baber/WOPTO huggingface dataset:
Patent GB-1485275-A (GB)
Title: Catalytic cracking hydrogen generator
IPC: H01M8/06
Filed: 1974-10-22
Abstract: 1485275 Catalytic cracking UNITED AIRCRAFT CORP 22 Oct 1974 [13 Dec 1973] 45664/74 Headings B1E and B1F [Also in Division C1] A catalyst bed for use in cracking of gaseous or distillate hydrocarbon fuels to produce hydrogen comprises a bed of pellets comprising spherical substrates of alumina and/ or zirconia of diameters between 6.35 mm and 15.85 mm with nickel deposited to a depth of between 25.4 and 2540 microns from the surface of the substrates, the catalyst bed having pellets of nickel content of ¢-5% wt. at its inlet end and of between 15 and 50% wt. at its outlet end. The figure shows an, apparatus for carrying out the cracking. The fuel is led by line 34 into reactor 3 wherein it flows downwardly through an initial vapourizer chamber 12 containing a bed 16 of uncatalysed pellets, e.g. ceramic saddles, constrained by a grid or screen 17 and then flows upwardly through the annular catalyst bed 10. A pair of reactors 3, 4 are connected in parallel to enable regeneration of catalyst in one whilst the other is performing a cracking function. The regeneration to effect removal of carbon deposits is carried out by the introduction of an oxygen-containing gas by line 30.  The nickel may be applied to the substrates by (i) impregnation with nickel nitrate followed by decomposition to the oxide and reduction with hydrogen; (ii) mulling nickel powder and the substrates together followed by sintering or heat cycling in the cracking- regeneration process; or (iii) flame-spraying. 1485308 Nozzles GRINNELL FIRE PROTECTION SYSTEMS CO INC 11 Oct 1974 [11 Oct 1973] 44074/74 Heading B2F A fire extinguishing apparatus comprises a nozzle 10 for fluid, mounted horizontally in the side wall of an enclosure and having a discharge orifice 19, and at least one wedge shaped deflecting member 13 disposed in the path of the fluid by an operably associated yoke 12. Preferably the angle α between one face of each member and the fluid discharge path is less than 20, and the included angle # of each member is 10-60. The nozzle may comprise a frusto-conical inlet portion 19a, threaded at 18 for connection to a thermally activated fluid source, leading smoothly to a cylindrical portion. Protuberances 16 may extend above the surface of the deflecting members to alter the fluid distribution pattern. The nozzle may be of small transverse dimensions, and be substantially hidden from view. The yokes 12, 14 may be rotatable such that action of the discharging fluid causes placement of the members 13, 15 into the path of the fluid.
Patent GB-1478068-A (GB)
Title: Piezoelectric transducer assemblies and methods of generating acoustical radiation patterns
IPC: H04R17/00
Filed: 1974-10-15
Abstract: 1478068 Reflectors SONTRIX Inc 15 Oct 1974 [5 Nov 1973] 45871/76 Divided out of 1478067 Heading H4X The description is identical to that of Specification 1,478,067 but the claims relate in general terms to apparatus and a method for producing umbrella-shaped radiation patterns.
Patent GB-1450423-A (GB)
Title: Liquid crystal display screens
IPC: G02F1/1335
Filed: 1973-10-02
Abstract: 1450423 Controlling light SIEMENS AG 2 Oct 1973 [24 Oct 1972] 45874/73 Heading G2F [Also in Division G5] A dynamic scattering electro-optic liquid crystal display cell 1, 2, 3 is provided with a retroreflective foil 5 whereby light 6, 7 from ambient sources is not reflected to an observer 8 except in regions where dynamic scattering occurs, thereby increasing the contrast of the display. As described and shown, the foil 5 is on the outer surface of a substrate 2, and electrodes are provided on the internal surfaces of the substrates 1, 2.
