baber/WOPTO huggingface dataset:
Patent GB-914600-A (GB)
Title: Apparatus for the treatment of textile materials
Inventor: BRUNT NORMAN
IPC: D06B23/16
Filed: 1960-09-24
Abstract: Apparatus for treating textile material with steam under pressure, comprises three adja <PICT:0914600/IV (b)/1> cent chambers, namely a first chamber 1 fitted with a conventional air supply 2 to maintain a pressure of air therein and adapted to accommodate feed roll 3 and take-up roll 4 for the material: a second in termediate diffusion chamber 5 having an escape valve 6, and a third chamber 7 fitted with a conventional steam supply 8 to maintain pressure of steam therein and containing appropriate rolls 9 or like means for carrying the material, the chambers having intercommunicating orifices 10 which closely fit the material whilst permitting its passage therethrough. In use steam is admitted to chamber 7 and air to chamber 1 at substantially the same pressure and the escape valve 6 is regulated so that the pressure in chamber 5 is slightly below that in chambers 1 and 7. Thus there is a slight bleed of steam from chamber 7 which prevents the ingress of air.  Automatic means 13, 15 and 17 control valves 6, 11 and 12 respectively, to maintain the conditions in the three chambers.  With this arrangement it is necessary when the feed roll has become empty to release the air and steam pressures so that the first chamber can be opened.  In a second embodiment this is overcome by having the feed and take-up rolls outside the chamber and a continuous pin track inside chambers 1, 5 and 7 on to and from which the material is led.  For this purpose pressure-tight openings 22 (Fig. 3) have to be provided in the wall of chamber 1.  Such openings may comprise a fixed strip 24, preferably of polytetra fluorethylene, and a moveable strip 25 which is urged against material 23 by resilient means such as air pressure acting against a rubber sealing ring 26.
Patent GB-1055868-A (GB)
Title: Rotary hearth furnace
Inventor: GAABS SIEGFRIED
IPC: C21D9/00
Filed: 1965-08-02
Abstract: 1,055,868. Rotary hearth furnaces. LOKOMOTIVBAU - ELEKTROTECHNISCHE WERKE " HANS BEIMLEB." VEB. Aug. 2. 1965, No. 32895/65. Heading F4B. A rotary hearth furnace for heat treating tubes of metal, ceramics, synthetic plastics or slag comprises an intermittently rotated annular hearth 3, a stationary upper section carrying heating elements, pairs of rollers 4 with journals 4a extending through the hearth wall 3a, and a doubletoothed crown-wheel 8 arranged round a central hollow pivot 2 and driving said rollers to rotate the tubes 12 as the hearth rotates. The driven journals 4a have axes intersecting at the centre of rotation, the axes of the remainder extending tangentially to an imaginary circle round said centre and having a radius equal to the spacing of the rollers. The individual pairs of rollers are connected by a chain drive 10 and a bevel wheel 7 on the driven journal engages said crown-wheel 8. The latter is driven by an electric motor through an infinitely variable gear-box 9 and through the underside of said crown-wheel 8. The tubes are loaded through a door 14 lifted by gearing 13 and discharged through a side spring 16, Fig. 3 (not shown), by an hydraulically operated ram 15. The hearth which is driven by a motor through conventional gearing may be lowered for repairs after removing supports 17. The upper heating section may be supported from the pivot 2 and from the foundations by devices (not shown). The sequential operation of doors, hearth drive, charging and discharging &c. may be controlled through relays in a conventional circuit.
Patent GB-980138-A (GB)
Title: Improvements relating to mechanical excavators
Inventor: BROCKLEBANK NORMAN
IPC: E02F3/42
Filed: 1962-08-28
Abstract: 980,138. Shovelling machines. PRIESTMAN BROS. Ltd. Aug. 26, 1963 [Aug. 28, 1962], No. 33006/62. Heading E1F. In an excavator of the type convertible from a face to a back hoe shovel excavator having a bucket-carrying arm pivotally mounted at 29 on the outer end of a boom, the boom comprises two telescopic parts 4, 9 which can be locked together by suitable bolts or pins 36, 37, 38 in an extended or a retracted position. The inner part 4 consists of two closed box sections 22 joined by a bottom plate 23 to form a trough in which the outer part can slide. The outer boom part 9 is constructed in conformity with the invention of the referred to Specification 980,137, whilst the bucket can be attached to the arm in conformity with the invention of the referred to Specification 966,719.
