baber/WOPTO huggingface dataset:
Patent GB-1008473-A (GB)
Title: Improvements in or relating to temperature measurement
Inventor: POTTER NORMAN LEONARD
IPC: G01K7/24
Filed: 1963-05-30
Abstract: 1,008,473. Measuring temperature electrically. May 29, 1964 [May 30,1963], No. 21747/63, Heading G1N. The junction temperature of a semi-conductor device 10 is measured by adding two signals V 1  and V 2 , one of which, V 1 , represents the temperature of an external part of the device 10 as measured by a thermistor 12 mounted on the same heat sink 11 as the device, and the other of which, V 2 , is derived in a circuit, 9, from the output of a current transformer 16 whose primary 17 carries the current which flows through the junction. The signal V 2  is said to be proportional to the temperature difference between the outer parts of the device and its junction. The circuit 9, which represents an electrical analogue of the thermal circuit of the device, contains capacitors 21 to effectively short circuit any transients in the junction current, which would not affect the junction temperature because of the thermal inertia of the device and therefore are required not to produce any effect upon the signal V2. The voltage V3 may be compared with a reference voltage and used to operate a protection relay if it exceeds a predetermined value.
Patent GB-791012-A (GB)
Title: Improvements in and relating to portable hand electric lamps
Inventor: ATHERTON ERIC JAMES
IPC: F21L14/02
Filed: 1955-07-28
Abstract: 791,012. Lamp-holders. DORMAN & SMITH, Ltd. July 4, 1956 [July 28, 1955], No. 21768/55. Class 38 (1). In a portable inspection lamp both the screws 32, which serve to mount a lamp-holder 29 in the casing 10 of the lamp, and screws 28, by means of which a plate 19 is secured to the outside of the casing 10, engage opposite ends of internally screw-threaded square mounting fittings 27 located in square recesses in the casing. Plate 19 forms an attachment for a hanger or may form part of one jaw of a crocodile clip (Fig. 1, not shown) and carries a bridge plate for clamping a cable either against the casing or in a recess in the plate. The fitting may be other than square-shaped.
Patent GB-502019-A (GB)
Title: Improvements in the construction of concrete road and like surfaces
IPC: E01C11/14
Filed: 1937-08-07
Abstract: 502,019. Concrete roads. PARRY, C. and MILLWARD, W. A. Aug. 7, 1937, No. 21789. [Class 20 (iv)] A concrete road is cast in sections which are separated by an expansion layer 18 and are bridged by dowel bars 17 embedded in the sections, the expansion layer and dowel bars being supported by. cradles which are each formed of metal wire or rod and comprise spaced bearers 12, 13 for supporting the ends of a dowel bar, and spaced retaining members 15, 16 disposed intermediate the said bearers to support the expansion layer between them. The cradle comprises two longitudinal members 10, 11 joined at their ends by the bearers 12, 13 which are of inverted V-shape and have a curved bearing 14 to receive the dowel bar. The retaining members 15, 16 for the expansion layer 18 are of inverted V-shape and are joined to the members 10, 11 midway between the members 12, 13. The members 10, 11 may be provided with a lateral bend 19 in order to permit slight relative movement of the adjacent sections of the road without breaking these members. In use, a plurality of cradles is supported on the road foundation so as to receive the dowel bars 17 and expansion layer 18, and concrete is then cast on each side of the layer 18. The layer 18, which may be of bituminous felt, is provided with holes to receive the bars 17.
Patent GB-614722-A (GB)
Title: Improvements in and relating to variable inductances
IPC: H01F21/06
Filed: 1946-07-22
Abstract: 614,722. Inductances. KOLSTER BRANDES, Ltd., ATKINSON, A. B., MURRAY, G. C. V., and TRIER, R. H. July 22, 1946, No. 21831. [Class 38 (ii)] The law of variation of the inductance of a high-frequency coil 1 against the movement of a magnetic core 6 is modified by associating one or more pieces of conducting or magnetic material with the coil. The coil mav be wound on a tubular former 2 which is supported between end plates 3 which also support a number of thin rods 4. Plates of conducting material may be secured to these rods, preferably by solder. Fig. 2 shows plates 8 of any suitable material carrying rings 9 of conducting or of magnetic material. A plurality of such variable inductances may be ganged to a unitary control.
