baber/WOPTO huggingface dataset:
Patent GB-1484754-A (GB)
Title: Open water fish farming apparatus
IPC: E02B3/04
Filed: 1975-04-15
Abstract: 1484754 Breakwaters P P PRANIS Jnr 15 April 1975 [13 June 1974] 15488/75 Heading E1H [Also in Division A1] Apparatus for fish farming in open water may function as a breakwater and comprises a plurality of elongated members or pipes e.g. 3 to 14 connected by members 15 into a basic structural unit e.g. cubic or body centred cubic, the units being connected together to give a three-dimensional lattice framework which may be secured to the sea bed. The pipes are preferably of steel or polymeric material. The members 15 comprise substantially spherical body portions 19 with cylindrical protrusions 20 which are solvent welded in the hollow pipes. The pipes are constructed to encourage growth of micro-organisms and fish of various sizes. The pipes 3 to 14 (Fig. 1) have holes at opposite ends of perpendicular cross section diameters, either in the same cross sectional plane or spaced apart. Dividers in the form of plugs holding two pipes together may compartmentalize the pipes. Alternatively the pipes 40 (Fig. 4) may comprise planar elements 41 giving pipes of star-shape cross section. Various combinations of the pipe configurations described give cylindrical pipes with or without vanes extending outwardly from the longitudinal axis, with or without extensions of the vanes providing dividing walls in the interior of the pipes to form compartments and with or without holes in the pipes, in the dividing walls and intersecting the vanes e.g. Fig. 7. The pipes with dividing walls may be formed by extrusion and twisting to give spiral-shaped dividing walls. Alternatively, the pipes may be formed of perpendicular planar elements intersecting to give rectangular or back-to-back E-shape cross sections, with or without further planar elements to give compartments and with or without holes in the planar elements e.g. Fig. 11.
Patent GB-708902-A (GB)
Title: Improvements in and relating to pickers for under-pick looms
IPC: D03D49/36
Filed: 1950-06-22
Abstract: 708,902. Pickers for looms. HARGREAVES, H. June 5, 1951 [June 22, 1950], No. 15559/50. Class 142(2) A picker 9 for an under-pick loom has. a slot 10 at the back to engage the front face and sides of the picking stick 11 and has a clamp or clip passing round the back of the stick securing it in position. The clamp or clip may comprise a flexible metal strip 12 passing through an aperture 15 in the picker and having grooves which are engaged by a screw 13 attached to an end of the strip and driving the ends together thereby clamping the picker to the stick. Alternatively the clamp or clip may comprise a wire 12a bent and coiled so as to permit a nut 17 and bolt 16 to secure the picker 8 to the stick. The picker may be made of rubberized canvas, plastic, a glass fabric, leather, rawhide or any other convenient material.
Patent GB-1130283-A (GB)
Title: Azo dyestuffs and pigments of the acridone series and methods for their manufacture
IPC: C09B35/033
Filed: 1967-04-05
Abstract: 1,130,283. 2 - Acetoacetylamino acridone. FARBWERKE HOECHST A.G. 5 April, 1967 [6 April, 1966], No. 15565/67. Heading C2C. [Also in Division C4] 2-Acetoacetylamino acridone is prepared by (a) reacting 2-amino acridone with diketene in methanol, ethanol or isopropanol or in a mixture thereof with water at 10-80‹ C. at pH 3 to 7, or (b) reacting 2-amino acridone with acetoacetic acid methyl or ethyl esters in chlorobenzene, toluene or xylene in presence of a base, e.g. pyridine or diethylaniline at 60- 120‹ C.