Patent GB-380305-A (GB)
Title: Improvements in exhaust silencers
IPC: F01N1/12
Filed: 1931-11-28
Abstract: 380,305. Exhaust silencers. BRETSCHNEIDER, J., Wilsdruff, Saxony, Germany. Nov. 28, 1931, No. 33015. Convention date, Nov. 28, 1930. [Class 7 (ii).] The exhaust pipe 1 enters the convolutions of a spiral chamber 2 in such a manner that the gases are divided into a number of separate spiral streams one or more of which, on emerging from one convolution, mingle with the gases directly entering the next succeeding convolution. The gases may flow from the centre outwardly or vice versa, and the pipe 1 may enter the convolutions at right-angles to the axis thereof, parallel thereto or inclined. In the construction, Figs. 4 and 6, the spiral sheet 11 is closed by covers 4 lined by sheets of asbestos 5, and is fixed at the side edges by bolts 12 riveted to the outside convolution and to distance plates 13. The exhaust pipe 6 enters parallel to the axis, and its end is closed by a plate 7. The pipe is cut away at one side so as to open towards four of the convolutions, and these are cut away to open towards the pipe. The gases are therefore divided into four parts which travel in a helical path both towards the other side edge and the outer convolution which has several outlet openings 8 surrounded by a triangular hood 9. The gases ultimately escape through a pipe 18.
Patent GB-1036519-A (GB)
Title: Dimerization of acrylonitrile
Filed: 1964-08-13
Abstract: Acrylonitrile is dimerized in the presence of, as catalyst, at least one of the tertiary phosphines tri-(p-tolyl) phosphine, 1,2-bis-(diphenylphosphino) ethane, 1,3 - bis - (diphenylphosphino) propane or triphenylphosphine.  The dimerization may be performed in the absence or presence of solvents, preferably in an inert atmosphere and under substantially anhydrous conditions, and it is advantageous to have an antioxidant, e.g. hydroquinone, present in the reaction mixture.  Preferred solvents are those containing hydroxyl groups, most preferably those tertiary hydrolytic compounds of the formula <F\1> wherein A is carbon or silicon and R's, which may be the same or different, are hydrocarbyl.  The major product of the process is 2-methylene glutaronitrile, as in the main patent Specification No. 1,018,220, but substantial amounts of 1,4dicyano-1-butene are also formed.
Patent GB-1151180-A (GB)
Title: Dual Breaking System Safety Device
Inventor: TURCHAN JOHN ANDREW
IPC: B60T17/22
Filed: 1967-07-18
Abstract: 1,151,180. Hydraulic brakes; brake indicators. WEATHERHEAD CO. 18 July, 1967, No. 33049/67. Headings F2E and F2F. [Also in Division H1] A switch for use in a dual fluid system comprises a housing having a bore 24 therein, a first fluid inlet 27 at one end of the bore and a second fluid inlet 28 at the other end of the bore, piston means making electrical contact with the housing and slidably mounted in the bore between the fluid inlets the piston means comprising first and second axially spaced sealing portions 58, 60 and a portion 62 of reduced diameter therebetween, switch means mounted on or in the housing and being electrically insulated therefrom having a stud 75 projecting into the bore 24 intermediate the sealing portions 58, 60 and operable by the piston means to provide an electric signal when the piston means moves in either direction in the bore from a central position and spring means 65, 66 to bias the piston means to said central position, whereby a pressure differential between the first and second inlets is operable to shift the piston means to produce the electric signal. As described the piston member is in two parts, comprising a first piston 57 having a recess in the back of its head, into which fits an elongated shank 62 formed on a second piston 61. The switch member 75 is connected to an external terminal 79 and supported from a screwed bushing member 70 by means of insulating sleeves 72, 78. The springs 65, 66 are held in position by means of loose fitting plugs 31, 44, respectively, received in enlarged end portions of the bore 24, the plugs having conical outer end portions and being retained in position by inverted flare type fittings for connection to the hydraulic lines. The arrangement is intended for use in a dual hydraulic brake system for a vehicle having a single master cylinder with two pistons, the two fluid outputs of which are connected to the fluid inlets 27, 28, respectively, the housing being provided with outlets 38, 39 and 48, respectively, for connection to a pair of front brakes and a rear brake line, respectively: terminal 79 is connected to a warning lamp which, upon operation of the brake pedal, provides an indication if either fluid system is defective (Fig. 1, not shown).
