baber/WOPTO huggingface dataset:
Patent GB-624993-A (GB)
Title: Improvements in or relating to rotary piston motors
IPC: F01C1/20
Filed: 1947-07-23
Abstract: 624,993. Rotary cylindrical valves. BERRY, F. July 23, 1947, No. 19737. Convention date, July 24, 1946. [Class 135] [Also in Group XXVI] A multi-stage engine of the rotary-abutment type has reversing means comprising a rotary valve 25 having diagonal passages 26, 27 for directing working fluid from the first to the second stages, and the second to the third stages respectively. The setting in Fig. 9 gives clockwise rotation of the rotor 14, which carries pistons, only one 17 of which is shown, in cylinders 11, 12, 13. An inlet passage 28 supplies a channel 22R and fluid in another channel 22L flows through the passage 26 to a channel 23R. This continues until the fluid is exhausted through ports 29, 31. By rotating the valve 25 through its lever 61, secured to a shaft 50, the passages 26, 27 connect channels 22R- 23L and 23-24L, working fluid then driving the rotor 14 in an anti-clockwise direction. To assist in starting up, a connection 32 admits high-pressure fluid direct to the channel 26. Holes 68 allow oil to drain down from the valve chamber and equalize fluid pressure. A collar 66 seats against the end of a bolt 48, the end projecting into an opening in the bolt head, and is withdrawn by means of a knob 65 when the valve is to be reversed.
Patent GB-757311-A (GB)
Title: Electrical connector and method of connecting it to a wire
IPC: H01R4/20
Filed: 1952-08-06
Abstract: 757,311. Cable and wire terminals. AIRCRAFT-MARINE PRODUCTS, Inc. Aug. 6, 1952 [Aug. 25, 1951], No. 19805/52. Class 38 (1). [Also in Group XXII] A connector comprising a ferrule portion 22 and a side element 24 and which may be insulated by a sheath 28 is crimped on to a conductor 30 by pressure applied in a direction parallel to the axis of the side element so that the connection thus formed has a reduced width in the said direction in the region of the crimp, the extension taking place in a plane perpendicular to the said plane. The crimping die, claimed in Specification 757,376, [Group XXII], comprises three die blocks 33, 35, 36, the space between the blocks 33, 35 being just sufficient to receive the side element 24. The sheath 28 may extend beyond the ferrule 22 and be crimped on to the conductor insulation by the crimp 29 disclosed in Specification 585,507.
Patent GB-315991-A (GB)
Title: Improvements in the conversion of hydrocarbons of high boiling point into others of low boiling point
IPC: B01J31/26
Filed: 1928-07-07
Abstract: 315,991. Johnson, J., Y., (I. G. Farbenindustrie Akt.-Ges.). July 7, 1928. Hydrogenation, destructive; hydrocarbons, cracking.-Low boiling point hydrocarbons are obtained from mineral oils, tars, products of the hydrogenation, distillation or conversion of coals, tars, oils and the like into low boiling products, by acting upon the said materials at an elevated temperature and in the presence, or not, of gases or vapours with aldehydes or ketones which latter contain more than three carbon atoms in the molecule. Metals, oxides or salts may be employed in addition to, or in combination with, the aldehydes and ketones. In examples (1) 100 parts of producer tar, free from benzine, heated in an autoclave with 5 parts of propionic aldehyde for 4 hours at 400-430‹ C. yield 38 parts of products boiling below 200‹ C.; (2) 100 parts mineral oil, free from benzine, distilled with 5 parts benzophenone in a nickel-chromium steel retort yield 17 parts of products boiling below 200‹ C.; (3) low temperature tar,- free from benzine, is dropped at 600‹ C. and in a current of hydrogen on to pumice impregnated with 5 per cent of sodium formaldehyde sulphoxylate and contained in a copper-nickel alloy column; 96 per cent of liquid products is obtained, of which 29 per cent boils below 200‹ C.; (4) 100 parts of thin tar, free from benzine, treated with 4 parts of 40 per cent formaldehyde and 1 part of aluminium chloride in an autoclave for 3 hours at 400-440‹ C. yields 44.4 parts of product boiling below 200‹ C.
