baber/WOPTO huggingface dataset:
Patent GB-1412572-A (GB)
Title: Pump
IPC: F04D13/02
Filed: 1972-10-02
Abstract: 1412572 Centrifugal and axial flow pumps VORTEX-PUMPEN AG 2 Oct 1972 [7 Oct 1971] 45313/72 Heading F1C [Also in Division H2] In a pump unit, an impeller comprising a blade ring 2 and a shroud 3 is integrally mounted on a rotor 1, and is driven from an electric motor 6 via a further rotor 4 which is fast with motor 6 and also magnetically coupled to rotor 1, the rotor 1 being borne by a single spherical bearing 34 which is positioned concentric with a part spherical airgap formed between the rotors. In the unit shown, the bearing 34 is mounted at the end of a column 35 extending from a partition wall 10 between the rotors 1, 4, and each rotor comprises an annular array of permanent magnets (21) with intermediate soft iron elements (20), as in Fig. 2 (not shown). In operation, fluid enters on the right of the pump along the directions of arrows 5, is deflected radially inwards on to the blade ring 2 from where it emerges in an axial direction, and a hydrodynamic thrust in the axial sense 5' is imparted on the bearing 34. in the pump unit of Fig. 3 (not shown), the fluid flow is axially directed on both sides of the impeller (30), but the taper of a casing body produces some radial deflection; the axial extent of the magnets and elements of the rotor integral with the impeller is greater than that of the rotor 1 of Fig. 1. In the embodiment of Fig. 4 (not shown), which is disclosed Specification 1406492, fluid enters radially at a diffuser blade unit (41) and emerges substantially axially from an impeller blade ring (42).
Patent GB-1407410-A (GB)
Title: Electrocoating process and compoition therefor
IPC: C09D163/00
Filed: 1972-10-02
Abstract: 1407410 Electro-phoretic coating SHINTO PAINT CO Ltd 2 Oct 1972 [6 Oct 1971] 45423/72 Heading C7B An electro-phoretic aqueous coating bath comprises 100 parts by weight of a cationic binder resin and 100-5000 parts by weight of a non- ionic synthetic resin powder. The bath may also contain a pigment e.g. TiO 2 . The cationic binder resin may be made by at least partly neutralizing a basic resin containing nitrogen atoms using an acid. The basic resin may be an amino epoxy resin, urethane modified amino epoxy resin, amino acrylic resin, amino vinyl resin or polyamide resin. The acid may be hydrochlaric, phosphoric, formic, acetic, propionic, citric, malic, tartaric or acrylic acid. The non ionic synthetic resin may be an epoxy resin, polyester resin, acrylic resin, polyurethane resin, polyamide resin, polyalefin resin or cellulose derivative resin. The bath may also contain an organic liquid which is a solvent for the binder resin but a non solvent for the non ionic synthetic resin for example methanol, ethanol, isopropanol, n-butanol, diacetone alcohol, methoxy ethanol, ethoxy ethanol, isopropoxy ethanol, butoxy ethanol, ethylene glycol or propylene glycol.
Patent GB-1369225-A (GB)
Title: Safety apparatus for vehicles
IPC: B60R21/268
Filed: 1971-09-29
Abstract: 1369225 Crash restraint bags EATON CORP 29 Sept 1971 45443/71 Heading B7B Fluid is supplied to an inflatable bag 18 through a diffuser tube 20 from a reservoir 16, a valve assembly 22, Fig. 2, being provided to control the rate of flow therethrough, whereby the initial flow of fluid is retarded. The assembly 22 includes a percussion actuated explosive valve 24 associated with a mass 26 slidable along a rod 48 in response to a change of momentum of the vehicle and a flow regulator 28. The regulator 28 includes a valve 56 having a valve member 57 normally engaging a seat 58. An assembly includes a movable cylinder 65 cooperating with a fixed piston 66 to form a chamber 68 containing non-compressible fluid such as oil or grease which retards movement of cylinder 65: A restricted outlet 70 releases fluid from the chamber 68 when a seal 71 is ruptured by high pressure. A metering valve 72, Fig. 4, connected to cylinder 65 is movable with respect to passage 70 to control the flow through the passage 70 and thus retard the opening of valve 57, thereby minimizing impact between the bag 18 and occupant. In another embodiment, Fig. 6, sensor 90 is slidable on a rod 102 against the action of a spring 50 to engage firing pins 42. Upon rapid deceleration of the vehicle, the sensor 90 fractures a C-shaped ring 98 to permit the sensor to continue movement to the left assisted by fluid pressure and the spring 50 to close an outlet 100 and prevent the flow of fluid, thereby controlling inflation of the bag.
