baber/WOPTO huggingface dataset:
Patent GB-1233096-A (GB)
IPC: H01J37/248
Filed: 1968-05-30
Abstract: 1,233,096. Welding by fusion. UNITED AIRCRAFT CORP. 30 May, 1968 [8 June 1967], No. 25998/68. Heading B3R. [Also in Division H1] In electron beam or like apparatus for circumferentially welding pipes in which a welding carriage orbits the pipes within an annular evacuated chamber, a tracking device searches for and locates in the seam during one revolution of the carriage and, when the carriage is moved in the reverse direction during welding, follows the seam and directs the beam accurately on to the seam. The apparatus is identical to that described in Specification 1,233,094.
Patent GB-1234211-A (GB)
IPC: H01P5/16
Filed: 1967-07-14
Abstract: 1,234,211. Waveguide rotating joints and coupling arrangements. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 14 Oct., 1968 [14 July, 1967], No. 32593/67. Heading H1W. A microwave signal is divided for transmission through two waveguide rotating joints of the " slip ring " type in such a manner that attenuation of the signal due to the iterative stop-bands of the joints is obviated. Each joint comprises three E-plane coaxial waveguide rings, the middle ring having narrow walls in common with the two outer (upper and lower) rings and being split along its electrically neutral plane to allow relative rotation of the two halves of the joint. The outer rings are directionally coupled to the middle ring and the joint has a transmission characteristic (Fig. 1A) which exhibits iterative pass and stop bands. According to the invention, two joints J1, J2 rotating at the same angular velocity are arranged such that, for a given angular position of the arrangement, the stop bands of one joint coincide with the pass bands of the other. The input is divided between the outer (input) rings 11, 12 of the joints by means of a diplexing circuit ID of the type which feeds energy alternately to two outputs as the frequency is swept through the operating range. Such a diplexer (described, e.g. in Specification 817,569) may have, for each output, a frequency/ attenuation characteristic of sinusoidal shape, and the attenuation maxima and minima are arranged to coincide with those of the joint to which the output is connected. After transmission through the rings, the signals are recombined in a similar diplexer OD connected to the inner (output) rings 01, 02 of the joints. The rings are terminated by matched loads IT1 &c. In a modification, the loads are replaced by the inputs and outputs of two further diplexers the arrangement being such that two signals are passed simultaneously through the joints. The joints may have similar diameters and be stacked one above the other. Alternatively, they may have different diameters and be arranged one within the other.
Patent GB-1234233-A (GB)
IPC: G01N29/04
Filed: 1968-02-02
Abstract: 1,234,233. Ultrasonic inspection devices. T.I. (GROUP SERVICES) Ltd. 29 Jan., 1969 [2 Feb., 1968], No. 5437/68. Heading H4D. To enable the presence of flaws in the wall of a tube to be detected despite variations in wall thickness (e.g. where the tube has longitudinal fins) the tube is scanned by an ultrasonic probe which periodically emits a pulse and receives the resulting train of echo pulses, clock pulses are passed to a counter for as long as any echo pulse exceeds a given amplitude threshold, and the counter is controlled by a strobe (i.e. time-gate) signal to sum all the clock pulses received during a predetermined time interval. The sum registered is thus a measure of the total width of the echo pulses received in that interval, and it is argued that this total width, in the absence of flaws, is substantially independent of wall thickness. As described, the tube is scanned helically in a water bath, with the probe positioned inside an externally finned tube or outside an internally-finned one. The probe electrical output, waveform I, comprises transmission breakthrough pulse A, echo B from the nearer wall surface, possible flaw echo C, and echo D from the farther wall surface. Echoes above the dotted-line threshold are selected by a trigger circuit whose output II gates clock pulses III to a counter. The counter sums all gated clock pulses IV received in time-gate V. The time-gate is triggered by pulse A or by the electrical pulse which causes the probe to emit an ultrasonic pulse. The trailing edge of the time-gate resets the counter to zero. For locating flaws in the tube wall the time-gate length should correspond to the maximum wall thickness, whereas for indicating the total number of flaws in the tube the gate length should correspond to the time to complete the scanning of the tube. The trigger circuit threshold is selected according to the flaw type to be detected. An indicator lamp is lit when the counter reaches a predetermined (adjustable) count.
