baber/WOPTO huggingface dataset:
Patent GB-432785-A (GB)
Title: Improvements in or relating to steam generating and steam power installations
IPC: F01K3/18
Filed: 1935-01-30
Abstract: 432,785. Instantaneous steam generators; heating boilers by steam. SULZER FRERES SOC. ANON., Winterthur, Switzerland.-(Assignees of Marti, W. ; 36, Murifeldweg, Berne, Switzerland) Jan. 30, 1935, No. 3046. Convention date, March 9, 1934. [Class 123 (ii)] [See also Group XXVI] A steam generating and power installation comprises a high pressure once through boiler 1 with a constant feed supply maintained by a pump 6, and a low pressure boiler 3, constituting a heat accumulator, which is heated by the separated hot water from a separator 9 in the high pressure boiler between the generating section 8 and the superheating section 10. The water is discharged from the separator into the boiler 3 through a throttle 32, the cross-section of which is such that when the pressure in the high pressure boiler is normal, all the water supplied at the highest charge can flow through the throttle ; or the discharge from the separator is regulated in accordance with the quantity of water in the separator. The superheated high pressure steam is supplied to the high pressure stage 13 of an engine and then, under the control of a governor operated valve 21, to the low pressure stage 18, the surplus steam passing through a pipe 19 into heat exchanger 20 in the low-pressure boiler. When the pressure in the steam supply pipe 12 rises, a valve 37 is opened and the steam flows through the pipes 38, 39 directly to the low pressure stage and the low pressure boiler. Low pressure steam is normally supplied through a pressure regulator 47 to a main 46. The pipe 45 before the regulator communicates with a condenser 50, from which condensate, together with the condensate from the heatexchanger 20, flows into the feed tank 5. Feedwater is drawn from the tank by a pump 55 and is delivered through a pipe 56 to the feed pump 6. Fresh feed is supplied by a pump 57 to the low pressure boiler through a heater 60 arranged above the high pressure boiler. The low pressure boiler may be heated by direct contact of the hot water and steam with the boiler water. The firing of the high pressure boiler is regulated in accordance with the water level or the pressure in the low pressure boiler.
Patent GB-660472-A (GB)
Title: An improved process for the preparation of chlorinated derivatives of unsym. diphenylethane
IPC: C07C17/26
Filed: 1949-02-03
Abstract: Vinyl chloride is condensed with chlorobenzene in the presence of aluminium chloride to give di-parachlorophenyl-1,1-ethane which may be further chlorinated to give substances which are useful as insecticides.  For the production of the diparachlorophenyl-1,1-ethane vinyl chloride is treated with chlorobenzene, preferably at a temperature between 40 DEG  and 100 DEG  C. and in the presence of 0.5 to 2.0 per cent of aluminium chloride based on the amount of chlorobenzene present.  When the reaction is completed the mixture is washed with water to eliminate the hydrochloric acid formed and distilled.  Further chlorinated derivatives may be prepared by the chlorination of diparachlorophenyl-1,1-ethane by chlorine gas at elevated temperature.  The preferred temperature is in the range 200-250 DEG C. and the reaction is advantageously carried out under the influence of ultraviolet light and under these conditions chlorine atoms enter into the side chain of the molecule.  One or two atoms enter the side chain depending on the amount of chlorine used.  If phosphorus pentachloride is used as a catalyst to the reaction some chlorine enters the benzene rings.  In the examples: (a) diparachlorphenyl-1,1-ethane is prepared by treating vinyl chloride with chlorobenzene in presence of aluminium chloride; (b) a compound of formula <FORM:0660472/IV (b)/1> is prepared by treating diparachlorophenyl-1,1-ethane with chlorine under the influence of ultra-violet rays; and (c) a compound of formula <FORM:0660472/IV (b)/2> is prepared by treating diparachlorophenyl-1,1-ethane with chlorine under the influence of ultra-violet rays with phosphorus pentachloride as catalyst.
