baber/WOPTO huggingface dataset:
Patent GB-1313163-A (GB)
Title: Apparatus for cleaning and partially drying carpets
IPC: A47L11/34
Filed: 1970-04-24
Abstract: 1313163 Carpet cleaning apparatus HYDROTEX CORP 24 April 1970 [24 April 1969] 19878/70 Heading A4F  A carpet cleaning apparatus comprises a suction nozzle C, carried by a cleaning head 26, and connected by a hose 16 to a tank A having in an upper part a centrifugal blower B for evacuating air from the tank, a sprayer D carried by the head 26 for discharging cleaning liquid on to the carpet to be cleaned adjacent the suction nozzle C, and a centrifugal pump G in a lower part of the tanks A for removing used cleaning liquid and passing it via a hose 25 to a drain. The tank A is mounted on a wheeled carriage 10, Fig. 1 (not shown), and secured thereto is a reservoir E for cleaning agent which is mixed in a T joint.62 with water supplied through a pipe 63b, the mixture being fed via a tube 50 to the sprayer D.
Patent GB-1157969-A (GB)
Title: Improvements in and relating to Bimetallic Materials
Inventor: WANT JOHN GEOFFREY
IPC: H01H1/021
Filed: 1967-05-01
Abstract: 1,157,969. Making composite strip; welding by pressure; jointing by rolling; soldering. JOHNSON, MATTHEY & CO. Ltd. 26 April, 1968 [1 May, 1967], No. 19894/67. Headings B3A, B3M and B3R. In making inlaid material a groove or rebate is formed in the surface of a substrate of aluminium or aluminium alloy and a strip of silver or silver alloy is inserted in the groove or rebate and subjected to heat and pressure. The strip may be roll bonded and when the groove is of rectangular section pressure may be applied in two directions at right-angles to form bonds at the bottom and side of the groove. The surfaces of the strip and/or of the groove may be plated with tin or copper to promote an eutectic bond. Two blocks of aluminium alloy containing 3¢% Mg and 0À3% Mn have rectangular bars of silver fitted into grooves therein and subjected to 940 lb. per square inch in a press while heated to 535‹ and 620‹ C. respectively. In each case a silver/aluminium bond is formed at the bottom of the groove in 30 minutes. The blocks are then rolled down. Such inlaid material is suitable for electrical contact arm manufacture.
Patent GB-580674-A (GB)
Title: Improvements in or relating to locks
IPC: E05B25/00
Filed: 1944-10-16
Abstract: 580,674. Locks. EVENNETT. F. F. Oct. 16,1944, No. 19916. [Class 44] A lock mechanism comprises a follower which engages with the bolt and receives motion by engagement with the outer surfaces of a series of tumblers or camplates adapted to be rotated with their driving portions in alignment by a suitable key. The tumblers are pivoted about the axis of rotation of the key and are each turned by engagement of an internal stepped or spiral portion with a corresponding bit or ward of the key. In one embodiment, Fig. 1, the latch bolt E, which may be withdrawn against spring action by hand-operated means, as by a handle or knob, is locked in the shot position by engagement of a projection F on a follower D with a slot J or, alternatively, may be locked in the withdrawn position by engagement of the projection F with the face H. The arms D<1> of the follower D embrace the outer surface of the tumblers C, which are pivoted about a slotted spindle A which also acts as a guide for the key K. Wards projecting from the latter engage with steps S on the internal contour of the tumblers. Spacers B, held stationary by engagement with a pillar M prevent rotation of any tumbler by frictional contact with its neighbour. Spring plates, conveniently of the same shape as the spacers and held stationary by the same means, may be employed at one or both ends of the assembly of tumblers and spacers: In an adaptation to a padlock, the bolt E is replaced by a hinged hasp. In a further adaptation to a drawer lock, the follower may itself form the bolt. In the embodiment of Fig. 10, the bolt Z of a night latch is withdrawn by a composite follower L comprising a spring- pressed pawl R which engages with groves Y on the tumolers. The steps S are provided on one side only of the internal contour of each tumbler. The pawl R may be of springy material rigidly secured to the follower as by riveting.
Patent GB-320597-A (GB)
Title: Improvements in and connected with the manufacture of cement
IPC: C04B7/42
Filed: 1928-04-26
Abstract: 320,597. Badder, H. C. April 26, 1929. Divided application. Cements, Portland and Roman.-Coloured hydraulic cements are made by fusing a pure base of Portland cement or of aluminous cement, or the like, together with metallic oxides, carbonates or other salts. A small proportion of fluxing material may also be added. The raw materials and colouring matter are very finely ground, for instance to pass a 200 per inch mesh sieve. The fused cement is run into moulds and subsequently ground. Examples of colouring matter are ferrous and ferric oxides, oxides of copper and cobalt, salts of iron, copper, manganese, cobalt and chromium, and earth pigments such as ochre, bole, sepia and brown umber. In some cases a proportion of finely ground metal may be added to overcome the effects of the caustic lime on the colours.
