baber/WOPTO huggingface dataset:
Patent GB-720771-A (GB)
Title: Improvements in or relating to a protectively sealed brake assembly
IPC: F16D51/00
Filed: 1953-03-03
Abstract: 720,771. Brake drum seating arrangements. FAWICK, T. L. March 3, 1953 [March 5, 1952], No. 5858/53. Class 103 (1) In a brake assembly including a brake drum 10 secured to and rotating with the vehicle wheel 11, and a non-rotating brake hub 12, means are provided for closing and sealing the annular space between those two elements to prevent the ingress of water, mud or like foreign matter, and comprises a rigid sealing ring 15; resiliently mounted upon and sealed to one of the said elements and formed with an annular slip-seal surface, and a slip-seal ring 20 mounted upon and sealed to the other of the said elements and having an annular slip-seal face mating with the slip-seal face of sealing ring 15, resilient means 23 being provided for yieldingly holding the mating slip-seal faces in contact. Secured to the non-rotating brake hub 12 is a closure plate stamping 21 in which is housed the slip-seal ring 20, made of a brakelining material of high graphite content, which is in resilient contact, through compression springs 23, with a polished annular slip-seal surface on the rigid sealing ring 15. This ring 15 is floatingly secured against a rubber gasket 16 to the rotating brake drum by means of a flexible clamping ring 17, clamped at 18. Two modifications are described; the first being that the compression springs 23 are replaced by a sinuous annular spring; the second being that a sheet of rubber lining is provided between the flexible clamping ring 17; the sealing ring 15 and the brake drum 10 to allow a more resilient connection to be effected.
Patent GB-705782-A (GB)
Title: Improvements in or relating to driving arrangements for the thread traverse guides of devices for cross winding yarn packages
Inventor: FREUDENBERG ADOLF
IPC: B65H54/28
Filed: 1952-03-07
Abstract: 705,782. Winding yarn. BARMER MASCHINENFABRIK AKT.-GES. March 7, 1952, No. 6000/52. Class 120(2) The traverse drum 2 of a yarn crosswinding machine is driven at varying speed to avoid ribbon winding by means of a pair of wheels 4, 5 rotating at different angular velocities, the wheel 4 carrying a pin 7 about which a lever 6 is swung by the engagement of a follower 12 (not shown), in a cam groove 13 in the wheel 5. The lever 6 has a slot 8, on the opposite side of the axis of the shaft 1 from the pivot 7, the shaft 1 carrying the drum 2, in which slot engages a pin 10 and roller 9 which. drive the drum 2. In a modification. Fig. 3, the wheel 4 is attached to arms 16 and bridges 17 carrying the spindles 19 of planetary gears 21. These gears mesh with an annulus 23 slotted at 24 and oscillated to and fro by levers 6 rocked about pivots 7 (not shown), situated - eccentrically in a plate 27 carried by the arms 16, the levers 6 being rocked by eccentrics 13 driven by the wheel 5. Wheels 20 carried by the spindles 19 rotate the - shaft 1 carrying the transverse drum. This latter arrangement which is symmetrical is stated to develop no out-of-balance forces.
Patent GB-928671-A (GB)
Title: Improvements in or relating to photographic developers
Inventor: GANGUIN KARL OTTO
IPC: C07D215/20
Filed: 1960-02-19
Abstract: The Specification describes compounds of the general formula <FORM:0928671/IV(a)/1> and salts thereof, wherein R is an alkyl group of 1 to 6 carbon atoms, R1 is methyl, ethyl, hydroxymethyl or hydroxyethyl or R and R1 together form a pyrrolidine or piperidine ring, and X is methyl, ethyl, or an alkoxy or substituted alkoxy group of 1 to 6 carbon atoms, or where R and R1 complete a ring, X may be hydrogen.  They are prepared by oxidizing the corresponding N,N-disubstituted p-phenylene diamines with ferric chloride or potassium persulphate to replace the primary amino group by a hydroxyl group.  Alternatively, they are prepared by alkylating or hydroxy alkylating the corresponding p-aminophenols, for example with ethyl bromide, ethylene chlorohydrin, 1;4-dibromobutane or 1;5-dibromopentane.  In the case of the last two reagents, compounds wherein R and R1 together form a pyrrolidine or piperidine ring are formed.  The comounds may be obtained in the form of their hemisulphates, hydrobromides or naphthalene 1;5-disulphonate salts.
