baber/WOPTO huggingface dataset:
Patent GB-343832-A (GB)
Title: Improvements in variable speed gears
IPC: F16H3/36
Filed: 1930-05-05
Abstract: 343,832. Variable speed gearing. BRASE, W., 34, Am Treptower Park, Berlin. May 5, 1930, No. 13778. Convention date, June 27, 1929. [Class 80 (ii).] Comprises at least one two-speed unit having a driving - pinion 7 adapted to engage either of two toothed rings 6, 4 inside a drum 1 which is supported in fixed bearings 2. The ring 6 is of the same size as pinion 7 so as to produce a clutch engagement. The ring 4 is larger, and when driven produces a reduced drive. The pinion 7 in passing between rings 4, 6 passes along a spiral toothed track 5. In Fig. 3, two units A, B are shown in series connected by a universally jointed shaft 21a. Each pinion 7 is supported in a bearing 8 which swings and slides on a guide-rod, not shown, under the control of a pin which, in speed changing, is advanced into engagement with a helix 15 on the outside of the corresponding drum 1. An arrangement is described suitable for driving a vehicle in which the driving-shaft 21 of the first unit A is driven through a bevel clutch reversing-gear, and in which the drum 1 of the second unit B drives a tail shaft through a clutch.
Patent GB-810640-A (GB)
Title: Digester relief system
IPC: D21C7/12
Filed: 1957-04-30
Abstract: 810,640. Gas filters. FOXBOROCO. 30 April, 1957 [May 11, 1956], No. 13787/57. Class 8(2). [Also in Group XIII] In a digester system (see Group XIII) in which a digester tank 10 is charged with wood chips and chemical liquor and steam is applied thereto through pipe 11 in a cooking process whereby gases are given off and the wood chips are reduced to a pulp, the gases flow from the top of the digester through a screen 14 to a pipe 15. If the screen becomes clogged (e.g. with wood fibres) the resultant reduction in the gas flow through the pipe 15 is sensed by a venturi 24 which initiates a " blow-back " of steam through a by-pass pipe 17 and into the top of the digester 10 to clear the screen therein. Steam at a higher pressure may alternatively be supplied to the pipe 17 from a header 18. The flow rate in the relief pipe 15 at which " blow-back " is initiated may change according to the stage which the process has reached.
Patent GB-1219963-A (GB)
Title: X-ray-film cassettes
Inventor: TONE FREDERICK FAHNESTOCK
IPC: G03B42/02
Filed: 1968-03-22
Abstract: 1,219,963. X-ray cassette. EASTMAN KODAK CO. 22 March, 1968 [24 March, 1967], No. 13863/68. Heading H5R. In an X-ray cassette 10, which comprises a pair of panels 12 each supported in a frame 14 hinged at 18 and closable to define a lighttight compartment for a sheet film, the frame is formed with a slot 22 for receiving a relatively flat tongue capable of presenting identification information to the film, and opague means 27 is arranged to prevent light leakage through the slot but is adapted to be deflected by insertion of the flat tongue into the slot. Means, e.g. lead plate 24, may be provided to reduce the effect of the X-rays on the region of film adjacent the slot. As shown in Fig. 2, the panels 12 have resilient means 29 secured to them to support the X-ray intensifying screens 25 and the film 20. Means 29 do not cover the region of the film adjacent the slot which region records the identification data, but a second resilient means, e.g. upper pillow 32 coated in slippery plastics material 33 and lower pillow 35 adapted to be substantially non-reflective to light either by a light-absorbing coating or filling, is arranged to support the film in this area. In a second embodiment, (Fig. 3, not shown), the resilient means is a metal spring, but in either case these second resilient means are sloped, e.g. as at 37 to facilitate the insertion of the tounge; the inserted tounge 23 may also be sloped as at 36 also to facilitate insertion. A sheet of lead 30 may be secured to one of the panels 12, which is behind the film during X-ray exposure to limit the back-scatter effect of ray which have passed through the film. If desired, the frame 14 may be formed of a resilient plastics material, and the panels 12 may be an integral part thereof. The hole 22 is preferably shaped so that the tounge 23 may only be inserted in a given orientation. The tounge 23 is preferably self-illuminating as is disclosed and claimed in Specification 1,219,964.
