baber/WOPTO huggingface dataset:
Patent GB-239210-A (GB)
Title: Improvement in safety razors
IPC: B26B21/40
Filed: 1925-08-25
Abstract: 239,210. Lindgren, C. E., and Johanson, G. K. V. Aug. 26, 1924, [Convention date]. Razors; drying after use.- The shaft carrying the blade and clamping-plates of a safety razor is rotatably mounted in a sleeve forming the handle so that the blade and clamping-plates can be rotated to dry the parts after use. In the form shown in Fig. 1 the blade and clamping-plate 2 are carried on the shaft 3 which is rotatable and slidably mounted in the handle sleeve 5 by a ball-bearing 6 therein and a bearing in the bottom 8 of a cap 9 rotatable on the end of the sleeve, a spring 10 between the cap and sleeve acting as a pawl and allowing rotation of the cap in one direction only; a coiled spring 1 is arranged between the shaft and sleeve and is connected at one end 4 with the shaft and at the other with the cap 9 its bent end 29 engaging a hole in a disc 28 carried by the cap; the shaft 3 is fixed in the shaving position by a pin 12 thereon engaging a slot 11 in the sleeve and by rotating the cap 9 the spring 1 is placed under tension. The end 7 of the shaft 3 rests on a slidable button 13 arranged in the bottom of the cap 9 and by pressing the button inwards the shaft 3 is moved to disengage the pin 12 from the slot 11 and the coiled spring 1 rotates the shaft blade etc.; as the tension of the spring decreases it contracts and its end 29 becomes disengaged from the cap 9, thus allowing the shaft, blade, &c. to continue their rotation. Short sleeves 17 are arranged between the spring 1 and shaft 3. In a modification the shaft carries a roller around which is moved a string and which is housed in part of the handle sleeve when the blade &c. are in the shaving position. When part of the handle: sleeve is slid upwards to free the blade and clamping-plates, the roller is exposed and by pulling upon the string the shaft, blade. &c. are rotated; the roller may be replaced by a circular disc which may have a rubber ring, the disc and shaft being rotated by rapidly pulling the former along a table &c.
Patent GB-517422-A (GB)
Title: Improvements in or relating to aircraft
IPC: B64C9/32
Filed: 1938-07-19
Abstract: 517,422. Controlling aircraft. WESTLAND AIRCRAFT, Ltd., and PETTER, W. E. W. July 19, 1938, No. 21362. [Class 4]- The Handley-Page or like leading edge slat of an aeroplane wing is adapted to be tilted through a greater angle in relation to the main wing than that which is required to give maximum lift in order to act as a drag, particularly during diving. The. slats also may be interconnected with other known forms of drag producing elements such as rear flaps, split ailerons, or surfaces normally housed in the wing near the leading edge and adapted to be projected below the wing substantially normal to it. Fig. 1 shows a slat b pivoted at its leading edge to channel section members d guided by rollers e, f, an oil ram g pivoted between a pair of members d enabling the slat to be tilted through about 30 degrees. The slat may be pivoted to the members. d at an intermediate point of its chord and the ram may act on its leading edge, or as shown in Fig. 3 the oil ram may be replaced by a screw jack j the rear end of which can be rotated by a splined shaft m under control of the pilot. In other modifications a ram acts on the centre of a pair of toggle links connected to the slat and guide members d or it acts on a lever pivoted at one end to a member d. and sliding at its other end in a slotted member attached to the slat. Fig. 7 shows a slat having pin-and-slat connections 9, 10 with the members d at the forward end and intermediate link connections, 7. A ram g acting at the connection 8 of the link and slat a second link may replace the pin-and-slot connection. Fig. 9 shows a ram which actuates a rack 19 to turn a toothed quadrant 18 having lever arms 17 connected to the slat by links 15, the links being in the dead-centre position at both extreme ends of the movement. The rack and quadrant may be replaced by chains and sprockets or by worm and worm wheels. In another modification a quadrant secured directly to the slat is engaged by a worm on a shaft driven by bevel gear carried by the members d. The bevel gear is driven by splined telescopic shafts driven by bevel or chain gear under control of the pilot. In another modification the slats are not tiltable relative to the members d but the latter are tiltable by a ram. Fig. 14 shows a slat mounted on pairs of links one of each pair being constituted by a ram g. In all cases the lower part 7 of the slat remains in contact with the leading edge of the wing when acting as an air brake. In a form similar to Fig. 1 the front part of the slat is fixed to the members d and only the rear part is tiltable.