Patent GB-1517228-A (GB)
Title: Furnaces
IPC: F27D11/06
Filed: 1977-03-10
Abstract: 1517228 Electrically heated furnaces POST OFFICE 10 March 1977 [17 Feb 1976] 06119/76 Heading F4B [Also in Division H5] A furnace for heating straight elongate workpieces, e.g. a silica pre-form to enable a dielectric optical waveguide to be drawn from it, comprises a tubular graphite heating element 1 located within a casing 2, carbon foam insulation 3 partly filling the space between the heating element 1 and the casing 2, and means to prevent the ingress of air into the furnace. Iris diaphragms 14 and 16 are provided to enable the effective inlet and outlet areas of the furnace to be controlled. Inert gas, e.g. argon, is supplied to the furnace interior from a chamber 12 surrounding the outlet from the furnace, with the flow of inert gas into the chamber 12 through a pipe 13 being adjusted to prevent the ingress of air into the heating zone. The heating element 1, which includes a central portion 4 having a reduced wall thickness into which a helical groove 5 is machined, is either heated directly by passing a current through it or by a R-F heating coil surrounding it. As shown current is applied to the element 1 via water cooled electrodes 9 and 10, with top electrode 9 being mounted on a pair of aluminium discs 11. A graphite foil 6 acting as a heat reflector surrounds the element 1. The heating zone temperature is measured through a lens 17 using an optical pyrometer.
Patent GB-1459763-A (GB)
Title: Control systems
IPC: B23D36/00
Filed: 1973-02-07
Abstract: 1459763 Automatic control of speed MASSON SCOTT THRISSEL ENG Ltd 21 Dec 1973 [7 Feb 1973] 6126/73 Heading G3R In a system for controlling a driven continuous web and a nonlinearly driven cutter, a continuous integrator receives web speed and cutter speed signals and integrates their difference. The result is used to control one of the drives so as to maintain constant cut web lengths, as set e.g. by a variable impedance between one of the speed sensors and the integrator. As shown, motor 2 drives rotary knives 1 through non-linear link 4 to cut a web 5 e.g. paper into portions 6, the speed of motor 2 being controlled by comparator 14 according to the actual motor speed, from tachogenerator 10, and a desired speed obtained using a web speed signal from tachogenerator 13 via multiplier 17. The difference between the actual and desired motor speeds is also integrated at 12 to modify the speed control. The overall action of the system is to vary the speed of knives 1 in correspondence with the web speed, so that the cut portions 6 are of a fixed length, as determined by the gain of multiplier 17 i.e. by varying the input or feedback resistance of operational amplifier 18. In other embodiments, not shown, the web speed signal is obtained from a motor 9 driving the draw rolls 8, or this motor is controlled to a desired speed as derived from the sensed speed of motor 2.
Patent GB-567713-A (GB)
Title: Adjustable bath foot
IPC: A47K3/162
Filed: 1943-04-19
Abstract: 567,713. Baths. PATE, G., and CUNNINGHAM, R. April 19, 1943, No. 6207. [Class 26] An adjustable bath foot comprises an upper part 10 fixed to a snug 14 on the bath 11 by a bolt 13, and a curved lower part 12 attached to the upper part by a bolt 15 secured in an extended snug 10a on the upper part and penetrating a slot 18 in the lower part. The snug 10a is formed with a key part 16 engaging a keyway 17, which keyway is continued along the slot 18. The lower end 10b of the upper part fits over the lower part 12 to provide an additional bearing. The lower part 12 thickens downwardly, forming a curved wedge 19 on to which the bolt 15 is tightened, thus preventing upward slip and consequent loss of height of the bath.
Patent GB-1129314-A (GB)
Title: Improvements in or relating to golf clubs
IPC: A63B53/00
Filed: 1966-01-18
Abstract: 1,129,314. Golf putter. K. D. J. ROSS. 6 Jan., 1967 [18 Jan., 1966], No. 6310/68. Divided out of 1129313. Heading A6D. The invention provides a golf putter having a shaft one end of which is rotatably mounted in a socket formed in a rear face of a head of the putter so that the angle O between a longitudinal axis of the head at right angles to the direction of the putt and the major portion of the shaft can be adjusted to suit personal requirements, a pin being preferably used to fix the head to the shaft, the pin passing through a bore in the head and engaging said end of the shaft in the socket. The striking face of the putter may be convex and formed from a cylindrical block of aluminium alloy, and may have a blind bore at each end aligned with the longitudinal axis and into which head plugs are inserted to adjust the weight of the head. Figs. 2, 4 and 5 show the angle O and the construction of the head.
