baber/WOPTO huggingface dataset:
Patent GB-904410-A (GB)
Title: Improvements in and relating to new dicarbamates and process of preparing same
Inventor: ROSENBERG EDY
IPC: C07C271/06
Filed: 1960-02-18
Abstract: The invention comprises dicarbamates of the formula <FORM:0904410/IV (b)/1> (wherein R is hydrogen or alkyl, or aryl which may contain a halogen atom as a substitutent) and their preparation from the diol and phosgene followed by the amine RNH2 or from the diol and the isocyanate RNCO.  Examples are given.  1,1-Dimethylol cyclopentane is prepared from cyclopentanecarboxaldehyde and formaldehyde.  The dicarbamates, which are stated to have sedative, tranquillizing and anti-spasmodic properties, may be formulated as pharmaceutical compositions for oral, rectal or parenteral administration.  Tablets are referred to.
Patent GB-228373-A (GB)
Title: Improvements relating to submarine and submersible vessels
IPC: B63G8/40
Filed: 1924-03-06
Abstract: 228,373. Norman, A. C. A., and Woodriffe, P. W. March 6, 1924. Submarine escape chambers.-In submarines or submersible vessels having escape-chambers opening to the sea, means are provided for positively and automatically closing the sea-doors. The water-tight door A, Fig. 5, is pivoted on a pin d, and is held closed by the external pressure, by a counterweight f and by a tension spring g. The counterweight f is secured to a rope o passing through an aperture. in the front of the chamber. A man-hole closed by a hinged hatch B, Fig. 1, provides access to the chamber from the interior of the submarines. The sea-valve for flooding the chamber is provided with two operating wheels h, one inside and one outside the chamber. A self-contained lighting set n comprising a lamp and an accumulator is provided. A member of the crew, wearing a helmet or other suitable form of diving dress, enters through the hatch B, and the chamber is flooded, when the door A can be easily opened to the position shown in Fig. 5. A buov D, Fig. 9, attached to a length of rope having at the other end a hook p which is secured to an eye-bolt e on the door A is then cast adrift, and the man floats to the surface, retarding his ascent by means of a lanyard passing round the rope. The lanyard is secured to a gunmetal disc q, each member of the crew being provided with one. As the man leaves, the door is automatically closed by the counterweight f and the spring g. The sea-valve is then closed and the hatch B opened', the water down to the level of the hatch escaping into the submarine, and another of the crew enters the chamber and so on.
Patent GB-1019319-A (GB)
Title: Improvements relating to electrodes
IPC: H01M8/02
Filed: 1963-12-20
Abstract: 1,019,319. Fuel cells. UNION CARBIDE CORPORATION. Dec. 20, 1963 [Dec. 28, 1962], No. 50546/63. Heading H1B. A fuel cell has a plurality of units each comprising a carbon plate (the electrode) in a frame of elastomeric material with integral sealing beads on one side and co-operating with the adjacent unit to provide spacers for the gases and electrolyte, holes in the frames being arranged to communicate with the spaces to supply the returned fluids to each plate.
Patent GB-428114-A (GB)
Title: Improvements in or relating to paper making machines
IPC: D21F9/04
Filed: 1934-02-22
Abstract: 428,114. Cylinder paper - making machines. BLACK - CLAWSON CO., Vine Street, Hamilton, Ohio, U.S.A.-(Assignees of Kutter, H. L.) Feb. 22, 1934, No. 5859. Convention date, April 8, 1933. [Class 96] Pulp flows to the forming cylinder 10 of a paper-making machine from an inlet chamber 12 coextensive with a dam 20 which has a top surface of substantial width and which is free from obstruction to flow of pulp thereover. Pulp flows in at 13 to a funnel 14 the top of which extends the full width of the vat whereupon the flow is evened by the converging and diverging parts 15, 16 of a wall of a passage 18. The pulp then flows over the dam 20 to the space between the vat and the walls of the forming cylinder 10 which converges towards an adjustable overflow wall 24 so that the speed of flow substantially equals that of the screen. The overflow passes into a compartment 28 preferably extending the width of the vat, and out at 29 to be brought to the required consistency for re-use. The white water from the cylinder 10 passes to compartments at the sides of the vat, some of it flows to waste over an adjustable dam, and the remainder through pipes 31, 32, for reuse. The vat may be of metal and the dam 20 of bronze.
