible. Further, the back of the web after leaving the scraper is brought into contact with a chilling roller to reduce the temperature of the coating rapidly and to prevent mixing of the under and upper coating, the roller also serving as a backing to prevent the web from being forced away from the stream of coating liquid.
Patent GB-1143717-A (GB)
Title: Improvements in and relating to re-fuelling gas-fuelled smokers' lighters
IPC: F23Q2/52
Filed: 1967-04-17
Abstract: 1,143,717. Lighters. SCRIPTO Inc. 17 April, 1967 [18 April, 1966], No. 17505/67. Heading F4F. A filling nozzle 160 for a refill can for filling a gas-fuelled lighter which has a filling valve assembly and a burner valve assembly side by side has a nozzle part 165 for insertion into the filler valve assembly and provided with a gas emitting notch 166 and has a spray guard plate 167 with slots 168 to receive the wind shield of the lighter and between them an arm 169 which presses on a reciprocable pin (60) of the burner valve to maintain it closed during filling.
Patent GB-680585-A (GB)
Title: Improvements relating to alternating current rectifying circuits
IPC: H02M7/04
Filed: 1950-07-13
Abstract: 680,585. Control of D.C. motors. BRITISH THOMSON-HOUSTON CO., Ltd., and LUDBROOK, L. C. July 5, 1951 [July 13, 1950], No. 17562/50. Class 38 (iii) [Also in Group XXXV] A rectifying equipment for a D.C. motor control system comprises two single phase, autotransformers T1, T2, the first (T1) of which has its primary terminals connected to two phases A, B of a three phase supply, while the other (T2) has one primary terminal connected to the third phase C of the supply, the other primary terminal to an intermediate point X on the' first autotransformer T1, the secondary windings of both autotransformers being, connected to the respective anodes of two pairs of rectifying valves V1, V2, or V3, V4 the cathodes of these valves being interconnected to form the positive terminal of the rectified supply, the connection O to the intermediate point X forming the negative terminal. An interphase transformer T3 may be inserted in the cathode connection if desired, and the grid control arrangements G1, G2 may be of any known fashion such as a resistance-capacitance or a saturable reactor bridge in conjunction with a D.C. bias potential. Alternatively the inherent quadrature relationship of the two autotransformers may be utilised in which case neutralising windings in the grid circuits'may be placed on the interphase transformer T3 With this circuit arrangement, if the A.C. supply neutral is earthed the negative D.C. terminal will be somewhat above earth potential.
Patent GB-515850-A (GB)
Title: Improvements in or relating to dry shavers
IPC: B26B19/12
Filed: 1938-06-14
Abstract: 515,850. Dry shavers. AMERICAN SAFETY RAZOR CORPORATION. June 14, 1938, No. 17639. Convention date, June 22, 1937. [Class 131] A dry shaver comprises an oscillating blade 40 with cutting edges 42, 44 co-operating with cutting edges 28, 29 at the inner ends of two rows of staggered slots 24, 25 in the shear plate. In a modification, Figs. 7 and 8, two cutter blades 80, 82 are provided, each co-operating with cutting edges at the opposite ends of its own row of slots 76, 77. Such slots may be separated.by ribs alternately wide and narrow. The blade is pivotally mounted in a slide 16 which is spring- pressed towards the shear plate. The outer surface of the shear plate may be flat or concave, and reinforcing ribs 48, 50 may be applied to the underside, the cutter blade being slotted to receive the ribs. Specifications 509,310 and 516,073 are referred to.