Patent GB-685623-A (GB)
Title: Improvements in or relating to nets
IPC: D06M15/59
Filed: 1949-07-29
Abstract: An adhesive solution, for application to nets, (see Group IV (c)), comprises a synthetic linear polyamide, e.g. polyhexamethylene adipamide, polyhexamethylene sebacamide, polypentamethylene sebacamide, and an interpolyamide or polyesteramide, in a mixture of an aliphatic alcohol boiling below 200 DEG  C., formaldehyde or a formaldehyde donor, e.g. paraformaldehyde, and an unsubstituted liquid fatty acid, and /or a mixture of an aliphatic hydroxy acid and formaldehyde or formaldehyde donor, with or without water.  Specified alcohols are methyl, ethyl, propyl, butyl and amyl alcohols. Specified fatty acids are formic, acetic, propionic, butyric and valeric acids.  Specified hydroxy acids, which may be employed in the form of acid salts and partial esters, are glycollic, lactic and citric acids, and ethyl and potassium hydrogen tartrate. Diluents, e.g. benzyl alcohol and ethyl lactate, plasticizers, p  e.g. polyethylene oxide and ricinoleic acid, and pigments or dyestuffs, e.g. bronze powder, may be added to the solution.ALSO:Slippage of knots in synthetic linear polyamide nets is prevented by applying thereto, or to the yarn during or before knotting, a solution made by dissolving, with heat if necessary, a synthetic linear polyamide in a mixture of an aliphatic alcohol boiling below 200 DEG  C., formaldehyde or a formaldehyde donor, e.g. paraformaldehyde, and an unsubstituted liquid fatty acid and/or a mixture of an aliphatic hydroxy acid and formaldehyde or formaldehyde donor, with or without water, and removing the solvent by evaporation.  Specified polyamides are polyhexamethylene adipamide, polyhexamethylene sebacamide, polypentamethylene sebacamide, interpolyamides and polyesteramides. Specified alcohols are methyl, ethyl, propyl, butyl and amyl alcohols.  Specified fatty acids are formic, acetic, propionic, butyric and valeric acids.  Specified hydroxy acids, which may be employed in the form of acid salts and partial esters, are glycollic, lactic and citric acids and ethyl and potassium hydrogen tartrate. To the solutions diluents, e.g. benzyl alcohol and ethyl lactate, plasticizers, e.g. polyethylene oxide and ricinoleic acid, and pigments or dyestuffs, e.g. bronze powder, may be added.
Patent GB-499374-A (GB)
Title: Improvements relating to plant for drying grasses and the like
IPC: F26B17/04
Filed: 1937-07-19
Abstract: 499,374. Treating grain. NEWMAN, J. E., and CURTIS, E. E. July 19, 1937, Nos. 19937 and 27955. [Class 58] [Also in Group XIII] In drying grain and the like on one or more conveyers 1 in two or more stages, the grain is positively tedded by rotary mechanical means 10 in a cool zone 5 not subjected to the drying medium between the hot air chambers 4, 6. The grain is cooled at the outlet 23 by air sucked in by the fan 15. An endless belt 17 resting on the grain in the chamber 4 is driven at the same speed as the conveyer. Hot air from a furnace 11 mixed with cool air at 12 is drawn into the top of the chamber 6 down through the conveyer by a fan 15 to a duct 24, where it is heated by air from a secondary furnace 20, whence it passes through a duct 16 to the primary drying chamber 4 up through the conveyer to an outlet 19. Part of the used air returns by a thermostatically-controlled byepass 26 to the mixing chamber 12 of the furnace 11. Each chamber may have a separate conveyer, the first being higher and inclined.
Patent GB-1472825-A (GB)
Title: Shopping trolleys
IPC: A45C3/04
Filed: 1975-05-13
Abstract: 1472825 Shopping trolley bag D R CLEGG 13 May 1975 19977/75 Heading A4G A bag 11 for a shopping trolley 12 has a collapsible extension 14 adapted to increase the capacity of the bag. As described the extension is of flexible material and is stitched to the insides of the bag walls near their upper edges. The extension may be closed by a draw-string 14b or a zip fastener, and a closure flap 14c may also be provided. The extension may have pockets which co-operate with a strut or struts (not shown) provided adjacent the top 12b of the trolley to support the extension. In an alternative embodiment the extension is in the form of an extensible flexible skirt joining separable upper and lower bag parts arranged in axially adjacent disposition.
