baber/WOPTO huggingface dataset:
Patent GB-1042419-A (GB)
Title: Improvements in or relating to the cooling of pressed boards
IPC: F28D11/06
Filed: 1964-11-10
Abstract: 1,042,419. Heat-exchanger tube coils; closed circulation cooling systems. G. A. PFLEIDERER. Nov. 10, 1964 [Nov. 30, 1963], No. 45855/64. Headings F4S and F4U. [Also in Division B5] Pressed boards leaving a heating press are transported in steps along a cooling path and cooled by means of a flowing cooling fluid during the rest periods of their transport. The cooling path is defined by pairs of upper and lower pipe coils 16 movable towards each other to engage between them a board to cool it, and away from each other to allow the board to continue its travel along the cooling path on an associated conveyer. Each upper pipe coil is connected to the corresponding lower pipe coil by means of a flexible pipe joint and each adjacent pair of coils are connected by a further flexible pipe 20. Cooling fluid enters the upper or lower pipe coil at the finish of the path and flows through both coils of the pair via the flexible connection then through the flexible pipe 20 on to the next pair. The cooling liquid progresses in this manner until it reaches the start 21 of the cooling path from which it is fed to a heat exchanger 22, through a pump 23 and on to recirculation through the cooling coils. The pipe portions of adjacent pipe coils are so arranged that a pipe portion in one coil corresponds to a space between pipe portions in an adjacent coil to ensure uniform cooling of the boards.
Patent GB-1284069-A (GB)
Title: Piperidone enol ethers
IPC: C07D211/74
Filed: 1970-09-25
Abstract: 1284069 4-Piperidone enol ethers SANKYO CO Ltd 25 Sept 1970 [27 Sept 1969 4 Nov 1969] 45865/70 Index H4R 18AX [Also in Division C3] Novel compounds I where R is C 1-18  alkyl, C 5-6 -cycloalkyl optionally substituted by C 1-4  alkyl, or OH, or R is a group - CH 2  - R<SP>1</SP> where R<SP>1</SP> is phenyl optionally substituted by C 1-4  alkyl, C 1-4  alkoxy, hydroxy or halogen; or naphthyl; or a 5- or 6-membered oxygen containing heterocyclic ring optionally substituted by C 1-4  alkyl, C 1-4  alkoxy, hydroxy groups or halogen atoms, are made by reacting a triacetonamine II with an alcohol R - OH, in the presence of an acid catalyst. The compounds are stabilizers for polymers.
Patent GB-1511770-A (GB)
Title: Colour-changing amusement device
IPC: G09F19/20
Filed: 1976-11-08
Abstract: 1511770 Continuously-variable toothed gearing TOMY KOGYO CO Inc 8 Nov 1976 46339/76 Heading F2D [Also in Division G6] In a display device (Divisions G4-G6) coaxial discs 36, 42 are rotatable at different speeds by manually sliding pinion gear 94 along squaresection shaft 92 engage different points along a diameter of radially toothed face gear 56, the shaft 92 driving a disc through gears 98, 76, 74, 48.
Patent GB-463576-A (GB)
Abstract: 463,576. Workmen's time-recorders. GLEDHILL, A. H. Oct. 25, 1935, No. 29455. [Class 106 (iv)] The clock A of a workmen's time-recor. der is situated below the time-printing wheels E and is connected to them by a shaft C. The wheels E are in front of the card sheath F, so that the time is printed on that side of the card facing the operator. The operating lever G is connected to the impression mechanism by a crank J and links, K, L. The wheels E are held during printing by known means operated by a rod P.