Patent GB-255467-A (GB)
Title: Improvements in or relating to measuring instruments
IPC: G01V7/10
Filed: 1926-07-14
Abstract: 255,467. Koenigsberger, J., (Assignees of Heckmann, K.). July 17, 1925, [Convention date]. I n d i c a ting.-A measuring - instrurr.ent having a. wire suspension is pro vided with heating means for tempering the wire in position in the instrument the invention is particularly applicable to a torsion balance for measuring small variations in the force of gravity. In the form shown the wire 3 is surrounded by a jacket 5 containing an electrical heating-element 6. The ends of the wire are separated from the casing 1 and moving member 2 by insulating blocks 7, an insulating disc 8 being also provided around the lower block 7. Insulating blocks 7 are also inserted between the jacket 5 and casing 1, and preferably also the outer surface of the jacket is insulated. In a modification the jacket is heated by a current of hot gas passed through it.
Patent GB-543042-A (GB)
Title: Improvements relating to boiler-flue cover blocks
IPC: F23M7/00
Filed: 1940-12-14
Abstract: 543,042. External flues of steam boilers. PEARSON, Ltd., E. J. & J., and HOPE, J. J. Dec.14, 1940, No. 17686. [Class 123 (ii)] Flue cover blocks b overhanging a side flue and contacting. with the boiler shell d as described in Specification 22601/11. [Class 123 (ii) are formed with engaging rounded or sloping end portions g, instead of with engaging end flanges and recesses, to provide stronger gas-sealing means between the blocks.
Patent GB-451534-A (GB)
Title: Improvements in or relating to electromagnetic switches of the type used in telephone systems
IPC: H01H67/06
Filed: 1935-06-20
Abstract: 451,534. Oscillating motors. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and ERIKSEN, J., c/o General Electric Co., Ltd., Stoke, Coventry. June 20, 1935, No. 17687. [Class 35] [See also Group XXXIX] The armature of the driving magnet of a step-by-step switch carries two pawls pivoted on the same axis and both moving the ratchet wheel in the same direction, one pawl being effective on energization of the magnet and the other on release thereof. The pawls diverge from the common axis and are held against the ratchet wheel by a single tension spring extending between them, thus sufficiently loading the ratchet wheel to avoid use of a detent. Two steps of the ratchet wheel move the switch from one contact to the next. The switch is fast stepping and is not started and stopped abruptly at each step, the back and front " stops" for the armature being formed of flat springs. As shown, the pawls 37, 36 pivoted to the armature 17 at 40 act respectively on the energization and release of magnet 18 which is mounted on the frame so as to be adjustable towards or away from the interrupter and spring stop assembly 29-31. The back and front stop springs 29, 30 are engaged by studs 23, 24 on the armature, 24 being of insulating material, and adjusting screws 50, 35 are provided for the stop springs 35 having an insulating tip. The stop spring 30 co-operates with spring 31 for self-interruption of the magnet, spring 31 being adjusted by screw 32 locked in a turned over portion of spring 31. The wipers may over-run slightly at the end of each stroke but definite overstepping is prevented by an adjustable spring stop 42 engaging pawl 36. The Provisional Specification describes the spring stop feature in conjunction with an ordinary single pawl electromagnet, and also an auxiliary magnet energized during stepping but released when the required contact is reached to wedge the pawl or pawls against the ratchet wheel.
Patent GB-964743-A (GB)
Title: Improvements relating to the connection of light metal parts with iron or steel parts by welding
IPC: B23K9/23
Filed: 1962-05-09
Abstract: 964,743. Welding by fusion; jointing. J. BERTELS. May 9, 1962 [May 16, 1961; July 5, 1961], No. 17846/62. Headings B3R and B3V. A light metal member is connected to a galvanized portion of an iron or steel member using gas - shielded arc welding with a light metal welding wire, the arc being maintained with the light metal part. Butt or T-joints may be so made. An aluminium tube 8, Fig. 4, is connected by a pair of aluminium fillet weld deposits 12 to the hot-dip galvanized portion 11 of a steel strip 10 welded to an angle 9. In another form of joint, Figs. 6, 7, 8, for connecting an aluminium plate 21 to a steel plate 16, the steel plate 16 is riveted or welded to a steel strip 14, 24 having an edge prepared with a W or stepped profile. Holes 20 bored through a narrow central portion 19 of the edge allow sufficient shielding gas, e.g. argon, to pass to and shield the reverse side of the work when the first side is welded. The profiled edge of the strip 14, 24 is galvanized after the holes 20 are formed. Alternatively in place of the holes 20 the centre portion 19 is formed with recesses 23 which may be of dovetail shape. The holes 20 or recesses 23 besides allowing passage of argon strengthen the joint by the mechanical interlock formed with the solidified weld metal. In a modification, Fig. 9, the connecting strip is formed by an apertured strip 27 welded or riveted in a U-shaped member 25 prior to galvanizing. In a further modification the profiled edge of the strip is formed with bevels which may be grooved or knurled. The process may be used to connect a mild steel plate to a plate of aluminium - 3% magnesium using an aluminium - 5% silicon welding wire.