Patent GB-611780-A (GB)
Title: Improved control mechanism for variable pitch propellers
IPC: B64C11/42
Filed: 1946-05-08
Abstract: 611,780. Fluid-pressure servomotor-control systems; valves. GENERAL MOTORS CORPORATION. May 8, 1946, No. 13897. Convention date, June 27, 1945. [Class 136] [Also in Groups XXVI and XXXIII] A control mechanism for a variable-pitch propeller comprises a governor valve for controlling negative and positive pitch within respective ranges, a switch-over valve for changing between the ranges, the governor valve being held in a pitch-increasing position when the switch over valve is operated, and being automatically released when the change has been effected. The governor valve 40 controls flow from the main pump 87 to the pitch change cylinder 15, adjustment of the governor setting being made by movement of the pivot 47. Change over to reverse pitch is initiated by the cam 151 moving valve 140 and operating cam 175 to lock governor valve 40. Cam surfaces 131, 132, 133 move the valve 122 when pitch alteration has been made so that the governor valve is released. Valve 50 adjusts the pressure available for pitchchanging in accordance with propeller speed. Big variations in speed operate valve 70 to bring into effective operation the auxiliary pump 82. If an engine fails, the blades are feathered by moving the part 118 to the position 1181 rendering the governor valve inoperative. The pumps 82, 87 will be operated initially by the windmilling of the propeller, but as the speed and hence the liquid pressure falls further movement is completed by pressure from the accumulator 119 through the valve 90. As applied to a particular construction, many units of the system are mounted on a plate 201 (Fig. 7) in which the passages 21 &c. are formed. The governor valve 42 has the fulcrum 47 of its lever adjusted by the collar 225 operated by the screw 224.
Patent GB-1009062-A (GB)
Title: Improvements in or relating to innersoles
IPC: A43B13/38
Filed: 1962-04-11
Abstract: 1,009,062. Laminates. R. M. LEHNER and N. H. MIDGLEY. April 11, 1962 [April 13, 1961], No. 13922/62. Heading B5N. [Also in Division A3] A strip of laminated material from which insoles may be die-cut comprises a strip of fibreboard 55, a narrower strip 56 of fibreboard adhered to one surface and a narrower strip 51 of sponge rubber vinyl or plastic material adhered to the other surface. Specification 878,369 is referred to.
Patent GB-1029126-A (GB)
Title: Improvements in or relating to sheath-removing machines
Inventor: BREBANT CHARLES
IPC: G21C19/36
Filed: 1964-04-03
Abstract: 1,029,126. Dividing by a single blade. COMMISSARIAT A L'ENERGIE ATOMIQUE. April 3, 1964 [April 5, 1963], No. 13945/64. Heading B3W. [Also in Division G6] A machine for removing fuel element canning having a longitudinal axis, said machine comprising a device to move the fuel element parallel to its axis in relation to a cutting tool, and means to vibrate the cutting tool perpendicular to the fuel element axis. A work support slide 6 is adjustable on a machine bed 4 relative to the cutting tool 38, and movably carries the fuel element, which is vertically positioned in the machine. An electromagnet 28, supplied with a suitable halfwave A.C., oscillates a tool holder 40 in a cylinder 24. The working stroke " j " is varied by means of an adjustable backstop 46, 48. The working stroke is motivated by compressed washers 58, and the return stroke and washer compression by the electromagnet. The angle support plate 10 may be replaced by a set of bearings to enable the fuel element to be rotated when stripping canning from deformed fuel elements. It is normal to adjust the backstop 48 to leave a thin strip of canning uncut, which strip tears as the grooving proceeds; thus no chips of fuel are formed.