Patent GB-1057607-A (GB)
Title: Process for treatment of the escapement mechanisms of watches in order to reduce the loss of oil, and watch escapement obtained by this process
Inventor: FAWER SAMUEL
IPC: G04B15/14
Filed: 1965-11-01
Abstract: 1,057,607. Watch excapements. ENICAR S.A. Nov. 1, 1965, No.46159/65. Heading G3T. Parts of a watch excapement are coated with "epilame" in the immediate vicinity of the surfaces which engage one another during operation of the excapement, but the said surfaces are not so coated, thereby avoiding undesirable spreading of lubricating oil from said surfaces without preventing satisfactory lubrication.
Patent GB-1158066-A (GB)
Title: Method for the Preparation of Linear Polyesters and Linear Polyester Obtained Thereby
Inventor: CERUTTI GIACOMO
IPC: C08G63/82
Filed: 1967-10-10
Abstract: 1,158,066. Poly(glycol terephthalates). BEMBERG S.p.A. 10 Oct., 1967 [12 Oct., 1966], No. 46270/67. Heading C3R. In the manufacture of poly-(glycol terephthalates) by the polycondensation of a bis-(hydroxyalkyl)-terephthalate, there is used as a polycondensation catalyst a compound obtained by reacting a substance of formula (where R 1  and R 2  are C 1-10  alkyl and X is an alkali metal) with a salt of antimony, lead, tin, cobalt, nickel or manganese (e.g. antimony pentachloride, lead acetate or nickel sulphate). The polycondensation catalyst may be added to the reactants used to make the bis-(hydroxyalkyl)-terephthalate (e.g. ethylene glycol plus terephthalic acid or dimethyl terephthalate) together with a conventional esterification or ester-interchange catalyst (e.g. calcium acetate or zinc acetate).
Patent GB-1166815-A (GB)
Title: Improvements in or relating to Coating Compositions
Inventor: MACKEY E SCUDDER
IPC: G03C1/38
Filed: 1966-10-17
Abstract: 1,166,815. Gelatine composition. GAF CORP. 17 Oct., 1966 [28 Oct., 1965], No. 46328/66. Heading C3H. [Also in Division G2] A gelatino coating composition comprises a compound of formula: wherein R is an alkyl (1-4 C), aryl or cycloalkyl group and X is a cation rendering the compound water-soluble, e.g. H, an alkali metal, ammonium, hydroxalkyl or alkyl ammonium or pyridinium ion in an amount of from 0.01 to 1% by weight. The coating aids may be employed together with other surfactants, e.g. sodium N- methyl-N-oleoyl, N-lauroyl, N-caprylyl or N- palmitoyl laurate, imidazolinium salts, cetyl betaine, saponin, poloxyethylene derivatives of fatty acids, alcohols and phenols, sulphated oleic acid, dihexyl ester of sodium sulphosuccinate, sodium salts of naphthalene sulphonic acids, calcium glycerine phosphate, oleic acid ester of hydroxyethane sulphonic acid and sulphonates of carboxylic acids.
Patent GB-1138129-A (GB)
Title: Transistors
IPC: H01L23/485
Filed: 1967-10-12
Abstract: 1,138,129. Semi-conductor device. INTERNATIONAL STANDARD ELECTRIC CORP. 12 Oct., 1967 [18 Oct., 1966], No. 46535/67. Addition to 1,007,936. Heading H1K. In the planar transistor of the parent Specification 1,007,936, the parasitic capacity of metallic leads on the insulating surface layer is further minimized by forming the regions of opposite conductivity type to that of the surrounding body in the body adjacent to the leads with two zones 6, 7. The lower zone 6 is formed as in the Parent Specification, but the upper zone 7 is of substantially increased conductivity and may consist of a metal layer such as an aluminium or nickel layer, either inserted in the body 1 or deposited by evaporation. The zone 7 is provided with a lead-in conductor 8 which is connected electrically to the emitter zone 3.
