baber/WOPTO huggingface dataset:
Patent GB-839047-A (GB)
Title: Improvements in or relating to cutter picks and like tools
Inventor: SHEPHERD-SMITH STEPHEN
IPC: E21C35/183
Filed: 1957-07-05
Abstract: 839,047. Mineral-mining. HOY & CO. Ltd., A. Oct. 6, 1958 [July 5, 1957]. No. 21424/57. Class 68(1) [Also in Group XXII] To ensure maximum cohesion of a V- shaped hard insert 16 to the head of a pick 11 the head is so recessed at the tip and sides that a complementary key 14 is formed against which the insert abuts. The insert may consist of two flat plates sintered together at the apex of the insert. The limbs of the insert may have inturned portions entering corresponding recesses in the key to further ensure retention of the insert on the head.
Patent GB-702177-A (GB)
Title: Improvements in and relating to the setting of pit props
IPC: E21D15/58
Filed: 1951-09-11
Abstract: 702,177. Setting devices for pit props. MUTHING, E. Sept. 11, 1951 [Sept. 11, 1950], No. 21430/51. Class 20 (2) A setting device for pit props of the kind having upper and lower prop parts 1, 2 clamped together by a locking wedge 4 comprises a fluid pressure cylinder 5 removably secured to the lower part 2 and adapted through piston rod 9 and forked arm 10 to press the upper part 1 against the mine roof and subject the prop to a predetermined load, whereupon automatically a plunger 16 on the piston rod of an auxiliary pressure cylinder 13 is released to drive in the locking wedge 4. Pressure medium enters the cylinder 5 through a valve 8 and the piston 6 is moved upwards against the pressure of a spring 7. The arrangement is such that the predetermined loading of the prop is reached when the piston 6 is in a position just above the opening 18 leading from the cylinder 5 into the cylinder 13 whereupon pressure medium flows into the latter and forces the plunger 16 outwards against the locking wedge 4. A release mechanism (not shown) is provided which enables the plunger 16 to apply a sudden blow to the wedge 4.
Patent GB-608607-A (GB)
Title: Improvements in or relating to buffer mechanism for railway cars
IPC: B61G11/14
Filed: 1945-08-22
Abstract: 608,607. Draw gear for railway vehicles. BRENNAN, T. F. Aug. 22, 1945, No. 21442. Convention date, Sept. 18, 1944. [Class 103 (v)] A friction buffer comprises three triangular friction shoes 41 loaded by a compression spring 45 and wedged between the spring cap 44 and a non-rotary block 46, the abutting surfaces 42, 43 thereof being plane, and the outer faces of the shoes bearing against the inner surface of the buffer-head sleeve 34 which is of hexagonal cross-section, to prevent rotation of the buffer head. The wedge block 46 is formed with a hexagonal projection 49 which engages a correspondingly shaped opening in the base of the outer casing 24. The casing 24 and sleeve 34 are provided with lugs 36, 39, respectively, forming a bayonet joint for the assembly of the members. Steps 60, Fig. 1, are provided on the buffer casings, either, integral therewith or welded thereto. The draw gear consists of draw bars 15 passing through U-shaped brackets 17 attached to the ends of the cars and carrying compression springs 21, the coupler hooks 16 being connected by a member 51 with right and left hand screw members by means of which the cars can be drawn together to bring the buffer beads into contact and thus place the springs 45 under initial compression.
Patent GB-392387-A (GB)
Title: Improvements in or relating to installations for distributing modulated high-or medium-frequency carrier waves over a power network
IPC: H04B3/56
Filed: 1932-07-29
Abstract: 392,387. Fusible cut-outs. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. July 29, 1932, No. 21451. Convention date, Sept. 5, 1931. [Class 38 (i).] Switches in a power supply network are bridged for high-frequency currents by an impedance comprising a fuse 1 and condenser 2 connected in series by a wire 3 housed in a holder adapted to be connected to the ends of the switches. For isolating power sections for high-frequency currents, impedances offering a high impedance to the latter and a low impedance to power currents may be housed in the fuse cartridge of switches connected between such sections.
Patent GB-185008-A (GB)
Title: Safety pocket for garments
IPC: A41D27/20
Filed: 1921-08-15
Abstract: 185,008. Dickson, G. Aug. 15, 1921. Pockets.-A pocket is shaped to prevent loss or theft of its contents. The mouth H of the pocket extends less than the full width of the top A, the rear side F, E is curved downwardly and inwardly, the floor D is inclined towards the front and the lower part of the front side B is extended at C. The Figure shows how a wallet is inserted into the pocket.
