baber/WOPTO huggingface dataset:
Patent GB-1480380-A (GB)
Title: Pivot bearing assembly
IPC: F16C11/04
Filed: 1974-08-22
Abstract: 1480380 Resilient mountings; bearings DAIMLER-BENZ AG 22 Aug 1974 [25 Aug 1973] 37019/74 Headings F2S and F2A [Also in Division E2] A pivot bearing for a component 14 executing angular movements relative to a fixed part 29, e.g. independent wheel suspension in a vehicle, comprises concentric inner and outer sleeves 2, 13, respectively; a resilient bush 4a, 4b, inserted under radial compression between the sleeves 2, 13; and a spring axial thrust bearing 15 comprising a first collar 16 secured in use to the moving component 14, a second collar 21 secured in use to the fixed part 29, an intermediate stiffening plate 17, Fig. 4 (not shown), having a bearing surface provided with a friction-reducing material 22, Fig. 4 (not shown), and a layer of resilient material 18 between the collars 16, 21, the axial thrust bearing 15 being axially spaced from the resilient bush 4a, 4b. Fig. 1 shows the pivot bearing being used to support a swinging arm 14 in a vehicle wheel suspension. Each of two axial thrust bearings 15, as best seen in Fig. 4 (not shown) includes a vulcanized-on plate 17 with a surface of p.t.f.e./ sintered bronze, a press-fitted collar, and an integral lip seal. The resilient bush 4a, 4b as best seen in Figs. 2 and 3 (not shown) provides different spring rates in the vertical and horizontal directions by means of flattened portions (10) and blind recesses (8). The inner and outer sleeves 2, 13 are arranged to be concentric under load by providing an initial eccentricity as shown at (4<SP>1</SP>), Fig. 3.
Patent GB-344362-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04Q3/00
Filed: 1929-12-03
Abstract: 344,362. Automatic exchange systems. ASSOCIATED TELEPHONE & TELEGRAPH CO., 1033, West Van Buren Street, Chicago, U.S.A. Dec. 3, 1929, No. 37058. Convention date, Dec. 10, 1928. Addition to 274,033, [Class 40 (iv), Telephones, &c.] [Class 40 (iv).] In a call-finder system of the kind described in the parent Specification, the constantly rotating testing switch has a number of sets] of wipers and delivers two trains of impulses to the finders, which are of the up-and-around type. Circuit operations. When one of the wiper sets encounters a calling line, the corresponding line relay 2, 4, 7, 9 or 11, pulls up and locks itself through 18 which grounds wiper 33 to cause impulses to be delivered to the vertical magnet 16 and relay 23 (which ensures a complete step at each impulse), energizes cut-off relays 1, 3, 6, 8 and 10, 5 which disconnects all the wipers P, and 21 which energizes 13. The impulse train is stopped when 33 encounters terminal 120 or 121 and so energizes change-over relay 22 which locks up, energizes 20, and grounds one of the wipers B corresponding to the line relay energized. As will be seen from the Figure, 1 or 2 rotary impulses are sent by B1, 3 or 4 by B2 and so on, 23 ensuring a complete step for each impulse as before after which circuits are made in parallel for allotting switch magnet 24, and relays 19, 14. 19 releases 7, 18 but holds the cut-off relays, and 14 switches through and busies the line. After a short interval 21 falls unlocking 22, 20 and 19 and releasing 24 which allows the allotting-switch wipers to move on. If the next finder is busy, 24 re-operates over P and opens its own circuit and so on. 19 reoperates in parallel with the magnet, holds 1, 3, 5, 6, 8 and 10 and disconnects 18 to prevent association of the common equipment with a calling line until a finder is allotted. If a connector seizes the line while the finder is being stepped to it, 14 is short-circuited and cannot switch through and on the relapse of 13 when 21 falls, release magnet 12 is operated. In the case of simultaneous calls by lines having the same rotary positions in the testing switch, only the line relay nearest to 18 is able to lock up. While the testing switch is passing a busy line its line wipers are cut off by one of the relays 1, 3, 6, 8, 10.