Patent GB-343327-A (GB)
Title: Means for separating particles from free water
IPC: B01D33/00
Filed: 1930-02-26
Abstract: 343,327. Filters. THORNE, C. B., Hawkesbury, Ontario, Canada. Feb.26,1930, No. 6386. [Class 46.] A rotary filter for separating particles from free water consists of a cylindrical cage 15 having radial screens 20 arranged in pairs and supported on a ring 24 rigidly connected by bolts 25 to the hub 16. The central shaft is in two parts, of which one part 34 is closed at each end and provides an annular inlet passage 38 from the head box 37. It also carries the driving wheel 41. The liquid flows from the passage 38 through the slots 18 and out through the screens 20 into the sewer passage 45, and this passage has a partition 46 to catch the first water which is not sufficiently filtered and return it to the head box. On a further rotation of the cage the particles are ejected from the screens 20 by spray pipes 49 and fall into the trough 48 and thence to the discharge pipe 33. The cage may be rotated uniformly or may be driven by a ratchet drive as shown in Fig. 4. The ratchet wheel 50 replaces the gear wheel 41 and is driven intermittently by the pawl 51 and crank 53. A float 67 in the head box 68 governs the pawl 51 by means of crank levers 55, 60 so that as the screens get clogged and the water rises the ratchet 50 is rotated until the level falls again. In an alternative form the screens are arranged in the form of annular discs round the axis instead of longitudinally.
Patent GB-1341164-A (GB)
Title: Machine tool
IPC: F16H57/04
Filed: 1972-02-11
Abstract: 1341164 Actuating slides SCHIESS AG 11 Feb 1972 [13 Feb 1971] 6430/72 Heading B3B [Also in Division F2] The driving worm 2 of a machine tool component which is moved by the worm engaging a fixed, toothed track is lubricated by lubricant which is fed to the flanks of the teeth, the supply of lubricant being controlled so that only the teeth in the vicinity of the worm are lubricated. Lubricant is supplied to the teeth via ducts 14 which are fed from a distributer duct 10, into which lubricant is allowed to pass when control valves 12 are opened placing the supply duct 10 in communication with a feed duct 8. A plurality of valves 12 is provided which divide the distributer duct into sections and permit lubricant to be fed only into the sections on either side of the valve and thence into the ducts leading from those sections of the ducts to the teeth. The valve 12 has a piston movable against a spring 11, the piston having a constricted section which when the piston is depressed, places the feed and supply ducts in communication. The pistons are depressed by a control bar carried by the machine tool, and which is of such a length that only the valves which control the flow of lubricant to the teeth in the vicinity of the worm are depressed. As the machine tool advances successive valves are opened and those corresponding to the sections passed over are closed. In an alternative embodiment, the valve piston has annular grooves which are connected by transverse and longitudinal ducts and which on depression of the piston communicate with the feed and distributer ducts. The ducts 14 may be provided with restrictors 27.
Patent GB-509135-A (GB)
Title: Improvements in rubbish receptacles
IPC: A24F19/04
Filed: 1939-02-28
Abstract: 509,135. Refuse and ash receptacles. KATZ, G. Feb. 28, 1939, Nos. 6572 and 6573. Convention dates, April 8, 1938, and July 20, 1938. [Class 26] [Also in Group VI] A rubbish or ash receptacle comprises a container 1 with a shoot 2<1> with a closure 13 rotatably mounted on a spindle 5 formed with a steep-threaded screw engaging a nut 3<1>, which in the construction shown is formed by a flange on a tube 3 carried by radial arms 4 in the shoot. On depression of the spindle 5 against a spring 7 by a handle 6, the closure 13 is lowered with it and at the same time rotated through a free-wheel drive formed by a ratchetwheel 10 and pawl 15, the drive allowing the closure to continue to rotate after the spindle is fully depressed so that matter deposited on it is thrown off into the receptacle by centrifugal force. In. a modified construction, the screwed spindle 7 extends up into the handle 6 and is rotatable in it, the closure is rotated through a noiseless free-wheel ball clutch, and the shoot is removably attached by a screw or bayonet joint to a ring cemented to the rim of the receptacle.