Patent GB-1258905-A (GB)
Inventor: WATERS G T
IPC: D02G3/36
Filed: 1968-03-27
Abstract: 1,258,905. Spinning and finishing yarns. IMPERIAL CHEMICAL INDUSTRIES Ltd. 5 March, 1969 [27 March, 1968; 26 Aug., 1968 (3)], Nos. 14764/68; 40616/68; 40617/68 and 40618/68. Headings D1F and D1W. Composite yarn comprises a core component 1 of stretch i.e. set false-twisted, synthetic continuous filaments and at least one wrapping component 3 of synthetic continuous filaments 5 formed around the core in helices the direction of which reverses, as at 7, 9, and 11, 13, at intervals along the yarn the covering provided thereby being a uniform, integrated filamentary body. Yarn is "high order" or "low order" according to whether the helical wrapping is applied continuously, Fig. 1, or intermittently, Fig. 2. At least 95% by number of the intervals between reversals are of length (l) less than 2cm. and at least 50% thereof may be less than 0.5cm. The continuous filaments e.g. of nylon or polyethylene terephthalate, for core and/or wrapping may be chemically, physically and/or aesthetically similar or different e.g. as regards birefringence, "natural draw ratio", cross-sectional shape (circular or trilobal), and/or may be bifilar or conjugate in sheath-core or side-by-side arrangement. In the manufacture of the yarn the at least two components are supplied to, in sequence, a feed means, a heating zone, a false-twisting element, and are withdrawn therefrom under a higher tension than that under which they are supplied, the components differing as to their extensibility under the stresses on entering the yarn section of increasing twist gradient i.e. the heating zone. The components may be, differently drawn i.e. undrawn, partly or fully drawn, and the withdrawing tension may be sufficient to effect drawing of the yarn in such section, and/or enter the section at different speeds, and/or have been differently heat treated e.g. at different temperatures. Yarn torque may be balanced by doubling core yarns of opposite torques or the torque in a single core yarn may be suppressed by heat treatment. As shown, undrawn yarns 15 and 17 of different birefringence values are merged at a guide 19 as they are withdrawn from packages 16 and 18 by a feed roll assembly 21 whence they enter a section of increasing twist gradient, passing to a false-twisting and drawing stage comprising heater plate 27 (whereon yarn twist reaches a maximum) friction twisting tube 29 and draw roll assembly 31. In the section upstream of tube 29, the component of greater extensibility forms a unidirectional helix around the other component, and it is stated that, downstream of tube 29, the core yarn has a set false-twisted core and a wrapping component of alternating helix direction. The core yarn passes to a heater plate 37, thence to a relax roll assembly 39, on to wind-up (not shown).
Patent GB-1259499-A (GB)
IPC: B62D5/06
Filed: 1969-03-25
Abstract: 1,259,499. Power assisted steering. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. 25 March, 1969, No. 15612/69. Heading B7H. A power-assisted steering device, particularly for motor vehicles, comprises a steering base 3 with two valves 1, 1<SP>1</SP> for cutting off the power assistance before the end lock positions of steerable vehicle wheels, a power piston of the device being movable manually beyond each power assistance cut-off point, wherein said valves 1, 1<SP>1</SP> are disposed in a steering base cover 2 and are selectively operable through a segment 7 mounted directly on the end face of a Pitman shaft 5 and wherein the valve which is opened releases the hydraulic pressure of the respective loaded pressure chamber of a servomotor 8. In operation, if pressure chamber 80 is loaded with pressure medium, Pitman shaft 5 is rotated anticlockwise (as viewed in Fig. 1). When control surface 7<SP>1</SP> contacts valve piston 11, the piston is raised off valve seat 14, so that pressure medium can flow from chamber 80, with a simultaneous pressure drop, through a pipe 81, top valve bores 15, valve seat 14, bottom valve bores 1511 into a chamber 19, which is relieved of pressure via cover chamber 20, and through pipe 21 to an oil reservoir 22. The cut-off point is adjustable by means of valve sleeves 10, 10<SP>1</SP> being screw threaded in the cover 2 and by the segment 7 being adjustable or having a cavity of arcuate form to receive fastening screws. Segments of different sizes may be employed. Reference has been directed by the Comptroller to Specification 1,035,686.
