baber/WOPTO huggingface dataset:
Patent GB-1500036-A (GB)
Title: Reactivation of particulate catalyst masses
IPC: B01J27/28
Filed: 1975-05-23
Abstract: 1500036 Reactivating phosphoric acid catalysts UOP Inc 23 May 1975 [3 June 1974] 22559/75 Heading B1E A particulate olefin polymerisation catalyst comprising a mixture of phosphoric acid and a natural silica material, e.g. kieselguhr, is reactivated after deactivation by deposition of tar-like polymers and carbonised hydrocarbons by (i) ceasing flow of the feed stream, (ii) inundating the entirety of the catalyst bed with a liquid hydrocarbon mixture boiling at 40-230C and containing 15-85% wt. aromatic hydrocarbons at a temperature 90-260C and a pressure of 8-20 atm. cb. within the reaction zone, to dissolve at least a portion of the tar; (iii) withdrawing the liquid hydrocarbon liquid; (iv) repeating steps (ii) and (iii) at least once; and (iv) restarting feed flow.
Patent GB-531858-A (GB)
Title: Means for attaching a hose pipe to a tap
IPC: F16L37/48
Filed: 1939-08-04
Abstract: 531,858. Hose couplings. BENTON & STONE, Ltd., and MILNER, C. E. Aug. 4, 1939, No. 22627. [Class 99 (i)] A device for coupling a hose to a tap comprises a stirrup having sheet metal side members a, a foot c, a socket c<SP>1</SP> secured to the hose, and a bridge-piece o carrying a clamping screw p. The socket carries a gasket g and engages a nipple h which is secured in the hose by a clamping ring j of the deformable claw type.
Patent GB-840348-A (GB)
Title: Improvements in or relating to synthetic resin compositions for potting and encapsulating electric components and assemblies
IPC: C08L63/00
Filed: 1957-07-17
Abstract: An unsaturated polyester or an ethoxyline resin casting contains a powdered thermoset aminoplastic resin filler in an amount of 20-60% by weight of the polyester or ethoxyline resin. Specified aminoplasts are urea- and melamine-formaldehyde resins. The preferred embodiment is to use as casting resin a mixture of two resins, one of which would give on its own a rigid casting, the other of which would give a flexible casting.  In examples the following ingredients are disclosed: (1) a mixture of proprietary unsaturated polyesters, one rigid and one flexible, styrene, a sieved urea-formaldehyde resin filler, methyl ethyl ketone peroxide, and cobalt naphthenate; (2) a mixture of a proprietary ethoxyline resin (rigid) with a proprietary polysulphide resin (flexible), triethylene tetramine, and a sieved melamine-formaldehyde filler.  Optional ingredients include alumina, glass and mica.  Ethoxyline resins are defined, and are in effect polyglycidyl ethers of polyhydric phenols. Diethylamine is mentioned as an alternative hardener for the ethoxyline resins.  Use.-Potting and encapsulating electrical components and assemblies.
Patent GB-353257-A (GB)
Title: Improvements in gangways for loading and unloading ships
IPC: E01D15/24
Filed: 1930-07-28
Abstract: 353,257. Landing gangways. ROIE, F. VAN, Avenue du ChÔteau, Bornhem, BOGAERTS, J., 8, Boulevard Clovis, Brussels, and HEYLEN, A., 58, Rue du CongrÞs, Antwerp, all in Belgium. July 28, 1930, No. 22699. [Class 113 (i).] A gangway 1 designed for loading and unloading ships is supported adjacent the ship by a compartmented pontoon 2 to which it is connected by a universal joint. A similar pontoon 3 supports the other end of the gangway which if desired, may be supported intermediate its ends by other pontoons. In an alternative construction, the gangway is supported by a hollow structure pivoted to the quay and may be arranged to slide inside a container.
Patent GB-149975-A (GB)
Title: Synchronous motor for polyphase current
IPC: H02P1/50
Filed: 1920-07-30
Abstract: 149,975. Maschinenfabrik Oerlikon. Aug. 26, 1919, [Convention date]. Exciting.-In a synchronous motor 3 which is started up as an induction motor with a non-inductive starting resistance 6 in the rotor circuit and with a source of continuous current 8 in series with one phase of the rotor winding, that part 3<a> of the rotor winding which carries the full continuous current has a larger cross-section than the other parts of the winding. The source of continuous current consists of a dynamo with an exciting shunt field winding 10 and a series compensating winding 9. The Specification as open to inspection under Sect. 91 (3) (a) states that the machine 8 may serve as an alternating current series motor to assist in starting. This subject-matter does not appear in the Specification as accepted.