Patent GB-147838-A (GB)
Title: Improvements in the manufacture of juices and jellies with conserve or marmalade from fruits or the like vegetable constituents
IPC: A23L2/04
Filed: 1920-07-09
Abstract: 147,838. Bielmann, C., and Bielmann, O. Nov. 24, 1916, [Convention date]. Fruit extracts and syrups.-Syrup, jelly, and conserve or marmalade are produced by passing liquors from sugar factories, such as molasses, diluted and purified if necessary, through a series of diffusion vessels containing appropriate vegetable substances. An example of the process is described in which molasses are diluted with an equal quantity of water, purified with gelatinous silicic acid, and passed through six diffusion vessels in series. The first two vessels contain slices of beetroot, the third young vine shoots, the fourth stalks of rhubarb, and the fifth and sixth dried apple parings or the like. The liquid is drawn off in stages; first an amount equal to the contents of one of the vessels, which solidifies into a jelly, and then a similar amount which forms a syrup, with or without concentration. The materials in the vessels is then broken up and mixed and forms a conserve or marmalade. Other fruits or vegetables may be used, and in particular the leaves of nut bearing trees may replace the vine shoots.
Patent GB-1012466-A (GB)
Title: Motor vehicles with tiltable cabs
Inventor: MANNING WALTER
IPC: B62D33/073
Filed: 1964-05-13
Abstract: 1,012,466. Vehicle controls. FORD MOTOR CO. Ltd. May 13, 1964, No. 19888/64. Heading B7H. In a motor vehicle having a driver's cab tiltable forwardly about a forward hinge to provide access to the engine, the gear shift lever 1 is cranked and is connected to the gear shift mechanism 4 by means of a socket member 2 in which the lever may be swivelled by pushing it against the pressure of a spring 6 to a position wherein a tubular retaining member registers with a groove 7. The gear lever also has " flat " portions 11 at 180 degrees which are caused to register with the member 8 by the action of the spring 6 whereby the lever is retained in either of the positions shown in full or broken lines, the full line position being for normal running and the broken line position is such that the lever will not foul the cab when the latter is being tilted forwardly. Specification 996,140 is referred to.
Patent GB-643696-A (GB)
Title: Improvements relating to pipe and like joints
Inventor: WATT JOSEPH LOUIS
IPC: F16L23/04
Filed: 1948-07-26
Abstract: 643,696. Pipe &c. joints. LUCAS, Ltd., J. July 26, 1948, No. 19901. [Class 99(i)] One or each of two flanges b, between which may be a washer d, of pipes a have wedge-like projections c that engage complementary projectons i on a channel-section, flange-embracing ring e when the latter is rotated relatively to the flanges to press the latter into tight-contact. The ring may comprise two or more segments pivotally connected by pins f, and undesired rotation of the ring may be prevented by a screw h passing through a slot g and engaging in a notch of the flange peripheries.
Patent GB-291984-A (GB)
Title: Improvements in trolley heads as used on electric tramway and railway vehicles
IPC: B60L5/06
Filed: 1927-07-28
Abstract: 291,984. Baker, A. C., and Dudgeon, H. M. July 26, 1927. Trolly heads.-A small contact piece f is provided in addition to the trolly wheel a and is held up by a spring h or weight so that it remains in contact with the wire g should the wheel a momentarily leave the wire. The contact f is carried by an arm e pivoted upon the wheel spindle d, a stop j limiting the upward movement of the arm. Specification 120,187 is referred to.
Patent GB-860159-A (GB)
Title: Improvements in and relating to delay and/or priming compositions
Inventor: WILLOWS RICHARD
IPC: C06B27/00
Filed: 1948-07-27
Abstract: 860,159. Pyrophoric compositions. WILLOWS, R., and BALL, F. E. July 22, 1949 [July 27, 1948], No. 20017/48. Class 9(2). A delay or priming composition comprises an intimate mixture, in finely divided form of one or more of the elements sulphur, selenium and tellurium, and a metal which provides with the above elements a gasless exothermic reaction mixture having an ignition temperature below 300‹C. and a reaction temperature of not less than 500‹C., together with an inert diluent material such as barium sulphate. Metals specified are lead, tin, cadmium and bismuth. The compositions are preferably pelleted and can be ignited with a hot wire or a strand of burning cordite. An electric paper tube igniter can be used if granular black powder is mixed with the composition. The tin-selenium-barium sulphate mixtures can be used to prime tracing compositions and thermite in incendiary bombs. The Provisional Specification refers to nickel as a suitable metal for use in the composition.