Patent GB-925668-A (GB)
Title: Improvements in internal-shoe drum brakes for cycles and the like
IPC: F16D65/22
Filed: 1960-03-30
Abstract: 925,668. Internal shoe-drum brakes. P. LELEU. March 30, 1960 [Sept. 3, 1959; Sept. 23, 1959], No. 46571/61. Divided out of 897,070. Class 103 (1). In an internal shoe-drum brake for cycles, motor-cycles and the like, two arcuate brake shoes (not shown) are pivoted on a supporting back plate 3 carried by the wheel hub axle 2 and are adapted to act on the inner surface of a brake drum 13 rigid with the wheel hub under the action of a cam 11 which is rotatably carried by a shaft 14 passing through an elongated opening 3b provided in the back plate 3 and is adjustable with respect to the back plate by rotatably supporting the cam by the outer end of an arm 115 mounted on the hub axle 2 so that adjustment of the cam between the brake shoes may be effected by angularly adjusting the supporting arm on the hub axle. In the arrangement shown in Fig. 3, the adjustable supporting arm 115 is clamped on the hub axle 2 between the brake back plate 3 and the wheel supporting fork 1b. An actuating lever 7 is attached to the cam-shaft 14 by means of a bolt 16 and the lever is actuated by a flexible cable arrangement 6. Fig. 5 shows an alternative arrangement wherein the camshaft is rotatably carried by an arm 115 loosely mounted on the hub axle 2 and frictionally retained thereon by the force exerted by a resilient spring member 25 acting on arm 115. The cam 11 has a flat, elongated cross-section and it is adapted to rotate about an axis offset a small distance from its geometrical axis such that the cam may act unequally on the brake shoes to take account of the normally unequal braking pressure applied by the leading and trailing shoes of the brake.
Patent GB-1054617-A (GB)
Title: Reacting gases or vapors in a fluidized bed
Inventor: FRIEDRICHSEN, WILHELM
IPC: B01J8/34
Filed: 1965-11-04
Abstract: 1,054,617. Catalysts. BADISCHE ANILIN- & SODA-FABRIK A. G. Nov. 4, 1965 [Nov. 5, 1964], No. 46726/65. Headings B1E and B1F. [Also in Divisions C2 and C5]. In a fluidised bed process for reacting gases or vapours in the presence of a finely divided catalyst, there are used hollow spheres the surface of which is perforated. The spheres may be of metallic or ceramic composition. The perforations are preferably circular and comparative sizes of sphere and perforation are gizen. Examples describe the use of hollow perforated stainless steel spheres in combination with catalysts containing (a) TiO 2  and V 2 O 5 , (b) reduced ZuO (c) 15% Cu on silicic acid (d) Ni Cu and Mu on silicic acid (e) Pt and K 2 CO 3  on carbon and (f) TiO 2 , Fe 2 O 3  and MoO 3 . Particle sizes, surface area and calcination temperatures are given.
Patent GB-1418967-A (GB)
Title: Insulated rail joijnts
IPC: E01B11/54
Filed: 1973-10-08
Abstract: 1418967 Rail joints NATIONAL SPRINGS PTY Ltd 8 Oct 1973 [10 Oct 1972] 46937/73 Heading E1G A fish plate for an insulated rail joint is moulded in thermosetting material (e.g. epoxide or polyester resin) reinforced by randomly spaced longitudinal glass filaments and is shaped as shown to provide upper and lower wedging surfaces 6, 7 engageable with the rail head and flange, the inner face of the fish plate having recesses 10 each side of a central full-thickness area 11, 12 between upper and lower radiussed projections 9. The fish plate shown has two longitudinally-spaced steel plates 13 bonded to its outer surface and has long chamfers 8 towards each end of its lower edge to clear the rail fastenings.
Patent GB-1480940-A (GB)
Title: Memory cell
IPC: G11C17/00
Filed: 1974-11-04
Abstract: 1480940 Integrated memory cells INTERNATIONAL BUSINESS MACHINES CORP 4 Nov 1974 [28 Nov 1973] 47509/74 Heading H1K [Also in Division H3] contact for the sub-collector region 12 of the transistor. The second gated electrode 22 of the FAMOS device, floating gate 26 and erase gate 32 are shown with intervening isolation regions 28, 30. A plurality of such memory cells can be integrated in a single block to form a memory array.