Patent GB-562251-A (GB)
Title: Improvements in or relating to gas turbine plants
Filed: 1942-12-16
Abstract: 562,251. Gas turbines. SULZER FRERES SOC. ANON. Dec. 16, 1942, No. 17872. Convention date, Dec. 17, 1941. [Class 110 (iii)] In a turbine plant, in order to provide a quick shut-down, the working fluid is caused to byepass the turbine and to prevent damage by the working fluid beyond the turbine, it is diluted with a cooling medium which may be drawn in by injector action. In the case of steam turbines, steam of lower temperature may be used as the cooling medium. In the plant shown, the turbine 5 is driven by compressed air from a compressor 1 heated in a heat-exchanger 2 and a surface heater 3. Some of the compressed air after passing through the heat-exchanger 2 is taken through pipe 4 and used as combustion air ; the products of combustion passing by pipe 21 to a useful power turbine 6. In a quick shut-down, the valve 15 is shut and the valve 16 is opened to pass the working fluid through an injector 17 to the waste pipe 18. Air drawn past the non- return valve 19 lowers the temperature of the working fluid. At the same time a valye 14 is opened which permits a small quantity of air to circulate through the turbine 6 to prevent overheating. An open throttle disc may be used in place of the valve 14.
Patent GB-515955-A (GB)
Title: Improvements in and relating to fittings for the fuse and meter connections of electric supply services
IPC: H02G3/08
Filed: 1938-06-16
Abstract: 515,955. Junction boxes; meter casings. HOPE, V. June 16, 1938, Nos. 17874/38 and 19781/39. [Classes 37 and 38 (i)] In a consumer's meter installation, the meter is applied directly to one face of the terminal and fuse box so that the electric connections pass through such face and cannot be tapped. The meter terminals may consist of plugs 28, Figs. 5 and 6, which fit into sockets 26 in the auxiliary casing A', these being connected by cables to the mains R, R<1>, the neutral terminal N and the phase terminal P via the fuse F. The plugs 28 have collars 29 which are held in position by the slotted cover 30. Removal of the meter can only be effected' by removal of the cover 30 and this in turn can only be done by removal of the cover a<10>. In a simpler form of construction the intermediate case A' is not present, cables from the box passing directly to the meter. Specification 467,177 is referred to.
Patent GB-665230-A (GB)
Title: Improvements relating to cathode ray tubes
IPC: H01J29/54
Filed: 1949-07-06
Abstract: 665,230. Cathode-ray tubes. FERGUSON RADIO CORPORATION, Ltd., and LOCKYER, J. S. July 5, 1950 [July 6, 1949], No. 17917/49. Class 39 (i). Centering of an image on a cathode-ray tube screen is effected by a magnetic ring 21 adjustable in two directions at right angles relative to the axis of an adjacent and fixed magnetic focusing assembly 11 by a single control member 25. The member 25 operates a leadscrew 24 to traverse the ring across an intermediate supporting member 15 and also transversely adjusts the supporting member 15 and ring about a fixed pivot 14 on the magnetic focusing assembly. A bracket 18 resiliently clamps the intermediate member 15 after adjustment against a mounting ring secured to the magnetic focusing assembly.