Patent GB-276035-A (GB)
Title: Improvements in and relating to toasters
IPC: A47J37/08
Filed: 1927-08-16
Abstract: 276,035. British Thomson-Houston Co., Ltd., (Assignees of Shroyer, J. L.). Aug. 16, 1926, [Convention date]. Toasting-apparatus.-A toaster comprises a horizontal conveyer which carries the slices past heating means, and a shoot for returning the toast to the entrance end of the toaster. As shown in Fig. 1, the slices are carried on a conveyer 10, consisting of spaced sprocket chains joined by tie bars 18, from the entrance aperture 35 in a casing 34, between electric heating- elements 23, 24 to a shoot 40 down which they slide to a grate or rack 41 situated above a removable crumb tray 43. The sprocket wheel shafts 11, 12 are journaled in side plates 13 secured to a base 15 and the wiring, switches and mechanism are carried on the structure so formed in order that the casing 34 may be readily removed without disturbing the operative parts of the toaster. The motor 19 drives the conveyer 10 through reduction gearing and a chain 21, and, to avoid overheating of the conveyer, the motor is connected in parallel with one of the heating-units so that both units cannot be switched on unless the conveyer is in motion. The casing 34 is provided with a partition 27 having an opening controlled by a damper 26 pivoted at 28 to the plate 27 and actuated by a knob 32 having a latch which locks on a ratchet 33. The damper 26 controls the heating effect of the units 23, 24 by regulating a current of cooling air which enters at an opening 35<a> at the lower part of the casing 34 and passes by the damper to outlet slots 39, incidentally warming a chamber 55 in which the toasted slices are stored. The switches are carried on a plate 38, and lamps 53 which facilitate inspection through a window 52 are in circuit, with one of the switches. The sides of the shoot 40 are extended upwards nearly to the lower unit 24, and a number of crumb trays 45 are positioned beneath that unit. The crumb trays are arranged transversely and are slightly spaced to permit the circulation of the cooling-air. The trays are also mounted on trunnions having cranked ends interconnected by a bar 48 normally pulled by a spring 51 towards the rear of the device. The trays are tilted to discharge the crumbs on to the shoot 40 by pulling the bar 48 by the knob 50. The trays may be retained in a slightly tilted position to vary the total area of air passages by moving the knob 50 over the ratchet 50<a>, a joint 48<a> permitting this. The heating-effect of the units 23, 24 may be varied electrically.
Patent GB-1432062-A (GB)
Title: Recording member for electrophotographic and electrostatic  printing
IPC: G03G5/10
Filed: 1973-05-07
Abstract: 1432062 Coated recording material LAMSON INDUSTRIES LTD 7 May 1973 [8 May 1972] 21620/73 Heading B2E [Also in Division G2] A combined barrier/conductive under coating for the back surface of electrophotographic and electrostatic printing papers consists of a dried film comprising a water dispersible resin in combination with a water soluble surfactant the surfactant being selected from dodecylbenzene-sulphonic acid salts and di-isobutyl phenoxy ethoxy ethyl dimethyl benzyl ammonium chloride monohydrate. In a typical example a vinyl acetate-acrylic copolymer resin emulsion, dodecyl benzene sulphonic acid sodium salt (anionic surfactant) and water are mixed together and coated on paper. The coating was effective as an electrophotographic substrate when used in combination with a resin bound photoconductive zinc oxide topcoat and was also effective as an ionic or molecular donor or acceptor and used as an undercoating on an electrographic recording member, the dielectric overcoating of which comprised a layer of polyvinyl butyral resin.
Patent GB-173802-A (GB)
Title: Improvements in or relating to apparatus for the control of variable speed gears
IPC: F16H59/04
Filed: 1920-07-19
Abstract: 173,802. Ter Cock, C. July 19, 1920. Controlling variable-speed gearing.-A handle is used having a fixed part 1 and a tubular part 2 which is turned relatively to the part 1 and also slid longitudinally upon it. The part 2 has a key connection 7, Fig. 1, with a spindle 3, which is connected by gearing 15, 16 to a selector shaft of the kind described in Specification 105,192, which is turned to select and subsequently slid, to operate, by electrical or mechanical means. To change speed, the operator grasps the tube 2 and presses a knob 19, Fig. 2, of a spring bolt 18 so as to unlock the handle. He turns the tube 2, thereby operating the gearing 15 and turning the selector shaft, which makes electric contacts to operate itself. On completion of the turning of the tube 2, the bolt 18 snaps into a recess a, b; &c. in a flange 2b on the tube. When the tube 2 is in neutral position, a pin-and-slot 2a allows the tube to be slid inwards upon the part 1 to bring the reverse drive into action. In this operation, spring contacts 14, which normally engage a groove in an insulating sleeve 9 are made to engage a conductor 11. As applied to a motorvehicle, the part 1 is supported on a tube 20 secured to the floor.
