baber/WOPTO huggingface dataset:
Patent GB-164367-A (GB)
Title: Improvements in or connected with friction clutches
IPC: F16D13/64
Filed: 1919-01-22
Abstract: 164,367. Frood, H. Jan. 22, 1919. Clutches, friction.-In friction clutches of the type comprising a plurality of alternating driving and driven metal plates or discs formed with coacting circumferential projections and recesses of V-section, discs of friction material composed of organic or inorganic fibrous matter, or both, bonded by a cementitious substance, such as described for example in Specifications 4627/09, 11695/13, and 121,301, are interposed between adjacent plates in order to obviate the necessity for the clutch to run in oil and to promote ready separation of the plates. The friction discs are shaped to conform to the clutch plates and are preferably die-pressed, as described in Specification 19952/12; they may be attached to either the driving or the driven plates or both, or may be unconnected.
Patent GB-1098341-A (GB)
Title: Electric tape dispenser
IPC: B65H35/00
Filed: 1965-01-14
Abstract: 1,098,341. Tape dispenser. S. ORTNER. Jan. 14, 1965, No. 1673/65. Heading A4G. A tape dispenser has the roll R supported on rollers 14<SP>1</SP> between adjustable side plates 15 in a casing 12, the tape passing between guide plates 20, 22, beneath a cutter 77 and between hinged plates 85, 87 weighted at 89 where the tape is moistened by brushes 90 supplied with water from a bottle at the side of the casing. A side casing has a switch 100 for a motor and fan therein driving a tape feed wheel 27 projecting through a slot 24 in guide 22 into contact with the tape. A centrally pivoted switch lever 101 either energizes solenoid 61 to move a yoke 45 pivoted at 46 and connected by pivot 47 and spring 55 to a yoke 48 pivoted at 52 whereby a wheel 50 presses through a guide slot 23 on to the tape and wheel 27 so that the tape is moved forward by the wheel 27, or energizes solenoid 72 to pull down the tape cutter 77 against spring 82. The dispenser may be controlled by a single push button, the release of which allows a spring to move the knife to its cutting position. In a further embodiment, a push button is surrounded by a dial which can be turned to preset the length of tape dispensed by using a synchronous motor and timing device. In the embodiment, the continuous dispensing of tape can be produced by continuously depressing the button while the motor turns by the slipping of a clutch.
Patent GB-457423-A (GB)
Title: Improvements in explosive cartridges
IPC: F42B5/16
Filed: 1936-01-20
Abstract: 457,423. Explosive cartridges. NOTTELLE, L. E., 15, Avenue Victor Hugo, Pavillons-sous-Bois, Seine, and HERZMARK, N., 44, Rue Vitruve, Paris, both in France. Jan. 20, 1936, No. 1800. [Classes 9 (i) and 9 (ii)] An explosive cartridge for the starting of internal-combustion engines or for like purposes, for example as described in Specification 366,181, [Group XXVII], comprises one or more bands a of a plastic nitrocellulose material, such as waste kinematograph film stock, wound to form a cylinder having an axial channel containing an igniter g, characterized by the fact that the rate of combustion, which takes place only from the centre and thereafter from layer to layer, is controlled at certain places by spacing some of the layers apart, by impregnating some of the layers or parts of the band or bands with suitable agents, or by inserting strips of suitable materials between some of the layers. The inner layers b may be spaced apart as shown in Fig. 6 by means of closed or open projections of various shapes pressed out of the film such as c<1>, Fig. 2, or d, Fig. 3. The top and bottom of the cylinder or its interior surface or certain layers may be treated with retarding agents such as phthalic esters, solutions of camphor, glycerine esters, phenolic or cresylic phosphates, or cellulose acetate. Certain layers may be of faster burning materials such as nitrated paper impregnated with alkali or ammonium nitrate, chlorate, or perchlorate, or of slower burning materials such as ordinary paper, sized or not, and impregnated with non-explosive and fireproof substances. An outer skin is formed round the cylinder by dipping it in a plastifying agent.
