baber/WOPTO huggingface dataset:
Patent GB-761045-A (GB)
Title: Improvements in or relating to the bonding of ceramics with copper
IPC: C04B37/02
Filed: 1952-08-29
Abstract: Ceramic materials are bonded to copper by applying to, or otherwise forming on, at least one of the surfaces to be bonded, a film of copper oxide, positioning the materials to be bonded so that their surfaces are substantially in contact and heating the assembly between 1083 DEG C. and 1235 DEG C. in an atmosphere free, or substantially free, from oxygen e.g. in vacuo.  The copper may be a coating applied by spraying, vapour deposition or electrodeposition or it may be a solid piece of copper. Alternatively, two pieces of ceramic may be bonded by the interposition of copper.  Oxidation of the copper may be effected in situ, oxidation and bonding being carried out as separate operations or as a continuous operation, by heating in an atmosphere of air and water vapour at 200-1000 DEG C., perferably at 700 DEG C., or by heating in contact with or in proximity to substances which produce or give up oxygen.  The coating of oxide may vary in thickness, such variation being produced by maintaining part of the surface in contact with an inert solid surface during oxidation, by painting part of the surface with an aqueous suspension of aliminium oxide or china clay, by coating part of the surface with silver, or by placing part of the surface in contact with, or coating part of the surface with, an oxidizing agent e.g. manganese dioxide.
Patent GB-818121-A (GB)
Title: Improvements in or relating to the treatment of polyester textile fabrics
IPC: D06M11/38
Filed: 1957-07-09
Abstract: Textile fabrics consisting at least in part of polyester fibres are treated, without subjecting them to any mechanical finishing pretreatment, in an aqueous bath containing alkali-metal hydroxide and 10-30 per cent (by weight of the bath) of an organic swelling agent and/or solvent which is at least partially soluble in water. Suitable organic swelling agents or solvents are alcohols and their derivatives, e.g. methyl alcohol, butyl alcohol, diethylene glycol and ethylene glycol monomethyl ether.  The alkalimetal hydroxide is preferably linked with the organic solvent or swelling agent to form the bath in the form of an aqueous solution of concentration 25-50 DEG  B<\>ae, and the bath preferably contains at least 10 per cent by weight of alkalimetal hydroxide. Preferably, also, the bath is maintained at a temperature between room temperature and 110 DEG  C., and the fabric is passed through the bath so that the total period of immersion of any section is between 30 seconds and 2 minutes, and is then washed neutral and dried.  The process is particularly suitable for the treatment of fabrics consisting entirely of polyester fibres, but mixed fabrics of polyester fibres and other fibres, e.g. cellulosic fibres, may be treated.  The fabrics are given a soft hand without great reduction of the fibre strength.ALSO:Textile fabrics consisting at least in part of polyester fibres are treated, without subjecting them to any mechanical finishing pretreatment, in an aqueous bath containing alkalimetal hydroxide and 10-30 per cent (by weight of the bath) of an organic swelling agent and/or solvent which is at least partially soluble in water.  Suitable organic swelling agents or solvents are alcohols and their derivatives, e.g. methyl alcohol, butyl alcohol, diethylene glycol and ethylene glycol monomethyl ether. The alkali-metal hydroxide is preferably mixed with the organic solvent or swelling agent to form the bath in the form of an aqueous solution of concentration 25-50 B<\>ae., and the bath preferably contains at least 10 per cent by weight of alkali metal hydroxide.  Preferably, also, the bath is maintained at a temperature between room temperature and 110 DEG  C., and the fabric is passed through the bath so that the total period of immersion of any section is between 30 seconds and 2 minutes, and is then washed neutral and dried.  The process is particularly suitable for the treatment of fabrics consisting entirely of polyester fibres, but mixed fabrics of polyester fibres and other fibres, e.g. cellulosic fibres, may be treated.  The fabrics are given a soft hand without great reduction of the fibre strength.