Patent GB-886243-A (GB)
Title: Improvements in and relating to gas extraction plants
Inventor: HUITSON ROBERT ROSS
IPC: F04D17/16
Filed: 1957-07-05
Abstract: 886,243. Centrifugal compressors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. July 4, 1958 [July 5, 1957], No. 21371/57. Class 110 (1). In a plant for extracting a steam-gas mixture including centrifugal compressors and at least one intercooler for the steam-gas mixture, automatic means are provided to prevent cooling of the mixture below a predetermined saturation point. This prevents condensation of the steam and therefore reduces the possibility of corrosion and surging of the compressors. Intercoolers C1, C2, C3 are located between successive compressor stages (not shown), cooling water being circulated through the intercoolers by a pump CP. The cooling water is itself cooled in a heat exchanger HE by a further supply of cooling water circulated through lines E1, E2. Thermostats SD1, SD2, SD3 located at the exit of each intercooler, control throttle valves RV1, RV2, RV3 respectively to regulate the flow of cooling water through the intercoolers so as to prevent an undue fall in the temperature of the stream-gas mixture being compressed. The throttle valves may be replaced by by-pass valves BV1, BV2, BV3. A single thermostat, located at the exit from intercooler C2, may be used to control a single throttle valve in either of the two cooling water circuits or a single bypass valve between the lines E1, E2 or ICMa, OCMa or across the pump CP or the heat exchanger HE. Combinations of throttle and by-pass valves may be used. The heat exchanger HE may be omitted, the lines E1 and E2 then being connected to the lines ICMa and OCMa. Specification 885,506 is referred to.
Patent GB-1060907-A (GB)
Title: Device for mounting in an aperture in a support
IPC: H01R13/74
Filed: 1965-05-20
Abstract: 1,060,907. Mounting two-part couplings. UNITED-CARR Inc. May 20, 1965 [July 21, 1964], No. 21403/65. Heading H2E. [Also in Division E2] An electric plug is mounted in a box-like body 10, the upper portion of which has an outwardly extending flange 22 which is interrupted at spaced intervals along two opposed walls of the body, by pairs of parallel spaced slots 24 and 26, each pair of slots defining a resilient ear 34 and 36 joined with the body at the bottom, and tapering from the free end to form a wedge-shaped ear, the inner surface of which is flush with the inside of the box-like body, and the free end having a width approximately the same as the flange. When the body is inserted into an aperture in a support panel, the ears are forced inwardly, and subsequently spring back to underlie the panel, the flange 22 overlying the opposite face of the panel. The plug body may be formed integrally with the box-like body, being joined thereto by web portions. The plug contacts may be held in the plug body by spring detents, and the plug body is provided with five apertures so that the pins may be arranged in a standard 2- or 3-pin plug array.
Patent GB-633120-A (GB)
Title: Improvements relating to the silencing of gaseous currents
IPC: G10K11/16
Filed: 1947-08-06
Abstract: 633,120. Silencers for firearms. SILTO SOC. ANON. Aug. 6, 1947, No. 21417. Convention date, Nov. 21, 1946. [Class 92 (ii)] [Also in Group XXVII] A silencer comprises a hollow body or a plurality of adjoined hollow bodies, the or each body being in the form of a portion of a cylinder, the section of which in a plane perpendicular to its generatrices includes a straight line portion and a portion of a curve of the second order having its concavity turned towards the straight line portion and wholly located on one side of the latter, the or a focus of the curve being located on or close to the straight line portion and the or each body further including an inlet conduit for a gaseous stream extending parallel to the straight line portion and transverse to the cylinder generatrices, the inlet conduit having its gas discharge end located at or close to the focus and including an escape outlet in the curved portion of the body wall in line with the inlet conduit. The invention is described as applied to an exhaust silencer for internalcombustion engines. Figs. 1 and 2 show such a silencer having three chambers 1 in series, although a silencer having one chamber only could be used. The exhaust gaess enter at 6 and pass in turn through the chambers 1, which are semi-cylindrical, to an outlet 5. Sound deadening material 7 is held in place by a metal netting partition 2. In a modification the sound deadening material is held against the curved surface 3 of the chamber 1 by a curved partition. Fig. 4 shows another modification. A chamber 9 is arranged to communicate with each chamber 1 through an opening 8. Alternatively there may be a separate chamber such as 9 corresponding to each chamber 1. In a further modification, Fig. 6, a partition constituted by two metallic woven meshes carrying between them asbestos, glass wool or iron scale is interposed between the chamber 1 and a second chamber having an outlet 12. The outlet 5 may be convergent in the direction of flow. The invention is applicable to intake silencers.
