baber/WOPTO huggingface dataset:
Patent GB-1405692-A (GB)
Title: Cleaning soldered electronic articles
IPC: C23G5/028
Filed: 1973-05-01
Abstract: 1405692 Chlorinated hydrocarbon solvent compositions UDDEHOLMS AB 1 May 1973 [3 May 1972] 20692/73 Heading C5D A method of cleaning a soldered electronic article from fluxing agent and other impurities comprises washing the article with a solvent composition consisting of at least one alcohol containing 4-6 C atoms in a quantity of 3-50% by wt. and at least one solvent from perchlorethylene, trichlorethylene and methyl chloroform in a quantity of 50-97% wt. In a modification, the solvent composition consists of at least one alcohol containing 3 C atoms, e.g. a mixture of 1-propanol and 2-propanol in a quantity of 3-15% wt. and 85-97% wt. of perchlorethylene. The alcohol may be aliphatic or cycloaliphatic. The preferred composition contains perchlorethylene and especially an azeotropic mixture of pentanol (10-20% wt.) and perchlorethylene. For this solvent, alcohols having boiling points of 115-150‹ C. are preferred, e.g. 1-butanol, cyclopentanol, 1- hexene-3-ol, cyclopentanol and many others.
Patent GB-499758-A (GB)
Title: Manufacture of gelatine reliefs for imbibition printing
IPC: G03C7/25
Filed: 1937-07-27
Abstract: 499,758. Photographic imbibition printing-surfaces. I. G. FARBENINDUSTRIE AKT.-GES., and BLOXAM, A. G. July 27, 1937, No. 20749. Addition to 443,111. Drawings to Specification. [Class 98 (ii)] The colouring imparted to silver halide emulsions containing colourless solid particles, or to the particles themselves, for the purpose of controlling the gradation in the preparation of imbibition printing reliefs as in the parent Specification, is modified so as to be complementary to a part only of the region of extra sensitivity conferred on the emulsion by colour sensitizing. Preferably, such colouring absorbs light from 540 ÁÁ towards the larger wavelengths. In examples: (1) an orthochromatic silver bromide emulsion sensitive to light up to 600 ÁÁ has incorporated therein a blue-green pigment absorbing light from 530ÁÁ onwards ; (2) a panchromatic emulsion is coloured with a blue-green dye absorbing light from 570 ÁÁ to 700 ÁÁ; (3) a pigment absorbing light from 500 ÁÁ onwards is added to a silver bromide emulsion sensitive to light up to 520 ÁÁ ; and (4) a pigment absorbing light between 600 ÁÁ and 500 ÁÁ, 420 ÁÁ or a shorter wavelength is added to an emulsion sensitized to light up to 620 ÁÁ. The layers produced have a thickness not exceeding 10 Á the particle size of the pigment being not greater than 1Á, and are used to produce reliefs by etching with hydrogen peroxide.
Patent GB-879665-A (GB)
Title: Reciprocating pumps
IPC: F02M59/00
Filed: 1958-06-30
Abstract: 879,665. Reciprocating pumps. HOLLEY CARBURETOR CO. June 30, 1958 [Oct. 7, 1957], No. 20839/58. Class 102(1). In a piston type pump, capable of simultaneously delivering two kinds of liquids of different pressures, a drive shaft 30 oscillates a yoke 14 about a pivot 16. The yoke 14 is connected to the pistons 38 and 40 by pull rods 50 and springs 62 urge the pistons in a direction to establish pressure in the pumping chambers 46 and 48. Liquid is admitted through check valves into the pumping chambers 46 and 48 whilst one or other of the pistons maintains a predetermined pressure of liquid at the outlet of the pump. A second independent pumping cylinder 90 in which the piston 92 is reciprocated by a block 26 against which the stem 95 is pressed by a spring 93. Liquid is admitted through the check valve 100 and discharged through the check valve 106. The pistons 38 and 46 may be employed to pump fuel to an internal combustion engine and the piston 92 may operate to pump lubricating oil, different delivery pressures being obtained by using appropriate springs. The piston 92 may also be loaded by the delivery pressure developed in the chambers 46 and 48.