Patent GB-1240454-A (GB)
Title: Fluid mixing valve
Inventor: KENT GRAHAM BRUCE
IPC: F16K11/20
Filed: 1967-10-06
Abstract: 1,240,454. Valves. WALKER CROSWELLER & CO. Ltd. 7 Oct., 1968 [6 Oct., 1967], No. 45621/67. Heading F2V. A hot and cold water mixing valve comprises a valve member 13 which is rotatable by one knob 29 splined to a stem 14 to vary the relative flow through two diametrically opposite inlets 23 by means of a port 25, and hence the temperature of the mixture at outlet 27, and is axially movable by a second knob 30 to vary the total flow. A retaining spring 18 along with frictional washers 31, 32 of different diameter, ensures independent operation of the knobs. The inlet ports are provided with resilient sealing bushes (23), Fig. 2 (not shown) engaging the valve member. In another embodiment, Figs. 4 and 5 (not shown), diametrically opposite bath and shower outlets (27a, 27b) are provided in the same plane as the inlets (19a, 20a). The valve member has a peripheral port (25a) which serves also as a mixing chamber. The valve member is engaged on the one hand, screwthreadedly by a central stem of the flow control knob (30a) and on the other hand by a splined connection through a flanged sleeve (16a) of the temperature control knob.
Patent GB-950693-A (GB)
Title: Lubricating oil composition
IPC: C07F9/09
Filed: 1961-12-21
Abstract: A lubricating composition comprises a major proportion of a mineral or synthetic hydrocarbon lubricating oil and minor proportions of a polymeric nitrogen-containing detergent and of an oil-soluble hydrocarbyl or hydrocarbyloxy guanidine salt of an organic acid phosphate or phosphonate or of a thio-derivative thereof. The polymeric detergent may contain amido or amino groups, and includes copolymers of vinyl-substituted pyridines, picolines, quinolines, pyrrolidones and arylamines, or polyamines, with polymerizable unsaturated alcohols, acids, or esters, particularly acrylates and methacrylates.  Numerous detergents are specified including those described in Specifications 760,554, 808,665, 818,254 and 842,010, and U.S.A. Specification 2,737,496.  The guanidine salt may have the formula <FORM:0950693/C3/1> where R is a hydrocarbyl or hydrocarbyloxy radical, R1 is hydrogen or C1-4 alkyl, n is 1-4, X is O or S, and R11 is hydrogen, alkyl or chloroalkyl, no more than one R11 being hydrogen.  Guanidine salts of this formula are extensively exemplified.  A minor amount of an alkylated bisphenol of the formula <FORM:0950693/C3/2> may also be added, where R11 is a C1- 10 alkyl radical, m is 0-5, one m being at least 1, X stands for -S-, -S-S, Se, -S-CH2-, -CH2-S-CH2, -CHR-, -CR2-, -(CH2)n-, -NH-, or -O-, where R is methyl or ethyl and n is 1, 2 or 3.  These compounds are also extensively exemplified.  Still further there may be added a partial or full ester of an organic phosphorus acid, including hydrocarbyl and chlorohydrocarbyl phosphites, phosphates, phosphonates and their thioderivatives (e.g. dicresyl phosphate, dibutyl chlorobenzene phosphonate and numerous other specified examples); a P2S5-terpene or P2S5-pine oil reaction product or various metal salts thereof; hexadecanol; fatty oils, e.g. castor oil or lard oil; polyisobutylene; and oleyl guanidine amide.  Specification 806,961 also is referred to.
