baber/WOPTO huggingface dataset:
Patent GB-1403111-A (GB)
Title: Packages for semiconductor chip electronics circuits
IPC: H01L23/50
Filed: 1972-07-12
Abstract: 1403111 Semi-conductor devices GLOBEUNION Inc 12 July 1972 [19 Aug 1971] 32586/72 Heading H1K An electronic circuit package 10 contains a cavity 12 containing a semi-conductor chip 14; enclosed by sealed cover 18 and provided with plural exterior leads 16 in parallel rows along the longitudinal edges; the chip having outgoing connecting wires 22. The body of the package is formed of plural layers of thermally dissipative insulant, e.g. glass, plastic, or preferably alumina or beryllia ceramic of which a first layer 26 is disposed intermediately of a second top layer and a third bottom layer, all laminated and, e.g. fired to produce a unitary monolith. Laffers 24, 26 are centrally apertured at 24a, 26a, and layer 28 closes the resultant cavity 12 which is stepped at 30 as a chip lead connecting surface. Longitudinal overhanging edges of layer 24 overlap these of layer 26 and 32 for attachment of exterior leads 16, and a conductive, e.g. metallized pattern 34 at the interface of layers 24, 26 extends outwardly from the surface 30 to the overhand 32 of layer 24, and to its inner ends connecting leads 22 from chips 14 are attached, while exterior leads 16 are attached to its exterior ends at the underside of the overhang. Conductive pattern 34 comprises radial leads 36 combined with external parallel disposed braze pads 38 which are respectively screen printed on the upper face of layer 26 and on the under face of layer 24, which may be assembled into alignment and heat fused to a single conductor (Figs. 4, 5). A metallized pad on the upper face of layer 28 is disposed at the bottom of cavity 12 for attachment of chip 14, and a metallized seal frame 42 surrounds the aperture on the upper surface of layer 24 for attachment of encapsulating cover 18; the material used for the conductive pattern, pad, and seal frame being, e.g. W or Mo and MgSO 4  powder in butyl carbitolacetate with an acrylic resin ethyl cellulose binder added. The external leads 16 are cranked for attachment to the braze pads to reduce bending stresses, and are initially interconnected by an integral connecting band 46 stamped therewith and are bent at right angles after chip insertion and connection and application of the cover; after which the band is removed. In a modification (Figs. 7, 8, not shown) plural chip cavities may be provided, and the device may comprise a 2 layer structure with the conductive pattern extending over the lower layer from the boundaries of the aperture for connection of the chip wires, while extending outwardly of the overhang of the upper layer for external lead connection. In fabrication the metallized pattern and braze pads are formed on the appropriate positions of layers of green ceramic material; which are then assembled in registry, pressure bonded, and fired in cracked ammonia atmosphere to cure the ceramic and fuse the conductive patterns. Thereafter the leads 16 are attached to the braze pads, and the exposed metal parts are Au plated.
Patent GB-756578-A (GB)
Title: New monoazo-dyestuffs and process for making them
IPC: C09B29/08
Filed: 1953-11-24
Abstract: The invention comprises monazo dyestuffs of formula <FORM:0756578/IV(c)/1> wherein n is 1 or 2 and one of the X's is a -SO2 CH3 group and the other a hydrogen or chlorine atom.  They are prepared by coupling a diazo compound from an appropriate aminobenzene-methyl sulphone with 1 - di - (b  - hydroxyethyl) - amino - 3 -methyl - benzene or its 6 - methoxy derivative. Specified diazo compounds are 1 - aminobenzene - 2 - or - 4 - methylsulphone, 2 - chloro - 1 - aminobenzene - 4 - methylsulphone, and 4 - chloro - 1 - aminobenzene - 2 - methylsulphone.  The dyestuffs may be freely ground with a dispersing agent such as turkey red oil, sulphite cellulose waste liquor or sodium muheptadecyl - N - benzyl - benzimidazole disulphonate and either used as such or dried to form dyestuff preparations.  The dyestuffs dye cellulose esters or ethers, superpolyamides and superpolyurethanes in orange or red shades. In examples dyestuffs are prepared from the components specified above. Specifications 456,343 and 457,687 and 507,378 [all in Group IV] are referred to.