Patent GB-926746-A (GB)
Title: Pressure-responsive apparatus
IPC: G01L7/14
Filed: 1961-06-16
Abstract: 926,746. Measuring pressure electrically. SPERRY RAND CORPORATION. June 16, 1961 [Aug. 12, 1960], No. 21790/61. Class 40 (1). [Also in Group XIX] A pressure-responsive device such as an altimeter comprises a bellows 18 evacuated or having low internal pressure so as to maintain in tension a resilient link 20 connected to an armature 12 fixed to a torsion bar 10 and cooperating with pick-off 26. The bellows may thus freely expand or contract, without distortion by bending, with changes in the external pressure. Rotation of the armature 12 gives a signal which is amplified and applied to a servomotor 30. This rotates the torsion bar 10 until the signal is cancelled, the amount of rotation providing an indication of the external pressure which may be displayed on an indicator 36 and/or applied to the automatic pilot of an aircraft. In Fig. 4, (not shown) the armature 12 is connected to a bi-metallic strip 46 to provide temperature compensation. A member 40 fixed to bar 10 and carrying the bi-metallic strip has a flange immersed in damping fluid in a container 66.
Patent GB-500360-A (GB)
Title: Improvements in or relating to radio transmitting aerial systems
Filed: 1937-08-07
Abstract: 500,360. Aerials. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and AISENSTEIN, S. Aug. 7, 1937, No. 21799. [Class 40 (v)] Relates to an aerial of rather more than half a wavelength, the standing-wave of current being reversed in phase a short distance above the earth end, so that the radiation from this end is in opposite phase to that from the top end, in order to cancel-out the upward tilt of the wave as a whole and reduce "fading." According to the invention, the magnitude of the reversed radiation is accurately adjusted by means of adjustable capacity wires A, B, Fig. 1. These are connected to the main aerial system E, C, D at the feeding point G, from 10 to 20‹ from the lower end of the "standing wave," and are anchored to insulating supports H, J. The capacity wires may be telescopically fixed to the lower end of a half-wave " mast " aerial of square or triangular section. Or they may be arranged umbrella-fashion between the aerial and ground at varying angles to the main aerial. In Fig. 5, the lower capacity wires A, B are used in combination with a capacity " top " on a quarter-wave aerial M, the whole being supported by masts F1, F2.
Patent GB-720519-A (GB)
Title: Improvements in or relating to the delivery mechanism of platen printing presses
Inventor: BALL WILLIAM FREDERICK
IPC: B41F1/28
Filed: 1952-08-30
Abstract: 720,519. Sheet-delivery apparatus. THOMPSON & SON, Ltd., T. C. July 6, 1953 [Aug. 30, 1952], No. 21853/52. Classes 100 (1) and 100 (2). In a delivery mechanism for a platen printing press of the kind described in Specification 463,617 in which a gripper device is reciprocated laterally of a movable platen by toggle mechanism the members of which are opened out on each side alternately of a centre about which one of the members is oscillated, the operative member 21 of the toggle mechanism is operated by a cam 26 and is mounted on a shaft 22 at right angles to the cam shaft 29a. The driving connection comprises a rock-shaft 24a one end of which carries a cam follower 28 engaging a groove 27 in the cam 26 whilst the other end is connected to the shaft 22 through bevel gearing 23, 24. The rock-shaft 24a which is mounted within the periphery of the cam 26 is such that a 90-degree movement imparted thereto causes a 180-degree movement of the shaft 22. Specification 463,542 is also referred to and Specification 490,661 is referred to in the Provisional Specification.
