baber/WOPTO huggingface dataset:
Patent GB-659309-A (GB)
Title: Improvements relating to electrically operated changing display indicators
IPC: G09F11/26
Filed: 1949-01-19
Abstract: 659,309. Changing signs. SIEMENS BROS. & CO., Ltd., and HAILEY, A. M. Jan. 19, 1949, No. 1519. [Class 3(i)] [Also in Group XXIV] A changing display sign comprises a plurality of elements, each comprising an endless belt or one or more slats and each driven by a common driving means through an electromagnetic clutch, the spindles of the driving and driven members being coaxially aligned and capable of rotary movement only and the drive being communicated by torsion in members secured to the driving or driven member. In the form shown, each element comprises a pair of slats 9, 10 secured 180 degrees apart on an axle 5 which is supported in cone bearings 3, 4.. Bearing 4 is spring-loaded so that the element can be removed. Freely mounted for rotation on the stem of bearing 3 is a continuously rotating driving sprocket 21 which is made of insulating material and carries an iron plate 34 on which are two electromagnets 16, which are supplied with current by two brushes 25 engaging concentric slip rings 23 secured to the sprocket 21. Surrounding the axle 5 and adjustably secured to it for the purpose of varying the air gap in the magnetic circuit of the clutch is an iron sleeve 6 which carries a tightly fitting sleeve 7 having a flange 13 to which an armature 15, forming the driven member of the clutch, is secured by flat springs 14 adjacent the electromagnets 16. Longitudinal movement of the armature 15 is limited in the direction away from the electromagnets by the screws which hold the springs 14 to the flange 13 and which act as back stops. Mounted on, and insulated from the sleeve 7 is a commutator 19 in the form of a flat slotted disc. Three contacts such as 29 bear on this disc one continuously and two, because of the slots, alternately each over 180 degrees of its surface; when a circuit is completed through the permanent contact and one of the others the electromagnets 16 are energized and attract the armature 15, the axle 5 is then rotated by the sprocket 21 through 180 degrees after which the circuit is automatically broken by the slotted disc commutator 19. An electromagnetic brake 28 which co-operates with the edge of flange 13 is mounted on the indicator frame and its circuit is arranged to be completed, to free the axle 5, through the commutator 19 whenever the clutch electromagnets 16 are energized; when the electromagnets 16 are unenergized the brake stops the rotation of the axle 5. The axle may carry any desired number of slats and if necessary the slats may be secured to an endless band. A band divided into a number of display surfaces may be used. Specification 357,616, [Group XXXVIII], is referred to.
Patent GB-994690-A (GB)
Title: Improvements relating to brackets for roof-supporting bars
Inventor: STUART JAMES DEREK
IPC: E21D17/03
Filed: 1961-01-14
Abstract: 994,690. Brackets for mine roof support bars. JOSEPH WRIGHT & CO. (FABRICATIONS) Ltd. June 19, 1961 [Jan. 14, 1961], No. 1637/61. Heading E1E. A bracket 1 for mine roof support bars consists of a fixed lug 3, 6 together with a relatively adjustable lug 8, 9, 10 for clamping to a bar 14 and a roller 12 for supporting a second bar 14a for advancement purposes. The lug 8, 9, 10 is actuated by a wedge, not shown, and the roller 12 is flanked by a retaining plate 13. The portions 6, 10 of the lugs may be upturned to accommodate bars having tapered flanges, see Fig. 3 (not shown) and an additional roller attachment may be disposed at the free end or underside of the slotted tongue 4 of the bar 1.
Patent GB-274144-A (GB)
Title: Improvements in or relating to vehicle brakes
IPC: F16D55/32
Filed: 1926-01-20
Abstract: 274,144. Villiers, C. A. Jan. 20, 1926. Cone and disc; fluid-pressure.-A brake for the wheels of vehicles comprises an annular piston or diaphragm 8 or a series of pistons or diaphragms disposed in a fixed casing 4 secured to the wheel spindle 6 and enclosing a disc 1 splined on the hub 2. By admitting pressure fluid to the casing 0 4 the disc 1 is gripped between friction surfaces 5, 7 carried respectively by the piston 8 and the casing. The disc 1 is returned to release position against a stop 13<a> by a spring 13 and the piston &c. 8 by a spring 10 abutting on sockets 12 and on rods 11 fixed respectively to the casing and to the piston.