Patent GB-706162-A (GB)
Title: Substituted benzamides and fungicidal compositions containing same
IPC: C07C233/00
Filed: 1952-08-20
Abstract: The invention comprises N-(p-chlorophenyl)-o-nitrobenzamide and N-methyl-N-(p-chlorophenyl) - o - nitrobenzamide.  These compounds, which possess fungicidal properties, may be prepared by the reaction of o-nitro benzoyl chloride with p-chloro-aniline and N-methyl p - chloroaniline respectively.  In examples (1) aqueous p-chloroaniline hydrochloride and o-nitro-benzoyl chloride are reacted in the presence of aqueous sodium hydroxide with shaking; (2) a benzene solution of o-nitrobenzoyl chloride is treated dropwise with a benzene solution of N-methyl p-chloroaniline with stirring.ALSO:Fungicidal compositions comprise N-(p-chlorophenyl)-o-nitro-benzamide or N-methyl-N-(p-chlorophenyl)-o-nitro - benzamide, and a liquid or solid carrier.  They may further contain various surface-active dispersing agents or other fungicides, bactericides, insecticides, fertilizers or hormones.  As solid carriers are mentioned powdered mineral silicates, e.g. mica, talc, pyrophyllite and clays.  The composition may comprise an aqueous suspension of the chemical, preferably including a surface-active agent, e.g. a sodium alkyl aryl sulphonate, as a spray, or a solution in a volatile solvent for aerosol treatment.  Compositions containing powdered solid carriers may also include small amounts of a dispersing agent to yield a wettable powder.  In examples infected barley seeds are treated with (a) each of the nitrobenzamides; (b) aqueous suspensions of the benzamides containing 1 per cent of a sodium aryl alkyl sulphonate; (c) aqueous suspensions of the benzamides.
Patent GB-478373-A (GB)
Title: Improvements in cathodes and other electrodes of thermionic discharge apparatus
IPC: H01J1/16
Filed: 1936-07-28
Abstract: 478,373. Thermionic valves. DODDS, J. M., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. July 28, 1936, No. 20910. [Class 39 (i)] A filamentary cathode consists of a number of wires a arranged in parallel and equiangularly with respect to two straight molybdenum supports b. Two or more such elements may be mounted to form a circular cathode' 1, Fig. 2, the supports b being held in clamps on pipes for cooling medium. A control or screen grid 6 may be similarly constructed and supported. The cathode may be oval shape in crosssection, and the construction is suitable for delta connected cathodes. An example giving sizes of the wires &c. is described. Specification 235,295, [Class 39 (i)] is referred to.
Patent GB-1067474-A (GB)
Title: Pyrazino [2,3]oxazines and their preparation
IPC: C07D241/34
Filed: 1963-10-15
Abstract: The invention comprises 2-(C1- 5 alkyl)-6-halo-4H - pyrazino[2,3 - d][1,3]oxazin - 4 - ones and the preparation thereof by heating a 3-amino-6-halopyrazinoic acid with a C2- 6 alkanoic acid anhydride. The example relates to 2-methyl-6-chloro - 4H - pyrazino[2,3 - d][1,3] - oxanin - 4 - one. The starting material, 3-amino-6-chloropyraninoic acid, is made by alkaline hydrolysis of the corresponding methyl ester.
Patent GB-337065-A (GB)
Title: Improvements in device for shrinking cloth
IPC: D06C7/02
Filed: 1929-07-08
Abstract: 337,065. Cluett, Peabody, & Co., Inc., and Cluett, S. L. July 8, 1929. Expanding pulleys. - An expanding pulley comprises a disc 96 fast on its shaft 71<a> and having inclined parts 97, and a complementary spring- pressed disc 98 with parts 97<a> intermeshing with the parts 97, the diameter of the pulley being determined by a micrometer nut 100 having a graduated flange read against an index 102.
Patent GB-857814-A (GB)
Title: Decorative plastic extrusion
IPC: B29C48/08
Filed: 1958-07-01
Abstract: 857,814. Coated fabrics. ANSELM, A. C. July 1, 1959 [July 1, 1958], No. 21023/58. Class 140. A decorative plastic extrusion comprises a transparent or translucent plastic material within which is embedded a layer of a tarnishable or corrodible metal, e.g. aluminium, so as to be visible through a front face of the extrusion, wherein the metal layer is applied in close surface contact on the surface of a strip of transparent or translucent plastic foil which is embedded in the extrusion with the plastic foil facing the front face of the extrusion, whereby that surface of the metal layer which is applied against the foil is seen through the front face of the extrusion. The metal foil or layer may be laminated between transparent or translucent plastic foils and the laminate embedded in the extrusion. The extrusion may be produced by first laminating the metal foil or layer under pressure between two layers of transparent or translucent plastic so that the laminµ become closely pressed against the metal, and then feeding the laminate as an insert into translucent or transparent plastic material as it is extruded. The laminate may be formed by the application of heat and pressure and may be cut into strips prior to insertion into the extrusion. Spaced strips of metal foil may be laminated between layers of plastic and may be cut into strips between the strips of metal foil prior to insertion in the extrusion. Again, a metal coating may be formed, e.g. by spraying or vacuum-deposition, on the surface of a plastic foil which may be in the form of a strip or the coated plastic foil may be cut into strips, prior to insertion into the extrusion. A second plastic foil may be laminated to the coated surface of the plastic foil and the laminate may be cut into strips prior to insertion into the extrusion. The extrusion may have any desired cross-section. Plastics specified are polyvinyl chloride, lurex, " Melinex," " Terylene," and " Mylar " (Registered Trade Marks).
