baber/WOPTO huggingface dataset:
Patent GB-429858-A (GB)
Title: Improvements in plate heat-exchangers for fluids and the manufacture thereof
IPC: F28D9/04
Filed: 1934-06-07
Abstract: 429,858. Plate heat - exchangers. ROSENBLAD, C. F., S÷dertõlje, Sweden. June 7, 1934, No. 16887. [Class 64 (iii)] The spirally-wound plates of a heat-exchanger are separated by spacers 9, 10, Fig. 1, applied to the plates either before or during the winding. The spacers 9 are secured to the plates at one end only, and the spacers 10 are secured thereto at both ends. The plates may also be spaced by indentations 12, Fig. 3, balls 14, or fusible material 11 applied through holes bored in the plates.
Patent GB-474473-A (GB)
Title: Improvements relating to electric welding machines
IPC: B23K11/31
Filed: 1936-06-19
Abstract: 474,473. Electric welding. THORNELOE, A. J. June 19, 1936, Nos. 17046 and 20487. [Class 83 (iv)] A portable head for electric welding machines used on motor-vehicle doors has a pneumatic cylinder or other poweroperated means for operating a pair of separate electrodes and /or pressure-exerting means. The head may form a pair of pincers and the cylinder and piston pivoted thereto may operate respectively the electrodes and the pressure-exerting means, or the cylinder may be fixed to a frame and operate the electrodes or the pressureexerting means. In the construction shown in Fig. 1, the welding head comprises a pair of pincers, one limb 6a of which comprises a pair of separate, vertical, insulated electrodes 7, and the other pressure-exerting arm 6b, insulated with respect to arm 6a, carries a pair of spaced plates 8 articulated on a pin 9. The plates carry a pair of depending, pivoted blocks 10 which have passages in communication with the cooling-circuit of the electrodes 7. The arms 6a, 6b are pivotally connected to the cylinder and piston respectively of a pneumatic motor of known construction. A modification is described wherein the cylinder and the blocks 10 and a control handle are mounted upon a C frame. The piston within the cylinder carries a yoke within which are mounted insulated electrode carriers. This construction permits a long travel of the electrodes. In a J construction shown in Fig. 4, the cylinder 12 carries a handle grip and the controls, and is clamped on a pair of tubes 15 carrying the electrode carriers 7a. Interconnected, pivoted, copper blocks 10 are carried on the piston rod 11. In operation, the electrodes may engage the hidden part of the work.
Patent GB-1323847-A (GB)
Title: Flip-flop circuit
IPC: H01L27/082
Filed: 1972-04-13
Abstract: 1323847 Integrated circuits ITT INDUSTRIES Inc 13 April 1972 [15 April 1971] 17056/72 Heading H1K [Also in Division H3] An integrated bi-stable has main switching transistors T11, T12, control transistors T21, T22 and additional transistors T31, T32 all interconnected as shown, and has input capacitors C1, C2, there being also transistors T41, T42 of opposite type to the rest connected between base and collector of T21, T22 (also Fig. 2, not shown). T11, T31, T21 are formed side by side as planar structures in an n-region 2 forming the common collectors; and T42, being of complementary type, is formed between T11, T31 whose base regions B11, B31 form the emitter and collector respectively of T42, and whose common collector forms the base of T42. A buried layer 4 is included, and also isolating diffusions 3.
Patent GB-274065-A (GB)
Title: Improved luminous signboard
IPC: G09F13/00
Filed: 1927-06-27
Abstract: 274,065. Jodor, E, H. July 9, 1926, [Convention date]. Signs.-A sign comprises two truncated conical casings 1 each having a display face 6 illuminated by an internal source of light 2. The casings 1 are separated by a V-shaped rim 5 on to which light from the lamp 2 is optically projected by a projector 4 mounted on a cylindrical mask 3 surrounding the lamp 2. The mask 3 may have several openings and may be rotated by a pulley 7. The openings in the mask may be fitted with condensers.
Patent GB-1468752-A (GB)
Title: Construction of trouser waistband
IPC: A41F9/02
Filed: 1974-04-18
Abstract: 1468752 Adjustable garment waistband T CULLEN 18 April 1974 [1 May 1973] 17141/74 Heading A3V In an adjustable waistband for trousers, skirts, &c., the front part 13 overlaps the rear part 14 by an adjustable amount, and a clasp secures the two together. A nylon rail 17 is secured to the rear part and the clasp slides on it, a strip of material 25  hiding the rail and passing through the clasp 22. Prongs 23 are pushed through the front part of the waistband and the clasp closed, the part 24a gripping the strip of material 25 as the clasp is closed. The pocket lining is cut away 12 to facilitate the overlapping of the waistband parts.
