baber/WOPTO huggingface dataset:
Patent GB-695477-A (GB)
Title: An entrainment device for obtaining a combustible fuel-air mixture in or for gas burner apparatus
Inventor: CAMPBELL DONALD ATWOOD
IPC: B01F5/04
Filed: 1950-10-03
Abstract: 695,477. Injectors. AFFILIATED GAS EQUIPMENT, Inc. Oct. 3, 1950, No. 24181/50. Class 71 [Also in Group XI] An entrainment device for obtaining a combustible fuel-air mixture for gas burner apparatus includes a tapering member and a cylindrical member coaxially disposed one about the other to define an annular passage forming an annular orifice portion and an entrainment portion of substantial length into which said orifice portion is adapted to discharge fluid under pressure, said entrainment portion being annular throughout and having an opening leading thereinto for fluid to be entrained and said cylindrical member having an abrupt diameter change adjacent the mouth of said orifice portion so as to enlarge abruptly the sectional area of said annular passage. The device shown comprises a hollow casing 1 having a coaxial core member 2 and a chamber E to which air is supplied under pressure to emerge through the annular orifice between a cylindrical nozzle B and the core 2. Gas is supplied to the annular space surrounding the nozzle B and is induced into the air stream from the latter through an annular opening D, the air and entrained gas flowing into a divergent entrainment passage formed between a cylindrical part 4 of the casing 1 and a tapered part of the core 2. The diameter of the part 4 is greater than that of the nozzle B so that an abrupt increase in sectional area of the flow passage occurs at the entrance to the port 4. An alternative embodiment is described in which the annular entrainment portion is defined by an inner cylindrical core member and an outer divergently tapered member, the core member being reduced adjacent the annular orifice through which the entraining fluid is discharged to provide the abrupt enlargement of the annular flow passage. The fluid to be entrained is supplied through a bore in the core member leading to parts adjacent to the zone at which the said member is reduced.
Patent GB-297961-A (GB)
Title: Improvements relating to the tinning of flexible metal strips, tapes or wires
IPC: C23C2/38
Filed: 1927-09-15
Abstract: 297,961. Taylor, E. W. Sept. 15, 1927. Tinning.-In a machine for tinning brass or other flexible metal strips, the strip wound in a coil a on a spindle b is caused to pass through a heated acid bath c, and two washing jets f, a wiper g, a heated fluxing bath j, and wipers l, m, before it enters the tinning bath p by pulling rollers x which are driven by means independent of the recoiling mechanism, such as a bolt x<1> and pulley x<2>. The tinned strip after leaving the bath p and before reaching the rollers x passes through cork wipers r and cooling air blasts from the pipes u, v. The treated strip from the rollers x is re-coiled on a spindle y which is driven by a handle z. Additional pulling rollers n similar to the rollers x may be mounted at the entrance to the tinning path p.
Patent GB-752524-A (GB)
Title: Improvements in or relating to emulsifying devices
IPC: B01F5/06
Filed: 1954-08-20
Abstract: <PICT:0752524/III/1> An emulsifying device comprises a housing 1 containing a rotatable agitator provided with cruciform heaters 10, and is driven by the action of one or more of the inflowing constituents on a turbine wheel 7 connected to the driving shaft of the agitator.  A perforated partition 8 separates the turbine wheel from the agitator and further perforated partitions 11 are arranged between the heaters of the agitator.  The housing is made in two halves which are joined at 4, the partitions 8, 11 also being in two parts and attached to the inside of the housing.  When used for the preparation of emulsions of oil or fat in water, e.g. coolant emulsions, mains water enters at 14 and mixes in an injector nozzle with oil from duct 151 located in a rib 16 of the housing; the amount of oil introduced is regulated by means of screw valve 17 which may be associated with an indicator of the proportion of oil in the mixture.  The mixture enters the turbine chamber 6 tangentially and rotates the turbine wheel 7; after passing through the mixing chamber 9, prepared emulsion leaves at 22.  Compressed air or nitrogen may be added to one of the constituents to provide the necessary driving force.
