baber/WOPTO huggingface dataset:
Patent GB-1436500-A (GB)
Title: Cationic azo dyestuffs
IPC: C09B43/00
Filed: 1974-08-27
Abstract: 1436500 Cationic azo dyestuffs derived from 2-amino benzothiazoles MONTEDISON SpA 27 Aug 1974 [29 Aug 1973] 37408/74 Heading C4P Novel dyestuffs of the formula (wherein R is H, halogen, C 1-4  alkyl or C 1-4  alkoxy; R 1  is C 1-4  alkyl or aralkyl; R 2  is H, halogen or C 1-4  alkyl; R 3  is C 1-4  alkyl, hydroxyalkyl, alkoxyalkyl, acyloxyalkyl, halo-alkyl, cyano-alkyl or aralkyl, R 4 <SP>+</SP> is a quaternary nitrogen group;- and X- is an anion) are prepared by coupling a diazotized 2-aminobenzothiazole with an amine of the formula and then quaternizing the nitrogen atom in the thiazole ring of the resulting dyestuff with an alkylating agent. Suitable quaternary nitrogen groups include In an alternative procedure the diazotized 2- aminobenzthiazole is coupled with an amine of the formula and the product is condensed with a tertiary amine to give the dyestuffs to be quaternized in the thiazole ring as above. The novel dyestuffs are suitable for the dyeing and printing of cellulosic fibres mordanted with tannin of leather and of synthetic fibres including cellulose acetate fibres, acid-modified polyester fibres, fibres based on vinylidene polycyanide and fibres based on acrylonitrile polymers and copolymers.
Patent GB-374329-A (GB)
Abstract: 374,329. Wood-moulding machines. LANG, L., Skrecon bei Oderberg, Czecho- Slovakia. Aug. 12, 1931, No. 22825. [Class 145 (i).] Furniture legs, columns, or other profiled parts are cut by a multiple cutter block built up of a set of holders 5 adjustable on a tube 9 and each carrying a suitably profiled blade 13 mounted by means of a slot 11 in the inclined end of the holder.
Patent GB-905262-A (GB)
Title: Improvements in or relating to structures having annular gas flow passages therein
Inventor: MORLEY FREDERICK WILLIAM WATTO
IPC: F04D27/02
Filed: 1958-11-21
Abstract: 905,262. Axial-flow compressors; gas turbine plant. ROLLS-ROYCE Ltd. Oct. 19, 1959 [Nov. 21, 1958], No. 37633/58. Classes 110 (1) and 110 (3). In a structure comprising an annular gasflow passage bounded by inner and outer walls between which extends a ring of struts, each strut comprises a radially-inner portion secured to the inner wall and a radially-outer portion secured to the outer wall, the two portions meeting in surfaces extending substantially parallel to the passage axis and being bolted together with the surfaces in abutment. A gas-turbine engine comprises a compressor 10 supplying air to combustion equipment 12 by way of a diffuser 13. Struts extending between the inner and outer walls 14, 15 of the diffuser each comprise flanged castings 16, 17 let into correspondingly-shaped holes in the inner and outer walls 14, 15 and welded thereto at 16b, 17b respectively. A hollow intermediate casting 18 is welded to the casting 17 (or may be formed integral with it). Sheet metal fairings 19, 20 are afterwards welded to the respective walls 14, 15 with lugs 19b, 20b overlapping respective lugs 16e, 18# on the castings 16, 18 and welded thereto. The walls 14, 15 are then brought into position with the castings 16, 18 abutting at a surface parallel to the engine axis and are secured together by bolts 21. There is a gap 29 between the fairings 19, 20. Air for de-icing or cabin pressurization is bled from the diffuser 13 through holes 22 into the struts and thence through holes 23 into an annular manifold 24. At its downstream end, the manifold 24 is supported partly by radial flanges 25 on the castings 17 and partly by arcuate T-section strips 26 welded to the wall 15 between the flanges 25
Patent GB-871667-A (GB)
Title: Improvements in the deoxidation of iron and steel
Inventor: MORGAN HUGH MYLLON
IPC: C21C7/06
Filed: 1958-11-24
Abstract: A tablet for the deoxidation of molten steel or iron consists of aluminium or aluminium swarf, a fluoride, and 0.5 to 6.0% copper. The fluoride, e.g. eryolite, may be present in an amount between 2 and 30% and 1.5 lbs. of the mixture may be added per ton of molten metal.  Specification 542,921 is referred to.
