baber/WOPTO huggingface dataset:
Patent GB-381356-A (GB)
Title: Packing device for rotary valves
IPC: F16K5/04
Filed: 1931-10-27
Abstract: 381,356. Valves. KONSTANTINOFF, J., 19, Rue Vernier, Paris. Oct. 27, 1931, No. 29724. Convention date, Oct. 27, 1930. [Class 7 (vi).] Packing for rotary valves consists of rings formed in halves, the ends of which have teeth 6a, 6b engaging by circumferential sliding surfaces 7a, 7b. A rotary valve is packed by two rings 4, 5 formed with ports A, E. The rings have flanges 9, 10 engaging grooves in the valve and acted on by spring or elastic rings 14. Rotation of the packing- rings is prevented by pins 13, and grooves 15, 16 in the rings and liner collect incrustation. In machining the rings, packing is placed between the teeth 6a, 6b to hold the rings to the required diameter.
Patent GB-832846-A (GB)
Title: Improvements in or relating to railway vehicles
Inventor: HIRST ARCHIE JOHN
IPC: B61F5/08
Filed: 1957-09-20
Abstract: 832,846. Vehicle undercarriages. METALASTIK Ltd. July 31, 1958 [Sept. 20, 1957], No. 29725/57. Class 103(6) The bolster 5 of a railway vehicle is suspended from the frame 6 by swing links 8 and restricted in logitudinal movement by links 9. The body 15 is supported at each end of the bolster by a strut 13 extending between the bolster and the body, the body load being supported at the lower end of the strut by a bearing 10 comprising part-spherical male and female members 12, 11 and a rubber pad 14 therebetween and the body load being applied to the upper end of the strut by a pair of rubber springs 18 comprising rubber pads 19 with metal interleaves 20 bonded thereto and metal end-plates 21, 22 which are secured to blocks 16 on the upper end of the strut 13 and to an inclined face 17 of the body 15. Another pair of springs (not shown) are similarly arranged between the strut 13 and body 15 opposite each other transversely of the vehicle. The springs 18 act in combined shear and compression under vertical load and the rubber pad 14 of the bearing 10 under compression. The pad 14 is bonded only to the male element 12 of strut 13 to enable the strut to be carried with the body when the body is lifted vertically off the bogie. The lower end of a pin 23, which depends from the undersurface of body 15 is formed as a spigot 24 to enter a sleeve 25 which forms the inner  element of a part-spherical bearing 26 which has a rubber layer 27 between inner and outer elements 28, 29. The element 29 is carried by the bolster 5 and the bearing 26 accommodates limited universal movements between the bolster and pin 23. In an alternative form, the part-spherical bearings 10 are at the upper ends of the struts 13 and the springs 18 attached to the bolster 5 so that struts remain on the bolster when the body is raised.
Patent GB-1342200-A (GB)
Title: Horizontal extrusion press having means for removing an extrusion  butt therefrom
IPC: B21C35/04
Filed: 1972-06-26
Abstract: 1342200 Extruding SCHLOEMANN AG 26 June 1972 [30 June 1971] 29818/72 Heading B3P A horizontal extrusion press, has a pivoted shoot 9 whose end is moved adjacent the extrusion axis to receive a butt discard which is cut-off from the extruded product by a blade 7 after the press container has been withdrawn from the die holder 4. The shoot is pivoted by a pneumatic piston-cylinder unit 11 which acts on a tubular mounting 10 on one of the press columns 1. The mounting 10 is movable axially along the column with the container. Thd blade may be a shear actuated by a piston-cylinder unit 8 or a saw. The die holder 4 is a slide guided by guides 3 on the back platen 2 of the press and actuated by one or more piston-cylinder units 5. When the discard is cut-off the shoot is moved downwards by the blade acting on the discard against spring-bias or the resilience of the pneumatic unit 11.