Patent GB-598856-A (GB)
Title: Improvements in and relating to inorganic sheet material
IPC: C04B41/50
Filed: 1945-09-21
Abstract: Asbestos sheeting is impregnated with a dispersion of colloidal silica in an alcohol, which may be ethyl or propyl alcohol, and the alcohol thereafter removed by evaporation, which may be effected by heating to 100 DEG -200 DEG C.
Patent GB-642143-A (GB)
Title: Improvements relating to gill boxes
IPC: D01H5/04
Filed: 1947-09-05
Abstract: 642,143. Gill drawing frames. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd., and HAMILL, S. M. Sept. 5, 1947, No. 24468. [Class 120(i)] A gill box has the front spring-loaded faller guide and/or the front end of the bottom faller slide curved to form an arc which transforms the vertical movement of the faller bars into a horizontal movement, so that the faller bars are guided on to the straight portion of the slide without impact. When both the guide A and the slide B have their ends curved, the end B<1> of the slide B may be forked and the end A<1> of the guide A passes between the limbs of the fork. The front and rear guides A, K are spring-loaded through bellcrank levers A<3>. pivoted at A<2> to the bracket G which supports the slide B.
Patent GB-641264-A (GB)
Title: Improvements in or relating to alpha-cyano-alkyl esters of monocarboxylic acids and process of preparing same
Filed: 1947-09-08
Abstract: Alpha-cyano-alkyl esters of monocarboxylic acids are obtained by reacting a dialkyl cyano carbinol with an ester of a monocarboxylic acid having in the alcohol residue an olefinic double bond connecting the carbon atoms which are alpha and beta with respect to the ester linkage and having two hydrogen atoms attached to the beta carbon atom of the alcohol residue, the reaction being carried out in the presence of a slightly basic material as catalyst such as a tertiary amine or an alkali metal salt of a weak acid.  The dialkyl cyano carbinols are preferably prepared by reacting hydrogen cyanide with an aliphatic ketone or by reacting an aliphatic ketone bisulphite addition compound with sodium or potassium cyanide.  Specified cyano alcohols are acetone cyanhydrin, methyl ethyl cyano carbinol, methyl propyl (or isopropyl) cyano carbinol, methyl butyl cyano carbinol, di-n-propyl (or dibutyl) cyano carbinol, methyl isoamyl cyano carbinol and di-n-amyl (or dihexyl) cyano carbinol.  Specified esters are vinyl acetate, vinyl propionate, vinyl butyrate, vinyl valerate, cinyl benzoate, isopropenyl acetate, 1-butene-2-acetate and vinyl chloroacetate.  Specified catalysts are trimethyl (triethyl, tripropyl, tributyl, or triisobutyl) amines, sodium cyanide, potassium cyanide, sodium silicate, sodium carbonate and sodium tetraborate.  Temperatures below room temperature or as high as 100 DEG  C. may be used and the pressure may be varied from subatmospheric to considerably above atmospheric.  In examples: (1) and (2) a mixture of acetone cyanhydrin, vinyl acetate, and triethylamine or sodium cyanide respectively as catalyst, is heated to reflux temperature and the mixture then transferred to a still pot and distilled to yield a fraction containing acetone and then a fraction consisting of alpha cyanoethyl acetate.  The acetone fraction may be reacted with hydrogen cyanide to re-form acetone cyanhydrin and the latter re-used by adding a fresh supply of vinyl acetate so that the process may be carried out continuously.  The alpha cyano alkyl acetates may be pyrolysed to form acrylonitrile or one of its homologues and the aliphatic acid which is split off can be recovered and used in forming more of the esters.
Patent GB-213197-A (GB)
Title: Improvements in and relating to necktie holders
IPC: A41D25/02
Filed: 1923-10-03
Abstract: 213,197. Wirz, R. Oct. 3, 1923. Neckties. - A necktieholder comprises a dished top bar 1, lower bars 3 joined through bends to the ends of the top bar, looped at their inner ends and provided with pendent yoke portions, and a body 6 connecting the loops and central part of the top bar. Preferably, the holder is bent from wire, and the body 6 is a blob of solder. the yoke 5 engages the collar stud.