Patent GB-342456-A (GB)
Title: Safety cutter for suet and vegetables
IPC: A47J43/25
Filed: 1929-12-10
Abstract: 342,456. Cutting vegetables etc.; giraters. GRIMSEY, A., Moulsham, Bourne Road, Colchester. Dec. 10, 1929, Nos. 37913/29, 38106/29, 38238/29 and 5895/30. [Class 5 (i).] A scraping-cutter of the kind in which a box or troughlike member is reciprocated over a tinplate surface a formed with perforations d arranged in staggered order to form the cutting edges, has the box provided with a hinged lid m adapted to be engaged and depressed by the fingers of the hand gripping the box to feed the material in the box to the cutting surface. A guard p is provided at the back of the box to protect the thumb from the cutting surface. The sides of the box at their lower ends are bent into channel form to fit over the sides of the cutting plate which is stiffened by a bar b formed into a handle c. The cutter may be supported by a hinged folding stand r, s. In a modification the box may have a curved back. The box may be fitted on an ordinary tinplate cutter or grater stiffening rods in this case being provided from side to side of the box below the cutter.
Patent GB-881599-A (GB)
Title: Stripping device for bobbins
IPC: B65H73/00
Filed: 1959-11-09
Abstract: 881,599. Stripping waste from bobbins. ROHL, G. Nov. 9, 1959 [July 30, 1959], No. 37919/59. Addition to 865,063. Class 120(3) In a device for stripping a bobbin or pirn 2 according to the parent Specification, each endless chain 4 is provided on its outer circumference with an endless band 27 of flexible material, e.g. synthetic plastic, from which first and second stripping members 28 and 29 project and which prevents yarn entangling with and blocking the chain. The band may comprise integral projections by which it is driven by the chain, Figs. 2-4 (not shown). The stripping member may be integral with the band and project to the working side thereof or they may be secured on the chain and project through recesses in the band, Fig. 4 (not shown). The chains, together with guide rails 9 and their supports 13, may be adjusted to vary the distance between facing parts of the chains according to the diameter and/or contour of the bobbin being stripped: as shown, the chains &c. may be turned, between guide limits, about chainwheel shafts 17 and secured in the adjusted position.
Patent GB-1092060-A (GB)
Title: Improvements relating to door pull devices
Inventor: SHAW HARRY
IPC: E05B17/18
Filed: 1965-09-07
Abstract: 1,092,060. Door furniture. JOSEPH GILLOTT & SONS Ltd. June 16, 1966 [Sept. 7, 1965], No. 38093/65. Heading E2A. A door pull device comprises an open frame which is adapted to be secured to a door over a key operated latch or lock, the frame carrying a flap 2 which forms a front cover plate and finger grip and which is pivotally mounted so as to open outwardly to give access, through the frame, to the key aperture of the underlying latch or lock, and wherein spring means 18 is provided to bias the flap into a closed position. The flap is provided at its upper part with trunnions (not shown) which engage bearing recesses (not shown) formed in the interior faces of the frame side walls 7, the recesses being in the form of slots which are open at the rear but closed at the front, the trunnions being retained in place by a bar 3 which is sprung in place past shallow lips (not shown) provided by the frame, alternatively the bar is secured in place by adhesive. The spring 18 is a block spring and is fitted in front of the bar 3 between the bar and the trunnions; its middle portion bears on a shallow lug 19 at the middle of the top edge of the flap 2 to retain the flap in the closed position. When the flap is fully raised the lug 19 is just below or is level with the axis of the flap so that the spring acts upon the flap in order to hold it open. The lower end portion 12 of the flap is turned outwardly and the flap is provided with a series of horizontal ribs 13 formed on the interior surface for use in handling. The frame is provided with apertured bosses 8 for receiving fixing screws to enable it to be fixed to the outside of the door over the usual escutcheon plate of a night latch.
Patent GB-375269-A (GB)
Title: Improvements in and relating to regulators for electric circuits
IPC: H02P9/24
Filed: 1930-12-17
Abstract: 375,269. Automatic regulation. BRITISH-THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.- (Assignees of Winter, F. H. ; 43, Linden Street, Schenectady, New York, U.S.A.) Dec. 17, 1930, No. 38099. Convention date, Dec. 19, 1929. Void [Published under Sect. 91 of the Acts]. [Class 38 (iv).] Electrical regulators having a main operating coil 14 energized from a main A.C. circuit 1 are provided with capacity 15 in series with the coil to adjust the power factor of the coil circuit approximately to unity, so that the undercompounding effect, which occurs particularly with high frequency circuits such as supply induction furnaces, may be eliminated. A light over-compounding may be similarly obtained. A resistance 17 in shunt to the capacity increases the range of power factor adjustment.