Patent GB-146050-A (GB)
Title: Improvements in and relating to water tube boilers
IPC: F22D7/00
Filed: 1919-12-31
Abstract: 146,050. Stirling Boiler Co., and Mackay, H. J. S. Dec. 31, 1919. Water-tube boilers.-In a water-tube boiler of the Stirling type fired from both sides or both ends, each drum A is provided with a water-tight feed box G extending over a portion only of the length of the drum and embracing a part of the bank of tubes H. The bank H is connected to a section of the mud-drum D separated from the remainder by an imperforate partition I so that the water flows both downward and upward within the bank H. A baffle K is interposed between the bank of tubes H and the bank L associated with the same steam and mud drums. In a modification, separate combustion-chambers are provided and the feed is supplied to a single central drum. Specification 130,468, which describes a similar arrangement applied to a boiler fired from one end, is referred to.
Patent GB-328142-A (GB)
Abstract: 328,142. Noris Zund-Licht Akt.-Ges., and Weckerlein, H. May 28, 1929. Igniting systems.-The switch S is normally on contact 1 for putting the coil Z in circuit with the dynamo D, and automatically returns to that position after being thrown over to contact 2 to place the coil in. circuit with the battery B.
Patent GB-263855-A (GB)
Title: Improvements in or relating to a device for ensuring that a tight seal is obtained in distributors of fluids under pressure and like systems
IPC: F16K3/16
Filed: 1926-12-30
Abstract: 263,855. Tebaldi, A. Dec. 30, 1926. Closure members. rotary cylindrical and sliding. -In valves for fluid-pressure motors or compressors, the edges of the ports are of reduced thickness and are slit to make them elastic and are pressed by fluid-pressure against the coacting surfaces to prevent leakage. The slide valve, Figs. 1, 2, is reduced in thickness around the port 2 and is slit at 6 to provide flexible tongues 5 which are pressed by fluid against the surface 4. The tongues may be tapered 'in thickness. A rotary valve controlling inlet and exhaust is shown in Fig. 3. The fluid tightness is effected by tongues 13 which engage the exterior of the valve.
Patent GB-907720-A (GB)
Title: A process for the recovery of uranium and thorium values
IPC: C22B60/02
Filed: 1958-10-17
Abstract: Uranium and/or thorium values are recovered from suspended solids occuring in natural waters associated with mineral oil deposits, by separating the solids, optionally calcining to destroy organic matter, and dissolving with hydrochloric acid. The solution is then contacted with an anion exchange resin which takes up uranium and/or thorium complex anions.  Elution may be effected with N hydrochloric acid.  After initial dissolution of the solids in hydrochloric acid, ascorbic acid may be added and the pH adjusted to 4 to 5 with ammonia to form an ascorbinate complex which is treated with an anion exchanger as before.  In an example, mud is settled from oil well liquor, calcined and dissolved in 4N hydrochloric acid.  Solid ascorbic acid is added to reduce ferric iron to ferrous, and the solution contacted with an artificial anion-exchange resin which has been pretreated with 4N hydrochloric acid containing a minor amount of ascorbic acid. Elution is effected with N hydrochloric acid and the eluate evaporated and calcined to uranium oxide.
Patent GB-1489126-A (GB)
Title: Electric precipitator gas cleaning apparatus
IPC: B03C3/10
Filed: 1975-08-08
Abstract: 1489126 Electrostatic separators S T MILJOTEKNIK AB 8 Aug 1975 33241/75 Heading B2J In an electrostatic filter of the type in which collecting electrodes 2 are mounted for rapid rotation about discharge electrodes 1 so that particles deposited on the collecting electrodes 2 are thrown outwards by centrifugal force into an external space between the collecting electrodes 2 and a gas-tight casing 3, there is further provided an arrangement in an extension, in the direction of the gas stream, of the annular gap between the electrodes 1, 2 to lead off the peripheral portion of the gas stream radially outwards into a separate chamber 12 having an outlet 14. In this peripheral portion of the gas stream, which may be deflected into the chamber 12 through an extension of the collector electrode 2 by a conical flange 23, are many of the smaller particles not removed electrostatically and this portion of the gas stream from outlet 14 may be recirculated through conduit 21 and apertures 21 in the discharge electrodes 1 back into the annular gap between the electrodes 1, 2. Liquid sprayers to moisten the gas may be arranged inwardly of that portion of the collecting electrodes 2 defining the chamber 12 to establish a curtain of finely divided liquid directed towards this portion. Also to increase the separation efficiency the discharge electrodes 1, e.g. in the form of thin wires or a grid arranged outside a cylindrical body, may be divided into two insulated sections, the first section being at a potential to provide particle charging by corona discharge and the second section being at a higher potential but not producing any corona discharge. The collecting electrodes 2 may comprise axially extending wires or vanes and a flushing arrangement (not shown) may remove separated particles in the external space between electrodes 2 and casing 3 via a liquid drain 11.
