baber/WOPTO huggingface dataset:
Patent GB-1342816-A (GB)
Title: Nondestructive testing of plated tubing
IPC: G01N29/07
Filed: 1971-04-19
Abstract: 1342816 Ultrasonic inspection of tubing DART INDUSTRIES Inc 19 April 1971 [12 Feb 1970] 24691/71 Heading H4D The integrity of the bond between plating and the wall of a tube plated internally is checked by transmitting an ultrasonic pulse from inside the tube bore towards the plating and determining whether or not there is an appreciable interval between reception of the echo from the radially inner plating surface and reception of any echo from a more remote surface. In the embodiment described a transmit/receive transducer is mounted axially in the (liquid-containing) tube on a carriage having sprung arms which support wheels engaging the plating. This mounting allows a helical scan of the plating. The transducer is coupled to a pulse-echo instrument including a display C.R.T., the horizontal time base of which is deflected vertically by the echoes. The apparatus is calibrated by a pulseecho test on similarly-dimensioned but unplated tubing, by arranging for the inner and outer surface echoes to give displayed peaks at about 50% of the CRT screen height and separated by about 90% of the time-base dimension. A good bond on the test specimen will then produce a similar displayed echo pattern, but the two peaks will be substantially coincident (and the second peak will be of low amplitude) for a poor bond.
Patent GB-1304888-A (GB)
IPC: C08L21/00
Filed: 1970-05-21
Abstract: 1304888 Nucleated polyamides GENERAL MILLS CHEMICALS Inc 21 May 1970 [22 May 1969] 24707/70 Addition to 1200547 Heading C3R A crystalline polymeric fat acid polyamide obtained by reacting an acid component comprising a hydrogenated polymeric fat acid of at least 80 wt. per cent dimer content and a further dibasic acid with a diamine component contains as nucleating agent a poly C 4-6  olefine, a copolyolefine of C 2-6  olefines, polystyrene or a terpolymer of acrylonitrile, butadiene and styrene. Specific examples illustrate improvements in tensile modulus resulting from the use of each type of nucleating agent the polyolefines used being polybutylene and poly(methylpentene) and the copolyolefines being copolymers of ethylene with propylene or butylene. The nucleated resins are suitable for use as adhesives or for moulding, e.g. by injection moulding, sheeting or extrusion, they may be shaped while semi-fluid and subsequently solidified by rapid cooling.
Patent GB-700261-A (GB)
Title: Improvements in electrical plug or socket connectors
IPC: H01R4/24
Filed: 1951-10-23
Abstract: 700,261. Two-part couplings; lampholders. GILBERT, C. E. Oct. 23, 1951 [Nov, 10, 1950], No. 24747/51. Class 38 (1). A plug or socket connector comprises a hollow insulating body slidably embraced by a cover which presses a cable into engagement with means on contacts in the body adapted to pierce the insulation of the cable and contact the conductors thereof. Figs. 1 and 2 show a plug in which the body 21 is rectangular and has internal partitions 37 ... 39, partition 38 being pointed at its upper end to locate the conductors of a twin-core cable 62 adjacent the side walls of the body, said cable entering the body through an aperture 46 in one end wall and being laid longitudinally of the body so as to be positioned above the inner ends of blade contacts 23, 24 located in holes 42, 43 adjacent partitions 37, 39 said contacts being retained in the body by lugs 29 bent over the partitions. Said inert ends of the contacts have points 31 thereon which pierce the cable when the cover 22 is slid into position, projections 58 on the cover engaging the cable. The cover also forms a kink 63 in the cable adjacent aperture to prevent tension being applied directly to the contact-engaging portions of the cable. In a modified plug, Fig. 13, the body 21 is T-shaped, the arms of the T being engaged by the cover 22. Figs. 14 and 15 show a socket for connection at any point along a cable in which the rectangular body 81 has a longitudinal cable-receiving channel 86 in its base into which open slots 87, 88 in recesses in which, blade contacts 83, 84 are located, said contacts having off-set pin-engaging portions and prongs 102 on their inner ends which project into channel 86 and are adapted to pierce the cable insulation when the channelshaped cover 82 is slid over the body. In another embodiment, Figs. 18 and 19, also for connection at any point along a cable, the body 214 has a cylindrical portion threaded at 215 to receive a lamp, and a square base portion which is T-shaped in cross-section. Blade contacts 216, 217 are located in recesses in the body and are bent to engage the lamp contacts, their inner ends projecting into a transverse cable-receiving channel 229 in the base of the body and having prongs 218, 219 thereon adapted to pierce the cable insulation when the cover 228 is slid over the T-shaped base.
