baber/WOPTO huggingface dataset:
Patent GB-865367-A (GB)
Title: Improvements in or relating to microwave supporting structures
Inventor: WALKER GEORGE BRIAN
IPC: H01P3/12
Filed: 1957-08-28
Abstract: 865,367. Waveguides; coaxial lines; cavity resonators. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Aug. 28, 1958 [Aug. 28, 1957], No. 27073/57. Class 40(8) A microwave supporting structure has at least one reflecting wall comprising a quarterwave layer of dielectric material spaced a quarter-wave from a metal surface, the dielectric constant and loss factor of the dielectric material bearing a specified relation to the conductivity and permeability of the metal surface and the angular frequency of the supported microwave such that there is greater reflection from the combination of dielectric surface and metal surface than from the metal surface alone. Dielectric materials comprising ceramics consisting mainly of titanium dioxide are referred to. Laminated dielectric/air material can be used provided the electric field is substantially normal to the direction of lamination. As shown in Fig. 2 the dielectric surfaces 5 extend between the broad faces of the rectangular waveguide 6. In the construction shown in Fig. 3 a coaxial dielectric layer 7 is spaced from the guide wall 8 by a layer 9 of expanded polyethylene or polystyrene, the thickness of the layer 7 being small compared with that of the guide radius. In the cylindrical resonant cavity shown in Fig. 4 two #/4 discs 10 of dielectric material are spaced #/2 apart and #/4 from the end walls 11 of the cavity which is fed by an input loop 12 opposite an output loop 13. Cavity losses can be further reduced by increasing the radius of the side wall 14 and adding a cylindrical #/4 dielectric liner spaced #/4 from the side wall between the discs 10. The reduction in endwall losses is substantially independent of whether H- or E-mode waves are propagated, provided the dielectric constant of the material is greater than 10, except near the cut-off frequency.
Patent GB-1481007-A (GB)
Title: Manufacture of components from powders and preformed elements
IPC: B22F7/06
Filed: 1973-04-05
Abstract: 1481007 Sintering sprayed coatings ASSOCIATED ENG Ltd 3 July 1974 [5 April 1973] 00270/77 Divided out of 1481006 Heading C7F An electrically-conductive powder is flame- or plasma-sprayed on to a conductive substrate, and sintered by the application of pressure and an alternating current or a chopped direct current. In one embodiment, the substrate 18 having a coating 17 is placed in a die 1, made of, or lined with, insulating material, and compressed by ram 4 between metal punches 2, 3, current being supplied from source 13. In another embodiment, the coated substrate may be passed through electricallyconnected rolls. As example refers to coating a valve stem with a "Stellite", RTM alloy, containing Co-Cr-Ni-W; other suitable coatings being W-Ag or Cu; WC-Co on steel and Al/Al 2 O 3  on Al alloy.
Patent GB-1234953-A (GB)
Title: Mechanically bundled yarn and a process for the production thereof
IPC: D02G3/28
Filed: 1968-06-06
Abstract: 1,234,953. Variable twist yarn. NIPPON RAYON K.K. 6 June, 1968 [6 June, 1967 (2)], No. 27084/68. Headings D1F and D1W. A mechanically bundled yarn of variable twist is formed from at least two members A(1), B(1) each of which is formed from one or more filament structures F1, F2, F3, F4, the two members A(1), B(1) being alternately twisted in the S and Z directions and alternately entwisted in the S and Z directions, the direction of entwist being opposite to the direction of twist. The filament structures are preferably continuous filaments or multifilament structures, and are formed from viscose rayon, cellulose acetate, a polyamide, a polyester, a polyacrylonitrile, a polyolefin or a polyvinyl alcohol or a mixture thereof. A process for producing the above yarn comprises linearly advancing a multifilament yarn, separating the yarn into a plurality of members each of which is formed from one or more filament structures whereby the members are in substantially parallel but spaced relation and intermittently but simultaneously moving the members into contact with a cam to impart a twist torque in the same direction to each member, the torque being effective to entwist the members in the adverse direction, the surface of the cam being made of natural rubber, polyurethane, polybutadiene or polychloroprene. The members may be separated by means of a jet of fluid, as at 5, or may be electrostatically separated. After the separated members have contacted the moving surface and have been collected together at 3', they may be passed through a heater 7 before being wound at 9.