Patent GB-1474430-A (GB)
Title: Apparatus for removing impurities from fibrous material
IPC: D01H4/36
Filed: 1974-10-28
Abstract: 1474430 Dirt separation in open-end spinning F STAHLECKER and H STAHLECKER 28 Oct 1974 [9 Nov 1973] 46503/74 Headings DID and DIN  A fiber separating apparatus in an open-end spinning machine has a housing with an opening 9 communicating with ambient atmosphere for removal of impurities which overlies a conveying means 12 external of and spaced from said housing, guide surfaces 13, 23, 35 being provided between the opening and the conveyor. The body of the separating apparatus is arranged either to swing away from the open-end spinning rotor Fig. 1 or to be demountable Fig. 2. The guide surfaces can be integral with the separating apparatus body, attached thereto or attached to a conveyor belt guide, Fig. 5. A brush 38 may be provided on the conveyor to remove debris clinging to the opening 9, Fig. 5. Impurities carried away by the conveyor are exhausted at 39, scraped off at 43 or brushed off at 40, Fig. 6. Transverse guides may be provided over the conveyor to push impurities to the centre. The conveyor belt may have longitudinal ribs or turned up edges. The said guide surfaces may be provided by an elastic tube around the opening 9, Fig. 3 (not shown). Specification 1474429 is referred to.
Patent GB-1191229-A (GB)
Title: Activated Titania-Alumina Compositions and preparation thereof
IPC: C08F4/18
Filed: 1968-10-01
Abstract: 1,191,229. Polymerisation catalysts. E.I. DU PONT DE NEMOURS & GO. 1 Oct., 1968 [3 Oct., 1967], No. 36570/68. Heading B1E. [Also in Division C3] A TiO 2 ) . Al 2 O 3  catalyst is prepared by coprecipitating a mixture comprising Ti and Al oxides and or hydroxides in which the gramatomic ratio of Ti to Al is from 20:1 to 1:20 and heating the coprecipitate (i) at 500‹ to 1000‹C in a vacuum or in the presence of, N 2 , Air, O 2 , Ar, CO 2 , CO, Ne or He (ii) in the presence of an alkali metal or alkaline earth metal having an atomic number of from 3 to 56 at at least 300‹C. or (iii) in the presence of H 2  at at least 400‹C., or under a combination of conditions (i), (ii) and (iii). The activated TiO 2  . Al 2 O 3  composition may have the formula (TiO 2 ) n  . Al 2 O 3  where n is 0.1-40. Catalyst precursors include Ti and Al alkoxides (preferred) dissolved in water-soluble alcohols, or nitrates, halides or acid salts dissolved in acid solution. The catalyst may also contain P 2 O 5 , SiO 2  and Al 2 O 3  (the latter as solid catalyst support either in granular or honey-comb shaped form). Specified alkali or alkaline earth metals are Li, Na, K, Rb, Cs, Mg, Ca and Sr. The catalyst generally has a surface area of 50-400 M<SP>2</SP>/g.
Patent GB-1494711-A (GB)
Title: Cinematographic film viewer
IPC: G03B21/38
Filed: 1975-11-12
Abstract: 1494711 Cinematograph viewer EVERLASTING CREATIONS Ltd 12 Nov 1975 46686/75 Heading G2E A cinematograph viewer has a delay device which causes the film to pause temporarily with each frame aligned in the viewing aperture; two guide walls for the film, one fixed and one movable, define a narrow space in the loading position and a wider space in the viewing position, and a further guide-member holds the film away from the delay device in the loading position and allows it to make contact in the viewing position. There are in fact two fixed guide walls 25, 26, and two movable guide walls 27, 28. The latter form part of a plate pivoted at 55 (Fig. 15). The plate has a pin and slot linkage with a lever 30 pivoted at 30a. Figs. 9 and 15 show the plate pivoted so that there is only a narrow space between guides 25, 27 and between guides 26, 28. This is the loading or threading position. The film 49 enters between guides 17, 18, is carried between a guide 24 and a drive sprocket 22, then between guides 26, 28 to the film gate 29. From here it is guided by a plate 37 to pass round a roller 21 and between guides 25, 27 to the drive sprocket again, and thence between guides 16, 17 to a take-up spool. To change over to the viewing position, lever 30 is pivoted clockwise, which draws the guides 27, 28 down into the viewing position of Fig. 14 (not shown) and Fig. 9, the pairs of guides 25, 27 and 26, 28 now being more widely spaced apart. The film is now viewed, as shown in Fig. 8, through an eye-piece 15. The delay device comprises a pin 33 mounted on the film gate 29, and which is also coupled to the lever 30. In the viewing position the pin is in contact with the film, and engages in the perforations in the film sufficiently to cause the film to halt temporarily with each frame aligned with the viewing aperture Fig. 16 (not shown). Tension therefore increases in the film, and the roller 21, which is on a movable bearing, moves from the dotted line position to the full line position (Fig. 17). This draws the film away from pin 33, so that the film is released for further movement and roller 21 returns to its original dotted line position.