Patent GB-1494816-A (GB)
Title: Aspirating device for removing contrast liquid from the spinal canal of a patient
IPC: A61M1/00
Filed: 1976-08-10
Abstract: 1494816 Cannulas KENDALL CO 10 Aug 1976 [29 Aug 1975 3 Nov 1975] 33275/76 Heading A5R A device 50 for removing contrast liquid from the spinal canal, comprises a cannula 52 having one or more openings 62 confined to a zone extending 0.32 cm from the distal end 60, a hub 54 adjacent the proximal end 56 of the cannula, a connector 72 which fits into hub 54 and has opposed wings 88, a tube 68 connecting connector 72 to connector 78 which has opposed wings 90, and a syringe 70 which connects to connector 78. The distal end of the cannula may be closed Figs. 2-5 (Figs. 3-5 not shown), or open, Figs. 7-13 (not shown). There may be pairs of opposed openings 64, 66 Figs. 2-5 and 7-10, a single side opening, Fig. 11, a pair of opposed slots, Fig. 12, or a single distal end opening having a serrated edge, Fig. 13. Access to the spinal canal is provided by a needle used in conjunction with a stylet, Fig. 1 (not shown).
Patent GB-1334891-A (GB)
Title: Package with film-covered aperture
IPC: B65D75/20
Filed: 1971-07-15
Abstract: 1334891 Package, pasticularly for sterile objects GOODYEAR TIRE & RUBBER CO 15, July 1971 [17 Aug 1970] 33286/71 Heading B8C In forming a package, particularly for sterile object such as a hypodermic needle, a backing sheet 2, having a window with wide and narrower portions 3a, 3b respectively, and having fastened to one side thereof, for instance by heating, a transparent, or opaque, sheet of plastics 1 such as vinyl, or polyethylene, is folded along an intermediate creased, or perforated, line 4 with the sheet 1 located interiorly of the folded backing sheet halves 2a, 2b to enclose an article 10 to be packaged placed therebetween and the contacting areas of the sheet 1 are sealed together. The folded half of the backing sheet 2b, in which only the narrower window portion 3b extends, is provided with a tear slit 5 which is preferably terminated by a small hole 6. The outer surface, and those exposed through the opening 3a, 3b, may carry printing instructions &c. Where excessive bulging of the sheet 1 is necessary to accommodate an article the sheet 1 may be heated just before the packing operation. To open a package the folded edge 8 of the sheet 1 is cut, or torn, and the portions of the package on the two sides of the slit are distorted in opposite directions, as shown in Fig. 6, without tearing, or cutting, the backing.
Patent GB-1272755-A (GB)
Title: Retriever trainer
Inventor: RICHARDSON KENNETH FREDERICK
IPC: F42B12/74
Filed: 1968-07-12
Abstract: 1,272,755. Projectiles for gun-dog training. K. F. RICHARDSON. 23 June, 1969 [12 July, 1968], No. 33288/68. Heading A6D. [Also in Division F3] A projectile 10 for training dogs in retrieving comprises a metal tube 11 having one end closed and the other end open, the open end being adapted to be fitted over a gas injection nozzle 15, one or more outwardly extending flanges 13 secured to the tube 11, and a synthetic resin body 14 moulded around the tube 11 and flange 13. The body 14 is preferably made of a plastics foam having an outer skin.
Patent GB-428947-A (GB)
Title: Improvements relating to chain adjusters for cycles
IPC: B62M9/16
Filed: 1933-11-28
Abstract: 428,947. Cycle - chain adjusters. HARRIS, H. B., 133, Lavender Sweep, Battersea Rise, London. Nov. 28, 1933, No. 33302. [Class 136 (iii)] A chain-adjuster for bicycles &c. of the type comprising a plate or washer B provided with a screwed shank B<1> and with a slot adapted to coincide with a forwardlyopening slot in the fork end A, the plate being recessed to receive the face of the wheel spindle nut, is characterized in that the adjusting-nut C is provided with a collar C<1> maintained in position between the rear end of the fork end A and a slotted angle-plate D, which is secured in position by an apertured pin E adapted to guide the shank B<1>. A projection on the back of the plate B engages the slot in the fork end A to maintain the adjuster slot in correct alignment.