Patent GB-153140-A (GB)
Title: A cabinet for household implements and the like
IPC: A47B87/02
Filed: 1919-09-01
Abstract: 153,140. Sutton, S. Sept. 1, 1919. Cabinets.-A cabinet for brooms, brushes, dustpans &c. comprises back members b for attachment to a wall, a. top d formed of slabs, a shelf e having a slot g for a broom handle, a cross member h having slots m, k for the handles of brushes &c. and a shelf p having slots q, r, s for broom handles.
Patent GB-1415637-A (GB)
Title: Process for the catalytic hydrogenation of di-amino-phenyl-methane
IPC: C07B61/00
Filed: 1974-05-15
Abstract: 1415637 Preparation of di-(4-aminocyclohexyl)methane UPJOHN CO 15 May 1974 [25 June 1973] 21568/74 Heading C2C Di-(4-aminocyclohexyl)methane is prepared by hydrogenation of di-(4-aminophenyl)methane in the presence of a supported rhodium catalyst under a hydrogen pressure of 3 to 20 atmos., in the presence of a C 1  to C 8  alkanol and under a partial pressure of ammonia wherein the ratio of the pressure of ammonia to the total pressure is from 0À01 to 0À42. The catalyst may be regenerated by subjecting it to a flow of a gaseous mixture of oxygen and nitrogen at elevated temperature.
Patent GB-724370-A (GB)
Title: Improvements in pocket sprayers
IPC: A61M11/08
Filed: 1953-08-05
Abstract: 724,370. Powder distributers. HUSSEIN, I., and FLORJANCIC, P. Aug. 5, 1953 [Aug. 7, 1952 ; April 4, 1953], No. 21574/53. Class 18. [Also in Group XXIX] A pocket powder sprayer comprises a head piece 2 screwed to a powder container 1, and an extension 5 is threaded to receive a ring 7 secured to a sleeve 19. The extension is internally threaded to receive a member 16 integral with a plate 13 below which is arranged a packing ring 15. A cap 20 within the sleeve 19 is urged outwardly by a spring 25, and during operation is axially reciprocated with the operator's finger over an orifice 26 during the downward movement, thereby forcing air through a bore 18 in the member 16 and a bore 11 in the head piece to both the container and a passage 33. A tube (not shown) depends from a sleeve 36 to near the container bottom, and the powder is stirred up by the flow of air therefrom and is drawn through a nozzle 31 and ejected from an outlet 34. In the closed position Fig. 1, the ring 7 is screwed down on the extension and a packing ring 9 closes the outlet 34 ; a plate 21 of resilient material receives the grooved end of the member 16 to hold the cap in its innermost position and to seal the bore 18. Instead of the plate 21 a sheet metal cap with resilient edges may receive the member 16. The end of the sleeve 36 within the bore 11 is cut off obliquely, so that by turning the sleeve the air supply to the passage 33 and hence the powder delivery is regulated. An air passage 37, which is sealed by the packing 15 when the sprayer is operated, allows movement of the cap into the sleeve to close the device. In Fig. 7 the axial bore 51 is closed in the inoperative position by a valve cone 521 on a stem 52. In that position a ball 53 on the stem engages a ring 55 in the cap, and the valve cone is urged upwardly against a valve seat at the lower end of the bore 51 by the spring 25.
Patent GB-1220513-A (GB)
Title: Improvements in or relating to methods and apparatus for blow moulding
IPC: B29C49/76
Filed: 1968-05-07
Abstract: 1,220,513. Blow-moulding; nick-forming- KUREHA KAGAKU KOGYO K.K. 7 May, 1968 [24 May, 1967], No. 21631/68. Heading B5A. In a blow-moulding process for production of articles having a constriction, e.g. a neck portion, having at least one transverse dimension less than the parison diameter, the parison is laterally deformed in the region of the constriction to lie within the constricted area without pinching of the parison between the mould halves. As shown in Fig. 3, a guide member 5 is fixed at the top of mould half 1 and a cooperating guide 6 at the top of mould half 2, the guide members serving to deform the parison on closing of the mould halves about the parison.
Patent GB-1142167-A (GB)
Title: An electric motor driven fan
IPC: F04D29/10
Filed: 1966-05-16
Abstract: 1,142,167. Centrifugal fans. BROWN, BOVERI & CO. Ltd. May 16, 1966 [May 18, 1965], No.21649/66. Heading F1C. [Also in Division H2] An electric motor driven fan for circulating e.g. CO 2  at up to 75 atmospheres has a diffuser shaped as shown between the fan rotor 4 and outlet 11.