Patent GB-1076328-A (GB)
Title: Rotary parison head blow moulding machine
IPC: B29C48/09
Filed: 1965-11-10
Abstract: 1,076,328. Blow-moulding; rotary extrusion assembly. FRANK W. EGAN & CO. Nov. 10 1965 [May 17, 1965], No. 47761/65. Heading B5A.  In an extrusion-blow moulding machine (Fig. 1), a hollow rotary shaft (36) communicates with a source of plastic material (20) and one or more extrusion heads (60, see Fig. 5, not shown), which are rotatable with the shaft and offset from its axis of rotation. There are a plurality of moulds to which extruded parisons are fed in turn. Plastic material is fed by screw (26, Fig. 4, not shown), through adaptor (29) and into the hollow rotary shaft (36). There may be a manifold unit to feed two extrusion heads, comprising a unit (51) containing tubes in the form of an inverted T, communicating with the shaft (36) and transfer tubes (57) in units (55). These tubes (57) may be coaxial (see Figs. 2, 3, not shown), and may contain valves (67, Fig. 4, not shown) to make flow intermittent. These tubes also communicate with parison extrusion heads (60, see also Fig. 5, not shown) in which the core (82) may be moved vertically by hydraulic mechanism (89) to vary the parison wall thickness (85). Mould halves (101, 102) are closed about the parisons by hydraulic piston (105, Fig. 6, not shown) acting directly on nearer half (101) but through a rack (111) and pinion (112) on half (102). The blowing nozzle (133) enters through the bottom of the mould, and also carries the moulded article downwards after mould opening, and then turns through 90 degrees to place the article in a shoot (146). It is then despatched to a trimmer (151) via shoot (147) or rejected through a gate (152), to shoot (154). After the parison is placed in the mould, it is severed and the extrusion heads, which preferably extrude continuously, may rotate through 45 degrees to the next pair of moulds (Fig. 3, not shown). In another embodiment (Fig. 7, not shown), there may be two sets of moulds (162, 163) which may have cavities of different sizes. In this case, the extrusion heads may not be coaxial, as shown, and may be rotated through 90 degrees at a time to the next similar mould. This enables articles of two different sizes to be produced simultaneously.
Patent GB-1462769-A (GB)
Title: Methods of producing luminescent images
IPC: G21K4/00
Filed: 1973-10-12
Abstract: 1462769 Uses of luminescence KODAK Ltd 20 Dec 1974 [12 Oct 1973] 47807/73 Heading C4S A method of producing a luminescent image in a binder layer incorporating a thermoluminescent material comprises imagewise exposing to radiation while heating to from 80 to 300‹ C, the material being as prepared by the method of U.K. Patent Specification 1347672. The preferred radiation is X-rays and the material is preferably insensitive to radiation >300 nm. From 80 to 150‹ C. the image persistence may be several seconds but is negligible at 200‹C fluoroscopic screens used with a pulse radiolysis unit may have variable afterglow depending on temperature for sequential image displays. Binders may be polymethylmethacrylate, polystyrene or a cold setting acrylic resin. The layer may be self-supporting or coated on a substrate which may be electrically conductive or carry a conductive layer for electrical heating. Alternatively, a self supporting layer may be contacted with an electrically heated layer. A substrate (e.g. Pyrex, R.T.M.) may for example carry vacuum deposited Al producing 10-15 # resistance. The Al layer is overcoated on two opposing edges to produce uniform power distribution. Wire electrodes are connected by Ag paste. Dimensions and concentrations are disclosed. Panel temperature may be determined by a sensor or a previously determined temperature voltage relationship. In the method of Specification 1347672 cadmium sulphate is heated in the presence of an alkali metal fluoride or sulphate, as a flux, with an inorganic compound of Al, Mn, Nd, Pr, Tb, Dy, Ho, or Bi as dopant. A water soluble salt of Pb, Tl or Sm may also be used.
