baber/WOPTO huggingface dataset:
Patent GB-206210-A (GB)
Title: Improvements in and relating to toothed wheels
IPC: F16H55/17
Filed: 1922-07-28
Abstract: 206,210. Sacerdoti, C. July 28, 1922. Casting processes.- Semicircular toothed rim portions are cast or heated and shrunk on to corresponding body halves, being so shaped that, upon cooling, they contract and grip the body portions and require no other means of attachment. For this purpose the half-rim may be formed with a dovetailed, undercut or plain circumferential channel, Figs. 3 and 4, the sides of which grip the body portion upon cooling, or the ends of the rim portion may be inturned radially to engage recesses in the body portion, Fig. 7, in which case the parts are secured by circumferential contraction.
Patent GB-315313-A (GB)
Title: Improvements in the manufacture of coloured electric glow lamps
IPC: C09D131/02
Filed: 1929-07-05
Abstract: 315,313. I. G. Farbenindustrie Akt.- Ges. July 11, 1923, [Convention date]. Bulbs.-In the production of coloured varnish coatings on electric glow-lamps, varnishes obtained from the resinous polymerization products of vinyl esters are employed. The resin is coloured bv the addition of a suitable colouring- matter, either directly, or after it has been dissolved in an organic solvent, and the glow-lamp is coated bv immersion in the varnish. The varnish may be composed of 15 parts by weight of vinyl ester resin, and 100 parts of a solvent, such as alcohol, glycol, butanol, or butyl acetate, either alone or mixed together, colouring-matter or a pigmenting-agent being added according to the effect desired. The glow-lamp is dipped into the solution, allowed to drain, and dried.
Patent GB-904515-A (GB)
Title: Treatment of metal surfaces
IPC: C02F5/08
Filed: 1961-06-08
Abstract: A process for removing copper containing iron oxide scale from metal surfaces comprises the steps of contacting the surface with an aqueous solution containing at least 1% (W./V.) citric acid and enough nitrogen base to give a pH of 2.5-5, until the iron content of the solution becomes constant, then adding more of the base to give a pH of 8-10 to remove the copper as a complex.  The nitrogen base may be mon-, di, or tri-ethanolamine or a water-soluble aliphatic amine and the citrate may be added as a salt.   During the alkaline step an oxidizing agent such as KMnO4 or KBnO4 may be added to the solution.
Patent GB-347966-A (GB)
Title: Multi-stage apparatus for mixing, stirring, emulsifying and the like purposes
IPC: B01F5/00
Filed: 1930-07-08
Abstract: 347,966. Centrifugal machines. I. G. FARBENINDUSTRIE AKT.-GES, Frankfort-on-Main, Germany. July 8, 1930, No. 20709. Convention date, July 13, 1929. Addition to 301,701, [Class 23, Centrifugal machines &c.]. [Class 23.] Mixing - apparatus.-A multi-stage apparatus for mixing, emulsifying and the like, of the type described in the parent Specification has stationary guide walls 2, 3 slotted for the passage of the material which enters the inlet tube 1. Channels 5, 6 in the guide walls communicate with the falciform or annular space 7 in the cover 9 ; gases, to dissolve in the material or to react therewith, are passed into the chamber 7 and the channels 5, 6, from which they pass into the material by small openings 8. Where a gas is not easily soluble in the material only the guide wall 3 has gas channels.