Patent GB-678129-A (GB)
Title: Sheet-metal workers hand-shears
IPC: B23D29/02
Filed: 1951-03-12
Abstract: 678,129. Hand shears. BUTLER, K. B. March 12, 1951. No. 5869/51. Class 30. In sheet-metal workers' hand shears, comprising a top blade pivoted to a lower blade and moving in the gap formed between the bottom blade and a lever member through which the pivot pin also passes and which is connected to, or integral with, the handle of the lower blade, and is secured to the lower blade, behind the pivot, by a bolt, screw or rivet, a distance piece being provided, the lower edges of the lever and distance piece do not protrude below the straight cutting edge of the top blade when the shears are fully closed. As shown, the pivot pin C passes through the top blade A, the lower blade B, and a lever D, on which is mounted the handle G of the lower blade and which is secured to the lower blade B by a rivet E, a distance piece F, being inserted, between the blade and the lever, to provide a gap into which the blade A moves when the shears are closed. The handles G are set at an angle to the shearing edge of blade B and may be integral with the lever and top blade or formed as metal pressings.
Patent GB-870659-A (GB)
Title: Multiple disc clutch with releasing and cooling means
Inventor: ASCHAUER GEORGE REISCH
IPC: F16D25/04
Filed: 1958-02-24
Abstract: 870,659. Friction clutches. TWIN DISC CLUTCH CO. Feb. 24, 1958, No. 5947/58. Class 80 (2). Friction plates 13 ... 16 of a multi-plate clutch splined alternately to driving and driven members are positively separated on disengagement by release springs 36 which act on all the plates 13, 14 of one set through an axially slidable separator ring 34 having spaced abutments 43, 40 bearing on each of the said plates 13, 14. For engagement pressure air is supplied through a passage 21 and a local exhaust valve 20 to act through a diaphragm 22 and a heat-insulating ring 25, on the end presser plate 14. The separator ring 34 is slidable on threaded studs 32 to which nuts may be applied to retain the plates as an assembly during dismantling. Passages 31, 45, 27 circulate cooling air. In Fig. 9 (not shown) each release spring acts on an individual separator axially slidable on a stud concentric with the springs.
Patent GB-1410141-A (GB)
Title: Synchronous motor control circuits
IPC: H02P1/50
Filed: 1973-02-07
Abstract: 1410141 Control of A.C. motors FIZIKOENEBGETICHESKY INSTITUT AKADEMII NAUK LATVIISKOI SSR 7 Feb 1973 6004/73 Heading H2J A control circuit for the induction starting of a synchronous motor comprises a rectifier 4 supplying the rotor field winding 2 through a transistor 1 controlled by a transistor 5 in turn controlled by a rectifier 16 and the difference between the outputs of rectifiers 6, 7, the rectifiers 4, 7, 16 being energized by a transformer 10 also supplying the stator winding (not shown) of the motor, the rectifier 6, together with a rectifier 15 being supplied by a transformer 11 whose primary is constituted by the field winding 2, and the rectifier 15 controlling the firing of a silicon-controlled rectifier 13 which controls the application to the transistor 5 of the difference between the outputs of rectifiers 6, 7. The control circuit is designed to prevent undesired energization of the field winding of the type of motor having damper cages producing an E.M.F./slip characteristic (B), Fig. 2 (not shown), having two values of slip corresponding to the same rotor-induced E.M.F., energization of the field winding being prevented over the range from the motor at rest to the first slip value. In a typical starting operation, the transistor 5 is initially controlled by the bridge 16 to make transistor 1 non-conductive, a diode and high value resistor combination across transistor 1 allowing a small current to pass to the winding 2, which is shunted by resistors 22, 23 during respective alternate half-cycles of the slip E.M.F. When the first value of slip has been reached, a Zener diode 14 breaks down to allow the rectifier 15 to fire the S.C.R. 13 and apply the output of divider 8 to the transistor 5, already receiving the output of rectifier 6 from a resistor 9. As synchronous speed is approached, the voltage U6 of rectifier 6 falls below that U7 of rectifier 7 and transistor 5 becomes progressively less conductive to progressively turnon transistor 1 and so increase the current to the winding 2, the transistors 1 and 5 rapidly becoming respectively ON and OFF to allow the motor to pull into step. The aforementioned control of the transistors 1, 5 also occurs if the motor falls out of step, thereby restoring the synchronous operation.