Patent GB-1091268-A (GB)
Title: Temperature-measuring devices
IPC: G01K13/02
Filed: 1966-10-19
Abstract: 1,091,268. Thermometers. SULZER BROS. Ltd. Oct.19, 1966 [Oct. 22, 1965], No.46770/66. Heading G1D. A device for measuring the temperature of a medium flowing through a pipe 11 comprises a chamber 18 extending circumferentially round the pipe, the chamber being filled with a liquid, vapour or gas and connected by a spigot 20 to an indicator 21 sensitive to changes in the pressure of volume of the chamber filling substance. The surface area of the part of the pipe wall bounding the chamber 18 is Increased by the provision of grooves 19 to improve heat transfer and the outer wall of the chamber is formed by a sheet metal member 16 brazed, or welded or soldered to the pipe 11. Thermal insulation 22 is provided surrounding the chamber 18. In alternative constructions the chamber 18 could be a cavity cast in the wall of the pipe and the spigot 20 may be replaced by capillary tubing to enable remote temperature indication to be effected.
Patent GB-1491001-A (GB)
Title: Diaphragm-controlled pressure-relief valve
IPC: F16K17/08
Filed: 1974-10-30
Abstract: 1491001 Valves ROBERT BOSCH GmbH 30 Oct 1974 [31 Oct 1973] 46904/74 Heading F2V A pressure-relief valve has a ball closure 10 rotatably mounted in a holder 9 secured to an actuating diaphragm. The centre of the closure is slightly below the plane of connection between the lower surface of the diaphragm and the holder so that appreciable lateral displacement of the centre does not occur if the holder tilts. 1491041 Pipe bends HOECHST AG 21 Oct 1974 [24 Oct 1973] 45382/74 Heading F2G [Also in Division B5] A one-piece plastics pipe-bend 10<SP>1</SP> in the shape of a portion of a hollow ring is open or overlapping along its innermost arc, the pipe bend 10<SP>1</SP> having been formed by bending from an inherently dimensionally stable shell-type body 10 having no re-entrant curves, the pipe bend 10<SP>1</SP> also being inherently dimensionally stable in its bend conformation. Thus though the forms 10, 101 may be interconverted, neither form tends to change shape by itself. The shelltype body 10 is made from plastics film by deep-drawing or by blow molding, and sufficient stability is conferred upon it in the bend state 10<SP>1</SP> by thermal treatment of the material in that conformation. Alternatively a complete torus may be manufactured and then divided into segments 10<SP>1</SP>, which are opened out and heattreated in the shell-type form 10. To increase stability in the bend state 10<SP>1</SP> corrugation 14 may be provided extending along the outermost arc of the ring in the bend conformation 10<SP>1</SP>, or the body 10 may be formed in such a shape that its corresponding bend state 101 has at least the mid-portions of its outermost and innermost arcs on different centres of curvature, preferably such that the radial distance between the arcs is less at the mid-portion of the bend than at the ends. Extended areas 12 of the body 10 provide for overlap along the innermost arc of the bend 10<SP>1</SP> where engaging means such as complementary notches or press studs may be utilized.