Patent GB-818163-A (GB)
Title: Gear wheel tooth testing or shaping apparatus
Inventor: TURNER LESLIE ARTHUR
Filed: 1956-07-16
Abstract: 818,163. Grinding. GEAR GRINDING CO. Ltd. July 9,1957 [July 16, 1956], No. 21873/56 Class 60. [Also in Group XIX] Apparatus for shaping the profiles of templates used in the trimming apparatus of a toothed wheel grinding machine comprises a principal slide 15, a work-piece holder 21, means 18, 19 for imparting angular movement to the holder 21 by linear movement of the slide 15, a sub-slide 25 mounted on and movable at right angles to the direction of movement of the principal slide 15 under the control of a fixed template 38, a second subslide 24 mounted on and movable parallel with the principal slide 15, means including a part 36 on the first sub-slide 25 having a surface inclined to the direction of motion of that sub-slide for inter-connecting the sub-slides 24, 25 and a workpiece grinding means carried by the sub-slide 24 and replacing the measuring stylus 32 shown. A saddle 11, movable by operation of a hand wheel 13, is mounted on the bed 10, the principal slide 15 being carried by the saddle 11 and movable by the operation of a hand wheel 17. A straight edge 18 is secured to the slide 15 and is held in frictional contact with a disc 19 corresponding in diameter to the diameter of the base circle of the template profile being ground (not shown). This template is secured to the disc 19 and thus movement of the hand wheel 17 causes angular movement of the template. The sub-slides 24, 25, are carried by the principal slide 15, slide 24 being movable parallel to the slide 15 and slide 25 movable perpendicularly to it. Sub-slide 24 carries an electric motor and a grinding wheel and also carries rollers 41 contacting the part 36. Sub-slide 25 also carries a tracer 37 held against the fixed template 38 by a spring 39. In operation, movement of hand wheel 17 causes the principal slide 15 to move and hence rotates the disc 19 and the template being ground. The grinding wheel carried by slide 24 also moves linearly but is not fixed relatively to the principal slide 15 since it is acted on by the combined action of the fixed template 38 and the part 36. Thus templates whose forms are not true involutes can also be ground. Instead of frictional contact between the straight edge 18 and the disc 19, they may be connected by flexible metal tapes or replaced by an equivalent rack and pinion.
Patent GB-1220118-A (GB)
Title: Process for treating the surface of zirconium and zirconium alloy bodies
IPC: C25F3/26
Filed: 1968-05-08
Abstract: 1,220,118. Electropolishing zirconium. SIEMENS A.G. May 8, 1968 [May 10, 1967], No.21886/68. Heading C7B. A body of Zr or Zr alloy is anodically polished in an electrolyte comprising a mixture of perchloric, acetic and hydrochloric acids. Preferably the mixture comprises substantially pure acetic acid, 40% by volume perchloric acid and 37% by weight hydrochloric acid in the ratio 300 : 1 to 10 10 to 40 parts by volume, and may also include 10g. of chloracetic acid per 300 ml. of acetic acid. Typically the electrolyte is continuously circulated through an external cooling system to maintain the temperature below 25C., the polishing current density being in the range of 20 to 150 amps. /sq. dm. The body being polished may be a zirconium casing tube for a nuclear reactor and polishing may be effected with the use of cooled steel plate cathodes.
Patent GB-415258-A (GB)
Title: Improvements in and relating to horse, traction or like hoes
IPC: A01B35/26
Filed: 1933-08-04
Abstract: 415,258. Implements for working land. PETERSEN, L. P., (trading as UGGERLOSE MASKINFABRIK VED L. PETERSEN), Uggerlose, Holbaek, Denmark. Aug. 4, 1933, Nos. 21989 and 21990. Convention dates, Aug. 4, 1932 and Aug. 17, 1932. [Class 6 (i).] A share for horse, traction, and like hoes is made with its bottom surface convex downwards in cross-section normal to the cutting edge, its blade being so mounted and arranged that it lies substantially in a horizontal plane and moves below and parallel with the surface of the soil, with its cutting edge inclined to the direction of motion. The share may be provided with a reinforcing rib or ridge 4 which may have a cutting edge. The share has an ordinary cutting edge 3, and its point may extend further forward than usual.