Patent GB-997440-A (GB)
Title: Improvements in and relating to radio tuner mechanisms
IPC: H03J5/12
Filed: 1962-05-30
Abstract: 997,440. Adjusting radio tuning. BLAUPUNKT-WERKE G.m.b.H. May 30, 1962 [June 29, 1961], No. 20724/62. Heading H3Q. In a push-button tuner comprising a number of slide members 4, Figs. 1, 2, each of which carries a stop member 6 which is engageable with a rocker arm 3 for turning the tuning element to a predetermined position, and which is adjustable to change the predetermined position; and a rotary tuning control operable manually through a reduction gear 24, 25, Fig. 3, and a clutch 23 which may be disengaged when a slide member is depressed; provision is made for rendering the clutch disengaging arrangement inoperable during adjustment of the member 6 to change the predetermined position. When slide member 4 is depressed the rocker 3 is rotated to a predetermined position where the two edges 5, 7 of the stop 6 engages with the rods 1, 2. The stop 6 is pressed against the member 4 by a lever 8 pivoted on a rivet 9. To alter the predetermined position the rocker 3 is adjusted to the required position by the rotary tuning control, Fig. 3, and a button 10 on slide 4 is pulled out slightly moving lever 8 to unlock stop 6. If the slide 4 is subsequently pushed in the stop 6 takes up a position corresponding to the rocker 3 to prevent the slide being further depressed, and an increase in pressure on button 10 moves lever 8 to relock the stop 6. In use, when the tuning element is set by depressing a slide, a stop 14 engages with a tongue 15 to rotate member 16 and disengage the clutch 23 so that the rotating control is normally inoperative when a slide is depressed. In order to render the clutch release inoperative when altering the predetermined position of stop 6, pulling the button 10 is arranged to also move stop 14 so that it cannot engage with tongue 15, and movement of the rocker arm 3 is therefore prevented by the worm drive gearing 24, 25.
Patent GB-1318169-A (GB)
Title: Moulded pharmaceutical compositions
IPC: A61K9/20
Filed: 1972-05-04
Abstract: 1318169 Pharmaceutical compositions comprising galactomannan MERCK PATENT GmbH 4 May 1972 [19 June 1971] 20754/72 Heading A5B A pharmaceutical moulding, from which there is delayed release of active material, is characterised in that the moulding contains at least 20% by weight of galacto mannan.
Patent GB-148963-A (GB)
Title: Devices on gyro-compasses for preventing errors due to rolling of the vessel
IPC: G01C19/38
Filed: 1920-07-10
Abstract: 148,963. Ges. f³r Nautische Instrumente. Oct. 22, 1915, [Convention date]. Gyroscopic compasses. - Oscillations of the gyro-axis about an axis parallel to the meridian, due to rolling &c. of the ship, are restrained by the torque exerted by an auxiliary gyroscope having a vertical axis of rotation and carried by the compass mounting. The sensitive element a is mounted on horizontal pivots d in a ring e which is vertically pivoted within the follow-up ring f. The support i for the ring f is formed at its upper part as a housing r within which is mounted on pins q, at right-angles to the axis of the gyroscope a, the auxiliary gyroscope p having a vertical axis. The pins q may be rigid or they may be formed as pivots, in which case the gyroscope p carries a weight s, which may be slidable, in order to bring its centre of mass below the pivots q.
Patent GB-567834-A (GB)
Title: Improvements in and relating to tuning arrangements for wireless receivers
IPC: H03J5/12
Filed: 1939-07-18
Abstract: 567,834. Push-button tuning mechanism. GENERAL ELECTRIC CO., Ltd., and PETERS, W. H. Ju]y 18, 1939, No. 20844. [Class 37] In wireless receivers having a tuning member operated both manually and automatically, e.g. by push-buttons, the manual control is dissociated from the.tuning member when the automatic control means is in operation. The manual control of the rotor shaft 1 of the tuning condensers comprises a disc 5 fixed to the shaft 1 and provided with an annular portion 3 held in frictional contact with a slot in the shaft 2 of the manually-operated tuning knob by means of a slider 18 forced upwardly by a spring 21. The slider 18 is depressed to disengage the friction drive by means of an adjustable screw 17 mounted on an L-shaped lever 15 pivoted at 16, the required movement of the lever being effected by a rocker bar 9, 10 which on rotation, by depression of a pushbutton shaft 8, operates a cam 12 engaging a pin 14 on the end of the lever arm 15. Reference has been directed by the Comptroller to Specification 521,817, [Group XL].