Patent GB-789772-A (GB)
Title: Improvements in or relating to devices for dispensing open retaining rings and applying them to a grooved member
IPC: B25B27/20
Filed: 1956-01-19
Abstract: 789,772. Inserting spring rings. WALDES KOH-I-NOOR, Inc. Jan. 19, 1956 [Feb. 2, 1955], No. 1807/56. Class 61. A device for dispensing open retaining rings and applying them to grooved shafts or pins comprises a blade-like applicator having a pair of resilient arcuate jaws which together define a substantially semicircular ring receiving and gripping recess and a stack rod fixed to the applicator member for disposing a column of rings to be dispensed, the column being disposed above or below the recess. As shown in Fig. 1, a stack rod 16 is fixed to the applicator blade 10 by a bracket 17. The lower part 16a of the blade is a leaf spring, the lower end of which terminates immediately above the recess 14 formed by the jaws 12, 13. The upper end 16b of the rod is detachably mounted on the lower part 16a to enable a stack of rings to be mounted on the rod. The device is held by the handle 11 and pushed against the groove in the shaft &c. the lowermost ring thus being pushed into the groove and the spring 16a flexing backwardly. On retraction of the tool the next lowermost ring of the stack is transferred to the recess .14. In a modification the stack rod is made in one flexible piece. Instead of providing a handle the rear end of the blade member may be secured to a base. In another modification one jaw is extended to form a tongue to engage the groove in the shaft and guide the ring. In another modification, Fig. 5, the ring recess is forwardly off-set from the stack rod 34 the rings being fed downwardly into a slideway comprising grooved side rails 30a, a feed slider 42, connected to the applicator blade 30, being operative in the slideway and normally urged by a spring 45 into a forward position in order to underlie the column of rings on the stack rod. A pusher bar 38 is fixed to the slider 42 normally extends forwardly of the ring recess 14a, Fig. 8 (not shown), the forward end 38a being adapted to engage against the shaft upon which a ring is to be assembled. A spring finger 56 prevents rearward movement of the rings in the slideway. In a modification the tool is operated by a hand lever and in another modification guide means are provided comprising an elongated spring finger adapted to exert spring pressure both on a ring moving forwardly from the recess and on a ring moving into the recess,
Patent GB-819426-A (GB)
Title: Improvements in or relating to mine roof supporting structures
IPC: E21D17/086
Filed: 1956-01-19
Abstract: 819,426. Mine roof supporting bars. GERLACH, K., and GERLACH, H. Jan. 19, 1956 [Jan. 24, 1955], No. 1810/56. Class 20(2) In a fork and tongue connection 1, 2 between the ends of mine roof bars A. B, in which the tongue 2 is forced by a wedge 5 in apertures in the pads against an abutment member 3 in order to raise the new bar B into position, the abutmen 3 is pivoted by pins 4 in the fork 1 of the already installed bar A and has flanges 12 to support the bar B which is being installed. The wedge 5 which is adapted to be driven through apertures in the fork and tongue, acts in the longitudinal direction of the bars forcing the tongue 2 against the element 3 relative movement of which is prevented by projections 10. The member 3 may be turned on its pins 4 toprovide an abutment for the tongue 2 when the bar A is used when turned through 180 degrees about its axis. The wedge which also acts as a pivot pin for the bars is held captive in one limb of the fork by ribs and grooves 9.