Patent GB-1316019-A (GB)
Title: Process for purifying pivalolactone and or betapropiolactone
IPC: C08G63/08
Filed: 1971-07-14
Abstract: 1316019 Purification of #-lactones TEIJIN Ltd 14 July 1971 [14 July 1970] 33073/71 Heading C2C α,α - Dimethyl - # - propiolactone and/or #-propiolactone are purified by contact thereof with a solid alkaline earth metal hydroxide. The #-lactone is preferably contacted with the hydroxide at a temperature of from 10 to 80 C. for at least one minute.
Patent GB-190139-A (GB)
Title: Improvements in power plants, particularly for locomotive engines
IPC: B61C9/14
Filed: 1922-12-04
Abstract: 190,139. Universal Engineering Corporation, (Assignees of Robson, J.). Dec. 12, 1921, [Convention date]. Automatic power control. - In an hydraulic transmission gear of the swash-plate type, in which two driving swash plates are carried by parallel shafts driven from a common prime mover, and in which the inclination of the swash plates is varied to control the gearing by sliding reds 82 operated in unison from a hand wheel through bevel gear 98, screw-and-nut gear 95, and a lever 88, an automatic adjustment of the swash plates, independently of the hand wheel, is provided for in the event of overload of the prime mover. A piston depending from the fulcrum 90 of the lever 88 works in an hydraulic cylinder subjected to the pressure of the oil in the gearing. In the event of overload, the lever 88 is moved bodily in guides 103 against the action of a spring 111, and thus by reducing the inclination of the swash plates sets the gearing for transmitting reduced power. Specifications 13894/07, 13895/07, and 13897/07, [all in Class 69, Hydraulic machinery &c.], are referred to.
Patent GB-1506094-A (GB)
Title: Bearings
IPC: E01D19/04
Filed: 1976-08-11
Abstract: 1506094 Bearings; lubricating GUTEHOFFNUNGSHUTTE STERKRADE AG 11 Aug 1976 [24 Sept 1975] 33358/76 Heading F2A A slide bearing for heavy structures comprises opposed bearing members, one of the bearing members comprising an elastomeric mass 1 with internal reinforcement 2, a metal plate 3 secured to the elastomeric mass, and a 3-10 mm. PTFE plate 4 carried by the metal plate, the PTFE plate having lubricating pockets 5 which face a slide surface 7 of the other bearing member 6, the other bearing member being slidable relative to the one bearing member in the plane of its slide surface.
Patent GB-506324-A (GB)
Title: Improvements in or relating to centrifugal pumps
IPC: F04D29/22
Filed: 1938-11-16
Abstract: 506,324. Centrifugal pumps. NIJHUIS. G. J. Nov. 16, 1938, No. 33373. [Class 110 (i)] An impeller has the outer leading surface 12, Fig. 3, of one blade parallel with or at a small outward converging angle to the inner leading surface 8 of the following blade while in each blade 9 the inner rear surface 14 is concave and merges gradually into the outer part'13 which is parallel with or at a small outward diverging angle to the surface 12. Surfaces 8 and 12 are substantially flat or slightly curved and these surfaces meet in a line 10 which is further from the axis than the adjacent part of surface 12. The pump has an inlet opening 2, Fig. 2, merging into an annular passage. communicating with a fixed distributer 3.
Patent GB-193563-A (GB)
Title: Improvements in pneumatic tools
IPC: B25D9/20
Filed: 1921-12-13
Abstract: 193,563. Rehfeld, E., and Deutsche Werke Akt.-Ges. Dec. 13, 1921. Percussive hand tools. -During the early part of the power stroke the fluid-operated sleevevalve 3 of a percussive tool is held in the position shown by the pressure fluid acting through ports 11 on the upper side of the flange 12. Near the end of the power stroke, the uncovering of port 25 opens the passage 13 and allows pressurefluid to act below the surface b and reverse the valve, which is then held in the raised position by pressure on the lower face of the flange 15, communicated through the passage 9. The raising of the valve also opens the surface a to pressure by means of the passage 10, which pressure, aided by the cushioning pressure as the piston returns, reverses the valve. The extra exhaust port 27 is required only with short stroke tools.
Patent GB-372735-A (GB)
Title: An improved automatic gas shutting device
Filed: 1930-11-07
Abstract: 372,735. Thermally-actuated valves. LINDEN, P., 19, Zeisigweg, Lichterfelde, and SCHANZER, F., 218, Friedrichstrasse, both in Berlin. Nov. 7, 1930, No. 33508. Convention date, Nov. 7, 1929. Void [Published under Sect. 91 of the Acts]. [Class 135.] A thermally-actuated safety cut-off valve for gas burners is held open against the action of a spring by a catch connected to a thermal element through means which permit movement of the thermal element after the catch has been engaged. A catch disc b having a locking recess f and loaded by a tension spring d is provided with a pin c adapted to be engaged by the operating handle A of the cock which is operable between stops e, el. A pivoted catch h loaded by a spring i is adapted'to be held in engagement with the recess f by a projection m on a disc l engaging a recess in the end of the catch. The bimetallic thermal element t which is heated by an auxiliary burner s is connected by a rod r to an arm o on a spring plate having a frictional engagement with the disc l rotatable on a pivot u.
