baber/WOPTO huggingface dataset:
Patent GB-310138-A (GB)
Title: An improvement in or relating to packings for stuffing boxes
IPC: F16J15/20
Filed: 1928-02-29
Abstract: 310,138. Cockin, J. Feb. 29, 1928. Cup-leather packing; packing, non-metallic; compound metallic and non-metallic.- A packing unit comprises two opposed U-shaped rings c of cotton. hemp, asbestos &c. treated with rubber, and an interposed ring d of similar material. The ring d is of circular cross-section and makes contact both with the rod a and with the box b. The rings c may be studded with anti-friction metal. Two or more packing units may be employed, the mutually engaging faces of the units being flat, as shown, or formed with interlocking ribs and recesses.
Patent GB-624795-A (GB)
Title: Improvements relating to protective gloves, mitts, boots and shoes for workpeople
IPC: A41D19/00
Filed: 1947-03-07
Abstract: Protective clothing such as gloves comprises a preformed inner layer of absorptive material, e.g. wool or cotton material, to which is applied an outer layer of polyvinyl chloride or similar material by means of a dipping process, during which the material partially impregnates the inner layer.  The inner layer may be a raised fabric and its outer surface may be singed to remove fuzz immediately before dipping.  In an apparatus for carrying out the invention, there are racks on which the formers, which are of the curved finger-and-thumb type, are mounted.  The racks are held by a slide, movable vertically towards and away from the bath containing the polyvinyl chloride compound, by means of worm gears, manual power being sufficient for the descent, but electric power being provided for the ascent.  The gloves are lowered into the bath, which is kept at about 62 DEG  F., quickly, but withdrawn slowly.  The gloves are subsequently cured at a temperature between 350 DEG  and 450 DEG  F., in an oven.  In a modification, when a sufficient degree of penetration is achieved, the glove is withdrawn from the bath and the outer film allowed to become partly set, as by evaporation of plasticizer, and then replaced in the bath to increase the thickness of the outer layer. Alternatively, curing may take place between successive dippings.ALSO:A polyvinyl chloride paste, used for impregnating protective clothing, may be diluted with either tricresyl phosphate, tri-xenyl phosphate, or both, to which dyes, mixed with tricresyl phosphate, are added.
Patent GB-747490-A (GB)
Title: Improvements in or relating to the preparation of quaternary ammonium compounds
Inventor: ADAMSON DONALD WALLACE
IPC: C07D295/084
Filed: 1953-03-09
Abstract: A process for preparing compounds of the general formula <FORM:0747490/IV(a)/1> in which R1 and R2 are the same or different and are alkyl groups having from one to three carbon atoms or together with the N-atom form a pyrrolidino or piperidino group, R3 is an alkyl group having from one to three carbon atoms and X is an anion, comprises subjecting the corresponding diphenyl compound to partial catalytic hydrogenation, stopping the reaction when a small excess over 3 mols. of hydrogen are absorbed and isolating the compound so formed.  The anion X may be a chloride, bromide, iodide or alkyl sulphate ion.  Platinum is a suitable catalyst. Only minor amounts of dicyclohexyl compound are formed and only minor amounts of the diphenyl compound remain.  Examples describe the preparation of (1) N-methyl-3-cyclohexyl - 3 - hydroxy - 3 - phenylpropylpyrrolidinium chloride; (2) the corresponding bromide; (4) the analogous piperidinium bromide; and (3) N:N-diethyl-N-methyl-N(3 - cyclohexyl - 3 - hydroxy - 3 - phenylpropyl) ammonium chloride by hydrogenation of the corresponding diphenyl derivatives.