Patent GB-794311-A (GB)
Title: Apparatus for fusing spaced sheets of glass
Inventor: COWLEY CHARLES HAROLD
IPC: C03B23/24
Filed: 1956-06-29
Abstract: 794,311. Glass manufacture. LIBBEYOWENS-FORD GLASS CO. June 29, 1956, No. 20137/56. Class 56. In the marginal fusing of glass sheets to form hollow glazing units, the sheets are carried in the desired spaced relationship on means which are moved along a definite path and are rotated by means disposed along the path, to present different edges to the fusing means. The glass sheets 21, 22 are carried, one upon the upturned edges of a tray 35 and the other upon stepped ends of arms 40 pivoted at 39 in brackets 36 extending from the tray 35, the whole being mounted for rotation on a shaft 43 journalled in a bearing member 46 having guide rollers whereby it is moved along rails when it is clutched to a conveyer chain 62 by a lever 60 pivoted at 59 and having a chain-engaging pin 61. The glass-sheet carrier is moved from a loading position outside a tunnel oven, through a temporarily removable door, through a preheating zone, heated by electric resistances, to a zone where opposite edges of the sheets are fused, and from thence to a position where the glass-sheet carrier is indexed through a rightangle so that, in the next zone, the remaining edges of the glass are fused preparatory to the goods passing through the annealing zone. The fusing-means comprise burners 80 which are vertically adjustable on retractable wheeled carriages 83, the gas-air supply tube which projects into the furnace being water jacketed. The edges of the upper glass sheet 21 sag on to the edges of the lower glass sheet 22 almost instantly as the burners act thereon, and immediately before the burners are reached, stationary posts 105 contact the arms 40 and swing them out of the glass-supporting position so that the glass is free to sag as the arms are successively removed from under the top sheet of glass. The shaft 43, which passes through a slot in the furnace bottom carries, at its lower end, a toothed quadrant 44 which contacts an adjustable stationary straight rack which swings the shaft through a right angle against a limit stop. The glass sheets are thus positioned for presentation to another opposed set of burners and to other posts 105 which swing the remaining arms 40 successively out of position. Specification 782,147 is referred to.
Patent GB-1243460-A (GB)
Title: Optical apparatus for measuring physical quantities
Inventor: SKLYARUK ANATOLY GRIGORIEVICH
IPC: G01D5/34
Filed: 1969-04-21
Abstract: 1,243,460. Optical indicators. ZAVOD ELEKTROIZMERITELNYKH PRIBOROV. April 21, 1969, No.20184/69. Heading G2J. A device for measuring and/or indicating a variable quantity, e.g. an electrical measurement, comprises a light guide 1 of circular disc shape one major surface 3 of which has a concave face 4, the other major surface having a recessed portion 7 on the axis 2 of the guide 1 to accommodate a light source 8 whereby light exits from edge faces 5 after being totally internally reflected in the guide 1, at least one photo-sensitive element 9 or 10 adjustable about the axis 2 and a member 13 having a shield 12 also movable about the axis 2 with the shield 12 and adaptable to pass between the light guide 1 and the photo-sensitive device 9 or 10 and interrupt the light path from the guide when the quantity being measured attains a predetermined value. Preferably two photo-sensitive devices 9, 10 are used and are adjusted to mark the maximum and minimum limits of the range of measurement to be made. The concave face 4 may be spherical, conical or generally conical but having coaxial annular corrugations. The recess 7 is formed in a coaxial cylindrical projection 6. The major faces may have a light reflecting coating, and a predetermined filter may be located adjacent edge face 5. The light guide 1 may be shaped so as to give only limited annular movement, e. g. up to 160 degrees.
