baber/WOPTO huggingface dataset:
Patent GB-1245934-A (GB)
Title: Vapour generator
IPC: F22B35/14
Filed: 1968-10-09
Abstract: 1,245,934. Steam generators. FOSTER WHEELER CORP. 9 Oct., 1968 [11 Oct.. 1967], No. 47914/68. Heading F4A. The invention relates to a once-through vapour generator which supplies superheated vapour to a turbine unit, the invention being concerned with the method of start-up of the generator. The steam generator shown comprises steam generating tube sections, a primary superheater 32 which is disposed in a relatively cool part of the furnace, and second and third superheater sections 28, 30 which are disposed in high temperature parts of the furnace. Steam passes from the steam generating sections to header 46 thence through lines 48 to inlet header 50 of the first superheater section 32 to the outlet header 52. The steam then passes through line 54 to inlet header 56 of the second superheater 28 to the header 58 thence through the third stage superheater 30 to the outlet header 60. The steam then flows through line 62 to the HP turbine 64, through the reheater 34 to the LP turbine 66. The condensate passes through feed heaters to the economizer 36 which is disposed at a relatively low temperature part of the furnace. The interstage reheater 34 is also disposed in this part of the furnace. Pressure reducing valves 94 are disposed in the lines 48 between the header 46 and the inlet header 50 of the first stage superheater 32; also a stop valve 97 is disposed in the line 54 between the outlet header 52 of the superheater 32 and the inlet header 56 of the second superheater 28. A by-pass system 80 is provided and comprises a line 82 connected to point 83 of line 54, the line 82 being connected through stop valve 96 to a flash tank 84. The steam and water lines from the flash tank are connected through valves to the high pressure feed water heaters, the steam line also being connected through line 86 and valve 98 to a point 88 in the line 54 downstream of the stop valve 97. At start-up the stop valve 97 is closed and the reducing valves 94 are operative so steam at reduced pressure passes through the first stage superheater 32, the steam then passing through the by-pass line 82 to the flash tank 84 where steam flashes off, the steam passing through line 90 to the feed water heaters and the water passing through line 92 also to the feed water heaters.- The line 90 is then shut-off and the steam passed through lines 86 and 54 to the second stage superheater 28, then through the third stage superheater 30, through the line 62 to the turbine. The stop valve 97 is then opened so that the by-pass system 80 is cut out and the steam follows its normal course, the reducing valves 94 being rendered inoperative.
Patent GB-1424480-A (GB)
Title: False twist texturizing device
IPC: D02G1/08
Filed: 1973-10-16
Abstract: 1424480 False twisting FRATELLI MARZOLI & C SpA 16 Oct 1973 [31 Oct 1972] 48210/73 Heading D1D Yarn is false-twisted by contact with the peripheries of successive, rotating, parallel discs which are rotated by at least one friction-drive cylinder. Yarn 2 is false-twisted by discs 30, 31, 32 rotated by cylinder 45. The discs and guiderings 39-42 are mounted on arms 22, 23, 28, 29 whose rotational and axial position on columns 16, 17 is adjustable. Each ring is mounted on a bush 36 whose rotational and axial position on a pivot 35 is adjustable. Pivot supports 34 may be adjustably positioned along the arms, and columns 16, 17 may be adjustably positioned along plate 13. The discsupporting arms are biassed by springs to urge the discs against the cylinder.
Patent GB-1451790-A (GB)
Title: Electrophotographic recording
IPC: G03G13/054
Filed: 1973-10-16
Abstract: 1451790 Electro-photographic processes using x-rays SIEMENS Ag 16 Oct 1973 [16 Oct 1972] 48229/73 Heading G2H [ Also in Division C7] A xeroradiographic process comprises negatively charging a member comprising a conductive support having thereon a layer of Se containing 0À01 -1 atomic per-cent As, imagewise exposing to x-rays and then developing the image.