Patent GB-773097-A (GB)
Title: Improvements in or relating to cup forming machine
Inventor: THIEM EUGENE THEODORE
IPC: B31B3/00
Filed: 1955-03-04
Abstract: 773,097. Conical cup forming machines. CONTINENTAL CAN CO., Inc. March 4, 1955 No. 6435/55. Class 94(2). A machine for producing conical cups comprises a series of rotatable formers on a rotating head for carrying them past cup forming devices, the formers receiving a blank at one station and rotating to wrap it to conical form in passage to a second station where the longitudinal seam is sealed, an apex fold being formed at a third station and a beaded rim at a fourth. The mandrels rotate between all stations. Each blank B, Figs. 4, 1a, is fed into the machine with one edge engaged in a groove 50 in a mandrel 30 at station 1. The edge is gripped by fingers 54 within the mandrel and the mandrel moves to station 2 rotating to wind the blank held against it by a gravity operated presser shoe 146. At station 2, a heated spring-loaded shoe 174 seals the longitudinal seam. Between stations 2 and 3, the cup is pressed by a gravity shoe 148, and just prior to it reaching station 3, its unfolded apex is engaged by a spring-loaded arm 210, Figs. 4, 7, 13, to turn blank material over the apex. At station 3 a further heated spring-loaded shoe 174 engages the seam and a presser 216, mounted on a crosshead 232, Fig. 4, capable of reciprocating towards and away from the mandrels, presses additional blank material 412 over the apex fold, the arm 210 being pushed clear by its advance. Between stations 3 and 4, the cup is pressed by a further gravity shoe 150. At station 4, a member 268 mounted on the crosshead 232, presses a spring-loaded cone 272 over the cup, engages the apex in a heated mould 274 and forms a cylindrical portion 418 on the cup rim. Each mandrel has rotatable on it a rim spinning die 290 and at station 4 this is rotated by a friction wheel 352 and advanced towards the portion 418 along the mandrel axis to spin a bead 420, Figs. 7, 7a. During final spinning of the bead, the members 268 and 290 advance together towards the mandrel apex. The cup is ejected at station 5 by grippers 382 carried on the crosshead 232. The blank edge is released by the fingers 54 and the grippers 382 spring over the bead as they advance, and strip the cup from the mandrel as they withdraw. The final movement of the grippers springs the cup between rigid arms 402, Figs. 4, 7, at the mouth of a stacking shoot 390, the arms 402 retaining the cup when the grippers again advance.
Patent GB-1450469-A (GB)
Title: Signal level comparator
IPC: G01R19/155
Filed: 1974-02-13
Abstract: 1450469 Electric retroactive control systems HITACHI Ltd 13 Feb 1974 [16 Feb 1973]  6568/74 Heading G3R A comparator circuit for comparing a detected signal with a reference signal voltage comprises an amplifier the output voltage of which is fed back to a point in its positive input circuit which is lower in potential than the reference signal, Fig. 2a, embodiment or alternatively lower than the detected signal potential, Fig. 1a, embodiment which causes the amplifier output to have a steep rise and remain stable. As shown Fig. 1(a), a detected signal voltage is applied at terminal 6 and thence to input 1B of the amplifier 1. Positive feedback is to a point 12A of divider 11, 12 which point is lower in potential than the detected signal. A reference voltage V 1A  is derived from a divider 3, 4 connected to a positive potential at 2. The potential at 12A is arranged to be lower than the triggering potential V B  of a transistor switching circuit 7. The output V 1  from the amplifier occurs when the reference voltage V 1A  exceeds the detected voltage V 1B . Positive feedback occurs prior to V 1C  exceeding the triggering potential V B  and when V 1C  exceeds V 1  2  and a diode 9 conducts resulting in a steep rise in V 1C . The transistor circuit 7 can be switched by this steep rise of V 1C  and thus can operate stably. In an embodiment Fig. 2a, the detected signal voltage is applied to the negative input terminal 1A. The feedback signal is applied to a divider 3, 4A, 4B at a point which is lower in potential than the reference voltage applied to positive input terminal 1B.