Patent GB-1473678-A (GB)
Title: Apparatus for decoding double frequency data representing signals
IPC: G06K7/10
Filed: 1974-06-05
Abstract: 1473678 Decoding double frequency signal INTERNATIONAL BUSINESS MACHINES CORP 5 June 1974 [2 July 1973] 24812/74 Heading H4P [Also in Division G4] An arrangement is described for decoding a double frequency coded signal in which the presence and absence of a signal transitions (or pulses) between regular clock transitions (or pulses) represent respective binary states by using a retrospective pulse modulation (RPM) decoder generating at each transition (or pulse) a signal indicative of whether the transition (or pulse) interval terminated by the transition (or pulse) is of the same or a substantially different duration from the preceding interval, irrespective of the size of the intervals, and a circuit modifying the signals from the RPM decoder to produce a double frequency decoded output. A retrospective pulse modulation decoder, e.g. as described in Specification 1,324,223, is used to decode, a double frequency coded signal, e.g. read from a magnetic tape, in accordance with a convention whereby the value of a bit represented by a transition is determined by a comparison of the intervals between the transition and the preceding transition and between the preceding transition and the next preceding transition, e.g. intervals equal bit=1, intervals different (usually by a factor of two) bit = 0, irrespective of the order in which the larger and smaller intervals occur. The output of the RPM decoder which consists of a data signal and a clocking signal is then fed to a circuit, three embodiments of which are described, which modifies the decoded data and clock signals so as to decode the original signal as a double frequency coded signal. Further circuitry may be provided automatically to switch the modifying circuitry into and out of operation in accordance with the polarity of the RPM decoded preamble to the signal whereby the arrangement automatically decodes a signal as an RPM or double frequency coded signal as appropriate.
Patent GB-896538-A (GB)
Title: Electrical precipitator
IPC: B03C3/10
Filed: 1959-07-20
Abstract: 896,538. Electrostatic precipitation. AMERICAN AIR FILTER CO. Inc. July 20, 1959 [Sept. 8, 1958], No. 24814/59. Class 39(1). An electrostatic precipitator comprises a set of ionizing wires 26 and a set of moving collecting plates 51 which are moved past the ionizing wires in interleaving relationship. The moving plates also interleave with a set of stationary plates 27. The plates are cleaned at the bottom of the housing by a scraper assembly 68 which consists, Fig. 5, of elements 74 of steel braid which wipe the plates 51. Brackets 72 guide the plates through adjacent elements 74. A plate 70, Fig. 1, extending from the scraper assembly 68 into the hopper prevents by-passing of gas. The moving plates are supported on endless chains (not shown) which pass over sprockets (not shown) mounted on the shafts 59, 61. The stationary plates are supported on side members 41 so as to be readily detachable. The ionizing wires 26, Fig. 7, are supported from members 14, 24 and insulators 9, 19. The structure may be vibrated by means of a pneumatic vibrator 79 attached to member 76, member 76 being connected by rods 77 to insulators 9 and itself mounted on springs 78. A spacing bar 32 is provided at the bottom of the ionizing wires and intermediate spacing elements are provided by eye-hook members 39. In a modification the moving collecting plates may interleave with ionizing wires on both sides of the housing. This arrangement may be used as a preliminary ionizer for a collecting stage of similar form in which, however, moving collecting plates interleave with stationary plates on both sides of the housing. Specification 634,676 is referred to.
Patent GB-516275-A (GB)
Title: Improvements in and relating to metal compositions
IPC: C22C29/16
Filed: 1937-12-16
Abstract: 516,275. Hard alloys. MALLORY METALLURGICAL PRODUCTS, Ltd., (Mallory & Co., Inc., P.R.). Dec. 16, 1937, No. 24844/39. Divided out of 513,623. [Class 82 (i)] In hard metal compositions adapted for use as contact material in circuit interrupters &c. and consisting of a refractory ingredient dispersed in a lower-melting metal, the refractory ingredient constitutes up to 75 per cent. of the composition and consists of zirconium carbide or nitride to which may be added metallic molybdenum or tungsten or their carbides ; or borides or nitrides of titanium, hafnium, vanadium, columbium or tantalum, and the metal is copper, silver or gold. Commercial zirconium nitride containing impurities such as carbon may be used. The powdered ingredients may be sintered together or the refractory ingredient may be sintered to form a porous body which is brought into contact with the molten metal. Specification 513,623 is referred to.
