baber/WOPTO huggingface dataset:
Patent GB-830434-A (GB)
Title: Improvements in or relating to alternating current signal receivers
Inventor: MILLER CHARLES BERRISFORD
IPC: H04Q1/442
Filed: 1956-06-12
Abstract: 830,434. Alternating current signal receivers. POSTMASTER GENERAL. Sept. 3, 1957 [June 12, 1956], No. 18165/56. Class 40 (4). In a system comprising several transmission channels on a common medium, over each of which an A.C. signal may be sent, a common pilot signal is also sent and each A.C. signal receiver is responsive conjointly to its appropriate A.C. signal and the pilot signal in such a manner that during transient disconnections of the transmission medium, the operative or inoperative condition of the receiver is maintained unaltered. The invention may be applied to supervisory signals in a multiplex telephone system. As shown, the rectified incoming A.C. signal establishes a voltage Vs across R1 of approximately 60 v. in such a direction as to bias the grid of V2 positive. The pilot signal establishes a voltage Vp of approximately 5v. in such a direction as to bias the grid of V2 negative. Resistance R3 also provides a 5v. voltage Vb for the grid of this valve. An incoming A.C. signal thus causes V2 to conduct and RA operates to shortcircuit R3. During a transient interruption Vs = Vp = Vb = zero and valve V2 continues to conduct. During the A.C. signal increases in the presence of the pilot signal Vp baekbiases V2 and RA releases to insert a further back-biasing voltage Vb. If now a transient interruption takes place this latter back-bias keeps V2 cut off and RA unoperated. The system can be used either in the case where the engaged idle conditions of the channel are indicated by the presence/absence of the A.C. signal or vice versa.
Patent GB-279753-A (GB)
Title: Improvements relating to boilers or coppers
IPC: F24H1/00
Filed: 1927-07-08
Abstract: 279,753. Ewart, S., and Cathcart, A. N. July 8, 1927. Set-pans.-A pipe e serving for supply of cold and delivery of hot water to and from the pan a is connected by a three-way valve f below the level of the top of the boiler.to a discharge pipe h opening at a lower level than the union d so that discharge takes place by siphonic action.
Patent GB-232091-A (GB)
Title: Improvements in apparatus for preheating air for furnaces
IPC: F23L15/04
Filed: 1924-07-30
Abstract: 232,091. Connery, W. M. July 30, 1924. Cleaning, fluid-pressure processes for.-An air pre-heater with air passages intersecting the flue section of the furnace to give a forced air draught, has a number of sections each being composed of several units and detachably secured in position. The base part 1 of the heater includes a hopper 2 for soot and scale, and an extension 4 with passages 6 provided with dampers 8 operated from a handle 9<a> by means of a bar 9<b> and arms 9. A flange at the top of the base part is bolted to the sections 14 containing the units. Each section has a front plate 16, which is cut and the cut edges 24 turned back to form an opening 25. This encloses a boxing 26, Fig. 5, through which is admitted the air to be heated; after its passage through the heater the air leaves by a boxing 28 held in a similar manner in the back plate 29. Opposite corners 28<a>, Fig. 5, of the units are rounded and the units are spaced to provide vertical passages 34 which are in communication with the passages 6 and which carry the products to the stack through flues 36a with dampers 36<b>. When a section is removed its damper 36b is closed and its damper 8 is closed and disconnected from the bar 9<b>. Air blast devices 40<a>, 45a are used for the removal of scale and are controlled by valves 40b, 41a. Buttons 49 on the walls of the units extend in each direction and engage other buttons on adjacent walls. The doors 51 on the front plates have inspection openings 50.
Patent GB-983599-A (GB)
Title: Substituted 4-phenylamino-7-chloroquinolines
IPC: C07D/
Filed: 1962-05-11
Abstract: The invention comprises compounds of general formula <FORM:0983599/C2/1> in which R is hydrogen or a lower (1-6C) alkyl group and Z is hydrogen or a hydroxy or esterified hydroxy group; their non-toxic acid addition salts and salts with bases; and their preparation by condensing 4,7-dichloroquinoline with a compound of formula <FORM:0983599/C2/2> where R1 is lower alkyl and Z is hydrogen a or hydroxy group, the resulting compound being optionally hydrolysed to form the acid and/or a hydroxy group Z being acylated.