Patent GB-607359-A (GB)
Title: Improvements in and relating to tables, stools or other articles of furniture, having folding legs or like supports
Filed: 1946-01-31
Abstract: 607,359. Folding furniture. WOODLEY AERONAUTICAL ENGINEERING CO., Ltd., and LEACH, R. Jan. 31, 1946, No. 3144. [Class 52(iii)] The folding legs 5 of a table &c. are secured in the extended position by a locking arm 12 pivotally and slidably mounted on a horizontal guide 10 fixed to one set of legs and engaged at its free end with a socket 15 on the other set of legs, the pivoted end 13 being slid along the guide to force the legs outwardly. The legs are of U-shape the base 3 forming a foot, and a strut 9 extending between the legs of one set supports a cylindrical rod 10 on which slides a sleeve 11 to which the locking arm 12 is pivoted at 13. The table top is of sheet metal with flanges 2b reinforced at the corners by angle pieces 8 forming abutments for the legs.
Patent GB-702671-A (GB)
Title: Improvements in and relating to roofs of large span
IPC: E04B7/08
Filed: 1951-02-09
Abstract: 702,671. Roofs. PONT, H. M. Feb. 9, 1951 [March 9, 1950], No. 3229/51. Class 20 (4). [Also in Group XXXIV] A roof structure of the type described in Specification 649,729 and composed of flexible curved rafters 10, united at the apex and connected round the base by cables is supported at each corner by a movable element 3 formed with a part-spherical sole surface 4 resting on a stationary member having an inclined surface 5 (see Group XXXIV), so that a natural restoring force is applied to the roof following any deflection from its normal position.
Patent GB-1272543-A (GB)
Title: Drop-keels for boats
Inventor: CHAUVEAU CHARLES ELIE LOUIS
IPC: B63B41/00
Filed: 1970-01-22
Abstract: 1,272,543. Drop-keels. C. E. L. CHAUVEAU. 22 Jan., 1970 [18 June, 1969], No. 3275/70. Heading B7V. A boat has a weighted keel 3 movable between a position in which the keel or part of it projects below the bottom surface of the boat and a retracted position in which only the weight 4 carried at the end of the keel projects. Guides 5, 5<SP>1</SP> define a straight path for the keel and winch 17 controls the movement along the path.
Patent GB-1375483-A (GB)
IPC: B23B45/02
Filed: 1972-01-24
Abstract: 1375483 Portable electric drill LUCERNE PRODUCTS Inc 24 Jan 1972 3318/72 Heading B3C [Also in Division H1] A portable electric drill 8 comprises a trigger 32 slidable in a housing 14, from an off-position Fig. 1, to an on-position Fig. 2 (not shown), and movable electrical - current - conducting - means 38 coacting with the trigger and urging the latter to the off-position, the trigger being operative to the on-position so as to move means 38 into engagement with a brush assembly 28a of the electric motor 10 so as to complete the electric circuit. Motor 10 drives the output shaft of the drill through gearing 26a.
Patent GB-352897-A (GB)
Title: Improvements in bows for stringed instruments
IPC: G10D3/16
Filed: 1931-02-02
Abstract: 352,897. Bows for stringed instruments. FLEISCHER, J., 66, Reissigerstrasse, Dresden, Germany. Feb. 2, 1931, No. 3332. Convention date, Feb. 3, 1930. [Class 88 (ii).] Metal wires used in lieu of horsehair for bows have transverse grooves or roughened surfaces, and are capable of stretching.