Patent GB-310081-A (GB)
Title: An improved switching arrangement for zone time metering in interurban telephonic connections chargeable at different rates
IPC: H04M15/10
Filed: 1928-01-19
Abstract: 310,081. Soc. Anon. Hasler ci-devant l'Atelier des TÚlÚgraphes de G. Hasler, and Neu, M. Jan. 19, 1928. Metering.-The calling subscriber's meter is operated a variable number of times depending on the junction over which the connection is established by means of a rotary switch associated therewith. The operation takes place initially when the called subscriber replies, and is afterwards repeated at regular intervals during the conversation. On the reply of the called party, relay URb connects up relay RG, which energizes magnet LM, allowing the segment AS to be moved to the right by means of a spring to start the timing-device T, and connects the switch magnet SM over bank DWZ to a high-resistance relay RI, which acts in combination with relay RII as an interrupter. The switch is accordingly stepped, and metering impulses are sent to the meter GZ over bank DWK until contact 4 is reached when the stepping circuit is open. After 3 minutes, a momentary circuit is closed by the timing-device T for relays RK, RV, which fall back in turn, the latter being sluggish, and complete a fresh circuit for magnet SM, which is again connected to relay RI after one step, and the metering operation is repeated. By varying the grouping of the contacts of the rotary switch, any desired number of metering impulses may be sent. Upon release, relays URb, RG fall back, and magnet AM is connected to relay RII and steps the segment AS to the normal position shown, while the rotary switch is advanced to normal in a similar manner.
Patent GB-929228-A (GB)
Title: Quinoxalino-[2, 3-b]-ú­-benzothiazine derivatives and their preparation
IPC: C07D513/04
Filed: 1960-01-19
Abstract: The invention comprises compounds of the general formula <FORM:0929228/IV(a)/1> or <FORM:0929228/IV(a)/2> (wherein Y represents a hydrogen or halogen atom, Z represents an alkylene radical having 2-6 carbon atoms of which 2-4 are in the direct chain between N and Am, and Am represents a C2-8 dialkylamino group wherein the two alkyl radicals can be bound to each other direct or through an oxygen atom) and their acid addition salts, and the preparation thereof (a) by reacting, in the presence of a basic condensing agent, an 11H-quinoxalino [2.3-b]-p-benzothiazine of the general formula <FORM:0929228/IV(a)/3> with a reactive ester of an aminoalcohol HO-Z-Am, and, if desired, converting the product into an addition salt with an inorganic or organic acid, or (b) reacting a reactive ester of a compound of the general formula <FORM:0929228/IV(a)/4> or <FORM:0929228/IV(a)/5> with a secondary amine Am-H, or (c) condensing an N-substituted o-aminothiophenol of the general formula <FORM:0929228/IV(a)/6> with 2,3-dichloroquinoxaline in the presence of an acid-binding agent.  The products have anti-allergic, serotonin-antagonistic, anti-convulsive, adrenolytic, sedative and anaesthetic-potentiating activity.  Halogen substituted 11H-quinoxalino [2,3-b]-p-benzothiazines (of the formula given in (a) above, Y representing a halogen atom, e.g. chlorine in the 3-position) are prepared by condensing a halogen substituted 2-aminothiophenol with 2,3-dichloroquinoxaline.  Reactive esters used as starting materials in process (b) are prepared by reacting alkali metal compounds of 11H-quinoxalino [2,3-b]-p-benzothiazines of the general formula given in (a) above with alkylene oxides and reacting the resulting hydroxyalkyl derivatives with inorganic acid halides, methanesulphonic acid chloride or arylsulphonic acid chlorides.  N-(g - Dimethylaminopropyl)- o-aminothiophenol is prepared by refluxing 3-dimethylaminopropylbenzothiazolone-2 with ethanolic caustic potash. 3- Dimethylaminopropylbenzothiazolone-2 is prepared by refluxing benzothiazolone-2 with dimethyaminopropyl chloride and sodamide in benzene.
Patent GB-304658-A (GB)
Title: Improvements in or relating to hand mirrors
IPC: F21V33/00
Filed: 1929-01-18
Abstract: 304,658. Brot, C. G. F. Jan. 23, 1928, [Convention date]. Looking - glasses. - A hand mirror 1 is fitted with an electric lamp 14 which is automatically switched on or off when the mirror is removed from or replaced upon its supporting bracket 2. The flexible leads by which the mirror is connected to the bracket are preferably wound on a spring drum in a casing 7 on the bracket. A plunger switch 17 housed in a tubular projection 20 on the lower part of the bracket is pulled out on removal of the mirror, the plunger having a snap connection with a socket in the mirror handle.