Patent GB-1078466-A (GB)
Title: Manufacture of semiconductor devices
Inventor: BATDORF ROBERT LUDWIG
IPC: H01L29/868
Filed: 1964-11-18
Abstract: 1,078,466. Semi - conductor devices. WESTERN ELECTRIC CO. Inc. Nov. 18, 1964 [Dec. 19, 1963], No. 46905/64. Heading H1K. A semi-conductor device such as an avalanche diode is produced by copper displacement plating a cleaned semi-conductor body, removing the plating with nitric acid, vacuum diffusing in an impurity to form a PN or resistivity junction, masking and etching to form mesas and finally cleaning; the process avoids irregularities due to microplasmas in the crystal structure. In an embodiment, a slice 11 of # (weak P-type) silicon is processed as follows: cleaned by ultrasonic shaking in three successive changes of trichlorethylene and methyl alcohol; boiled in water, hydrogen peroxide and ammonium hydroxide; plated with copper in a copper displacement bath of copper sulphate and hydrofluoric acid; copper removed by bathing in nitric acid; boiled twice in nitric acid; rinsed in de-ionized water; etched in nitric acid and hydrofluoric acid in a beaker swirled in a water bath; rinsed; ultrasonic shaking in ammonium hydroxide and de-ionized water; placed in tantalum bucket and subjected to gallium (or other impurity such as arsenic or phosphorus) vapour to form thin P layer by diffusion; masked with wax and etched in nitric acid and hydrofluoric acid to form mesas. Negative resistance diodes with a guard ring may be produced by continuing the process as follows: rinsed ultrasonically in water and trichlorethylene; boiled in water, hydrogen peroxide and ammonium hydroxide; rinsed; subjected to hydrofluoric acid; rinsed; ultrasonically shaken in ammonium hydroxide; rinsed; diffused in vacuo with vapour at 1250 C. from arsenic oxide source to produce N-type layer; masked with wax; etched in C.P.4. This produces a microplasma-free structure as shown in Fig. 1e, which may be cut to provide individual diodes.
Patent GB-1059427-A (GB)
Title: Improvements in horizontal box formers
IPC: B31B3/46
Filed: 1965-11-08
Abstract: 1,059,427. Feeding sheets. KLIKLOK CORPORATION. Nov. 8, 1965 [Nov. 10, 1964], No. 47314/65. Heading B6B. [Also in Division B5] In a machine for folding-up blanks B to make boxes (see Division B5), a device for feeding slotted blanks one at a time from a magazine comprises a pair of suction cups 48 carried upon arms secured to a cross-bar 51. Links 58 at the ends of the cross-bar 51 are connected to a parallel cross-bar, and each carry at their ends rollers 52, 57 running up and down a vertical track 53. The upper end of the vertical track 53 is curved over to the horizontal. Parallel to the vertical track 53 is a second vertical track 63, engaged by a roller 62 on an arm 60 secured to the cross-bar 51. An electric motor shaft (92), Fig. 6 (not shown), drives through a crank (85) and a slide block (87) to a lever (86) fulcrummed at (88) on the machine frame. The end of the lever (86) is connected through a link (90) and a lever (89) to a shaft (91), accordingly oscillated back-andforth, and carrying a fast lever (76) having at its end a push-rod 59, Fig. 1, whose up-and-down movement slides the carriage 51 and the suckers 48 &c. to carry the blanks. The upper curved end of the vertical track 53 tilts the carriage 51 &c. so as to engage the suckers 48 with a blank B in the magazine. When the push-rod 59 moves downwardly, the curved track pulls the suckers 48, with the attached blank B, out of the magazine, away from blank supports 14 . . . 16. The blank B is then traversed downwardly onto a stop (83), Fig. 2 (not shown). Vacuum is applied to the suckers 48, Fig. 1, through a pips 69 from a valve (67), Fig. 2 (not shown), connected to a pipe (80). The valve (67) can be vented to the atmosphere by manual actuation of a control (79), to prevent feeding of the blanks. The pipe (80) is connected through a valve (73), Fig. 7 (not shown), to a pipe (71) and a suction pump (72). Two flaps (74), secured to the oscillating lever (76) driving the push-rod (59), reciprocating the sucker carriage, coact with the valve (73) to open it to vacuum when the carriage is moved downwards, thus energizing the suckers (48) to attach themselves to a blank, and venting the valve (73) when the carriage has reached the bottom of its travel, thus releasing the suckers from the blank, which is left upon the stop (83). Venting of the suckers (48) &c. during a feeding oparation is automatically prevented by an interlock, as described in Specification 987,711. When the cross-bar (51) &c. has returned to its upper position, a plunger (46), Fig. 2 (not shown), advances horizontally to remove the blank from the stop (83) and force it through a boxmaking die.
