baber/WOPTO huggingface dataset:
Patent GB-1199421-A (GB)
Title: Method of Producing Thin Ferromagnetic Layers.
IPC: C25D3/56
Filed: 1967-11-24
Abstract: 1,199,421. Electrolytic deposition of ferromagnetic layers. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. Nov. 24, 1967 [Nov. 26, 1966], No.53596/67. Heading C7B. Thin ferromagnetic layers of ferro nickel alloy are electrolytically deposited from a bath containing a selenuim compound in addition to iron and nickel salts, the pH of the bath being maintained below 3. The selenium is preferably present in quadrivalent form, e.g. as selenium dioxide, selenous acid or sodium selenite. During deposition the surface upon which the layer is to be deposited may be exposed to a powerful homogeneous magnetic field, the lines of force extending parallel to said surface. Either the workpiece potential or the current density at the workpiece is preferably held constant, at least in stages. In the example given the bath contained nickel sulphate, ammonium ferrous sulphate, boric acid, sodium chloride, saccharine, sodium lauryl sulphate and sodium selenate, the anode was formed of platinum, nickel or nickel and iron, and the cathode upon which the film was deposited was formed by a glass wafer upon which first chromium and then gold had been vapour deposited. Alternatively the substrate may be produced by sensitizing a glass plate in a solution of tin chloride, followed by activation in a solution of palladium chloride, electroless deposition of copper, electrolytic deposition of copper and coating with a glass fibre laminated epoxy resin foil. The resulting foil was removed from the glass and the surface which had faced the glass was coated with gold, electrolytically or electrolessly, which surface then formed the deposition surface for the ferromagnetic alloy film. Polished metals or chemically or electrolytically coated plastics or glasses may be used as the substrate.
Patent GB-1429966-A (GB)
Title: Mortar composition
IPC: C04B28/00
Filed: 1973-11-22
Abstract: 1429966 Mortar composition FELIX PREIL KG 22 Nov 1973 [25 Nov 1972] 54225/73 Heading C1H A mortar composition comprises in parts by weight: 1 of hydraulic binding agent, e.g. cement, 7-12 of aggregate, 0-2 of fines, 0À005 to 0À25 of a mixture of equal weight proportions of a setting retarder and an aerating agent and 0À2 to 0À7 of water. The fines comprise rock flour or quartz powder. 0À5 to 1À5 parts by weight of flue dust and/or trass may also be included. The setting retarder is preferably molasses or saturated hydrocarbon. The aggregate is sand.
Patent GB-1463665-A (GB)
Title: Preparation of fused ring pyridine derivatives and intermediates therefor
IPC: C07D221/04
Filed: 1973-11-26
Abstract: 1463665 Magnesium halide derivatives of fused-ring pyridines JOHN WYETH & BRO Ltd 20 Nov 1974 [26 Nov 1973 27 March 1974] 54728/73 and 13516/74 Headings C2C and C2J The invention comprises compounds of formula wherein R<SP>1</SP>, R<SP>2</SP> and R<SP>6</SP> are the same or different and are H, CF 3 , alkyl (optionally substituted by alkoxy, halogen, NO 2  or CF 3 ), or an aralkyl or aryl radical, either of which may be substituted by alkyl, alkoxy, halogen, NO 2  or CF 3  or R<SP>1</SP> and R<SP>2</SP> taken together represent an alkylene chain -CH 2 (CH 2 ) n CH 2 - wherein n is 1, 2 or 3, R<SP>7</SP> is H or represents single or multiple substitution by alkyl (optionally substituted by alkoxy, halogen, NO 2  or CF 3 ), or an aralkyl or aryl radicals either of which may be substituted by alkyl, alkoxy, halogen, NO 2  or CF 3  and when R<SP>1</SP> and R<SP>2</SP> taken together form an alkylene chain the resulting ring may be substituted by one or more R<SP>7</SP> radicals as defined above, Z is MgHal or CO 2 MgHal wherein Hal represents chlorine, bromine or iodine, and m is 1, 2 or 3. The compounds in which Z is MgHal are prepared by reacting analogues where Z =H with alkyl-MgHal; they may be reacted with CO 2  to give the above compounds in which Z is CO 2 MgHal (IIa). IIa may be reacted with (e.g. MeOH/HCl to give the corresponding methyl esters (Z = CO 2 Me), which in turn react with NH 3  giving the amides (Z = CONH 2 ). Starting materials for which preparative details are given are hexahydrodicyclopenta- and octahydrodicyclohepta-[b,e]pyridine.