Patent GB-1377850-A (GB)
Title: Method of processing peas
IPC: A23B7/157
Filed: 1973-08-07
Abstract: 1377850 Processing peas s DALGETY FRANKLIN Ltd 7 Aug 1973 [10 May 1972] 21843/72 Heading A2D A method of processing peas comprises soaking in water dried or marrow fat peas, blanching the soaked peas, cooling the blanched peas and freezing the cooled, blanched peas. The peas are preferably soaked in an aqueous solution of sodium bicarbonate. The soaking is preferably for not less than 22 hours and at 65-70‹F. Blanching is carried out preferably for 10 minutes, the peas then being cooled with water. The peas may then be quickfrozen.
Patent GB-792202-A (GB)
Title: Disconnectable pipe-union equipped with a control valve
Inventor: JESSOP GERALD ARTHUR
IPC: F16L37/107
Filed: 1955-07-29
Abstract: 792,202. Pipe couplings. WILSON GAS METERS Ltd., G. May 11, 1956 [July 29, 1955], No. 21936/55. Class 99(1). In a pipe coupling wherein one of the coupling elements 15 includes a control valve 17 which must be operated to a closed condition before the elements are disconnected, that element is provided with a member 24 which, as the elements are disconnected, isfr eed to be biased for a surface of the member to engage a coacting surface of the valve to hold the latter in the closed position thereof, the bias being one which also causes interengageable surfaces of the member and the other element to hold the elements in the coupled position. As shown, the element 11 is provided with a conical or partspherical recess 12 for reception of the nose 16 of the element 15 which has a rotatable plugvalve 17 including a disc 20 and parallel lugs 21 between which is pivoted a valve-operating lever 23. The sleeve 24 has an intermediate portion 26 of square cross-section and an end flange 25 provided with parallel flat surfaces that co-operate with similar surfaces on the element 15 whereby relative sliding, but not rotation, between those two parts is permitted ; the sleeve is biased to the left as seen in the Figures by a spring 29 and has diametricallyopposite cam slots 27 engageable by radial pins 28 of the element 11. An opening 31, having a tooth 32 and a recess 33, formed in the sleeve accommodates the disc 20 which has a tooth 34 and a recess 35 ; when the elements are in the uncoupled condition and the valve is in the closed position, the tooth 34 is engaged in the recess 33 as shown in Fig. 4, thereby preventing rotation of the valve. The elements are coupled by engaging the nose 16 in the recess 12 and the pins 28 in the slots 27, rotation of the flange 14 on the element 11 causing the pins to act on the cam surfaces 27a of the slots whereby the sleeve is drawn to the right as seen in Fig. 4 ; the tooth 34 is freed from the recess 33 to enable the valve to be turned to the " on " position. Steps 36, 37 on the disc 20 coact with opposite sides of the tooth 32 to limit movement of the lever 23 between the " on " and " off " positions of the valve. The lever 23 has a right-angled notch which engages over the edge of the portion 26 of the sleeve in the closed position of the valve.
Patent GB-1423848-A (GB)
Title: Universal joints
IPC: F16D3/40
Filed: 1973-05-09
Abstract: 1423848 Making universal joints NADELLA and A PITNER 9 May 1973 [18 May 1972] 22011/73 Heading B3A [Also in Division F2] A Hookes joint fork 1 is formed from a substantially rhombic sheet metal blank 2, by bending up at right angles the two triangular corner portions 4 at the ends of the long diagonal to form the fork arms 3, each arm having a hole 13 for a trunnion bearing. Between the arms the remaining portion 6 may have two or four fixing bolt holes 7 and/or a a central boss, spigot or hole to locate the fork on a shaft. Extending from the central hole in which the shaft is axially slidable, a shaft engaging sleeve may comprise part of the blank or a separate part, Figs. 8 to 10 (not shown), Bolts through the holes 7 may attach the fork to a resilient disc connected at circumferentially spaced points to the respective shaft. This joint may be at one end of a propellor shaft, Fig. 11 (not shown).
Patent GB-1254666-A (GB)
Title: Electrically-shielded readout device
Inventor: DUBOIS RICHARD JR
IPC: H01J31/15
Filed: 1970-05-07
Abstract: 1,254,666. Cathode-ray display tubes. WAGNER ELECTRIC CORP. 7 May, 1970 [23 May, 1969], No. 22034/70. Heading H1D. A display device which includes anode display elements 16A-16G and a thermo-emissive cathode 14A, 14B inside an envelope 12 comprises an electrically shielding layer 26 disposed around a portion of the envelope. The layer 26 is connected through spring contacts 28 and a switch 36 either to earth when the layer functions as a shield or to a negative potential when the layer blanks out the display by preventing electrons from reaching the anodes.