Patent GB-803985-A (GB)
Title: Improvements relating to disazo pigments and their use
IPC: C09B35/02
Filed: 1957-02-28
Abstract: Greenish to reddish yellow pigments of formula: <FORM:0803985/IV (a)/1> where X is a linear bridging member embracing two carbon atoms which are saturated by oxygen and hydroxyl groups and/or hydrogen atoms and A is the residue of a ketomethylene coupling component which is free from sulphonic or carboxylic acid groups are used to colour rubber and polyvinyl chloride.  X may be two identical or different members of the series carbonyl, hydroxymethylene and methylene and mixtures of diazo components may be used.  In examples polyvinyl chloride is coloured by dyestuffs made from the following azo and coupling components: 4,41-dichloro-3,31-diamino-benzil and -dibenzyl and acetoacetic acid-anilide, -p-toluidide, -p-chloranilide, -o- and -p-anisidides, -m-xylidide and -2,5-dimethoxy-4-chloranilide.ALSO:4,41-Dichlorbenzil treated with fuming nitric acid yields 4,41 - dichloro - 3,31 - dinitro - benzil which may be reduced with iron and hydrochloric acid to yield the corresponding diamine or hydrogenated to yield 4,41dichloro-3,31-diamino - hydrobenzoin.  The diamino - benzil may be treated with hydrazine hydrate in diethylene glycol and potassium hydroxide to yield the corresponding dibenzyl or hydrogenated to the hydrobenzoin.ALSO:The invention comprises greenish to reddish yellow pigments of formula <FORM:0803985/IV (c)/1> where X is a linear bridging member embracing two carbon atoms which are saturated by oxygen and hydroxyl groups and/or hydrogen atoms and A is the residue of a ketomethylene coupling component which is free from sulphonic or carboxylic acid groups.  They are made in conventional fashion by diazotizing appropriate dichlorodiamines containing X and coupling with the ketomethylene components.  X may be two identical or different members of the series carbonyl, hydroxymethylene and methylene.  Mixtures of diazo components may be used.  Indicated ketomethylenes are acetoacetic acid anilide, chlor- and dichlor-anilides, toluidides, chlortoluidides, xylidides, anisidides, phenetidides, acetoacetic acid dimethoxy cyananilide, 2,5-dimethoxy-4-chloranilide, benzoyl acetic acid anilide, di-acetoacetic acid-o-tolidide, 1 - phenyl - 3 - methyl - and carbethoxy - 5-pyrazolones, the three 1 - chloro - phenyl - 3-methyl - 5 - pyrazolones, tolylmethyl - 5 - pyrazolones and dihydroxyquinoliens.  The products pigment high molecular weight natural and synthetic substances such as rubber, paints and lacquers and organic polymerization, polycondensation and polyaddition products.  Spinning masses for synthetic fibres, especially viscose, may also be coloured.  In examples which illustrate the preparation of the pigments and their use in colouring polyvinyl chloride compositions the diazo components used are 4,41 - dichloro - 3,31 - diamino - benzil, hydrobenzoin and dibenzyl and the coupling components are chosen from those indicated above and 1 - (41 - methylphenyl) 3 - methyl - 5-pyrazolone.
Patent GB-195367-A (GB)
Title: Improvements in or relating to motor road vehicles
IPC: B62D23/00
Filed: 1923-03-08
Abstract: 195,367. Marks, A. R., and Moir, W. A. March 27, 1922, [Convention date]. Frame components of special materials, sections and forms of.-A combined body and frame for motor vehicles comprises a shell constructed of a continuous band of wood, reinforced wood or the like, e.g. layers of plywood with or without layers of canvas. A block of wood or metal is made the size of the body required, and around this the layers of wood are wrapped with the joints " broken," each layer being glued and cramped to the underlying one. In the construction shown three layers 10 are used stiffened at the bottom by a continuous channel-iron 26 and at the top by channel-irons 24, 25. The channel-irons are connected together by long bolts 27. A narrower band 13 of plywood strengthens the body shell. Transverse angleiron stays 19 - - 23 are provided. The seat-pit 18 forms a transverse reinforcement and is con. structed of layers of wood 15 bent around a former block and secured to the sides and to the instrument board 17. The springs 31, which may be of any suitable kind, are secured to the bottom channel-irons 26, and the floor-boards are secured to angle-irons also carried by the channel-irons 26. The engine and transmission-gear are carried by the frames or stays 21, 22, 23 which are strengthened by diagonal struts, and may have detachable top members to facilitate access to the engine space. Removable covers 35, 42 are provided over the front and rear of the body, and a dummy rear-end 40 of any desired shape may be fitted. The space to the rear of the engine &c. may be used for luggage &c. In a modification the body shell may be formed in halves 43, 44, Fig. 5, secured together at the ends.