Patent GB-165390-A (GB)
Title: Improvements in and relating to electric switches
IPC: H01H1/18
Filed: 1920-03-11
Abstract: 165,390. British Thomson - Houston Co., Ltd., (General Electric Co.). March 11, 1920. Automatic circuit-breakers; contacts; magnetic blow-outs. - Rapid-acting automatic circuitbreakers have one contact of relatively small moment of inertia biased away from a second contact member of relatively large moment of inertia, the second contact-member being biased towards the first and so mounted as to have a combined longitudinal and tilting motion when the first contact member makes engagement therewith. The lighter contact-member 11 is biased by adjustable springs 26 away from the heavier contact member 13, while adjustable springs 14 press the heavier contact-member 1) towards the contact 12, the contact-member 13 being cradled in two pairs of pin-and-slot connections 15, 16 causing a wiping action between the contacts 12, 13 during closure of the switch. The contact-member 11 is moved to its closed position either manually by means of a lever 17, or electromagnetically by the. core of solenoid 18, the closing member comprising a cranked lever 20, the inner end of which bears directly on the lever 11. The contact-member 11 is retained in the closed position by the attraction of its armature 24 to the laminated core 21 of the electromagnet 22. An overload release of the type described in Specification 125,279 is provided, comprising a current-carrying conductor 25 mounted in an air-gap of the core 21. When the armature 24 is released, the lighter contact-member 11, springs rapidly from the heavier contact-member 13 thereby causing a quick break between the contacts. Anv arc formed at the contacts 12, 13 is at once blown upwards by a series-connected transversely arranged pair of blowout coils 27 wound around the laminated core 32, and is established between arcing-tips 29, 30. A narrow arc-shoot 38, Fig. 4, of insulating material is mounted above the switch contacts, a normally inactive blow-out coil 31 being suspended from a central partition 41 of the arc-shoot, the magnetic circuit of the coil 31 including a core 44, and thin metal plates 42, 43 mounted within the inner sides of the are-shoot 38. As the arc travels upwards along the sparking-tips 29, 30, it reaches a pair of metal tips 33, 34 which are connected to the ends of the coil 31, which thereby becomes energized. An insulating dividing-piece 35 now splits the are into two portions each of which is blown out by the action of the coil 31 through the two narrow passages in the arc-shoot. The arc-shoot 38 is mounted on rods 39, 40, and may be swung over to the left or right to permit inspection of the contacts.
Patent GB-823747-A (GB)
Title: Improvements in valves for receptacles adapted to contain a pressurised fluid, particularly a liquified combustible gas
Inventor: CHANFORAN BERNARD
IPC: F16K1/30
Filed: 1957-05-02
Abstract: 823,747. Valves. UNION DES GAZ LIQUIDES MODERNES. May 2, 1957 [May 18, 1956], No. 12992/57. Class 135. In a tap having a spigot 1 for attachment to a receptacle, e.g. for liquified gas, a union 2 for connection to an apparatus, a vertical fluid flow passageway 8 in the spigotedpart, and a valve element 4 for controlling the flow through the passageway, a safety device comprises a tubular element 9 fitted in the vertical passageway and having its lower end open and its upper part 9a of smaller cross - sectional area than the passageway at that part, the tubular-element also having an orifice 10 at its upper end and an orifice 11 below the end in the side, and containing two balls 12 and 13 held therein by lugs 14. In response to a fluid impulse of a predetermined intensity through the tap, e.g. caused by removing union cover 3 whilst the valve element 4 is in an open position, the balls ascend to seat on and close the orifices, whereas at normal flow rates the balls remain in the position shown. The longitudinal distance between the orifices is sufficient to allow both balls to be accommodated between them, such that when the receptacle and tap are inverted for emptying the balls collect at the inner end of the tubular element and leave the lateral orifice uncovered. The main tap closure member 5 is actuated by a screwed spindle engaging the valve cover. The valve member may be sealed against leakage by an O-ring engaging the bore of the valve body, and additionally in the fully open position shown, by an O-ring abutting the valve cover.
Patent GB-253122-A (GB)
Title: An improved process for the synthetic production of ammonia
IPC: C01C1/04
Filed: 1926-06-02
Abstract: 253,122. Uhde, G. F. June 4, 1925, [Convention date]. Catalytic agents, preparation of; ammonia, catalytic production of from nitrogen and hydrogen.-Compounds of iron and cyanogen in which the cation is aluminium are prepared for use as catalysts in the synthesis of ammonia. In an example, solutions of potassium ferrocyanide and aluminium chloride are mixed and heated and the product dried. The Specification as open to inspection under Sect. 91 (3) (a) describes generally the preparation of compounds of iron and cyanogen in which the cation is a metal other than iron. This subject-matter does not appear in the Specification as accepted.