Patent GB-327246-A (GB)
Title: Improvements in or connected with electric switches controlled by clockwork mechanism
IPC: G07F5/10
Filed: 1929-02-23
Abstract: 327,246. Kohastam, J. Feb. 23, 1929. Electricity, supplying by time controlled apparatus; clockwork actuation.-In an apparatus for delivering electricity for a predetermined time a coin in passing from a chute 1 to a box 18 rocks a counterweighted lever 5 carrying a mercury switch 6 about its pivot 3 so as to close momentarily the circuit of an electromagnet 14 and thereby raises the weighted core 17 of the electromagnet. A stub 26 on the core 17 in its upward movement raises a lever 30 carrying a mercury switch 32 about its pivot 29 to close an electric circuit to a lighting system, toy railway or other apparatus to which current is to be suplied. When the lever 30 is in its top position it is engaged by a lever 40 operated by a spring 41 and the switch 32 is then maintained closed until the lever 40 is displaced by an adjustable stop 27 on the core 17 during its descent. The descent of the core is delayed by a clockwork mechanism 25 having a ratchet pinion 23 which is engaged by a pawl 24 on a lever 20 having pin-and-slot connection with the core.
Patent GB-287164-A (GB)
Title: Improvements in the manufacture of sand moulds for casting magnesium and its alloys
IPC: B22C3/00
Filed: 1928-02-27
Abstract: 287,164. British Maxium, Ltd. March 18, 1927, [Convention date]. Mould materials.-To protect magnesium, or its alloys, when cast into a sand mould, salts of ammonium are mixed with the sand or applied, wet or dry, to the inner surface of the mould. For instance 2 per cent of ammonium borate or fluoride may be mixed with the sand, the fluoride producing a protective film on the casting. Agglomerants, solutions of resins in oils, or other substances more easily oxidizable than magnesium may also be added to the sand. The Specification as open to inspection under Sect. 91 (3) (a) states also that the moulds may be used for casting other easily oxidizable metals. This subject-matter does not appear in the Specification as accepted.
Patent GB-127931-A (GB)
Title: Filling Spaces or Cavities which are Difficult of Access with Concrete, Cement or the like.
Inventor: FRANCOIS ALBERT
IPC: E02D3/12
Filed: 1918-04-10
Abstract: 127,931. Franþois, A. April 10, 1918. Subaqueous buildings and structures; walls.- Spaces or cavities which are difficult of access, for instance, fissures in the ground and crevices behind walls, are filled by pumping therein concrete or cement through pipes at a low pressure and bringing into operation an additional higher pressure pump system immediately an indication is given that a stoppage is likely to occur in the pipes. A rotary or centrifugal pump G is used for the low pressure up to about 60 lbs. per sq. in., and a ram or piston pump I or one or more supplementary centrifugal or rotary pumps for the high pressure; the supplementary pumps may be in series with one another and with the low pressure pump system. If desired, the ram pump may supply pure cement or water to assist the flow of concrete into the cavity. The cement or concrete is supplied to the pumps from a reservoir K, and an outlet control valve E and non-return valves J, J<1> are fitted to the delivery pipes. The pressure in the main delivery pipe D is indicated by a gauge M.
Patent GB-1399809-A (GB)
Title: Appratus for pelletizing aprticulate materials
IPC: B01J2/12
Filed: 1973-02-08
Abstract: 1399809 Pelletizing particulate material ESM Inc 8 Feb 1973 [1 March 1972] 6241/73 Heading B5A An apparatus for pelletizing a particulate material, comprises a feeder 12, a frame 3, 4, 5 pivotally secured to a base 1 so that a rotatable drum 10 can be set at a selected angle, the drum being journalled about the feeder so that material can be fed into the drum below the surface of the pelletizing bed, and driving gear for the drum and the feeder mounted on the frame member 5. The feeder can be formed by a screw, a ram, or a pump. A scraper 21 is mounted on a frame member 19.