Patent GB-1403718-A (GB)
Title: Conveying sheet material
IPC: B65H29/58
Filed: 1971-10-19
Abstract: 1403718 Cutting and transferring glass sheets PILKINGTON BROS Ltd and R F BERRY 13 Oct 1972 [19 Oct 1971] 48653/71 Heading C1M [Also in Division B8] To effect a sideways shift of a forwardly travelling glass sheet, apparatus comprises a conveyer for conveying the sheet lying substantially horizontally, support means in the conveying path adapted to provide a gas cushion on which the sheet is supported while passing over the support means, tilting means selectively operable to tilt the support means in a direction transverse to the conveying path to move the support means between a horizontal position coplanar with the conveyer and a position inclined to the horizontal and datum means to arrest lateral movement of the sheet in the transverse direction. As shown in Figs. 1 and 3, a roller conveyer is in three sections 11a, 116, lie with driven rollers 12, 14, 12 respectively with spaced tyres 13. The rollers 14 extend only halfway across the conveyer and an air-box 15 is provided in the other half, the air-box having gas outlet passages 24 in the upper wall of the box and compressed air provided to four separate sections through inlet pipes (29). Alongside the edge 17 of the air-box 15 is a conveyer belt 18 with inner run projecting above the upper wall of the box to act as datum means. Upstream of the air-box 15 is a light source and detector 22 and reflector 23 used to indicate the presence of a glass sheet 43 on the line 44 and thereby operate a pneumatic jack device 31 to pivot the air-box 15 about the upper corner 30 adjacent the conveyer 18 by about 5 degrees. The jack 31 is mounted on a rigid support 32 and its piston-rod 33 acts through a pivoted arm 34 to raise or lower a rod 35 connected to the inner edge 16 of the box 15. Air inlet pipes 36, 37 each have a regulator 38 connected to air source 40 through a solenoid valve 39 connected via control lines 41, 42 and time control unit 46 to the sheet detector 22. In use, two glass sheets travelling side-by-side on conveyer 11a after splitting of a larger sheet are separated, the sheet 43 travelling on the line 44, due to tilting of air box 15, to the position 45 where it passes to the section 11c, the other sheet travelling on conveyer section 11b to 11c. To give larger separation, air-boxes may be provided for both sheets, each being tilted towards its own outer edge and datum conveyer. The optical detector may be replaced by a mechanical device such as a spring loaded finger to detect the leading and/or trailing edge of successive sheets. In place of the vertical gas outlet passages 24, the passages may be at an angle of about 30 degrees to the upper wall urging the sheet towards the conveyer 18. Specifications 1,403,717 and 1,403,719 are referred to.
Patent GB-1411808-A (GB)
Title: Diacylapomorphines
IPC: C07D221/18
Filed: 1972-10-23
Abstract: 1411808 Diacyl-apomorphines SCHERING AG 23 Oct 1972 [26 Oct 1971] 48691/72 Heading C2C The invention comprises compounds of the general formula in which R<SP>1</SP> and R<SP>2</SP> are identical and each represents a carboxylic acyl group containing up to 17 carbon atoms, with the proviso that they do not represent acetyl or benzoyl groups, and acid addition salts thereof. They may be prepared by acylating apomorphine in known manner and, if desired, converting the product to an acid addition salt. Examples are given of the preparation of compounds of the above formula in which the groups R<SP>1</SP> and R<SP>2</SP> represent acetyl, isobutyl, propionyl, cyclopropanoyl, nbutynyl, pivalyl, valeryl, n-captonyl, hexadecanoyl, phenylacetyl, 3,4-dimethoxybenzoyl, 3,4,5 - trimethoxybenzoyl, 4 - chlorobenzoyl, 3 - pyridoyl, 4 - pyridoxyl, 2 - thenoyl, cyclobutanoyl, cyclopentanoyl, formyl, adamantoyl, methoxyacetyl and 4-dimethylaminobenzoyl and also of di-n-butyryl-apomorphine hydrogen tartrate. The products may be used as active ingredients in pharmaceutical compositions which may be formulated as tablets, dragees, capsules, pills, solutions or suspensions.