Patent GB-1161952-A (GB)
Title: A Mass Measuring System
Inventor: CHRISTMANN JOHN LOUIS
IPC: G01G3/16
Filed: 1967-10-09
Abstract: 1,161,952. Weighing apparatus. MERRICK SCALE MFG. CO. 9 Oct., 1967, No. 46042/67. Heading G4H. An endless conveyer 18 is supported by idlers 23 mounted adjacent the pivoted end of a platform 24 which is supported by springs 30 at its other end so as to oscillate with a frequency dependent on the load, the oscillations being detected and operating a counter. Link 41 attached to platform 24 reciprocates a shaft 45 which is coupled by link 59 and plate 62 to a brake mechanism 48 serving to sustain the oscillations. Shaft 45 carries a ferro-magnetic disc with a cut-out which induces pulses in a co-operating coil. The counter coupled to the coil is simultaneously counted down by a pulse generator whose frequency is adjusted to the frequency of platform 24 when there is no load on the conveyer. Spring 86 linearizes the loadfrequency response.
Patent GB-1452579-A (GB)
Title: Vented extruder
IPC: B29C48/76
Filed: 1974-10-25
Abstract: 1452579 Venting during extrusion KOEHRING CO 25 Oct 1974 [7 June 1974] 46321/74 Heading B5A [Also in Division B1] Removal of moisture from an acrylonitrilestyrene resin is effected during extrusion in an intermediate screw pumping zone 46, of successive screw pumping zones 32, 46, 60, of which the zones 46, 60, each have a greater drag flow capacity than that of the preceding zone 32, or 46, so that the plasticized material incompletely fills the screw channel 15 throughout the zone 46 in which it is exposed to reduced pressure from at least one vent 18, with the zone 46 being sealed by material completely filling at least the downstream ends of the channel in zones 32, 60. Delivery from the pumping section 32 may be through a barrier device, Fig. 4, comprising a ring 39 and a disc 37 respectively connected to the barrel 10 and screw 14, and complete filling of the downstream channel flights in the pumping zone 60 is achieved by delivery to the extrusion die 64, optionally via a flow and pressure control valve 66. Working of the material in the zone 46 replaces heat lost by evaporation of the volatiles. Preferably, a vent 16, 18 is provided both upstream and downstream of the zone 46, with each vent being connected to a vacuum pump 20, 22, and being horizontally oriented to prevent return of condensate to the screw. The screw channel 15 is of constant pitch throughout the screw length, with the drag flow capacity variation along the screw being effected by increased channel depth. The screw comprises a constant depth channel zone 28 adjacent a feed opening (26), Fig. 3 (not shown), with transition sections 30, 36 respectively of uniformly decreasing and increasing depth at the upstream and downstream ends of the pumping zone 32. Similar transition zones 44, 52 and 58 are provided upstream and downstream of the pumping zone 46, and upstream of the pumping zone 60. Adjacent each vent, the screw comprises a zone 40, 54, each having a channel depth greater than that of the adjacent upstream and downstream pumping zones. The length of each zone is specified in terms of screw diameter, and the depth of the channel in the second pumping section 46 is 1À14 to 2À0, and preferably 1À33 to 1À50 times that of the channel in section 32.