Patent GB-1084487-A (GB)
Title: Diazonium salt and diazotype copying material containing same
IPC: G03C1/54
Filed: 1966-05-06
Abstract: The invention comprises diazonium salts of the formula <FORM:1084487/C2/1> in which R1 denotes a hydroxyalkyl radical of 2-4 carbon atoms, R2 denotes an aryloxyalkyl or arylthioalkyl radical, R3 denotes hydrogen or an alkyl, alkoxy or o -hydroxyalkoxy group, R4 denotes hydrogen or halogen or an alkyl or alkoxy group and X denotes an anion.  The compounds may be prepared by known methods, as in the following examples:  (1) A compound of the formula <FORM:1084487/C2/2> is prepared from the corresponding compound unsubstituted in the p-position to the substituted amino group by a process involving nitration, reduction of the nitro group to an amino group, conversion of the amine into a fluoroborate and diazotization. Similarly obtainable are the corresponding compounds in which (a) an ethoxy or hydroxyethoxy group replaces the methoxy group, (b) a hydrogen atom replaces the chlorine atom, (c) a phenylthioethyl group or a naphthoxyethyl group replaces the phenoxyethyl group, (d) a phenoxypropyl group replaces the phenoxyethyl group, (e) a b -hydroxypropyl group replaces the hydroxyethyl group, and (f) the phenoxyethyl group is substituted by chlorine in the 4position.  (2) A compound of the formula <FORM:1084487/C2/3> is prepared by forming an azo dyestuff from 4-nitro-benzene diazonium chloride and 1-N-(b  - hydroxyethyl - b  - phenoxyethyl) amino-2,5 - diethoxybenzene, reducing the free base of the dye to yield 1-N-(b -hydroxyethyl-b -phenoxyethyl) amino - 2,5 - diethoxy - 4 - aminobenzene, diazotizing the latter and converting the diazo compound into its stannic chloride salt.  (3) A compound of the formula <FORM:1084487/C2/4> is prepared by reacting 2-toluidine with bromethyl-phenylether to yield 1-N-(b -phenoxyethyl)amino-2-methylbenzene, reacting this product with ethylene oxide to yield 1-N-(b -hydroxyethyl - b  - phenoxyethyl) amino - 2 - methylbenzene, reacting the latter with diazotized p-nitraniline and reducing the azo dyestuff so obtained to yield 1-N-(b -hydroxyethyl - b  - phenoxyethyl) amino - 2 - methyl-4-aminobenzene, which is finally diazotized and the diazo compound is converted into its cadmium chloride salt.  The products are useful in diazo-type photography.
Patent GB-334516-A (GB)
Title: An improved device for the periodic opening or closing of an electric circuit
IPC: H04M19/02
Filed: 1929-04-29
Abstract: 334,516. Siemens Bros. & Co., Ltd., and Humphries, H. E. April 29, 1929. Divided on 334,205. Selectors responsive only to a particular code signal.-A device for opening and closing a circuit at a definite periodicity, say half a second, consists of a self-interrupting relay Z, Fig. 3, in parallel with a condenser QA and both in series with a choke or resistance W. The interruption of Z is preferably effected by a relay Y which is controlled by Z and itself controls the external circuit. The periodicity may be varied by a resistance, which may as shown at YA be in the discharge circuit of the relay or may be in the feed circuit W, or the condenser may be variable. The device is put in or out of action by a relay X (not shown). When this relay is de-energized Z is disconnected from QA, so as to release quickly, and QA is connected to a quickdischarge circuit YC. The elements QB, QC, YB are provided for spark quenching. A pair of relays A, B, Fig. 4, may be controlled by Y to cycle at twice. the period of Y. The first closure of y energizes A (i); when y opens, B (i) becomes locked in series with A (i); the second closure of y energizes a differential winding A (ii) to release A, B being held over (ii); the second opening of y releases B in readiness for a fresh cycle. Similarly A, B may control a second pair of relays which cycles at four times the period of Y. The device may be used for measuring the marks and spaces of a wireless alarm signal, as described in Specification 334,205.
Patent GB-643700-A (GB)
Title: Purification of acetic anhydride
IPC: C07C51/573
Filed: 1948-07-30
Abstract: Acetic anhydride is purified by distilling in presence of sodium nitrite, the anhydride having been produced by thermal dehydration of acetic acid in presence of an ammonium phosphate catalyst.  The amount of nitrite is preferably 0.1-0.5 per cent by weight of the weight of anhydride.
Patent GB-920840-A (GB)
Title: Improved method of packaging articles
IPC: B65D75/30
Filed: 1960-06-09
Abstract: 920,840. Packages. COMPAGNIE DU FILAGE, DES METAUX ET DES JOINTS CURTY. June 9, 1960 [June 23, 1959], No. 20393/60. Class 94(1). Gaskets 5 are packaged by being enclosed between two sheets sealed together at their margins, air being either withdrawn or expelled by external pressure prior to sealing. For the latter process a frame electrode may enclose a resilient pad (not shown). One or both sheets may be transparent and a stiff sheet 4 and printed matter may be included in the package.
Patent GB-299117-A (GB)
Title: Improvements in and relating to internal combustion engines
IPC: F02M69/00
Filed: 1927-08-02
Abstract: 299,117. Groves, W. W., (International Motor Co.). Aug. 2, 1927. Cylinders receiving liquid fuel.-Fuel is sprayed from the nozzle j in a hollow conical jet over the edges of the air inlet valve e. In a modification the fuel is sprayed from the other side of the valve in the direction of the air stream.