Patent GB-1583795-A (GB)
Title: Watersoluble or -dispersible polyurethanes and their use in a wet-treatment process for textile materials
IPC: D06M101/16
Filed: 1977-11-15
Abstract: Water-soluble or water-dispersible polyurethanes that are obtained by reacting p mol of the polyhydroxy compound <IMAGE>  with r mol of polyisocyanate <IMAGE> are used as lubricants in the wet processing of textile material, in particular for the purpose of reducing creases; new polyurethanes suitable for said use are prepared from p mol of <IMAGE> or <IMAGE> and q mol of <IMAGE>. The meanings of the symbols in the formulae are discernible from Claims 1 and 3.
Patent GB-1104109-A (GB)
Title: Hold-down clamp assembly
IPC: B25B5/14
Filed: 1965-11-10
Abstract: 1,104,109. Drilling. L. KLEIN. 10 Nov., 1965 [2 Dec., 1964], No. 47722/65. Heading B3C. [Also in Division B5] A clamp for applying hold-down pressure to a workpiece 14 on a working surface 11 during a drilling operation comprises a base mounting member 19 adapted to be attached to the working surface, an elongated pressure beam 24 adjustably mounted on the base mounting member, a gripping block 35 mounted on one end of the pressure beam and having a bore therein for receiving the spindle 36, Fig. 4, of a work clamping assembly 35, a bearing contact sleeve 37 in coaxial surrounding relation to the spindle and disposed between the spindle and the inner surface of the bore 39, a plurality of bearing members 41 carried by the sleeve in circumferentially spaced bearing relation between the spindle and a flared portion 40 of the bore, and resilient means 42 acting between the sleeve and gripping block to bias the flared portion against the bearing members to press them against the spindle. The base mounting member 19 is secured by a screw 22 to the table and carries an upstanding post 20 on which is a clamp 21 for the pressure beams 24. One end of the beam carries the gripping block 35 in which the sleeve 37 is mounted, the sleeve having apertures for locating the bearing members which are in the form of balls 41, a spring 42 acting on the sleeve to urge the balls against the flared portion 40 of the block and against the spindle 36 which is located in the sleeve to lock the spindle in its adjusted position. The lower end of the spindle supports a holddown shoe 49, Fig. 7 (not shown), which is carried by a pin 50 engaging a slot 58 in the bifurcated end of the spindle and can be urged downwardly to engage a workpiece by a lever 48 formed with a cam surface 56 engaging the shoe. In operation, the clamp 21 is released to permit adjustment of the position of the clamping assembly 35 over the workpiece and retightened. The spindle 35 can be moved downwardly by applying pressure to a cap 46 on the upper end of the spindle so that the shoe engages the workpiece, the balls permitting downward movement of the spindle but resisting upward movement until the sleeve 37 is lowered relative to the gripping block. Increased pressure of the shoe against the workpiece may be obtained by deflecting the beam upwardly by pulling the gripping block 35 upwardly as the spindle is pressed downwardly. Still further pressure may be applied by movement of the lever 47 causing the cam surface 56 to press the shoe 49 downwardly relative to the spindle 36. Springs may be disposed in the slots 58 to urge the shoe to its upper position. The sleeve 37 may be moved to release the balls 41 by manual pressure or by a cam acting on a flange 44 of the sleeve. The shoe member may be flat, as shown, or have an inverted V configuration for holding rods, have a pointed shape to effect centring of a workpiece, or have a roller surface for guiding moving material.