Patent GB-603084-A (GB)
Title: Improvements in and relating to shuttering for concrete and reinforced concrete structures
IPC: E04G11/12
Filed: 1944-11-17
Abstract: 603,084. Casting concrete &c. structures in situ. McKEAN, J. L., and RICHARDS, G. Nov. 17, 1944, No. 22842. [Class 20(ii)] Shuttering for casting concrete and reinforced concrete structures, comprises panels, uprights and horizontal members made by'cold rolling strip steel, the panels being of channel section with inturned flange edges and being supported in shuttering position by clamps engaging the inturned flange edges and passing through slots in spaced uprights, means being provided for tensioning the clamps at any desired location along the slots of the uprights. The uprights may consist of four angle irons 6, Fig. 11, assembled to form a member of rectangular section with open sides by channel members 7 secured to the angle irons by welded cleats 8, the shuttering panels 1, which have flanges 2 with beaded edges 3, being secured to the uprights by double or single metal loops 9, 9 having hooked ends 13 engaging within the beaded edges of the panels and tightened by tapered rods 12 driven through the loop projection through the opposite face of the upright. The panels are stiffened by transverse welded angle bars 4. Internal corners are formed by box members 13<2>, Fig. 12, with out-turned flanges 15 secured to angle strips 14, the panels bearing on the flanges 15. External corners are formed by strips 17, Fig. 13, with bevelled edges 17<1> and bolts 19 which project between meeting panels, the strip being secured by a yoke 18 and nut 20. The framing for the panel shuttering is built of uprights and similarhorizontal members bolted together and braced. Strips 21, Fig: 14, and chamfer boards 24 to form recesses &c. on the face of the structure may be fitted, the strip 21 being of open box section and being secured to adjacent panels by a plate bearing on the inside of the flanges of the open side and having a lug 23 projecting between the panel flanges and clamped by a tapered cottar 12<1>. The panels may be in two widths e.g. 9 in. and 12 in..and filler strips of wood may be used to complete shuttering of odd dimensions.
Patent GB-1302333-A (GB)
IPC: B23B23/00
Filed: 1971-04-19
Abstract: 1302333 Grinding; headstocks TOYODA KOKI KK 19 April 1971 [10 March 1970] 22855/71 Headings B3D and B3T A headstock device for a grinding-machine is usable selectively as a dead-centre drive or live centre drive for the spindle 7 of the machine. The device has a base 1 in which is secured a sleeve 2 carrying bearings 4 for a belt-driven pulley 3 bolted to a transmission member 6. The spindle 7 is rotatably supported by bearings 14a, 14b, 15a, 15b in the sleeve and at its outer end receives a centre 8. A notch 7a is formed in the spindle and houses a pawl 9 which is movable about a pivot 10 from the position shown when the device is used as a dead centre drive to a position engaging a notch 6a in the transmission member 6 when the device is used as a live centre drive. During dead centre driving, a dog is fixed to a face-plate 11 for driving the workpiece and a seal 12 is mounted at the end of the spindle. During live centre driving, the faceplate is replaced by a chuck (13, Fig. 2, not shown). The bearings 14a, 14b, 15a, 15b are preloaded by a spring 16 adjusted by a nut 18. The preload on the bearings is increased for dead centre drive by axial thrust on the spindle 7 being applied by a clamping mechanism. The mechanism has inner and outer clamping members 27, 28 formed with tapered faces 27a, 28a, the outer member being mounted on a screwthread on a member 23 secured to the sleeve 2 and connected to a ring 29 having a handle 35, and the inner member being connected to the end of the spindle. When the ring 29 is rotated to cause the tapered faces to engage, the spindle acts through a shoulder 7b to apply the axial thrust to the preloaded bearings to increase the stiffness of the bearings when the spindle does not rotate during dead centre driving. When the tapered surfaces are disengaged, the bearings are only bonded by the spring 16 during rotation of the spindle for line centre driving. The disengaging of the tapered surfaces is effected automatically when the spindle is rotated after retraction of the latch 9 into the notch 7a.