Patent GB-481563-A (GB)
Title: Improvements in or relating to the production and use of secondary electron emissive substances
IPC: H01J43/06
Filed: 1936-09-10
Abstract: 481,563. Cathode ray tubes; electron multipliers. LUBSZYNSKI, H. G. Sept. 10, 1936, No. 24740. [Class 39 (i)] It is stated that if certain surfaces are bombarded with comparatively weak cathode rays and afterwards with stronger rays the secondary emission produced by the second bombardment is stronger than it would have been in the absence of the previous bombardment. Such a surface is produced by treating a nickel plate with a solution of uranyl nitrate, drying, and removing adhering crystals. Fig. 1 (Prov.) shows a television transmitting device including such a screen. An image of the scene to be transmitted is formed on a photo-electric screen 2 and the resulting electron image focused on a screen 5 of the type described and accelerated by an anode 3 to a velocity of about 1,000 volts. The screen is then scanned by a cathode ray 6 with a velocity of about 4,000 volts and the impulses resulting from the consequent emission, which depend, as explained, on the strength of the previous bombardment by the image electrode used to transmit signals, or the emitted electrons may be collected by an anode. Fig. 1 (Comp) shows a receiving arrangement. The signals are employed to modulate a cathode ray 8 which scans a screen 5 of the type described. A strong wide angle cathode-ray beam is then directed on to the screen 5 from a concave cathode 13, producing any electron image in consequence of the modification produced on the screen by the beams. This image is then focused on fluorescent screen 16.
Patent GB-333058-A (GB)
Title: Improvements relating to wardrobes, clothes cabinets and the like
IPC: A47B81/00
Filed: 1929-08-13
Abstract: 333,058. Chittenden, W. R. Aug. 13, 1929. Cabinets.-A wardrobe has a main frame of L- shape, and is divided into two compartments 1, 2 each fitted with doors 16, 17. The re-entrant portion contains a shelf or folding table 14, and the sides thereof are fitted with hinged panels backed by mirrors 8. Shelves and garment hangers may be provided in the main compartments and the space 12 behind the hinged panels may be used as a cupboard.
Patent GB-1322104-A (GB)
Title: Apparatus for facilitating automatic tool change on a machine tool
IPC: G05B19/418
Filed: 1971-04-19
Abstract: 1322104 Tool changing apparatus HEYLIGENSTAEDT & COMP WERKZEUGMASCHINENFABRIK GmbH 19 April 1971 [20 March 1970] 24900/71 Headings B3B and B3T Apparatus for facilitating automatic tool changing on a machine tool includes a supply magazine 10 with adjacent coded storage positions 18, and transfer means 19 being operative, during one working cycle of the machine tool, to arrange in the coded storage positions tools required during the succeeding cycle. The tools 6 are coded for recognition by a sensing device 16 of the magazine 10. Signals from the device 16 are compared with means which are programmed with the tools required for the second cycle. All the tools 6 are provided in duplicate to allow for the use of one type of tool in both cycles. (Alternatively, where only one tool of each type can be provided, these can be electronically registered to allow re-use in the second cycle). In a modifecation (Fig. 3, not shown) the supply magazine includes a triangular array of three chains providing the storage positions. When tool-changing is to be effected, the transfer means 19 operates to transfer tools between the supply magazine 10 and the sliding magazine 3 of the machine and vice versa. The machine tool, which may be a numericallycontrolled lathe 2, comprises a tool changer 7 for transferring tools between its magazine 3 and a tool holder 5.
Patent GB-952265-A (GB)
Title: A high vacuum gate valve for the control of fluids
IPC: F16K51/02
Filed: 1962-06-29
Abstract: 952,265. Valves. HIGH VOLTAGE ENGINEERING CORPORATION. June 29, 1962 [July 3, 1961], No. 25025/62. Heading F2V. A high vacuum gate valve comprises a housing 1 having two opposite walls with aligned apertures 2, 3 therein, a gate 4, a knife edge 25 surrounding the aperture 3, and a flexible chamber 14 to which fluid under pressure may be admitted to press the gate against the knife edge. In the preferred embodiment, a copper gate 4 is connected to a bellows-sealed slidable rod 5 by a lost-motion coupling incorporating a spring 9 which is compressed during the final closing movement of the gate while two notches 20, 21 are engaged by locating rods 22, 23. The chamber 14 consists of an annular metal bellows which may be connected to a gas supply 17 or to an outlet pipe 18 by a valve 19.