Patent GB-923510-A (GB)
Title: Improvements in or relating to the distillation of benzolized wash oil
IPC: B01D3/38
Filed: 1960-01-19
Abstract: <PICT:0923510/III/1> In the production of light oil from benzolized wash oil by steam distillation in a column having a lower stripping section and an upper fractionating section, steam being introduced at the foot of the column, the wash oil is preheated to a temperature of up to 180 DEG C. and divided into two streams, the first being passed directly to the head of the stripping section and the second being passed to the fractionating section after heating to a temperature of up to 230 DEG C.  The second stream may be partially vaporized in a flash chamber before introduction into the column in order to remove high boiling impurities.  Spent wash oil may be fed into the second stream before heating.  As shown, benzolized wash oil passes through a line 1 in heat exchange with overhead vapours from a column 17 into a furnace 4 wherein it is heated first by convection and then by radiation to 160 DEG -180 DEG C.  A portion of the initially heated oil is then passed via line 18 to column 17 while the remainder is returned via line 13 to furnace 4 and is heated therein to 220 DEG -230 DEG C. and is then passed to column 17 as vapour via flash chamber 35 and line 16, high boiling impurities being passed off from flash chamber 35 via line 36.  Spent wash oil is added to the initially heated oil in line 13 from line 31.  Steam is supplied to column 17 via line 22 and stripped wash oil is drawn off via line 23. The overhead vapours pass off via a line 24, heat exchanger 2 and cooler 25 to a condenser 26.  Water passes off via line 27 and light oil via line 28, a portion of the light oil being recycled via line 30 to the distillation column 17.
Patent GB-579958-A (GB)
Title: Improvements relating to shaft furnace coolers
IPC: F27D1/12
Filed: 1945-01-24
Abstract: 579,958. Shaft furnace coolers. BOWIE, D. Jan. 24, 1945, No. 1864. [Class 51 (ii)] A shaft furnace cooler 3 fitting into an aperture 5 in the furnace shell 6, is secured to a retaining plate 7 by nuts 8 threaded on screws 4 projecting from the face of the cooler and passing through the plate 7, which overlaps the aperture 5 and is secured by nuts 9 to studs 18 welded to the shell 6, the joint being sealed by a plastic composition. The cooler assembly is loosened by tightening set screws against the furnace shell 6 through holes 10 in the plate 7. The extraction of the cooler may be assisted by the use of a steel D-shaped dog straddling the plate 7, pierced to slide on the screws 4 and acted upon by nuts tightened on the said screws. Water circulating pipes have connections at 12 through apertures 11 in the plate 7. The invention may be applied to coolers of the " plate " or "agar " type.
Patent GB-237301-A (GB)
Title: Improvements in electric relays
IPC: H01H53/015
Filed: 1924-01-23
Abstract: 237,301. Haddan, R., (Regan, J. B.). Jan. 23, 1924. Moving-coil relays; electromagnetic switches.-In a moving-coil relay, particularly adapted for use in the automatic operation of train-control mechanism from devices on the track, a light frames 11 carrying the moving- coil winding 10 is mounted on pivots 12 between the pole faces 9 at the ends of branches 8 of a field magnet core 2, mounted on brackets 3. 4 within a casing 7 and provided with an energizing coil 1, a fixed magnetic core 15 is mounted within the frame 11, and buttons 30, integral with movable contact fingers 23, 28 co-operating with fixed contacts 21, 26 in the outgoing circuits, are arranged above the lateral edges of the frame. The cores 2 and 15 are preferably of laminated iron. The core 15 and the trunnion screws of the pivots 12 are carried by a frame 13 of non-magnetic material secured to the poles of the field magnet. The brackets 3, 4, and the terminal and contact elements are carried by the. cover 6 of the casing, and the brackets are preferably supported on a pad 5 at the bottom of the casing. The contact fingers 23, 28 normally hold the frame 11 in neutral position. The field current may be supplied to either of the coils 1, 10, and the operating current to the other. Alternating current may be used, in which case the direction of movement of the frame 11 may be reversed by reversing the connections to the coil 10. In a modification the field is provided by a permanent magnet, and the frame 11 is arranged for movement to one side only of its neutral position, contact elements being provided to co-operate with one lateral edge only of the frame, and the other lateral edge cooperating with a fixed stop.