Patent GB-595307-A (GB)
Title: Improvements in or relating to thermionic relaxation oscillators
IPC: H03K4/14
Filed: 1944-09-20
Abstract: 595,307. Pulse frequency dividing circuits. SCANTLEBURY, G. S. P. Sept. 20, 1944, No. 17930. [Class 40 (v)] In a relaxation oscillator having a regenerative circuit with a control at one point in the circuit to prevent regeneration for an interval after relaxation, a further control is operative to prevent regeneration except when a control pulse is received. The circuit may be employed as a frequency divider. Valve 1, Fig. 2a, connected as a blocking oscillator, is arranged with the grid resistor 4 connected through a further resistor 6 to the source of anode potential. The suppressor grid is biassed beyond anode current cut-off, a positive pulse allowing the valve to conduct and generate an oscillation. After the valve 1 has cut-off, due to the blocking oscillator action, capacitor 2 discharges, the screen grid passing current, after an interval so that its potential falls and diode 9 conducts to discharge capacitor 5 slowly until the next controlling pulse is received. The controlling pulses may be of greater duration than the period for which the valve conducts, and the blocking oscillator may be replaced by a multivibrator connection, Fig. 2b (not shown). In a further modification, Fig. 4, the grid of an auxiliary valve la is connected to that of valve 1, the screen grid operating at a higher potential so that as capacitor 2 discharges valve 1a commences to conduct, while valve 1 is still cut off, thus reducing the period during which an interferring signal may be effective. When capacitor 2 has discharged further, the screen grid of valve 1 passes current and the circuit is ready to receive the next controlling pulse. Specification 595,345 is referred to.
Patent GB-610520-A (GB)
Title: High frequency treatment of food products in glass and like containers
IPC: A23L3/01
Filed: 1945-07-13
Abstract: <PICT:0610520/III/1> <PICT:0610520/III/2> <PICT:0610520/III/3> For uniformity in the electrostatic heating of food products in containers of material having a high dielectric constant, e.g. glass, ceramic, plastic, the filled containers are immersed in a bath of liquid or sand having a high dielectric constant and the combined bath and immersed containers are subjected to the high-frequency electrostatic field.  Trays 2 of electrically non-conductive material, in which are jars 1 of food resting on bosses 20 in the base of the tray and surrounded by water, other liquid of high dielectric constant, or sand, are carried on a belt 4 of canvas or glass fabric between electrodes 5 and 6 connected to a high-frequency oscillatory generator G, the belt sliding over the electrode 6 and the spacing between the electrodes being adjustable by movement in a stationary bracket 12 of a threaded spindle 11 attached to the electrode 5.  Alternatively, jars of food are carried on a belt 16 through an elongated tank 15 in which flows a liquid of high dielectric constant, the liquid entering and leaving by the inlet and outlet 18 and 19, and are, during their passage between electrodes 21 and 22 connected to a high-frequency oscillatory generator G1, submerged in the liquid, the belt carrying the jars being held down by engagement under idler rollers 17.  The Specification as open to inspection under Sect. 91 comprises also immersion of the containers in any fluid bath having a high dielectric constant.  This subject-matter does not appear in the Specification as accepted.
Patent GB-774544-A (GB)
Title: Improvements relating to hydraulic fluids
Inventor: BROWN WILLIAM BERNARD
Filed: 1954-06-18
Abstract: 774,544. Hydraulic fluids. MONSANTO CHEMICALS, Ltd. May 24, 1955 [June 18, 1954], No. 17965/54. Class 69 (2). An hydraulic fluid comprises at least 75 per cent of a mixture of a chlorinated diphenyl, a triaryl phosphate, e.g. tricresyl and trixylenyl phosphates, and a polymer of an ester of acrylic or methacrylic acid, e.g. homopolymers of alkyl acrylates and methacrylates in which the alkyl groups contain from 2 to 10 carbon atoms and copolymers with unsaturated substances such as styrene, butadiene and maleic acid esters.