Patent GB-215657-A (GB)
Title: Improvements in and relating to serial flow turbines
IPC: F01D1/02
Filed: 1923-10-08
Abstract: 215,657. Wolner, O. H. Oct. 8, 1923. Circular-flow type ; regulating.-A turbine has a bladed stator with a peripheral inlet channel and a number of nozzles for directing motive fluid from the inlet channel to the rotor blades, and means to permit a number of expansions of the fluid between successive nozzles. Dished side plates 15, 16 with the annular member 20 enclose the rotor 6, which has a central circumferential rib 30 between flanges 31 forming two continuous grooves with rounded bottoms and inclined outer sides. Slightly tapered blades 33 with rounded shanks are inserted across the grooves. The stator blades 35 are similar to the rotor blades. The annular member 20 carries a number of valves 26 in nozzles 27 which communicate between the peripheral steam channel 21 and the bladed part of the stator. Between successive nozzles are chambers 38 which act as expansion chambers, and an exhaust chamber 39. Steam enters the inlet 24 and fills the channel 21; it passes through the nozzles and impinges on the rotor blades being divided into two streams by the rib 30. As the rotor moves forward the steam passes into the first expansion chamber 38, round the root of the next stator blade and back to the rotor. This action is repeated at the next expansion chamber and the steam then passes to the exhaust chamber 39 and the annular exhaust chambers 22 arranged on each side of the inlet channel 21.
Patent GB-757988-A (GB)
Title: Improvements relating to ion-exchange membranes and a method of making the same
IPC: C08J5/20
Filed: 1952-10-07
Abstract: An electrolytically conducting ion-exchange membrane is prepared by compacting finely divided ion-exchange material, e.g. sulphonated polystyrene, phenol-formaldehyde, and polyamine, and natural clays, and impregnating under pressure with a bonding material such as molten polystyrene which is set by cooling or monomeric styrene or methyl methacrylate which is polymerized.  An inert refractory porous material, such as sand, may be incorporated in the mixture before the pressurization stage, and in a modification the ion-exchange material is suspended in liquid binder and filtered to a cake on a press, and the binder polymerized.
Patent GB-1017356-A (GB)
Title: Improvements in or relating to fuel burner control systems
IPC: F23N5/20
Filed: 1964-06-17
Abstract: 1,017,356. Burner control systems. HONEYWELL Inc. June 17, 1964 [June 17, 1963], No. 25132/64. Heading F4T. An electrical control apparatus for a fuel burner has a bridge circuit comprising resistors 21, 23 the primary 22 of an ignition transformer, and a fuel valve 11 closed when de-energized. On starting the flame detector switch 14 is closed and current flows from the supply 30 through switch 14, the primary winding 22 of the ignition transformer, the closed switch 19 of the safety cut-out, the zone thermostat 10 to the other supply line 31 to cause sparking at the ignition transformer and consequent lighting of the burner. A circuit is also established from 30 through the flame detector switch 14 through the heater 18 of the safety cut-out, leads 35, 34, through the fuel-valve 11, switch 19, thermostat 10 to the supply line 31, thus opening the fuel valve 11 to allow fuel to reach the burner. If the burner ignites the flame detector switch 14 opens and resistor 21 is brought into circuit to reduce current through the ignition transformer to a value which does not allow sparking. Also, the terminals 26, 27 reach similar potentials and current no longer flows through the heater 18, the reduced current necessary to hold the fuel valve 11 open flows to the terminal 25 through the resistor 23 from the line 30. Should ignition not take place, the switch 14 will remain closed and the heater 18 will remain in circuit thereby heating the bimetal 17 in the out-out 16, to open the contact 19 and cut off the fuel valve and ignition transformer from the supply. Under these conditions contact 20 is made establishing a circuit through the limiting resistor 40 and the thermostat 10 to the supply to maintain the cut-out condition until the thermostat switch 10 is manually open long enough for the bi-metal 17 to cool.