Patent GB-1279282-A (GB)
Title: Polymeric composite structure
Inventor: HERMITTE FRANCO BARBIERI
IPC: B32B27/00
Filed: 1969-09-19
Abstract: 1279282 Isotactic polyolefin laminates MONTECATINI EDISON SpA 19 Sept 1969 [19 Sept 1968] 46324/69 Heading B5N A base layer comprising a vinyl chloride polymer is bonded to a protective layer of heatweldable isotactic α-olefin polymer, e.g. polypropylene. The vinyl chloride polymer may be a homopolymer or a copolymer of at least 50 wt. per cent vinyl chloride. The base layer may be a sheet of the polymer, which may be backed with metal, plastics or cotton fabric, or may be a woven or non-woven fibrous web, e.g. paper, jute, coated or impregnated with the polymer. The polymer may be foamed. The protective layer may be stretched in one or both directions before bonding and may be rendered heatweldable by successively electronically treating, treating with aqueous polyalkyleneimine solution and coating with plastics. Bonding may be achieved by using a heated press or heated calender rolls.
Patent GB-1488521-A (GB)
Title: Dimerisation of butadiene
IPC: C07C15/073
Filed: 1974-10-30
Abstract: 1488521 Cyclodimerizing butadiene BURMAH OIL TRADING Ltd 29 Oct 1975 [30 Oct 1974] 46988/74 Heading C5E C 8  carbocyclic hydrocarbons are formed by the dimerization or dehydrodimerization of 1,3- butadiene by contact at elevated temperature with a catalyst comprising a zeolite which has been ion-exchanged with Ni, Cu, Zn and/or Co ions. The reaction may be carried out at 400- 600‹ C. using mordenite as the zeolite. The principal product of the reaction is ethylbenzene, but xylenes, toluene, benzene, vinylcyclohexene and ethylcyclohexene are also formed.
Patent GB-1415308-A (GB)
Title: Slipform paver
IPC: E01C23/04
Filed: 1972-10-11
Abstract: 1415308 Slipform pavers JOHN LAING & SON Ltd 12 Oct 1973 [11 Oct 1972] 46992/72 Heading E1G A slipform paver including a plurality of dowel bar dispensing tubes 16 transversely thereof has adjacent each tube a grout dispensing tube 25 to fill the void left by the passage of the dowel dispensing tube, the dowels being ejected from a magazine 19 into the tube 16 by a ram 20. The dowel dispensing tube terminates beneath the conforming plate 14 of the paver.
Patent GB-1072029-A (GB)
Title: Sweetening compositions
IPC: A23L29/206
Filed: 1965-11-05
Abstract: A composition comprises arabinogalactan and an artificial sweetener, for example a cylcamate and/or a saccharin, preferably in such amount that weight for weight the composition has the same sweetening power as sugar.  Examples relate to the preparation of low calorie maple syrup, carbonated beverages, chocolate candy fudge, sorbet, white butter icing, orange jelly, heavy chocolate syrup, and syrup base for pharmaceutical products.
Patent GB-1152394-A (GB)
Title: Amplifier
IPC: H03K5/02
Filed: 1966-10-21
Abstract: 1,152,394. Field-effect transistor circuits. RADIO CORPORATION OF AMERICA. 21 Oct., 1966 [13 Dec., 1965], No. 47154/66. Heading H3T. [Also in Division H1] An amplifier utilizes field-effect transistors, e.g. MOST's or TFT's each having source and drain electrodes separated by a gap defining a conduction path and a gate electrode for controlling the conduction through the conduction path, the amplifier having a plurality of stages each having at least one such field-effect transistor, and the sum of the widths of the gaps, measured transverse to the conduction path and parallel to the plane of the gate electrode, of the transistors in each stage increasing progressively through succeeding stages. In the push-pull digital amplifier shown, each stage consists of a complementary pair of transistors, e.g. 11 and 12, the gap width of corresponding transistors in successive stages increasing and the spacing between source and drain electrodes remaining constant. Alternatively, each transistor of each stage subsequent to the first may be replaced by a plurality of similar transistors in parallel, the number of transistors in parallel increasing through successive stages (Fig. 2, not shown). The gap width (or the sum of the gap widths in each stage) increase in a geometric progression such that the ratio of the input capacities of any two adjacent stages is constant. In this manner the capacity which each stage is able to drive without distortion is stepped up progressively to meet a large load capacity with a minimum delay in the amplifier.