Patent GB-1521268-A (GB)
Title: Distance detecting apparatus
IPC: G03B13/36
Filed: 1975-11-20
Abstract: 1521268 Automatic focusing HONEYWELL Inc 20 Nov 1975 [4 Dec 1974] 47730/75 Heading H4D In the automatic focusing system described with reference to Fig. 1 of Specification 1,448,424, the inputs A, B, C, D to the signal processor 39, Fig. 1, being the difference between the outputs of corresponding detectors in the two arrays 1, 3, are affected by the average intensity of the images. To overcome this it is proposed to use the ratio of said corresponding detector outputs. A diode 197, 199 &c., or other suitable non-linear element is connected across the output of each detector whereby the input to the differential amplifier becomes the logarithm of the detector output, subtraction of logarithm inputs giving the logarithm of the ratio at the output A &c.
Patent GB-1275509-A (GB)
Title: Stabilization of acrylonitrile fibers to hot-wet creep
Inventor: BALL CHARLES ALEXANDER
IPC: D01F6/18
Filed: 1970-10-07
Abstract: 1275509 Treating polyacrylonitrile fibres AMERICAN CYANAMID CO 7 Oct 1970 [8 Jan 1970] 47763/70 Heading B5B A process for improving the dimensional stability under hot, humid conditions of oriented and dried fibres which have been wetspun, from a solution of a polymer containing at least 95% by weight acrylonitrile and not more than 5% by weight of one or more ethanoid monomers containing a CH 2  = C = radical which is copolymerizable with acrylonitrile, into an aqueous coagulant comprises heating the fibres, after drying and in a substantially tensionless state, with wet steam under pressure to a temperature above 100‹ C. but below that where said fibres shrink until the tendency of the fibres to creep is reduced. Suitable comonomers are methyl acrylate, vinyl acetate and methyl methacrylate, a copolymer comprising 95% by weight acrylonitrile and 5% by weight methyl acrylate being preferred. Where the fibres are prepared from a homopolymer of acrylonitrile the preferred temperature range of steam treatment is from 100‹ to 160‹ C., with copolymer fibres, the preferred range is from 100‹ C. to less than 150‹ C. In examples solutions containing a homopolymer of acrylonitrile or a copolymer containing 95À7% acrylonitrile and 4À3% by weight methyl acrylate in sodium thiocyanate are extruded into an aqueous coagulating bath containing NaSCN, stretched in air, washed with water, further stretched in hot water, relaxed by immersion in water at between 85‹ and 98‹ C. and finally dried in an oven at 127‹ C. when further relaxation occurs. The dried fibres are then placed in an autoclave and heated for periods of up to 20 minutes with pressurized steam to temperatures within the preferred ranges. Fibres so treated show less tendency to "creep" under hot-wet conditions than untreated fibres.
Patent GB-1484151-A (GB)
Title: Polyamide resin containing a flameproofing agent
IPC: C08L77/00
Filed: 1974-11-05
Abstract: 1484151 Flame-resistant polyamide compositions MITSUBISHI CHEMICAL INDUSTRIES Ltd 5 Nov 1974 [14 Jan 1974 1 Oct 1974] 47818/74 Heading C3R A composition comprises a polyamide and, as flameproofing agent where R, R<SP>1</SP>, and R<SP>11</SP> are H or C 1-3  alkyl.