Patent GB-1505321-A (GB)
Title: Process for the nuclear chlorination of xylenols
IPC: C07C37/62
Filed: 1976-04-15
Abstract: 1505321 Chlorination of xylenols SEITETSU KAGAKU CO Ltd 15 April 1976 [31 Oct 1975] 15611/76 Heading C2C Xylenols are chlorinated on tha ring carbon atoms with a chlorinating agent in the presence of from 0À01 to 10% by weight based on the weight of xylenol of a metal chloride catalyst and from 0À001 to 1% by weight based on the weight of the xylenol of at least one sulphur compound, e.g. C 1-15  alkyl mercaptan, a sulphide, dimethylsulphoxide, carbon disulphide, thiourea, thioglycollic acid, L-cysteine, L-cystine, H 2 SO 2 , Na 2 S 2 O 3 , thionyl chloride and antimony sulphide.
Patent GB-489061-A (GB)
Title: Radiator for internal combustion engines
IPC: F28D1/053
Filed: 1937-06-05
Abstract: 489,061. Making radiators. HEISS, P. June 5, 1937, No. 15651. [Classes 83 (ii) and 83 (iv)] [Also in Group XIII] Soldering.-The flat tubes 1 and the fins 2 of an internal-combustion engine radiator core are made from cold-rolled steel strip having a thickness not exceeding 1À2 mm. and, preferably, of 0À1 mm. The tubes are threaded through the flanged apertures punched in the fins and the assembly, after being cleaned with a solution of zinc chloride, is immersed in a bath of zinc to seal the tube seams and the joints between the tubes and the fins.
Patent GB-1507024-A (GB)
Title: Circuit-breakers
IPC: H01H33/915
Filed: 1974-04-09
Abstract: 1507024 Gas blast switches REYROLLE PARSONS Ltd 9 April 1975 [9 April 1974] 15766/74 Heading H1N An interrupter unit 10 in a puffer-type circuit breaker comprises a pair of electrically conducting cylinders 18, 19, which are relatively movable telescopically one within the other, the inner cylinder 19 being movable over a puffer piston 28 which is fixed relative to the outer cylinder 18 and having its inner end wall within the outer cylinder closed, both cylinders carrying at their outer ends nozzles 21, 22 and contacts which co-operate with further contacts 25, 26, each further contact being mounted in a fixed relationship to the cylinder more remote from it, there being an operating mechanism 15 for effecting relative telescoping movement between the cylinders to open and close the circuit breakers. Relative movement of the inner cylinder and the puffer piston creates one arc-extinguishing gas blast and relative movement of the outer cylinder and the closed end wall of the inner cylinder creates another arcextinguishing gas-blast. Two such interrupter units 10 may be incorporated in a circuit breaker in series between terminals 16, supported in SF6 gas in a dead-tank 11 by insulating pillars 17. The operating mechanism is an hydraulic one comprising pistons 34 operating the cylinders via linkages 30, 31, 33. In an alternative arrangement the interrupter units are mounted in live tanks on a post insulator in a Y- or T-shaped configuration, Fig. 2, not shown.
Patent GB-515352-A (GB)
Title: Improvements in or relating to devices for preventing collisions on railways or tramways
IPC: B61L3/06
Filed: 1938-05-26
Abstract: 515,352. Railway signals. LE ROSSIGNOL, A. E. May 26, 1938, No. 15779. [Class 105] The ends of a train are provided at each side with light-sensitive cells .and projectors for giving a horizontal beam of light diverging across the track together with means for cutting one or other out so that at the rear of the train the light beam is projected and at the front the light-sensitive cells are in circuit with train control apparatus. The diverging beam ensures that on curved tracks an overtaking train will be stopped. An infra-red beam may be used and parabolic reflectors may focus the beam on to the cell. Reference has been, directed by the Comptroller to Specifications 8523/05, 11839/13, 322,197, and 328,052, [all in Class 105].