Patent GB-387460-A (GB)
Title: Improvements in or relating to machines for applying gum or other liquid adhesive substances to sheet materials such as paper, card, envelope blanks and the like
IPC: B31B19/00
Filed: 1931-12-02
Abstract: <PICT:0387460/III/1> Paper sheets, cards, envelope blanks, &c. are gummed uniformly or in strips by passing from a removable work table 36 between one or more gumming rollers 30 rotated by a handle 18 in a gum trough 1, and a pressure roller 3 mounted in bearings secured to a plate 4 which may be rotated about an axis close to the axis of the roller to adjust the pressure applied.  A scraper 9 of rubber or other resilient material is pressed adjustably against the pressure roller 3, and forms with flanges on the roller a duct from which excess adhesive is returned by a ripe 11 to the trough 1.  The gumming roller or rollers are carried by a frame 15 which can be moved on rails 16 from under the pressure roller for inspection &c. Scrapers 22 for the gumming rollers are fixed to a supporting plate 23 mounted on eccentric sleeves 28 on a shaft 27 which may be turned by a hand-wheel to adjust the plates horizontally.  Some of the gumming rollers may be isolated by cups 31 supported on bars 32 and serve as supports only for the work.  The gummed sheet material is received on blades 33 pivoted loosely on a spindle 34 and resting on the axle 17 of the gumming rollers.  The pressure roller may be flangeless and have a flanged scraper, or the scraper may be replaced by a rubber roller, or an auxiliary scraper similar to the first may be provided.  The pressure roller may consist of several rollers mounted on one spindle and each provided with a scraper.
Patent GB-421226-A (GB)
Title: Improvements in methods and apparatus for treating and examining lubricants
IPC: G01N33/30
Filed: 1933-11-29
Abstract: 421,226. Testing efficiency of lubricants. YACCO S.A.F., 42, Avenue de la Grande-ArmÚe, Paris. Nov. 29, 1933, No. 33453. Convention date, Nov. 30, 1932. [Class 106 (ii)] A method of treating lubricants in various gaseous atmospheres consists in subjecting the lubricant to mechanical treatment between two coaxial truncated conical members which are adjustable axially one relatively to the other, and in feeding in gas or air to form the desired atmosphere. A vessel a having an inner surface in the shape of a frustum of a cone is provided with a rotor b of corresponding shape arranged coaxially therewith and driven by a shaft b<1>. There are thus formed upper and lower chambers a<1>, a<2> connected by a thin annular chamber. These chambers are connected by pipes to a pump e<2> having in circuit a reservoir e<1> and a tank e<2> provided with a pressure gauge. Conduits c, d are provided for the inflow and outflow of a gas. Other conduits f<1>, f<2> are provided for thermometers &c. and a conduit g for draining off samples. The rotor b is fixed to a sleeve h slidably keyed on the shaft b<1>, the sleeve being carried on a ball bearing i in a support j screwed on a boss k and capable of being moved by worm gear m, l to move the sleeve longitudinally and thus adjust the clearance between the conical surfaces. Suppose it is desired to treat the lubricant in an atmosphere of nitrogen. This gas is fed through the conduit c, the gases in the chamber being evacuated through the conduit d until the chambers all contain nitrogen at practically atmospheric pressure. The chambers are then filled with lubricant from the reservoir e<1>. The rotor b is then allowed to rotate say for five hours at 5000 revolutions per minute. At the same time the pump is operated at a desired speed and the liquid circulated. The lubricant after treatment is removed through the conduit g and examined. One or both of the conical surfaces may be provided with grooves running along generatrices.