Patent GB-684774-A (GB)
Title: Reciprocating grease or oil or other liquid pumps
IPC: F01L23/00
Filed: 1950-02-09
Abstract: 684,774. Engine valve-gear. TECALEMIT, Ltd., and LE CLAIR, C. C. S. May 4, 1951 [Feb. 9, 1950], No. 3380/50. Class 122(ii) [Also in Group XXVIII] The admission and exhaust of compressed air to and from both ends of a double-acting motor cylinder 1, used in a grease pump (see Group XXVIII), is controlled by a pair of valves 60, 61, Fig. 5, actuated in alternate sequence by magnets 85, 95 respectively controlled by the movement of the motor piston. Each valve has a conical end 60n, 61a controlling the passage of air to a chamber 63, 66 communicating permanently with the upper and lower ends respectively of the motor cylinder. Each valve also has a conical end 60b, 61b controlling the exhaust of air from the chambers 63, 66. The valves carry armatures 62, 65 and are raised by the magnets 85, 95 which may be permanent magnets through pole pieces 93, 94, Fig. 3. The pole pieces are short-circuited by control armatures 40, 41 respectively thereby allowing the valves to fall under the pressure of the air acting on their upper ends. The control armatures are connected through springs 44 to links 43, which are in turn connected to levers 50, 51 pivoted at their centres to the motor frame. The levers are connected to links 54 carrying cross pins 55, 56 which are engaged by an extension 24 of the piston rod when the latter is near the ends of its stroke. The permanent magnets may be replaced by electromagnets controlled by switches actuated by the piston movement.
Patent GB-1130273-A (GB)
Title: Improvements in or relating to roll rings
IPC: F16L21/025
Filed: 1967-01-24
Abstract: 1,130,273. Joint making packing; pipe joints. WESTLAND GUMMIWERKE G.m.b.H. 24 Jan., 1967 [17 March, 1966], No. 3432/67. Headings F2B and F2G. A roll ring packing for a spigot-and-socket pipe joint comprises a ring 1 of circular crosssection and a roll-up lip which extends radially to tangentially from the periphery of the ring to a length greater than the radius of the ring thickness and which is provided with one or more annular thickened portions 5 which act as a roll-back brake. The roll ring is made of an elastomeric material which may be foam rubber.
Patent GB-1385341-A (GB)
Title: Method and apparatus for handling articles
IPC: B24C3/08
Filed: 1972-01-25
Abstract: 1385341 Blasting WHEELABRATOR CORP 25 Jan 1972 [2 Feb 1971] 3448/72 Heading B3D [Also in Division B8] Articles, e.g. metal parts, are conveyed in spaced relation through a rotatable tunnel by means of a longitudinally reciprocable drawbar. As a blast zone 12 is rotated, a tunnel 10 provided with bars 18, 20, 22 ... 28 to support parts to be processed (not shown) is also rotated, the parts which have been fed by means 46, being drawn through the tunnel, step-by-step, by projections 52 on a drawbar 50 which extends through end walls 14, 16 of the tunnel. On its return longitudinal movement, the bar 50 is raised due to cam and roller means 66, 68; 58, 60 and the projections 52 are disengaged from the parts. Means for rotating the tunnel 10, together with the drawbar assembly, comprise frames 70, 72 through which the assembly passes, the frame 70 being rotated by a motor 79. Longitudinal reciprocation of the drawbar 50 is derived from rotation of the frame 72 which is secured to a framework 82, 84, 86 housing a scotch yoke assembly 94. The articles are discharged by means 48. In a modification, Fig. 7, a drawbar having upwardly extending projections 108 is controlled by opposing springs 120, 122 and is longitudinally movable by an hydraulic or pneumatic cylinder 116. A modified cam means Fig. 11 (not shown) includes pivoted arms (138, 142) which aid the movement of a roller (60<SP>1</SP>) between sections (132, 134) of the cam means. There may be more than one drawbar and tunnel.