Patent GB-1336458-A (GB)
Title: Animal milking apparatus
IPC: A01J5/017
Filed: 1971-04-19
Abstract: 1336458 Milking apparatus TURN-STYLES Ltd 19 April 1971 [24 April 1970] 27177/71 Heading AIM Apparatus for supporting teat cup assemblies and removing teat cups after milking, comprises a pivoted lever 9 which pinches a vacuum supply hose 4 when force is applied to its lower end 15. A cord 13 connects the teat cup assembly to a piston 8. When the assembly is held by an operator, or in position on the animal, no force is applied to the end 15 and the hose 4 is open. After milking, the piston is withdrawn, hydraulically or pneumatically to end 7a, force being exerted at the lever end 15 terminating the vacuum supply, the assembly falling free and simultaneously retracting. Actuation of the piston 8 is controlled manually or by a trip mechanism. The hose 4, together with a pulsator hose 5, is mounted on an arm 1 which is pivoted manually or by a hydraulic or pneumatic ram unit to its operating position.  In a modification, a variation in milking time is provided by a mechanical timing unit. Alternatively, solenoid switches coupled to milk flow meters are used. The end-point of milking may be detected by a photo-electric detector incorporating a photo transistor which is affected by light reflected from the milk. A further modification uses a float on the milk to activate a switch.
Patent GB-1513668-A (GB)
Title: Intravenous fluid delivery system
IPC: A61M5/172
Filed: 1975-06-27
Abstract: On intravenous administration of liquids into the human body it is important that the flow of liquid is controlled and that an alarm signal is triggered if flow stops. The liquid supply unit comprises an infusion bottle (12) which is fastened on a stand (11). A pump (15) with its actuation member (10) is also fitted to the same stand. Between the infusion bottle (12) and the pump (15) there is provided a drop separator (13). A bead (25) floats on top of the liquid in the drop separator (13). If there is no liquid in the drop separator the bead (25) seals off the section (24) relative to the outflow tube (14), so that a vacuum is formed in the pump (15). Due to the existence of the vacuum a signal is triggered by an alarm system and signals the absence of a flow of liquid. <IMAGE>
Patent GB-282193-A (GB)
Title: Improvements in apparatus for adding re-agents to water
IPC: C02F1/68
Filed: 1926-11-01
Abstract: 282,193. Jones, J. F. Nov. 1, 1926. Incrustation and corrosion, preventing. -A vessel A containing reagent is placed in a byepass C, F between the inlet and outlet main M<1> M<2> of a filter or base-exchange treatment-vessel M, so that the difference between the inlet and outlet pressures control the amount of reagent supplied to the water in the outlet main M<2>. Valves D, G and a meter H are provided.
Patent GB-203556-A (GB)
Title: Improvements in and relating to clock-work actuated electric switches
IPC: G04C23/16
Filed: 1922-10-09
Abstract: 203,556. Winterling, W. F. Oct. 9, 1922. Clockwork actuation of a switch, applicable to lamp circuits of motor vehicles, comprises contacts 8, 9 normally held in engagement by a spring 10 mounted on a support 6 to which a lever 7 is pivoted. A roller 15 co-operates with a cam surface 14 secured to a pinion 12 engaging a pinion 11 on the hour-hand arbor, thereby rotating the lever T about its pivot and making and breaking circuit at given times.
Patent GB-208610-A (GB)
Title: An improved felt or carrier for paper making machinery
Filed: 1922-10-10
Abstract: 208,610. Reddaway, F. Oct. 10, 1922. Felts. - A drying felt or carrier for paper machines is constructed with a warp of hair such as goat hair, alpaca, or the like, and a weft of cotton or other vegetable fibre so woven that the face of the felt or carrier is of hair. This result is obtained by using a sufficient quantity of warp and employing a close reed, with the result that the cotton weft is covered or buried in the hair warp and so protected from the action of the pulp.