Patent GB-1159134-A (GB)
Title: High-capacity Air-cooled Heat Exchanger
Inventor: SCHOLL GUNTER
IPC: F28F1/02
Filed: 1966-10-31
Abstract: 1,159,134. Air-cooled heat exchangers. G. SCHÍLL. 31 Oct., 1966 [5 Nov., 1965], No. 48720/66. Heading F4S. [Also in Division F1] In an air-cooled heat exchanger unit, the cooling air is induced by an annular impeller 2 to flow over heat-exchanging elements 1 through which the fluid medium to be cooled is conducted. The exchanger shown comprises a ring of hollow heat-exchanging elements 1 extending horizontally between circular inlet and outlet header ducts 1<SP>1</SP> and 1<SP>11</SP> respectively. The annular impeller 2 consists of a plurality of blades mounted between concentric circular rails 3 of different diameters which are supported on a plurality of rollers 4 mounted in fixed positions in a circular configuration. Electric motors 5 drive some of said rollers, thus imparting circular motion to the impeller 2. The exchanger unit is mounted on posts 6. In a second embodiment (Fig. 2) the exchanger elements extend between the headers 1<SP>1</SP>, 1<SP>11</SP> which are mounted one above the other vertically, the impeller 2 being disposed both coaxially with and externally of but adjacent to said exchanger. The heat-exchanging elements (Figs. 3 to 5) may be hollow vanes with either substantially flat-sided box-shaped X-section with internal bracing members (13), (Fig. 3). Corrugated bracing elements may be inserted between adjacent box-shaped elements. Alternatively, each element may be of cellular structure formed from corrugated plates (Fig. 4). Each element is curved at the end (11) adjacent to the impeller 2 to guide the air between adjacent elements and is tapered at the opposite end (12) to reduce the speed of the air stream as it leaves the heat exchanger. An alternative form of heat exchanger (Fig. 5) comprises two rows of crescentshaped hollow vanes (10) disposed downstream of the fan and a row of guide blades (14) disposed above said vanes in the air stream downstream of said vanes. A power plant may be located inside the annular heat exchanger assembly.
Patent GB-1081559-A (GB)
Title: A process for the separation of iron from metal sulphate solutions and a hydrometallurgic process for the production of zinc
IPC: C22B3/00
Filed: 1965-11-19
Abstract: Iron impurities are separated from a metal sulphate solution, particularly zinc sulphate-containing solutions having an Fe content of 20-35 g./l., by precipitation as a complexed basic sulphate in the presence of K+, Na+ and/or NH4+ ions, preferably in a concentration of 1/10 -\ba1/4 of the Fe present in g./l.  The process of the invention may be used in a hydrometallurgic process for zinc production with high recovery of Zn, Cd, Cn, Pb and Ag; the ore is subjected to leaching with H2SO4 under such conditions of pH and temperature that a minor proportion only of the Fe is dissolved, the solution being subjected to an electrolysis for the recovery of the major proportion of the Zn after which the residue is subjected to an acid leaching with spent electrolyte and conc. H2SO4, neutralized, the Pb and Ag-containing residue removed and the pH brought to a maximum of 1.5 for the precipitation of complexed basic iron sulphate in the presence of K+, Na+ and/or NH4+ ions.
Patent GB-1021357-A (GB)
Title: A device for holding bobbins
Inventor: KANT RUDOLF
IPC: H01F41/06
Filed: 1964-12-05
Abstract: 1,021,357. Winding bobbin. ELEKTROMAT VEB. Dec. 5,1964, No. 49581/64. Heading D1J. A bobbin holding device comprises a frame 1, a member 2 horizontally slidable in the frame 1 and having a socket for the selectable insertion therein of a peg 5 for carrying the bobbin to be wound, and a lever 4 for consecutively displacing the member 2 into positions in which adjacent areas of the bobbin are consecutively presented to a winding device. The device is particularly suitable for winding chamber bobbins and yielding arresting means 9 may be provided to locate the member 2 in predetermined positions. The lever 4 is pivotable about a fulcrum 6 that is adjustable along a slot 8.
Patent GB-1457835-A (GB)
Title: Formation of surface layer casings on articles
IPC: B23K26/00
Filed: 1974-11-19
Abstract: In order to form an alloyed surface layer of a metal substrate (10), the metal surface to be treated has applied thereto a layer consisting of one or more alloy components in powdered form. Then the surface is swept by a continuously excited laser beam (18) which causes the layer, together with a defined depth range of the metal substrate, to melt. As a result of the temperature gradient and a pressure wave caused by the high energy input, the melt is mixed. The treated zone then solidifies, and an alloy layer of a predefinable depth is produced which over its whole depth has essentially the same composition and the same properties. Thus it is possible to prevent the formation of an undesirable two-layered surface structure during surface-alloying. <IMAGE>
Patent GB-1073818-A (GB)
Title: Card feeding mechanism
IPC: G06K13/103
Filed: 1965-11-25
Abstract: 1,073,818. Feeding cards. INTERNATIONAL BUSINESS MACHINES CORPORATION. Nov. 25, 1965 [Dec. 24, 1964], No. 50107/65. Heading B8S. Cards are discharged one by one from the bottom of hopper 10 by picker 24 which pivots at 31 and is operated via cams 27 and 28 by rollers 29. Picker 24 reciprocates in such a way that a second card is fed towards rollers 17 (with the aid of roller 16) before the first card has left the hopper so as to overlap the cards. As the overlap approaches the gap 20, lever 35 is operated by a cam to raise the throat blade 18 to permit the passage of the overlap. In this way the cards are discharged in overlapping pairs.