Patent GB-1207477-A (GB)
Title: Plasma proteins solution
Inventor: FROM ANATOLY ALEXANDROVICH
IPC: C07K14/765
Filed: 1969-04-29
Abstract: 1,207,477. Preparing plasma proteins. TSENTRALNY ORDENA LENINA INSTITUT GEMATOLOGII I PERELIVANIA KROVI. 29 April, 1969, No. 21714/69. Heading A5B. A method of preparing a stable solution of albumin and α- and #-globulin comprises fractionating a plasma or serum containing haemopigments to isolate a fraction containing albumin and α- and #-globulins, adding hydrogen peroxide to said fraction at a temperature not greater than 70‹C., maintaining the treated fraction at a temperature of not greater than 70‹C., to denature thermolabile globulins and haemopigments, and subsequently removing the denatured thermolabile globulins and haemopigments from the treated solution. To obtain the starting material, alcohol may be added to serum or plasma to a concentration of 8% and the precipitate which forms is discarded; the alcohol concentration is then raised to 25% to precipitate gamma-globulin which is removed; the solution is acidified to pH 6 and a further precipitate removed; then the alcohol content is raised to 40%, the pH adjusted to .4.8, and the desired fraction is precipitated. The material is redissolved and may be treated with from 0.01 to 0.1% of hydrogen peroxide.
Patent GB-332399-A (GB)
Title: Improvements in or relating to envelope addressing devices
IPC: B42D15/04
Filed: 1929-07-15
Abstract: 332,399. Power, R. F. July 15, 1929. Labels combined with communication sheets. - To faciltate the addressing of envelopes, the communication sheet sent out by the addressor is provided with a detachable adhesive label which is detached by the addressee and applied to the envelope used for the reply. In one form the communication sheet 1, Fig. 1, has a corner or other portion thereof demarked by lines 2, 3 of perforations or the like, and bears the name and address of the addressor, a part or the whole of the rear face of the demarked portion being provided with ahesive. One corner of the reply label may be marked to indicate the particular department to which the reply is to be sent. In another form adhesive reply labels are bound into pads, from which they can be detached and secured to a communication sheet, being afterwards detached therefrom lay the addressee and secured to the reply envelope. The labels comprising the pad may have a gummed margin 8, Fig. 5, by which they are attached to the commur.ication sheet, and a line of perforations 9 to facilitate the severance of the label portion 4. The lower edge 4b of the label may be ungummed to facilitate handling, and is perforated at 10 to enable it to be removed from the remainder of the label. The line of perforations 9 is so formed that the paper tears along that line more readily than along the line 10 when the lower edge 4<b> is pulled to detach the label from the pad. The portion of the communication sheet above which the label is secured, or the margin 8 of the label, may bear an inscription to indicate the date on which a reply is sent.
Patent GB-1275211-A (GB)
Title: Method of passing a predetermined quantity of material through a port and a device for use in the method
IPC: B65D90/58
Filed: 1970-05-06
Abstract: 1275211 Feed to weighing apparatus WEEGWERKTUIGENFABRIEK ALFRA N V 6 May 1970 [6 May 1969] 21781/70 Heading G1W In a feed valve for controlling the flow of material from a silo to a weighing device, a reciprocating closure plate 14 has a constant stroke but is steplessly adjusted relative to the valve port 1-7 so that the bulk of a predetermined weight of material is passed substantially continuously, i. e. with a substantial part of the port 17 open throughout the stroke, and the final amount is passed as an intermittent or fluctuating dribble feed, i. e. with the port 17 closed or almost closed for a part of each stroke. The closure plate 14 may carry agitator bars 28. It is secured to a slide bar 19 which can be coupled to a drive member 6 electro-magnetically and which is holdable by an electro-magnetically actuated slide 25 when the drive is disengaged. The driving member 6 is connected to a slide 5, reciprocated by an eccentric 2 driven by an electric motor 1, by a nut 8 fixed to the driving member 6 and engaging a screw 9 journalled in the slide 5. To adjust the closure plate 14 relative to the port 17, the screw 9 is rotated by an electric motor 12 on the slide 5. In a modification, adjustment of the drive member 6 relative to the slide 5 is by a hydraulic ram supplied by a pump driven by the motor 1. Other modifications comprise mounting the motor 1 on a slide and connecting the eccentric 2 directly to the driving member 6, or making the plate 14 adjustable along the slide bar 19. In Fig. 3 (not shown), the slide bar (31) carries two closure plates (29, 30) for two ports (32, 33), only the smaller port (33) being opened for the dribble feed. In Fig. 4 (not shown), the slide bar (46) is connectable to a frame oscillated by the drive mechanism by means of an electromagnetically actuated clamp (54).