Patent GB-1244570-A (GB)
Title: Improvements in arc chute having arc runners coated with thermally-sprayed refractory metal
IPC: H01H33/18
Filed: 1969-07-23
Abstract: 1,244,570. Arc extinguishing in switches. GENERAL ELECTRIC CO. 23 July, 1969 [3 Sept., 1968], No. 37065/69. Heading H1N. Arc runners 30, 31, Fig. 1, spaced apart within a shoot between insulating side walls 21 have coatings 32 of thermally sprayed refractory metal such as W, Mo, WC or MoC. The runners may be cleaned by grit blasting and initially given a plasma arc spray coating of W or Mo powder mixed with high conductivity powders of Cu or Ag. A small percentage of titanium hydride may also be added to reduce oxidation. A final layer of the pure refractory metal may then be added. Thicker coatings may be applied in the region of brazed on electrodes 60 and near the insulating spacers 36 between arc blow-out coils 37, 38. The electrodes 60 are provided for assisting the arc 29 to jump from the high resistance auxiliary arcing contact 7 to the upper runner 30 to which the current flows from fixed electrode 1 through a further blow-out coil 40. A corresponding blow-out coil 45 is provided for the second fixed electrode 2 to which it is connected by loop 56.
Patent GB-794678-A (GB)
Title: Flanged hose and coupling
IPC: F16L33/28
Filed: 1955-12-28
Abstract: 794,678. Pipe joints. GOODYEAR TIRE & RUBBER CO. Dec. 28, 1955 [June 3, 1955], No. 37130/55. Class 99(1). A pipe 1, Fig. 1, made of elastomeric material preferably with fabric reinforcement 2 has an integral flange 6 to the outer radial face of which a metal terminal 3 having a sleeve 4 is bonded, e.g., by vulcanization. The flanged pipe end thus formed is secured as by bolts 13 to a flange 8 on a pipe 7, a recess 9 being provided to receive the sleeve 4, and an 0-ring 11 being fitted in a groove in the sleeve or in the flange. In Fig. 2 (not shown), the flange 6 is of reduced diameter so that the bolts 13 do not pass through it, and a band is fitted on and bonded to the flange to prevent deformation thereof; in a modification, Fig. 3 (not shown) coupling is effected by a screwed sleeve. In Fig. 4 (not shown), the retaining-band is integral with the flange 5. Fig. 5 shows two hosepipes 44, 45 having flanges 48, 49 to which metal flanges 50, 51 are bonded, a sleeve 52 on the latter fitting in a recess 53 in the former, and an 0-ring 55 being provided.
Patent GB-619646-A (GB)
Title: Improvements in or relating to the preparation of powder for ceramic powder moulding
IPC: C04B33/02
Filed: 1946-12-18
Abstract: Powdered material, particularly ceramic material, for the moulding of pelletted articles, is prepared by (1) extruding or otherwise breaking up a basic material such as a mixture of clay, felspar and talc, (2) heating to drive off all volatile liquids present in the material, (3) mixing with liquid to produce a homogeneous mass having a predetermined liquid content, (4) grinding to the required grain size, and (5) sifting out oversize and undersize particles.  In the process described, the material is passed through an extruding machine to produce threads which are broken off into suitable lengths and placed in an electric drying oven which is switched on for a period long enough to dry the threads completely and is then switched off and left to cool before opening.  A measured quantity of the threads is then placed in a mixing machine fitted with means for admitting a predetermined quantity of water, and the homogeneous mass thus produced is passed through a grinding machine for a limited period so as not to produce excessive "fines."  The ground material is finally emptied into a sifter comprising an upper sieve having a mesh large enough to pass particles of the maximum acceptable size and a lower sieve having a mesh small enough to return particles of the minimum acceptable size.  The sieves are sloped from left to right and are mechanically vibrated so that undersize particles fall through both sieves into one container, the acceptable grade particles fall off the lower sieve into a second container and the oversize particles fall off the upper sieve into a third container. The material in the first and third containers may be reprocessed.
Patent GB-447212-A (GB)
Title: Manufacture of halogen derivatives of unsaturated sterols
IPC: C07J75/00
Filed: 1934-12-29
Abstract: The preparation of halogenated sterols or their esters or ethers in which halogen is present only in the ring system, from poly-unsaturated sterols is effected by subjecting the poly-unsaturated sterols or their esters or ethers in solution to the action of a hydrogen halide at room temperature.  The process may be applied to mixtures of mono- and poly-unsaturated sterols such as are present in natural phytosterols, e.g. sitosterol and stigmasterol in the phytosterol of the soya bean.  In examples: (1) stigmasterol is shaken with a mixture of equal amounts of alcohol and ether which has been saturated with hydrogen chloride. On cooling the solution to 0 DEG  C. the stigmasterol mono-hydrochloride crystallizes.  (2) A solution of stigmasterol acetate in ether is saturated with hydrogen bromide and after standing for two days the solvent is removed.  The mono-hydrobromide of stigmasterol is purified by recrystallization from ethyl acetate.  (3) The total phytosterols in the form in which they are obtained from soya beans are treated as described in either example (1) or (2) to yield a mixture of halogenated saturated and unsaturated sterols.
