baber/WOPTO huggingface dataset:
Patent GB-839936-A (GB)
Title: Improvements relating to weapon-carrying vehicles of the endless track type
IPC: F41H7/02
Filed: 1958-05-05
Abstract: 839,936. Weapon - carrying vehicles. BERGE, S. E. May 5, 1958 [May 6, 1957], No. 14270/58. Drawings to Specification. Class 92 [Also in Group XXXI] A tracked weapon-carrying vehicle has separate traversing devices on each side movable into and out of engagement with its tracks which can move the tracks back and forward to traverse the vehicle after it has been stopped. In the example described a gun mounted non-traversably on the vehicle (Fig. 1, not shown) can be trained on to its target by first aligning the vehicle with its normal steering gear and then making the final adjustment by use of devices described in detail in Group XXXI.
Patent GB-552592-A (GB)
Title: Improvements in connection with the laying of concrete or like surfacing material onexisting concrete floors
IPC: E04F15/12
Filed: 1941-11-07
Abstract: 552,592. Concrete floors. ELGOOD, F. E. Nov. 7, 1941, No. 14347. [Class 20 (iv)] An existing concrete floor A is provided with an additional surface layer of concrete or other surfacing E, and separation of the edges of the sections of this layer from the floor A is prevented by first partly embedding anchoring devices B in the concrete A, then securing reinforcing members to the projecting ends, and then applying the surfacing material. The layer E may comprise an under layer e<SP>1</SP> of shingle paving and an upper layer e<SP>2</SP> of metallic granulated paving. Instead of employing separate anchoring devices B, the member D my be formed with loops B, Fig. 3, which are first partly embedded in the existing concrete, and the surfacing layer then added.
Patent GB-1171668-A (GB)
Title: Door Retainer
IPC: E05C17/20
Filed: 1967-03-29
Abstract: 1,171,668. Door holders. R. BREMICKER and M. BREMICKER [trading as ED. SCHARWACHTER]. 29 March, 1967 [31 March, 1966], No. 14359/67. Heading E2A. A door holder comprises a stay bar 10 for pivotal connection to a door at a location spaced from the hinge axis hereof, and a latch 11 for attachment to the door post adjacent the door hinge and which cooperates with the stay bar and comprises a stop 22 engageable with a detent on the stay bar and a torsion spring member 20 connected to the stop. As shown the stay bar 10 is mounted on a pivot 13 on a door post and slidably engages a web 28 of a bracket 25 mounted on a door hinged to the door post. The latch 11 comprises a rod-spring arrangement 20, 21, 22, 23, 24 located in the bracket cooperates with the stay bar such that when the door is opened a serrated roller 15 on the stay bar is engaged by the portion 22 of the spring arrangement to stress the portion 20 in torsion and to thus hold the door open. Movement of the door is limited by a head portion 17 of the stay-bar. In a modification this movement may be limited by the roller 15.
Patent GB-1261914-A (GB)
Title: Improvements in mixing apparatus
Inventor: LOVE GORDON
IPC: B01F27/93
Filed: 1968-03-25
Abstract: 1,261,914. Mixing powder with liquid. SILVERSON MACHINES Ltd. 18 March, 1969 [25 March, 1968], No. 14363/68. Heading B1C. Apparatus for mixing a solid with a liquid comprises a vessel 3 into which the materials may be continuously supplied, and which discharges at 15 into a mixer casing 33, through apertures 37 in which the material is expelled by impeller 39. There may be a second mixing device comprising impeller 65, screen 55 and apertures 63 discharging into guide tube 71. There may also be an adjustable impeller 73 within the vessel 3. As shown, the vessel 3 may be mounted within a tank 1 from which liquid recirculates through the inlet 21; alternatively the vessel 3 may be supported by a float in the liquid in tank 1. In another embodiment (see Fig. 2, not shown) the apparatus is disposed between an upper, inlet conduit (113) and a lower, outlet conduit (115) with the mixing devices immersed in the liquid in the lower conduit.