Patent GB-489289-A (GB)
Title: Improvements in or relating to thermionic amplifiers
IPC: H03F3/22
Filed: 1937-01-22
Abstract: 489,289. Valve amplifying circuits. STANDARD TELEPHONES & CABLES, Ltd., and STRONG, C. E. Jan. 22, 1937, No. 1957. [Class 40 (v)] In an amplifier the input circuit is arranged in series with the output circuit so that the load current passes through the input circuit and sets up a voltage giving negative feed-back. The Figure shows a push-pull tuned arrangement in which the grids are grounded and the input is applied between the cathodes. A coil 5 is provided, as shown, to give an additional feed-back in a positive sense partially to compensate for the reverse feedback. The filaments are fed by double wound chokes 6, 7 and the inductance of the leads connecting the grids to ground may be neutralized for any given frequency by adjustment of condensers inserted in these leads.
Patent GB-797672-A (GB)
Title: Improvements relating to balanced electrical protective apparatus
Inventor: WILLIAMSON DENIS
IPC: H02H3/34
Filed: 1955-01-22
Abstract: 797,672. Protective cut-out systems. FERRANTI, Ltd. April 20, 1956 [Jan. 22, 1955], No. 1982/55. Class 38 (5). In a balanced protective system the three relay coils 11, 12, 13 in the separate phases are combined into one D.C. relay. Rectifiers 15, 16, 17 ensure that currents flow in these coils in one direction only and the rectifier 17 is reversed so that a force proportional to the current in the coil 13, which has twice as many turns but the same resistance as 11 or 12, is balanced against that of the other two coils. When the relay operates its contacts 18, 19 disconnect the load 14 and connect indicating lamps 21, 24 and resistors 23, 25 to phase C to hold the contacts in this position. A push switch 22 restores the relay to normal. In Fig. 2 the cores 26, 27 of a magnetic amplifier are each provided with six coils arranged for full-wave rectification and two control coils 28, 29 in a relay circuit so that saturation of the cores on unbalance reduces the impedance of coils 28, 29 and hence increases the current in one coil 49 of the relay 43, which opposes closing coil 54 for contacts 41, 42. The effect of increased current in the coil 49 is thus to open contacts 41, 42 which remain open until a start switch 46 is actuated. Additional windings 51 in the circuit of the coil 49 assist the winding sets 32 in phase B so as to equalize the sensitivity of the amplifier in the various conditions of unbalance.
Patent GB-236831-A (GB)
Title: Trolley pulley
IPC: F16H7/20
Filed: 1925-01-22
Abstract: 236,831. Schweinfurter Prazisions- Kugel-Lager-Werke Fichtel & Sachs, Akt.-Ges. Dec. 4, 1924, [Convention date]. Ball and roller bearings.-In a trolly pulley for collecting electricity and mounted on an insulated antifriction bearing within a hollow hub 3, the latter is made in two parts which screw into each other and have side flanges 2 which hold the pulley 1 in position. As shown for a pulley in which a ball bearing is used, the outer race ring 8 is clamped between the hub parts 3 and may be protected by a sleeve 4 and annular discs 5 or by L-shaped sleeves 6, 7 all of insulating material. The inner racering may be fixed or slidable on the pin 11. Electric current is collected bv springs 13 fixed to the trolly head 10 and bearing against the end faces of the hub 3.