Patent GB-1266172-A (GB)
IPC: A01N47/38
Filed: 1969-03-11
Abstract: 1,266,172. 1 ,3,4-Thiadiazoles. AIR PRODUCTS & CHEMICALS Inc. 11 March, 1969 [13 March, 1968; 25 Sept., 1968], No.12704/69. Heading C2C. Compounds of formula wherein R 1  is a C 1-7  acyclic hydrocarbon or halohydrocarbon radical, the halogen being fluorine, chlorine or bromine, R 2  is hydrogen, a C 1-4  acyclic hydrocarbon radical or a phenyl group optionally substituted by chlorine, bromine or a nitro, trifluoromethyl, C 1-4  alkyl, C 1-4  alkoxy or -N(R 5 ) 2  group, in which each group R 5  is a C 1-4  alkyl group, R<SP>11</SP> is hydrogen or a group -CONR 3 R 4 , wherein R 3  is hydrogen or a C 1-4  acyclic hydrocarbon radical and R 4  is a C 1-4  acyclic hydrocarbon radical, and R 6  is a methyl or ethyl group, with the proviso that at least one of R<SP>11</SP> and R 2  is other than hydrogen, and tautomers thereof having a double bond from the ring carbon atom to the attached exocyclic nitrogen atom, are prepared by formation of the amines and imines of the invention by reaction of (a) a compound R 1 COOH with a compound NH 2 NHCSNHR 2  in the presence of polyphosphoric acid, (b) reaction of a compound (R 1 CO) 2 0 with a compound NH 2 NHCSNHR 2  to give a compound B 1 CONHNHCSNHB 2 , and treating this with concentrated sulphonic acid, or (c) reaction of a compound R 1 COCI with a compound HN 2 NHCSNHR 2  and phosphorus trichloride, followed, if desired, by conversion to a urea by (d) reaction with butyl lithium or sodium hydride and a compound ClCONR 3 R 4  or (e) reaction with an isocyanate R 3 NCO. When an isocyanate is used, a 3-CONHR 6  compound may be obtained, and this may be converted to the urea isomer by heating or by dissolving it in an organic solvent. The products have herbicidal, insecticidal, acaricidal and fungicidal activity.
Patent GB-1288629-A (GB)
IPC: G11B5/706
Filed: 1969-12-31
Abstract: 1288629 Magnetic materials STAMICARBON NV 31 Dec 1969 [4 Jan 1969] 63534/69 Heading C1A [Also in Division H1] In a process for the preparation of a ferromagnetic mass by precipitating finely divided ferromagnetic material from a liquid on to carrier particles dispersed therein, the carrier particles are generated in the liquid, as a dispersion, by injecting under the surface of the agitated liquid a solution of the carrier material or of one or more of its precursors. Specified embodiments of the carrier-forming step are: (1) injection of alkaline silica solution into the liquid having pH less than 7; (2) injecting into the aqueous liquid (pH 4-7) an acid solution of ions of, e.g. Al, Ti, Sn or Th; (3) injection into water of readily hydrolysable compounds, e.g. SiCl 4 , AlCl 3 , TiCl 4 , SnCl 4 , SbCl 3 , e.g. Al(OC 2 H 5 ) 3  or Sb(i-C 3 H 7 O) 3  in a  water-miscible solvent, e.g. Al 3 OH, C 2 H 5 OH, (CH 3 ) 2 CO. Formation of the carrier particles is followed by precipitation of the ferromagnetic material thereon. In Example 1 K 2 SiO 3  solution is added to an acid solution of Co and Ni nitrates to precipitate SiO 2 , then Co and Ni are precipitated thereon by addition of NH 4 OH and NH 4 HCO 3 . The product is dried and reduced in H 2  to yield a Co/Ni alloy dispersed on SiO 2 . In Example 2 a solution of K 2 SiO 3  is added to an acid solution of cobalt nitrate, urea, ammonium nitrate and ferrous chloride to precipitate SiO 2 , and this suspension is heated to precipitate Co-Fe mixed oxides on the SiO 2  particles.