Patent GB-659730-A (GB)
Title: Improvements in the production of heterocyclic nitrogen compounds
IPC: C07D295/13
Filed: 1949-11-22
Abstract: Compounds of the formula <FORM:0659730/IV (b)/1> where X and Y are phenyl or benzyl and n is 2 or more, are obtained by (1) condensing <FORM:0659730/IV (b)/2> with X-NH-Y; (2) condensing XYN-(CH2)n-Hal with pyrrolidine; or (3) treating <FORM:0659730/IV (b)/3> or a derivative substituted by one of the radicals X or Y with the appropriate halogenated hydrocarbon.  "Hal" may be chlorine, bromine or iodine, and n is preferably 2-4.  Reactions (1) and (2) may be carried out by boiling the materials in an inert solvent or diluent in the presence of an alkaline substance; the halogenated base may be used in the form of its mineral acid salt in the presence of copper powder, the reacting amine being then employed in excess.  The starting materials for method (1) may be obtained from pyrrolidine by reaction with ethylene oxide or an alkylene halohydrin followed by replacement of the hydroxy group by chlorine with thionyl chloride. Examples show the preparation of N-(b -N1-phenyl-N1-benzylaminoethyl) pyrrolidine by the 3 methods and conversion into the hydrochloride. In the case of (3), the starting material is N-(b -N1-phenylaminoethyl)-pyrrolidine, obtained from N-b -chlorethyl-pyrrolidine hydrochloride and aniline.  The Specification as open to inspection under Sect. 91 describes the preparation of compounds <FORM:0659730/IV (b)/4> where X is an aromatic, araliphatic or heterocyclic radical or other substituent containing a cyclic system, Y has the same meaning as X or is an alkyl or hydroxyalkyl group, Z is the radical of a saturated heterocyclic compound attached via its ring nitrogen atom and n is 2 or more.  In particular, X may be phenyl, benzyl, b -phenylethyl, pyridyl or picolyl and Y may be methyl, ethyl, isobutyl or other alkyl radical up to C8; Z may be derived from pyrrolidine, C-methyl-pyrrolidine, piperidine, hexamethylene imine or morpholine.  These compounds are made by the general methods given above.  A further example describes the preparation of N-(b -dibenzylaminoethyl)-hexamethylene imine (and its hydrochloride) from N - dibenzyl - N - b  - chloroethyl - amine hydrochloride and hexamethylene imine.  This subject-matter does not appear in the Specification as accepted.
Patent GB-855829-A (GB)
Title: Mountings for rings or discs, for example in rotary seals or thrust bearings
Inventor: GARDNER JOHN MADDOX
IPC: F16C33/74
Filed: 1958-09-18
Abstract: 855,829. Thrust bearings. NAPIER & SON Ltd., D. Sept. 14, 1959 [Sept. 18, 1958], No. 29951/58. Class 12 (1). [Also in Group XXVI] In a thrust bearing a carbon sealing ring 15 is supported in a metal mounting comprising an annulus 16 which is shrunk fit on the ring and a backing member 19 that abuts the rear face of the ring and is connected to the annulus by means permitting relative radial movement between the annulus and the backing member. The ring engages a face 14 of a collar 13 on a rotary shaft 10 and a thin metal hoop 23 is welded or brazed to flanges 17 and 21 on the annulus and backing member respectively, the latter being connected to the shaft casing 12 by bellows 24 and 25.
Patent GB-868131-A (GB)
Title: Improvements in or relating to devices for working crop lying on the ground
IPC: A01D78/00
Filed: 1957-09-24
Abstract: The subject-matter of this Specification is included in that of Specification 877,574 but the claims differ.
Patent GB-1511367-A (GB)
Title: Constant flow device
IPC: F16K1/00
Filed: 1975-07-17
Abstract: 1511367 Valves YARDEN MEDICAL ENG Ltd 17 July 1975 [18 Aug 1974] 30004/75 Heading F2V A flow control device, e.g. disposed between an intravenous solution container (1, Fig. 1, not shown) and a lower level sight glass (4), comprises a housing 21 having in its top a liquid inlet 31 and a vent 27 and in its bottom an outlet 36 with a manually adjustable control valve 28, flow through the inlet being stopped by a float controlled valve 33 when a predetermined liquid level is reached in the housing. Flat gasket 34 on float 24 closes outlet 36 when the level falls sufficiently after the container (1) has emptied. The device may be of diecast thermoplastic. Fig. 3 (not shown) illustrates a modified float.
Patent GB-484570-A (GB)
Title: Apparatus for feeding batched materials such as chemical and other fertilizers
IPC: B65G3/04
Filed: 1936-11-04
Abstract: 484,570. Conveyers; delivering materials from hoppers. TYLER, G. M. Nov. 4, 1936, No. 30025. [Class 78 (i)] Chemical and other fertilizers are compounded by manually spreading the ingredients in layers one above the other, mechanically feeding the mass formed by the layers in successive charges to a series of revolving blades arranged to cut equally into the layers, and delivering the apportioned ingredients for further treatment, packeting or storing. The materials are spread evenly in layers in a trough, the bottom of which is formed by a horizontal endless conveyer 1, Fig. 1, and the sides of which consist of endless bands 13, 14, Fig. 2, of fabric, or flexible or articulated metal. The conveyer 1 consists of parallel belts 5, 6 to which are hinged slats 9 in such a manner that they overlap one another on the upper run and hang down vertically on the lower run. A door 19 fits loosely in guides in the bands 13, 14. The revolving blades 15 may rotate about a vertical axis instead of about a horizontal axis as shown. In a modification the bands 13, 14 are replaced by fixed side walls. In a further modification the conveyer 1 is replaced by a fixed plate.