Patent GB-789485-A (GB)
Title: Improvements in or relating to the dyeing and staining of wood
IPC: B27K5/02
Filed: 1955-12-29
Abstract: 789,485. Staining wood. CHADELOID CORPORATION. Dec. 29, 1955, No. 37301/55. Class 140. A process of staining wood comprises the step of subjecting the surface of the unstained wood to the action of a solution which will react as a mordant with the dye to be used and thereafter treating the wood with a solution of a dye reactive with the said mordant to produce an insoluble dyestuff within the pores of the wood. The mordant may be an acid reacting substance or oxidizing agent or a basic reacting substance or reducing agent. The impregnated wood is treated with a dye having basic or acid properties according to whether the mordant has acidic or basic properties; or where the mordant has oxidizing or reducing properties the dye will be one which forms an insoluble dyestuff by reduction or oxidation respectively. Specified acidic and/or oxidizing mordants are sodium hypochlorite or nitric acid. Specified basic or reducing mordants are sodium hydrosulphide or stannous chloride. Suitable dyes for use with acidic or oxidizing mordants are Brilliant Green Crystals and Fuchsine G.S. Suitable dyes for use with basic or reducing mordants are Calcocid Fast Light Orange 2G and Calcocid Yellow MXXX Conc. The mordant may be applied to its wood in aqueous solution. A specified solvent for acid dyestuffs is the ethyl ether of diethylene glycol; specified solvents for basic dyestuffs are ethyl alcohol or the monoethyl ether of ethylene glycol. After impregnation with the mordant solution the wood may be rinsed with methanol.
Patent GB-891810-A (GB)
Title: Letter-file mechanism
IPC: B42F13/24
Filed: 1959-11-03
Abstract: 891,810. Loose leaf binders. LEITZ, M., LEITZ, M., LEITZ, C., and KLAIBER, H. [trading as LEITZ, L. [firm of]]. Nov. 3, 1959 [Nov. 3, 1958], No. 37305/59. Class 146(1) In a binding mechanism comprising filing pins fixedly mounted on a base plate, pivotally mounted co-operating arched posts connected by a cranked bridge portion, and a retaining stop mounted on one or more sprung tongues cut and bent out of the base plate, the retaining stop is made from, or covered by, a plastics material such as polyamide, polyethylene, or polyvinylchloride. A stud shaped retaining stop 19 having a hemispherical, spherical, or cone shaped cap and a stem piece widened at the foot to produce a bulbous edge is mounted on the tongue 17 by means of an aperture therein. ,Alternatively a T-shaped tongue is bent out of the base plate and an oblong retaining stop of triangular crosssection or a hollow tubular retaining stop mounted thereon. In a further embodiment a plastic roller is mounted on a pin supported by two tongues bent out of the plate. The retaining stops are all releasably secured in position and hence are replaceable should they wear. The plastics material is preferably elastically deformable.
Patent GB-1304824-A (GB)
IPC: G11B5/702
Filed: 1971-08-09
Abstract: 1304824 Polyurethane coating composition COLUMBIA BROADCASTING SYSTEM Inc 9 Aug 1971 [18 Sept 1970] 37374/71 Heading C3P [Also in Division H1] A polyurethane is made from a diisocyanate and a terpolymer of vinyl chloride, vinyl acetate and either a glycol monoacrylate or a glycol monomethacrylate. In examples, a terpolymer of vinyl chloride (87%), vinyl acetate (5%) and propylene glycol monoacrylate (8%) is dissolved in a solvent consisting of: methyl ethyl ketone (40%), tetrahydrofuran (30%), cyclohexanono (20%) and isophorone (10%), and milled, together with pigment, wetting agent and silicone lubricating agent, with an adduct of tolylene diisocyanate and trimethylolpropane. The product is coated on to polymer film to form magnetic tapes (Division H1).