Patent GB-1091074-A (GB)
Title: Improvements in gripper type axminster carpet looms
Inventor: TIPLER FRANCIS RICHARD
IPC: D03D39/08
Filed: 1964-04-24
Abstract: 1,091,074. Gripper axminster looms. CARPET TRADES Ltd. April 15, 1965 [April 24, 1964], No. 17179/64. Heading D1E. The fixed jaws 14 of a gripper Axminster loom are mounted on a shaft 10 and the movable jaws 16 are pivoted at 17 on the fixed jaws and are actuated by a shaft 21 of generally C-shaped cross-section mounted within the shaft 10 so that rotation of the shaft 21 relative to the shaft 10 acts on the tail ends 20 of the movable jaws 16 to open or close them against the action of springs. It is stated that the C-shaped actuating shaft 21 may encircle the main gripper shaft 10 instead of being mounted within it.
Patent GB-1280576-A (GB)
Title: Pendulum hydro-extractors
IPC: B04B11/05
Filed: 1970-04-10
Abstract: 1280576 Centrifugal strainer BRAUNSCHWEIGISCHE MASCHINENBAUANSTALT 10 April 1970 [16 April 1969] 17191/70 Heading BID The drum 1 of a centrifugal strainer is suspended on its shaft 3 and normally free to swing, but before solids discharge a sleeve 11 rotating with the shaft is moved into its lower position in which the outer race of rotary bearing 7, 7a engages in a ring 6, rigidly attached to the housing 4 to restrain the drum against radial movement. This enables discharge to take place without reducing the drum speed and without danger of scrapers damaging the drum lining. As shown, sleeve 11 is attached by tube 9 to discharge valve 10 which is lowered to its open position with sleeve 11. The sleeve and valve 'are normally held by spring 16 in their raised position against stop 17 and are lowered by pneumatic or hydraulic ram 14 through fork lever 13. Lever 13 is adjustable in the raised position by springs 18, so that lugs (12) extend into groove 11a in sleeve 11 but do not actually touch it, to reduce wear. Alternatively a second bearing may be incorporated here.
Patent GB-944909-A (GB)
Title: Improvements relating to heavy metal-containing formazane dyestuffs and their use
IPC: C09B50/00
Filed: 1961-05-11
Abstract: The invention comprises dyes of formula <FORM:0944909/C3/1> wherein A and B are aromatic radicals of the benzene or naphthalene series which contain the -COO- group in A in ortho position to the azo group and the -O- group in B in ortho position to the hydrazo group, Me is copper or nickel, R is an aromatic radical of the benzene or naphthalene series, Y is an aliphatic, cycloaliphatic or aromatic hydrocarbon radical containing at least 4 carbon atoms which is bound to a nuclear carbon atom of the formazane dye by an -SO2-, -SO2NR1- (R1 being hydrogen or an aliphatic, cycloaliphatic or aromatic hydrocarbon radical), -SO2O-, -SO2NH- -CH2- or -CO- bridge and n is 1 or 2. The dyes are prepared by treating with a copper or nickel-yielding agent a formazane dye of formula <FORM:0944909/C3/2> or by first treating a metallizable monoazo dye of formula <FORM:0944909/C3/3> wherein D is the group A-COOH or B-OH with a copper- or nickel-yielding agent and then coupling with a diazonium compound from an amine of formula <FORM:0944909/C3/4> the components being such that the metallized formazane dye contains 1 or 2 Y groups.  The intermediate formazane dyes are prepared by known methods.  The dyes free from water-solubilizing groups are used as pigment dyes to colour lacquers, varnishes or acetyl cellulose or polyamides in the mass.  The dyes containing water-solubilizing groups are used to dye and print leather, paper, silk, polyamide or polyurethane fibres and particularly wool, in blue shades.  In examples: (1) the diazo compound of 2-amino-phenol-4-sulphonic acid N-(21-chlorophenylamide) is coupled with the hydrazone from phenylhydrazine-2-carboxylic acid-4-sulphonic acid and benzaldehyde and the formazane metallized with copper tetramine sulphate; (2) 2-aminophenol-4-sulphonic acid N - ethyl - N - phenylamide - 41 - sulphonic acid is diazotized and coupled in aqueous dioxan with phenylformyl acetic acid ethyl ester, the reaction mixture is made alkaline with sodium hydroxide and refluxed; the saponification product is treated with acetic acid and copper sulphate and finally reacted with diazotized 3,5-dichloro-2-aminobenzoic acid.  Many further examples and alternative reactants are specified.