Patent GB-1518284-A (GB)
Title: Apparatus for the deposition of a uniform layer of dry fibres on a foraminous forming surface
IPC: D21D1/32
Filed: 1974-10-31
Abstract: 1518284 Apparatus to produce a fiber layer K K K KROYER 24 Oct 1975 [31 Oct 1974] 47182/74 Heading D1N A fiber layer depositing apparatus comprises a hammer mill 1 with a lower perforate wall 4 which connects by a conduit 7, 8 with a distributor 10 located above a foraminous forming surface 21,-the distributor having one or more rotating impellers 13 above a perforate bottom wall 12 and at least one plate member 15 extending inwards above the impellers to divide off an upper portion of the distributor from which a recycling outlet 16 leads via a conduit 17 to an inlet of the hammer mill 1. Large fiber clumps bend toward the top of the distributor and are recycled to the hammer mill for further processing. Air pumps 6 and 18 are located in the conduits. The forming surface passes above a suction box 22. Rollers 24, which may be driven, lie against or just above wire 21 and may have a small gap between them and crossways walls of the distributor.
Patent GB-1534409-A (GB)
Title: Buildings with external service structures
IPC: E04B1/34
Filed: 1976-11-12
Abstract: 1534409 Buildings with external wind bracing ETAB D'ETUDES ET DE RECHERCHES ARCHITECTURALES 12 Nov 1976 [20 Feb 1976] 47227/76 Heading E1A A building has at least one floor formed of a plurality of concrete beams joined together side by side to form an integral unit. The or each floor unit is connected to vertically extending wind bracing structures by bearings one of which 22 accommodates vertical movements only i.e. has only one degree of freedom and another of which 23, 24 accommodates vertical movements and movements along one direction in the plane of the floor i.e. has two degrees of freedom. The wind bracing structures 6, 7 also provide access into the building for people and services. The degree of freedom allowed by the bearings 23, 24 is transversely of the beams forming the floor, which beams extend transversely of the longitudinal extent of the floor and are urged together by tensioning cables extending through them. The bearing plates may be of steel, coated with polytetrafluoroethylene. Specification 1526972 is referred to.
Patent GB-970103-A (GB)
Title: Improvements in machines for sorting articles
Inventor: RABINOW JACOB
IPC: B07C3/08
Filed: 1962-12-17
Abstract: 970,103. Endless conveyers. CONTROL DATA CORPORATION. Dec. 17, 1962, No. 47488/62. Heading B8A. A machine for sorting letters comprises a structure having openings covered by vertically tilting gates 26, cam means for opening and closing the gates according to a coded programme, undulating members 50 for propelling the letters across the openings and incorporating at one end 51 two swinging arms 59, 60, supporting gate controlling cam followers 68, 63 and adjustable coding wheels 61 mounted on a shaft 62. Each gate 26 comprises a plurality of laterally spaced triangular wire frames transversely coupled by a brace 34 and secured to a transverse shaft 33. The latter extends through one side plate 12c of a supporting frame 12, to engage an adjustable toggle device 38 for maintaining the gate 26 either open or closed and extends through another side plate 12B where it is secured to a double cam 36. The two operating faces of the cam 36 diverge at both ends and operation is effected by the follower 68. Operation of the gates 26 is controlled by adjustable coding bars 65 matching the coding wheels 61 and the follower 63 engaging a cam track 64. The propulsion members 50, 51 are connected to endless roller drive chains 15, 16, 17 which run on resilient strips 40, 41, 42 secured to the frame 12, and are interdigitated with the gates 26 and guides 44 in which are provided letter inserting openings. A letter pocket 88 is positioned beneath each gate 26. A plurality of the above-described units may be stacked vertically, the letters being transferred from one level to another by means of laterally spaced arcuate plates 27 and guides 46. In the latter case, a single endless conveyer comprising the chains 15, 16, 17 and the members 50 would serve all levels of the stack. Specification 824,076 is referred to.