Patent GB-885446-A (GB)
Title: Combustion chamber resistant to high temperatures
IPC: F02K9/34
Filed: 1957-12-12
Abstract: Thermo-setting organic synthetic resins mixed, together with asbestos fibres are used to make heat-resistant liners for rocket motors. Ureaformaldehyde resins and amino-triazine-aldehyde resins, e.g. melamine-formaldehyde and furfuryl alcohol resins, furfuryl alcohol formaldehyde resins and furfuryl alcohol furfural resins, may be used.  Epoxy resins may also be employed.  Triallyl cyanurate resins, diethylene glycol bisallyl carbonate resins and diallyl phthalate resins may also be used as well as polyester resins.  The polyester can be made from glycols and unsaturated dibasic acids of which examples are given.  As the monomer component of the polyester resins styrene or the vinyl toluenes may be used.  A styrene modified condensation product of propylene glycol with a mixture of phthalic anhydride, and maleic anhydride is given as an example of such a polyester resin.  There may be present in the polyester mix other monomers such as various substituted styrenes, allyl esters, methyl methacrylate or vinyl acetate.  Specification 681,001 and U.S.A. Specification 2,528,417 are referred to.
Patent GB-369605-A (GB)
Title: Improvements in grids or plates for electric accumulators
IPC: H01M4/74
Filed: 1930-12-22
Abstract: 369,605. Galvanic batteries. WILLIAMS, E. T., 5, Meadway Close, Golders Green, SALMON, H. and EXPANDED METAL CO., Ltd., Burwood House, Caxton Street, both in London. Dec. 22, 1930, No. 38609. Drawings to Specification. [Class 53.] Electrodes.-An accumulator grid is made of sheet metal having parallel slits staggered in adjacent rows, the metal between the slits being slightly bowed out from the plane of the sheet. The grids may be made by passing sheet metal between slitting rollers such as are used in the manufacture of expanded metal, the slitted metal as it comes from the rollers, and before expanding, being used as the grids. The grids may be made of lead and may be pasted or not, and the Provisional Specification states that they may be made of nickel for use in alkaline accumulators and other batteries. They may be supported in frames, the sides of which are U-shape and parts of the grids may be left unslitted for strengthening purposes, these unslitted portions being formed by suitably grooving the rollers. Specification 324,022, [Class 53, Galvanic batteries], is referred to.
Patent GB-1026905-A (GB)
Title: Fluid sampling device
Inventor: STRUCK CHARLES RAYMOND
IPC: G01N1/20
Filed: 1964-09-22
Abstract: 1,026,905. Delivering measured quantities of liquid; sampling liquids. TRUE-CUT PRODUCTS Inc. Sept. 22, 1964, No. 38634/64. Heading B8N. A liquid sampling device for withdrawing samples from a flow line 14 comprises a cup member 120 mounted in a sleeve 100 connected to a delivery tube 50, radial and longitudinal ports 112, 142 and 106, 146 being provided in the sleeve and cup in order that, upon relative rotation between them, the ports are brought sequentially into communication so that, in one angular position of the cup and sleeve, a piston 116, which has been retracted by cam means 114, may expel liquid in the cup through the delivery tube. The sleeve 100 is provided with a liner 102 and seat member of polytetrafluoroethylene for co-operation with the cup member 120, which is prevented from rotation by means of a pin 126 engaging with grooves 130 formed in a cage 32 arranged to project into the flow line 14. The piston is slidable in the cup member and is provided with a pin 150 which passes through slots 154 in the cup member to prevent relative rotation therebetween and is adapted to engage with a cam surface 114 formed on the end face of the sleeve and liner. In operation, a motor M is energized to rotate the sleeve so that the cam 114 moves the piston to the position shown in Fig. 5, and thereby allows liquid passing through the flow line 14 to flow via openings 96 in the cage 32, and ports 112, 142 into a space 164 in the cup. Continued rotation of the sleeve then moves the radial ports 112, 140, 142 out of register until the longitudinal port 106 aligns with the port 146 so as to permit the liquid in the space 164 to be forced by the pressure of liquid acting on the rear side of the piston, through the delivery tube 50, port 56 and tube 62, into a sample container 64. In a modification, the sleeve is maintained stationary and the cup and piston rotated by the motor.