Patent GB-315800-A (GB)
Title: Improvements relating to coated cathodes for electron discharge devices
IPC: H01J1/14
Filed: 1929-07-18
Abstract: 315,800. Westinghouse Lamp Co., (Assignees of Widell, E. G.). July 18, 1928, [Convention date]. Vacuum tubes.-In the manufacture of oxide coated cathodes in which a layer of alkaline earth carbonate is protected by a cellulose binder or coating, hardening of the binder or coating, after drying, is prevented by mixing with the cellulose ester employed a small amount of a non-volatile neutral substance or plasticizer, such as a high boiling ester of an organic acid. Examples of such esters are dibutyl tartrate, di,ethyl phthalate and ethyl abietate. A coating mixture may consist of a 4 per cent. solution of nitro-cellulose in amyl acetate with 0.5 per cent of one of the above plasticisers. After coating the cathode with the alkaline earth carbonate, the coating material is applied by drawing the cathode through the material, by dipping or by spraying. After counting in the envelope, a current is. passed to vaporize the coating material and convert the carbonate to oxide.
Patent GB-796146-A (GB)
Title: Improvements in or relating to signs or advertising devices
IPC: G09F13/24
Filed: 1953-08-11
Abstract: 796,146. Signs. IONOFF, L. Aug. 10, 1&54 [Aug. 11, 1953], No. 22090/53. Class 3(2) A sign, Fig. 1, comprises a number of letters, figures, &c. such as 10 mounted on a common panel and illuminated from the rear or mounted on individual panels carried by a frame 12. Each letter 10 is formed from two separate pieces of transparent acrylic resin sheet or from translucent material. The front sheet 13 is curved and provided with a flanged portion 13a which is cemented to the rear portion 14. The portion 14 is of somewhat thicker sheet material. than the portion 13 and is initially roughly cut to the shape of the letter; the excess material being trimmed when the portion 13 is positioned. The rear side of the portion 14 is embossed with a "pin point" design and is provided with an aperture 15 to permit the letter to be filled with liquid paraffin or a mixture of distilled water and glycerine. The part 13 may be made of coloured transparent acrylic resin or the liquid may be coloured with a dye. The aperture 15 is closed with a plug which is made of the same material as that of the letters and finished flush therewith. When the panel 11 is made of opaque material it is prowided with an aperture 17 (see Fig. 2, not shown), for the passage of light. In a modification, Fig. 7, the letters 10 are secured to a base board 18 by portions 19 of angle-section acrylic resin.
Patent GB-275805-A (GB)
Title: Improvements in doffing mechanism for spinning, twisting and like frames
IPC: D01H9/04
Filed: 1926-09-09
Abstract: 275,805. Boyd, T. A., Boyd, H. A., Boyd, J., and Boyd, Ltd., J. & T. Sept. 9, 1926. Addition to 235,467. Doffing - arrangements; spindle apparatus.-In the spinning, twisting, and like frames described in the parent Specification, wherein a rod or other member passes through a hollow axis carrying rotary carriers for the bobbins and operates yarn-cutting mechanism, the rod 14 carries bolts 15, which normally lock the rotary carriers 10 in their operative spinning position, and resilient drag fingers 18. By moving the rod endwise the drag is adjusted, and it is so moved preparatory to doffing that the bolts are withdrawn and the carriers freed, and the drag removed from the bobbins.
Patent GB-189500-A (GB)
Title: Improvements in commutators, or rotary ignition current distributors, for internal combustion engines
IPC: F02P7/00
Filed: 1921-08-23
Abstract: 189,500. Judge, J. Aug. 23, 1921. Rotary distributors; contacts.-Relates to rotary distributors having a casing a of insulating material in which are disposed a number of relatively fixed contacts g consisting of spring- pressed carbon brushes j disposed in recesses i in the casing and connected to metal fittings h which pass through to the periphery of the casing a where their ends are bored to receive terminal screws. Within a recess in the casing a is accommodated the rotor disc the hub c of which is secured on the end of the distributor shaft d. The rotor consists of a disc b of insulating material in one face of which are embedded segmental contact plates f, f<1>, f<2>, f<3>, one plate f<1> being earthed by a metal peg e. The rotor segments are engaged by the fixed contacts g during its rotation, these segments forming a substantially continuous metal track, and the segment f<1> earths the contacts g successively. The insulated contact segments f, f<2>, f<3> are so arranged as to prevent earthing of the other contacts while the segment f<1> is in contact with or passing from one contact g to the next. The casing a is provided with a metal ring k at its inner face and a metal tip l at the apex of the conical casing to prevent excessive wear at these parts, and has also a lateral perforated lug m for attachment of the timing lever.