Patent GB-1283075-A (GB)
Title: Improvements in or relating to filter units
Inventor: ALLAN DENNIS JOSEPH
IPC: B01D17/00
Filed: 1969-05-30
Abstract: 1283075 Filters ASSOCIATED ELECTRICAL INDUSTRIES Ltd 29 May 1970 [30 May 1969] 27464/69 Heading B1D A two-stage filter for removing entrained water from oil or other non-aqueous liquid comprises a closed container 8 divided into two chambers by a tubular partition 17, the outer chamber 20 containing filter material 18 of the molecular sieve type and the inner chamber containing secondary filter material 14. The liquid to be treated is fed in through pipe 2, flows up through filter material 18, weirs over the top of the partition 17 into annular cavity 21, and then passes radially through the filter material 14 to the outlet pipe 3. The apparatus is particularly suitable for removing entrained water from insulating oil employed in transformers and reactors; in this application, filter material 18 is in the form of pellets of an alkali silico-alumina compound, and filter material 14 comprises a cylindrical paper element which is closed at its upper end by metal cap 15. A gauze 19 prevents entry of molecular sieve pellets into the oil supply pipe 2. When the pellets become saturated with water, valves 4 and 7 are closed, plug 13 is removed to allow oil to drain from the container, then cap 12 is removed and the pellets are caught in a suitable manner. The lid 9 may also be opened to allow any remaining pellets to be scooped out. Cap 12 and plug 13 are then replaced; and a fresh supply of pellets is poured into chamber 20. The paper element 14 may be replaced at the same time, if necessary. An electrode such as a metal plate may be disposed within the molecular sieve material in chamber 20; and the electrical resistance between the plate and the wall of the container may be measured in order to determine when the molecular sieve material becomes saturated with water. Also described is a two-stage filter unit (Fig. 3-not shown) wherein the molecular sieve material is contained within a metal inner container of annular form having perforated top and bottom end walls. This construction facilitates replacement of the molecular sieve material.
Patent GB-186844-A (GB)
Title: Improvements in packeting air-pump washers
IPC: B65D83/04
Filed: 1921-10-17
Abstract: 186,844. Caunt, A. T., and Bluemel Bros., Ltd. Oct. 17, 1921. Packing air-pump washers.- Air-pump washers c are packed in a metal or other tube a, which is open at both ends, may be slit at b and is of a diameter to engage the washers closely. The tube containing the washers may be wrapped in grease-proof paper and enclosed in a box.
Patent GB-298894-A (GB)
Title: Process of and apparatus for denitrating residuary acids
IPC: C01B17/94
Filed: 1928-09-25
Abstract: 298,894. Schmid, A., and Meissner, J. Oct. 15, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Nitric acid; sulphuric acid. - Residuary sulphuric acid such as that obtained in making nitroglycerine is denitrated by being heated in a vacuum such that the bulk of the nitric acid is separated before a temperature is attained at which organic substances are acted upon. The subsequent reaction with organic substances serves to remove the remaining nitric acid and leave pure sulphuric acid. The treatment is carried out in a still heated externally by a furnace, oil or gas burner, or an electric heater, and fitted with baffles to give a tortuous path for the liquid. Residuary acid is fed by a pipe 1 to the top of a dephlegmator 2 and passes into a horizontal still 5 having baffles 6 and surrounded by heat-insulating material 7. The acid passes through a region heated by an electric heater 8. The heated acid flows away through immersed pipes 10 which serve to heat the incoming acid and is discharged through a barometric pipe 12. Nitric acid vapours are drawn by a vacuum pump 15 through the dephlegmator 2 and cooler 13, the condensation from which collects in a vessel 14. Uncondensed nitrogen oxides pass into towers 16. A vacuum of 190-200 mm. of mercury is maintained in the apparatus and the heating is arranged so that the acid attains a temperature of 120‹ C. when leaving the region 8, but subsequently attains a temperature of 145-150‹ C. due to the heat generated by the oxidation of the organic substances.
Patent GB-1223084-A (GB)
Title: Mold for injection-molding of thermoset materials
IPC: B29C45/26
Filed: 1969-05-30
Abstract: 1,223,084. Injection moulding machines. OSLEY & WHITNEY Inc. 30 May, 1969 [1 Nov., 1968], No. 27561/69. Heading B5A. A mould for injection moulding thermosetting materials comprises means for heating first and second mould elements 10, 11, the first of which has a mould cavity 9 or 9<SP>1</SP>, and means for cooling a third mould element 12 which is provided with injection supply passage means 44 extending into and substantially through a port 43 in the second mould element 11. The elements 11, 12 are separated by thermal insulation 40, e.g. asbestos. Cartridge type heaters (52) received in passages 52<SP>1</SP>, 53<SP>1</SP> in mould elements serve to cure the material in the mould cavities while cooling liquid is circulated through passages 54, 55 to prevent premature setting of plastics material in the supply passages. The injection supply passage means 44 comprises a generally conical sprue bushing which is spaced from the port 43 in element 11 by a heat insulating air gap. The bushing 44 is provided with a series of interconnected cooling passages 64 ... (72), Fig. 4 (not shown). As shown, four bushings, as 44, are provided, each supplying two mould cavities, the bushings having passages 48 connected by passages 20, 21, 18, 19 to a primary sprue bushing 15. An ejector plate 33 carrying ejector pins 37, 38 is operable .by mechanism (not shown) through an opening 36. Thermocouples 50, 51 are connected to temperature control systems.