Patent GB-1145486-A (GB)
Title: Apparatus for determining thermal conductivity
Inventor: MAHMOODI PARVIZ
IPC: G01N25/18
Filed: 1966-04-01
Abstract: 1,145,486. Determining thermal conductivity electrically. MINNESOTA MINING & MFG. CO. April 1, 1966, No.14424/66. Headings G1D and G1N. [Also in Division G3] An apparatus for determining the thermal conductivity of a solid material by a comparative method comprises a housing 8 with a guard tube 6 mounted inside, a heat source 4 mounted at one end of the guard tube, a heat sink 5 mounted at the other end; the space between the heat source and the heat sink being adapted in receiving samples including at least one sample N 1  of known thermal conductivity and one sample V of unknown thermal conductivity, a plurality of heater wires H 1  - H 7  being helically wrapped around said guard tube and separated by a spacing substantially equal to the spacing between windings of the coils, thermo-couples T 1  -T 7  for determining the temperature of the medium 7 which surrounds the samples and control means to individually control the intensity of heat generated by each heater. The surrounding medium 7 is low thermal conductivity ceramic powder. In the embodiment shown two samples N 1 , N 2  of known thermal conductivity are used. Thermo-couples T 1  -T 7  are . mounted on supports 10 so as to be adjacent the samples. Each sample is provided with two thermo-couples Ta, Tb equally spaced in each sample, with the unknown sample thermo-couples positioned close to its abutting ends. In operation the heaters H 1  -H 2  are adjusted so that the temgradient through the surrounding medium is the same as that through the samples to ensure against radial heat lens. Since the comparative temperature drop of the samples is inversely proportional to the comparative thermal conductivity of the samples, a simple ratio determines the unknown thermal conductivity.
Patent GB-183640-A (GB)
Title: Improvements in or relating to kinema theatres and other structures
IPC: A63J25/00
Filed: 1921-05-24
Abstract: 183,640. Holcroft, C. W. May 24, 1921. Exhibitions, spectacular.-Relates to apparatus for imitating the motion of an aeroplane in flight which can be used independently or in connection with kinematograph exhibitions. According to the invention a frame 20, carrying passenger seats, is mounted to be rocked longitudinally about an axle 27 and rolled laterally about an axle 38 by means of a motor 32 and the mechanism shown. A kinematograph screen 22 may be mounted on the frame 20 and a lantern in front of it. The operator stands on a platform which remains substantially horizontal. A fireproof curtain is operated by a rope 23. A hinged trap door 34 is provided, so that the tail of the structure may dip below the ground level. The central part 25 of the aeroplane wings. moves with the frame 20, but the remaining parts 11 are stationary.
Patent GB-888553-A (GB)
Title: Improvements in or relating to supervising apparatus for maintaining predetermined mixture proportions in the dry constituents of a mixture
IPC: G01G19/22
Filed: 1960-04-25
Abstract: 888,553. Automatic mixture control systems. WIBAU WESTDEUTSCHE INDUSTRIEUND STRASSENBAU - MASCHINEN G.m.b.H. April 25, 1960 [April 25, 1959], No. 14489/60. Class 38 (4). [Also in Group II] In a mixing control system, a predetermined weight of dry mixed material is removed intermittently and its constituents sorted into separate bins the contents of which are passed to a weighing-machine controlling the delivery from containers which supply constituents for mixing. As shown, four materials for the preparation of a dry mixture, e.g. for road surfacing, are supplied from hoppers A-D via a conveyer E, dryer F, shoot 1, bin G and conveyer H to a mixer J. An electrically-controlled flap 2 is periodically opened so that a sample of the material passes into a weighing-machine hopper 3a, and, when the weight reaches a predetermined value, weighing-machine pointer 3<SP>11</SP> engages a contact 3<SP>1</SP> to close flap 2 and open a flap 4 to transfer the sample to a sorting screen 5 which separates the constituents into bins 6-9 in accordance with particle size. After a time determined by a timer 10, flaps 6a-9a of bins 6-9 are opened in succession to transfer each constituent to a hopper 17 of a weighing-machine, the pointer of which is coupled successively through electromagnetic clutches 13/6-13/9 to set bridge circuit potentiometers 14/6-14/9 to correspond with the weights of each constituent in the sample. The output voltages of the bridge circuits, which are set manually according to the desired weights of each constituent, respectively control the openings of hoppers A-D so that any errors are automatically corrected. After each constituent is weighed in hopper 17 it is automatically transferred to bin G via a conveyer K and an elevator L.