Patent GB-962028-A (GB)
Title: Improvements in cellulose products
IPC: D06M14/04
Filed: 1962-06-08
Abstract: Fibrous cellulosic materials having reactive sites to which polymers become attached are graft polymerized with a vinylidene compound in an acid aqueous solution of a salt or complex of trivalent manganese with a polyphosphate which is an initiator for the reaction, e.g. a pyrophosphate, tripolyphosphate or metaphosphate. Cellulosic materials specified are cellulose, cellulose acetate and nitrate, and methyl, ethyl and hydroxyethyl cellulose. If the cellulosic material does not already have reactive sites, these may be provided by oxidation with sodium hypochlorite.  Vinylidene compounds specified are acrylic and methacrylic acids and their esters amides, nitriles and anhydrides, vinyl and allyl esters, 1-vinyl-2-pyrrolidone, vinyl pyridines, vinyl ethers, and mixtures thereof with maleic and fumaric acids and esters. Cellulosic ion-exchangers are produced when the grafting monomers consist of a mixture of acrylic or methacrylic acid and methyl acrylate or methacrylate, or acrylonitrile.  The examples describe the grafting of: (1) methyl methacrylate on to slurried wood-pulp; (2) acrylonitrile on to aqueous slurries of regenerated cellulose fibres and hydroxyethyl cellulose; (3) methyl methacrylate on to an aqueous slurry of cellulose acetate flake; (6) acrylonitrile on to an aqueous slurry of oxidised wood pulp; (7) a mixture of acrylamide and methylacrylate on to an aqueous slurry of wood pulp; and (8) a mixture of methacrylic acid and methyl methacrylate on to an aqueous slurry of wood pulp.  The products exhibit improved properties, e.g. strength, electrical resistance, water resistance, and better colour.
Patent GB-1381440-A (GB)
Title: Paraffin wax coating apparatus for yarn on textile machines
IPC: B65H71/00
Filed: 1973-05-10
Abstract: 1381440 Waxing yarns HAMEL GmbH ZWIRNMASCHINEN 10 May 1973 [30 May 1972] 22409/73 Heading D1F In a paraffin wax coating apparatus for a textile e.g. two-for-one twisting, machine comprising a hollow cylindrical wax block 38 rotatably mounted on a pin (32), the yarn 24 being guided so as to run over the pin tangentially and over a front face 40 of the block, the latter is pressed onto the pin by means of a pretension device e.g. a coiled compression spring 60 and plate 62, against a stop e.g. as formed by shoulders 42 of the pin, rotating therewith but stationary in an axial direction (the yarn contacting the face 40 at an angle to a plane defined thereby and being pressed thereagainst). Yarn from a twister, Fig. 1 (not shown) runs over a driving roller 26, the cylindrical surface 30 of the pin and guide roller 34 and is guided therebetween so as to contact the face 40 at a variable angle and/or continuously or intermittently by a selected groove 72a, 72b or 72c in guide roller 28 mounted on a reciprocatable pin 68.
Patent GB-1342703-A (GB)
Title: Removal of hf from an hf-containing gas
IPC: C01F11/22
Filed: 1972-05-12
Abstract: 1342703 Separation of HF from gases: calcium fluoride E I DU PONT DE NEMOURS & CO 12 May 1972 [12 May 1971] 22427/72 Heading C1A A gas containing HF is contacted with water to form an aqueous solution of HF, to which is added Ca(OH) 2  and/or CaCO 3  to neutralize the HF and to precipitate CaF 2 , CaSO 4  being present during at least the final part of the formation of said precipitate in order to improve the settling thereof. The neutralizing agent may be added in the form of an aqueous slurry. The neutralizing agent and the CaSO 4  may be added together to the aqueous solution, or the neutralizing agent may be added in steps, CaSO 4  being added during the last step of the nuetralization. In the latter case sufficient neutralizing agent may be added during the first stage to bring the pH of the solution to from 3 to 6. The total amount of CaSO 4  added is 5 to 15% by weight of the neutralizing agent. Preferably the aqueous Solution of HF contains 0À1 to 5% by weight of HF, based on the weight of the solution.