Patent GB-895150-A (GB)
Title: Improvements in or relating to methods of manufacturing welding electrodes
IPC: B23K35/22
Filed: 1958-08-01
Abstract: A tungsten welding electrode containing also vanadium, mobium or tantalum is made by mixing one or more compounds of the additional metals with tungsten powder, reducing the mixture and sintering the reduced mixture with simultaneous hammering. Suitable amounts of metal compounds are 0,12-2,2% V2O5, 0,2-3,5% Nb2 O5 and 0,35-5,5% Ta2 O5 and the compounds may be introduced by impregnation of tungsten powder with a soluble salt of the metal e.g. (NH4)3 VO4.  The reduced mixture may be moulded into rods before the sintering-hammering step or drawn into rods thereafter.  U.S.A. Specification 2,640,135 is referred to.
Patent GB-692725-A (GB)
Title: Improvements in or relating to welding apparatus and welding systems
IPC: B23K9/10
Filed: 1950-10-12
Abstract: 692,725. Control systems for welding arcs. GENERAL ELECTRIC CO., Ltd., and PICKERING, I. J. Sept. 20,1951 [Oct. 12. 1950], No. 24958/50. Class 38 (iv). In an arrangement for controlling the supply of two-phase current to welding electrodes 10, 11 an auxiliary low-voltage A.C. or D.C. from transformer 62, 63 is fed over one of the welding leads 13 to control a main contactor 50 through a slugged relay 66 in accordance with whether or not the electrode 11 is in contact with the work 14. A second relay 60 in the common return path maintains the energization of the contactor once the arc is struck and the low voltage circuit is opened by contact 64.
Patent GB-1029795-A (GB)
Title: Improvements in or relating to air conditioning units
IPC: F24F1/031
Filed: 1963-06-24
Abstract: 1,029,795. Air conditioning units; refrigerating. RIELLO CONDIZIONATORI S.p.A. DI GIORDANO RIELLO & CO. June 24, 1963 [June 28, 1962], No. 25104/63. Headings F4H and F4V. In an air-conditioning unit including a refrigeration circuit of the type in which room air is circulated over the evaporator 11 and externd air over the motor-compressor 17 and condenser 26, the motor compressor unit is mounted coaxially with the air circulating blowers 8 and 9 and their driving motor 10. The blowers 8 and 9 are of centrifugal type and are located one on each side of a partition 1 which divides the unit into compartments A and B. Air drawn into the unit by the blower 8 through a filter 3 is passed through a scroll casing 20 to the evaporator 11 and thence into the room. Condensate from the evaporator collects in a cup 13 and is discharged through a flexible duct 14 to the outlet 23 of the compressor cooling blower 9 whence it is blown over the condenser 26. Any condensate collecting in a cup 15 below the condenser is discharged through a duct 16 to the outlet 23. Control members are carried on a panel 18.
Patent GB-1529227-A (GB)
Title: Optical viewing systems
IPC: G02F1/135
Filed: 1976-09-03
Abstract: 1529227 Detecting movement photoelectrically BRITISH AIRCRAFT CORP Ltd 3 Sept 1976 [12 June 1975] 25134/75 Heading H4D To detect when a change occurs in a field of view, the field of view is viewed by one or more photodetectors 4, Fig. 1 via a liquid crystal arrangement 3 which varies its spatial opacity so as to duplicate the image of the field. Any change in the field of view leads to a darkening of the image as seen by the detectors. Use of one detector indicates movement somewhere in the field-a plurality of detectors enables the determination of the position of the movement. The liquid crystal arrangement, Fig. 2, comprises a cholesteric liquid crystal 13 containing a pleochroic dye, sandwiched between two transparent electrode (8, 9) bearing glass plates 7, 6. The rear electrode has the potential applied to the 1./c. material varied by a photoconductive layer 12 such that a bright part of the image causes reduced resistance, a higher potential and field and more local 1./c. material-dye orientation with reduced opacity. A red biasing light source 14 does not affect the layer 12, but adds to the illumination falling on the detectors 4 so that they operate at optimum level.