Patent GB-660588-A (GB)
Title: Improvements in or relating to water-tube boilers
IPC: F22B37/10
Filed: 1948-08-06
Abstract: 660,588. Making steam generators. THOMPSON WATER TUBE BOILERS, Ltd., J., and PARTRIDGE, W. L. Aug. 8, 1949 [Aug. 6, 1948], No. 20852/48. Classes 83 (ii) and 83 (iv). Uniting by fusion.-A tube 1 is joined to the drum 3 of a water-tube boiler by fusion welding the end of the tube 1 to the drum at the inside face 5 thereof. The weld 6, single, double or multirun seals off the clearance between the tube 1 and the hole 2, and may be stress relieved by heating to 600‹ to 650‹ C. and air cooling. The tube 1 may project beyond the face 5, or may be level, in which case the hole is countersunk ; or may extend only about three-quarters of the depth of the hole. A vee-less weld may be made, or the tube 1 may be bell-mouthed as at 14 and the drum countersunk, Fig. 6. In other forms the outside face of the drum 3 may be counterbored or countersunk half the length of the hole 2 to facilitate insertion of the tube 1 (Figs. 7 and 8, not shown). For a 3-inch outside diameter 6-gauge tube the first run may be with a 10-gauge electrode, and the second with an 8-gauge electrode.
Patent GB-388415-A (GB)
Title: Improvements in heat treating furnaces
IPC: C21D1/74
Filed: 1931-07-22
Abstract: 388,415. Metal-heating furnaces. HAYES, C. I., 129, Baker Street, Providence, Rhode Island, U.S.A. July 22; 1931, No. 20907. Convention date, Aug. 28, 1930. [Class 51 (ii).] Gases, supplying; air, preventing admission of ; indicators.-In a metal-heating furnace of the kind in which the work is enveloped, during heating by electric resistance elements 19, in an atmosphere of combustion products which are generated by the combustion of gas and air in a chamber 23 and projected through a slot 24 so as to form an air-excluding curtain across the charging throat 13, means, operated by the furnace door 14, are provided for increasing the supply of gases through the slot 24 as the door is opened. As shown, the gas and air supply pipes 25, 25<1> are each fitted with two valves 29, 33, and 31, 34 in the main pipe lines and further valves 30, 32 in byepass lines 27, 28. The valves 33, 34 are connected by links 35, 36, 37 and a rod 38 to the shaft 40 carrying the pulleys 16 which effect the raising and lowering of the door 14. The setting of the hand valves 30, 32 controls the proportions of gas and air normally delivered to the combustion chamber 23, while the proportions of additional gas and air supplied when the valves 33, 34 are opened by raising the door 14 are controlled by the setting of the hand valves 29, 31. Manometers 41, 42, connected to flow indicators 43, 44, are provided in the gas and air lines 25, 25<1>. Fig. 5 shows a modified connection between the rod 38 and the valves 33, 34 to enable the latter to be adjusted by hand if necessary. A pin 47, forming the connection between the links 35, 37, is normally held by a spring 49 in a slot 46 which communicates with a second slot 45 formed in the lower end of the rod 38 ; on release of the pin 47 from the slot 46, the valves 33, 34 may be manually adjusted by the handle 48.
Patent GB-425896-A (GB)
Title: Improvements in mercury-vapour electric discharge tubes
IPC: H01J13/16
Filed: 1933-07-25
Abstract: 425,896. Discharge tubes. JENAER GLASWERK SCHOTT & GEN., Otto-Schott- Strasse, Jena, Germany. July 25, 1933, No. 20919. Convention date, July 26, 1932. [Class 39 (i)] In a mercury-vapour discharge tube of glass, the anode arm e surrounds the greater part of a cylindrical anode a in such manner that the arm is as close as possible thereto without touching, the rear end of the anode is not more than 20 mms. from the rear-end of the arm, and the anode supply wire c is covered with glass d which ends in, and the diameter of which is less than that of, a bore b in the anode. The Specification as open to inspection under Sect. 91 states also that the length of the anode is at least four times its diameter. This subject-matter does not appear in the Specification as accepted.