Patent GB-1325240-A (GB)
Title: Portable rock drill
IPC: E21B15/04
Filed: 1971-11-01
Abstract: 1325240 Rock drills GARDNER-DENVER CO 1 Nov 1971 [4 May 1971] 50593/71 Heading B3C [Also in Divisions B4 and C3] In a rock drill, a drill support 42 is pivoted to a boom 18, a percussive drill 44 carrying a drill rod is movable on support 42 by a fluid motor 54, hydraulic pistons 48, 36 are adapted to pivot support 42, and control means 66 sense the position of the support and therefore of the drill rod, and actuate the pistons so as tomaintain the attitude of the drill rod in a required direction. Boom 18 is adapted to be pivoted about two axes 22, 24, on a frame 16, by hydraulic pistons 26, 28, and frame 16 is pivotally mounted on a crawler undercarriage 12. Control means 66, Fig. 4, comprises a spherical housing 68 pivotally mounted on a bracket 70 at 72, and bolted to support 42, and the pivoting movement is produced by an hydraulic cylinder 80 which is interconnected to an hydraulic cylinder 84. Pivotal movement of boom 18 will displace fluid from either end of cylinder 84 and such fluid will be forced into the corresponding end of cylinder 80 to produce an equal pivotal movement of housing 68. The cylinders 84, 80, are connected to a valve 94. Control means 66 also comprises four ball valves 114a 114b, 114c, 114d, Figs 7, 8, which are adapted to be closed by a pivotally mounted weight 116, operated by gravity, the weight being normally held against pivoting by a piston 130, actuated to release the weight by fluid pressure which enters a chamber 96 through the ball valves. The latter are connected to an air pressure supply 150, Figs. 9, 9A, and also to the ends of control valves 168, 170, these valves leading to hydraulic cylinders 36, 48. In operation, with control means 66 in the Fig. 3 position, if support 42 is swung out of the vertical, weight 116 will tilt to engage and close ball valve 114a, Fig. 9, thereby causing a pressure increase to conduit 144a, and valve 168 moves to position a. Fluid pressure is supplied to the rod end of cylinder 48 causing support 42 to move about pivot 46 into the vertical position, whereupon the gravitational force on weight 116 causes it to resume the Fig. 7 position with the valve 168 moving to the position c. In a similar manner, if the support 42 is pivoted about axis 38, Fig. 9, the control means would operate cylinder 36 to move the support back to the vertical position. The alignment of control means 66 with the centre line 108, Fig. 8, when boom 18 is pivoted about axis 22, Fig. 1A, is maintained by the circuit including cylinders 80, 84, Fig. 4. The control valves can be actuated manually when initially setting the axis of the drill rod.
Patent GB-1500409-A (GB)
Title: Coated sutures
IPC: A61L17/14
Filed: 1975-12-10
Abstract: 1500409 Coated sutures ETHICON INC 10 Dec 1975 50610/75 Heading A5E A surgical aid is coated with an ionic block elastomer of the formula: wherein R is C 1-15  alkylene, R 2  is C 1-6  alkylene, R 3 , R 4  and R 5  are H or C 1-6  alkyl, R 1  is a liquid prepolymer having a molecular weight from 1000 - 3000 selected from polyethers, silicones, polyurethanes and polyamides: Z and Y are selected from hydroxyl and isocyanate groups, ZY being the urethane residue of the condensation of Z and Y; n is an integer 10-1,000; B - is an anionic polymer and X is an anionic or cationic antimicrobial compound or dye group. The surgical aid may be e.g. a wound dressing of suture of polyester, polypropylene, silk, cotton or linen coated with the elastomeric co-polymer using preferably heparin polystyrene sulphonate or a polyacrylate as the polyanionic polymer. Numerous antibiotics are specified as suitable antimicrobial compounds.