Patent GB-404401-A (GB)
Title: Radio receiver
IPC: H03D7/18
Filed: 1932-09-09
Abstract: 404,401. Valve circuits for wireless reception ; impedance networks. HAZELTINE CORPORATION, 15, Exchange Place, Jersey City, New Jersey, U.S.A.-(Assignees of Johnson, J. K. ; Central Avenue, Hartsdale, and WHEELER, H. A. ; 18, Melbourne Road, Great Neck, both in New York, U.S.A.) Sept. 9, 1932, No. 25147. Convention date, May 25. [Classes 40 (iii) and 40 (v).] In a supersonic heterodyne receiver having a plurality of tuning circuits in cascade, image frequency interference is suppressed by an image frequency suppressing circuit which couples two circuits of the selecting system. The Figure shows a detector-oscillator 11 having a band-pass input with mixed coupling L4C5 operating on two wave bands controlled by switches S1-S3. The oscillator circuit C6L5 is coupled to the output through the circuit L7C8 on the higher wave-band and through the circuit L7L8C7 on the lower wave-band and is coupled to the circuit between the cathode of the valve 11 and earth. This circuit also includes resistance condenser combination R3 C11 and coil L13 which is coupled to the input so as to suppress the image frequency by opposing the energy of this frequency passing through the band-pass filter and operates on both wave-bands.
Patent GB-722908-A (GB)
Title: Improvements in or relating to diversity radio receiving installations
Inventor: RICKABY FREDERICK IAN
IPC: H04B7/12
Filed: 1951-10-26
Abstract: 722,908. Radio receiving systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. July 8, 1952 [Oct. 26, 1951], No. 25151/51. Class 40 (5). In a diversity receiving system comprising a plurality of signal paths all leading to a common combining circuit CC, each path including gating valves V1, V6 of smoothly variable gain or attenuation, each path also feeds a control circuit consisting of an amplifier valve V2 and double diode V3A, V3B which effects a changeover from one path to another having the greatest signal strength at a rate proportional to the relative rate of change of the input levels to the two paths. One diode V3A of each control circuit feeds a load AC, points C of all the loads are connected in common, and points A apply the control voltages developed to the cut-off valves V1, V6. The other diodes V3B of the control circuits are connected as shown between the anode of the associated diode V3A and earth, so that the common points C are driven negative through the diodes V3B to a voltage proportional to the maximum of all the peak signal levels in signal paths. This voltage is added on to the voltage of opposite sign developed across each control circuit AC so that the above rate of change-over is attained. A load LAB between the common points C and earth provides a common load for all the diodes V3B and allows the common points C to increase as well as decrease in potential in accordance with the value of the greatest input to the control circuits. The diodes V3B also prevent the points A exceeding earth potential. The valves V1, V6 may be intermediate frequency amplifiers feeding the combining circuit CC through detectors DA.
Patent GB-1240762-A (GB)
Title: Cylindrical pressure vessel
Inventor: ANDERSSON SIGFRID
IPC: F16J12/00
Filed: 1969-05-16
Abstract: 1,240,762. Reactor pressure vessels. S. ANDERSSON. 16 May, 1969 [17 May, 1968], No. 25232/69. Heading G6C. A nuclear reactor pressure vessel consists of a thin-walled container 1, supported by the external girders 8, the annular elements 17 and the end walls 4 and 5. The reactor core is supported by the platform 86. The girders are cooled by coolant flow in channels 13, and the rollers 27 permit radial expansion. Coolant tubes may be mounted on the outer surfaces of the container 1, and serve as steam generators and the inner wall may be provided with thermal insulation formed of spaced metal sheets. The end walls 4 and 5 are formed of wedge-shaped rings 24, locked together at 32. A metal sheath 21 is attached to elements 17 to prevent their relative movement. The elements 17 are formed of metal rings 18 held together by bolts 19 and are supported by brackets 20 on girders 8.
Patent GB-199303-A (GB)
Title: Improvements in or relating to mechanically driven drag saws
IPC: B27B11/08
Filed: 1922-09-18
Abstract: 199,303. Drummond, A. Sept. 18, 1922. Reciprocating - saw machines. - The frame A of a timber-cutting saw is made of steel or other tubing, rigidly clamped at one end in a bracket F which rocks on the upper end of an oscillating arm B. The lower end of the arm, which may also be of tubular construction, is mounted on a shaft C which has an additional lateral bearing to prevent twisting. The inside faces of the clamp F are non-circular and adapted to crush the tube upon an inside ring G.