Patent GB-574063-A (GB)
Title: Improvements in or relating to machines used in laundries for washing or drying articles
IPC: D06F95/00
Filed: 1943-12-14
Abstract: 574,063. Drying-tumblers. ARMSTRONG & CO., Ltd., J., and NEWBERY, S. Dec. 14, 1943, No. 20924. [Class 34 (ii)] [Also in Group VIII] Unloading means for a washing or drying machine of the kind comprising a horizontal cylindrical rotary perforated cage revoluble in a fixed outer casing and having internal ribs or beaters consists of a trough like shoot 16, Figs. 1, 2, arc-shaped in cross section insertable in the machine for support at each end and shaped to receive the work as it falls from the ribs 15 as they turn. The shoot is shallower at the inner end which has a stud 18 to enter a bore on a bush 19 fitted in the end plate 5 of the rotary drum 3. The front end has an outward flange 20 to rest on the studs or nuts 21 that secure the door frame 22, end plate 6 and ring 10 on which the anti-friction rollers 11 run supporting the T-section ring 9 attached to the cage. Bolts 23 on the flange engage staples 24 on the end plate 6 to secure the shoot. As the drum 3 is slowlv rotated work falls on the shoot and slides or may be drawn to the outer discharge end. The shoot has a smooth inner surface or has longitudinal ribs or corrugations or may have transverse closely spaced rollers or may have a hand or power driven conveyer of the endless band or chain type. A twin machine may be fitted with doors at each end for use with such shoots to allow loading at one end and unloading at the other, the cages being revolubly mounted by means of T-section rings 31, Fig. 5, at each end, between cylindrical surfaces on which and cylindrical surfaces on rings 32 carried by the end plates 27, 28 of the outer drums, roller bearings 33 are placed. The rear end plates of the cages are formed with boss portions 35 on which are secured ring gears 36 gearing with pinions 38 on spindles 39 journalled in a removable closure plate 37 and its cover plate 40 and in train through a pinion 43 with a main driving gear 46 and motor 44. Each of the doors at the front of the machine may be fitted with a bush and socket 19 to take the stud 18 of the shoot. Where the quantity of work can be done with a single machine, valves fitted in the cross pipes and common feeds allow isolation of one machine. For a drying tumbler only the water steam and solution feeds are omitted and heated air may be supplied to the drums. Interlocks would be fitted to ensure that all doors would be closed and fastened before the machine could be started, and to prevent access to the cages while in motion and to prevent opening of a door or removal of a safety guard before power is cut off.
Patent GB-702953-A (GB)
Title: Improvements relating to 2,8-disulphonic acid of 3,7-diaminodibenzothiophenedioxide
Filed: 1951-09-05
Abstract: 2, 8-Disulpho-3, 7-diaminodibenzothiophene dioxide is prepared by sulphonating benzidine or 3, 7-diaminodibenzothiophene-dioxide, and heating the reaction product at a temperature of 80-140 DEG C. in the presence of 8 to 101 per cent. sulphuric acid until the 2, 8-disulphonic acid isomer content in the product is substantially increased.  Preferably, the sulphonation product is heated to 2-5 hours at 100-125 DEG C. with 85-100 per cent. sulphuric acid.  The 2, 8-isomer may be separated either before or after the treatment with the sulphuric acid, by adding an excess of a trialkylamine. In a modification, the 2, 8-isomer may be prepared from other sulphonic acid derivatives of 3, 7-diaminodibenzothiophene dioxide by heating with sulphuric acid as above described.  