Patent GB-1115591-A (GB)
Title: Process for preparing dihydroxy compounds
IPC: C07C43/13
Filed: 1966-01-17
Abstract: Dihydroxy compounds of general formula HO-(CH2-CH2-CH2-CH2-O)n-H in which n = 1 to 10 are prepared by heating a diacetyl compound of general formula CH3COO(CH2-CH2-CH2-CH2-O) n-COCH3 with water in the presence of not more than 4% (calculated on the weight of the diacetyl compound) of an acidic catalyst at a temperature not exceeding 120 DEG  C.  The preferred amount of catalyst is from 0.5 to 1.0% and the temperature is preferably substantially 100 DEG  C. Suitable diacetyl compounds are 1,4-butylene glycol diacetate, 1, 4-dibutylene glycol diacetate, 1, 4-tributylene glycol diacetate and 1, 4-tetra-butylene glycol diacetate.  Mixtures of 1, 4-buty-lene glycol diacetate and 1, 4-polybutylene glycol diacetate are also suitable.  Suitable acid catalysts are sulphuric acid, phosphoric acid, potassium hydrogen sulphate, p-toluene sulphonic acid or mixtures of these.  Examples describe the preparation of 1, 4-dibutylene glycol and 1, 4-tributylene glycol.
Patent GB-1451258-A (GB)
Title: Power tools
IPC: F16D7/04
Filed: 1974-01-17
Abstract: 1451258 Power tools ROCKWELL INTERNATIONAL CORP 17 Jan 1974 [2 Feb 1973] 02178/74 Heading B4C [Also in Division B3] A power driven masonry &c. tool wherein the drill is rotated and also hammered has means to disengage the rotating drive so that the tool is only hammered. The tool holder 32 is hammered by a pneumatic piston 42 in a reciprocating piston 26 and the tool casing is cushioned by a ring 62 of resilient material and sealed by an O- ring 58 in the holder. The holder 32 is rotated by the reciprocating piston 26 which is helically splined to oscillate a serated face one-way coupling (106, 110) (Fig. 3A, not shown) which is mounted to rotate around the spline and is held against rotation by a clutch 100 and spring 114 to provide an overload give-way device and also to transmit rotation to the tool holder 32. For hammering only the coupling (106, 110) is separated by a lever arm 38 and eccentric 37. In Fig. 6 the coupling is a dog coupling 170 that is separated by turning a knob 158.
Patent GB-681203-A (GB)
Title: Improvements in and relating to two-stroke internal combustion engines
IPC: F02B75/02
Filed: 1950-01-27
Abstract: 681,203. Pistons, packing; cylinder heads. HALL. J. W. Jan. 24, 1951 [Jan. 27, 1950], No. 2179/50. Class 122(i) [Also in Group XXVII] An internal-combustion engine (see Group XXVII) trunk piston 2 with an integral sleeve extension 3 working over a re-entrant cylinder head 4 has preferably T-section heat-transfer rings 17 adjacent its crown and lubricant control rings 14 on its skirt. Gas packing rings 18 are provided on the head 4, which may have drillings (not shown) through which a metered feed of oil is supplied to the ring grooves.
Patent GB-385126-A (GB)
Title: Process for increasing the elasticity and strength of artificial silk and the like
IPC: D01F2/06
Filed: 1932-01-25
Abstract: The process of making viscose artificial silk &c. described in the parent Specification, according to which two baths are used for coagulation, the second being a plasticizing bath, is modified by the addition to the latter bath only of salts such as sodium sulphate, zinc sulphate, chromium sulphate, magnesium sulphate, sodium acetate, or mixtures of these.  And to this bath there may also be added organic substances such as keratine, glucose, dextrin, or gelatine. For the first bath, sulphonic acid or other mineral acid is employed.