Patent GB-1107480-A (GB)
Title: Elastomeric polyurethanes
IPC: C08G18/16
Filed: 1966-10-26
Abstract: Elastomeric polyurethane sealants are prepared by reacting, in the presence of a catalyst for the polyol-polyisocyanate reaction, a polyol component and an isocyanate which is a mixture of polymethylene polyphenyl isocyanates containing from 65 to 75% by weight of methylene-bis (phenyl isocyanate), the remainder of the mixture being polymethylene polyphenyl isocyanates of a functionality higher than 2, the overall ratio of isocyanate to hydroxyl groups being within the range 1.0:1.0 to 1.5:1.0.  The polyisocyanate mixture may be obtained by phosgenating the corresponding mixture of polyamines derived by condensation of aniline and formaldehyde in the presence of hydrochloric acid. Preferred polyols are polyethers and polyesters especially those prepared by hydroxyalkylation of aniline or aniline-formaldehyde condensation products.  Suitable catalysts are organo tin compounds and metal salts of organic carboxylic acids, particularly lead, bismuth, mercury, antimony and tin salts of fatty acids, if desired in combination with a tertiary amine. Fillers such as carbon black, channel black, furnace black, polystyrene, polyvinyl chloride, gypsum, natural clays, natural silicas and asbestos pigments such as titanium dioxide and antioxidants such as 2,6 - di - tertiary - butyl 4 - methyl-phenol and 4,41 - thiobis(6 - tertiary - butyl - o-cresol) may be added to the reaction mixture. The elastomeric sealants may be cured by heating at 60 DEG  to 100 DEG  C.
Patent GB-1324785-A (GB)
Title: Process for hydrogenating sulpholenes to sulpholanes
IPC: B01J31/22
Filed: 1970-10-12
Abstract: 1324785 Sulpholanes ESSO RESEARCH & ENG CO 12 Oct 1970 [3 Nov 1969] 48315/70 Heading C2C A process for hydrogenating sulpholene and alkyl derivatives thereof comprises: contacting said sulpholene or alkyl derivative, in the liquid phase, under hydrogenation conditions, and in the presence of hydrogen, with a homogeneous catalyst, said catalyst comprising the reaction product of a transition metal salt and an organoaluminium compound selected from compounds having the formula AlR 3  wherein R is independently selected from halogen and C 1  to C 20  hydrocarbyl radicals and at least one R is hydrocarbyl and AlR 2 OR<SP>1</SP> wherein R and R<SP>1</SP> are independently selected from C 1  to C 20  hydrocarbyl radicals and the molar ratio of aluminium to transition metal is at least 1 : 1. A Lewis base and/or a weak organic acid may be present. The catalyst may be rendered insoluble for removal by reaction with oxygen, e.g. by passing a stream of air through the mixture.
Patent GB-1208210-A (GB)
Title: Read head assembly and random access storage system
Inventor: CASTALDI JOHN
IPC: G06K17/00
Filed: 1968-10-11
Abstract: 1,208,210. Selecting records. SUPREME EQUIPMENT & SYSTEMS CORP. 11 Oct., 1968, No. 48425/68. Heading G4M. Records 42, e.g. files have reflective code markings 47, e.g. formed by strips of reflective tape, alone one edge, the coded edges being scanned by an optical read head 68 mounted on a carriage which is pulled by cables 71-74 along guide rails 10<SP>1</SP>, 10<SP>11</SP>. The records 47 are arranged in racks stacked vertically, with a corresponding scanning carriage for each rack all the carriages being driven by a common cable and motor-driven drum, Fig. 5 (not shown). Records 47 may be slotted into channels 44 as shown in Fig. 2 or they may be suspended from rods by a T-shaped member on the upper edge. Each record 47 has a metal piece 46 which is attracted by a magnet 37 to ensure correct alignment once the records have been inserted sufficiently far. The cable 21 from read head 68 is laid in a trough 19 and doubles back on itself as the scanning carriage moves to the left. An ejector mechanism comprising a motor-driven lead screw 66 and lever 65, is actuated when a comparator indicates coincidence between a file code and a requested code. A further scanning head may be associated with the ejection side of each rack to detect a partially ejected record 47 and to position an extractor mechanism which may employ magnetic attraction to remove a selected record from the rack. Records may be replaced on the opposite side from which they were extracted to allow a common extractor mechanism carriage to travel along the aisle between two stacks of racks, Figs. 8, 8A (not shown). The read head, Fig. 4, comprises a block 116 having bores 114, 118 intersecting at rightangles, with a half-silvered mirror 117 arranged at 45 degrees to both bores at their intersection. Individual light sources or commonly illuminated optical fibres 110 are associated with bores 114 and photo-cells 120 are placed at the ends of bores 118. The coded edge of each record 47 has an additional mark 48 sensed by a corresponding photo-cell to control sampling of the outputs of photo-cells 120, another photocell being used to stop the scanning of head 68 if an incorrectly inserted record is detected. Input requests may be made from a keyboard or a card or tape reader, and a magnetic drum memory may be used to record the identity and location of any records which have been removed from the store, whereby a fast indication that the record is not in store may be given if it is subsequently requested.