Patent GB-1385089-A (GB)
Title: Packing debris in mines
IPC: E21F15/06
Filed: 1972-06-27
Abstract: 1385089 Reciprocating conveyers COAL INDUSTRY (PATENTS) Ltd 13 April 1973 [27 June 1972] 30060/72 Addition to 1255197 Heading B8A [Also in Division E1] Apparatus for packing debris in mines comprises a paddle device 14 pivotally mountable at 13 on an anchor component, and means 15 for angularly displacing the paddle device, the paddle having a radially outer face which, in use, substantially extends along the full length of the path defined by the radially outer portion of the leading or working face of the paddle device throughout angular displacement thereof. The paddle device 14 is mounted to a roof support member 9, and the paddle device is reciprocated in use by means of a hydraulic ram 15. The apparatus may alternatively be mounted on a frame secured between the roof and floor of the mine.
Patent GB-195116-A (GB)
Title: Improvements in and relating to the recording of movements
IPC: G01V1/16
Filed: 1921-11-11
Abstract: 195,116. Collins, W. G., and Cambridge & Paul Instrument Co., Ltd. Nov. 11, 1921. Recording-apparatus.-A method of and apparatus for obtaining a record of the movements of an object whose motion is small and rapid such as the varying pressure in a high speed engine consists in causing a fine stylus with rounded point actuated by the said object to indent a plastically deformable material in such a manner that no material is removed but the recording surface only of the material is caused to flow, forming a groove bounded on each side by two raised portions of the material. The recording medium is preferably a film of thin celluloid and the graph produced is well suited to magnification by its being subsequently optically projected. The method of recording may be used for ascertaining the movements of bridges or other structures or the movements of the inertia mass of seismographs. Specification 174,377 is referred to.
Patent GB-844213-A (GB)
Title: Improvements in milling cutters or like rotary tools
IPC: B23C5/26
Filed: 1957-03-23
Abstract: 844,213. Milling-cutters. JONES, W. C. March 21, 1958 (March 23, 1957], No. 30144/58. Divided out of 844,212. Class 83 (3). A milling-cutter 10 has internal threads 16 for engagement with the socket described in Specification 844,212, and is bored to receive the adaptor-plug, a tapered portion 7 of which is engageable with an obtuse taper in the bore of the cutter to facilitate centring. The cutter may have an integral ring 11 and spanner flats 15.
Patent GB-930677-A (GB)
Title: Rotor winding support system for dynamo-electric machines
IPC: H02K3/487
Filed: 1960-09-01
Abstract: 930,677. Securing coils for dyanmo-electric machines. GENERAL ELECTRIC CO. Sept. 1, 1960 [Sept. 2, 1959], No. 30168/60. Class 35. Radial stresses on the rotor windings of a dynamo-electric machine are taken up by a member in tension only, not subjected to large shear stresses. On top of slot windings 1, which completely fill slots 2 and may extend radially beyond them, are arranged contoured compression blocks 11 of plastic or fibre glass whose lower surfaces are flat and whose upper surfaces are semi-circular, parabolic or shaped like a catenary. Holding blocks 11 and windings 1 in position are tension members 6 which may be magnetic or non-magnetic straps, wires or helical springs. The ends of tension members 6 are anchored to adjacent rotor teeth 5 by providing the members with enlarged roots 7 with hooks 7b mating with grooves 5a in the rotor teeth. The roots may each fill half of a groove 5a as in Fig. 2 where they are inserted axially from notches 12, or they may be narrower and insertable radially, with a distance piece then driven axially between them (Fig. 4, not shown). Alternatively each root may completely fill a groove 5a (Fig. 3, not shown). Windings 1 may be provided with cooling ducts la communicating through passages 11c in blocks 11 with the rotor-stator gap to conduct a gaseous coolant through the windings. Blocks 11 may be omitted if the top winding conductor is suitably contoured. Specification 725,260 is referred to.