Patent GB-1503314-A (GB)
Title: Forced convection ovens
IPC: F24C15/32
Filed: 1975-05-08
Abstract: 1503314 Gas-fired forced flow ovens BRITISH GAS CORP 8 May 1975 [10 May 1974] 20680/74 Heading F4W A gas-fired forced flow oven comprises a centrigual or transverse-flow fan 3 for recirculating combustion products/air through a heating or cooking chamber 1 via a venturi tube 6, gaseous flow therethrough inducing flow of combustion products from a combustion chamber 9 containing a gas burner 8. At east one deflector plate 12 is located at the base of a mainfold chamber 4 to ensure uniform flow of gases into the chamber 1.
Patent GB-382627-A (GB)
Title: Improvements in arrangement of compensated cardan joint applicable to the driving and steering wheels of vehicles and for other purposes
IPC: F16D3/34
Filed: 1931-07-21
Abstract: 382,627. Universal joints. VILLARD, M., 70, Rue de Colbert, Colombes, Seine, France. July 21, 1931, No. 20819. Convention date, July 26, 1930. Addition to 372,490. [Class 80 (ii).] The compensated single Hooke's joint of the parent Specification is provided with automatic means to give the cross member its compensating displacement. The cross member is formed as a shell 4, carrying a pin 5 engaging a radially slotted aperture 12 in a ball shaft member 3, and also pivoted on pins 8, 9 in a complementary socket member 2. The shell 4 receives freely in a circular aperture a compensator 7 carrying pins, one 10 projecting inwardly into a circular groove 13<1> in the ball 3, the other 11, outwardly into a groove 14 in the socket member 7. The pins 10, 11 are equidistant from the centre of the compensator 7 and cause a displacement of the pin 5 about the axis of the pins 8, 9 corresponding to half the angle included between the shafts when turned about this axis, to preserve the unitary velocity ratio. The joint may be used for driving steering wheels of motor vehicles, the centre of the joint being preferably located in the median plane of the vehicle wheel.
Patent GB-894536-A (GB)
Title: Arrangement for automatically unloading truck trains and trucks for this purpose
IPC: B65G67/00
Filed: 1959-06-18
Abstract: 894,536. Tipping wagons. BECKERPRUNTE G.m.b.H. June 18, 1959 [June 18, 1958], No. 20882/59. Class 78 (4). A rail track d<SP>1</SP>, d<SP>11</SP> (Fig. 1) has the configuration shown so that it tips a train of wagons and then returns the wagons to their upright positions. While the wagons are tipped they are supported by auxiliary rails f<SP>1</SP>, f<SP>11</SP> engaging above auxiliary wheels mounted concentrically on the outside of the normal track wheels and free to turn relatively to the normal wheels. The rails d<SP>1</SP>, d<SP>11</SP>, f<SP>1</SP>, f<SP>11</SP> are preferably of circular section and may be solid or hollow. Where the wagons each have two axles, one of the axles can swing in a vertical plane to accommodate the twist in the tracks. Preferably, however, the wagons have single axles l as shown in Fig. 4, and are joined by couplings n permitting the trains to twist about a longitudinal axis. The intermediate wagons of the train have no end walls, and their bodies are joined by pretensioned flexible members k to form a single long compartment.
Patent GB-662715-A (GB)
Title: Improvements in and relating to scraper conveyors
IPC: B65G19/24
Filed: 1949-08-11
Abstract: 662,715. Conveyers. DIBECTTC VAN DE STAATSMIJNEN IN LIMBURG. Aug. 11, 1949. [Aug. 12, 1948] No. 20945/49. Class 78 (i). A scraper conveyer consisting of upper and lower troughs through which travel two endless parallel chains carrying scrapers fitted to the chains by fastening elements engaging in the vertical links, the fastening elements are passed through the links from outside and the intermediate parts are twisted in such a manner as to make the extremities which are to be connected to the scraper run parallel to the connection plane of the scraper, whereas the extremities remote from the scrapers are provided with means for effecting guidance of the scrapers in the trough. A scraper conveyer moves in troughs 1 and 2 and has scrapers 6 secured to the chains 4 and 5 by means of members which are passed through the links, the part 7 being bolted to the scraper. The thickened end 8 may engage the lower part 14 of the trough to guide the conveyer or may engage the upper part 17 to prevent the rise of the upper flight. The twisted part 10 of the member has helical grooves which facilitate passage through the link and the central part has recesses to accommodate the side links. The part 8 has recesses to allow lateral movement of the chain.