Patent GB-605939-A (GB)
Title: Improvements in or relating to shoe adjusting means for brakes
IPC: F16D65/48
Filed: 1944-09-11
Abstract: 605,939. Brakes. BENDIX AVIATION CORPORATION. Sept. 11, 1944, No. 17330. Convention date, Sept. 18, 1943. [Class 103 (i)] Brake shoes are adjusted by a rotary cam having flats on the operative surface, so that the cam is self-stabilized in any position of adjustment. In Figs. 1, 2 the flatted cam 40 comprises spaced plates 48 which straddle the web 34 of the shoe 16 and are joined by a shaft 50 either integral with or secured to the plates. The shaft 50 is accommodated in a semi. circular notch 52 in the end of the web 34 and has a bore 54 of polygonal section to receive an adjusting tool which is inserted through the opening 56 of the backing plate 22. In order that the shoes may be interchangeable, the end of the shoe 18 is recessed at 70 and an abutment piece 60 is located thereby and bears against the cam 40. The cam may be 'applied to various types of internally-expanding drum brakes, the cam being mounted on a shoe to contact with another cam mounted on the other shoe, or mounted on a shoe to contact with the moving parts of hydraulic actuators. Or, as in Fig. 7, the shoes 104, 106 are applied to the drum by an hydraulic actuator 110, 112 and a yoke 114, and flatted adjustment cams 118; 120 are accommodated between the backing plate 22 and a retaining plate 130 having lugs 132 which are brazed or otherwise secured in holes in the backing plate. The cams are prevented from vibrating or turning when the shoes are not in contact with them, by a tension spring 134 which maintains the shafts 126, 128 against the inner edges of the bearing holes in the backing plate and retaining plate. The camcarrying shafts in this, and other modifications, are of polygonal section and the holes or recesses in which shafts are received are correspondingly flatted, this arrangement increasing the stability of the cam in its set positions, and permitting the surfaces of the cam to be made slightly convex.
Patent GB-1208362-A (GB)
Title: Method for call charge metering in central-controlled telecommunication, particularly telephone exchange systems
IPC: H04M15/04
Filed: 1968-04-10
Abstract: 1,208,362. Automatic exchange systems. INTERNATIONAL STANDARD ELECTRIC CORP. 10 April, 1968 [18 April, 1967], No. 17380/68. Heading H4K. In an exchange controlled by a central data processor, the call charge for each call is accrued in a store and at the end of the call is processed in a manner dependent on the class service of, or signals from, the calling subscriber. The charge is added to charges to that subscriber accumulated during previous calls and a record such as a printed ticket or perforated or magnetically recorded tape may be produced. In addition, the charge for the call may be conveyed to the calling subscriber visually or verbally announed to him by an announcing machine. The type of processing is read from the subscriber's class of service translator, a portion of which may be modified by the subscriber. Calls in different price ranges or of different types, e.g. local/distant, may be dealt with in different ways. Metering by zones, duration of call and summation of metering pulses are mentioned.
Patent GB-1381957-A (GB)
Title: Treatment of suspensions of solids in water
IPC: C02F1/52
Filed: 1972-04-14
Abstract: 1381957 Treating water N O CLARK 12 June 1973 [14 April 1972] 17397/72 Heading C1C Water containing fine particulate material suspended therein (e.g. mineral waste) is treated by (a) adding cambial sap to flocculate the material (b) allowing the flocculated material to settle and (c) separating the supernatant water. The cambial sap may be obtained by scraping sap-containing cambium from barked wood and from the inner surface of the bark and leaching the scrapings with water. Preferably the trees are of the genus pinus or the genus abies.
Patent GB-493757-A (GB)
Title: Improvements in superheterodyne receivers for short-wave reception
IPC: H03D7/10
Filed: 1938-06-11
Abstract: 493,757. Superheterodyne circuits for wireless reception. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. June 11, 1938, No. 17413. Convention date, June 14, 1937. [Class 40 (v)] In a superheterodyne receiver for shortwave reception comprising a mixing valve having an input control grid 13, an oscillator control grid 30 between the input control grid and the cathode, and a positively-biassed grid 33 between the two control grids, the occurrence of oscillations of local-oscillator frequency at the input control grid is prevented or minimized by a series or parallel connection of resistance and capacity between the two control grids. In the arrangement shown, which provides wave-band switching for alternate reception on long and short waves and has a separate local oscillator 16, a resistance 38 and condenser 37 are connected in parallel between grids 13, 30. Since for long waves the condenser 37 alone is sufficient and the resistance 38 would act as a substantial shortcircuit to the condenser, the resistance is cut out during long-wave reception by a switch 39 coupled to the wave-band switches. Another arrangement, Fig. 2 (not shown), comprises an octode embodying the local oscillator and a series connection of a resistance and condenser across the two control grids.