Patent GB-447763-A (GB)
Title: Improvements in wire drawing machines
IPC: B21C1/08
Filed: 1934-11-21
Abstract: 447,763. Drawing wire; winding- bobbins. UNITED WIRE WORKS (BIRMINGHAM), Ltd., and LOWNDES, H., Adderley Street, Birmingham. Nov. 21, 1934, Nos. 33488/34 and 24101/35. [Class 83 (iv)] [See also Group IX] A wire-drawing machine has a hollow housing which carries the bearing for the spindle of the winding drum, and is movable about trunnions to bring the drum from the normal vertical position to a horizontal position for removing the wire. An independent drive may be provided for the winding drum. The driving shaft 9, Fig. 3, is driven from a pulley 12, and drives the drawing drum 21 through worm gearing 22, 23, and the winding drum 17 through worm gearing 41, 42. The dies 36, Fig. 5, are supported in a carrier 25, which is caused to move in a loop-like path by eccentrics 33 driven from the shaft 9 through gearing 28, 29, a shaft 27, and gearing 30, 31. The idler and drawing drums 20, 21 are hollow, the hollow end projecting over the bearing 18, 19. The winding drum 17 may be swung to a horizontal position for unloading about its driving shaft upon release of a pin 46 by a handle 47, the weight of the drum being counterbalanced. The lower portion of the tank 10 forms a sump for lubricant, from which lubricant is pumped through a filter 48 to a lower reserve tank by way of a cooler, and is delivered therefrom to the dies 36 and a final fixed die 57. An adjustable overflow pipe 67 is provided in the tank 10. A pointing device is carried on a pedestal adjacent the machine, and a miniature drawbench is provided wherein the wire may be reduced to facilitate threading. A separate motor 68, Fig. 6, may drive the winding drum 17 through a clutch 71, the clutch being disengaged upon rotation of a member 82 relatively to the stationary foot 72 of the drum, cam surfaces 83 causing the drum to be lowered to move the clutch parts from engagement. The drum may then be moved to a horizontal position about a hollow, horizontal shaft 77 upon release of the pin 46. The weight of the drum is supported in part by a spring 85. The drawing drum in this modification is driven through a flexible coupling from a second motor the shaft for reciprocating the die carrier being driven from the shaft of the drum through chains, and a further chain driving the lubricant pump. In a further modification the motor driving the winding- drum is mounted vertically below the drum. The end of the shaft of the drum 21 is supported in a bearing as described in Specification 447,825.
Patent GB-1498483-A (GB)
Title: Escape route indicating system
IPC: G08B5/36
Filed: 1975-08-12
Abstract: The arrangement for marking an escape route (1) has light sources (2) which are arranged along the escape route and light up with a temporal phase shift in order to generate an escape light which indicates the direction of escape. Some of the light sources (2) are assigned sound sources (3) which are tripped together with the light sources, in order to mark the escape route. The light sources are advantageously held in different colours and shapes. The sound sources radiate in one embodiment in a direction opposite to the direction of escape, and they can likewise operate in a phase-shifted manner. The optical and acoustic device is used, in particular, to mark escape routes in buildings. <IMAGE>
Patent GB-309514-A (GB)
Title: Improvements in and relating to variable resistance shunts
IPC: H02H9/04
Filed: 1927-12-12
Abstract: 309,514. Porter, G. L., and Ferranti, Ltd. Dec. 12, 1927. Sets of resistances; contacting-solid resistances.-Variable resistance shunts used across relays, &c. g, h, each comprise two parallel limbs a, b composed of metal rectifier units, the units in one limb being oppositely directed to those in the other. The variation in resistance of the unit is due to the property that for the direction of current corresponding to hard resistance, the resistance varies in an inverse manner with the current.
Patent GB-1013243-A (GB)
Title: Process for making polychloroprene
Inventor: MATTHEWS RICHARD JOHN STRACHAN
IPC: C08F36/16
Filed: 1963-08-24
Abstract: Chloroprene is polymerized or copolymerized with another copolymerizable monomer in the presence of a peroxide compound as initiator and a hindered phenol having a tertiary butyl group in each ortho position to each phenolic hydroxyl group.  The process may be applied to both sulphur and mercaptan modified polychloroprenes. Any peroxide may be used-potassium persulphate is preferred.  Specified hindered phenols are 2,6-ditertiary-butyl-4-methyl phenol, 2,6-ditertiary butyl-4-phenyl phenol and 4-methylene-bis-(2,6-ditertiary butyl phenol).  The monomer may be washed with aqueous alkali before polymerization.
Patent GB-342367-A (GB)
Title: Improvements in relating to electrical turning gear for starting internal combustionengines
Filed: 1929-11-05
Abstract: 342,367. Turning-gear. ROYCE, SIR F. H. and ROLLS ROYCE, Ltd., Nightingale Road, Derby. Nov. 5, 1929, No. 33615. Addition to 280,709, [Class 7 (v), Internalcombustion engines, Starting &c.]. [Class 7 (v).] In the electric starter described in the parent Specification, the starting motor may continue to run if the engine fails to start and the normally closed switch d<3> in the first controlling circuit fails to open on the closing of the switch d<6> in the main circuit. This is now prevented by providing the handactuated switch f with two contacts, the contact f<1> being connected to the terminal h on the rocking conductor d and the contact f<2> being connected directly to the terminal g of the coil c<1>.