Patent GB-1427467-A (GB)
Title: Method and device for making articles from hard synthetic  foam material and/or for dividing larger parts thereof into  smaller parts
IPC: B29C44/56
Filed: 1974-01-25
Abstract: 1427467 Cutting apparatus DE MAN ISOLATIEBV 25 Jan 1974 [25 Jan 1973] 03494/74 Heading B4B A device for cutting articles, e.g. pipe insulating sleeves 13, 14, from blocks 6 of synthetic foam material comprises one or more knives 1, 2, 3 arranged to be either stationary and the material pushed by means 4 against the knives to effect the cut, or vice versa, and guide means to keep the block in the correct position transversely with respect to the cutting direction. As shown in Fig. 1, three sets of knives 1, 2, 3 are secured to a frame made up from e.g. angle-iron so that the corners of the block 6 are located by the angle iron sections as the block is pushed through the frame against the knives; the pushing means 4 may be coupled to the ram of an hydraulic cylinder. The pusher 4 is provided with a further knife 10 which, during the pushing stroke severs a new block 11 from a web 8 of the material. As shown in Fig. 1, the   cutting edges of each set of knives are arranged in staggered relation to facilitate the severing; alternatively they may be arranged in the same plane if desired. In modifications, the blades may be vibrated ultrasonically during cutting, the material can be held stationary and the knife frame moved or the frame and material can be moved together in opposite directions. The device may be operated automatically by suitable control means.
Patent GB-1458302-A (GB)
Title: Process and apparatus for the aeration of waste water
IPC: B01F3/04
Filed: 1974-01-25
Abstract: 1458302 Waste water aeration STAMICARBON BV 25 Jan 1974 [29 Jan 1973] 03656/74 Heading B1C In a process and apparatus for the aeration of waste water containing suspended biologically active sludge, jets of recycled water are directed at an angle of not greater than 60 and at a velocity of from 3 to 12 metres/ second onto the surface of the waste water which is contained in a basin of circular, elliptical or regular polygonal horizontal crosssection, whereby aeration of the water and a rotary flow Vr is produced. In Fig. 1, two tubes 2, 3 having outflow openings 6 direct the jets of water onto the waste water in circular basin 1. Untreated water is introduced at 4 and treated water leaves at 5 while pump units 7 draw water from the basin and feed it to the tubes. In Fig. 2 the pump units include an impeller 11 driven by motor 13. Some of openings 6 may be blanked off to vary the output and the angle of the jets may be varied in an arrangement of relatively rotatable apertured pipes 100, 104 shown in Fig. 3. The output of the jets may be varied by changing the speed of motor 13.
Patent GB-162812-A (GB)
Title: Improvements in means for securing turbine rotors to their shafts
IPC: F01D5/02
Filed: 1920-02-06
Abstract: 162,812. Brush Electrical Engineering Co., Ltd., (Aktiebolaget Ljungstr÷ms Angturbin). Feb. 6, 1920. Securing turbine rotors on shafts.-To prevent loosening, due to heat, of a turbine rotor 3 on its tapered hollow driving-shaft 5, the shaft carries internally a tube 6<a>, which is screwed thereto at one end 7 and at the other end has a shoulder 8 bearing against the rotor and against taper securing-keys 6. The tube is under such tension that it pulls the rotor and keys further up the tapered shaft if the rotor expands. To enable the screw 7 to be unscrewed for removal of the rotor, a bar is threaded through a screw 9 on the tube and bears on the closed inner end 10 of the tube, so that when further turned it puts additional tension on the tube and eases the pressure between the parts 8, 3. A nut 12 prevents steam, which may pass through a hole 11 in the tube, from approaching the connection between the shaft 5 and its driving-shaft.
Patent GB-247562-A (GB)
IPC: B02C15/04
Filed: 1926-02-10
Abstract: 247,562. Loesche, E. C. Feb. 12, 1925, [Convention date]. Roller-and-ring mills and apparatus. - A fan separating-device b for withdrawing ground material from the mill at the moment of its inception is formed integral with a rotating grinding track a against which the material is ground by rollers c. These rollers may be loose on their axes or be rotated about a central axis and are pressed against the grinding track by springs d. Material is fed in at a hopper e and is thrown out by centrifugal action between the rollers c and track a. The powdered material is caught by the vanes of the separating device b and is thrown against the sides i of the casing to fall into and be carried away by conveyers f. Air freed from the pow. dered material returns to the grinding zone through slats g and openings h in the hood k of the grinding bowl.