Patent GB-1288719-A (GB)
IPC: D06M13/236
Filed: 1971-04-19
Abstract: 1288719 Proofing against chemicals CIBAGEIGY AG 19 April 1971 [9 Feb 1970] 21169/71 Heading DIP [Also in Division C2] Perfluoroalkylalkylmonocarboxylic acid esters of general formula I wherein R and R<SP>1</SP> each denote a perfluoroalkyl radical (4-14C), Q and Q each denote an acyclic alkylene radical (1-10C) or a cycloalkylene radical (5-6C), A and A<SP>1</SP> each denote alkyl, G denotes an aromatic radical, and m, n and p each denote 1 or 2, with the hydroxyl group being in the 2-position to the R-COO or R<SP>1</SP>COO- group, are useful for imparting oleophobic, hydrophilic and soil release properties to permeable substrates. Cross linkers which may be used in association with the perfluoro compounds include compounds containing groups such as the following: epoxide, isocyanate, acrylic, methylol (e.g. dimethylolethyleneurea, etherified methylol, e.g. hexamethylol melamine penta- or hexa-methyl ether), alcohol, aldehyde and easily hydrolysable ester, and soluble condensation products, e.g. aminoplasts and phenol-formaldehyde. The perfluoro compounds may be applied separately from or together with other finishing agents, e.g. polyethylacrylate or copolymers of acrylic or methacrylic acid esters with methylolacrylamide or methylolmethacrylamide, or agents for conferring hydrophobic properties, e.g. paraffin emulsions or solutions or emulsions of fatty acid condensation products with aminoplast precondensates. The perfluoro compound may be applied to the substrate as a dispersion or emulsion or as a solution in an organic solvent and may be thermally fixed to the material after evaporation of the solvent. Other solvents include ethanol (optionally aqueous), dioxan and ethyl acetate. Other additives include magnesium chloride, isobutan-(2)-ol-(3)-amine hydrochloride, chloroacetic acid and citric acid. The substrates may be cotton, linen, staple viscose, cellulose acetate, wool, polyamides, polyesters, polyacrylonitrile, leather and paper.
Patent GB-1290294-A (GB)
IPC: H01H33/65
Filed: 1971-04-19
Abstract: 1290294 Automatic circuit breaker TOKYO SHIBAURA ELECTRIC CO Ltd 19 April 1971 [9 Feb 1970] 21197/71 Heading H1N An automatic circuit breaker comprises a first, contact-carrying, lever 5 pivoted at 13 to a second lever 12 pivoted on a fixed shaft 10; a coupling 14, 18 normally rigidly linking the two levers; a driving mechanism 27 arranged to drive the first lever 5 towards the contacts closed position; means 19, 20 for releasing the coupling 14, 18 upon the flow of excess current so that the driving mechanism is allowed to move further in the closing direction to tilt the lever 5 about its pivot 13 to open the contacts; and an indicating device operated by the position of the driving mechanism to differentiate between the normally open position and the tripped position. The indicating device comprises auxiliary contacts 42 closed by a cam 41 at one end of the travel of the driving mechanism; the contacts can be open or closed in the intermediate "on" position (Figs. 4A-4D, not shown) depending on the shape of cam 41. The pneumatic driving mechanism 27 is controlled by an electromagnetic valve 35. A blow-out coil 2 and a tripping coil 3 are in series with the contacts 1, 8 located in an arc chute 38.