Patent GB-613579-A (GB)
Title: Improvements in or relating to collapsible hoods for motor and other vehicles
IPC: B60J7/12
Filed: 1946-06-19
Abstract: 613,579. Vehicle hoods. GARDINER, W. H. June 19, 1946, No. 18347. [Class 108 (i)] A hoodstick 3 for the flexible hood 1 of a motor or other vehicle is pivoted at 4 to the sides of the body and is provided at its upper ends with cantrails 6 hinged about vertical axis 7 and having free outer ends, the cantrail being adapted to fold back against the hoodstick in the collapsed position of the hood. The cantrails may be forced upwards to stretch the fabric by means of springs and a further hinged piece or pieces extended by collapsable tubing may be provided on the cantrails to extend longitudinally or transversely of the vehicle to provide further support. Transverse bars may be attached to the hood fabric and/or cantrails for positioning the cantrails relative to the hood fabric and vehicle. A similar device may be attached to the windscreen 8 to open rearwardly of the vehicle.
Patent GB-1354237-A (GB)
Title: Process for preparing photoconductive materials
IPC: G03G5/08
Filed: 1972-04-20
Abstract: 1354237 Photo-conductive material FUJI PHOTO FILM CO Ltd 20 April 1972 [20 April 1971] 18466/72 Heading G2C A photo-conductive material comprising particles of cadmium sulphide and cadmium carbonate is washed with water and then treated with a monomeric silicon compound. In an embodiment particles comprising a mixture of cadmium sulphide, cadmium carbonate and silica are treated with cadmium iodide in ethanol, dried and heated to 200C. The treated particles are washed repeatedly with water, dried and dispersed in ethanol. An ethanolic solution of trimethoxysilylpropylethylenediamine is added to the dispersion and the solid is removed and dried at 70C then 150C. This particulate solid is dispersed in an acrylic resin together with copper stearate and coated on an aluminium cylinder to give an electro-photographic plate. The silicon compound may also be vinyltriethoxy silane, vinyl tris (#-methoxethoxy) silane, ymethacryloxy propyltrimethoxysilane or #-(3, 4- epoxycyclohexyl) ethyltrimethoxysilane. Sensitizing dyes, other polymeric binders and other silicon compounds are specified. The particles may be treated with the vapour of a silicon compound.
Patent GB-732947-A (GB)
Title: Improvements in or relating to discharge mechanism for envelope driers
IPC: B31B19/00
Filed: 1953-07-03
Abstract: 732,947. Making envelopes. UNITED STATES ENVELOPE CO. July 3, 1953 [Dec. 5, 1952], No. 18482/53. Class 94 (2). An envelope drying machine of the type described in Specification 697,898 is modified in that a pusher ejecting mechanism replaces the suction roller for removing the envelopes from the chain drier. The pusher mechanism comprises a horizontal rock shaft 19, an arm 25 being secured to one end of the rock shaft and pivotally connected at 26 to a member 27 which is adjustably attached to a rod 28 connected to an eccentric 29. A pair of spaced brackets 33 are adjustably mounted on the shaft 19 and carry pusher members 35. A flattened portion 36 is provided on the members 35 for contact with the edge of the envelope's seal flap 14. At each clockwise movement of shaft 19 an envelope at the instant of its release by the fingers 5 is displaced inwardly of the drier and withdrawn by the belts 17 and rollers 18. A pair of brackets 38, having depending rods 41, are adjustably mounted on a fixed bar 37 by a screw and slot 39, 40, each rod 41 carrying an adjustable .horizontal finger 42 which supports the seal flap. Specification 708,612 also is referred to.
Patent GB-171080-A (GB)
Title: Improved process of and apparatus for heating slabs, billets or the like
IPC: C21D9/70
Filed: 1921-07-07
Abstract: 171,080. Costello, T. J. Oct. 30, 1920, [Convention date]. Metal-heating furnaces; charging; doors.-In the heating of slab billets, such as are used in the manufacture of sheet metal, the billets are arranged to form a division wall between two flues, through which the beating-gases pass in opposite directions. The furnace has a fire-place 2 at one end, and a rail track for the billets, beneath which is an opentopped flue 12 in communication with the stack through covered side flues. The rails extend from the charging-end of the furnace to a slab 14, beyond which is an opening 13 connecting the flue or furnace chamber 3 and the flue 12. The billets are arranged on edge across the rails, forming a cover for the flue 12; they are maintained in a slightly inclined position by a pivoted catch 20 on the door 18. The forward face of the pusher head 17 is inclined at the angle at which it is desired to maintain the billets, and the catch 20 is so shaped that it is lifted as the billets are fed into the furnace, and drops by gravity behind them. A portion of the heating-gases passes to the flue 12 between the billets owing to the burrs formed thereon in the shearing-operation. In the Specification as open to inspection under Sect. 91 (3) (a) two constructions of rail track are described. In one form the track is formed with concentric flow and return pipes for cooling- water, and with a short solid portion at one end. In the other form concentric pipes are used, but water passes through the inner pipe only. This subject-matter does not appear in the Specification as accepted.