Patent GB-145016-A (GB)
Title: Improvements in connexion with air screws
IPC: B64C27/473
Filed: 1920-06-10
Abstract: 145,016. Hewitt, P. C. June 14, 1919, [Convention date]. Helicopters.-Relates to contrary turning propellers and landing-gear for aircraft, and consists in mounting thin aerofoil propeller blades on girder supporting arms and using pivoted legs respectively. Upper and lower propellers 1, 2 are attached to shafts 3, 4, driven through bevel-gears 10, 11, 12, 14 by two engines 8, 9 mounted on the car 7. Each propeller has girder arms 19, 20. 21, 22, 23, on the outer ends of which are thin aerofoil blades 16, 17, so mounted that the centre of pressure on the blade is in the rear of the centre of support on the girder arm. The landing-gear comprises three pivoted arms, the arm 50 being in front and the other two in the rear. These arms are drawn up horizontally when the machine is in flight, and when let down for landing are braced by toggle arms 56, 57, pivotally attached to them and a centre plate 60. 'Steering-means as described in Specification 145,014 may be employed.
Patent GB-379661-A (GB)
Title: Improvements in or relating to machines for straightening round stock
IPC: B21D3/04
Filed: 1932-06-04
Abstract: 379,661. Straightening tubes &c. by skew-rolling. STIEFEL, R. C., Ellwood City, Pennsylvania, U.S.A. June 4, 1932, No. 15882. Convention date, Aug. 3, 1931. [Class 83 (iv).] Round bars or tubes 5 are straightened in a mill with three skew rolls, two of the rolls being concave in the-middle and the third is similar but has a swelling 11 in the middle. The ends of the roll also form a pass for the bars. The angle of skew, and the radial distance of each roll from the pass axis 4 are adjustable.
Patent GB-119733-A (GB)
Title: Improved Automobile Tractor.
Inventor: BENDER HENRI
IPC: A01B71/06
Filed: 1917-11-03
Abstract: 119,733. Bender, H. Nov. 3, 1917. Traction engines, internal-combution engine.- A motor-tractor comprises a frame 1 on which an engine 2 and change-speed gear 3 are mounted and front driving-wheels 6 which can be swung on a vertical axis tu reverse the direction of motion of the tractor. The rear of the tractor is carried on spring - mounted castor wheels 4 which can be locked by pins 31a. The front wheels are driven by bevel-gear from a vertical shaft having a universal joint and the axle is provided with a circular disk 11 bearing on a disk 10 carried by springs on the main frame. Steering is effected by means of a hand-operated vertical shaft 29a having a pinion wheel in mesh with an internal gear on the disk 11.
Patent GB-664805-A (GB)
Title: Electric circuit-condition indicators
Inventor: WHATLING CHRISTOPHER ADOLPHUS
IPC: H02H3/04
Filed: 1949-06-17
Abstract: 664,805. Self-contained supply systems. C.A.V., Ltd. May 26, 1950 [June 17, 1949], No. 16163/49. Class 38 (iv). Variable-speed generators, with.-In a dynamo - battery system used, for example, on motor vehicles and in which a cut-out g and fuse d are included between the dynamo c and battery b the usual indicator light a is connected at one end between a battery terminal and the fuse and at the other end to two resistances e, f which are connected at the other ends respectively between the fuse and cut-out, and the cut-out and dynamo. The resistances have such values that the lamp indicates when either the fuse blows, or the cut-out is open or when both conditions exist. Any other suitable indicator may be used in place of the light.