Patent GB-1126961-A (GB)
Title: Artificial joints for use in surgery
Inventor: SCALES JOHN TRACEY
IPC: A61F2/36
Filed: 1965-01-14
Abstract: 1,126.961. Prosthetic joints. NATIONAL RESEARCH DEVELOPMENT CORP. 14 Jan., 1966 [14 Jan., 1965], No. 1739/65. Heading A5R. A prosthesis suitable for use in an artificial joint in the human bone structure comprises a bearing member 1, 2 adapted to be connected to the bone and having a part providing a bearing surface 7 and, adjacent thereto, a part 8 which is relieved from the bearing surface to provide a well for receiving particles of attrition formed from the material of the joint when in use. As shown, in a hip joint, a concave bearing surface 7 and a well 8 is provided on a part 1 which is clipped to a second part 2 screwed to the hip bone. A femoral member having a spherical head except for a small flattened portion (17) pivots in the bearing member. The parts of the joint are formed from a cobalt-chromium alloy.
Patent GB-986317-A (GB)
Title: Improvements in or relating to adhesive compositions for laminate structures
IPC: D21H19/22
Filed: 1963-01-15
Abstract: An adhesive composition comprises polyvinyl acetate to which has been added a minor proportion, e.g. 0.1 to 1.5% by weight, of a polyalkylenimine such as polyethylenimine. The adhesive composition may be used to laminate a non-regenerated cellulosic substrate such as paper, paperboard, cardboard or pasteboard to a layer of a non-aromatic olefin polymer such as polyethylene or polypropylene.
Patent GB-328210-A (GB)
Title: Process for the manufacture of aromatic amines from mixtures thereof
Filed: 1929-01-18
Abstract: 328,210. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). Jan. 18, 1929. Aromatic amines are separated from mixtures thereof by passing into the mixture, or its solution in an indifferent solvent such as benzene, toluene, chlorobenzene, o-dichlorobenzene, tetrahydronaphthalene, benzine, and the like, a current of dry hydrogen halide gas, filtering off the precipitated hydrogen halide salt of the strongest base present, and, if necessary, further treatment in the same maner, the components being separated as hydrogen halide salts in succession, according to their basicity. In examples, (1) mxylidine is obtained from crude xylidine in benzene solution by passing in dry hydrogen chloride, filtering off the precipitated salt, and subsequently the p- and oxylidines are obtained by similar treatment from the molten liquor; (2) as.- m-xylidine is separated as hydrochloride by passing hydrogen chloride into an artificial mixture of as.- and vic.-m-xylidines in benzene; (3) as-oxylidine is obtained in a similar manner from crude o-xylidine, and vic-o-xylidine is separated from the mother-liquor ; (4) p-toluidine is obtained similarly from crude toluidine dissolved in o-dichlorobenzene, the residue containing otoluidine; (5) 1 : 5-chloronaphthylamine together with a-naphthylamine, are obtained as hydrochlorides by passing hydrogen chloride into crude chloronaphthylamine in benzene solution, and 1: 8-chloronaphthylamine is obtained from the. residue.
Patent GB-285630-A (GB)
Title: Improvements in methods of and apparatus for refining metals
IPC: C22B13/06
Filed: 1927-01-21
Abstract: 285,630. Marks, E. C. R., (American Smelting & Refining Co.). Jan. 21, 1927. Dry processes of refining lead and other metals.-A molten metal such as lead is treated for the removal of impurities such as zinc by subjecting it to the action of a gaseous reagent such as chlorine in a reaction chamber through which the molten metal is repeatedly passed. The plant shown comprises a kettle for the molten lead and a pump 3 driven by a motor 2 for circulating the lead through a chamber 6 to which chlorine is admitted through a pipe 20. The dross of zinc chloride which forms may be confined within an iron ring 12 dipping into the lead and is removed by skimming. In a modification, the reaction chamber, pump, and motor may be formed as a single unit.
Patent GB-877609-A (GB)
Title: Method for the production of melamine
Filed: 1957-07-18
Abstract: Melamine is formed from solutions of dicyandiamide in pure liquid ammonia at concentrations of 44-97% by weight of dicyandiamide referred to total dicyandiamide and ammonia, at 133-205 DEG C. and 41-112 atmospheres pressure, the charging of the reaction vessel with dicyandiamide-ammonia solution, discharging of melamine, and discharging of excess ammonia by evaporation being continuous, the solid melamine precipitating from the solution being led from the reaction vessel in countercurrent to pure liquid ammonia.  The dicyandiamide solution is preferably saturated.  The evaporated ammonia may be liquefied and used for charging the reaction vessel with the dicyandiamide solution by volumetric displacement.  The melamine may be suspended in a hot stream of gaseous ammonia and separated in a cyclone.  A method is described for purifying the dicyandiamide starting material and preparing a mash thereof with liquid ammonia, the mash being preheated prior to injection into the reactor, preferably to obtain complete solution of the dicyandiamide. The process may be carried out in the apparatus of Specification 877,610 [Group III].