Patent GB-1204376-A (GB)
Title: Improvements in or relating to disc brakes
Inventor: BROWN PETER WILLIAM
IPC: F16D65/14
Filed: 1967-08-15
Abstract: 1,204,376. Disc brakes. GIRLING Ltd. 7 Aug., 1968 [15 Aug., 1967], No. 37395/67. Heading F2E. In a disc brake including a pair of opposed pad assemblies 24, 26 of which one (24) is directly applied by an actuating mechanism and the other is indirectly applied by the reaction on the caliper housing 6, which is pivoted at 8 to a fixed mounting member, the actuating mechanism includes two pistons 34 which are hydraulically operable independently of each other and a thrust transmitting assembly 12-16, inclusive, of adjustable length is provided for transmitting thrust from either or both of pistons to the directly applied pad assembly 24. As shown in Fig. 1 the actuating mechanism includes a rotatable cam 10 and the thrust transmitting assembly 12-16, inclusive, of adjustable length which acts between the cam and the directly applied pad assembly 24. The pistons 34 are arranged side by side and act through thrust members 36 to actuate a lever 28 attached to the cam 10. When the cam 10 is rotated to apply the pad 24 directly and the pad 26 by reaction through the caliper body 6, the force transmitting assembly moves to the left to compress the spring 20 but rotation of a screwed spindle 14 is prevented by the torque due to friction at a frusto-conical interface between the spindle 14 and the member 13. When adjustment is required during brake release, the nut 16 moves to the right through the friction ring 22 by an amount equal to the deflection in the caliper and thereafter the ring 22 holds the nut 16 against axial movement so that the spindle will move axially by an amount equal to the predetermined thread clearance and thereafter rotate to increase the length of the assembly since the torque at the frustoconical interface is lower than the torque at the screw thread. The screw thread on the spindle and/or the nut may be coated on both faces with a material such as P.T.F.E. In an alternative embodiment shown in Fig. 7 the hydraulic pistons 334 actuate through thrust members 336 to rotate a cam member 310 which is journalled in a bore in the housing 306 by a cage 348 incorporating two sets of spaced needle rollers 352. Fig. 10 shows an alternative applying means in the form of a wedge piece 244 which acts together with a roller bearing 252 positioned between an inclined shoulder 242 on the tappet 236 and a similarly inclined edge 254 on the wedge piece whereby a pull in the direction of the axis of the wedge piece displaces the tappet to move the rocking lever angularly in the brake applying direction.
Patent GB-526804-A (GB)
Title: Improvements in and relating to electric circuit interrupting systems having arc-quenching arrangements
IPC: H01H33/98
Filed: 1938-12-28
Abstract: 526,804. Fusible cut-outs. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 28, 1938, No. 37627. Convention date, Dec. 28, 1937. [Class 38 (i)] [Also in Groups XXXVII, XXXV and XL] The Specification as open to inspection under Sect. 91 shows a fuse-wire including a detonator which is fired to produce sound waves directed on the arc at another part of the fuse to extinguish same, Figs. 5-7, (cancelled, not shown). This subject matter does not appear in the Specification as accepted.
Patent GB-1333174-A (GB)
Title: Ferrite particles for flexible permanent magnets
IPC: H01F1/117
Filed: 1971-08-11
Abstract: 1333174 Laminates MINNESOTA MINING &MFGCO 11 Aug 1971 [12 Aug 1970] 37813/71 Heading B5N [Also in Division H1] A flexible laminated magnetic sheet is made by passing a synthetic rubber/magnetic powder mixture through coldrolls, and repeatedly doubling over the sheet and passing it through the rolls at gradually increasing roll spacings to form a 32 layer laminate. After 1 day, this laminate is repeatedly put through the rolls at gradually reduced spacing, and the resulting thinner sheet is again repeatedly doubled over and passed through the rolls at increasing spacing. The product is air cured at 150‹C. The magnetic composition comprises acidtreated barium ferrite (Division H1) in a butadiene-acrylonitrile binder. In a second embodiment, the binder is cis -1, 4-polyisoprene, and the laminated sheet is subjected to a magnetic field during curing.
Patent GB-1172836-A (GB)
Title: Concentration Apparatus.
IPC: C12H6/04
Filed: 1966-11-25
Abstract: 1,172,836. Concentrating coffee and tea. STRUTHERS SCIENTIFIC & INTERNATIONAL CORP. 25 Nov., 1966 [2 Dec., 1965], No. 38093/68. Divided out of 1,172,832. Heading B1G. [Also in Division A2] An apparatus for freeze-concentrating coffee or tea liquids which produce a precipitate which is insoluble at the temperature above which ice forms, comprises a cooling or chilling device 11 for cooling the liquid to form the insoluble precipitate, device 12 (e.g. a batch filtration unit of a rotating basket centrifuge) for separating the precipitate from the liquid and freeze concentration device 15 for freezing the precipitate-free liquid to form ice and concentrated liquid which are subsequently separated by separator 16, (e.g. rotating basket centrifuge). The devices 11 and 15 may comprise a tubular heat exchanger provided with agitator paddles or a scraped surface tubular heat exchanger.