Patent GB-525687-A (GB)
Title: Large reservoirs for liquids
IPC: B65D90/04
Filed: 1939-02-25
Abstract: 525,687. Walls. SCHMIDT, F. Feb. 25, 1939, No. 6291. Convention date, Feb. 26, 1938. [Class 20 (iv)] [Also in Group XXIX] Reservoirs for fluids, particularly hydrocarbons, formed of concrete or reinforced concrete, are provided with a liquid-tight inner coating formed of a thin skin of metal or a material such as celluloid, cellulose, casein and the like closely adhering to the concrete, the skin being divided into sections elastically connected to each other by flanged edges or integral channel portions which extend into the concrete, the flexibility of the connecting portions preventing separation of the skin from the concrete owing to differential expansions. In the form shown in Fig. 1, the inner face of the concrete wall 1 is formed with vertical waves 2, and is sprayed with zinc, copper, aluminium, or other metals according to the liquid to be stored; the channels extending into the concrete between the waves provide the necessary flexibility to the skin to allow it to follow the heat expansion of the concrete. In a modification, the waves are formed horizontally as well as vertically. Fig. 4 shows a form in which the lining is formed of metal plates 4 having flanges 5 which extend into the concrete and are welded by electric resistance or autogenous welding, or connected by soldering. A coating of acid-proof cement 9 may be provided over the seam. The seams may also be squirted over with metal, and may be protected from corrosion electrolytically, for example, by the use of zinc when the plates are of iron. Anchors 8 may be welded to the plates and may form supports for the internal reinforcement of the concrete wall. To obtain the maximum flexibility, the joints are short and terminate at joints running transversely to them, various patterns including zig-zag, honeycomb, and that shown in Fig. 8 being illustrated. Alternatively, the horizontal joints may be continuous around the reservoir to form annular reinforcements. Large plates may be made more flexible by folds formed in them. Fig. 11 shows a construction in which a pipe 18 extends through a metallined hole in the concrete and is secured by flanges to a plate 19 welded to the skin plates 4. A depression 17 in the floor allows the pipe to be introduced at floor level. The anchors 11 of the wall lining plates support annular reinforcements 12 in the wall. In building the reservoir, a sheet-metal floor is laid on the concrete, the metal wall lining is attached to the floor and stiffened by internal shuttering, and the concrete is filled in between the lining and outer shuttering. In lining an existing reservoir, the original wall takes the place of the outer shuttering. The concrete may be tamped by motor vibrators placed against the lining or the wall.
Patent GB-708436-A (GB)
Title: Improvements in or relating to fertiliser distributors
Inventor: REEKIE GAVIN RALSTON
IPC: A01C15/00
Filed: 1951-03-16
Abstract: 708,436. Fertilizer distributers. FARM MECHANIZATION CO., Ltd. June 16, 1952 [March 16, 1951], No. 6351/51. Class 6 (1) A fertilizer distributer comprises a hopper 3 mounted on a framework 1 supported at the rear on a groundwheel 2. Fertilizer is fed from the hopper through adjustable gates 10 to rotatable saucers 5, the fertilizer being fed to ducts 20 by paddles 18 mounted on a transverse shaft 19, scrapers 17 being provided to intercept fertilizer missed by the paddles. The gates 10 are each fixed to a quadrant 12 provided with a pin 13 engageable with a latch 15 connected to a transverse control bar 16. The flow of material to each screw may be stopped by disengaging the latch 15 from the pin 13 and allowing the gate to fall into the saucer 5. The saucers are driven by worm gearing from a shaft which together with shaft 19 are driven from the groundwheel 2. The distributer is attached to the frame of a ridger by means of hook bolts and may be reversed for distributing fertilizer in front of the ridges.
Patent GB-296721-A (GB)
Title: Winding device for time pieces
IPC: G04B3/04
Filed: 1928-02-29
Abstract: 296,721. Fabriques Movado. Sept. 6, 1927, [Convention date]. Keyless mechanism. -In a small clock, or watch, or alarm clock the winding stem is rotated to wind up the main spring by means of two reciprocating racks attached to slides on the watch &c. case. The invention is illustrated as applied to a rectangularly shaped watch having a movement 1, movement ring 2, back 3, bezel 4 for the glass 5, dial 6, and a winding stem 7 terminating in a knob 8. A pinion 9 on the stem 7 is engaged by racks 10, 11 attached by rods 16, 17 to channel-shaped members 14, 15 sliding in grooves 18, 19 in the movement ring. The racks move in slides 12, 13 so that as the slides 14, 15 are reciprocated away from and towards one another the racks 10, 11 rotate the stem 7 in the usual manner usually achieved by hand. The outermost positions of the slides 14, 15 are defined by stops 23, 24 and in these positions the racks are out of engagement with the pinion 9 so that, if desired, the stem 7 may be moved axially for hand setting. When closed together the slides 14, 15 appear to form part of the casing and to aid this illusion dummy slides 14<1>, 15<1> are fixed to the opposite side of the casing.
Patent GB-1396850-A (GB)
Title: Tool holder
IPC: B23B27/16
Filed: 1974-02-12
Abstract: 1396850 Tool holders SANDCO Ltd 12 Feb 1974 [21 Feb 1973] 06390/74 Heading B3B A tool holder for clamping an apertured indexable cutting insert 12 into a recess in the holder body and supported by a shim plate 14 and a lateral abutment 15, comprises a clamp pin 16 threadably received with loose engagement in a bore 11 and extending into the aperture 13 of the insert 12, and a sleeve 17 at least partially surrounding the pin 16 with a radially outwardly extending collar 21 to abut against and retain the shim plate and a radially inwardly extending cam surface 23, the pin 16 including a co-operating conical abutment 24 so that the clamping force exerted on the cam surface 23 has a component parallel to the axis of the sleeve which acts to clamp the shim plate and a component radially inwardly directed which urges pin 16 and insert 12 against the lateral abutment or abutments. The sleeve 17 is made with a longitudinal gap and is made from a resilient material which prevents the pin 16 shaking loose, and its own resilience grips the inside of the bore 11 to retain the shim plate when the pin 16 is loosened.