In examples, (1) benzidine sulphate is sulphonated by treatment first with 25 per cent. oleum at 65 DEG C. and then adding 85 per cent. sulphuric acid at 140 DEG C., the reaction mixture is diluted to bring the sulphuric acid to 85 per cent. concentration and then heated to 122 DEG C. for 2 hours, after which the 2, 8-disulpho-3, 7-diaminodibenzothiophene dioxide is separated as the triethylamine salt; (2) benzidine sulphate is sulphonated and the product heated to 122 DEG C. for 2 hours in 100 per cent. sulphuric acid; (3) 3, 7-diaminodibenzothiophene dioxide is sulphonated and the product heated to 125-130 DEG C. for 1 hour at a sulphuric acid concentration of 67-68 per cent.; (4) benzidine sulphate is sulphonated and the product heated for 4-5 hours at 115-120 DEG C. at a sulphuric acid concentration of 45-50 per cent.; (5) benzidine sulphate is sulphonated and the product heated at a sulphuric acid concentration of 95-6 per cent. for 2 hours at 122 DEG C.; (6) benzidine sulphate is sulphonated and the product heated for half an hour at 140 DEG C. or 5 hours at 110 DEG C. at a sulphuric acid concentration of 100 per cent.; (7) benzidine sulphate is sulphonated and the product heated to 140 DEG C. for one hour at a sulphuric acid concentration of 101 per cent.; and (8) benzidine is sulphonated, the 2, 8-disulphonic acid isomer isolated as the triethylamine salt, and the residue subjected to repeated heating after adding 8 per cent. sulphuric acid, followed by cooling after each heating step to separate further quantities of the 2, 8-isomer.
Patent GB-1181642-A (GB)
Title: Improved Selective Heater for use in sealing Container Closures
IPC: B31B3/28
Filed: 1968-05-03
Abstract: 1,181,642. Making cartons. EX-CELL-O CORP. 3 May, 1968 [4 May, 1967], No. 21113/68. Heading B5D. Apparatus for forming bottom closures on rectangular section tubular cartons having thermoplastic coated sealing flap portions, comprises means to preheat the selected areas of the sealing surfaces and consisting of a central head which enters the tube end to blow hot air on these areas through a vertical slit at each corner and transverse slits extending from the corner junctions, and side heaters which blow hot air on to outer surfaces of closure flap portions. Collapsed tubular cartons, coated on both sides with thermoplastic adhesive, are each fed from a magazine and opened out between pins 142, Fig. 1, on one of a series of holders 120 on a continuously rotating turret 103. Beneath the turret and rotating with it, is a plate 166 carrying beneath each holder the central head 380 and side heaters 396, Figs. 6, 12. Beneath the plate 166 is a stationary plenum chamber 300, spring urged against the underside of the plate to form a seal and blowing hot air through apertures 366, 368, Fig. 6, into the members 380, 396. The air is supplied to the two compartments 332, 334 of the chamber by gas burning equipment 342, 344, 350. Each head 380 has upstanding corner portions, Figs. 12, 15, with a vertical slot 388 at each corner and horizontal slots 390. The heaters 396 have each patterns of apertures corresponding to the triangular carton flaps 56, 63, 64, Fig. 4, when the respective holder descends to place the closure portion of the carton over the head 380. Slits 408, (412), Fig. 18 (not shown), in two opposed walls of the head cause hot air to be blown directly on to a flap portion 62, which is outside in the finished closure, and indirectly via a baffle 404, Fig. 10, on to the back of a flap 61 which tucks inside. A roller 414 on one of the side heaters squares up the carton as it descends over the head 380. After heating, each holder 120 rises to pull the carton over a mandrel 105 and the bottom closure is formed by means 106, not detailed.