Patent GB-160100-A (GB)
Title: Improvements in apparatus for separating dust and the like from gases
IPC: B01D45/16
Filed: 1920-05-27
Abstract: 160,100. Boby, Ltd., R., and Jennings, M. May 27, 1920. Impurities; separating from gases.-In apparatus for separating dust from air and gases in stages within a vessel containing a conical hood, the air impinging upon the inner surface of the hood and having its direction changed and its velocity reduced as it passes through the vessel, additional conical hoods are provided within the vessel. As shown, the air-inlet pipe b, Fig. 1, communicates with the interior of the container a having an air outlet c which may be connected with a suction device, and a dust outlet d. A conical hood e closed at its lower end encircles the inlet pipe, and a hood f having a conical depending skirt f<1> is fitted at the upper and open end of the hood e. Baffle-plates i, j, are provided within and at the lower portion of the skirt to reduce the velocity of the air. In a modification, the cover at the lower end of the hood e is replaced by a dust-pipe extending through the lower portion a<1> of the container and closed by a removable cap. In another arrangement, the inlet pipe b, Fig. 2, is tapered, and the air current entering the container is subdivided by a hood k, having an open and upwardly extending central portion which communicates with a hood e. The subdivided air currents pass through passages formed in the container by means of hoods f, n, and finally unite.
Patent GB-808220-A (GB)
Title: Improvements in or relating to display shelves
IPC: A47G29/02
Filed: 1956-05-10
Abstract: 808,220. Brackets. NIELD, D. May 10, 1957 [May 10, 1956], No. 14501/56. Class 52(5) A shelf 16 has secured to, or integral with its rear edge an upstanding part or parts 15 provided with inclined holes to accommodate and guide fixing pins whereby it is attached to a wall. A separately formed stay 24 engaging sockets 22, 25 under the shelf and also having inclined holes to receive pins 28, 29 may be provided.
Patent GB-398958-A (GB)
Title: Improvements in and relating to alkaline treatment baths for vegetable and regenerated cellulose fibres
IPC: D06M15/15
Filed: 1932-05-21
Abstract: Protein decomposition products, such as the moderately highly decomposed products which give the Breiret reaction obtained by heating a protein in a caustic alkali solution, are added to intensive alkaline treatment baths for the bucking and mercerization of vegetable fibres and fibre structures and for the bucking of fibres or fibre structures of regenerated cellulose. Suitable proteins are albumen, casein, glue, skin, flesh parts, hair, fruits, seeds and gluten and they may be decomposed by means of alkalies, acids, oxidizing agents, pectases and steam.  In examples, (1) a solution of caustic soda and soda in water together with casein decomposed by heating with caustic soda is used for bucking de-sized cotton fabric; (3) a cold caustic soda solution containing the decomposed protein of example (1) is used for mercerizing raw cotton yarn.ALSO:Decomposition products of protein or albuminous substances are added to intensive alkaline treatment baths for the bucking or scouring of vegetable or regenerated fibres or fibre structures. Suitable proteins are albumen, casein, glue, skin, flesh, hair, fruits, seeds, and gluten; they may be decomposed by alkalies, acids, oxidizing agents, pectases, steam, or other known means. Up to 20 gm. of protein per litre of bath is used.  For example, 1000 kg. of desized cotton fabric is bucked by the solution in 2200 litres of water of 18 kg. of caustic soda, 900 gm. of soda powder, and 2 gm. of casein decomposed by heating with 8 kg. of 15 per cent. caustic soda solution.
