baber/WOPTO huggingface dataset:
Patent GB-1208837-A (GB)
Title: Electric switch with time-lag element
Inventor: MARQUARDT EWALD
IPC: H01H7/03
Filed: 1968-10-28
Abstract: 1,208,837. Retarding action of switches. E. MARQUARDT, J. MARQUARDT, H. MARQUARDT, and E. MARQUARDT, [trading as J. & J. MARQUARDT]. 28 Oct., 1968 [28 Oct., 1967], No. 50942/68. Heading H1N. An electric switch includes a time-lag element formed as a closed hollow-body 7, 8 with a variable volume, an air escape opening, a contact arm 2 carrying contact 11 for engagement with fixed contact 12 and a transfer element 13, contact arm 2 varying the volume of hollow body 7, 8 upon actuation of the switch to delay closing the contacts but not delay opening of the contacts. As shown, when a force, unspecified, pushes contact arm 2 down it pushes through transfer element 13 piston 8 down in cylinder 7, air escaping between sealing lips 10 of piston 8 and cylinder 7 to retard the closing of contacts 11, 12. When the force on contact arm 2 is released contact arm 2 is free to be raised with no delay and piston 8 is raised by spring 9, air entering the hollow body 7, 8 between the lips 10 and cylinder 7 to delay the return of the piston. In a second embodiment, Fig. 2 (not shown), transfer element 13 bears on a valve in a rubber sleeve so that when a force is exerted on arm 2 the valve is closed and the rubber sleeve pushed down with a small aperture for air escape delaying it but when the force on arm 2 is released the valve is opened so that the rubber sleeve quickly returns to its original position under its own resilience.
Patent GB-1393637-A (GB)
Title: Electric power supply arrangement for aircraft
IPC: H02M7/12
Filed: 1973-11-02
Abstract: 1393637 Converting; standby system SIEMENS AG 2 Nov 1973 [2 Nov 1972] 51113/73 Headings H2F and H2H A method of converting energy from a D.C. supply 2 to A.C. at 3 comprises converting, at 4, the D.C. to A.C. having a fundamental frequency at least 10 times the required frequency at 3, stepping up the high frequency voltage at 7, to a voltage of the order of that required at 3, rectifying at 8 said stepped up voltage and converting at 9 the rectified voltage to an A.C. of the required frequency. The voltage step-up may thus be achieved by means of a lightweight high frequency transformer 7 so that the system is applicable for use in aircraft. The battery 2 may be 28V, the high frequency produced by the inverter 4 may be between 10-30 kHz. After step-up by transformer 7, rectifier 8 may produce 200 V which is inverted at 9 to give 115 V, 400 Hz at the output 3. The rectified output is preferably equal to the peak value of the required output at 3. Inverter 9 is controlled by pulse patterns from 11 arranged so as to minimize harmonics in the output 3. Voltage regulation is achieved by monitoring by means of a voltage transformer 14 and comparing with a reference, derived from the control pulse pattern generator 11 so as to act on the control pulse generator 6 for the inverter 4. Threephase output is also envisaged.