Patent GB-1206899-A (GB)
Title: Improvements in or relating to elastic expansion fasteners
IPC: F16B19/10
Filed: 1969-04-10
Abstract: 1,206,899. Stud and socket fastenings. JORDAN INDUSTRIES Inc. 10 April, 1969 [6 June, 1968], No. 18558/69. Heading E2B. [Also in Division F2]  An expansion fastener comprises a stud 26 and an integral body portion, the stud having an inner lubricated portion and the body portion comprising a pair of legs 50 each secured at its innermost end to the end of a line 46 of the stud and each leg having at its outer end a shoulder 56 which cooperates with the head of the stud to lock the head between the shoulders. Projections 30 on the stud cooperate with recesses in the shoulders 56 to lock the head in position and washer 70 limits the movement of the shoulders in irregular shaped holes &c. The fastener is of resilient plastic and the head is provided with bevelled surfaces 44 (Fig. 3, not shown) which allow the stud to be pried loose to release the fastener which may be re-used.
Patent GB-606711-A (GB)
Title: Improvements in or relating to the treatment of fatty acids and of glyceride oils
IPC: C11C3/04
Filed: 1946-06-20
Abstract: Esters of fatty acids with alcohols containing up to six carbon atoms are obtained from glyceride oils containing free fatty acids by first esterifying the acids with an alcohol of high boiling point and then subjecting the products to alcoholysis with an alcohol containing up to six carbon atoms.  An alcohol of high boiling point is defined as one boiling at 195 DEG  C. or above at atmospheric pressure, and specified alcohols of this kind are cetyl alcohol and polyhydric alcohols such as glycol or glycerol. However, if the original mixture contains mono- or di-glycerides as well as free fatty acids, addition of an alcohol of high boiling point may be dispensed with, provided that the number of unesterified hydroxy groups in the mixture is at least equivalent to the number of free carboxylic groups.  Suitable conditions for the esterification and alcoholysis stages are indicated (see Group IV (b)).  In an example, a mixture of hardened rape oil and fatty acids is heated with glycerol to 175-190 DEG  C. in the presence of caustic soda, a stream of hydrogen under reduced pressure being passed through the mixture; the esterified mixture is then heated under reflex with absolute alcohol containing a little caustic soda, whereafter excess of alcohol is removed by distillation in a stream of hydrogen, the soap-containing glycerol layer is separated, and the residual layer of ethyl esters is washed with water and steam-distilled under reduced pressure.ALSO:Esters of fatty acids with alcohols containing up to six carbon atoms are prepared by first esterifying the acids with an alcohol of high boiling point and then subjecting the products to alcoholysis with an alcohol containing up to six carbon atoms; an alcohol of high boiling point is defined as one boiling at 195 DEG  C. or above at atmospheric pressure.  The process may be applied to fatty acids as such or to glyceride oils having a high content of free fatty acids (see Group III).  Suitable alcohols of high boiling point are cetyl alcohol and polyhydric alcohols such as glycol or glycerol.  Known catalysts may be present in both the esterification and alcoholysis stages, but preferably alkali hydroxides or alkali compounds of polyhydric alcohols, e.g. potassium glyceroxide, are used as alcoholysis catalysts.  The alcohol used for alcoholysis should be anhydrous or very nearly so, and access of water to the mixture during alcoholysis should be prevented.  In an example, a mixture of hardened rape oil and fatty acids is heated with glycerol to 175-190 DEG  C. in the presence of caustic soda, a stream of hydrogen under reduced pressure being passed through the mixture; the esterified mixture is then heated under reflux with absolute alcohol containing a little caustic soda, whereafter excess of alcohol is removed by distillation in a stream of hydrogen, the soap-containing glycerol layer is separated, and the residual layer of ethyl esters is washed with water and steam - distilled under reduced pressure.