Patent GB-334322-A (GB)
Title: Improvements in fuel pumps for heavy oil engines
IPC: F02M59/00
Filed: 1929-07-10
Abstract: 334,322. Brown, W., Hammer, A., Purday, H. F. P., Miller, J., and Rebbeck, F. E. July 10, 1929. Crank - actuated pumps; regulating delivery by opening by - passes a n d suction valves.-In a fuel pump for reversible internalcombustion engines comprising a plunger G which makes two reciprocations for each injection and determines the instant at which injection begins by closing the inlet port M, the end of the injection is controlled by a slide valve K which controls a return passage P between the pump barrel V and the inlet M, and makes one reciprocation while the plunger G makes two, the valve K being operated to open the passage P during the whole of the second stroke of the plunger. The plunger and valve are driven by the engine through a crank &c. F and an abutment S so that they remain stationary during part of the engine cycle or reversal of the engine, before their movements are reversed. In another form, the valve K has a single cutting-off edge and is operated by the rod H through a trip gear. In another form, the valve K is operated successively by two levers, one for opening the passage P during the injection stroke of the plunger, the other for opening it during the waste stroke. In another form, the two levers of the preceding form operate a lift valve controlling the passage P. In another form, the passage P is controlled by the combination of the valve K and a lift valve. Specification 315,168 is referred to.
Patent GB-995933-A (GB)
Title: Improvements in and relating to snap-action electric switches
IPC: H01H1/28
Filed: 1963-05-28
Abstract: 995,933. Retractive switches; switch contacts. POLYCONTACT A.G. May 28, 1963 [June 20, 1962], No. 21228/63. Heading H2B. A snap-action switch is provided with spring- loaded fixed contacts 6 and 7 to ensure that the reduction in contact pressure immediately before a break from moving contact 1 occurs after the contact 1 has started its snap-over travel, and annular main contacts 8 and 9 are arranged as shown, concentric with contacts 6 and 7 respectively to provide positive stops for both the fixed and moving contacts. The contacts 8 and 9 are preferably of refined silver, while contacts 6 and 7 are of are-resistant material, for example, cadmium silver oxide. The moving contact 1 is carried on a leaf spring 2 coupled by a snap-spring 3 to a spring arm 4 actuated by plunger 5. Sliding movement of contacts 6 and 7 on contact 1 during operation provides self-cleaning.
Patent GB-782949-A (GB)
Title: Improvements in or relating to accessory-drive gear-boxes on aircraft
IPC: B64D41/00
Filed: 1955-07-22
Abstract: 782,949. Auxiliary power systems for aircraft. AIR-EQUIPMENT. July 22, 1955 [July 27, 1954], No. 21239/55. Class 4. An accessory gearbox 1 on aircraft driven from an engine (not shown) through a universal joint 5 has three take-off drives 2, 3 and 4 for engine driven auxiliaries. One point 4, has a mounting flange and an easily releasable fastening for the flange 27 of a secondary gearbox 19 which is connected by a universal joint 25 and shaft 24 to an external power source 26. The drive from joint 5 passes through a spring- closed clutch (not shown) which is released by a shaft 9 operated by a lever 30 and rod 33 urged to the right by the flange 27 when gearbox 19 is mounted on gearbox 1. Normally, engine auxiliaries mounted at 2 and 3 are driven from the engine through the clutch. If it is necessary to test the auxiliaries with the engine not operating the gearbox 19 is mounted on gearbox 1 whereby the clutch is automatically freed so that the auxiliaries may be operated by power source 26.