Patent GB-1129054-A (GB)
Title: Spinning or twisting apparatus
IPC: D01H1/241
Filed: 1967-01-13
Abstract: 1,129,054. Belt-tensioning devices. LINSERTEXTILMASCHINEN, G.m.b.H. 13 Jan., 1967 [15 Jan., 1966], No. 2083/67. Heading F2Q. [Also in Division D1] Spinning &c. apparatus comprises a plurality of spindles driven tantentially by a primary endless belt 10, which also drives the delivery rollers by a secondary belt 60 through pulleys 14, 27 on a shaft 69; the tension in the primary belt is adjustable by movement of the shaft by a tension control device to change the position of the primary belt pulley 14, a constant tension being maintained in the secondary belt whatever the position of the tension control device. The primary belt 10 is trained around four pulleys, e.g. 14, 15 to drive spindles arranged in two banks on opposite sides of the machine, one of the pulleys being driven by the vertical shaft of a motor at the opposite end of the machine from that shown. The pulleys 14, 15 act as tensioners for the belt; to this end, they are on a carriage 17 movable along rails 19 when a threaded rod 22 is rotated by a handle 21. The shaft 69 of the pulley 14 carries a second pulley 27 and drives it as the primary belt is moved. Around the pulley 27 and pulleys 31, 35 is trained the secondary belt 60. The pulley 31 is operatively connected to one of the two delivery rollers (24, 25, Fig. 1, not shown) through a vertical shaft, bevels and reversing-gearing. The tension in the secondary belt causes the pulley 31 to be driven and is automatically maintained constant, whatever the position of the carriage 17, by pulleys 36, 37 on pivoted arms 39, 40. These may act internally as shown, or externally, of the belt; in the former case, the pulleys are urged apart by a compression spring 42; in the latter case, they are drawn towards one another by a tension spring 43, (Fig. 5, not shown). The arrangement ensures that the " drawn " portion 60 of the secondary belt is always straight, thus avoiding irregularities in the drive transmitted to the pulley 31. The direction of movement of the primary belt can be reversed by known means, when this is done the rollers are caused to rotate in the feeding direction by means of the reversing-gear included in its drive.
Patent GB-1437045-A (GB)
Title: Process for preparing a linear polyester resin film
IPC: B29C48/91
Filed: 1974-01-16
Abstract: 1437045 Polyester films MITSUBISHI PLASTICS INDUSTRIES Ltd 16 Jan 1974 [18 Jan 1973 26 Sept 1973] 02116/74 Heading B5B A polyester film is obtained by coating a melt of the polymer on to a moving cooling surface, such as roll 3, to which a layer 5 of a liquid is applied by means such as a coater 4. The liquid must have a boiling point of 150-220 C. and a surface tension of less than 50 dyne/cm. at room temperature. The layer must be uniform and thin. The film is removed from the roll and biaxially stretched and heat-set. The longitudinal stretching is performed at a stretch ratio of 2À5 to 4À5 times and a temperature of 80 to 100 C., the lateral stretching at 3 to 4À5 times and 90 to 140 C. The heat-setting temperature is sufficient to remove the organic liquid from the film. The preferred polymer is polyethylene terephthalate.
Patent GB-1519735-A (GB)
Title: Methods of and apparatus for freeze-drying particles of material
Inventor: BRILLOIT J
IPC: F26B5/06
Filed: 1976-01-20
Abstract: 1519735 Mixing apparatus L'AIR LIQUIDE SA POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 20 Jan 1976 [22 Jan 1975] 02209/76 Addition to 1352950 Heading B1C Apparatus for heating or cooling, and agitating (or lyophilising) a mass of pyen or congealed particles comprises a drum 1 rotatable in a temperature-controlled bath 18 and fed from a storage freezer 39 through a shoot 33. Vapours pass through a screen 13 to a cyclone separator 9 having a condenser 10 where fines are collected in a sump 14. The drum has longitudinal mixing vanes 48 between which are guide vanes 49 arranged on a helical path (53, Fig. 4 not shown). The drum is rotated in the sense f 2  for mixing. When reversed to rotate in the sense f 1 , the guide vanes 49 carry the material to the feed and discharge end of the drum; where it is caught by the scoop 44 and dropped into a discharge shoot 34; a deflector is positioned at 45 during feeding and mixing and at 45' during discharging. The vanes 48 are of triangular cross-section and may be formed as an integral part of the drum wall, see Fig. 2 (not shown). Two drums may be used in series to submit the particles to different treatments, see Fig. 7 (not shown).