Patent GB-1106184-A (GB)
Title: Composition and process for making composite members
IPC: C04B35/52
Filed: 1965-05-21
Abstract: An oxidation-resistant composition consists of 1-50% by weight of one or more of Si, Ti, Zr, Cr or alloys based thereon, 1-35% of boron compound other than oxide and the remainder carbon. The carbon component may consist of 5-10% by weight of plumbago, 15-30% pitch or resins and the balance petroleum coke.  The mixture is shaped and carbonized and then heated to about 1800 DEG F. for at least four hours to form a slight glaze on the surface thereof.ALSO:An oxidation-resistant composition consists of 1-50% by weight of one or more of Si, Ti, Zr, Cr or alloys based thereon, 1-35% of boron compound other than oxide e.g. boron carbide or the borides of titanium or zirconium and the remainder carbon.  The carbon component may consist of 5-10% by weight of plumbago, 15-30% pitch or resins and the balance petroleum coke.  The mixture is shaped and carbonized and then heated to about 1800 DEG  F. for at least four hours to form a slight glaze on the surface.
Patent GB-214536-A (GB)
Title: Improvements in rotors for squirrel-cage alternating current electric motors
IPC: H02K17/18
Filed: 1923-08-28
Abstract: 214,536. Waygood-Otis, Ltd., (Otis Elevator Co.). Aug. 28, 1923. Alternating-current inductionmachines; conductors. - In squirrel-cage motors operated at different speeds by variation of the number of active poles upon the stator, the end rings of the rotor are provided with spaced slots 4 that extend at intervals partly around the ring and determine the resistance of the path between consecutive rotor bars according to the number of poles in operation. For a two-speed motor a single ring of slots 4 is provided, and for a three-speed motor an additional ring of slots 7 is provided. Alternate end rings are arranged so that their slots are relatively staggered. Radial slots 2 may also be provided extending nearly to the line of slots 4.
Patent GB-1018043-A (GB)
Title: Surface treatment of copper and its alloys and the use of treated products
Inventor: BONO DAVID
IPC: C25D11/34
Filed: 1964-05-26
Abstract: The surface of a copper or copper-base alloy film or sheet is anodically oxidized in an aqueous bath containing 30-60 g./l. of lithium hydroxide while employing a metal cathode not attacked by the bath.  The bath is preferably maintained at 70-85  DEG C., the anode current density is 3-6 amps./sq. dm., the cathode is of cadmium in a cloth bag, and agitation is provided by moving the film in a direction parallel to its surface.  As described, films of Cu-Ni-Mn alloy after degreasing with trichloroethylene are clamped to copper frames, the whole is pickled by dipping in nitric acid, rinsed, brightened in a concentrated sulphuric-nitric acid bath containing sodium chloride, rinsed, cathodically degreased using a soda-sodium cyanide bath and then electrolytically oxidized.  Alternatively the alloy film may be clamped to a steel support, wet sandblasted, rinsed, dried and then attached to a copper frame for electrolytic oxidation, the frame after use being pickled as described above.  The oxidized copper or copper alloy surface can be readily glued to insulating bases, as of resin-impregnated paper or glass fibre, with epoxy resin glues to form blanks for manufacturing printed circuits.
Patent GB-708019-A (GB)
Title: Improvements in and relating to electrical insulating material
IPC: H01B3/48
Filed: 1951-09-17
Abstract: 708,019. Laminated cellulosic materials; Impregnating for electric insulation. BRITISH THOMSON-HOUSTON CO., Ltd. Sept. 17, 1951 [Sept. 22, 1950], No. 21795/51. Classes 96 and 140 Electric insulation which is heat-and flameresistant, and which may be in laminated form comprises a fibrous base material in loose, agglomerated or in sheet form such as paper, cotton cloth or waste, alpha cellulose and generally cellulosic material in an amount of, for example 28 to 45 per cent. impregnated with sodium borosilicate in an amount for example of 5 to 13 per cent. and melamine formaldehyde resin in an amount for example of 40-60 per cent. is produced by treating the fibrous material with sodium silicate solution, e.g. at room temperature, and thereafter with a hot concentrated boric acid solution, e.g. at 80-100‹ C. followed by impregnating with melamine formaldehyde resin solution after which the material is formed into the desired shape and cured under heat and pressure.