Patent GB-475419-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04M15/10
Filed: 1936-05-18
Abstract: 475,419. Automatic exchange metering systems. AUTOMATIC ELECTRIC CO., Ltd., (in Liquidation), and BEALE, C. E. May 18, 1936, No. 14051. [Class 40 (iv)] In a system in which certain calls are metered in accordance with their duration, the timing apparatus is situated at a central point and sends back A.C. signals over the talking circuit to control metering apparatus at the originating exchange. The invention is described with reference to the control of metering at a sub-satellite. The call is extended via a satellite S, main office M and tandem office C at which the timing apparatus is associated with outgoing junctions together with means if desired for varying the metering charge in accordance with the time of day and for A.C. dialling and other optional features. When the called party replies, timing apparatus, which may comprise a self-starting induction motor or a uniselector stepped by ten-second pulses, is started at the tandem office, and the operation of the back-bridge relay D at the originating office initiates the operation of S and Z relays DA, DB which cause a meter controlling relay J (not shown) to be connected to a source of metering impulses in known manner. At the end of the metering operation DA is released and DB and P are locked-up. Shortly before the end of a unit time period, 800-cycle pips are sent back from Y at the tandem office and ultimately, if the call is not abandoned, a 50-cycle signal is sent from X. Preferably the outgoing circuit is disconnected and bridged while this signal is going back. At the originating office, the signal passes via a low-pass filter F and bridge rectifier MRA .. MRD to AC which shunts out DB. Since D is still operated the next S pulse energizes DA and the meter is actuated again as when the called party replied.
Patent GB-988043-A (GB)
Title: Improvements in or relating to linear copolyesters
Inventor: CONIX ANDRE JAN
IPC: C08G63/195
Filed: 1960-04-21
Abstract: Copolyesters are made by condensing an aqueous solution of an alkali metal salt of bisphenol A with the diacid chloride of orthophthalic acid and with the diacid chloride(s) of isophthalic and/or terephthalic acid, the diacid chlorides being dissolved in a water-immiscible organic solvent which is also a solvent or swelling agent for the copolyester formed. Catalysts for the reaction are quaternary ammonium, phosphonium and arsonium compounds and ternary sulphonium compounds. The organic solvent may be methylene chloride, 1:2-dichloroethane or chloroform.  The copolyesters are also soluble in 1:1:2-trichloroethane, sym.-tetrachloroethane, methylchloroform, dichloroethylene, tetrahydrofurane and cyclohexanone and mixtures of these with benzene or toluene.  The preferred copolyesters contain 45-65% of orthophthalate units and 55.35% of isophthalate and/or terephthalate units.  Uses.-Film and moulded articles.  Specification 902,021 is referred to.
Patent GB-1073833-A (GB)
Title: Die casting machine
IPC: B22D17/20
Filed: 1965-04-02
Abstract: 1,073,833. Die-casting machines. G. PERRELLA, and F. PICKER. April 2, 1965 [Sept. 29, 1964], No. 14135/66. Heading B3F. A die-casting machine of the gooseneck type has dies 20, 22, Figs. 3 and 4, which are mounted for reciprocating movement in guide means 28 supported on the machine frame. Means for delivering molten metal into the dies includes an injector assembly 84 which is pivotally mounted on the frame so as to bring the nozzle 94 into and out of engagement with a passage 164 in the dies. Means for aligning the nozzle 94 of the gooseneck 86 with the die passage 164 is provided by adjusting screws 118 which actuate on the arms 110 and 112 on which the gooseneck is pivotally mounted. The operational movements of the dies, the injection assembly and the injection plunger 174 are actuated by pneumatic piston and cylinder units 54, 100 and 180 respectively. Separate cooling means are provided for the dies, gooseneck and for the support plate B of the machine frame. Means for adjusting the die positions is provided in the form of a knob and lock-nut 66, 65 and a screwed sleeve 72 which is adapted to engage the lever mechanism 44 which actuates the dies, each die being adjusted independently. In the embodiment described, two die members 20, 22 and two core members 24, 26 are shown, but the operation is the same for each. The core members are positioned at right-angle to the die members, the guide means 28 being in the form of a cruciform member. Within the gooseneck of the injection assembly is positioned a check valve 192 to control the suckback of molten metal from the die and the influx of air into the gooseneck. An air line 204 attached to the gooseneck is provided to blow the finished casting from the die at the completion of each operation. The operation of the machine may be effected manually or automatically.
Patent GB-302083-A (GB)
Title: Improvements in or relating to brushes
IPC: A46B7/04
Filed: 1927-09-17
Abstract: 302,083. Williams, M. M. Sept. 17, 1927. Fixing by molten metal and like attachments and screwed sockets. - In a brush of the kind having a wire foundation for the bristles held in a block detachably mounted by a screw thread on a handle member, the block 12 is provided on the wire 10 by a moulding operation which at the same time forms the screw thread 13. The block is formed of Babbitt's metal or other mouldable material and may be tapered, and is received in a. threaded socket 15 in the handle 14.
Patent GB-131180-A (GB)
Title: Improvements in Electrical Apparatus for Detecting or Indicating the Presence of High Tension or Extra High Tension Sparks or Discharges.