Patent GB-164471-A (GB)
Title: Improvements in locks
IPC: E05B15/12
Filed: 1920-03-05
Abstract: 164,471. Adam, R. March 5, 1920. Locks, square-key and like.-The lock has a casing 5 bored out from solid metal, or made from sheet metal, carrying a spring-pressed sliding bolt 1 with a toothed rack 2, a pin 9, and a hole 12. The key 3 has three teeth 4 which engage with the rack of the bolt and retract it, when the key is inserted in the keyhole 7 and rotated. When the bolt is retracted, a stop pin 10 passed through holes 11 and 12 holds it against protrusion. The pin 9 on the bolt, working in a guide slot 8 in the casing, may take the form of a handle for withdrawing the bolt. The size and shape of the teeth and recesses of the rack 2, and of the teeth in the key 3, may be varied, and the key may be made to taper to allow it to take up wear on the engaging parts. The keyhole 7 may be fitted with an escutcheon. Instead of the toothed rack, the bolt may have recesses for engagement with suitable pegs on the key. In the Provisional Specification it is stated that the inner end of the key may be journaled in the casing.
Patent GB-1046655-A (GB)
Title: Line welding metals by explosives
IPC: B23K20/08
Filed: 1964-02-18
Abstract: An explosive composition for use in welding metal plates comprises PETN, hexogen or tetryl, a binding agent (e.g. paraffin wax), a softening agent selected from pine tar, pine oil, colophony, stearic acid, mineral rubber, petrolatum, coal tar, coumarone resin, phenol resin and styrene resin, and an adhesive selected from ester gum, colophony, terpene resin and phenol resin.  The binding agent, the softening agent and the other agent are melted, mixed and cooled before the explosive is added thereto. An insensitizer such as potassium nitrate or barium nitrate may be added to the explosive.
Patent GB-479393-A (GB)
Title: Improvements in and relating to filter papers for the filtration of liquids in funnels
IPC: B01D39/18
Filed: 1937-03-08
Abstract: 479,393. Filters. SCHULL, R. March 8, 1937, No. 6786. Convention date, March 6, 1936. [Class 46] Discs of filter paper for use with funnels have a part 2 of their edge cut away at the extremity of the crease line along which the paper is folded for use. The device is stated to prevent the collection of air bubbles during filtration.
Patent GB-835784-A (GB)
Title: Improvements in or relating to fluorides of sulphur
IPC: C01B17/45
Filed: 1957-02-28
Abstract: Sulphur fluorochlorides SFmCln, where m is 3, 4 or 5 and n is 6-m and sulphur mono hydropentafluoride (SF2H) are stated to be present in the product obtained by electrolysing a mixture containing sulphur dichloride and hydrogen fluoride with a conductivity-promoting solute such as an anhydrous alkali metal fluoride and excess chlorine, together with impurities such as sulphur tetrafluoride, sulphuryl and thionyl chlorides, fluorides and chlorofluorides, sulphur tetrafluoride oxide (SOF4), sulphur dioxide (the sulphoxy compounds resulting from inadvertent introduction of water and/or air), hydrogen fluoride and chloride, silicon tetrafluoride (from reaction with glass in the apparatus), hexafluoroethane, carbon dioxide, chlorine, and phosgene.