Patent GB-136914-A (GB)
Title: Apparatus for Repointing Gramophone and the like Needles.
Inventor: MYERS ARTHUR JEROME
IPC: B24B19/16
Filed: 1918-12-30
Abstract: 136,914. Myers, A. J. Dec. 30, 1918. Needles, pointing.-A device for re-pointing gramophone and like needles comprises a barrel a drilled axially at c, d with holes of different sizes, or with an axial tapered hole, to accommodate different sizes of needles, and having slots e in which are placed blocks of abrasive material f. In operation, the needle is inserted and held in one of the holes, the barrel being rotated by the fingers. In a modification, the barrel may be made in two parts, divided by an axial plane, having registering spigots and adapted to be secured together by riveting.
Patent GB-220474-A (GB)
Title: Improvements in and relating to welding torches
IPC: F23D14/46
Filed: 1923-08-29
Abstract: 220,474. Campbell, L. Aug. 29, 1923. Blowpipe burners. - A welding burner comprises a nozzle connected by a single passage to a mixing-chamber with separate passages for supplying combustion-supporting gas and the main proportion of combustible gas, and means for shutting off the supply of combustion-supporting gas before the supply of combustible gas is interrupted, and for providing a pilot supply of combustible gas to the mixing chamber and nozzle through a by-pass passage. Acetylene and oxygen are respectively supplied to conduits 6, 7 of a burner 1, through valves 4 and pass into valve chambers 9, 8, extending through a portion 1<a> of the burner, each chamber having spring-controlled valves 10, plungers 10<a> of which project through threaded guides 11. Passages 6<a>, 7<a>, Fig. 4, lead the gases, when the valves are opened, respectively in front of and behind a nozzle shaped member 15, Fig. 5, at the rear of a mixing-member 14 received in a central recess of the portion 1<a>. A by-pass passage extending from the acetylene conduit and controlled by a needle valve 18 provides for a pilot flame the nozzle 2 with the valves 10 closed. A lever 20 pivoted between lugs 19 on the portion 1<a> has lugs 20<b> with flat inner surfaces adapted to contact with the ends of the valve plungers 10<a>, which are so positioned that, when the valves are closed, only the plunger in the chamber 9 contacts with the corresponding lug 20b so that pressure upon the lever causes the acetylene to be supplied first and so that, when the lever is released, the oxygen supply is shut off before the acetylene supply is interrupted.
Patent GB-1099578-A (GB)
Title: Sofa bed
IPC: A47C17/22
Filed: 1966-05-17
Abstract: 1,099,578. Bed-settees. W. J. STEFFAN. May 17, 1966, No. 21945/66. Heading A4J. In a bed-settee of the kind having four interconnected sections 32a, 34a, 36a and 38a collapsing by folding into a settee body, a wire fabric mattress support 40 is clamped, by two strips 58 and 60, to a rigid board (36b), thus providing even tension across the width of the foot section. Tension springs 116, acting through links 112 and 110, assist the initial unfolding of the bed, while rollers 120 run along a board (20) covering the base of the settee body. Struts 96 support foldable legs 66 through sliding collars 100. Detachable clamps (126) urge sections 34a and 38a together in the folded position.