Patent GB-1031057-A (GB)
Title: Timepiece
IPC: G04C3/06
Filed: 1963-07-30
Abstract: 1,031,057. Clocks and watches. HAMILTON WATCH CO. July 30, 1963 [Aug. 3,1962], No. 30186/63. Heading G3T. An electric watch balance 4, Figs 1 to 3 (not shown) carries a coil 8 which cooperates with the field of a stationary permanent magnet 16. The magnet is bar-shaped and has one surface disposed toward the coil on which magnetic poles N, S are formed, the flux being closed through the magnet so that the opposite surface thereof does not exhibit any poles and stray fields are avoided whilst the thickness of the watch is reduced. The external field which cuts the coil is closed through a magnetic shunt 18, or this shunt may be replaced by a second magnet similar to the first. The pillar plate is recessed at 14 to house the magnet 16.
Patent GB-925681-A (GB)
Title: Improvements in or relating to roller blind indicators
Inventor: KEIGHTLEY THOMAS
IPC: G09F11/29
Filed: 1958-09-22
Abstract: 925,681. Indicators. G. H. PATENTS Ltd. Sept. 21, 1959 [Sept. 22, 1958], No. 30187/58. Class 3 (1). A multi-roller blind indicator having internal clutch means disposed between each shaft and each roller for selective operation as by a driving and engagement means 5, 7, 20, 21, 22, 23 is characterized by the provision of intermediate bearing means 11 for the winding rollers which are disposed between adjacent ends of aligned rollers on each axial shaft 2 and are slidably mounted directly or indirectly on parallel guide members 14, an axial force being applied to the set of rollers by spring-loaded means 4, 10, 18 at one end of each set of aligned rollers.
Patent GB-520348-A (GB)
Title: Improvements in or relating to pistons and piston rings therefor
IPC: F16J9/20
Filed: 1938-10-19
Abstract: 520,348. Piston packing. GUTHRIE, C. G. Oct. 19, 1938, No. 30200. [Classes 122 (i) and 122 (v)]. A piston 11, Fig. 1, is formed with undercut grooves, 12a, 12b, in which are fitted split wedging rings 14a, 14b, which secure a packing ring 16 in position. The ring 16 stands proud of the wedging rings and expansion of the wedging rings restrains by friction the expansion of the ring 16. The rings may be fitted in a carrier ring fitted in a groove in the piston, thus enabling the life of an old piston to be extended. As shown in Fig. 4 a gland 28 for a piston rod 29 is fitted with two sets of wedging and wedged packing members constructed as described above. Specification 484,621 is referred to.
Patent GB-1165787-A (GB)
Title: Weight Sensing Assembly for use with Aircraft Landing Gear
Inventor: GARRISON JUDD FREDRICK
IPC: G01M1/12
Filed: 1967-06-30
Abstract: 1,165,787. Measuring weight electrically. PNEUMODYNAMICS CORP. June 30, 1967 [Aug. 9, 1966], No.30345/67. Heading G1N. In an aircraft undercarriage the axle 11 Fig. 1, carrying a wheel (not shown) is joined to the portion 10 of the undercarriage attached to the aircraft by means of a tapered section 14 within which is situated a bar 20 carrying electrical (e.g. semiconductor) strain gauges 42, 43, the bar being flexed by bending of the tapered section 14 when the craft is on the ground. One end of the bar 20 is rigidly fixed to an expander cone 19 and the other end bears against a pre-stressing screw 28 set in a second expander cone 25. The cones are retained in end recesses of members 15, 16 by screws 22, 26, the action of screwing in these screws being to firmly wedge the members 15, 16 in the tapered section 14, and the members 15, 16 being joined by webs 17 to form an integral weight measuring transduced removable through hole 24. Connections 38 are made between the strain gauges 42, 43 and a bridge Fig. 3 (not shown). The output of the bridge may be fed to a computer with signals from the other undercarriage and from the nose-wheel, to obtain the centre of gravity of the aircraft.
Patent GB-806330-A (GB)
Title: Improvements in or relating to devices for perforating cans
Inventor: BARLOW ROBERT
IPC: B67B7/50
Filed: 1956-10-04
Abstract: 806,330. Can-openers. METAL BOX CO. Ltd. Aug. 8, 1957 [Oct. 4, 1956], No. 30348/56. Class 66. A can-opener comprises a bracket 1 for attachment to a support 3 and a can-receiving cradle 13 pivoted at one end to a pair of ears 7 depending from the bracket, the cradle being swingable about its pivots 14 to force the end of the can against a pair of prongs 8, 9 carried by the bracket. The bracket is right-angled, the horizontal limb 4 carrying the ears 7 and the prongs 8, 9 fastened to it by rivets 11. The cradle is U-shaped in horizontal crosssection and carries an abutment 19 at its lower end against which the can rests. The abutment extends either perpendicularly or at an obtuse angle to the cradle walls 13, which may carry one or more intermediate abutments to receive shorter cans. A hooked upper lip, Fig. 5 (not shown) may also be provided on the cradle wall near the top to restrain movement of the canend during puncturing. A weighted extension 20 of the abutment 19 serves to guide the can during insertion and removal and to cause the cradle to hang downwardly when not in use.