Patent GB-1296005-A (GB)
IPC: B22D11/126
Filed: 1971-04-19
Abstract: 1296005 Conveying apparatus SCHLOEMANN AG 19 April 1971 [28 March 1970] 24494/71 Heading B3M Slabs 24 from a heavy rolling mill or continuous casting plant are fed along roller tables 1, Fig. 1, until they contact end stops 2, are rotated through 90 degrees by pivoted lifting arms 6, and transferred on to cooling beds 3. The slabs continue to move in a direction parallel to the roller tables, but they are now positioned transversely, rather than longitudinally, of their direction of movement. Each arm 6, Fig. 2, is pivoted at 5 and supported at its free end on an arcuate track 10. A driving motor 17 and associated arcuate rack 11 are used to move the arm pivotally. The arm supports a beam 20 which carries pairs of gripper arms 22. The arms engage opposite edges of a slab and grip the slab by virtue of hydraulic actuating cylinders 23. By operating further cylinders 18 between the arm and beam, the slab can be raised or lowered.
Patent GB-1296399-A (GB)
IPC: A61C17/38
Filed: 1969-11-26
Abstract: 1296399 Water driven brushes PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 26 Nov 1969 [29 Nov 1968] 57790/69 Heading A4K [Also in Division F1] In a water driven toothbrush, the supply of water to a movable wall 7 of a power chamber 6 of a fluid vibrator motor is controlled by a bistable water switch 10 which in response to the pressure in the power chamber opens or closes a port 9 situated in the water passage between the inlet 4 and the outlet 5. The movable wall may take the form of a piston 7 the rod 8 of which transmits motion to the brush head 3 via a crankpin 16 and eccentric 17. The chambers and passages of the fluid vibrator motor may be  formed in a number of stacked plates (38-42), Fig. 11 (not shown) which are locally in fluid communication with one another but otherwise insulated from one another, the power chamber being formed with two movable walls which are constituted by resilient water-impermeable diaphragms and the switching member of the bi-stable being disposed between two such diaphragms.
Patent GB-1303991-A (GB)
IPC: A61F2/24
Filed: 1969-02-18
Abstract: 1303991 Valves W E DUNN 2 Feb 1970 [18 Feb 1969] 8702/69 Heading F2V [Also in Division A5] A heart valve prosthesis 1 (see Division A5) comprises a cage 18 of four upright members 19 each having lips 20 at one end and each attached to an annular channel-shaped member 10 at the other, and a closure member 17 being a concavoconvex disc retained within the cage as shown such that blood may flow from bottom to top as seen in the diagram but not the other way. A suturing fabric assembly 15, 16 is retained between the edges of the channel member, and the disc 17 is preferably made from P.T.F.E., the fabric from polyethyleneterephthalate and the cage from stainless steel, titanium or polypropylene, preferably covered in a layer of P.T.F.E.
Patent GB-1315469-A (GB)
Title: Treatment device
IPC: A61F7/10
Filed: 1972-04-07
Abstract: 1315469 Therapeutic device DOLPHIS INDUSTRIES PTY Ltd 7 April 1972 16160/72 Heading ASR A device for heating or cooling a patient comprises a moulded rubber or flexible plastics material container 4 of a horseshoe or U- shaped configuration, means 7, 11 for the supplying and removal of a heat transfer liquid to and from the container. At one end 5 of the container an opening 6 is provided for the filling and emptying of the container through a threaded hole 10 in an insert 7. The insert is provided with a circumferential groove 8 which accommodates a beading 9 formed on the inside of the opening. The container has an elliptical cross-section, Fig. 4 (not shown), to provide a large area of contact with the patients or an animals anatomy. It tapers from the middle region to its ends 5, 12 on which are provided webs 13, 14 and eyelets 15 for the receipt of laces for the attachment of the device to the patient. The material of the device is non-porous with a low-thermal conductivity and is provided with circumferentially extending flutes 17 to prevent burning of the patient when used with hot fluid. Alternatively, other cross-sectional configurations may be used and the webs and laces may be replaced by a belt with press stud attachment or a belt moulded integrally with one end of the container and a press stud on the other end of the container. A press-fitted plug with a security strap to prevent loss may replace the stopper 11, and the insert and opening may be provided with a plurality of respective grooves and headings.