Patent GB-634341-A (GB)
Title: Azo coupling components for photographic diazotype materials
IPC: G03C1/58
Filed: 1947-08-08
Abstract: 634,341. Photographic diazotype material. GENERAL ANILINE & FILM CORPORATION. Aug. 8, 1947, No. 22003. Convention date, Oct. 26, 1946. [Class 98 (ii)] An azo-coupling component for incorporation in a diazotype sensitizing solution or in a developing solution therefore is a compound of formula wherein R is a phenyl or naphthyl radical, X is H or an acyl, alkyl, hydroxyalkyl, hydroxyaryl aryl, or alkaryl group, and one coupling position p- or oto a hydroxy group is free. In examples, paper is sensitized with an aqueous solution of glycerol, citric acid, thiourea, zinc chloride, and (1) 2: 7-dihydroxynaphthalene-1- methylenesulphonic acid and p-diazodiphenylamine sulphate or (2) 1: 3-dihydroxybenzene-4- methylenesulphonic acid and p-diazo-N-ethylamino - o - methylbenzene. 1: 8 - Dihydroxynaphthalene-2-methylenesulphonic acid and the methylene sulphonic acids of catechol and hydroquinone may also be used as couplers.
Patent GB-799265-A (GB)
Title: Metal storage tank
IPC: E04H7/06
Filed: 1955-08-02
Abstract: 799,265. Tanks. WIGGINS, J. H. Aug. 2, 1955, No. 22171/55. Class 69 (1). A cylindrical metal storage tank with a suspension-type roof has the load distribution on a central support C and outer wall 1 stabilized by building the roof in two downwardly curved portions A and B attached to tension and compression rings D and E on the support C and wall 1 respectively and meeting at an angle at the circle a constituting the lowest line of the roof, so that relative movement of support C and wall 1 due to any settling after building does not alter the position of the circle a. As shown, the inner and outer curved portions A and B are connected by a V-section member 4 with drain 11 for water collected on the roof; alternatively the portions A and B may be lapwelded together at an angle, or may form two parts of an integral roof with a kink along the circle a. The V-shaped plate 4 may have radial stiffeners spaced on its underside, and while of generally annular shape may be polygonal in plan for ease of fabrication. The method of building the complete tank is described in Specification 799,266.
Patent GB-531734-A (GB)
Title: Improvements in or relating to hygrometers for determining the hygroscopic conditionof the ambient air
IPC: G01N25/68
Filed: 1939-07-31
Abstract: 531,734. Hygrometric apparatus. SOC. ITALIANA PIRELLI. July 31, 1939, No. 22193. Convention date, Aug. 12, 1938. [Class 97 (iii)] An ambient air condensation hygrometer comprises two spaced electrodes 5, 5 mounted on a glass plate 4 on which a deposit of dew may form and so close an electric circuit across the gap 6, a cooling means such as a box or container 1 through which cooling fluid flows by means of ducts 2, 3, the glass plate 4 being mounted on said box, an electrically actuated means for regulating the flow of cooling fluid and an electronic relay in circuit connection with the electrodes and the regulating means. The temperature of the glass plate 4 is measured by means of a thermo-couple 8. The relay comprises a transformer having two secondary coils 9, 10, a thermionic valve 11, a condenser 13 having a resistance 14 and a mechanicallyoperated switch 15 which periodically establishes contact, and a condenser 16 connected to the electrodes 55 by conducting wires 7. The grid 17 and condenser 16 are negatively charged by the condenser 13 when the switch 15 is closed and after opening of the switch the valve 11 remains inactive unless the deposit of dew between the electrodes 5, 5 allows the condenser 16 to discharge and the valve 11 to function so as to close down or control the flow of cooling fluid by means of the electromagnet 12. The temperature of the dew plate 4 then begins to rise causing the dew to evaporate and open the circuit so that on the next closing of the switch 15 the valve 11 ceases to function and the cooling fluid recommences to flow. By this means the temperature of the dew plate is maintained near dew point and its temperature is indicated by the thermo-couple 8.