Inventor: STELL NORMAN
IPC: H01H45/00
Filed: 1918-08-31
Abstract: 131,180. Stell, N. Aug. 31, 1918. Locating faults in insulation.-The occurrence of a high-tension spark, for example in testing the insulation of a cable, is indicated by a relay operated by the breaking-down of the resistance of a film of oil covering a mercury globule. A cable under test is passed around a pulley D having a cover D', between which and the cable a spark occurs when a fault passes on to the pulley. A high-tension transformer R is connected in series with the insulation of the cable and a mercury cup C, the mercury in which is covered by a film of oil O into which dips a point B<1> on the end of a spring arm B. In parallel with the spark gap formed between the point B' and the mercury is a circuit containing a source of current E, an electro-magnet M, and an inductance F. On the occurrence of a spark at the pulley D, a spark passes from the point B<1> to the mercury, breaking down the film of oil O, which remains broken, allowing the electro-magnet M to be energized from the source E, releasing an arm N which may carry a visual indicator or close the circuit of a bell, lamp, &c. at mercury cups N'. The inductance F prevents the high-tension diecharge from passing into the electro-magnet circuit. Resetting is effected by a cam G, which depresses the arm N and at the same time raises the arm B, allowing the oil film 0 to reform. In a modification, the spark gap B<1> is connected in series with a condenser and the secondary winding of a transformer, the primary winding of which is in series with the spark circuit. Specification 112,803 is referred to.
Patent GB-110179-A (GB)
Title: Improvements in Trepanning or Trephining Instruments.
Inventor: HOGLUND EMIL JOHN
IPC: B27B17/14
Filed: 1916-10-05
Abstract: 110,179. Hoglund, E. J. Oct. 5, 1916. Drilling - ma - chines. - Consists of a power driven instrument f o r trephining p u r - poses, combining a drill and a chainsaw cutting tool. The driving-shaft 6, which is secured to one end of a flexible shaft 3 driven by an electro-motor, is journaled in the handle 1 and carries at its front end a clutch member 12, whereby the drill 17, mounted on a clutch 15, is driven. A pin 16, entering a broad circular groove in the shaft 6, allows of the necessary axial movement. To control the depth of movement through the cranium, a stop-rod 19, Fig. 4, is screwed into a bracket 18 on the handle, adjustment being effected by a knurled head 20. The sawing device, to manipulate which an additional handle 10 at right-angles to the main handle is provided. comprises a chain-saw 25, Fig. 7, passing around a sprocket 13 mounted between two guides 11, 12, and at the lower end around a grooved guide 24 formed on an adjustable stem 22. A ball 30 on the end of a spring-controlled rod 27 bears on the upper side of the skull. In operation, a small hole is drilled through the skull, and the saw inserted in the opening; when the saw-cut has been started, the upper shoulder of the guide 24 i; pressed upwards against the inner surface of the skull by means of the spring-controlled ball 30.
Patent GB-1300450-A (GB)
Title: Sterilizing detergent composition for textiles
IPC: C11D1/94
Filed: 1970-03-24
Abstract: 1300450 Sterilizing detergent composition KAO SOAP CO Ltd 24 March 1970 [26 March 1969] 14211/70 Heading C5D A sterilizing detergent composition for textiles comprises (A) a water-insoluble quaternary ammonium salt having one or more C 8  to C 18  alkyl radicals and which is a toluene sulphonate, naphthalene mono-sulphonate or naphthalene disulphonate, and (B) an amphoteric surfactant of formula  wherein R is C 8 -C 18  alkyl or alkenyl, R<SP>1</SP> is C 1  to C 2  alkylene, X is H or CH 3 , M is an alkali metal ion, and n and m are integers of 0 to 5, the amount of said amphoteric surfactant being sufficient to solubilize said quaternary ammonium salt in aqueous solution. 0À5 to 4À0 part of (B) may be used per part of (A). Compounds (A) may be alkyldimethyl benzyl ammonium salts, alkyl trimethyl ammonium salts, dialkyl dimethyl ammonium salts, alkyl pyridinium salts and benzethonium salts. Sodium N-(C 14 - C 16  alkyl)-amino-bis-ethenoxy acetates are preferred compounds (B). Optional ingedients are anionic surfactants (including soaps), non-ionic surfactants, inorganic builders, organic builders fluorescent dyes and perfumes. The composition' may be a powder or aqueous liquid.