Patent GB-1319478-A (GB)
Title: Thermostat tube
IPC: G01K1/14
Filed: 1970-09-04
Abstract: 1319478 Seaming; riveting SANTON Ltd 15 Sept 1971 [4 Sept 1970] 42536/70 Headings B3J and B3W [Also in Division G1] A thermostat tube comprising an outwardly extending flange 5 which is formed by deforming radially outwardly an annular portion of the tube is attached to a plate 6 having a hole 7 therein by projecting the open end 3 of the tube from one side of the plate 6 through the hole 7 until the flange 5 urges a sealing element 9 into abutment with the portions of the plate surrounding the hole and then deforming the open end 3 of the tube into close abutment with the other side of the plate 6. The tube and plate may be of brass and may form part of a heater. The flange 5 of the tube may be defined by a fold having two abutting portions or alternatively by a frusto-conical portion extending from a radial portion (Fig. 3, not shown). The flange 5 having the fold may be formed by bulging radially outwardly a portion of the tube wall by rotating a roller around the inside surface of the tube wall and pressed against such surface, the tube being subsequently subjected to axial force to collapse the bulge and form the fold.
Patent GB-1330863-A (GB)
Title: Slitting webs
IPC: B26D1/03
Filed: 1971-06-21
Abstract: 1330863 Handling web material IMPERIAL CHEMICAL INDUSTRIES Ltd 21 June 1971 [6 July 1970] 32671/70 Heading B8R [Also in Division B4] Apparatus for slitting a moving web, e.g. of oriented polypropylene or other thermoplastic material, into at least one strip comprises web slitting means arranged for reciprocation transversely of the web travel, and means for adjusting the position of the or each strip relative to a roll 12 being formed so that the roll 12 is formed with one strip edge substantially in a plane perpendicular to the roll axis. The slitting means may comprise knives, hot gas jets, wires or laser beams, &c., and a flattened tubular film 1 may be slit into two separate layers by two knives which reciprocate between positions 2, 3 and 4, 5, the layers being wound into separate rolls. Alternatively, Fig. 5 (not shown), knife edges (14), (15) may penetrate respectively only the lower and upper film portions of the tube (13), producing two strips of generally J-section which are then unfolded, or a single slit may be formed in the tube prior to unfolding. The strip position is adjusted by means of bars 7, 8 of a frame 9, pivotable about an axis 10 to shift the web laterally, with pneumatic, photo-electric, mechanical or capacitance-responsive sensing means 11, and Fig. 7 (not shown), monitoring one edge of the strip 6 to control the frame 9, and ensure a uniform lateral position of the wound strip edge.
Patent GB-1332319-A (GB)
Title: Water heaters or boilers
IPC: F24H1/18
Filed: 1970-11-23
Abstract: 1332319 Cylindrical boiler W M STILL &  SONS Ltd 23 Nov 1970 55666/70 Addition to 1319443 Heading F4A In a cylindrical boiler having a vertical axis hot combustion gases from a ring of burners 44 pass up through an annular duct 30, formed between the boiler casing and an insulated wall 32, and containing heat conducting fins 40 which are parallel and vertical and which extend from the boiler casing. The gases travel round the upper portion 34 of the duct 30 to a flue 36. The fins are formed by bending a continuous sheet of metal and fixing it at points 42 to the casing. The casing is formed in two havles 14, 16 bolted together. Hot water is drawn off through a co-axial outlet 50 via an inner pipe extending to the bottom of the boiler, and low pressure steam via an outer tube. (For Figure see next page.)