Patent GB-240557-A (GB)
Title: Improvements relating to winding machines particularly for coils of wire
IPC: B65H54/28
Filed: 1924-07-05
Abstract: 240,557. Holden, Sir H. C. July 5, 1924. Winding-machines; creel arrangements; tension arrangements; thread guides.-In a machine for winding wire or the like of the kind wherein the material passes around and rotates a guide wheel mounted on a stationary screw to effect the traverse, the guide wheel I is stepped and engages a fine screw H on a rod G, and the wire is passed in the reverse direction therearound at the end of each traverse. The rod G is carried by a tube G<1> mounted in a sleeve J, so that it may be bodily moved therein against a spring G<5> when it is desired to remove the guide wheel from proximity to the bobbin A, and is adjustable within the tube bv means of a coarse thread G<5> or by a simple clamp. A pin G<3> on a collar G<2> on the tube G<1> engages the end of the sleeve J or a hole G<4> therein, so as to adjust the guide wheel and give the necessary trailing action to the wire in each direction of traverse, as shown by the full ana chain lines in Fig. 2. The wire passes from a braked bobbin E over fair-leads F<1>, F<2>, and around pulleys F<3>, F<6> on pivoted members K, and its tension is adjusted by hand, as required, by varying the bight around the pulley F<6>. The winding-spindle B is operated by a handle C connected to a cyclometer B<2>, and is provided with insulated terminals B<4> for testing the coil during winding. The wire may be passed through a bath of varnish. Two screws and two guide wheels or guide wheels with double grooves may be used to wind two wires side by side. The Provisional Specification describes the provision of a set of screws of different pitch or of a set of pulleys to increase the range of adjustment.
Patent GB-903696-A (GB)
Title: Preheater for moulding material
IPC: B29B13/02
Filed: 1959-05-12
Abstract: 903,696. Electric furnaces. F. J. STOKES CORPORATION. May 12, 1959, No. 16226/59. Class 39 (3). [Also in Group V] A preheater for comminuted material subsequently to be introduced into a mould includes a heating chamber 29 in which there is an infrared lamp 56 with reflector 60 mounted in its upper portion and a rotating agitator blade 44 of open serpentine construction mounted in its lower portion. The material introduced through inlet openings 38 is raised towards the lamp and drops through the rotating blade in dispersed form. The material is discharged when a slide 16 with imperforated and perforated portions is in its retracted position. The material is introduced into the preliminary chamber 28 from a hopper 19. The inlet openings 38 may be completely or partially closed by vertically slidable gates 39 mounted on the insulated dividing wall 30. A baffle plate 51 is provided in the heating chamber 29.
Patent GB-974832-A (GB)
Title: Improvements in or relating to the manufacture of semiconductor devices
Inventor: OLIVER CLIFFORD RHODES
IPC: H01L21/00
Filed: 1960-05-09
Abstract: 974,832. Semi-conductor devices. ASSOCIATED SEMICONDUCTOR MANUFACTURERS Ltd. Jan. 24, 1961 [May 9, 1960], No. 16247/60. Heading H1K. A flat, parallel-faced semi-conductor wafer for use in a semi-conductor device is treated by immersion in an etching bath through which gas is passed from beneath the slice to keep the etchant in motion about the wafer and thus produce uniform etching of all its surfaces. In the embodiment a conical or pyramidal etching bath 1 is used. Inert gas such as nitrogen is introduced through a straight jet 4 and surrounding ring-shaped jet 3b into the base of the bath. An open mesh grid 8 may be provided to prevent the wafer falling to the bottom of the bath. Suitable bath dimensions and gas flow rates are given. The discs may subsequently be subdivided into pieces of reliably uniform thickness.
Patent GB-700528-A (GB)
Title: Method of reclaiming vulcanized natural or synthetic rubber
IPC: C08J11/22
Filed: 1951-07-11
Abstract: Vulcanized natural or synthetic rubber is reclaimed by treating it with a glycolic agent such as the glycols, or the condensation products of the glycols themselves.  The glycols may be used in an amount of 0.3 to 6.0 per cent., preferably 1-5 per cent., based on the weight of the rubber.  Specified compounds are ethylene glycol, diethylene glycol, propanediol, butanediol, butyne diol, hexane diol, dipropylene glycol, and polyglycols such as polyethylene glycol, and Carbowax; and dioxan and methyl dioxan. Reclamation may be effected either by heating in open steam or by an extrusion process such as that of Specification 657,614.  The rubbers may be natural rubber, isoprene rubbers, G-R-S, butyl rubber and neoprene.  Materials that may be added to the reclaiming mix are sulphides, disulphides and mercaptans such as tertiary dodecyl mercaptan; formic acid, acetic acid, 2 ethyl butyric acid, citric acid, maleic acid, tricarballylic acid, tartaric acid, nitniles such as succinonitrile, ketones such as methyl isobutyl ketone, aldehydes and alcohols such as diacetone alcohol, petroleum resin, petroleum asphalt and carbon black.