Patent GB-1415673-A (GB)
Title: Gas discharge panel and method of fabrication
IPC: H01J17/49
Filed: 1972-11-07
Abstract: 1415673 Gas discharge display panels OWENS-ILLINOIS Inc 7 Nov 1972 [9 Nov 1971] 51252/72 Heading H1D A gas discharge panel comprises a non- conductive substrate 10, a first conductor array 11 on said substrate, a dielectric layer 12 on the substrate over said first conductor array, a second conductor array 13 located on the opposite surface of said dielectric layer to the first conductor array, cross-points of the conductors in the two arrays defining respective discharge areas, means for confining a gaseous medium to the region of said opposite surface of the dielectric layer, the arrangement being such that the first conductor array 11 is not in contact with the gaseous medium, and means at each discharge area for defining a discharge site which is isolated from discharge sites at adjacent discharge areas. The gaseous medium may be two or more gases selected from Ne, A, Xe, Kr, and Ra with the optional addition of Hg and/or He, and the said means for confining the medium may be a rib of glass frit (not shown) to which is sealed a viewing cover-plate 19. The said means for defining the discharge sites may be either a plurality of depressions 15 or dots of photo-emissive material. The depressions 15 may be formed by photoetching or by laser beam or sonic drilling and may be located over the bottom conductors 11 and adjacent the top conductors 13 as shown, or alternatively need not be in alignment with any of the conductors. The panel may be made either by printing conductors 11 of Au, Ag or Cu or by fastening wires by adhesive on the substrate 10 which may be curved, and then applying a dielectric coating 12, e.g. of lead borosilicate glass. The cavities 15 may be formed either before or after conductors 13 are applied in the same way as conductors 11. A layer 16 which may be either non-conductive or conductive and discontinuous but is preferably a good photo-emitter is then applied by vapour deposition. Suitable non-conductive materials are an oxide of Pb, Si, Al, Ti, Zr, Hf, Mg, Be, Ca, Sr, Ba or rare earth. Suitable conductive materials are Zn, Pb, Au, Cu, Ag. Each conductor 11 may be covered with an etch resistant coating (Fig. 5, not shown) e.g. of alumina or chrome nitride prior to forming the cavities 15 by etching. The layer 16 may be omitted or may be replaced by a phosphor layer. The electrodes may be split longitudinally with the depressions 15 positioned between the two halves of each split electrode.
Patent GB-1174067-A (GB)
Title: Slip Ring Assembly and Method of MAking it
Inventor: SCHREIECK RAINER
IPC: H01R39/08
Filed: 1966-11-16
Abstract: 1,174,067. Slip-rings. TELDIX LUFTFAHRT - AUSRUSTUNGS G.m.b.H. 16 Nov., 1966, No. 51299/66. Heading H2E. A slip-ring assembly comprises a cylindrical body formed of a plurality of electrically insulating, longitudinally extending portions and in which electrical connection to a slip-ring is made by a conductive strip or layer sandwiched between an adjacent pair of portions. The body may consist of semi-cylindrical or quartercylindrical prisms or, as shown, a number of stacked plates 1-5 of which those 2-5 each carry a cruciform conductive path extending from an exposed terminal end 2<SP>1</SP> to spaced locations 2<SP>11</SP>-5<SP>11</SP> where grooves 6-9 are subsequently machined. After turning, silver rings are deposited in the grooves. Several plates on which a repeated conductive pattern is formed may be assembled then cut to provide a plurality of bodies. Conductive paths provided on both surfaces of the plates may be insulated by separate layers or by the laminating adhesive.
Patent GB-1333057-A (GB)
Title: Fixing powder material having a solvent soluble component  onto a support member
IPC: G03G15/20
Filed: 1970-11-02
Abstract: 1333057 Vapour fixing apparatus XEROX CORP 2 Nov 1970 [6 Nov 1969] 51971/70 Heading G2 H Sheets 10 bearing developed latent electrostatic images are fed in turn through a chamber 20 where the images are fixed by solvent vapour, the inlet and outlet openings for the sheets being located above the vapour atmosphere so as to inhibit the escape of vapour from the chamber. As shown, a sheet 10 trips a switch 90 which opens an inlet gate 40 allowing the sheet to be guided by a guide 85 beneath a wick 80 which is soaked with solvent from a reservoir 74. Sheet 10 then trips a switch 95 to open an exit gate 42. The vapour atmosphere may be alternatively generated by a nozzle (104), Fig. 5, (not shown) in a heated chamber (102). Dichloromethane is a preferred solvent.