Patent GB-664742-A (GB)
Title: Building block
IPC: E04B2/42
Filed: 1949-07-30
Abstract: 664,742. Building blocks. JENKINS, T. July 30, 1949, No. 20044/49. Class 87(i) A building block provided with through apertures in two directions at right-angles comprises four layers 2, 4, 5, 3 separated by small spacer portions which are spaced from the edges of the layers and are arranged out of alignment so that a cavity appears in all paths normal to the faces 2, 3.
Patent GB-628351-A (GB)
Title: Improvements in or relating to air humidifying apparatus
IPC: F24F6/06
Filed: 1947-07-25
Abstract: 628,351. Humidifying air. CUMMINGS, W. W. July 25, 1947, No. 20118. Convention date, Jan. 11, 1940. [Class 55 (ii)] Humidifiers for imparting a very high vapour pressure to a relatively small air stream which on contact with room air distributes the required humidity comprise an inlet 12, air heater 16, a hot water spray nozzle 54 over a reservoir 24 and eliminator passages leading to a fan 74 and outlet 14. A pump 30 delivers water through a gas-heated coil 38 to the heating surfaces of the air heater and thence to the nozzle. Current is supplied to the pump motor under the influence of a humidistat when room humidity is below a selected value, a solenoid 48 opening a gas burner valve 46 which remains open until a predetermined water temperature is reached whereupon a switch 86 opens the solenoid circuit. When the sprayed air temperature is high enough to close a thermostatic switch 92 the fan motor is energized. The air and water heaters may be heated by steam and switches 86, 92, dispensed with.
Patent GB-1595725-A (GB)
Title: Dyeing bundles of fibres
IPC: D06P7/00
Filed: 1978-05-17
Abstract: Disclosed is a method for dyeing a bundle of fibers, such as a sliver, wool top or a synthetic-fiber tow. A bundle of fibers is accumulated into a dyeing can, comprising a main can and an auxiliary can, and, then, the bundle of fibers in the auxiliary can is pressed from above to pack the bundle of fibers in the main can in the compressed condition. Thereafter, the auxiliary can is separated from the main can. Next, a plurality of full packaged main cans are arranged in a predetermined positional relationship which conforms to the layout of the main cans in a dyeing bath and the full packaged main cans are charged into the dyeing bath while maintaining their prepared positional relationship. Then, the dyeing operation is carried out. After completion of the dyeing operation the main cans are taken out from the dyeing bath and are turned over so as to take out the packed bundle of fibers therefrom. To carry out the dyeing method, the dyeing can is provided with a particular construction comprising a main can and an auxiliary can which is capable of being separably assembled to the main can. Therefore, particular devices such as a cans-arrangement station, sliver filling device, pressing device, dismounting station, transfer device, lid separating device and turnover device, etc., which are arranged along an operational line to carry out the above-mentioned method, are utilized.
Patent GB-425893-A (GB)
Title: Improvements in the manufacture and production of lubricating oils
Filed: 1933-07-17
Abstract: Lubricating oils are obtained by heating under pressure of at least 50 atmospheres and at a temperature of 200--450 DEG  C., preferably 300--450 DEG  C., hard or soft-waxes or petrolatum, or oxygen-containing aliphatic hydrocarbon derivatives of molecular weight above 250, e.g. montan wax, or mixtures thereof, in the presence of elements of groups 5--8 of the periodic system, e.g. molybdenum, tungsten, chromium, sulphur, vanadium, manganese, nickel, cobalt, iron or their compounds, e.g. oxides or sulphides, or copper, silver, zinc, copper-zinc, aluminium or boron or mixtures thereof, the degree and duration of heating being only such that the reaction product contains about 20 per cent or more of constituents boiling above 200 DEG  C., the hydrogen content of which is not less than about 90 per cent of that of the initial materials.  The action may be enhanced by the addition of condensing catalysts of the Friedel-Craft's type, e.g. aluminium chloride, zinc chloride, iron chloride, boron fluoride or phosphorous oxychloride, the pressure being at least 10 atmospheres.  The catalyst may be arranged on carriers, e.g. active carbon, lignite coke, silica or bleaching earths; or may be incorporated with the material.  Pressure may be produced by heating, alone, or with the aid of gases, e.g. nitrogen, methane, cracking gases or hydrogen.  When working with hydrogen, the partial pressure should be up to 20 per cent of the total pressure. The reaction may be carried out in the presence of cyclic hydrocarbons, e.g., naphthalene, anthracene, phenanthrene, mineral coal tar fractions, &c., or liquid or gaseous olefines, or gaseous or liquid cracking products from paraffin wax.  Examples are given of the treatment of paraffin wax for two hours in an autoclave, (1) at a temperature of 410 DEG  C., in the presence of molybdic acid or molybdic acid and zinc chloride, and under an initial pressure of nitrogen of 40 atmospheres, rising finally to 140 atmospheres; and (2) with an addition of naphthalene, at a temperature of 400 DEG  C., in the presence of molybdic acid and zinc chloride under pressure of cracking gases rising from 40--220 atmospheres.  Specification 311,789, [Class 32], is referred to.