Patent GB-278086-A (GB)
Title: Improved process for the production of glycerine from sugar by fermentation in an alkaline medium
IPC: C12P7/20
Filed: 1926-06-30
Abstract: 278,086. L³decke, K., and L³decke, N. June 30, 1926. Glycerine, obtaining.--In producing glycerine by fermenting sugar in alkaline solution the volatile fermentation products are distilled off when the fermentation is entirely or partially finished, so that when more sugar is added fermentation continues. Catalysts such as sulphate of nickel or of cobalt may be present. The yeast may be filtered off before the distillation, and may be regenerated or be mixed with fresh yeast before readdition. The glycerine is isolated by alcoholic extraction, centrifuging, pressing, distillation in vacuo with steam, or other known process. In an example a solution of 100 grams of sugar, 150 grams of crystallized sodium sulphate, and 1 gram of sodium phosphate in 1750 c.c. of water, and a solution of 0.5 gram of ammonium sulphate, 1 gram of magnesium sulphate, 1 gram of nickel sulphate, and 10 grams of yeast in 250 c.c. of water, are mixed and allowed to stand at 30-35‹ C. for 2 days. The yeast is filtered off, the mash boiled until all alcohol and acetaldehyde distil off, and then 100 grams of sugar, 15 grams of sodium sulphite, and water up to 2 litres are dissolved in .5 grams of fresh yeast mixed with that filtered off is then added, and fermentation allowed to proceed as before. The process is repeated until 500 grams of sugar have been used. Specifications 138,099, 138,328, 138,329, 138,330, and 138,331 are referred to.
Patent GB-846699-A (GB)
Title: Improvements in vises
IPC: B25B1/12
Filed: 1959-05-13
Abstract: 846,699. Vices. GAUBERT, R. J. M. May 13, 1959 [May 22, 1958], No. 16491/59. Class 61. In a vice having a sliding jaw 13, Fig. 4, moveable over parallel guide rods 12, the jaw 13 is clamped against the work by a lever operated cam 21 pivoted at 22 to a carrier 23 loosely engaging the guide rods 12 and which tilts under the action of the cam to bring hardened washers 27 into tilted gripping engagement with the rods 12. The carrier 23 is mounted within a housing 17 of the jaw 13 in which an aperture 38 is provided for the cam operating lever 36. The washers 27 are pressed into engagement with the carrier by a spring 28 within the housing. The cam 21 engages a spring loaded plunger 31 which limits the clamping pressure to that of the spring 34. In a modification the plunger 31, Fig. 8, is solid and the guide rods 12 yield axially against spring 46 to limit the clamping pressure.