Patent GB-1294115-A (GB)
Title: Laminates of gypsum board
Inventor: BECKMAN HUBERT J
IPC: E04C2/04
Filed: 1969-10-23
Abstract: 1294115 Gypsum board laminates ASHLAND OIL Inc 23 Oct 1969 52030/69 Heading B5N [Also in Division B1] A laminate having goodabrasion resistance and stain resistance is produced by either impregnating a paper or cloth sheet with a composition containing a resin and a copolymerizable monomer and bringing the impregnated sheet into contact with gypsum board, or impregnating the paper adhered to the gypsum of the gypsum board with a composition containing a resin and a copolymerizable monomer, and then subjecting the impregnated paper or cloth sheet and the gypsum or gypsum board to an elevated temperature, e.g. 200-400‹ F., and pressure below that at which gypsum board will crumble, e.g. 50-300 p.s.i.g., to cure the resin, the resin being a thermosetting unsaturated polyester resin having a reactivity number below 100, the paper or cloth sheet containing at least 25% by weight of resin solids based on the weight of the unimpregnated sheet. The paper may be decorative paper having a wood grain and the cloth may be woven or non-woven fabric, e.g. of viscose rayon. The resin may be prepared from maleic or fumaric acid with isophthalic acid and/or a bisphenol and a polyhydric alcohol. The impregnating composition preferably comprises a solution in an inert solvent, e.g. acetone, methylene chloride or a hydrocarbon, of the unsaturated polyester resin containing a copolymerizable monomer, e.g. styrene, dialkyl phthalate, vinyl toluene or methyl methacrylate and a catalyst, e.g. benzoyl peroxide or cumene hydroperoxide. The impregnating composition may also contain colouring agents, temporary blocking agents, foam inhibitors, flow control agents, e.g. magnesium silicate or silicon dioxide, stabilizers, e.g. hydroquinone, and fillers. After impregnation the sheet material may be dried without substantially curing the resin. The surface of the laminate may be made more abrasion resistant by providing over the impregnated sheet an overlay sheet comprising a resin containing 15-30% by weight of paper, alpha cellulose, fibreglass, viscose rayon or Orlon (Registered Trade Mark). The laminates may be formed in a press, there being placed between the platen of the press and the overlay sheet or impregnated sheet, a caul plate, e.g. of aluminium, to impart a desired surface finish to the laminate and to prevent the resin from adhering to the press platen, and optionally a release paper, and between the gypsum board and the other press platen a cotton asbestos pad to prevent contact between the gypsum board and the press platen and permit the escape of steam from the gypsum board. A two-laminate lay up may be used in the press, the gypsum boards being back to back and optionally having a porous asbestos cotton pad between them.
Patent GB-1486895-A (GB)
Title: Bottle holder
IPC: A47G29/18
Filed: 1973-11-10
Abstract: 1486895 Bottle supports J MINNIKIN 15 Jan 1975 [10 Nov 1973] 52268/73 Heading A4B A bottle holder comprises a wall plate 1 supporting a collar 7 for retaining the bottle neck, the collar 7 being pivotable between an operative, outstanding position, Fig. 1, and a retracted one, Fig. 2 (not shown). The collar 7 is preferably hinged to a slide 71 located behind a plate 4, and a support 9 for the bottom of the bottle 14 may be provided, the support 9 also being retractable from an operative position in which it is held by a pivotably mounted keeper 10. A double collar 72, Fig. 5 (not shown), may be provided for engaging two bottles together, and the collar may support the bottle neck in an inverted condition, Fig. 6 (not shown), e.g. for drip feed purposes.
Patent GB-1293131-A (GB)
Title: Improvements in and relating to copper/iron/aluminium alloys
Inventor: GOODWIN ROBERT JAMES
IPC: C22C9/00
Filed: 1968-11-05
Abstract: 1293131 Fe-Cu-Al alloys NATIONAL RESEARCH DEVELOPMENT CORP 4 Nov 1969 [5 Nov 1968] 52338/68 Heading C7A An alloy consisting of: - Al 5-15% Cu 35-70% Fe 20-50% has a copper-rich solid solution matrix containing a dispersed iron-rich solid solution phase, and has added thereto, in a sufficient amount to ennoble and/or provide an adherent protective film on, the Ferrich phase, up to 16À24% each of one or more of Co, Cr, Nb, Ni, Mo, Si, Ta, Ti, W and Zr. Uses:- Cutlery or architectural applications.