Patent GB-1261664-A (GB)
Title: Control of an adjustable chair
IPC: A61G9/00
Filed: 1970-05-07
Abstract: 1,261,664. Correspondence control systems. SIEMENS A. G. May 7, 1970 [May 7, 1969), No.22201/70. Heading G1N. [Also in Division G1] The height, inclination and tilting of a dental chair are controlled by pre-set desired value transmitters, an appropriate one being switched into operation and compared with an actual value transmitter coupled to the relevant adjustment of the chair and the chair being moved to zero error or some predetermined small value. The actual value and desired value transmitted are rheostats 19, 31 respectively and are compared at 17. Dependant upon the size of the out of balance voltage, the appropriate one of hydraulic valves 11, 12 is operated via amplifiers 13, 14 to drive the chair. Four such transmitters 31 are selected simultaneously on operating switch 32 and holding circuit 33 by appropriate relays 37 and thus the chair homes on the selected position. Switches 21, 22 allow the chair to be inched into a different position. A switch 23 biases the gates 15, 16 to prevent any movement of the chair due to imbalance To alter the pre-set conditions, switch 44 is operated, the chair inclined (by pair 21, 22 for each degree of freedom) and the pre-sets 19 adjusted until balance is achieved (appropriate lights 42 extinguish) and switch 44 is re-set. The function of the selecting switches may be assumed by a program device.
Patent GB-731225-A (GB)
Title: An escapement mechanism for the paper carriage of typewriters or the like machines
Inventor: DEMMEL ANTON
IPC: B41J19/40
Filed: 1953-08-12
Abstract: 731,225. Typewriters. OLYMPIA WERKE WEST GES. Aug. 12, 1953, No. 22239/53. Class 100 (4). In an escapement mechanism of the kind comprising a rocker 2 with a fixed pawl 7 and a movable pawl (not shown), the pawl 7 is resiliently supported in the direction of the rocking movement, preferably by a leaf-spring 5 connected to the rocker. A screw 8 is provided to adjust the position of the spring 5.
Patent GB-1186450-A (GB)
Title: Liquid-Ring Vacuum Pumps with Injectors
IPC: F04C19/00
Filed: 1967-05-12
Abstract: 1,186,450. Liquid-ring vacuum pumps; injectors. SIEMENS A. G. May 12, 1967 [May 12, 1966], No. 22240/ 67. Headings F1C and F1E. A liquid-ring vacuum pump is preceded by an injector energized by a vapour-gas mixture or a parallel arrangement of an injector energized by vapour and an injector energized by gas. In the arrangement shown in Fig. 1, a chamber 18 is evacuated by an ejector 12 backed by a liquidring pump 1. The gas, e.g., vinyl chloride, withdrawn from the chamber 18, together with liquid entrained from the liquid-ring 4, is discharged at 29 to a separator 5. The gas escapes at 26 while the separated liquid is deflected by a baffle 6 and collects at 25, whence it can return via a pipe 34 to the liquid-ring. Some of the liquid passes from the separator 5 to a vessel 7 where it is heated by, e.g., a heating coil 21, the current in the coil being controlled either manually or, preferably, by a regulator 8 in accordance with the liquid-ring temperature sensed by an element 10, or in accordance with the vapour pressure of the liquid-ring. The resultant vapour 24, e.g., water vapour, passes via a pipe 17 and control valve 16 to join gas 32 withdrawn from the gas 26 via a control valve 15, the resultant vapourgas mixture 33 being accelerated in a nozzle 14 to several times the speed of sound to energize the injector 12. More than one injector may be used. In a modification, Fig. 2 (not shown), the vapour and gas are not mixed but are used separately in two separate injectors connected in parallel.