Patent GB-479197-A (GB)
Title: Improvements in or relating to miners' safety and other electric battery lamps
IPC: F21L4/00
Filed: 1936-07-31
Abstract: 479,197. Two - part couplings. OLI)- HAM & SON, Ltd., and MAIR, T. G. July 31, 1936, No. 21249. [Class 38 (i)] [Also in Group XI] An electric - battery lamp or accumulator lamp, more particularly a miner's safety lamp, is provided with a multi-filament bulb carried in a socket 14, Fig. 4, which is mounted on an insulating-block 1 rigidly connected to a metal cap or carrier 2, the insulating-block 1 being provided with contact members such as 4, 6 which connect the desired filament of the lamp to the terminals of the battery or accumulator by a rotary movement of the metal cap 2 relatively to the casing containing the battery or accumulator. In the example the lamp bulb is provided with two filaments which have a common connection with the metal cap 7 of the lamp and have separate connections to their respective contacts 9, 10 on the bottom of the cap. The contact 9 bears upon a spring-pressed plunger 11, Fig. 6, which is connected by a metal strip 15 to the spring-pressed contact 4 on the underside of the insulating block 1, there being a similar connection between the cap contact 10 and a spring-pressed contact 5, Fig. 5 (not shown). The lamp socket 14 is connected by a metal plate 19 to the spring-pressed terminal 6 which is of sufficiently large area to maintain contact with one of the battery terminals when the metal cover 2 is rotated on the battery casing. In a modification the metal plate connected to the lamp socket carries two spring-pressed contacts disposed diametricany opposite to the respective contacts connected to the two filaments. The arrangement may be modified for a bulb provided with three or more filaments.
Patent GB-1152483-A (GB)
Title: Superconducting Devices
IPC: H01L39/24
Filed: 1966-05-13
Abstract: 1152483 Coating by spraying UNION CARBIDE CORP 13 May 1966 [17 May 1965] 21273/66 Headings H1A A5 and A4D Super-conducting materials, e.g. Nb, Sn, Zr, Al, V, Si, Nb-Zr-Sn or Nb-Zr or compounds e.g. Nb 3  Sn Nb 3  A1 and V 3  Si are deposited on a substrate by plasma spraying, using the substrate as an electrode, and then heated after deposition. The gas may be argon, helium, nitrogen, and hydrogen. The starting materials may be in elemental or alloyed form. The substrate may be aluminium or brass which may be subsequently dissolved away. If a low-melting substrate is used it may be cooled during spraying.
Patent GB-125343-A (GB)
Title: Improvements in Garden Frames and like Structures.
Inventor: SLADE MARCUS WARRE
IPC: A01G9/20
Filed: 1918-12-19
Abstract: 125,343. Slade, M. W. Dec. 19, 1918. Shelters for plants.-In garden frames &c. of the kind having separable members held together by means of flexible cords or wires, the latter F are arranged in pairs and tensioned by tying another cord P around each pair. The front, side, and back separable members A, C, B respectively are positioned preferably by dowel pins E and held together by the flexible cords attached to the pins G and passed through loops H connected to adjacent members. Distance-pieces K, K<1> are positioned at the bottom of the frames. while battens M, M' having lateral strips N, N<1> serve the same purpose at the top of the frames. Cross pieces in conjunction with the strips N serve to connect two adjoining members. Sheets of india-rubber fabric, asbestos, uralite, &c. D are provided as shown, while the top may be glazed.
Patent GB-889850-A (GB)
Title: Gating apparatus for charged particles
IPC: H01J31/06
Filed: 1960-06-17
Abstract: 889,850. Electron-beam apparatus. BENDIX CORPORATION. June 17, 1960 [June 29, 1959], No. 21392/60. Class 39(1) An electronic switching arrangement includes an electron multiplier, having a secondarilyemissive surface 46 along which an electron stream is propagated in a cycloidal path of increasing electron density by electric and magnetic fields, the output from which is switched to a selected one of a plurality of target electrodes 62 by selective energization of associated control electrodes 54. The target and control electrodes are distributed lengthwise of an elongated guide rail 50, longitudinally aligned with secondarily-emissive surface 46, the electric field being such that the electron stream is lifted gradually clear of the surface 46 to assume a position parallel to, but spaced from, the guide rail 50. As shown, the electron multiplier includes plates 26, 28 having resistive coatings and terminals 30, 32, 36, 40, 42, 44 to which potentials are applied to generate an inclined electric field. Each target electrode 62 is associated with a plate 60, narrowly coupled thereto, to reduce the influence of potential variations of the control electrodes on the potential of the target electrodes. The control electrodes 54, plates 60 and guide rail 50 may be channel-shaped and the control electrodes may have wires 56 attached thereto. Grounded shielding plates 52, 64 are provided on either side of each target electrode and its related plate 60.