Patent GB-1373008-A (GB)
Title: Electronic components
IPC: H01L23/495
Filed: 1971-11-11
Abstract: 1373008 Integrated circuit assemblies HONEYWELL INFORMATION SYSTEMS ITALIA SpA 11 Nov 1971 [17 Nov 1970] 52519/71 Heading H1K Peripheral contact pads on integrated circuit chips are connected to sets of terminals disposed about chip mounting sites on an insulating substrate with the aid of an auxiliary support which has apertures corresponding to the site locations and bears on one face sets of conductive leads which are cantilevered into the apertures so that their inner ends line up with the pads on the chips. As described the chips, formed by scribing or etching from a common wafer, are held in the positions in which they are formed by having been dipped in a hardening but non-adherent fluid. The auxiliary support is located with one set of leads engaging the pads of one chip to which they are simultaneously soldered by ultrasonic or thermocompression bonding. This process is repeated to attach the pads of other chips to other sets of leads. After electrically testing the chips the support is laid over a ceramic substrate carrying two mutually insulated layers of conductors formed by electrolytic and serigraphic techniques, with the leads overlying corresponding terminals about each mounting site. The terminal pads may be built up by electroplating to be coplanar with the pads or the chips or the substrate recessed at chip sites to the same end. After bonding to the terminals the leads are severed outward of the terminals and the auxiliary support removed. The support is an apertured plastics sheet stuck to an aluminium foil from which the leads are photoengraved. If the plastics is photo-sensitive it may be apertured after attaching to the foil.
Patent GB-1418868-A (GB)
Title: Fluidised bed processing
IPC: F26B3/088
Filed: 1971-11-15
Abstract: 1418868 Fluidised bed evaporation, drying, coating and absorbtion HEAD WRIGHTSON & CO LTD 10 Jan 1973 [15 Nov 1971] 52875/ 71 Addition to 1119514 Headings B1B, B1F and B2E [Also in Division F4] A method of treating a first material in the form of substantially dry fluidisable particles with a second chemically different material in the form of a liquid or dissolved or suspended in or formed into a slurry with a liquid, comprises the steps of producing an ordered motion of the particles of the first material within a zone of a fluidised bed, and injecting a liquid or slurry comprising the second material directly into the zone in a direction which intersects the ordered, motion of the particles so that liquid droplets collide with the particles and coat them whereby efficient evaporation of liquid therefrom, or solidification of liquid thereonto, or absorption of liquid thereinto is effected. Thus granules of caustic soda covered sand can be formed by spraying a 48% caustic soda solution using the apparatus of Specification 1304253 (B1B) under the surface of a fluidised bed of sand e.g. formed in the apparatus of Figs. 1-4 of Specification 1111097 (F4B). White oil is similarly absorbed in fullers earth. Granules of zinc chloride are formed by spraying molten zinc chloride into a fluidised bed of zinc chloride granules using the apparatus disclosed in Specification 1304253 (B1B).