Patent GB-185118-A (GB)
Title: Improvements in or relating to endless track vehicles
IPC: B62D55/108
Filed: 1922-08-22
Abstract: 185,118. Kegresse, A. Aug. 23, 1921, [Convention date]. Addition to 168,331. Endless-track vehicles.- The roller-carrying plungers 6 are inclined and are protected by tubes 26, 27 between which is placed a cylindrical protective sheath 28 of leather or other flexible material. One end of the sheath is secured to the tube 26 so that it moves with the latter inside the tube 27. The Specification, as open to inspection under Sect. 91 (3) (a) comprises also the following subject-matter. The member 8 carrying the idler pulley P is pivoted at 7 to the control beam 4 and bears against a stop 9. On each end of the axle 1<11>. Fig. 4, (Cancelled), of the pulley P is mounted a gear 2<11> meshing with a gear 3<11> formed integrally with a nut 4<11> mounted on a screw 5<11> non-rotatably mounted in ears 7<11> depending from the member 8. The tension of the track is adjusted by rotating the axle 1<11> by a crank. The rollers 1<1>, Fig. 2, (Cancelled), are mounted on hollow plungers 2<1> containing springs 3<1> which bear against members 4<1> pivoted centrally to the ends of a member 5<1> which is pivotally mounted in the hollow central beam 7'. This subject-matter does not appear in the Specification as accepted. Specification 168,331 is referred to.
Patent GB-207260-A (GB)
Title: Improvements in and relating to drills
IPC: E21B17/04
Filed: 1922-08-22
Abstract: 207,260. Withers, J. S., (McCormick Drilling Tool Co.). Aug. 22, 1922. Percussive drills. - In a drill of the kind in which cutters are secured in radial slots 2 at the end of the drill shank 1 by a collar 9 having a threaded engagement with the shank, the shanks 6 of the cutter 5 are formed with mitered intersecting parts 7 to make them self-centring, and the collar 9 is bevelled on the inner side to accommodate cutters of different sizes. The upper end of each cutter shank 6 is formed with an enlargement 6<1> adapted to engage shoulders at the upper end of the corresponding slot 2. The collar 9 is locked against rotation by a wedge 10 engaging a slot 4 in the shank 1. The cutting edges 8 of the cutters 5 are inclined as shown in Fig. 2 so that the two bevelled faces of each cutter head are of unequal size, this formation serving to impart a rotative effect as the tool drops through the sludge.
Patent GB-237133-A (GB)
Title: Improvements in pneumatic tyre pressure gauges
IPC: B60C29/00
Filed: 1924-10-01
Abstract: 237,133. Munro, C. S. Oct. 1, 1924. Pneumatic - tyre pressure gauges elastic - diaphragm pressure gauges.-Comprise a particular construction of the type embodying a stem, a head on the stem provided with a tit, a plunger provided with a. tit in said stem and a rubber tubing and spring connecting the tits. The stem 1 is screwed on the outside along its whole length and is fitted with a head 6 which is screwed on the end of the stem up to a shoulder 7. The inner tube 8 is clamped between the clamp, ing washer 9 and the head by the plate 10 and nut 11. The conical plug 13 in the head is provided with a tit over which is secured by wire 16 one end of the upper tube 15 the other end of which is similarly secured to a tit on the plunger 18. Washers 21 spirally grooved to receive the ends of a spring 22 are mounted on the tits. An absorbent washer 23 is mounted on the tit 20 to keep out dust and water. The plug 13 is secured by pressing over the part 17 of the head. Threaded on the stem 1 is the nut 2 which receives the glass casing 3 the bottom of which rests against a yieldable washer 5.
Patent GB-1391679-A (GB)
Title: Fusedring 1,2-dithiole-3-thione compounds
IPC: C07D339/04
Filed: 1972-05-17
Abstract: 1391679 Heterocyclic sulphur compounds MONSANTO Ltd 19 April 1973 [17 May 1972] 23190/72 Heading C2C Benzo[1,2d; 3,4d; 5,6d]tri - (1,2 - dithiole - 3- thione), and other heterocyclic sulphur compounds containing at least one 1,2-dithiole-3- thione ring fused to a carbocyclic aromatic nucleus are prepared by reacting sulphur with an aromatic halogen compound having a carbocyclic aromatic nucleus containing at least one pair of adjacent functional substituents; one member of the pair being a halogen atom and the other being (i) a group having the formula -C( = Q)R in which Q represents oxygen or sulphur and R represents a hydrogen atom, a mercapto group, a halogen atom or an amino or substituted amino group, or (ii) a group having the formula -CH 2 R<SP>1</SP> in which R<SP>1</SP> represents a halogen atom, a mercapto group, or an amino or substituted amino group. Preferred reaction solvents are N-alkyl-substituted formamide or N-alkyl-substituted acetamide or an alcohol, e.g. C 1  to C 4  alkanol, in the presence of an alkali metal alcoholate. Where the reaction is carried out in an N-alkyl-substituted formamide or acetamide, hydrogen sulphide may be passed continuously into the reaction mixture to minimize the formation of nitrogenous by-products. The preparation of 1,3,5 - tris(dimethylaminomethyl) - 2,4,6- trichloro - benzene used in the preparation of benzo[1,2d; 3,4d; 5,6d]tri - (1,2 - dithiole- 3-thione), is given and comprises reacting 1,3,5- tris(bromomethyl) - 2,4,6 - trichlorobenzene with dimethylamine.