Patent GB-259114-A (GB)
Title: Improvements in and relating to electrically-driven winches
IPC: B66D1/26
Filed: 1926-03-11
Abstract: 259,114. Sunderland Forge & Engineering Co., Ltd., and Marr. W. B. March 11, 1926. No Patent granted (Sealing fee not paid). Winches.-An electrically driven winch comprises a drum having two or more cylindrical portions h<1>, h<2> of different diameters which revolve together and an electric motor e which is arranged clear of the stepped barrel with a spindle at right angles to the drum shaft a. The motor controller m automatically varies the speed inversely as the load.
Patent GB-1141771-A (GB)
Title: Improvements in or relating to hinged covers
IPC: F25D23/02
Filed: 1966-02-16
Abstract: 1,141,771. Hinges. CORNELIUS CO. 18 Feb., 1966 [23 April, 1965], No. 6856/66. Heading B5A. [Also in Divisions A4, B8 and E2] A combined cover and hinge for a refrigerator cabinet is formed as a unitary plastics moulding, e.g. of polypropylene, and includes a flexible web 34 integrally connected at opposite sides to a rigid cabinet cover 19 and a rigid, hollow mounting block 21 which is apertured for passage of securing screws and has an upper surface 31 forming a stop for the fully opened lid. As moulded, the wall 25 of the cover is parallel to the wall 31. While hot, the web is flexed several times to orientate the material, and the device is then cooled in a fixture which holds the cover and block in the position in which the cover will close the open end of the cabinet so that internal stresses are set up in the web which increase as the cover is opened. These stresses, reinforced by the weight of the cover, hold the cover in tightly closed position on the cabinet and are overcome by gravity when the cover is fully opened through a vertical position to abut the surface 31. The cover is recessed internally to receive insulation 23 and the walls 16 of the cabinet have a breaker strip 18 and liners 15 enclosing insulation 17.
Patent GB-822652-A (GB)
Title: Improvements in or relating to electromagnetic relays
Inventor: COURTNEY SIMON CLAUDE
IPC: H01H50/64
Filed: 1957-03-01
Abstract: 822,652. Electromagnetic relays. TELEPHONE MANUFACTURING CO. Ltd. Feb. 24, 1958 [March 1, 1957], No. 6882/57. Class 38 (5). (5). A relay armature 6 pivoted at 5 has riveted to its end at 9 a non-magnetic contact actuator 10 with a rectangular cut-out 11 through which the circular core 2 passes. When the relay is energized the edge of the cut-out engages the core and leaves a small gap 6a between the armature and core. The centre contact spring 12 of a set as described in Specification 787,996 biases the armature 6 away from the core 2 so that when the relay is de-energized an opposite edge of the cut-out 11 engages the core 2. The actuator 10 may be of metal to give the relay slow-acting characteristics.
Patent GB-562840-A (GB)
Title: Improvements in couplings for pressure fluid pipe lines
IPC: F16L37/252
Filed: 1943-05-01
Abstract: 562,840. Pipe couplings. TURNER, W. May 1, 1943, No. 6897. Addition to 425,141. [Class 99 (i)] In a bayonet-type coupling according to the parent Specification, having two coupled positions, in one of which the valve 11 is opened and in the other of which it is closed, each position being maintained by the action of the valve spring 12, 'the pin elements 7 of the coupling are on the socket member 9 and the notches 5, 6 are in the spigot 1. The pins pass through longitudinal grooves 2 during coupling. The notches 5 are longer than the notches 6. Relative rotation of spigot and socket is limited by stops 4a. Alternatively, there are two sets of pins spaced longitudinally and one set of notches, the spigot being suitably recessed to accommodate the pins not engaging the notches.