Patent GB-233566-A (GB)
Title: Improvements in apparatus for accumulating the heat of exhaust steam and for heating water
IPC: F22D1/28
Filed: 1924-07-21
Abstract: 233,566. Galloways, Ltd., and Filling, H. July 21, 1924. Heating water.-Exhaust steam enters the body of water in a horizontal accumulator through one or more pipes fitted within the shell, and provided with nozzles which dip into the water and which are so directed as to set up a, circulatory movement of the water following the contour of the walls of the accumulator. The steam supply pipe D, Fig. 2, in the steam space of an accumulator A have two branch pipes E fitted with nozzle-pipes G so inclined as to direct the water along the walls of the accumulator shell on each side of central vertical partition H. The steam supply pipe may have only one branch, the central partition being then dispensed with. Inclined nozzle-pipes may project from the opposite sides of a single pipe arranged vertically above the central partition. The nozzles G, Fig. 3, are directed downwards to deliver steam to the water space between two longitudinal curved partitions I. Small holes may be drilled in the sides of the nozzle pipes to provide steam jets for removing the scum from the surface of the water.
Patent GB-498037-A (GB)
Title: Improvements in or relating to high frequency signalling systems
IPC: H04N5/44
Filed: 1937-06-24
Abstract: 498,037. Valve circuits for wireless reception. FERRANTI, Ltd., and TAYLOR, M. K. June 24,1937, No. 17542. [Class 40 (v)] A high-frequency amplifier in which one side-band is partially suppressed, particularly for a television receiver, is designed to have an unsymmetrical substantially-triangular characteristic as shown, for example in Fig. 3, the highest modulation frequency to be reproduced corresponding to the apex a of the triangle and .the carrier corresponding to a point b on the more-gradually sloping side at which the amplification is between one-fifth and onethird of that at a. This arrangement compensates for the absence of part of one sideband and also for loss of response at high frequencies at other points in the system. In the intermediate-frequency amplifier shown in Fig. 1, the desired characteristic is obtained by the inductively-coupled circuits 8, 13, 14 ; 10, 15, 16 winch are each tuned to the highest modulation frequency and are given different decrements. In a modification, Fig. 2 (not shown), the circuit 8 ... 16 has a substantiallyuniform band-pass characteristic, but this is modified by the inclusion in the cathode lead of a circuit tuned to the highest modulation frequency. In a multi-stage amplifier, the required characteristic may be produced for the amplifier as a. whole or for each stage separately.
Patent GB-479586-A (GB)
Title: Improvements in and relating to continuous motion wrapping machine
IPC: B65B11/26
Filed: 1937-06-25
Abstract: 479,586. Wrapping-machines. PACKAGE MACHINERY CO. June 25, 1937, No. 17699. Convention date, July 28, 1936. [Class 94 (i)] In a machine in which a wrapper is applied to an article as it is pushed through a folding box to form a blockended covering open at the rear end, the partially wrapped article is disengaged from the pusher by a member which strikes the upper rear edge and projects it to a position where it is picked up by a transversely moving conveyer. The articles are fed into the machine by a belt conveyer 105, which carries them in a continuous stream between guides 106 against a stop 107. Pushers 42, carried on bars 40 on chain conveyers 26 feed the articles against a wrapper vertically disposed across their path, and form a block-ended covering with the open mouth directed backwards. The folding takes place in a folding box of usual construction beneath a top plate 51. The pushers 42 are carried by plates 41, Figs. 6 and 7, welded to the bars 40, and comprise a horizontal plate 42 having a lug 46 lying within the slot 45 in the machine table 21; to ensure that adequate contact is made with the lower edge of the article. The lug is of insufficient size to cause appreciable distortion of the wrapper on the underside of the pocket. The lower side flaps, before being folded up, receive a stripe of paste from wheels 55 kept supplied from a fountain feed reservoir 145 through a flexible tube 149 leading to an open-topped funnel - shaped feeder 150. After folding of the side flaps, each package passes between spring-pressed heating plates 56 to plates 58 between which it is lightly held, and at this stage a quadrantal lug 60, Figs. 2 and 3, carried by a chain 61 passing over sprockets 62, 63 strikes the upper rear edge of the package and gives it an impulse which moves it ahead of the pusher 42 against an abutment 65. The pressure exerted on the wrapper by the lug is insufficient to make a permanent crease. The packages are picked up and carried in succession in a transverse direction by pushers 70 on a chain conveyer 71, and the end folding is effected by means of a rotary wheel 81, Fig. 8, and stationary blades, a stripe of paste being applied to the lower flap before it is folded up by a wheel 82 dipping into a trough 83. The completed packages, after passing between heating and cooling plates 86, 87, are ejected on to a slanting ledge 88 from which they are kicked downwardly in succession by an oscillating paddle 89 so that they come to rest in overlapping relationship against lugs 91 on a delivery conveyer 90. The operating arm of the paddle 89 is connected through a spring 100, Fig. 1, to a crank rod 97 to provide a yielding coupling in the event of jamming. The conveyers and other moving parts are driven from a shaft 23 which is connected through belt gearing to a motorshaft 31, Fig. 4, and a pulley 33 is movable to start or stop the machine by tightening or slackening the belt 32 by means of a handle 39.