Patent GB-1196517-A (GB)
Title: Punch Check
IPC: G06K5/02
Filed: 1968-03-26
Abstract: 1,196,517. Selective signalling. BURROUGHS CORP. 26 March, 1968 [27 March, 1967], No. 14533/68. Heading G4H. [Also in Division H3] In a system for verifying the operation of a punch 17, Fig. 2, the punch is arranged to complete one of two magnetic flux paths in accordance with whether it is depressed or not, one of the flux paths including a core 47 carrying two windings whereby the magnetic state of the core can be sensed. In the depressed position of the punch 17, as shown in Fig. 2, the flux path extends from a permanent magnet 23, via a support member 11, the punch 17, and a member 35, back to the magnet. In this position substantially no flux passes through the core 47 and the coupling between the coils is high. In the non-depressed position of the punch, Fig. 3, because of a recess 53 in the punch the flux path now includes a member 41 and the core 47, instead of the member 35, and the coupling between the coils is now low. In use, interposer solenoids 61 are energized in accordance with the data to be punched, and during the period when the punches should be in their depressed positions a pulse is passed in series through one coil on each of the cores 47 and the outputs from the other coils are compared with the data that controlled the interposer solenoids.
Patent GB-186380-A (GB)
Title: Improvements in and relating to vehicle suspensions
IPC: B60G11/18
Filed: 1921-05-25
Abstract: 186,380. Waters, S. J. May 25, 1921. Straight bars arranged for torsion.-Relates to vehicle suspensions comprising a number of torsion rods of substantial cross-sectional area arranged side by side adjacent each other and forming the main shock absorbing device, all the rods acting in conjunction with one or both wheels on an axle for rolling as well as vertical motion of the body relatively to the axle. According to the invention all the torsion rods are connected together by means which prevent relative rotational motion between them at the point of connection. As shown in Fig. 1, a group of longitudinally arranged torsion rods 3 3a is used in conjunction with each end of the axle. The rods 3, 3a of each group are rigidly connected together at one end by a member 4 provided with. a pivot 5 mounted in a bearing 6, the other ends of the rods being rigidly connected respectively to a lever 2 and to the vehicle frame, the lever being connected to one end of the axle. The pivot 5 may be arranged eccentrically for example in line with the rod 3a. The bosses 7 of the lever 2 may, as shown, be mounted to rotate in bearings 8 on an axis intermediate of the axes of the rods 3, 3<a>, and the members 4 of the two groups of rods may be provided with lugs 9 connected by links as shown in dotted lines. In the modification shown in Fig. 2, one group of rods is used in conjunction with both ends of an axle. The rods 3, 3a rigidlv connected by the member 4 are rigidly connected to a rod 10 of greater strength secured to the frame of the vehicle and arranged coaxially with the rod 3 which is directly secured to the lever 2. The other lever 2 mounted on a pivot 11 is connected by a link 12 to a lever 13 the boss of which rotates in a bearing 14 and is rigidly secured to the rod 3a. The rods may be arranged transversely of the vehicle frame as shown in Fig. 5. The rod 3, rigidly secured at its end to the lever 2 carrying an axle, is rigidly secured by a member 4 to torsion rods 3a, 3b arranged on each side of the rod 3. Each rod may be in two parts which are rigidly connected by the member 4. Modifications are also described in which only two transverse rods are used. Adjacent torsion rods may be actually in contact with each other. The groups of torsion rods are preferably initially stressed so that when under maximum 'load they are parallel with one another. Specification 149,718 is referred to.