Patent GB-568321-A (GB)
Title: Improvements relating to the alkylation of paraffins with olefines
IPC: C07C2/60
Filed: 1943-04-23
Abstract: In a two-stage continuous process of isomerizing and alkylating normal paraffins, a feedstock containing them is caused to take up a proportion of halide catalyst and is contacted with a highly porous supporting material fully charged with the catalyst under isomerization conditions of temperature, pressure, and contact time, the reaction mixture and catalyst leaving the isomerization zone are mixed with an olefin and passed to an alkylation zone containing highly porous supporting material under alkylating conditions and the resulting mixture fractionated to separate the alkylate from components adapted for recycling to the isomerization zone.  The isomerization may be effected as described in Specification 556,894 in the presence of a porous granular supporting material continuously impregnated with aluminium chloride vapour entrained by the paraffinic feed in passing through a saturator packed with the halide.  Thus, a normal butane fraction is passed together with hydrogen chloride through the saturator and then through a reactor containing activated carbon or alumina or bauxite, under the preferred conditions disclosed in said prior Specification, whereby the support is impregnated with aluminium chloride and isomerization occurs.  When the product contains equimolecular proportions of n- and iso-butanes, it is fed, together with its catalyst content, to an alkylator also packed with supporting material.  Olefine such as ethylene in substantially less than equimolecular proportion is also fed to the alkylator whereby reaction is effected by the supported halide catalyst formed.  The product is fractionated to separate alkylate from butanes and hydrogen chloride which are recycled.  The isomerization or alkylation or both stages may be effected either in liquid or vapour phase and at atmospheric or increased pressure. Temperatures in the first stage are generally 50-150, and in the second 0-100 DEG  C.  In an example, normal butane is passed at the rate of 20 vols. of vapour per minute with 0.4 vols. of hydrogen chloride through an aluminium chloride saturator, and thence through an isomerizer packed with granular roasted bauxite, both at 110 DEG C.  The exit stream containing 45 per cent isobutane, 2.2 per cent by weight of aluminium chloride vapour, and hydrogen chloride is fed, together with ethylene at the rate of 5 vols. per minute, to an alkylator similarly packed at 85 DEG  C.  The alkylate is chiefly hexanes, essentially 2,3-dimethylbutane, with some isopentane and higher paraffins.
Patent GB-452302-A (GB)
Title: Improvements in and apparatus for the manufacture of alkaline liquors or salt solutions
IPC: C01D1/04
Filed: 1935-03-02
Abstract: <PICT:0452302/III/1> In decomposing liquid alkali metal amalgams by means of a liquid comprising water, the amalgam and the liquid are lead in countercurrent consecutively through a plurality of chambers essentially separated from each other.  As shown, water enters a chamber a<1> at b and flows through the succeeding chambers a<2>, a<3>, a<4> and a<5> via cascades d<1>, d<2>, d<3> and d<4> finally leaving at c in the form of caustic alkali, while the amalgam enters at e and flows in counter current through the pipes g<1>, g<2>, g<3> and g<4>, mercury leaving a b.  According to a modification the cascades may be replaced by pipes of a small diameter.  According to a further modification, a series of separating walls are arranged in a long, slightly inclined cell, water falling in cascades from one chamber to the next while the amalgam flows in the opposite direction through slits &c. provided in the lower part of the separating walls. Caustic alkali solution of different concentration may be withdrawn from the chambers by means of overflow pipes.  An example relates to the production of aqueous caustic soda from a sodium amalgam.  Alkali metal salts may be obtained by decomposing the amalgams by means of aqueous acids.