Patent GB-384373-A (GB)
Title: Improvements relating to stitcher mechanism for use in the manufacture of pneumatic t
IPC: B29D30/14
Filed: 1931-09-08
Abstract: 384,373. Manufacture of pneumatic tyres. GOODYEAR TIRE & RUBBER CO., 1144, East Market Street, Akron, Ohio, U.S.A. Sept. 8, 1931, No. 25244. Convention date, Jan. 30. [Class 144 (i).] Stitcher mechanism for use in the manufacture of pneumatic tyres comprises at least one stitcher arm with means for imparting to it lateral or swinging movement, and other separate means for controlling at will such movement. In the construction shown, a pair of arms 48 carrying stitcher rollers 60 are fixed to shafts 49 connected by brackets 42 and rods 41 to pistons 34. These pistons are mounted within cylinders 26 adapted to receive fluid under pressure, whereby the rollers 60 are moved towards the tyre 118 against the action of springs 44. The pistons may be caused to operate independently or simultaneously. Keyed to the shafts 49 are arms 80, the movement of which is limited by set screws 82 threaded into brackets 84. The brackets are secured to slides 88 bored to receive a screw 110 which may be rotated by means of a handwheel 112, thereby to vary the position of engagement of the arms 80 with the sets-crews 82, and control the rate of movement of the arms 48. The rollers 60 are mounted on levers 56 which are pivotally connected to the arms 48 and, by means of latch pins 66 and openings 68, are capable of angular adjustment. The stitcher mechanism is mounted on a slide 16 which is adjustable towards or from the tyre 118 by means including a hand-wheel 24.
Patent GB-894755-A (GB)
Title: Elevator dispatching and control system
IPC: B66B1/18
Filed: 1960-07-20
Abstract: 894,755. Lift control systems. MAGEE, J. E. July 20, 1960 [July 24, 1959], No. 25215/60. Drawings to Specification. Class 78 (3). A lift dispatching and control system for a plurality of cars serving a plurality of landings, comprises means for selecting cars for dispatching from a dispatching landing, means for dispatching selected cars from said landing, predicted demand means for each of the served landings for permanently establishing an anticipated demand for service for the landing for which it is provided, registered demand means for each of said served landings operable for registering actual demand for the landing for which it is provided, and dispatching control means responsive to the total service demand established by said predicted demand means and registered by said registered demand means to which the then selected car is subject, for causing said dispatching means to dispatch said selected car when such total service demand exceeds a certain amount. The Specification describes in detail a three car system serving seventeen floors, in which the movable contacts of variable resistances are preset in accordance with anticipated demands from the floors and are moved automatically in response to actual demands, the arrangement being such that when the resistances reach predetermined values they effect dispatching of the cars. U.S.A. Specification 2,589,242 is referred to.
Patent GB-896973-A (GB)
Title: Improvements in cable and like marking machines
Inventor: DOWNES JOHN
IPC: B41F19/06
Filed: 1959-07-23
Abstract: 896,973. Marking cables. MILFORDASTOR Ltd. Oct. 20, 1960 [July 23, 1959],No. 25254/59. Drawings to Specification. Class 100(2) In apparatus for marking cables which is driven by the passage of the cable therethrough, the cable is first passed through a pre-heating unit to raise the temperature of the cable to substantially the temperature of the marking or printing dies of the apparatus. The apparatus may be as described in Specification 877,113, wherein the cable rotates a cylinder having heated dies and an automatically changing numberprinting mechanism thereon which mark the cable through a transfer foil. The pre-heating unit may be of tunnel construction with electric radiant heating elements, or gas or other heating units therein, and the cable is heated to approximately 125‹ C. The cable may be cooled on leaving the marking apparatus by passing it through a unit which is cooled by water or streams of air.
Patent GB-637553-A (GB)
Title: Apparatus for use in the manufacture of artificial sponges
IPC: B29C44/00
Filed: 1947-09-16
Abstract: 637,553. Making artificial sponges from cellulose material by extrusion. SPONCEL, Ltd. Sept. 16, 1947. No. 25284. Convention date, July 2, 1946. [Class 87 (ii)] [Also in Group XIV] Artificial sponges are made by extruding viscose mixed with fibrous and crystalline substances through a nozzle 2 comprising a tubular tapering portion 3 followed by a tubular diverging extension 4 which is inserted into a mould 5 slidable on a base 8. The portion 3 and the region of its joint with the extension 4 is surrounded by a heating jacket 9 or other heating means to facilitate the extrusion. The mould recedes from the extension 4 as it is charged and when full the issuing stream of paste is cut off and a new mould placed over the extension 4. The mould preferably fits the mouth of the extension 4 closely. The portion 3 and extension 4 may be of frusto-conical or frusto-pyramidal shape and instead of being contiguous may be joined by an intervening prismatic or cylindrical portion. The base 8 may be inclined.