Patent GB-1139410-A (GB)
Title: Process for the manufacture of pre-impregnated webs
IPC: C08J5/24
Filed: 1966-05-12
Abstract: 1,139,410. Laminates. CIBA Ltd. 12 May, 1966 [22 May, 1965], No. 21187/66. Heading B5N. [Also in Divisions B2, D1 and D2] A process for the manufacture of laminates comprises assembling a stack of flat materials made by impregnating a porous flat material with a solution containing (a) a pre-lengthened, still soluble epoxy resin which has been made by reacting at elevated temperature epoxy compound, which is flowable at room temperature and having an epoxy equivalency greater than 1 and an epoxide content of over 2À0 epoxide equivalents per kg., with a curing agent in an amount so that at least 10 to at most 70% of the epoxide groups are consumed, without however the epoxide content dropping below 2À0 epoxide equivalents per kg., the reaction being continued until all the curing agent has been consumed and a stable pre-lengthened product is formed, (b) a curing agent in an amount sufficient to ensure complete curing of the pre-lengthened epoxy resin (a), and (c) an organic solvent and drying the impregnated material and pressing the stack at elevated temperature. Specified porous materials are woven, braided or knitted fabrics, fine mats and fibre fleeces, e.g. paper, asbestos paper, mica paper, cottonwool, linen or cotton muslins, canvas, glass fibre mats and glass fibre fabrics. Many conventional epoxide compounds, curing agents therefor and organic solvents are specified.
Patent GB-1339980-A (GB)
Title: Glass article
IPC: B32B17/10
Filed: 1971-04-19
Abstract: 1339980 Laminated safety glass PPG INDUSTRIES Inc 19 April 1971 [9 Feb 1970] 21193/71 Heading B5N A laminated safety glass windshield adapted to be installed in such a manner that it comprises an inward facing ply 12 of relatively thin untempered glass, an interlayer 13 of a polyurethane or a plasticized polyvinyl butyral having a minimum thickness of about 0À030 inch adhered to said inward facing ply and an outward facing ply 11 of relatively thick glass adhered to said interlayer, said outward facing glass ply having a compressive stress zone 15 on its surface facing away from said interlayer of at least 0À002 inch in depth produced by chemical tempering, said relatively thin glass having a thickness of between 0À05 and 0À07 inch, and said relatively thick glass having a thickness of from 0À07 to 0À15 inch.
Patent GB-237749-A (GB)
Title: Improvements relating to fastenings for boxes or cases containing rotary sharpening apparatus for razors and edge tools
IPC: B24B3/54
Filed: 1924-09-10
Abstract: 237,749. Watt, J. A. D. Sept. 10, 1924. Fastenings for boxes; hasp fastenings.-The handle 8, 9, by which rotary razor-sharpening and like apparatus contained in a box 7 may be actuated, is mounted on its spindle 11 so that it may be turned from the driving position shown in Fig. 4 to the position shown in Fig. 2, in which the member 9 enters a socket 16 in the lid, which is thus secured in the closed position. In an alternative construction, the member 9 may be slidable through the member 8 so it may be pushed into the socket 16.
Patent GB-320927-A (GB)
Title: Improvements in and relating to laundry apparatus
IPC: D06F23/02
Filed: 1928-07-24
Abstract: 320,927. James, R. W., (Troy Laundry Machinery Co., Inc.). July 24, 1928. Washing-machines with rotary receptacles.- The perforated receptacle 101, Fig. 2. of a washing and centrifuging machine, is rotated within the stationary casing 103 from the shaft 114, Fig. 1, at one of three speeds, namely at a low speed, and in intermittently automatically reversed directions, through pulleys 115-117 for washing and tumbling, or unidirectionally at a high speed through fast and loose pulleys 118, 119 for centrifuging, or at an intermediate speed through fast and loose pulleys 120, 121. The intermediate speed, which may be varied between limits, is proportioned to the diameter of the receptacle and to the load and is such that the centrifugal force acting on the clothes, &c. just balances the force of gravity, whereby the clothes, &c. can spread themselves evenly over the inner surface of the receptacle so that when the latter is rotated at the high centrifuging speed, unbalance is reduced to a minimum. In place of the belt drive a motor having speed-adjusting means may be used. In an example for a machine of 42 inches internal diameter the washing and tumbling speeds comprise about 22 revolutions per minute, the centrifuging speed 300 revolutions per minute and the intermediate speed approximately 50 revolutions per minute. The range of limits of the intermediate speed is from 40 to 100 revolutions per minute.