Patent GB-636410-A (GB)
Title: Improvements in electrical measuring apparatus
IPC: G01K7/20
Filed: 1947-07-04
Abstract: 636,410. Counting-apparatus ; transfermechanism. ELLIOTT BROS. (LONDON), Ltd., and PIZZEY, C. F. July 4, 1947, No. 17716. Drawings to Specification. [Class 106 (i)] [Also in Groups XXXVI and XXXVIII] Relates to systems in which the quantity to be measured varies the electrical characteristics of an element connected in a bridge of which one arm is adjustable to obtain balance, and consists in connecting the adjustable element to a reversible mechanical counter which displays positive and negative readings. The invention is described with reference to temperature-variable resistances situated in refrigeration chambers on a ship ; each resistance can be connected as desired in the bridge and balance secured by adjusting a slider on a resistance wire, the slider being geared to a mechanical counter so that variations of temperature above and below a datum are displayed as positive and negative numbers. Counting mechanism.-This is substantially the same as that described in Specification 385,604.
Patent GB-403657-A (GB)
Title: Process for the production of aluminium sulphate from clay
IPC: C01F7/743
Filed: 1932-06-23
Abstract: <PICT:0403657/III/1> Aluminium sulphate is obtained by reacting sludge acid, resulting from the refining of oils with sulphuric acid, and calcined clay bodies which do not undergo substantial decrepitation under the conditions of the reaction.  The sludge acid should be diluted prior to use to 30--35 per cent concentration, hydrocarbons separating being removed.  The clay bodies may be moulded and of various shapes and sizes, but are preferably obtained by extrusion through dies say of \ba3/32\be in. diameter as described in Specification 404,991.  Some clays, e.g. flint clays, may be broken into pieces.  The bodies should be dried before calcination, which is effected at about 650--850 DEG  C. When basic aluminium sulphate is to be produced, the clay should contain a minimum of potash.  A suitable extracting apparatus shown diagrammatically in Fig. 3 comprises tanks 1 . . . 6, disposed circularly and provided with connecting pipes 7.  The latter are provided with valves so that any tank may be the first of the series.  Tank 1 say is filled with the clay bodies, which are treated with liquid which has passed through tanks 2--6.  The alumina content of the bodies decreases progressively through the tanks 1, 6--2; the residue in the last tanks 2, 3 is washed with water from tank 15, acid being added from tank 13 to tanks 4, 5, 6.  Exhausted clay is removed from tank 2, which is then charged with fresh clay bodies, and, by suitable manipulation of the valves, &c., then becomes the first of the series and so on.  The tanks may be provided with heating coils.  In another method of extraction, the extracting liquid may be pumped from one to the next of a series of tanks through a vessel containing the clay bodies, fresh sludge acid being added to each tank containing the liquid just passed through the clay bodies.  When fully extracted, these are washed with water.  The aluminium sulphate solution may be evaporated, and the product heated to a temperature not above 600 DEG C. in an oxidizing atmosphere.  The residue from the extraction, after heating to about 700 DEG  C. in an oxidizing atmosphere, and consisting of chemically active silica, may be powdered and used for filling paper, or be used say for filtering and clarifying oils. Adsorbed impurities are removed by heating say to 700 DEG  F. or more, a temperature of 1400 DEG  F. being in some cases without deleterions effects.