Patent GB-508880-A (GB)
Title: Improvements relating to fastening devices for engine cowlings, inspection covers, and like purposes
IPC: F16B5/10
Filed: 1938-02-07
Abstract: 508,880. Stud-and-socket fastenings. BARNICOAT, H. R. Feb. 7, 1938, No. 3852. [Class 44] A fastening particularly for engine cowlings and like uses comprises a spigot member 1 externally threaded and rotatably mounted in a nut 3 fixed on one member 5 to be fastened, the stud having a head comprising a flange gapped by diametrically opposed flats to leave parts 6 each formed with a groove adapted, on rotation of the stud, to engage a corresponding internal lug 20 provided in a socket member 18 secured to the other part 15 to be fastened. The stud is axially bored as shown and its head end is transversely slotted. Slidably mounted in the slot is member 7 having terminal segments 7<1> and carrying a pin 12 round which is disposed a spring 14 biassing member 7 outwards. Outward movement is limited by a head 11 on pin 12 so that normally the parts 7, 7<1> are flush with the end of the stud, the parts 7<1> providing with the parts 6 a cylindrical contour filling the socket to provide a surface flush with that of part 15. In use, the socket is applied to the head of the stud, the member 7, 7<1> being pressed back, by the tongues 20 or by a screwdriver inserted in the slot, till the grooves in parts 6 register with tongues 20. The stud is then rotated to engage the tongues in the grooves, whereupon the member 7, 7<1> returns under action of spring 14, to retain the parts 6, 20 against release movement.
Patent GB-1092503-A (GB)
Title: Unitary loads for vacuum handling
IPC: B65D71/02
Filed: 1965-01-29
Abstract: 1,092,503. Suction lifting devices; packages. EATON, YALE & TOWNE Inc. Jan. 29, 1965 [Feb. 4, 1964], No. 3961/65. Headings B8C and B8H. A plurality of packages 10 are formed into a single load so that they may be picked up by a suction-head 15 mounted on a carriage 11 of a lift-truck, by attaching them to each other and to a sheet 14 of non-porous material by straps 12. The sheet 14 may be of corrugated paperboard and may be L-shaped with one limb 18 under the load. A further L-shaped sheet may be secured over the front and top of the load. To stiffen the paperboard sheets an edge 18c, Fig. 6, (not shown), may be bent upwards.
Patent GB-637177-A (GB)
Title: Method and apparatus for applying a stripe of coating or treating liquid to a film
IPC: G03C1/74
Filed: 1947-02-11
Abstract: 637,177. Coating webs. TECHNICOLOR MOTION PICTURE CORPORATION. Feb. 11, 1947, No. 3962. Convention date, Aug. 15, 1946. [Class 140] [Also in Group XL (b)] In an apparatus for applying a stripe of coating solution to a kinematograph film in which the coating is applied by a nozzle, means are provided to advance and retract the nozzle towards and away from the film dependent upon a change in the light transmissivity of the film. Light from a source 27 passes through the film F to a photo-electric cell 26 which controls an electromagnet 14 through a time delay relay 24, The nozzle 1 is pivotally mounted at 7 and may be retracted by means of a piston 8 working in a cylinder 9. The nozzle is normally held in the operative position by a spring 11, but may be retracted by applying compressed air to the opposite side of the piston from a supply pipe 17 through a valve 12 controlled by the electromagnet 14. The supply of air from the pipe 17 may pass through either of pipes 31 or 19 depending on the position of valve 12, the latter pipe 19 including a manually-operated valve 13. There are three positions of the valve 13, and in Fig. 1 it is shown in the position when air enters the cylinder 9 through the pipe 19 for a temporary inoperative position of the nozzle. In a second position of the valve 13 the pipe 19 is connected to atmosphere through a pipe 23 and the spring will urge the nozzle to the operative position. Should a change in the light transmissivity of the film, e.g. a splice, occur, the electromagnet 14 will operate to close the lower port 21 of the valve 12 so that compressed air will enter the cylinder 9 through the upper port and pipe 31 and retract the nozzle and hold it retracted until the splice has passed. In the third position of valve 13 air cannot pass in either direction, so that the nozzle is unresponsive to control means. Specifications 637,175 and 637,176 are referred to.