Patent GB-115871-A (GB)
Title: Improvements in or relating to Commutating Devices for Internal Combustion Engines.
Inventor: CHURCHMAN EDWARD GEORGE ALEXAN
IPC: F02P7/063
Filed: 1917-10-24
Abstract: 115,871. Churchman, E. G. A. Oct. 24, 1917. Rotary distributors for use in the ignition of internal-combustion engines have the rotating contact 9 shaped hemi-spherically and d held in a thimble 7 carried by a collar 2 on t h e distributor shaft. A spring 10 is placed beneath the contact and bears on a plate 11 on the bottom of the thimble. The upper edge of the thimble is turned inwards to hold the contact in.
Patent GB-893465-A (GB)
Title: Cultivation boxes
IPC: A01G9/10
Filed: 1960-02-24
Abstract: 893,465. Receptacles for growing plants. HANDELSKWEKERIJ M. C. VAN STAAVEREN N.V. Feb. 24, 1960 [Feb. 28, 1959], No. 6448/60. Class 6(2). A cultivation box for seeds or plants is made from a material such as peat mould which softens when damp, and is subdivided into separate compartments by longitudinal and transverse ridges 5, 7 which are pressed up from the bottom of the box. To facilitate transplanting the seedlings or plants grown in the box, the latter may be broken into separate troughlike containers, using the crests of the longitudinal ridges as fracture lines, these smaller containers, together with their contents, being buried in the ground. The material of the container will then soften so that the roots of the plants can grow therethrough.
Patent GB-103585-A (GB)
Title: Improvements in and relating to Internal Combustion Engines.
Inventor: PHELPS COLBY
IPC: F02B57/08
Filed: 1916-05-05
Abstract: 103,585. Phelps, C. May 5, 1916. Two-stroke-cycle engines.-In engines of the kind in which the shaft is stationary, and radial cylinders revolve in connexion with a common crank case, the cylinders are provided with abutments and reciprocatory pistons, intake valves being mounted in these abutments. Each piston head 6 works between the cylinder head and abutment 10 to form a suction and compression chamber at the inside of the piston head and a compression and combustion chamber at the outside, and each cylinder is formed with a by-pass 16 to co-operate with a port 15 in the piston. The abutments 10 are kept in place by braces 28 and are provided with valves 17, through which mixture passes from the crank chamber into the piston.
Patent GB-115473-A (GB)
Title: Improvements in Centrifugal Pumps, Condensers and the like.
Inventor: REES EDMUND SCOTT GUSTAVE
IPC: F04F5/42
Filed: 1917-05-07
Abstract: 115,473. Rees, E. S. G. May 7, 1917. Centrifugal-ejector pumps; multi-stage centrifugal pumps.-The emulsion of liquid and gas produced by a spray of liquid projected across a gas space by a centrifugal impeller is subjected to initial compression before entry into peripheral blades on the impeller by which it is thrown into cut-water channels for final compression. Fig. 1 shows one form of apparatus which serves as a liquid and air pump, part of the liquid being dealt with by the blades b only. On each side of the blades b a pressure chamber f is formed by rim members having blades f<1>. From these chambers f, water passes through holes h' and strikes against inclined annular baffle-members i by which it is broken into spray in which the gas from the space j is entrained. Roughened or ruffled surfaces c<2> on the sides of the impeller may be provided to assist in spraying the jets. Alternatively, spraying nozzles as described in Specification 21555/09 may be used. The emulsion enters the constricted annular opening formed by the conical flanges d<2> by which it is directed on to the wing portions b<1> of the vanes b. 'The liquid passing through the main portion of the vanes b and the emulsion from the wing portions, are flung into the fixed cut-water channels l. In alternate constructions, the initial compression is obtained by means of fixed internal cut-water blades m which direct the emulsion to peripheral blades k. Fig. 5 shows such a construction, adapted for use as an air pump only. The peripheral blades k or the peripheral portions of the blades b are widened towards the periphery so as to avoid compression of the mixture as it passes through the blades. The air and liquid are thus separated by centrifugal force and are discharged in the form of plugs to the cut-water channels. The impellers may be constructed as described in Specifications 4810/06 and 26188/12. These pumps are especially applicable for dealing with suction lifts liable to air leaks, for circulating water through surface condensers, or as high-speed jetcondensers.