Patent GB-146516-A (GB)
Title: Improvements in and relating to parachutes
IPC: B64D17/78
Filed: 1920-07-05
Abstract: 146,516. Pateras Pescara, Raoul, Marquis of. July 4, 1919, [Convention date]. Helicopters; steering.-A parachute comprises a central tubular shaft having two superposed screw propellers freely rotating in opposite directions, means being provided (1) for feathering the blades so as to displace the line of resistance laterally in order to induce lateral motion, (2) for varying the pitch of one screw relatively to the other so as to control the orientation of the machine, and (3) for increasing the pitch of both propellers at the moment of landing. Fig. 4 shows a machine having a central tube on which are mounted two biplane propellers 2, 3 geared to rotate in opposite directions by wheels 11, 12, 13. (3). Each blade is capable of tilting about its spar, the two blades of each propeller being geared together by worm-gear actuated by rods 39, 40 which are connected by links 37, 38 to the outer rings of ball bearings 35, 36 the inner rings of which are supported by guides 33, 34 capable of sliding in the tube 1. The guides 33, 34 are moved by rods 31, 32 connected through slots in the tube 1 to a handle 30, by sliding which the pitch of the two propellers is varied simultaneously. (1) and (2). The blades of the propellers may be warp able or, as shown, may be provided with ailerons 14, 15 tiltable by wormgear and cables connected to rods sliding in tubular members 26, 27. These rods are connected by links 22, 23 to the outer rings of ball bearings 20, 21 the inner rings of which are supported on radiating arms passing through slots in the tube 1 and carried by a central rod 16. The rod 16 is ball jointed at 17 in a piston capable of sliding in the tube 1 and the lower end of the rod is connected through slots in the tube to a handle 28. Lateral displacement of the handle 28 results in the ailerons 14, 15 being tilted in opposite directions on the two sides of the machine thus laterally displacing the line of resistance. Vertical movement of the handle 28 results in the ailerons 14 being tilted oppositely to the ailerons 15, thus altering the relative resistance to rotation of the propellers. The tube 1 carries a seat 10 for the pilot.
Patent GB-1222754-A (GB)
Title: An electrical machine having an armature and a commutator
Inventor: JENSEN KNUT
IPC: H01R39/32
Filed: 1969-04-11
Abstract: 1,222,754. Commutators for dynamo-electric machines. ZENTRALLABORATORIUM ELEKTROGERATE DER VEREINIGUNG VOLKSEIGENER BETRIEBE ELEKTROGERATE. 11 April, 1969, No. 18754/69. Heading H2A. In connecting armature winding ends 16 to commutator segments, a plurality of resilient, electrically conductive riders or contact springs 9 mounted on an insulating disc 1, e.g. of moulded thermoplastics material, located between the armature 12 and commutator 13, are connected to the winding end, e.g. by soldering or welding, and press against the ends of the segments. Pins 11 and a locking ring 17 respectively prevent relative rotational and axial movement of the disc and commutator. The contacts 9 are held in position by engaging slots 5 and grooves 10 in the disc. In a modification, Fig. 2 (not shown), part of the contacts (2) extend through axial slots in the periphery of the disc 1 and down the face of the disc remote from the commutator, being secured against that face by a second insulating disc (6). Pins (3) adapted to fit in the inter-segment slots fulfil the same function as the pins 11 in Fig. 3. The flat disc may be replaced by a disc having an axially extending sleeve 8, Fig. 4 (not shown), on which the commutator is mounted. In all embodiments the contacts may be secured to the insulating disc by the application of heat, where the disc is made of thermoplastics material
Patent GB-220780-A (GB)
Title: Improved utensil for cleaning windows, ceilings and other surfaces
IPC: A47L13/24
Filed: 1923-07-23
Abstract: 220,780. Ashworth, M. July 23, 1923. Extensible handles with clamping-devices for brushes, mops, and the like. - A spring clamp p for the brush, mop, wash - leather, duster, &c. for cleaning windows and other surfaces is fixed, as by sockets n, o, to the upper ends of two rods or tubes a, b, to the lower ends of which is fixed a metal plate c having tubular sockets d, f with fixing screws g, h. A central rod or tube q slides in a tubular guide e on the plate c. The upper end of the rod q is fixed in the socket k of a plate i on which are also fixed tubular guides j, l for the rods a, b. The rod q may be held in the required position relatively to the rods a, b by pins w on chains v passed through holes in the sockets e and and holes in the rods a, q. An additional fitting m with tubular sockets adjustable on the rods a, b may be provided for strengthening purposes. On removal of the pins w the rod q may be pushed up between the rods a, b to shorten the handle as required and again fixed by the pins. A rubber cap x may be applied to the end of the rod q to act as a buffer.