Patent GB-852884-A (GB)
Title: Improvements relating to fuel-injection pumps for compression-ignition internal combustion engines
Inventor: MORRIS JOHN NEVILLE
IPC: F02M59/44
Filed: 1958-08-28
Abstract: 852,884. Fuel injection pumps. S. U. CARBURETTER CO. Ltd., and SIMMONDS PRECISION PRODUCTS Inc., [formerly SIMMONDS AEROCESSORIES Inc.]. June 1, 1959 [Aug. 28, 1958], No. 27587/58. Class 102(1). A fuel injection pump comprises a small plunger 10 associated with a pumping chamber 28 and a large plunger 11 associated with a pump chamber 26, the two plungers being urged into contact with a cam 15 by a spring 20. The plunger 10 contacts an abutment 17 of the plunger 11 from which leads a passage 18. Fuel is fed. by a feed pump 2 to the chamber 28 and an auxiliary liquid, other than fuel, is fed by a feed pump 7 to the chamber 26. As the plungers move on their delivery stroke fuel is discharged through conduit 35 and the auxiliary liquid through a small bore conduit 29 and as the pressure in the chamber 26 increases quicker than that in the chamber 28 the auxiliary liquid acts on the lower end of the plunger 10 to separate the plungers and part of the auxiliary liquid is by-passed through the passage 18. Such an arrangement ensures that the pressure in the chamber 26 is approximately the same as that in the chamber 28 throughout the discharge of fuel. The fuel is fed to the engine cylinders under the control of a metering valve 43 and a by-pass valve 32 and the auxiliary liquid is used to ensure sealing of these valves as described in Specification 834,710.
Patent GB-1222632-A (GB)
Title: Preparation of methane sulphonamides
Inventor: MARTIN LEROY
IPC: C07C311/02
Filed: 1969-06-02
Abstract: 1,222,632. Methane sulphonamides. PENNWALT CORP. 2 June, 1969 [11 June, 1968], No. 27822/69. Heading C2C. Methane sulphonamide and its N-alkyl and N,N-dialkyl derivatives are prepared by reacting methane sulphonyl chloride with ammonia or a primary or secondary alkylamine (containing from one to twelve carbon atoms in the or each alkyl group) in the presence of a substantially anhydrous nitroalkane (having from one to four carbon atoms) as a liquid diluent. The reaction is preferably carried out at 50-70 C. using a weight ratio of diluent : methane sulphonyl chloride of 3 : 1 to 4 :1 and the sulphonamides may be isolated by raising the temperature, e.g. to 50-80 C., filtering or centrifuging to remove the insoluble ammonium or amine hydrochloride, and then cooling. Examples detail the preparation of methane sulphonamide and its N-methyl and N,N-dimethyl derivatives.
Patent GB-1040436-A (GB)
Title: Magnetic element for nondestructive data store
Inventor: HARDWICK ALBERT JAMES
IPC: G11C11/14
Filed: 1963-07-15
Abstract: 1,040,436. Magnetic storage devices. BURROUGHS CORPORATION. July 15, 1963, No. 27988/63. Heading H1T. [Also in Division H3] A magnetic storage device for non-destructive read-out comprises a magnetic film 22 (Fig. 1) having adjacent areas with easy axes of magnetization parallel to one another but having different anisotropy fields. In Fig. 5, notation of the magnetic vectors of the outside areas perpendicular to the easy axis (vertical in the Figure) requires a substantially higher field HT 1  (Fig. 6) than the field H 2 T 2  required to effect such a movement of the magnetic vector in the central area shown white in Fig. 5, b. The demagnetization fields HM (Fig. 5, d) due to the fields in the outside area cause the magnetic vector in the central area to move past the 90 degrees mark but in writing the " 1 " shown in Fig. 5, c, are preferably assisted by a field - Hp. The magnetic member can then be interrogated by a pulse providing a field HT 2  producing output pulses at, e.g., t 5 , t 6  (Fig. 6) and is returned to the " 1 " state by the demagnetizing fields of the outside areas at the termination of this pulse. The different anisotropy areas of the magnetic field may be produced by varying the angle of incidence between the substrate and the vapour beam depositing the magnetic material. Alternatively the ores having the higher anisotropy field may be deposited on insulation coating covering a coating of aluminium evaporated obliquely on to a glass substrate heated to below a critical temperature. A memory system incorporating the devices is described (see Division H3).