Patent GB-620486-A (GB)
Title: Improvements in or relating to supporting bands for garments
IPC: A41F9/02
Filed: 1946-01-23
Abstract: 620,486. Elastic bands for garments. FAULTLESS MANUFACTURING CO. Jan. 23, 1946, No. 2221. Convention date, June 12, 1940. [Class 141] An elastic, supporting band for a garment comprises a strip 1 of stretchable textile material folded around the edges of a flat strip 7 of sheet rubber to form a sheath, the inturned hems 2 and 4 of which approach each other without meeting. The sheathed rubber strip is sewn in stretched condition to a base of textile material 6 non-stretchable in the direction of the width, by a plurality of rows of stitches 8, 9, 10 and 11 which form in the sheath and rubber strip, arched cushions 13, 14, 15 on contraction of the stretched parts of the band. The base material 6 may comprise the edge of a garment having a narrow inturned hem through which at least one of the rows of stitches passes, or the band together with the base of textile material may be sewn to the edge of the garment in like manner. Where an elastic fabric is used for the garment, elastic stitching for the band is preferable. Specification 477,062 is referred to.
Patent GB-1535704-A (GB)
Title: Emulsified water-based composition and a method of preparing the same
IPC: A61K8/04
Filed: 1977-01-20
Abstract: 1535704 Aerosol compositions RISDON MFG CO 20 Jan 1977 [14 April 1976] 2282/77 Heading A5B [Also in Division C4] An emulsified water-based composition for carrying a powdered particulate solid, which is insoluble in both water and an anhydrous carrier liquid, to be dispensed from a pressurized aerosol container as a spray, comprises: A at least 20 per cent water measured by the weight of the composition; B at least 15 percent powdered particulate solid, measured by the weight of the composition; C an anhydrous carrier liquid comprising at most 50 percent of the composition measured by the weight thereof and consisting of or including a condensed aerosol hydrocarbon propellant gas; and D an emulsifying agent for forming an emulsion of the water and the carrier liquid in which the powdered particulate solid particles are dispersed.
Patent GB-1511994-A (GB)
Title: Apparatus for hanging a board
IPC: G09F7/22
Filed: 1977-01-20
Abstract: 1511994 Hanging signs NHK SPRING CO Ltd and OSAKA PREFECTURAL OFFICE OF MOTOMACHI 20 Jan 1977 [23 Jan 1976] 2283/77 Heading G5C A signboard 1 is fixed to a sleeve 9 rotatable on a shaft 10 and having an end cam 9a against which an end cam 11a, on an axially slidable sleeve 11, is urged by spring 12. Under sufficient wind pressure, board 1 and sleeve 9 rotate against the restoring force of the cam faces 9d, 11d until, eventually, surfaces 9c, lie can engage. The board then rotates freely until returned to the vertical under gravity when the wind drops. Cam 11 may be fixed while cam 9 slides and rotates.
Patent GB-762288-A (GB)
Title: Power pack for massage suit
IPC: A61H23/04
Filed: 1954-01-26
Abstract: 762,288. Massage apparatus. COMMONWEALTH ENGINEERING CO. OF OHIO. Jan. 26, 1954, No. 2389/54. Class 81(2) [Also in Group XXIX] Means for applying periodic pulses of pressure to a massage unit comprises a pulsation generator having a piston actuated directly by a double-acting piston of a hydraulic motor, supply of liquid to the motor being controlled by a solenoidoperated valve so as to give periods of actuation of the motor with intervening idle periods. The massage unit 36 is provided with legs 38, 39 and a receiver 40 of stretchable material secured to each of the legs. The receivers 40 are connected by a line 5 to a cylinder 1 in which works a piston 6 connected by a shaft 7 to a piston 8 of a hydraulic motor. A reversing valve 16 directs liquid' discharged by a pump 24 through lines 12, 13 to either side of the piston 8 on energization of solenoids 42, 43. On closing a switch 50, a motor 25 driving the pump 24 is operated, and the solenoid 42 is energized, moving the spool of valve 16 to the right to direct liquid through line 12 to move the pistons 8, 6 downwardly. At the end of the stroke the pressure in line 12 rises until a pressure-operated switch 18 is closed, which de-energizes the solenoid 42 and operates a timing motor 77. After a predetermined interval, motor 77 causes the completion of the circuit of solenoid 43, which moves the spool of valve 16 to the left, and pistons 8, 6 rise. Water is thereby forced through line 5 into the re-' ceivers 40 of the massage unit. When the pressure in line 13 has risen sufficiently, a pressure-operated switch 20 is closed, which de-energizes solenoid 43 and energizes solenoid 42, and the operation is repeated. The speed of operation of the piston 8 is controlled by the setting of a needle valve 34 disposed in a line connecting the discharge side of the pump 24 to a reservoir.