Patent GB-1495397-A (GB)
Title: Process for reducing nitrogen oxides
IPC: B01D53/86
Filed: 1974-12-11
Abstract: 1495397 Treating waste gases MITSUBISHI PETROCHEMICAL CO Ltd HITACHI Ltd and BABCOCK-HITACHI KK 11 Dec 1974 [12 Dec 1973 (2)] 53666/74 Heading C1A [Also in Division B1] Nitrogen oxides are reduced to nitrogen by contacting at elevated temperature a gaseous mixture containing nitrogen oxides and molecular oxygen and a reducing gas with a catalyst composition. Catalysts contain as active ingredients (A) tin, (B) molybdenum, tungsten and/or iron and optionally (C) copper, magnesium, aluminium, boron, titanium, silicon, antimony, vanadium, cobalt, nickel and/or manganese, the atomic ratio of (C), when present, to (A) being no greater than 0À02:1 and the elements (A), (B) and (C) being present in the form of an intimate mixture of their oxides. The catalysts may be supported on an inert carrier. The reducing gas may be hydrogen, a hydrocarbon, carbon monoxide or ammonia and the process is useful in the purification of waste gases.
Patent GB-1351973-A (GB)
Title: Process and apparatus for the manufacture of tubular films of synthetic organic thermoplastic materials which tubes are capable of shrinking longitudinally without changing their internal diameter
IPC: B29C48/10
Filed: 1971-11-19
Abstract: 1351973 Heat-shrinkable tubular films CHEMISCHE WERKE HULS AG 19 Nov 1971 [21 Nov 1970] 53794/71 Heading B5B Heat-shrinkable tubular films which are suitable for use in packaging foodstuffs and at the temperature of subsequent processing shrink in volume whilst retaining their predetermined internal diameter (i.e. they shrink only in the longitudinal direction) are prepared by a process which involves longitudinally stretching a tubular film at a temperature substantially below the melting range of the synthetic organic thermoplastic film material whilst at the same time maintaining the internal diameter of the film constant in the stretching zone. The films are prepared by longitudinally stretching a conventionally melt-extruded tubular film between feed godet rollers 9 arranged in stretcher stand 8 and draw godet rollers 11 arranged in a second stretcher stand 12, the film being inflated to its predetermined internal diameter by the injection of a gaseous or liquid medium at A and heated to and stretched at a temperature below its melting range in a heating channel 10. Variations in the width of the lay-flat film wound up on roller 13 are monitored by a mechanical or optical sensing device (not shown) which is operatively connected to motor 14 and spindle 15 which move the second stretching stand 12 from C to B or from C to D to accommodate any variations in the pressure of the inflating medium and thus maintain the internal diameter of the tubular film constant in the stretching zone. The thermoplastic material may be a polyolefin, a polyester or a polyamide which may be stretched at a ratio of from 1À1 to 6. Examples relate to the preparation of heat shrinkable films of polylauryl lactam and polyethylene which are heated in the heating channel 10 to between 80 C. and 100 C. and 115 C. to 120 C. respectively. The film inflating medium may be replaced in the stretching zone by a mandrel.
Patent GB-1245145-A (GB)
Title: Improvements in or relating to governors
IPC: G05D13/10
Filed: 1968-11-13
Abstract: 1,245,145. Speed governors. ROBERT BOSCH G.m.b.H. Nov.13, 1968 [Nov.14, 1967], No. 53822/68. Heading G3B. A centrifugal governor for regulating the speed of a diesel engine has a linkage 19, 20, 21, 29, acted upon at one end by an adjusting member 8 moved by weights 3 in dependence upon the speed of a shaft, and whose other end is coupled to a delivery quantity adjusting shaft 18 of an injection pump, the travel of the shaft 18 in the direction of increased delivery being defined by an adjustable stop 34 contacted by a finger 29a on the lever 29, a power storing spring 31 which is tensioned as soon as, and as long as, the linkage is biased to move the shaft 18 beyond the stop, the weights 3 acting upon a transmission member 6, disposed between the weights and the adjusting member 8, the member 6 being coupled to the stop 34, and transmitting the forces of the weights to the member 8 by way of a spring 7. The member 8 has a pin 9 rigidly secured thereto which is slidably received in the shaft 1. The member 6 is coupled to an adjustable pivot 42 on the stop 34 by two levers 38 and 39 mounted on a fixed pivot 40 and transmitting their movement through a drag spring 41. The stop 34 is formed by a cam plate 34<SP>1</SP> mounted upon a block 37 which can be rotated manually or by devices responsive to altitude and temperature. In operation, a lever 28 is set manually so that finger 29a abuts cam plate 34 defining starting delivery. When the engine has started, members 6 and 8 are displaced without spring 7 being compressed. Idling spring 17 is compressed until sleeve 8 abuts member 11. At the same time cam plate 34 is drawn downwardly by levers 38, 39 to cut out the starting quantity. As the speed increases, spring 7 is compressed until the members 6 and 8 abut, the cam plate 34 is drawn further downwardly until it abuts slide block 37 and finger 29a abuts the fullload quantity position of the cam 34. When the engine speed increases further, member 11 is displaced by sleeves 6, 8 and an adjustable regulating spring 14 is compressed. During this movement the block 37 prevents further displacement of the stop 34, so that the drag spring 41 is compressed.