Patent GB-1074451-A (GB)
Title: Improvements in or relating to speed or temperature regulated driving transmission
Inventor: COPLEY DONALD WILLIAM
IPC: F01P7/04
Filed: 1962-12-18
Abstract: 1,074,451. Hydraulic couplings. SMITHS INDUSTRIES Ltd. Dec. 17, 1964 [Dec. 18, 1962], No. 47792/62. Heading F2C. In an hydraulic coupling for driving a radiator cooling fan of the kind wherein a disc 16 fast with a driving shaft 14 is coupled by a fluid film to an output housing 12, 22 which includes a partition 21 that separates a reservoir from a working chamber and has an inlet part 28 controlled by a valve strip 31 in response to temperature or speed, an outlet duct 27 is disposed in a part of the housing which surrounds an annular gap between the disc 16 and housing and a projection 23 of the housing is formed on the trailing side of the duct 27 to force fluid through the duct whereby the working chamber may be almost completely emptied. The heading edge of the projection may be V- shaped with the duct located near the bottom of the V. Interdigitating annular lands are formed on the disc 16 and housing 12. The valve strip 31 may be carried by a shaft 30 the rotational position of which is controlled by a spiral bimetallic strip, Fig. 1 (not shown), or the valve strip may be controlled centrifugally.
Patent GB-1091084-A (GB)
Title: Improvements in and relating to hydraulic brake operating or clutch operating systems
IPC: F16D65/28
Filed: 1963-12-04
Abstract: 1,091,084. Hydraulic brakes; clutch control. BUTTERLEY CO. Ltd. and P. G. WESTMORELAND. Dec. 7, 1964 [Dec. 4, 1963], No. 47825/63. Headings F2F and F2L. An hydraulic brake or clutch operating system, particularly for overhead cranes, winding, hoisting or driving equipment, comprises a piston/cylinder brake or clutch actuator 11, a continuously-operating power-driven pump 14, an uninterrupted line 13 from the output side of the pump to the actuator to place said actuator in constant hydraulic communication with the pump, a plurality of solenoid-operated relief valves 26a, 26b and 26c, each relieving at a different pressure and each arranged to bypass the supply from the output side of the pump back to the inlet side thereof, and a single operator's control 18 remote from the valves and operatively connected thereto by electrical lines 27 so that the valves may be either selectively operated to control the degree of brake or clutch engagement or disengagement or consecutively operated to obtain graduated control. For this purpose, valves 26b and 26c are combined with preset release valves 21b and 21c. When valve 26a is opened, return flow occurs at zero pressure. On selection of valve 26b, return flow occurs at a higher pressure through its preset release valve 21b. On selection of valve 26c, return flow occurs through its preset valve 21c at even higher pressure. Finally, flow can occur through the preset valve 21a. Although the brake 10 is illustrated as being pressure applied and spring released, it could alternatively be pressure released and spring applied.
Patent GB-1161953-A (GB)
Title: Improved Cellulose Ether Composition
Inventor: CHAMBERS WILLIAM CHARLES
IPC: C08B11/20
Filed: 1967-10-20
Abstract: 1,161,953. Surface modified cellulose ethers and compositions containing them. DOW CHEMICAL CO. 20 Oct., 1967, No. 47914/67. Headings C3A and C3F. A water-soluble particulate cellulose ether which has been subjected to an aldehydic surface treatment contains a basic pH buffering agent which is an alkali metal or ammonium salt of a weak protonic acid in a sufficient quantity to maintain an aqueous solution of the ether at pH 7.5-9.5. Methyl, hydroxyethyl and hydroxypropyl celluloses are specified which have been glyoxal treated. The pH buffer may be sodium tetraborate or a salt of carbonic, phosphoric, acetic or citric acid. The surface treatment may be effected by spraying the ether with glyoxal dispersed in a surfactant polyoxyalkylene glycol ether.