Patent GB-379577-A (GB)
Title: Improvements in rubber tyres for motor wheels
IPC: B29D30/02
Filed: 1931-12-03
Abstract: 379,577. Wheel tyres. HARTER, L., 15B, Windm³hlenstrasse, Dresden, Germany. Dec. 3, 1931, No. 33535. Convention date, Dec. 4, 1930. [Class 144 (ii).] An arch-section tyre comprises an outer portion 1, Fig. 2, the side-walls of which taper towards the tread, and an inner portion 2 of greater elasticity than the part 1, the contacting surfaces being substantially parallel to the tread and sides of the tyre. The core 2 may have a lining 4 of relatively small elasticity. Fig. 3 shows a modification in which the parts 6 of greater elasticity are embedded in the side walls of the outer portion of the tyre.
Patent GB-911965-A (GB)
Title: Stands for continuous payoff of wire and the like
IPC: B21C47/24
Filed: 1961-09-19
Abstract: 911,965. Unreeling. VAUGHN MACHINERY CO. Sept. 19, 1961 [May 19, 1961], No. 33562/61. Class 83 (4). Apparatus for paying off wire comprises an upright stand having rotating drive means in its base, a lever mounting said stand for pivotal movement to a generally horizontal position, and actuating means acting on the lever, whereby said stand may be raised and lowered. Wire 15 from a coil 14, supported on a stand B rotated about a vertical axis by a motor 5, passes over the edge of a disc. 13 supported on the coil and thence over a pulley 16. The stand B and a similar stand A are journalled in levers 7 rocked about horizontal pivots 8 by pistonrods 10 from vertical discharge positions to nearly horizontal loading positions. As the wire is uncoiled from the stand B fresh coils are loaded on the stand A, in its horizontal position, by a crane 12, the leading and trailing ends of these coils being welded together to form one long coil 11. When the coil on the stand B has been unwound to about a foot from a support disc 2 of the stand, the rotation of the stand is stopped and the trailing end of the coil 14 is welded to the leading end of the coil 11, the wire still unwinding from the stand B until the latter is empty whereupon the stand A is raised to the vertical position and rotated and the stand B lowered to the horizontal position. A switch 17 on each stand pressed by the coil being unwound and a switch 18 on each disc 2 of the stands and engaged by the discs 13 when the stand is empty may control the motors 5 rotating the stands and the piston rods 10 swinging the stands. Means may be provided to stop the machine if the pulley 16 fails to rotate.
Patent GB-1011449-A (GB)
Title: Electronic discharge tubes
IPC: H01J25/34
Filed: 1964-08-18
Abstract: 1,011,449. Travelling wave tubes. CSF.-COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Aug. 18, 1964 [Sept. 20, 1963], No. 33654/64. Heading H1D. A travelling wave tube operating as an oscillator or amplifier has a gas filling such that a beam traversing the gas forms a plasma, wherein an inhomogeneous periodically varying density distribution of the particles 17 of the plasma is formed along the beam path and the tube is disposed within a waveguide 12. The inhomogeneous plasma particle distribution may be formed by a discharge between two electrodes 10, 11 as shown; alternatively, the distribution is formed by a periodic permanent magnet structure or by providing a series of transverse discs of dielectric material located within the envelope across the beam path and centrally apertured for the passage of the beam. Argon at a pressure of 10<SP>-1</SP> Torr is used as the gas filling.