Patent GB-856283-A (GB)
Title: Improvements in or relating to variable inductors
IPC: H01F21/08
Filed: 1958-08-06
Abstract: 856,283. Inductors. SIEMENS & HALSKE A.G. Aug. 6, 1958 [Aug. 6, 1957], No. 25201/58. Class 38 (2). A variable inductor includes two magnetic pot cores, the first, 3, in the form of a cylinder having an annular cavity, and the second, 4, in the form of two disc-shaped cheeks, the second core being located between two opposing bosses in the cavity of the first core, with an air gap, 7, between one cheek of the second core and the adjacent boss. A coil, 5, on the second core is controlled by a coil in the cavity of the first core. Alternatively the second core may be formed from the opposing bosses of the first core by forming a groove in them in which the coil to be controlled is inserted, the controlling coil being in the outer cavity as before (Fig. 2, not shown). The outer coil may be wound on the two outer tiers of a three-tier spool, 2, and the leads from the inner coil may pass through an aperture in the intermediate tier. In a modification the inner coil may be replaced by two or more separate coils.
Patent GB-317827-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B1/04
Filed: 1929-08-19
Abstract: 317,827. Aktiebolaget Separator.. Aug. 23, 1928, [Convention date]. Density separators.-A centrifugal machine for the separation and simultaneous discharge of two liquids is modified for use as a clarifier discharging one liquid only by the addition of the tubular element L. This avoids the use of interchangeable top discs. The central discharge opening M in the element L has a radius smaller than the distance from the axis of the discharge openings J, which are normally used for the light component. The greater part of the liquid to be treated is thus forced to pass between the discs C, and the heavy component remains in the bowl. The top disc G may have spacing strips to keep the distance between it and the hood equal to the spaces between the discs C.
Patent GB-981253-A (GB)
Title: Pyrimidone derivatives
IPC: C07D239/36
Filed: 1962-07-02
Abstract: The invention comprises compounds of the general formula <FORM:0981253/C2/1> and the therapeutically acceptable acid addition salts thereof, wherein R is a hydrogen atom or an alkyl radical of 1 to 4 carbon atoms, R1 is an unsubstituted phenyl radical or a phenyl radical which is mono- or di-substituted by methyl, ethyl, nitro or hydroxy groups and/or by halogen atoms, R2 is a hydrogen atom or a benzyl, a phenylethyl or a phenyl radical and R3 is a hydrogen atom, an alkyl radical of 1 to 4 carbon atoms, a benzyl, a phenyl ethyl or a phenyl radical and the preparation thereof by reacting a compound of the formula <FORM:0981253/C2/2> with an aliphatic acid, R.COOH, or with an iminoalkyl ether, R.C(1NH)OAlkyl (where the alkyl group has 1 to 4 carbon atoms).  Pharmaceutical compositions having sedative, antiphlogistic, anti-convulsive and analgesic action comprise the compounds of the invention together with a solid or liquid diluent, and may be in the form of tablets, powders or injectable solutions.
Patent GB-770210-A (GB)
Title: Control-apparatus for road vehicle direction indicators of the flashing type
Inventor: SUTHERLAND WILLIAM DRUMMOND
IPC: B60Q11/00
Filed: 1955-08-30
Abstract: 770,210. Electromagnetic interrupters. C.A.V., Ltd. Aug. 30, 1955 [Sept. 1, 1954], No. 25375/54. Class 38(5) An arrangement for flashing either one of two sets of vehicle direction indicator lamps a upon manual closure of a selector switch b, comprises a magnet d controlling normally-open contacts e and connected in series with normally-closed contacts c controlled by a magnet g. On operation of the switch b magnet d closes contacts e after a short delay whereupon a holding magnet f for the contacts e is energized and magnet g opens contacts c. After a short delay magnet g closes the normallyopen contacts h to short-circuit the magnet f, whereby the circuit is restored to its initial condition and the cycle then repeats. Resistors i, j shunt the magnets f, g.