Patent GB-957126-A (GB)
Title: Improvements in or relating to optical systems
IPC: G02B17/08
Filed: 1962-02-20
Abstract: 957,126. Reflecting objectives; cameras. AMERICAN OPTICAL CO. Feb. 20, 1962 [March 8, 1961], No. 6615/62. Headings G2A and G2J. The curved real image formed by a catadioptric objective including a concave mirror and aberration correcting element(s) coincides with the larger end of a tapered fibre bundle against the smaller end of which a photographic film may be placed in optical contact. As shown, a photographic camera has a reflecting objective formed by a concave mirror 86 and aberration correcting no-power meniscus doublets 80, 82 forming a curved real image at the concave face R 11  of a transparent spacer which serves to support the larger end of a tapered fibre bundle 92, across the smaller end of which a film F s  is fed from reel 99a to reel 99b. These reels are in a detachable housing 98 to which is pivoted at 94a a frame 94 provided with a film guiding roller 93, pressure plate 97 and tensioning roller 104. Pivoting of the frame to release the film during movement or to press plate 97 against it during picturetaking, is effected by external operation of a shaft 101. The rear wall of the frame has an aperture. which embraces the smaller end of the film bundle 92 so that the film F s  can be in optical contact therewith. In a modification, the film is fed through a tunnel formed of opaque material and provided with an opening to fit closely over the smaller end of the fibre bundle. Optical data are given for the optical system shown and for another system in which the correcting elements are simple lenses. This other system is shown in a camera using cut film which is held in optical contact with the smaller end of the fibre bundle as by mineral oil. A cap may also be provided to cover this end of the fibre bundle and it may be held in place by a thumb screw on a spider-like frame.
Patent GB-1304619-A (GB)
Title: Electronic control system for internal combustion engine injectors
IPC: F02D41/32
Filed: 1970-02-11
Abstract: 1304619 Fuel injection systems SOC DES PROCEDES MODERNES D'INJECTION SOPROMI 11 Feb 1970 [26 Feb 1969] 6671/70 Heading G1N In a fuel injection control system as claimed in claims 1 and 2 of the parent Specification, the delay circuit includes, in addition to the unijunction transistor T805 and the capacitor 806 claimed in claim 2 of the parent Specification, a fixed high frequency relaxation oscillator 29 whose output pulses are shaped into rectangular pulses in a circuit 30, the frequency of the rectangular pulses being that of the frequency of the oscillator but their duration being determined by the main engine operating parameter, e. g. intake pressure, as by the value of a variable capacitor 157, Fig. 5 (not shown), and the rectangular pulses being applied to charge the capacitor 806 until its potential is in a predetermined relationship with the voltage at 801 determined by other engine operating parameters, when the injection period is terminated. As shown, the oscillators 29 is operated in accordance with operation of the bistable multi-vibrator 12, but in a modification, Fig.2 (not shown), the oscillator 29 is operated continuously and an AND gate, operated by the multi-vibrator 12, inserted between the signalshaping circuit and the capacitor 806 in circuit 31.
Patent GB-165911-A (GB)
Title: Improvements in and relating to moulding concrete and the like and other articles
IPC: B28B1/08
Filed: 1920-03-05
Abstract: 165,911. Jagger, P. B. March 5, 1920. Shaking and jigging machines.-In a shaking or jigging machine of the kind in which the concrete or the like or other material is moulded in receptacles placed on a platform which is caused to vibrate horizontally and is also subjected to vertical blows, the consolidation of the material is effected under diminished atmospheric pressure. A chamber D is secured to the platform B and is connected to a suction apparatus E by means of a pipe H and to a device G for feeding the material to the receptacles by means of a pipe F. To accommodate the chamber to the jigging motion of the platform, the chamber may have flexible walls or alternatively rigid walls and flexible pipes H, F.
Patent GB-397395-A (GB)
Title: Improvements in the process of tempering glass by jets of air directed at right angles to the surface
IPC: C03B27/052
Filed: 1933-03-06
Abstract: 397,395. Tempering glass. SOC. ANON. DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE ST. GOBAIN, CHAUNY, ET CIREY, 1<bis>, Place des Saussaies, Paris. March 6, 1933, No. 6763. Convention date, March 24, 1932. Addition to 361,277. [Class 56.] Relates to the method of tempering sheet glass, described in the parent Specification, in which the jets ot air for chilling the hot glass are given a circular movement in planes parallel with the glass sheet. According to the present invention, the jets consist of apertures in two discs each of which is housed in an air conduit and is rotated in its own plane. In the construction shown, the jets consist of orifices c in a circular plate b arranged vertically in the wide end of a bell d fitted to a conduit f through which air is blown. The plate is connected by arms h with a shaft g which is arranged at right-angles to the plate and is rotated by suitable means. A frame p, formed on the front of the bell d, supports a removable diaphragm q having an opening corresponding in size and shape to the sheet of glass a which is being tempered. In a modified construction, the apertures c in the plate are furnished with nozzles. In another construction, the jets are formed by radial slots, adjustable covers being provided to enable the size of the slots to be varied.