Patent GB-1294031-A (GB)
Title: Improvements in hydrodynamic bearing and shaft assemblies
IPC: F16C17/02
Filed: 1970-03-25
Abstract: 1294031 Bearings REGIE NATIONALE DES USINES RENAULT 25 March 1970 [26 March 1969] 14608/70 Heading F2A A hydrodynamic bearing has a bore thereof provided with three angular areas A having a similar contour and being of the same size. Each area A comprises a section B having a sinusoidal profile which extends beyond a half-sinusoid, having a median line M, and having a concave portion between points 1 and 2 and a convex portion between points 2, 3 and 4. The distance between the point 3 and a shaft mounted within the bearing is the working clearance J. Each area A also comprises a section C having a concave portion H which connects with the point 1 of the adjoining area A. When the shaft rotates in the direction R and oil is fed into each portion H through a respective hole 5, the pressure of the oil increases as the oil moves towards the point 3, as shown in Fig. 3. The pressure of the oil begins to decrease just before the oil arrives at the point 3 and is zero at the point 4. The oil is then received by the adjacent portion H. The generatrices of the limits of each portion H, Fig. 1, are curved with a median convexity extending in the direction of the rotation of the shaft.
Patent GB-1466924-A (GB)
Title: Indazole derivatives
IPC: A61P9/12
Filed: 1974-04-02
Abstract: 1466924 4 - Amino - indazole derivatives WANDER Ltd 2 April 1974 [5 April 1973] 14646/74 Heading C2C The invention comprises novel compounds of the Formulµ I and II wherein R 1  is H or C 1-3  alkyl, R 2  is H, halogen, OH or C 1-3  alkyl, alkoxy or alkylthio, R 3  is H, halogen, OH or C 1-3  alkyl or alkoxy, A is dimethylene or trimethylene wherein one hydrogen may be replaced by OH or C 1-3  alkyl and R 4  is -YR 5 , -NHNO 2  or NHR 5  where Y is oxygen or sulphur and R 5  is hydrogen or C 1-3  alkyl and acid addition salts thereof. Compounds of the Formula I may be prepared by (a) reacting a compound of the Formula II with a compound NH 2 -A-NH 2  (III), (b) cyclizing a compound of the Formula V or (c) reacting a compound of the Formula VI with a compound III. Compounds of the Formula II may be prepared by (a<SP>1</SP>) saponifying a compound of the Formula VIII to produce II wherein R 4  is OH or mercapto, (b<SP>1</SP>) alkylating a product of process (a<SP>1</SP>) to produce II where R 4  is C 1-3  alkylthio or alkoxy, (c<SP>1</SP>) reacting a compound of the Formula IV with cyanamide or a C 1-3  alkylcyanamide in the presence of an acid to produce II in which R 4  is NH 2  or NHC 1-3  alkyl, or (d<SP>1</SP>) reacting a compound of the Formula IV with methylnitrosonitro-guanidine to produce a compound II in which R 4  is NHNO 2 . N - (2 - Aminoethyl) - N<SP>1</SP> - (3 - chloro - 1H- indazolyl-4)thiourea is prepared by reduction of 3 - chloro - 4 - nitro - 1H - indazole to 4-amino- 3-chloro-1H-indazole followed by reaction with thiophosgene to produce 3-chloro-4-isothiocyan- 1H-indazole and then reaction with ethylene diamine. 4 - Cyanamido - 1H - indazole is prepared by dehydrosulphurization of (1H-indazolyl-4-)thiourea. Pharmaceutical compositions of a compound I or II or a pharmaceutically acceptable acid addition salt thereof show antihypertensive action when administered as a tablet or solution.