Patent GB-975097-A (GB)
Title: Production of n-substituted aromatic amines
IPC: C07C209/68
Filed: 1962-02-02
Abstract: N-substituted aromatic amines are produced by heating an aromatic nitrohydrocarbon (optionally containing as nuclear substituents hydrocarbonoxy, fluoro, aliphatic amino, arylamino or aralkylamino) with a six-carbon ring alicyclic ketone, in presence of a dehydrogenation catalyst in the absence of added hydrogen. Lists of suitable nitro compounds, ketones and catalysts are given. In the examples, there were obtained using cyclohexanone and a Pd/C catalyst diphenylamine from nitrobenzene, p-ethoxy-diphenylamine from p-nitrophenetole and N-isopropyl (or cyclohexyl)-N1-phenyl-p-phenyl-enediamine from N-isopropyl (or cyclohexyl)-p-nitroaniline.
Patent GB-1493702-A (GB)
Title: Electrical capacitors
IPC: H01G/
Filed: 1975-01-30
Abstract: 1493702 Capacitors ROBERT BOSCH GmbH 30 Jan 1975 [31 Jan 1974] 4053/75 Heading H1M A capacitor casing 17 substantially conforming in cross-section to a capacitor roll 16 housed therein is provided with at least one, as shown two radial protrusions 22 extending along the axial length of the casing to accommodate lead wire 13 connected to the contact bridge 19 at the end of the roll remote from the housing opening, free space within the casing being filled with potting material. Wire 13 accordingly is brought out from the housing in the same direction as wire 11 connected to bridge 18 at the open end, but is adequately spaced therefrom for insulation purposes. As shown wire 13 is substantially U-shaped, arms 14, 15 passing through the respective protrusions. The casing may be provided with spacing feed 24.
Patent GB-607736-A (GB)
Title: Herbicidal compositions
IPC: A01N37/42
Filed: 1946-02-11
Abstract: A herbicidal composition comprises an auxin having one of the general formulae XnRYCOOH.  XnRAR1COOH or XnRCOR1COOH, in which X is halogen, n is an integer not greater than 2, R is an aromatic ring, Y is a bivalent organic radical attached acyclicly to R, A is oxygen, sulphur or an imino group, R1 is a bivalent organic radical and COOH may be free or combined as an ester, amide or salt, and a phytoxicant other than such as auxin.  The preferred auxin is 2, 4-dichlorophenoxyacetic acid or its sodium, ammonium or potassium salts or its amide or methyl or ethyl ester.  Specified phytoxicants are one or more of ammonium sulphonate, sodium chlorate, ammonium thiocyanate, water soluble arsenicals, sulphuric acid, ammonium trichloroacetate, ammonium chloride, ferrous sulphate, copper sulphate, borax, 2, 4-dinitro orthocresol sodium salt, beta-nitrostyrene, furfuryl nitro ethylene, 2, 6-dichloro-4-nitro phenol ureate, cyanamide, polychlorinated phenols and their alkali metal salts, coal tar distillates and oil refinery residues, The composition may be applied in solution in water or in oils, in aqueous dispersions or as dusting powders.  Diluents such as calcium carbonate, talc, bentonite, sodium sulphate, sodium carbonate and/or ammonium sulphate may be added.  Other permissable additions include hygroscopic agents such as calcium chloride, zinc chloride, glyceryl ammonium sulphate, glycerol, sorbitol, glycol, diethylene glycol ethers, polyvinyl alcohol, polyglycols, polyglycerols and their ether ester and amine derivatives, and wetting agents such as sodium lauryl sulphate, sodium salts of alkyl sulphonic acids, long chain C- or N- substituted betaines, long-chain quaternary ammonium salts, salts of long-chain aliphatic secondary sulphonic acids, and sodium salts of alkyl sulphonic acids derived from petroleum.