Patent GB-318139-A (GB)
Title: Improvements relating to rotary glass blowing machines
IPC: C03B9/22
Filed: 1929-06-20
Abstract: 318,139. Bullman Machine Co., Ltd., (Assignees of Hillmann, H.). Aug. 28, 1928, [Convention date]. Blowing.-Relates to a rotary glass-blowing machine of the kind which comprises a number of mould units carried by arms that radiate from a central vertical column. According to the invention, the central column is dispensed with and the cams that control the working- operations of the units are disposed below the level of the units where they impose no hindrance to the constructional design of the machine parts. The machine is shown in sectional elevation in Fig. 1. The base of the machine is an annular frame 4 mounted on wheels 5 and formed with a circular groove 6 in which a base ring 8 revolves. The ring 8 supports the moulds and their operating-mechanism by means of a number of vertical frames erected on the ring. Each frame comprises two parallel vertical members 11, 12 which are connected at their upper ends to a central retaining-ring 14. The control cams are in two groups. In addition to cams 307 formed on the upper surface of the main frame 4, other cams, 40, 121, 207, 208, and 209, are attached to the inner wall of the frame 4 entirely out of the way of the machine itself, and these cams act radially inwards instead of outwards, as usual. The cams 40, 121, and 208 operate their respective central members by means of vertical rotatable shafts, such as the shaft 118. Other cams, 207, 209, and 307, impart rising and falling movements to their respective control members by means of transmission members such as rods 85, 227, 246. Specifications 315,347 and 318,138 are referred to.
Patent GB-1505523-A (GB)
Title: Electrical contact
IPC: H01R12/67
Filed: 1975-05-06
Abstract: 1505523 Electrical contacts THOMAS & BETTS CORP 6 May 1975 [22 Aug 1974] 18972/75 Heading H2E An electrical contact for piercing the insulation of an insulated conductor includes a portion 102 and a cylindrical body portion 92, formed from flat material and having a pair of longitudinal slots, one being open at both ends and the other open at only one end. The slots define arcuate arms 92, 94 having sharpened ends and tapering shoulders which guide the conductor into the slots so that the edges of the first slot cut into the insulation to provide strain relief while the edges of the second slot cut through the insulation and site into the conductor. A plurality of contacts may be provided in a common base plate over which a flat cable is laid. The cable is pressed down into the contacts by a top plate which is latched in place. The second slot has a width slightly narrower than the diameter of the conductor to be contacted. The first slot may be wider or narrower than the second, having a tendency to open as the conductor is pressed home. The tail portion may have one or more strengthening ribs (100), a positioning rib 112, and a stop 98. Wire may be wrapped around, soldered, or welded to the tail portion, or it may form a contact pin in a socket in a supporting base plate.
Patent GB-1428656-A (GB)
Title: Phosphorus-containding thiadiazole derivatives and their use as lubricant additives
IPC: C10N30/12
Filed: 1972-04-25
Abstract: 1428656 Additives for lubricants ETHYL COOPER Ltd 13 April 1973 [25 April 1972] 19048/72 Heading C5F [Also in Division C2] A lubricating composition comprises as additive an oil-soluble reaction product of an O,O<SP>1</SP>-diorganodithiophosphate and compound of Formula I where X is H or the residue of an ethylenically unsaturated alcohol, carboxylic acid or carboxylic acid anhydride, amide or imide, the reaction being carried out in the presence of an oxidizing agent. The additives are believed to have the Formula II where Y is X or a group -S-P(S)(OR) 2  and each R individually is an organic group. Where X is other than H it is obtained by addition reaction of the appropriate unsaturated compound and the thiadiazole dimercaptan. The composition may take the form of an additive concentrate containing a major amount of the additive or an additive package containing a major amount of a mixture of such additives.
Patent GB-1490640-A (GB)
Title: Magnetic bubble domain device
IPC: G11C11/14
Filed: 1975-05-07
Abstract: 1490640 Magnetic bubble devices INTERNATIONAL BUSINESS MACHINES CORP 7 May 1975 [28 May 1974] 19087/75 Heading H3B Semicircular magnetic bubbles move along a track 14 forming part of the bubble boundaries and formed by a magnetic discontinuity in the host medium, bubble interaction providing serial spacing along the track. The track is a longitudinally anisotropic layer or is formed by stress-cracking, laser-scribing or ion-milling a gadolinium-iron garnet layer on a gadoliniumgallium garnet substrate. The tracks may alternatively circumscribe an amorphous layer on a cylindrical substrate. Generators 16, 18 inject new bubbles on to respective sides of the track to represent binary data or may regenerate bubbles returned over a similar or overlay path 35 from magnetoresistive sensors 20, 22. Bubble movement may be assisted by pulsed conductors.