Patent GB-1064672-A (GB)
Title: Improvements in or relating to fluid tight receptacles
IPC: A61F7/08
Filed: 1962-08-08
Abstract: 1,064,672. Muffs. J. W. P. FAINT. Nov. 6, 1963 [Aug. 8, 1962], No. 30373/62. Heading A3V. [Also in Division A5] A fluid tight muff for holding e.g., hot or cold water, comprises an open ended double walled (e.g. polyvinyl chloride) tube 10 having a neck portion 15 communicating with the enclosed annular space between the walls of the tube enabling the tube to be filled with fluid, the neck being long and flexible to allow the end of the neck to be flattened and folded over several times towards the base of the neck and releasable fastening means (17) (Fig. 3, not shown) on tapes 16 for holding the neck in folded fluid tight position.
Patent GB-1474402-A (GB)
Title: Programmable pressure medium control system particularly for  machine tools
IPC: G05B19/44
Filed: 1974-07-09
Abstract: 1474402 Fluidic control circuits LECHLER APPARATEBAU KG 9 July 1974 [21 July 1973] 30440/74 Heading F1P [Also in Division B3] A fluid control circuit for units 11, Fig. 1, e.g. machine tools, has a control panel 21, Fig. 2, to the back of which are connected output hoses 17 from the control circuit and hoses 23 leading to the units 11. These may be connected in a random manner on the front of the panel by further hoses 24. When the latter are plugged in, closed valves in sockets 25, 26 are automatically opened. Fig. 2a shows an embodiment in which the connecting hoses 24 are withdrawn behind the panel 21 by springs 28 when disconnected.
Patent GB-926191-A (GB)
Title: Mechanism for tying together the ends of a wire passed round a package
IPC: B65B13/28
Filed: 1960-09-05
Abstract: 926,191. Bundling-machines. METAVERPA N.V. Sept. 5, 1960 [Sept. 9, 1959], No. 30486/60. Class 94(1). [Also in Group XXII] Apparatus for twisting together the juxtaposed ends of wire passed around a package includes a twisting pinion supported in a block adapted to travel to and fro in a direction at right angles to that of the wires and comprising a recess near the pinion, said recess being covered, while leaving an upward passage, by a plate, which keeps the wires at some distance from the package at the level of the jaw of the pinion, while on either side of the plate are fitted fingers, which also rest on the wire and have a lost-motion joint with the block, in such a way that when the pinion travels towards the wires, the passage is temporarily bridged over and during the return movement it is temporarily cleared. The ends of wire laid about a package are guided in grooves in a pivoted member 30 and are prevented from contact with the bottom of the package by a plate 16 carried by a block 5 slidable along plates 1 and 2 below the package. The block 5 carries a twister pinion 10 and is then moved to the left, to the position shown in the drawings, by hydraulic or pneumatic means moving a rod 9, so that a slot 11 in the pinion 10 accommodates the wire ends which are guided thereinto by fingers 17, 18 alongside the plate 16. The fingers lag behind, in movement, the plate 16 until a lost motion connection 19 therewith is taken up. To twist the wire ends together, the pinion 10 is then rotated slightly over one revolution by a rack 7 moved by a cylinder 22 and driving the pinion 10 through gears 12, 13 and one way clutch means 14, 15. End switches 23 may reverse the movement of the rack 7 and switch 24 record that all the operations have been performed. After twisting the block 5 moves to the right so that the twisted wires leave the slot 11 of the pinion 10. The ends of the wire may be cut off by pivoted knives 26, on each side of the block 5, rocked by a lever 27 engaged by a pawl 28 on the rack 7. U.S.A. Specification 2,416,859 is referred to.
Patent GB-890716-A (GB)
Title: Improvements in or relating to a spreader for granular or powdery material
IPC: A01C17/00
Filed: 1958-04-08
Abstract: The subject-matter of this Specification is included in that of Specification 890,712 but the claims differ.  Specifications 890,711, 890,714, 890,715, 890,717 and 890,719 also are referred to.