Patent GB-596583-A (GB)
Title: Cable joints and method of forming the same
IPC: H02G15/10
Filed: 1944-11-22
Abstract: 596,583. Cable joints. STANDARD TELEPHONES & CABLES, Ltd. Nov. 22, 1944, No. 23258. Convention date, Jan. 8, 1943. [Class 38 (i)] A Y-joint for cables A, B, each consisting of conducting cores surrounded by insulation and a metal' sheath such as copper braiding with a further copper braiding surrounding both cores and an outer insulating cover 24, is formed by first removing in steps the insulation and braiding from the parts of the cables to be connected as shown at 14, 18, and soldering or otherwise connecting the bared conductors 10, 30. The joints are then covered with insulating material 46 which may be thermoplastic and moulded on to the cable insulation 14. A stiffening member 50 which may be of metal is inserted between the two sets of cables and may be held in place by wire bindings 52 engaging notches 56. The member 50 serves as a conductor to interconnect the metal sheaths of the cables. A copper shield is now placed to cover the entire joint, the shield consisting of two parts 60, 62 soldered together along their opposing edges 64 as shown in Fig. 3. A final covering of insulation is provided either in the form of tape wound over the full length of the shield and passing between the cables B or comprising two insulating members of the same shape as the members 60, 62 and made of the same material as the outer insulation of the cables. These members or the tape are heated and moulded to unite them to the cable insulation. In a modification, in which the conductor 10 is to be connected to the ends of two separate conductors 30, the latter are laid against the conductor 10 and soldered thereto, the joint being covered with a short copper sleeve. The joint is completed as described above.
Patent GB-424497-A (GB)
Title: Improvements in convertible seats or settees
IPC: A47C17/20
Filed: 1933-08-22
Abstract: 424,497. Bed-settees. MARSHALL, J. E. L., Ellerslie House, Sandiacre, Derbyshire. Aug. 22, 1933, No. 23315. [Class 52 (ii)] In a bed-settee of the kind in which the seat-back turns down, the seat slides forward, and the gap between the seat-back and the seat is filled by means of a filling piece, the seat-back A is pivoted at C, the filling piece J is hinged to the lower part of the back, while the seat B is connected to the lower end of the back at about the same point as the filling piece by a system of links H, F, so arranged that when the back is turned down the seat is moved forward, the filling piece raised and the three members are caused to assume the same level when the back is turned down into horizontal position. The seat-back A is extended below the level of the seat B and pivoted on pins C. The rear of the seat B is pivoted to side levers F, the fore ends of which are pivoted to the frame at E<1>, and is supported on these levers. The front of the seat is supported on front legs G provided with runners or castors G<1>. Links H are pivoted to an intermediate point F<1> of the levers F and to a point A<1> near the lower end of the seat back A. Studs F<2> and F<3> limit the motion of the lever F relative to the link H in the closed and open positions respectively. The rear end of the filling piece J is hinged at J<1> to the lower edge of the seatback, while its front part rests on curved guides K secured to the settee frame so that it is raised when the back is turned down. The seat and back are upholstered in the usual manner, while the filling piece is fitted with springs and an overlay N which when opened out extends over the whole surface. A locking bolt L may be provided in the lower edge of the back adapted to engage an opening in the rear of the filling piece J when in extended position and operated by a link L<1> connected to a frame M which forms a head rest and can be turned up when the settee is extended to form a bed.
Patent GB-212195-A (GB)
Title: Improvements in metal framed tennis and similar racquets
IPC: A63B49/12
Filed: 1923-09-18
Abstract: 212,195. Hobbies, Ltd., and Jewson, H. Sept. 18, 1823. Rackets. - A metal-framed tennis or similar racket is fitted with a four-point crescent-shaped girder bar B attached to the frame by rivets b'. The girder is preferably U-shaped in cross-section and embraces four lugs D riveted to the frame. The strings are threaded through the girder bar. and are protected in their passage through the frame, more especially at the head of the racket, by U-shaped tubular metal ferrules E. Specification 210,485 is referred to.