Patent GB-935333-A (GB)
Title: Apparatus and method for delivering filaments on to work surfaces
Inventor: YOUNG RICHARD ELLIOTT
IPC: B29C53/80
Filed: 1959-08-17
Abstract: <FORM:0935333/IV(a)/1> <FORM:0935333/IV(a)/2> <FORM:0935333/IV(a)/3> A method of delivering coated filaments in predetermined spaced relationship as a band of parallel filaments on to a work surface comprises transporting a plurality of filaments from spaced positions in converging relation on to a toroidal inner surface, leading the filaments from the toroidal surface as the band to the work surface and regulating the desired parallel relationship and spacing between the filaments of the band by adjusting the spaced positions of the filaments, relative to each other.  Figs. 1 and 2 show apparatus for forming elements by winding filaments 2..5 on to a mandrel 1.  The filaments are drawn through toroidal delivery ring 6 and wound on to the mandrel 1.  Ring 6 is mounted in a carriage which reciprocates longitudinally of the mandrel.  The filaments 2..5 are delivered through guides 25..28 and adjustable slippers 21..24 mounted on reciprocating carriage members 11 and 12.  Toroidal ring member 6 is carried by support member 7 mounted by arm 8 on to reciprocating carriage member 9, Fig. 2. Funnel 45, adapted to hold adhesive 49, is mounted on member 7.  The adhesive 49 is retained by a vertically adjustable plug 50, Fig. 3, made of yieldable resilient plastic material, e.g. polythene, which engages ring 6 in such a way as to permit adhesive coated filaments to pass downwards between the lower rim 58 of the plug 50 and the member 6.  The "filament" may be either an elemental single strand or may be made up of a plurality of strands which may be of the same or of different materials. Specifications 803,270 and 935,332 are referred to.
Patent GB-515829-A (GB)
Title: Improvements in or relating to automatically operating presses or machines for moulding plastic substances
IPC: G05G15/00
Filed: 1938-06-03
Abstract: 515,829. Automatically-controlled moulding presses. MOLDED INSULATION CO. June 3, 1938, No. 28188/39. Convention date, June 5, 1937. Divided out of 515,790. Drawings to Specification. [Class 87 (ii)] The claims are directed to the means described with reference to Fig. 3 of the drawings of Specification 515,790 for stopping the press and preventing damage to its parts in case a moulded article fails to be delivered into a receptacle and to tilt a switch-operating platform.
Patent GB-1021125-A (GB)
Title: Improvements in or relating to a bag holder
IPC: B65B67/12
Filed: 1964-07-08
Abstract: 1,021,125. Sack holders. A/S EXTRUSION. July 8, 1964 [Feb. 27, 1964], No. 28235/64. Heading B8C. [Also in Division A4] A holder for a plastic foil bag for refuse, consists of an upper frame 6, holding the mouth of the bag open, and a lower frame, support. ing the closed base of the bag and formed by frames 1, 2, connected to each other by stiffeners 3, 4 and to the upper frame by supports 5, and a rotatable magazine roller 12. carrying a web of bags which are separated from each other by transverse seams and tear lines 14, the holder being formed with an opening through which the web is drawn upwardly for replacement of a fitted bag by an empty one. The holder is of plastic-coated wire and the frame 6 has an aperture 7 so that it resiliently compresses for the folding over of the mouth 15 of a bag. The roller is supported on extensions 11 of two of the supports 5 and the opening through which the web is drawn is defined by a bar 9, and a bar 10 of a support 8, the bars being welded to the ends of stiffeners 4. Eyes 17 are provided for mounting the framework on a door, wall &c. and, in modifications, the framework is supported on the floor, the roller is supported in a tubular or trough-shaped container and the mouth of the bag is secured to the upper frame by means other than folding over.
Patent GB-259056-A (GB)
Title: Improvements in luggage carriers for cycles and other vehicles
IPC: B62J7/02
Filed: 1925-11-10
Abstract: 259,056. Smith, A. Nov. 10, 1925. Luggage-holders comprise a central platform C provided with transverse slots D to receive lugs on side extensions E, F, which can thus be made to slide outwards to increase the width of the carrier. The extensions are secured in their extended and collapsed positions by means of thumb-screws H. The luggage is retained in position by spring grips J, or by a collapsable ladder framework along the edge of each extension, or by straps passed through slots in downturned flanges on the edges of the extensions. The platform and extensions may be stamped from sheet-metal, and may be strengthened by corrugating the material.