Patent GB-290873-A (GB)
Title: Improvements in and relating to stoppers for bottles and the like
IPC: B67D1/04
Filed: 1927-08-26
Abstract: 290,873. Hechst, K. Aug. 26, 1927. No Patent granted (Sealing fee not paid). Stoppers with valves. -A stopper, for bottles &c. in which emptying is effected by internal pressure through a tube having its lower end disposed below the level of the liquid, comprises a head 2 formed with a recess 6 in which is disposed a separate cylindrical casing 7 formed with a flange 8; a stirrup fastener 3 clamps the flange 8 between the head 2 and a disc-shaped packing member 4 carrying the discharge tube 5. A valve 10, having apertured side flanges 11, presses a packing 12 against the top of the casing 7 to close an aperture 9 therein, the packing being displaced by a spring supported pin or plunger 15, disposed in a recess in the top of the head, when liquid is to be discharged from the bottle. In a modification, the head 2 encloses the top of the neck of the bottle and is retained by two semi-circular spring members which engage the lip of the bottle and an inward flange on the head.
Patent GB-1306619-A (GB)
Title: Substituted chrysanthemates processes for preparing them and insecti cidal compositions containing them
IPC: C07C61/12
Filed: 1971-04-19
Abstract: 1306619 Substituted chrysanthemates SUMITOMO CHEMICAL CO Ltd 19 April 1971 [26 Feb 1970 2 March 1970 17 Dec 1970] 22537/71 Heading C2C [Also in Divisions A5 and C4] Substituted chrysanthemates of the general Formula I wherein R 1  is methyl, R 2  is a C 1 -C 5  alkoxymethyl, a C 3 -C 5  alkenoxymethyl, a C 3 -C 5  alkynoxymethyl, a C 1 -C 5  alkylcarbonyl, a C 2 -C 5  alkenylcarbonyl or C 2 -C 5  alkynylcarbonyl, or R 1  and R 2  are bonded at respective ends to form cyclic ketone, R is a group of wherein R 3  is a C 3 -C 5  alkenyl, a C 3 -C 5  alkynyl or C 5  alkadienyl, R 4  is a substituted or unsubstituted phenyl, thienyl or furyl (the substituent being methyl, methoxy or a halogen), and R 5  is a substituted phenyl, thienyl or furyl (the substituent being a C 1 -C 3  alkyl, a C 3 -C 5  alkenyl, C 5  alkadienyl, a C 3 -C 5  alkynyl, a halogen, benzyl, thenyl, furylmethyl, phenoxy, phenylthio or a polymethylene containing or not containing oxygen in the carbon chain having 3-4 carbon atoms), or phthalimido, thiophthalimido, di- or tetrahydrophthalimido or a substituted maleimido (the substituent being one or two C 1 -C 4  alkyls or phenyls), are prepared by reacting a compound of the formula RA where A is hydroxy, halogen or tosyloxy with cyclopropane carboxylic acid of the formula or a reactive derivative thereof. Many examples are given. The compounds have insecticidal properties and may be made up with the usual diluents into compositions which may also incorporate other active ingredients.
Patent GB-1165332-A (GB)
Title: Sight Plug
Inventor: ADAMS GEORGE EDWARD
IPC: G01F23/02
Filed: 1966-05-21
Abstract: 1,165,332. Liquid level indication. G.E. ADAMS & CO. Ltd. Aug. 14, 1967 [May 21, 1966], No.22733/66. Heading G1H. In a sight glass plug the glass 7 is held in the plug by an edge 10 pressed over a resilient ring 8 of circular cross-section and the arrangement is such that, when the plug is screwed into position in the wall 2 of a chamber in which the liquid level to be observed, the pressure P within the chamber presses the glass 7 against the ring 8. 1,165,370. Testing for fluid leakage. TECHNIGAZ and SUD-MARINE. Dec. 13, 1966 [Dec. 13, 1965], No.55779/66. Heading G1S. The fluid-tightness of a double walled enclosure is tested by introducing gaseous ammonia at approximately atmospheric pressure into the intermediate space 4 surrounding the impervious membrane 3 of a tank 1, and applying to the accessible inside surface of membrane 3, a coat of reactive substance such as a composition containing bromophenol blue and phosphoric acid which changes colour when in contact with ammonia, to indicate the position of any leak.