Patent GB-863039-A (GB)
Title: Improvements in forming means for profile grinding wheels
IPC: B24B53/08
Filed: 1958-05-22
Abstract: 863,039. Trueing grinding wheels. HALLEWELL, H. S. May 8, 1959 [May 22, 1958], No. 16542/58. Class 60. Means for trueing grinding wheels comprises a reciprocable, power-operated slide 11 on which is mounted a lever 21 capable of rocking about an axis normal to the direction of movement of the slide 11, a tool-carrying spindle 22 mounted at one end of the lever in bearings 23 for rotational movement about an axis parallel with that through the pivot 19, of the rocking lever 21, and a template follower 26 at one end of the tool spindle and a tool 25 at the opposite end having its cutting edge aligned with the axis of the spindle 22, and a control valve unit, Fig. 4, carried at the opposite end of the lever 21 and capable of pivotal movement about an axis 30 parallel with those of the rocking lever and spindle 22 ; the purpose of the unit is to control the speed and direction of movement of the slide 11, and means so interconnect the control unit and the tool spindle 22 that rocking movements of the control unit are transmitted to the spindle 22 and the tool carrier 24 and the forming tool 25. The slide 11 is provided with depending forked lugs 16 for connection to the piston rod of a hydraulic motor (not shown) by which the slide is reciprocated on guide bars 12 arranged parallel to the rotational axis 15 of the grinding wheel 13, the rocking lever 21 and the spindle 22 having their axes normal thereto. At the end of the spindle 22 remote from the tool-carrying arm 24 is a follower 26 which is maintained in contact with a template 45 attached to a support 46 carried by brackets 47 on the side of the body casting 14 remote from the grinding wheel 13. A handle 34 formed at one end of a valve member 33 of the control unit may be used to rock the valve casing 28 about an axis 30, Fig. 2, this movement being transmitted by an arm 29 and link 31 to one of the guide wings 27 of the follower 26 so that the follower contact may be maintained normal to the surface of the profiled edge of the template 45. The valve ports of the control unit are so arranged that as the handle 34 is pushed in or pulled out the direction of movement of the slide 11 is reversed; rotation of the valve member 33 is used to effect control of rate of flow of the hydraulic fluid to the slide-operating motor, and hence the speed of movement of the slide 11 and tool 25 across the grinding wheel periphery.
Patent GB-840342-A (GB)
Title: Improvements relating to window assemblies with ventilation means
IPC: E06B7/06
Filed: 1957-05-25
Abstract: 840,342. Ventilators. AUSTER Ltd., and SMALL, W. W. March 31,1958 [May 25,1957], No. 16639/57. Class 137 A window assembly comprises a main window frame and a window panel set so that the top edge is spaced by a ventilating gap from the frame, the space between the sides of the frame and panel being permanently closed, an angularly movable panel for closing the ventilating gap, and a lever and linkage arrangement for operating the movable panel, which arrangement is self-locking in the fully open or fully closed positions. As shown, the window has a main frame 1, and a window panel 4 in a frame 5 set at an angle to the main frame, the triangular side spaces being filled by walls 3. The space at the top is partly closed by a flange 6 leaving a ventilating gap 7 having a movable flap 8 pivoted at its ends in the walls 3. A depending flange 12 on the flap 8 overlaps the frame 5 in the closed position. A lever and linkage arrangement 15, 17 is mounted centrally on the window panel frame and the flap and controls the opening and closing of the flap, in the fully open and fully closed positions moving over dead centre positions and locking the flap in position. A perforated plate 20 may be mounted below the level of the movable flap 8. The assembly is stated to be particularly suitable for use in the cabin of a boat.
Patent GB-439360-A (GB)
Title: Method of and apparatus for preparing pulp stock for delivery to a paper-making machine
IPC: D21F1/00
Filed: 1934-06-05
Abstract: 439,360. Supplying pulp to paper-making machines. DENNETT, P., Medfield, Massachusetts, U.S.A. June 5, 1934, No. 16725. [Class 96] Pulp passing to a paper-making machine is purified and passed through a transverse, vibrating, rotating, flow-evener or distributing cylinder 35 having apertures larger than those of the screening cylinder. Dilute pulp from a trough 10 passes to centrifuging units, or, alternatively as shown to vats 12 containing inward-flow rotating cylindrical screens, e.g. having slots À010 to À018 inches wide, discharging into a trough 15 supplying the vat 20 of a pulp-thickener comprising a rotating foraminous cylinder 21, the thickened pulp passing through a pipe 31 to the flowevener cylinder 35 which is carried by pivoted arms, the free ends of which are vibrated by rotating cams. The cylinder 35 is washed by a spray 55 drained by a trough 56. The apron 60 has a flexible connection 62 to allow vertical adjustment of the vat 20 and cylinder 21 which is effected by a motor 66 &c.