Patent GB-1022512-A (GB)
Title: Improvements in or relating to such articles as companion set stands, candle sticks and like articles intended to perform a containing or supporting function
Inventor: BRADLEY WILLIAM GEORGE
IPC: F21V21/06
Filed: 1962-12-13
Abstract: 1,022,512. Companion set stands. IAN HEATH Ltd. Dec. 9, 1963 [Dec. 13, 1962], No. 48442/63. Divided out of 1,022,511. Addition to 962,983. Heading A4X. [Also in Division F4] A companion set stand comprises a base 10 and head 11 spaced apart by a tubular shell 12 and tie member 32, the shell 12 being formed from a laminated material comprising sheet metal to which a layer of plastic is secured.
Patent GB-1235004-A (GB)
Title: Microwave heating
Inventor: WHITE JEROME R
IPC: H05B6/78
Filed: 1968-10-11
Abstract: 1,235,004. Microwave heating. VARIAN ASSOCIATES. 11 Oct., 1968 [13 Oct., 1967], No. 48442/68. Heading H5H. In order to ensure coupling to a large number of resonator modes a microwave heater comprises a multimode resonator cavity 12, a coupling hole 51 adjacent a corner 56 of a boundary wall for introducing microwave energy of a selected frequency to the resonator, the proximate edge of the coupling hole 51 being not further than from said corner, where # is the free space wavelength at said selected frequency, a single waveguide 52 so constructed and oriented at the coupling hole relative to the resonator cavity that the energy propagated thereby has an electric field component in a direction which lies parallel to a line intersecting the angle of corner 56; and means e.g. mode stirrers 88, for shifting the frequencies at which the various resonator mode patterns occur about said selected frequency. As shown, the coupling hole 51 is triangular, its apex being formed in the corner of boundary wall 18 and its sides extending a distance #/2 from the corner. This arrangement provides time averaged uniform heating. The coupling hole 51 may be displaced from the adjacent corner providing it does not extend to points further than # along the boundary wall edges. The waveguide 52 used may propagate TE or TM waves. To obtain non-uniform heating additional coupling holes may be provided in other corners, and these additional coupling holes may be arranged in the manner disclosed in copending Specification 1,233,030. The oven shown is a conveyer type oven, the entry and exit tunnels 25, 27 comprising hollow tubular members containing a lossy material e.g. water, ethylene glycol, glycerol, or any low molecular weight monohydric alcohol, to prevent escape of energy. To enable maintainance to be easily carried out two hinged doors 33 are provided which close on to respective triangular-section compressible conductive ribs 37 surrounding the door oyenings. Air is directed through a lower part of the chamber 12 beneath a microwave transparent polypropylene panel 97 from an aluminium air plenum 41 and is exhausted through a plenum 43. The dimensions of tubes 42, 44 joining the plenums to the chamber 12 are chosen to ensure that they do not propagate energy. Three mode stirrers 88 are provided, each being rotated by an external electric motor 93. The microwave source 74 may be mounted directly on the wall of the resonator at the coupling hole.