Patent GB-605043-A (GB)
Title: Improvements in or relating to pressure regulating means for the drawing-off rollersof noble and like combing machines
IPC: D01G19/02
Filed: 1946-07-06
Abstract: 605,043. Combing machines. WHITAKER. H. July 6, .1946, No. 20229. [Classes 120(i) and 120(ii)] Pressure regulating means for the drawing-off rollers of combing machines comprise a single spring connected to a pair of levers acting one on each end of the movable roller. The levers may be bell-crank levers 5. with their shorter ends bearing on the brasses 4 of the movable roller, and their longer arms connected by a compression spring contained in a casing 8 pivoted to the lower lever, and acting on a pull-rod 9 pivoted to the upper one. The tension of the spring is adjustable by a screwed cap 15. The pressure as between the two ends of the roller may be adjusted by varying the lengths of the arms of the bell-crank levers by means of the screws 18.
Patent GB-1467674-A (GB)
Title: Apparatus for protecting a circuit of an electrical apparatus  against earth leakage
IPC: H02H3/17
Filed: 1974-05-08
Abstract: 1467674 Protective arrangements BBC BROWN BOVERI & CO Ltd 8 May 1974 [10 May 1973] 20247/74 Heading H2K A circuit for protecting the rotor circuit of an electrical machine against earth leakage comprises a bridge circuit 4 having at least two capacitive branches (C1 + C2) and C3, respectively, the connecting point between Cl and C2 being connected to the excitation winding 1 of the electrical machine and the connecting point between C2 in one branch and C3 in the adjacent branch being earthed, the diagonal including this earthed point being fed with an auxiliary A.C. voltage U H  and the other bridge diagonal being connected via a transformer 12 and an amplifier 5 to a trigger circuit 7, a cut out 9 and an alarm 8. The bridge is balanced under normal working conditions and there is no output from it, but when an earth fault occurs in the excitation winding the partial resistance of this winding is connected across the capacitor C2 to unbalance the bridge and an output voltage U X , due to the auxiliary voltage U H , is fed via the amplifier 5 to a trigger circuit which, if the output voltage exceeds a threshold, operates the cut out 9 and alarm 8. A three-phase version of this circuit is described, Fig. 4 (not shown), wherein one of the capacitive branches of the bridge itself forms a sub-bridge to increase insensitivity to disturbance voltages. In a further embodiment, Fig. 3 (not shown), the two series capacitors (C1 + C2) in one branch of the bridge are replaced by a single capacitor and the parasitic capacitance between the bridge and rotor circuits, this parasitic capacitance being more or less short-circuited under fault conditions to unbalance the bridge.
Patent GB-259345-A (GB)
Title: Improvements in and relating to the rollers and shafts of drawing frames for textilefibres
IPC: D01H5/22
Filed: 1925-08-13
Abstract: 259,345. Ter Weele, F. Aug. 13, 1925. Rollers and roller heads.-The upper rollers of the feed and some or all of the drawing rollers are set back towards the feed end of the apparatus relatively to their co-acting lower rollers, so that the planes through the axes of each pair are inclined to the general direction of feed through the system, and small auxiliary rollers are arranged to coact with the lower rollers and are set forward with regard to the axes of the lower rollers. In the arrangement shown in Fig. 1 the upper rollers A<1>, B<1> of the feed and drawing roller pairs are set back, the upper delivery roller C' being arranged normally. The auxiliary rollers D are smooth surfaced and may be e.g. of iron ; they serve to guide the sliver or the like from the fluted rollers B to the next nipping point. The rollers of a ring spinning frame may be similarly arranged.