Patent GB-852909-A (GB)
Title: Improvements in electrical coil windings
IPC: H01F27/28
Filed: 1957-07-24
Abstract: 852,909. Transformers. FOSTER TRANSFORMERS Ltd., and JENNINGS, R. E. April 17, 1958 [July 24, 1957], No. 23419/57. Class 38 (2). An electric coil comprises a spiral winding 5 of aluminium or aluminium alloy strip, which has at least one face oxidized, wound on to a split steel former 8 and provided with a layer 7 of heat-resisting material to keep the turns in position. The oxidized coating may be formed by an anodizing process. The layer 7 may be vitreous enamel. The strip may comprise two foils, one of which may be unoxidized, and these two foils may be of different widths or laterally displaced.
Patent GB-296666-A (GB)
Title: Improvements in or relating to alternating current rectiflers of the metal oxide type
IPC: H01L25/07
Filed: 1928-08-14
Abstract: 296,666. Siemens - Schuckertwerke Akt.-Ges. Sept. 3, 1927, [Convention date]. Contacting - solid resistances.-In rectifiers of the copper-copper oxide type, improved cooling is obtained by providing air ducts 4<1> extending transversely of the column of electrodes 1, 1<1>. The airducts mav be formed in the material of the metal electrodes or in separate elements 4 of good heatconducting material such as aluminium interposed between the electrodes with the ducts extending in the direction of the minor axis of the elliptical or rectangular electrode elements.
Patent GB-1305066-A (GB)
IPC: D06P3/82
Filed: 1970-05-14
Abstract: 1305066 Dyeing mixtures of polyester and cellulosic fibres FARBWERKE HOECHST AG 14 May 1970 [14 May 1969] 23472/70 Heading D1B Pre-dyed polyester fibres are blended with cellulose fibres and the mixture further dyed by impregnating with an alkaline solution of a substantive coupling component and a diazoamino or tetrazoamino compound or an antidiazotate derived from a primary aromatic amine and a wetting or dispersing agent and subsequently treating without intermediate drying with an aqueous acid solution at a temperature of 50 to 80C to develop the, azoic dye, the concentration of the acidic solution being kept at a level which ensures neutralisation of the alkali applied in the impregnation process. Preferably the alkaline impregnation is at 30 to 60C and the acid bath may contain an organic acid or an acidic salt, preferably at a pH of 3 to less than 7.
Patent GB-635552-A (GB)
Title: Improvements in or relating to the production of aluminium-ammonium fluoride
IPC: C01F7/54
Filed: 1946-08-08
Abstract: Aluminium ammonium fluoride is produced by treating a fluoboric acid solution successively with aluminium hydroxide and ammonia or a substance yielding it, e.g. ammonium carbonate, bicarbonate or carbamate, the reaction being preferably effected at above 60 DEG  C. to avoid the simultaneous precipitation of boric acid.  The mother liquid may be returned to the dissolution of fluorspar for the formation of the fluoboric acid solution according to the process described in Specification 635,551.  The fluoboric acid solution employed may accordingly contain ammonium sulphate.  The aluminium ammonium fluoride may be converted to aluminium fluoride by thermal decomposition, or by treatment with aluminium oxide whilst expelling ammonia, e.g. as in Specification 635,553.
Patent GB-1530296-A (GB)
Title: Magnetic separators
IPC: B03C1/02
Filed: 1975-05-29
Abstract: 1530296 Magnetic separators ENGLISH CLAYS LOVERING POCHIN & CO Ltd 27 May 1976 [29 May 1975 9 Jan 1976] 23522/75 and 00887/76 Heading B2J Magnetisable particles are removed from a fluid by passing from an inlet 3 to an outlet 4 of a chamber 1 internally divided by partitions such as tubes 5, 7 between which is a porous magnetisable material 6 which, when the chamber is in a magnetic field, e.g. of a superconductive solenoid 9, retains the magnetisable particles which can then be released by withdrawing the chamber from the magnetic field and flushing it with clean fluid, the arrangement of the chamber, the partitions and the material 6 being such that the linear velocity of the fluid decreases as it passes through the chamber, which is said to increase the efficiency of collection of weakly magnetisable particles. Fig. 3 (not shown) illustrates a system in which a connected pair of chambers are reciprocated so that one chamber is magnetised and receives impure fluid while the other is degassed and flushed, these positions being reversed cyclically. The system includes the necessary sequentially operated valves and associated piping and tanks. In Figs. 4 and 5 (not shown), the partitions are in chordal planes of the cylinder with the fluid flowing from the narrower to the broader partitions.