Patent GB-1449086-A (GB)
Title: Flame retardant dicarbamic acid diesters containing phosphorus
IPC: D06M13/288
Filed: 1974-05-17
Abstract: 1449086 Phosphorus-containing dicarbamic acid diesters BAYER AG 17 May 1974 [19 May 1973] 22022/74 Heading C2P [Also in Division D1 The invention comprises compounds of Formula I: where R is C 1-4  alkylene optionally substituted by one or more halogen atoms, R 1  and R 2  independently are C 1-4  alkyl optionally substituted by one or more halogen atoms or, together with the O atoms and the P atom, form a 5- to 6- membered heterocyclic structure, R 3  is hydrogen, hydroxymethyl or C 1-4  alkoxymethyl and R 4  is -CH(OH)-CH(OH)- or -CH(R 5 )- where R 5  is H, optionally halogen-substituted C 1-6  alkyl or aryl, COOH or C 1-4  alkoxycarbonyl. The compounds of Formula I may be prepared (a) by reacting a compound of Formula II: with glyoxal or a compound of Formula IIa: or a derivative thereof which splits off the aldehyde of Formula IIa under the reaction conditions and, where R 3  in the product is H, optionally methylolating and then etherifying; (b) by reacting a compound of Formula III: where X is chlorine or bromine, R<SP>1</SP> is C 2-4  alkylene, R<SP>1</SP> 4  is -CH(R<SP>1</SP> 5 )- and R<SP>1</SP> 5  is H, C 1-6  alkyl, aryl, COOH or C 1-4  alkoxycarbonyl, with an ester of Formula IV: where R 6  and R 7  are as defined for R 1  and R 2  and R 8  is C 1-4  alkyl optionally substituted by one or more halogen atoms, and, where R 3  is hydrogen, optionally methylolating and etherifying the product; or (c) by reacting a compound of Formula V: where R<SP>11</SP> is C 2-4  alkenyl with an ester of Formula VI: under free radical conditions and optionally where R 3  is hydrogen, methylolating and etherifying the product. The compounds of Formula I may be employed as flame retardants for textile materials, paper or plastics materials.
Patent GB-893857-A (GB)
Title: Device for the starting of control processes by acoustic signals
IPC: B61L25/04
Filed: 1959-06-26
Abstract: 893,857. Electric selective signalling systems; controlling and actuating by sounds. STANDARD TELEPHONES & CABLES Ltd. June 26, 1959 [July 3, 1958], No. 22023/59. Classes 40 (1) and 118. In a selective signalling system, e.g. for mail sorting or railway shunting, an audio-frequency signal received at microphone M is converted into a code combination, each element of which denotes the presence or absence of a corresponding frequency band, by means of filters F 1 -F 5 , the code combination is recorded a number of times on a magnetic drum store I by write heads K 1 -K 5  and additional loops each comprising a read head L 1  and a write head Ka 1 , the code combination is repeatedly applied from pick-up heads Lb 1 -Lb 5  to a comparator comprising five stages A, B, &c., each associated with one code element, and the comparator also receives a succession of different pre-recorded code combinations from a magnetic drum store II which also supplies clock pulses to a ring-counter Z. When the code combinations supplied by stores I, II are identical, none of relays Rela and Relb &c. are operated, all the contacts in chain a, b &c. are closed and gates Tr11-Trnn are opened whereupon the corresponding output St1-Stn is energized from counter Z which is stepped in synchronism with the code combinations recorded on drum II. An erazing signal from generator G may also be applied to drum I over additional contacts a, b, &c.
Patent GB-620164-A (GB)
Title: Improvements in or relating to electric lamp holders and similar couplings
IPC: H01R33/46
Filed: 1946-07-24
Abstract: 620,164. Two-part couplings lamp-holders. GAVALLET, A. July 24, 1946, No. 22089. Convention date, Aug. 1, 1945. [Class 38 (i)] A lamp-holder or coupling has the bared supply leads secured to an apertured, cylindrical block, and clamped in contact with a lamp cap or another similar block. The leads are threaded through a tortuous series of holes and grooves in an insulating block 8, Fig. 1, which slides within a sleeve 1, and is clamped by a screwed plug 6 on to a bayonet lamp cap inserted in the usual slots 5. When the plug 6 is screwed down it locks the lamp in the holder and clamps the bared leads 13, 14 against the contacts. The block 8 has ribs engaging slots in the sleeve 1 to prevent rotation. In modifications, the plug may screw on to an externally threaded sleeve and have either an integral (Fig. 5, not shown) or a separate (Fig. 6, not shown) inner flange, bearing on the insulating block. In a further modification, Fig. 7 (not shown), a separate nut is used to draw the plug down on to the threaded sleeve. In a still further embodiment, Fig. 8, a detachable coupling is formed by two blocks 68, 69 forced together by screwed plugs 66, 67. In all embodiments a spring may be inserted between the screwed plug and the upper face of the block.