Patent GB-1116905-A (GB)
Title: Energy and information translation system
IPC: E21B47/06
Filed: 1965-09-07
Abstract: 1,116,905. Transmission over power circuits. BORG-WARNER CORPORATION. 7 Sept., 1965 [8 Oct., 1964], No. 38207/65. Heading H4R. [Also in Division G1] D.C. signals representing fluid pressure at the bottom of a deep bore-hole are transmitted to the surface using the earth as one conductor and a three-phase A.C. power line as the other via artificial star points. At the surface, a transformer 67, rectifier 71 and Zener diodes 85, 86 provide a stabilized D.C. voltage across a potentiometer 84, the negative end of which is earthed whilst the slider is connected in a series circuit comprising a recording instrument (not shown) connected to lines 95, 93, a milliammeter 63, and a resistor 56 which may be varied in accordance with the length of power cable in use, to the star point 40 of three inductors connected to the power cable 14. At the downhole end of the cable, the circuit is completed to earth from a similar star point 20 through a resistor 35 which is varied in accordance with fluid pressure. Changes in pressure are thus directly indicated on the meter 63. Signal components of supply frequency are eliminated by tuned circuits 50, 51 and 30, 31, and by filter capacitors 52, 53 and 32, 33. To calibrate the meter 63 it can be connected by switch 57 directly through a standard resistor 61, to earth whilst the supply voltage is adjusted by potential divider 84. The signalling circuit is also used to operate an alarm if the motor of a pump situated down the bore-hole over-heats, thereby opening a thermal switch 37 and interrupting the D.C. circuit. The meter 63 then falls back to zero closing internal contacts (not shown) which energize an alarm relay 74.
Patent GB-1318966-A (GB)
Title: Fragmentation warhead
IPC: F42B12/32
Filed: 1970-08-07
Abstract: 1318966 Fragmentation warhead MESSERSCHMITT-BOLKOW-BLOHM GmbH 7 Aug 1970 [27 Aug 1969] 38219/70 Heading F3A A fragmentation warhead comprises spherical splinters 1 mutually interconnected, e.g., by soldering, sintering, brazing or adhesive bonding, at their points of contact 3; and a matrix 5 of lower density material such as aluminium or plastics. A tube 2 extends from a delay action detonator (not shown) at the front end to an explosive charge (not shown) at the rear.
Patent GB-1151267-A (GB)
Title: Process and Apparatus for the Production of Hydrogen Gas
IPC: H01M8/0606
Filed: 1966-08-25
Abstract: 1,151,267. Simultaneous production of hydrogen and oxygen. VARTA A.G. 25 Aug., 1966 [31 Aug., 1965], No. 38247/66. Heading C1A. Hydrogen and oxygen are produced by the catalysed decomposition of a methanol/water mixture and a peroxide respectively, the heat energy necessary for the hydrogen production being at least partly supplied by the heat yielded during the catalysed decomposition of the peroxide. In Fig. 1, hydrogen peroxide from vessel 9 is spread by distributer jets 2 throughout catalyst bed 13, where decomposition takes place so that water is condensed in vessel 17 and oxygen passes along pipe 22, e.g. to fuel cell battery 8. Water from 17 is passed to vessel 10, and water from 10 and methanol from 11 are mixed in mixer 12 and passed through 18 to catalyst bed 14, and the product gases pass through to a chamber containing a hydrogenpermeable tube 4, so that pure hydrogen passes through 3 and 23 to fuel cell 8, whilst by-product gases are removed at 7. An alternative form of apparatus has the hydrogen peroxide decomposition unit spaced away from the methanol/ water reaction unit, and maintained in thermal contact by an interposed high-boiling liquid.
Patent GB-1346259-A (GB)
Title: Occupant restraint system
IPC: B60R21/268
Filed: 1972-08-17
Abstract: 1346259 Crash restraint devices GENERAL MOTORS CORP 17 Aug 1972 [27 Aug 1971] 38403/72 Heading B7B [Also in Division F4] In a vehicle crash restraint system including a crash bag inflatable from a pressurized gas source 10, the source is provided with two outlet bores 34, 46 of different areas which open into a manifold 36 having an outlet 22 connected to the bag and having an area intermediate that of bores 34, 46, the inflating gas being supplied through the smaller bore 34 on low impact crash and through both bores 34, 46 on high impact. Bores 34, 46 are formed in plugs 26, 28 and are closed by diaphragms 38, 48 rupturable by detonators 40, 54. The control circuit for the detonators (Fig. 2, not shown) includes a pressure transducer (56) and a first inertia switch (60) each set for actuation at a predetermined minimum value of impact, and a second inertia switch (62) set for operation at a higher value. At low impact the transducer and first switch are actuated to fire detonators 40. At higher impact the second switch is additionally closed to fire detonators 54.