Patent GB-900946-A (GB)
Title: Apparatus for treating ailments of the respiratory passages
Inventor: HIRTZ HANS
IPC: A61M15/00
Filed: 1958-10-21
Abstract: 900,946. Inhalers. HIRTZ, H., [trading as HIRTZ & CO.], and HIRTZ, H. J. Oct. 21, 1958 [Nov. 12, 1957], No. 33679/58. Class 81 (2). An inhaler includes a chamber which contains a heating element 12 and is connected to a face mask 10, one or more annular chambers through which air passes to the heating element being formed by walls disposed around the heating element, the walls having passages 16, 18 which are staggered in the longitudinal direction of the apparatus. A face mask 10 is connected to a container 14 forming a handle by an intermediate member 11. The container is divided by a cylindrical wall 17 into a central chamber 19 which passes also thermostatically-controlled heating element 12, and an annular chamber 13. Air entering the chamber 13 through holes 16 passes to the central chamber 19 and through the heating element 12. The heated air passes through a non-return inlet valve 24 to an intermediate chamber 20 in the intermediate member and thence to the mask. A non-return exhalation valve 25 is provided on the intermediate member or on the mask. A perforated tube 28 containing absorbent material impregnated with medicament projects through an opening into the intermediate chamber. An internally-threaded cap 30 attached to the tube 28 fits over an external union 32 and thus closes the opening 31. When not in use, the tube 28 is secured in a bottle of medicament by the cap. The intermediate member may be attached to the container by a flexible hose. There may be several annular chambers through which air passes to the heating element.
Patent GB-1483136-A (GB)
Title: Crystal mounting
IPC: H01L41/053
Filed: 1975-08-14
Abstract: 1483136 Mounting crystal resonators STANDARD TELEPHONES & CABLES Ltd 14 Aug 1975 33866/75 Heading H1E A method of mounting a flat piezoelectric crystal element 17 comprises the steps of forming in a flat sheet of metal 12 sets of clip members 10, 11 (one set only shown), each clip member having a stem 10a, 11a, a fingered portion 10b, 11b and a severable neck 10f, 11f; welding the stems of a set of clips to the ends of a set of wires 15, 16 which pass through and are bonded in an insulating base 14; severing the necks of the welded clips the fingers of which point to the centre of the crystal element, at least one finger of each clip (e.g. 10c, 10e, 11d) being cranked offset from the plane of the original sheet 12 by an amount equal to the thickness of the crystal element whereby the latter may be located and held by the fingers in the plane of the wires 15, 16. Conductive bonding paste may be applied. In a modification (Fig. 4, not shown), a set of three clips each having two fingers is used.
Patent GB-605101-A (GB)
Title: Improvements in or relating to rotary-piston fluid motors
IPC: B25B21/00
Filed: 1945-12-14
Abstract: 605,101. Drilling-machines. STEVENS, A. H. (Reynolds Metals Co.). Dec. 14, 1945, No. 33873. [Class 83 (iii)] [Also in Group XXVI] In a fluid-pressure motor portable drilling-machine, the engine driving the toolchuck 21, has a number of working chambers 3 traversed by pistons 9 on a rotary shaft 7, and an abutment rotor 12 having recesses 3x, the rotor 12 controlling the admission of working-fluid which enters chambers 3 through points 25x. A trigger 23x controls inlet valve 13, the flow of fluid to the inlet duct 25 being regulated by the setting of a valve 24. Fluid is exhausted through ports 26x leading to a duct 26. Grooves 18 are provided for sealing purposes. A removable plug 22 allows access to the valve 13. The modification shown in Fig. 4 shows an abutment rotor having arcuate channels 118 which, periodically register with intake ports leading from a manifold within the casing. The pistons in the three working chambers 110 are arranged at 120 degrees to each other. Annular sealing rings are carried by piston sleeves 116x,
Patent GB-1425759-A (GB)
Title: Washing machines
IPC: D06F37/36
Filed: 1973-07-17
Abstract: 1425759 Washing machines FICHTEL & SACHS AG 17 July 1973 [20 July 1972] 34048/73 Heading D1A A washing machine drive includes a single speed electric motor I, with control means 15, connected to a washing drum via reduction gearing 5 for a washing speed or, for spin drying, through a clutch 7 which is rendered inoperative during washing but is released for change over to spin drying by temporarily braking or switching off the motor 1 when a free wheel clutch 6 permits over running of the washing drive. As shown a belt pulley 4 is either driven periodically in opposite directions by planetary gearing 5, the clutch 6, which permits drive from the motor to the drum but not vice versa, and a sleeve 3 or through a centrifugal clutch 7 which is rotatable on the motor shaft 2 but has two shoes 10 with radially inward extensions with teeth 11 engageable, for washing with projections 13 on a member secured to the shaft 2. Due to the inertia of the clutch assembly 7 which includes a mass 12 supporting the shoe pivot pins 9, the teeth 11 engage under one or other side of a projection 13 during washing reversals before the motor has accelerated to hold the shoes 10 from the clutch casing 14, but at the end of the washing cycle the motor is slowed by momentarily cutting off or reversing the current enough for the teeth 11 to disengage from the projections 13 but speeded up again so that the shoes move outward against their spring tension and abut the outer parts of the projections 13 to drive the drum.