Patent GB-612707-A (GB)
Title: Improvements in or relating to the manufacture of moulded blocks and the like
IPC: B28B1/08
Filed: 1947-05-14
Abstract: 612,707. Vibratory moulding machines. HARTMANN, C. W. May 14, 1947. No. 214/45. [Class 87 (ii)] A machine for moulding hollow building blocks, of the type in which both the mould box B and the cores C which form the hollows in the blocks are capable of vibration, is characterized in that the cores are carried by plates C* rockably supported on a bar D, the plates being oscillated about the bar to impart oscillations to the cores. The plates are separated by spacers F and are clamped together by bolts G to form a rigid assembly, and oscillations are imparted to this assembly from the mould box, which is oscillated by means F*, the necessary connection between the box and the assembly taking the form of an adjustable rod K mounted on the box and bearing on one end of the assembly. The other end of the assembly is pressed down by a spring J also mounted on the box. The box is mounted on rubber washers W. An ejector mechanism E comprises fingers carried by a movable arm, the fingers bearing against the movable base L of the mould.
Patent GB-531495-A (GB)
Title: Improvements in or relating to radio-receivers comprising a chassis and a tuning condenser mounted thereon
IPC: H05K7/02
Filed: 1939-07-24
Abstract: 531,495. Wireless . receiving sets. PHILIPS LAMPS, Ltd. July 24, 1939, No. 21476. Convention date, July 27, 1938. [Class 40 (v)] In a wireless receiver provided with a chassis having rigid and non-rigid portions the tuning condenser 4 is resiliently suspended by rubber &c. wires 8A from rigid portions, e.g. the turnedover edges 2 of the chassis 1 or brackets 5, 6 rigidly mounted thereon. Non-rigid portions, e.g. the flat top of the chassis may be made rigid by the addition of supports, e.g. an angle iron 7. Excessive freedom of movement may be prevented by attaching the condenser to the chassis through a hinged strip 10. The support may comprise two resilient members connected in series, e.g. a rubber wire 14 having its end clamped between two rubber cushions 15a, 15b enclosed in an extension 16 connected to the side wall 17 of the receiver.
Patent GB-1107472-A (GB)
Title: Boring apparatus
Inventor: LADENDORF JACK STILLWILL
IPC: B23B51/04
Filed: 1966-05-16
Abstract: Alloys suitable for making a boring head are:- .Fe. .C.0.46-0.6 .Mn.0.6 -0.91 .Si.1.8 -2.2 .Cr.-0.3 .V.-0.3 .Mo.0 or 0.3-0.5 .P.-0.025 .S.-0.025
Patent GB-771730-A (GB)
Title: Improvements in pipe joints
IPC: F16L21/00
Filed: 1955-07-27
Abstract: 771,730. Pipe joints. BUCKLEY, A. G. Oct. 27, 1955 [July 27, 1955], No. 21645/55. Class 99(1) In a pipe joint, particularly for connecting a replacement pipe between the ends of two existing pipes, an obliquely split, resilient ring b disposed between the ends of the pipes a, d lies partially within an internal, circumferential recess e in a tubular connector c. The arrangement is such that after the ring has been located between the ends of the pipes, the ring is radially compressed to allow entry thereof into the bore of the connector as the latter is slid from one pipe end on to the other pipe end, the ring when aligned with the recess springing: into the recess to complete the joint. The ring may be of gunmetal, brass or iron.
Patent GB-651493-A (GB)
Title: Improvements in or relating to pouring devices
IPC: A47J36/14
Filed: 1948-08-17
Abstract: 651,493. Pouring-attachments for saucepans &c. SCOULAR, N. W. Aug. 17, 1948, No. 21651. '[Class 66] [Also in Group XXV] A pouring-attachment to be fitted to a saucepan &c. 11 comprises a spout 21 with a non-drip lip 23, projecting outwardly from a humped wall 10 which is recessed to receive a strap 12, e.g. of rubber, at one end 14 of which is a figure-8 fastener 16 the larger loop 15 of which goes over the saucepan handle 17 and the smaller loop 20 receives a stud of a buckle which slides along the strap 12 for adjusting the length of the strap to fit the mouth of a saucepan &c. In a modification, the strap 12 is secured to a lug at one end of the wall 10 and the figure-8 fastener to a lug at the other end. In a third form, the strap 12 is dispensed with, and the attachment secured by an inverted U-shaped hook at each end passing over the rim of the saucepan.