Patent GB-641086-A (GB)
Title: Improvements in or relating to magnetrons
IPC: H01J25/587
Filed: 1947-03-12
Abstract: 641,086. Magnetrons. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. March 12, 1947, No. 6916. Convention date, Sept. 27, 1944. [Class 39 (i)] A multicavity magnetron is tuned by an axially-extending auxiliary emissive cathode disposed in at least one of the cavities in proximity to the opening of the cavity into the main cathode chamber. Emissive filaments 23 are disposed in the slots 15 of a slot-and-hole type multicavity magnetron, thus varying the capacities across the slots. The filaments 23 project from opposite ends of the resonant cavities 14 where they are supported by radial tensioning arms 24 from conductive rings 19 insulatively supported from the anode block 12. The filaments may be directly or indirectlyheated and the emission varied by control of the heating current, or by a modulating potential applied between the filaments and the anode block, or the filaments may be secondary emissive and the emission varied similarly by a modulating potential.
Patent GB-1292221-A (GB)
Title: Ceiling structure
IPC: E04B9/02
Filed: 1970-02-12
Abstract: 1292221 Lighting fittings; ventilating buildings NORSK VIFTEFABRIK AS 12 Feb 1970 [12 Feb 1969] 6917/70 Headings F4R and F4V [Also in Division E1] A suspended ceiling incorporating provision for lighting and air conditioning comprises a plurality of inverted channels 101 fitted with cover plates 112 and having support means, such as flanges 117 to support lighting fittings including lamps 104 on support panels 106, and such as flanges 118 to support transparent or translucent panels 108 or sound absorbing panels 107, the panels 106, 107, 108 and the channel walls defining cavities having a bottom boundary. Air flow passages such as holes 113 in the channel walls and such as gaps 109 between panels 107, 108 forming the bottom boundary are provided for the flow of air from the room 129 over the lamps 104. The holes 113 can be fully or partially closed by means of a slide plate 130. The panels may have rows of slits or perforations adjacent the transverse edges, as an alternative to the provision of gaps 109.
Patent GB-989275-A (GB)
Title: Improvements relating to roofing
Inventor: PURSEY HAROLD ARTHUR
IPC: E04D3/32
Filed: 1963-02-21
Abstract: 989,275. Roofing tiles; roofs. TURNERS ASBESTOS CEMENT CO. Ltd. Oct. 8, 1963 [Feb. 21, 1963], No. 7062/63. Headings E1B and E1V. Asbestos-cement roofing tiles are formed with two crests of different heights, the tiles being secured to purlins 1 at their smaller crests by nails 8 passing through capping pieces 7 which extend down the side of the crest to the trough 6. The ridge of the roof is completed with conventional part-circular tiles or with pairs of tiles each having a part-circular part which overlaps each other at the ridge.
Patent GB-569477-A (GB)
Title: Improvements in or relating to systems for driving vessels
IPC: B63H3/10
Filed: 1943-05-05
Abstract: 569,477. Fluid-pressure servomotorcontrol systems . HAMMOND, J. H. May 5, 1943, No. 7126. [Class 135] The pitch of a ship's propeller is varied in accordance with the integrated value, over a definite period of time, of the deviation from normal of a condition of propulsion. The form shown includes mechanism comprising a pointer 53 indicating propeller thrust and controlling a motor 55 in the manner described in Specification 546,197. The motor acts through a reducing gear 85 and a threaded shaft 86 on a rider 87, operatively connected to an arm 90 having a contact 92. A timing device comprises a cam 101, and the arrangement is such that while the high part of the cam lifts a roller 102, the contacts 103, 105 are in engagement, the motor 55 is driven, and the contact 92 is moved to a position proportional to the integrated deviation of thrust from normal. When the low part of the cam operates, .contact is broken at 103, 105 and established at 103, 106, so that the motor 55 is stopped, and a motor 21 driven through establishment of contact between 92 and 95 or 96, to move a lever 23 controlling a servomotor 27 which operates a rod 19 controlling the propeller pitch. Forms are also described in which the pointer 53 is operated in accordance with the ship's speed, or by the steam consumption.