Patent GB-1333289-A (GB)
Title: Mercury cathode electrolytic cells
IPC: C25B9/14
Filed: 1971-11-02
Abstract: 1333289 Mercury cell ELECTRONOR CORP 2 Nov 1971 [18 Jan 1971] 50908/71 Heading C7B A flowing mercury cathode electrolytic cell has open work anodes separated from the mercury cathode by a gap through which electrolyte flows, some of the anodes having baffles placed upstream to direct the flow of electrolyte through the gap. The baffles may be supported on the anodes, the anode conductor bars or on the cell wall. The bafflers may be vertical or set at an angle to the electrolyte flow. The cell may have a flexible cover supported by the baffles. The anode may be a valve metal coated with a platinum group metal, a platinum group metal oxide or a mixture of the platinum group metal oxide and an oxide of titanium or tantalum. The anodes may be arranged in rows extending across the direction of flow and the baffles may be provided upstream of alternate rows. In the anode of Fig.4 the working face 2 is attached to a lattice of primary conductor bars 4 and secondary conductor bars 3. Current is supplied via lead-ins 5 which may have protective sheaths 7a. The baffle plate 25 has lips 26 for supporting the cell cover. The cell is particularly suited to chlorine manufacture.
Patent GB-1399607-A (GB)
IPC: G01C19/02
Filed: 1971-11-02
Abstract: 1399607 Gyroscope BRITISH AIRCRAFT CORP Ltd 1 Feb 1973 [ 2 Nov 1971] 50988/71 Heading G1A The rotor 1 of a free rotor gyroscope is provided with a pattern of light reflecting and absorbing areas and is monitored by photo-electric apparatus 4, 7, 10 in the region of the initial spin axis YY, the acceleration of the casing of the gyroscope in the direction of this axis being sensed by an accelerometer 13. Accelerometers 14 and 15 may be provided in association with respective further photo-electric pick-off arrangements 5, 8, 11 and 6, 9, 12 monitoring the rotor pattern at orthogonal axis positions ZZ and XX, so that when the photoelectric cell outputs are combined with the  associated accelerometer outputs respective signals resolved into the direction of the rotor axis are provided. A suitable circuit is shown in Fig. 6, applied to the accelerometer 15 and photo-electric pick off arrangement 6, 9, 12. The marle-space ratio of the photo-cell output is indicative of the precession of the rotor from its original position and is used to switch the accelerometer output to charge alternately positively and negatively capacitor 20. By summing the three the resolved acceleration signals and integrating once or twice, respectively, velocity and distance, measurements for the casing of the gyro in direction of the rotor spin axis are obtained. The shape of the rotor pattern is as illustrated and described with respect to Fig. 2 (not shown).
Patent GB-1318906-A (GB)
Title: Micrometer apparatus
IPC: G01B3/18
Filed: 1970-10-27
Abstract: 1318906 Micrometer J MEIER 27 Oct 1970 [27 Oct 1969] 51087/70 Heading G1M A micrometer comprises a hollow cylindrical micrometer head 3 concentric with and with one end within a bore in a cylindrical casing 1, a slider 4 reciprocable but not rotatable within the bore of the head, an actuating member 2 rigidly connected to casing 1 extending through the head 3 and into an opening in the slider 4 to both of which it is connected by threaded portions, 5, 6, the threads having different pitches whereby upon rotation of the casing relative to the head the slider is displaced longitudinally by a distance which is a function of the pitch difference between the first and second threads, a micrometer body 13 adjacent the head having a longitudinal chamber, a gauge pin 12 mounted for longitudinal movement in the chamber, a scale plate 19 carried by the gauge pin within the chamber, a reading marker 21 arranged for movement longitudinally of the scale plate, and means operable by the slider to displace the marker relative to the scale plate. Casing 1 and head 3 carry vernier scales 10, 11. Slider 4 gauge pin 12 and reading marker 21 are biased by springs 9, 17, 23 to reduce backlash in the moving members. Screw 28 adjusts the zero of the verniers. In use gauge pin 12 is retracted from stop face 26 by trigger 14. The piece to be measured is inserted and trigger 14 released. Spring 17 pushing on guide 18 moves pin 12 to contact the workpiece, whereupon screw 15 is used to clamp gauge pin 12. Reading marker 21 is then moved by rotating casing 1 to coincide with the next lower division on scale 19 and the sum of the readings of this next lower division and of the vernier 10, 11 gives the dimension measured. A lens in a housing 27 Fig.3 (not shown) facilitates adjustment of marker 21 on scale 19.