Patent GB-696857-A (GB)
Title: Fire grate or stove surrounds
Inventor: ROYALL FREDERICK ALBERT
IPC: F24B1/198
Filed: 1951-06-21
Abstract: 696,857. Surrounds for fireplaces. RADIATION, Ltd. June 19, 1952 [June 21, 1951], No. 14730/51. Class 126 To effect an air tight seal between a surround and the adjacent brickwork or tiling of the chimney breast by means of an asbestos or like cord, lips b, d, adapted to locate the cord and notches g, f through which the cord may be inserted are formed along the sides of the surround members a, e, the cord being secured to the surround by knotting its ends.
Patent GB-985378-A (GB)
Title: Electric switch
IPC: H01L39/10
Filed: 1963-04-16
Abstract: 985,378. Superconductor apparatus. UNITED STATES ATOMIC ENERGY COMMISSION. April 16, 1963 [Oct. 2, 1962], No. 14816/63. Heading H1K. An electrical switch for superconducting apparatus comprises a superconductor wire 11 in a shell 13 with means 17 for admitting coolant from crystal 20 into the shell and means 15, controlled by valve 21, for admitting gas such as helium above the transition temperature, to render wire 11 non-superconducting. Wire 11 is connected in series with circuitry 19 which can thus be effectively controlled by valve 21. The superconductor 11 may consist of Nb, In, Nb-Zr, or Nb 3 Sn and may be ribbon shaped and have fins affixed to facilitate rapid heat exchange.
Patent GB-1390163-A (GB)
Title: Process for gas-absorption and dust-removal
IPC: B01D53/50
Filed: 1973-03-28
Abstract: 1390163 Scrubbing process FUJI KASUI ENG CO Ltd and SUMITOMO METAL INDUSTRIES Ltd 28 March 1973 [25 July 1972] 14820/73 Heading B1R [Also in Division C1] A process for removing a specific gas component and/or fine dust from a gas comprises passing the gas upwardly through a plate tower comprising at least one perforated or grid plate having neither downcomer nor weir and having a free space ratio (defined) of 0.25-0.60 at a superficial gas velocity (defined) within the undulation region (defined) while passing absorbant liquid upwardly under a liquid/gas ratio of 0.5 or more. The examples describe the scrubbing of flue gas with water, and gases containing SO 2 , NO x  and H 2 S with solutions of Na 2 CO 3 , NaClO 2  and NaOH respectively.
Patent GB-396355-A (GB)
Title: Improvements in or relating to valve gear for internal combustion engines
IPC: F01L1/245
Filed: 1932-04-04
Abstract: 396,355. Lubricating cams and tappets. HALFORD, F. B., 9, Golden Square, London. April 4, 1932, No. 14878/33. Divided on 394,777. [Class 12 (ii).] In engine valve gear of the type in which the operating-thrust is transmitted through a column or pad of liquid admitted past a non-return valve 36 to a space between two of the operating-members, the liquid may be oil and may be used to lubricate the cam or other rubbing parts, for example by means of passages 58, 59, 60. In a modification, the ball valve seats upon a cup member secured in the hollow tappet 56, the oil passing between the cup member and tappet, and through a hole at the bottom of the tappet, on to the cam.
Patent GB-799369-A (GB)
Title: Phase sequence filter
IPC: G01R29/18
Filed: 1956-05-14
Abstract: 799,369. Protective cut-out systems. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. May 14, 1956 [May 28, 1955], No. 14880/56. Class 38 (5). A phase-sequence filter for a three-phase system has two current transformers 1, 2 feeding two impedance circuits. Transformer 1 feeds a resistor 6 and the primary 7 of a transformer 3 whilst transformer 2 feeds a resistor 4 and reactor 5 in parallel and also a small additional primary 9 of the transformer 3. The output is taken from the terminals 10 across the circuit comprising resistor 6, transformer secondary 8 and the parallel resistor 4 and reactor 5. The Specification shows with the aid of vector diagrams (Figs. 2 and 3, not shown) that the output is a measure of the negative phase sequence component and that no positive phase sequence component appears even when the system frequency changes. The winding 9 may be omitted and instead the values of resistors 4, 6 and the air gap in the transformer 3 adjusted.