Patent GB-1476939-A (GB)
Title: System and process for the control of a nuclear power system
IPC: G06F19/00
Filed: 1974-05-17
Abstract: 1476939 Controlling nuclear reactors COMBUSTION ENG Inc 17 May 1974 [22 May 1973] 22157/74 Heading G6C The description relates to controlling the operation of a nuclear power generating system and is substantially the same as that of Specification 1,476,937 the claims relating to predicting the violation of a design limit, preventing the violation of the design limit, and calculating an operating limit for the system with a built in margin sufficient to allow time for the prediction and prevention to be effective.
Patent GB-837236-A (GB)
Title: Improvements in or relating to spinning nozzles
IPC: D01D4/02
Filed: 1957-07-12
Abstract: Spinning nozzles for artificial filaments are made of alloys comprising 7 to 15% of iridium and more than 15%, but not more than 30% rhodium, the remainder being palladium.  The palladium may be replaced in amounts up to 15% by other platinum metals as well as by gold or silver or by rhenium.  The palladium may also be replaced by up to 10% by iron, cobalt, nickel, manganese, copper, indium and/or tungsten.  Nozzles made from alloys which have been soft annealed at temperatures ranging from 1100 DEG  to 1250 DEG  C. may be given a greater hardness by heat treatment at temperatures between 700 DEG and 900 DEG  C.ALSO:Alloys suitable for making spinning nozzles comprise 7 to 15% of iridium and more than 15% but not more than 30% of rhodium, the remainder being palladium.  The palladium may be replaced in amounts up to 15% by other platinum metals as well as by gold or silver or by rhenium.  The palladium may also be replaced by up to 10% by iron, cobalt, nickel, manganese, copper, indium and/or tungsten.  Alloys which have been soft annealed at a temperature ranging from 1100 DEG C. to 1250 DEG C. may be hardened by heat-treatment at temperatures between 700 DEG C. and 900 DEG C.
Patent GB-598021-A (GB)
Title: Improvements in anti-theft devices for pedal or motor cycles
IPC: E05B67/38
Filed: 1945-08-29
Abstract: 598,021. Cycle locks. MUNDY, A. E. Aug. 29, 1945, No. 22182. [Class 79 (iii)] In theft-preventing devices for cycles, of the type comprising a U-shaped yoke 1 adapted to embrace the wheel forks and spokes enclosed by a hinged bridge piece 3, the bridge piece is provided with an apertured flange 7 which in the closed position registers with the aperture 9, the hasp of a lock 10 passing through both apertures. The eyes of the hinge may be so shaped e.g., as at 2a in Fig. 8, that in the open position the bridge piece 3 is maintained in alignment with the arm of the yoke 1, whereby positioning of the device on the cycle is facilitated. The yoke may be covered with rubber or other material 12.
Patent GB-936930-A (GB)
Title: Improvements in or relating to the recovery of combined fluorine
IPC: C01B33/10
Filed: 1961-06-20
Abstract: Volatile fluorine compounds are removed from a solution containing them by heating the solution under sub-atmospheric pressure, and scrubbing the vapours obtained, which may contain, for example, HF, SiF4 and water vapour, with an absorbing liquid, e.g. water or dilute fluorosilicic acid, held at an elevated temperature under sub-atmospheric pressure.  The temperature of the scrubbing liquor is between 25 DEG  and 90 DEG C. depending on the vacuum used which can vary in the range 5 to 29 inches of mercury.  The fluorine content of the scrubbing liquor is maintained at 5-28% of fluorosilicic acid. The Specification is particularly directed to the concentration of dilute phosphoric acid obtained by treating rock phosphate and obtaining fluorine compounds from the vapours produced.  Other possible scrubbing liquors mentioned are an alkaline solution or organic absorbing medium.
Patent GB-1140515-A (GB)
Title: Dye sensitization of electrophotographic materials
IPC: C09B11/08
Filed: 1966-05-19
Abstract: 1,140,515. Sulphonated fluoresceins. MEAD CORP. 19 May, 1966 [28 May, 1965], No. 22366/66. Heading C4P. [Also in Division H1] The invention comprises mono- and disulphonated fluoresceins of general formula wherein R is H or K. They are prepared by sulphonating fluorescein by addition of fuming sulphuric acid to fluorescein, the temperature then being raised to 130‹ C. over 2¢ hours and held for 30 minutes. The cooled reaction product was extracted to obtain products (1) containing mainly mono-, (2) containing mainly di- and (3) containing a mixture of mono- and disulphonated fluoresceins. The dyes may be used in electrophotographic sensitizers, and are soluble in both aqueous alkali and acid solutions.