Patent GB-330873-A (GB)
Title: Improvements in and relating to power-actuated throttle valves
IPC: F16K31/524
Filed: 1929-12-17
Abstract: 330,873. Fabrik Elektr. Apparate Fr. Sauter Akt.-Ges. Dec. 27, 1928, [Convention date]. Electrically-actuated valves. -A throttle valve actuated by a reversible electric motor 1 has the motor arranged to act through a snail cam 9 co-operating with a lever 11. The lever is loaded by a spring 13 and is coupled by a link 20 to an arm 19 on the spindle of a butterfly valve 15. The cam may be shaped so that the valve is opened in proportion to the angle of rotation. The lever 11 and link 20 may be dispensed with, the arm 19 bearing directly on the cam. In addition to a hand controlled switch, a reversing switch may be arranged to be actuated by the motor at the end of its movement so as to prepare the device for the next actuation.
Patent GB-841766-A (GB)
Title: Improvements relating to writing instruments
IPC: B43K25/02
Filed: 1956-12-19
Abstract: 841,766. Writing instruments. OSMOND Ltd., E., and ZANG, C. Dec. 19, 1957 [Dec. 19, 1956], No. 38737/56. Class 146(3). [Also in Group XXV] In a writing instrument e.g. e retractable ball point pen, having a barrel to which a pocket clip 2 is pivotally connected, the clip has two side members 3 extending into the barrel through an aperture in the wall thereof with the lower end portions of the side members i.e. the end portions nearer to the writing end of the instrument, in engagement with the lower edge of the aperture to provide a fulcrum on which the clip can pivot, and a spring 5 fitted to the inside of the barrel bears on the underside of two abutments 10 near the top of the side members 3 and urges the top of the clip outwardly of the barrel. The members 3 have slots 4 formed in their lower edges to receive the lower edge of the aperture in the barrel. The spring 5 is fastened inside the barrel by a projection 7 which engages in a slot in the barrel, and extends to the rear end of the clip 2 between side members 3. Two sideways extending projections 8 on the spring 5 engage beneath the abutments 10 which have extensions 14 to limit outward movement of the clip. The spring has two further projections 12 which engage the front wall of the clip and is biased so as to urge the upper part of the clip outwards of the barrel. The pen barrel may contain projecting and retracting mechanism of the type described in the Specification 841,767, in which case inward rocking of the rear end of the clip 2 serves to disengage a latching detent 17 from a lip formed at the rear end of the barrel aperture and allow retraction of the writing unit.
Patent GB-888445-A (GB)
Title: Filling and emptying tanks
IPC: B64F1/28
Filed: 1959-11-16
Abstract: 888,445. Emptying and filling tanks. MULLER, J. Nov. 16, 1959 [Nov. 19, 1958], No. 38771/59. Addition to 787,530. Class 21. The tank of the parent Specification has the cut-off device 178 in a second pipe 172 entering the tank, the pipe being an inlet pipe adapted to discharge liquid laterally at 177 near the bottom of the tank, and the movable pipe 182, pivoted to a fixed pipe 180 as in the parent Specification provides an outlet passage from the tank and is moved by a float 184 to bring about the opening or closing of the cut-off device 178 when the pipe reaches predetermined high or low positions respectively in the tank. The filling pipe 172 vertically traverses the tank and is closed at 176, lateral apertures 177 being provided to discharge the liquid, and the cut-off device 178 is in the form of a partrotary valve spring urged to its open and closed positions. The emptying pipe 180, also traversing the pipe vertically comprises at its lower end a pivoting joint 181 for the movable pipe 182 which has an orifice 183 at its free end through which the liquid may be drawn off. A float 184 is pivoted at the free end of the pipe 182 and an abutment 186 is provided to keep the orifice above the level of the zone containing water and impurities. A ball 201 in the joint 181 acts as a non-return valve. A rod 187 connects arm 182 to a sliding rod 188 parallel to pipe 172. On the sliding rod are adjustable dogs 189 and 190 which actuate the lever 191 of the valve 178. Rod 188 moves a rack and pinion to operate a device for indicating the level of the liquid in the tank. A third pipe 197 in the tank is bent at right angles and a part 198 which lies at the bottom of the tank is provided with holes 199 to withdraw impurities from the tank. A ventilating tube is provided in the tank. All the pipes extend through the manhole 174 and are borne by its lid 173.