Patent GB-669517-A (GB)
Title: Wave guide assemblies
IPC: H01P5/18
Filed: 1946-08-29
Abstract: 669,517. Wave-guides. WATSON, W. H., and GUPTILL, E. W. Aug. 29, 1946 [Sept. 19, 1945], No. 20373/50. Divided out of 669,463. Class 40 (viii). A wave-guide coupling arrangement for completely transferring the energy travelling in a feeder guide A to an auxiliary guide B comprises a pair of slots 91, 92 common to the two guides and lying in the same transverse plane with respect thereto. The slots are respectively shuntcoupled and series-coupled to both guides in identical aspect, that is, they behave respectively in each guide as a shunt or a series impedance inserted into the guide. By arranging that a considerable part of the wall of one guide adjoining the other guide is cut away a feeder guide of adjustable length may be provided. Such an arrangement would have particular application for effecting adjustment of two-dimensional slot-aerial arrays of the kind described in the parent Specification (see Group XL (c)). Specification 669,516 is referred to.
Patent GB-1333496-A (GB)
Title: Ground effect machine
IPC: B60V1/16
Filed: 1971-04-19
Abstract: 1333496 Ground effect machines BERTIN & CIE 19 April 1971 [26 Jan 1970] 20384/71 Heading B7K A ground effect machine has a frame 1 supportable for movement along a support surface 4 by the interposition therebetween of a pressurized fluid cushion, the front (with respect to the direction of motion of the machine) of which, is defined by an adjustable front wall 3, dynamic pressure sensitive means (distinct from the front wall) responsive to dynamic air pressure due to the speed of the machine, being arranged to urge the front wall 3 relatively towards the frame 1 upon increase of dynamic pressure, and vice versa. In Fig. 6, the wall 3 is the front wall of a rear cushion 15 and a forwardly facing inlet orifice 21 collects air to inflate via a tube 20 the space between two flexible, inextensible diaphragms 18, 19 hermetically sealed round their periphery to form the dynamic pressure sensitive means. The upper edges of the diaphragms are connected to the frame and the lower edges are connected to edge line 17 of the dihedron shaped wall 3 which is moved up or down by inflation or deflation of the diaphragms. Where the wall 3 is the front wall of a front cushion, Fig. 2, (not shown), a single flexible inextensible diaphragm (6) is connected to the frame and the front edge of the wall in place of the diaphragms 18, 19. The single diaphragm (6) is exposed to dynamic pressure and bows to move the wall 3. In Fig. 4, a similar single inextensible diaphragm 6 is connected to the frame 1 and the front wall 3. An expansion chamber 11 receives pressurized air through an orifice 5 and delivers it to the cushions 2 through pressure reducers 22, and to a chamber 27 through orifices 28. The chamber 27 is formed with a rigid suspension plate 10 pivoted at 0 and carrying the wall 3, and with a membrane 26 connected to the frame and the plate 10. In a further embodiment, Fig. 7, (not shown), the wall is formed with a nozzle 30 at its bottom edge from which issues a fluid curtain, the pressure sensitive means being a single flexible inextensible diaphragm.
Patent GB-1345608-A (GB)
Title: Production of polyamides
IPC: C08G73/10
Filed: 1971-04-19
Abstract: 1345608 Polyamide acids; polyimides DYNAMIT NOBEL AG 19 April 1971 [31 Jan 1970] 20414/71 Heading C3R Polyamide acids having repeating units are made by dispersing diamine(s) and tetracarboxylic acid dianhydride(s) in an organic solvent (S 1 ) which does not form a chargetransfer complex with a tetracarboxylic acid, and adding to the dispersion with vigorous stirring, continuously or batchwise, under anhydrous conditions up to 60 C., a polar organic solvent (S 2 ) which does not contain groups which react with the anhydride or diamine. The dianhydride is and the diamine is H 2 N-R<SP>1</SP>-NH 2  or where R and R<SP>1</SP> are aromatic, aliphatic, cycloaliphatic, or heterocyclic, and R<SP>11</SP> is alkylene, not more than 2 carbonyl groups being attached to the same C atom of R, and not more than 2 amino groups being attached to the same C atom of R<SP>1</SP> or R<SP>11</SP>. R may be derived from benzene, napththalene, dichloronaphthalene, phenanthrene, diphenyl, ethylene, bis (dicarboxylphenyl)-propane, -ether, or -sulphone, decahydronaphthalene, or cyclopentane. R<SP>1</SP> may be derived from benzene, diphenylmethane, diphenylpropane, diphenylsulphone, diphenylether, diphenyl, xylene, naphthalene, hexane or its higher homologues, or alkyl or alkoxy substitution products of the aforesaid compounds, or cyclohexane. The reactants may be used in equimolar quantities, or one reactant up to 5% in excess. Solvent (S 2 ) may be a hydrocarbon and (S 2 ) may be an N-dialkylated amide of a C 1-3  carboxylic acid, a sulphoxide, a sulphone, pyridine, or N-methyl-2-pyrrolidone. Polyimides may be formed from the polyamide acid by known methods.