Patent GB-1440481-A (GB)
Title: Washer pump assemblies
IPC: B60S1/48
Filed: 1973-11-22
Abstract: 1440481 Windscreen cleaning systems GENERAL MOTORS CORP 22 Nov 1973 [24 Nov 1972] 54137/73 Heading A4F [Also in Division F1] A windscreen washer pump comprises a piston 45 moved on its discharge stroke by a spring 72, and on its suction stroke by a cam 76 driven by the windscreen wiper electric motor, the linkage between the cam and the piston being engaged under the control of a momentarily energized solenoid and held in engagement for a predetermined number of strokes by a ratchet wheel timer mechanism 44. A pawl 86 has a follower 79 engaging the cam 76 and has an arm 105 engageable with a projection 106 on the piston rod 47 when the solenoid is energized to pivot pawl 86 against spring 110, the pawl being held in its engaged position, in the embodiment shown, by a retainer 126 which is spring biased to overlie pawl arm 90. Reciprocation of pawl 86 in its engaged position indexes ratchet wheel 124 until a large ratchet tooth moves retainer 126 to release pawl 86, the following reciprocation of the pawl resetting the ratchet and retainer mechanism, Figs. 3 to 7 (not shown). In Figs. 8 to 11 (not shown), a hollow cylindrical ratchet device has a biased retainer finger for initially retaining pawl 86, and fixed retainer projections for retaining pawl 86 during each indexing movement, the ratchet teeth being formed on resilient fingers of the device. The pump has a single inlet 52 and two outlets 56 connected to respective discharge nozzles (66), Fig. 1 (not shown).
Patent GB-1443347-A (GB)
Title: Distrillation process for removal of low dew point substance from high dew point materials
IPC: B01D3/14
Filed: 1973-11-29
Abstract: 1443347 Distillation process for drying hydrocarbons UOP Inc 29 Nov 1973 [30 Nov 1972] 55312/73 Heading C5E Low dew point substance (e.g. water) is removed from a feed stream 1 comprising high dew point material (e.g. cumene) by (i) fractionation to produce a liquid fraction 5 of high dew point material and a first vapour phase 8 comprising the low dew point substance and the lightest of the high dew point materials, (ii) cooling the vapour 8 at 9 to produce a second vapour phase rich in the low dew point substance and high dew point liquid phase which is essentially free from a liquid phase of the low dew point substance, (iii) separating the high dew point liquid phase from the second vapour phase at 10 and returning it to the fractionation as reflux stream 12, (iv) cooling the second vapour phase 14 and 15 and collecting the condensate at 19 as a liquid phase of the low dew point substance 18 and a separate liquid phase 19 of the high dew point material. The liquid phase 19 can be recycled to the fractionator. If the feed 1 comprises a wet cumene-xylene mixture a side stream 7 of xylene can be recovered from the fractionator 2. The process is stated to be applicable to the drying and separation of para- and meta-xylenes or of n-octane and nnonane and to the removal of alcohol or ether from normal paraffins.