Patent GB-856176-A (GB)
Title: Improvements in and relating to hand-operated nibbling machines
IPC: B23D27/02
Filed: 1958-12-04
Abstract: 856,176. Cutting shaped holes in plates. TRUMPF, C. Dec. 4, 1958 [July 18, 1958], No. 39076/58. Class 83 (4). A portable nibbling-machine comprises a die-holder 28 and a work-stripper 16 on opposite sides of the work 17, the holder or the stripper being mounted on the lower end of a guide-rod 23 which extends through the hollow punch 21. As shown, the holder 28 for die 31 is retained by a nut 29 on the end of rod 23, the upper end of which engages screw-threads in a cross-pin 24 bearing in the housing 10 and passing through a slot 25 in the punch-carrier 15. :Contact between the rod 23 and the work when the punch is raised limits feed. A screwthreaded ring 22 and a pin P secure the punch to the carrier 15, which is reciprocated in a sleeve 14 by an eccentric 11 driven by a motor 13, through gears 12. The stripper 16 engages screw-threads on sleeve 14 and is locked by a screw 18. The rod and punch 23, 21 may be inserted through a start-hole in the work before the die-holder is positioned on the rod. Alternatively, if the die-carrier is permanently fixed to the rod, the rod can be unscrewed from cross-pin 24 to permit insertion of the punch. A screw 26 locks the rod 23 in the cross-pin 24, and a passage 32 permits the escape of chips. In a modification for cutting on the up-strokes (Fig. 3, not shown), the die-holder is mounted on the sleeve 14 and the stripper on the rod 23.
Patent GB-1048779-A (GB)
Title: Improved rail anchor
IPC: E01B13/02
Filed: 1965-09-14
Abstract: 1,048,779. Rail anchors. JOHN WHILE & SONS PTY. Ltd. Sept. 14, 1965 [Dec. 10, 1964], No. 39226/65. Heading E1G. A rail anchor of flat metal plate is of V-shape with a rail base flange engaging slot in a head on one end of the V and a corresponding step on the other, the head having at least one flat for hammering the anchor in position.
Patent GB-829646-A (GB)
Title: Improvements in respirators, particularly for submarine use
IPC: B63C11/20
Filed: 1956-12-27
Abstract: 829,646. Respiratory apparatus. LUNDGREN, C. E. G., and ARBORELIUS, M. M. Dec. 27, 1956 [Dec. 30, 1955], No. 39302/56. Class 81 (2). In a respirator a diaphragm box into which a demand valve opens carries an exhaust valve, the closing pressure of which is the same as the gas pressure in the diaphragm box. The gas chamber 1 of a demand regulator of submarine breathing apparatus is supplied with gas through a tube 6 leading to a valve 3 which is opened on inhalation by a lung-operated diaphragm 2. Gas passes to a respirator nozzle 9 through a pipe 7. Exhaled air flows through a pipe 8 to an exhaust valve 12 which is in the gas chamber 1 and consists of a soft-walled flattened tube. When the pressure of the expired gas equals the pressure in the gas chamber 1, expired gas passes through exhaust valve 12 and a duck bill valve 14 into the ambient water. In an alternative construction, gas is supplied to a mouthpiece via a bellows 111, Fig. 5, carried on the weaver's back. A duck bill exhaust valve 110 connected with an expiration pipe 7 is located in the bellows but opens into the ambient water. A second exhaust valve 112, closed by a spring and the ambient water pressure, is connected to the expiration tube 117 and is located on the breast of the wearer. A weight 115 on the bellows ensures that the pressure in the bellows is equal to the lung pressure of the wearer in either back or breast position. The closing spring of the second exhaust valve 112 is adjusted so that the total closure pressure is equal to the pressure in the bellows when the wearer is on his back. In use, the duck bill valve 110 operates when the wearer is on his breast and the second exhaust valve 112 operates when the wearer is on his back.
Patent GB-1470610-A (GB)
Title: Hot food vending machine
IPC: G07F9/10
Filed: 1974-09-10
Abstract: 1470610 Dispensing articles HOSHIZAKI ELECTRIC CO Ltd 10 Sept 1974 39384/74 Heading A4T Articles of foodstuff in compartments 20 of a cold storage chamber 12 of a vending machine are discharged by a coin operated discharge means 26 through a conduit 18 to a heating chamber 16 provided with electronic heating means 72 and thermally insulated from the cold storage chamber 12, the articles being received by a container 52 which is then moved into a stationary casing 50 for heating of the article and is then retracted from the casing 50 to discharge the article through the outlet 74 of the vending machine. The discharge means 26 comprises a cylindrical cam 28 having a recess 30 carrying the article past a retaining spring 42 to the conduit 18. A closure flap 46 at the bottom of the conduit opens to direct the article on to the floor of the container 52. A fixed stop 70 in the casing 50 causes the article to be pushed, when the container moves into the casing, into a flap 58 in the floor of the container. This flap opens when the container 52 is retracted.