Patent GB-1033522-A (GB)
Title: A control device for zoom lens systems
IPC: H04N5/225
Filed: 1963-06-05
Abstract: 1,033,522. Zoom lenses. F. G. BACK. June 5, 1963 [Nov 30, 1962], No. 22429/63. Heading G2J. In a control device for mechanically compensated zoom lens systems, the system is focussed by rotating a control rod 21, which rotates the barrel 17, and the focal length of the system is varied by pulling or pushing the control rod 21, which rotates the barrel 19. Rotation of the rod 21 is transmitted through the collar 23, bushing 24, sprocket gear 26, gear chain 39, sprocket wheel 43, shaft 42 focussing spur gear 41 and gear 40 to rotate the barrel 17 for focussing purposes. Translation of the rod 21 in the bushing 24 is transmitted through the helically grooved portion 27 gear train 29, 32, 34, 36, 38 to rotate the barrel 19 for zooming purposes. As shown in Fig. 3, three control rods 21, 21a, 21b, are fixed at different distances from the optical centre 33 and each arc of the rods controls the focussing and zooming barrels 17, 19 so that the device may be used on a variety of cameras. In a modification (Fig. 6, not shown) a single control rod is mounted in such manner that its radial distance from the optic axis may be adjusted.
Patent GB-499672-A (GB)
Title: Improvements in table attachments for deck chairs
IPC: A47C7/68
Filed: 1937-08-16
Abstract: 499,672. Table attachments for chairs. POWELL, J. F. Aug. 16, 1937 No. 22430. [Class 52 (iii)] A detachable tray or table for a folding chair comprises a top 1 furnished on its underside with a batten or battens 2 each of which is adapted and arranged to be engaged with the inclined members a, b on one side of a deck or folding chair so as to hold the tray substantially level while allowing for variations in the adjustment of the chair. The battens may be slotted at front and rear to engage the frame members, or, as shown, may be provided with stops 3, 4, and shaped so that the lower edge rests on the front member a, the tray being cut away at 1a at the rear so as to form with the end of the batten a slot engaging the rear member b. Beading 11 may be provided round the tray.
Patent GB-170812-A (GB)
Title: An improved clip for holding papers or like articles
IPC: B42F1/06
Filed: 1920-10-01
Abstract: 170,812. Stevens, W. H. Oct. 1, 1920. Clips, sheet-metal.-A clip for holding papers &c. is formed from a blank of metal, celluloid, or the like, having a tongue 12 cut therefrom, the tongue being bent upwardly at 18 and its free end 19 preferably bearing upon the forward end 22 of the frame 16, the side portions of which are formed with parallel bends 17. The tongue 12 may be provided with a secondary tongue 15 extending toward the frame. In use, the device is placed with the bends 17 and end 21 on a flat surface so that, on depressing the end 22 of the frame, a space is provided between the end 19 of the tongue 12 and the end 22 into which the papers &c. are inserted.
Patent GB-1436382-A (GB)
Title: Starch hydrolysate methods for its preparation and products based thereon
IPC: A23L27/30
Filed: 1973-05-11
Abstract: 1436382 Propoxylated hydrogenated starch hydrolysates ROQUETTE ERERES 11 May 1973 [17 May 1972] 22636/73 Heading C3U [Also in Division A5] Starch hydrolysates constituted by chains of propxoylated glucose groups in which the terminal groups are hydrogenated are obtained by (a) propoxylating milk of starch followed by hydrolysis and then hydrogenation or (b) hydrolysing followed by hydrogenation then propoxylation. The propoxylation may be carried out in the presence of an anion exchange resin.
Patent GB-665528-A (GB)
Title: Apparatus for determining the oxygen content of gases
IPC: G01N25/68
Filed: 1949-08-31
Abstract: In estimating the amount of free and/or combined oxygen in a gaseous mixture, the mixture together with the addition of excess hydrogen, if not already present in the mixture, is passed through a drying chamber 2 and then through a tube 5 heated electrically to, for example, 400 DEG -420 DEG C., and containing a catalyst, e.g. palladium, wherein the oxygen and hydrogen combine to form water vapour, the gas then being passed to a device 7 adapted to estimate continuously the dew point of <PICT:0665528/III/1> the mixture and hence the proportion of oxygen therein.  Gas from tube 5 impinges on a cooled mirror 8 the temperature of which is continuously recorded on an electrically operated device 18, 19. Light from a source 14 is reflected from mirror 8 to activate a photoelectric cell 16.  An interruption in the activation, due to the condensation of water on mirror 8, serves to decrease, through a relay 17 and valve 13, the flow of cooling medium, e.g. evaporating liquid air, to a cooling chamber 10 positioned behind the mirror, whereupon the film of water evaporates and the cycle is repeated indefinitely.  The temperature recording device is calibrated in percentage oxygen content.  To test occasionally the efficiency of the drying chamber 2, a pipe 20 byepassing the catalyst tube 5 is provided.  To estimate both free and combined oxygen in a mixture, two complete and separate units with appropriate catalysts for the hydrogenation of free oxygen and combined oxygen are connected in series.