Patent GB-987259-A (GB)
Title: Adjustable stops for registering sheets of material in machines for intermittently transferring the sheets into and out of work stations
IPC: B65H9/06
Filed: 1962-01-23
Abstract: 987,259. Feeding sheets. SAMUEL M. LANGSTON CO. Jan. 23, 1962 [March 27, 1961], No. 2393/62. Heading B6B. [Also in Division B8]. A machine wherein sheets are separated one at a time from the bottom of a stack and subsequently fed intermittently from one work station to another by barbed grippers 50, as described in Specifications 987,232 and 987,233, is provided with adjustable front stops 54 to register a sheet prior to engagement by the grippers. The front stops are individually or simultaneously adjustable. In the former arrangement, a rotatable shaft 52 carries a plurality of spaced plates 56. A stud 68 projects from each plate and has a bracket 57 slidably mounted thereon. The latter supports a front stop 54. An arresting pin 78 projecting from the bracket 57, is maintained against a knob 76 at the free end of the stud, by a compression spring 74, said pin seating in one of a plurality of steps 80 formed on the face of the knob 76. The depth of the steps varies progressively, whereby each bracket and its associated stop 54 may be moved towards, or away from, the stack of sheets 20 by rotating said knob 76. Alternatively, the stops 118 (Fig. 7) are secured to a sleeve 100 rotatably mounted on a shaft 98. The sleeve is positioned on the shaft by collars 102, 108, the latter having a projection 112 engaging a cutout 106 in the sleeve, to limit rotational movement of the sleeve about the shaft. The shaft 98 is provided with flats 130 at each end on its upper and lower sides, which engage in a sliding fit, apertures 128 in the sides 122 of the machine frame. Eccentrics 134 extend through elongated slots 132 in each end of the shaft and are individually rotatable by knobs 156. Hence the. stops 118 carried on the shaft may be moved simultaneously either forward, or backward, or the shaft 98 moved to lie at an angle to the sides 122. In operation, the bottom sheet is fed forwardly below the barred grippers 50, being deflected downwards by a plate 58. After registration of the sheet against the front stops 54, a vertically reciprocating presser foot 92 rises to lift the front stops and impale the sheet on the barbs 50. Specification 974,660 also is referred to.
Patent GB-588122-A (GB)
Title: Improvements in or relating to electromagnetic wave guides
IPC: H01P1/06
Filed: 1945-01-30
Abstract: 588,122. Wave guides. BACON, G. E. Jan. 30, 1945, No. 2395. [Class 40 (v)] An arrangement for providing a pivotal connection between two wave guides comprises a wave guide section 10 formed with side flanges 11 which serve to support pivot bearings 16 carried by side flanges 19 on a second wave guide section 15. Arcuate flanges 17 on section 10 closely surround flanges 18 on section 15, the overlap being made a quarter wavelength to reduce leakage. The joint is made weatherproof by means of bellows 21 attached by clips 22 to circular flanges 20. The device may be fitted with a bracket having a hole or dowel pin aligned with the axis 16 to facilitate correct mounting relative to a piece of radar apparatus with which the device is to be used (Fig. 3, not shown). The arrangement may be used with a flexible wave guide as described in Specification 575,228.
Patent GB-763808-A (GB)
Title: Apparatus for separating fine and coarse powder particles from a mixture of such particles
IPC: B07B7/08
Filed: 1955-01-26
Abstract: 763,808. Centrifugal separators. SULZER FRERES SOC. ANON. Jan. 26, 1955 [Feb. 25 1954], No. 2396/55. Class 23. In a classifier comprising a centrifugal separating chamber having a lower conical part 3 discharging coarse particles into a hopper 4 and an outlet 5 discharging fine particles and gaseous carrier medium, additional gas is introduced at or adjacent the lower end of the conical part and flows upwardly through an annulus formed between the conical part and a member 9 centrally disposed within the lower part of the conical part. The additional gas, supplied by a pipe 17 to a chamber 16, passes to a further chamber 12 and thence around the lower edge of the conical part into the separating chamber. The member 9 is mounted on a rod 11, is axially adjustable, and may -be continuously rotated. Gas carrying the particles is drawn into the separating chamber through a volute 2 by a fan connected to a chamber 6 into which the outlet 5 discharges. A number of helical vanes 25 are placed within the separating chamber. In a modification (Fig. 3, not shown) additional gas from an annular chamber enters the separating chamber through a slot spaced from the lower edge of the conical part.