Patent GB-1412954-A (GB)
Title: Catoptric lens arrangement
IPC: G02B17/06
Filed: 1972-11-28
Abstract: 1412954 Catoptric lenses RAYTHEON CO 28 Nov 1972 [1 Dec 1971 17 April 1972] 54981/72 Heading G2J [Also in Division H4] The lens arrangement consists of a first, convex reflective surface 10 generated by an arc of quadratic conic section (including higher order terms if desired) rotated about the lens axis so that every point on the arc describes a circle concentric with the lens axis and with a focus of the arc off the lens axis and describing a first focal circle concentric with the lens axis and a second concave reflective surface 17 generated by an arc of an ellipse rotated about the lens axis with both foci off the lens axis so that one focus of the arc describes the first focal circle and the other focus of the arc describes a second focal circle concentric with the lens axis, the disposition of the reflective surfaces relative to one another being such that a ray in a plane through the lens axis and on a line extending through the second focal circle and directed to the second reflective surface is reflected therefrom into the first reflective circle on a line extending through the second focal circle and is then reflected by the first reflective surface in a direction determined by the form of the quadratic conic section generating the first relfective surface.  The above may be part of a three lens arrangement, the third lens being a convex reflective surface generated by an arc of a quadratic conic section and collated with the optical arrangement.
Patent GB-1373774-A (GB)
Title: Polymeric compositions containing antimony oxide
IPC: D01F1/07
Filed: 1971-11-29
Abstract: 1373774 Sb/Ti oxide sols. E I DU PONT DE NEMOURS & CO 29 Nov 1971 [30 Nov 1970] 55219/71 Heading C1A [Also in Division C3] Antimony trioxide sols. are prepared by reacting antimony trichloride with water and ammonia in a solution of a polar organic liquid, preferably dimethylformamide, and filtering off the ammonium chloride precipitated. Some residual chloride anion is left in the sol. to stabilize the latter; or it can be replaced by a different stabilizing anion such as formate, acetate, hydroxyacetate, salicylate or phthalate. A content of titanium dioxide (derived from reaction of titanium tetrachloride) may also be included in the sols. Sols. of antimony trioxide or antimony pentoxide can also be stabilized with alpha-hydroxy carboxylic acids having 2 to 6 carbon atoms. The sols. are used for rendering polymeric materials flame-retardant (see Division C3).
Patent GB-1412979-A (GB)
Title: Cots for babies or dolls
IPC: A47D9/00
Filed: 1972-12-01
Abstract: 1412979 Toy cots D DEKKER Ltd 19 Feb 1974 [1 Dec 1972] 55611/72 Heading A6S [Also in Division A4] A cot for a doll or a baby comprises a framework and at least one base member attachable to the framework in either of two alternative positions, and movable from one position to the other, such that the base member presents either a curved surface for rocking or spaced feet to allow the cot to stand without rocking. The framework may comprise a hoop element 1 to support the bed, and end elements 2 releasably secured to hoop 1 by bolts and nuts. Each element 2 has legs which are releasably connected to a curved base member 3 by bolts and nuts. The base members 3 are formed with sockets to receive the ends of rods 4. The attachment of base members 3 in either of the two alternative positions is illustrated in Figs. 1 and 2 respectively. In Fig. 1, the base members provide spaced feet 3a whereas in Fig. 2 they present curved surfaces 3b. Hoop 1 may carry a detachable upstanding support for a cot canopy. Components 1-4 are made of plastics material.
Patent GB-1135678-A (GB)
Title: Banding and balancing of dynamoelectric machines
Inventor: WACLAW HENRI
IPC: H02K7/04
Filed: 1966-12-12
Abstract: 1,135,678. Insulation; securing coils; balancing rotors of dynamo-electric machines. OTIS ELEVATOR CO. 12 Dec., 1966, No. 55630/66. Heading H2A. In a rotor for a dynamo-electric machine, the end turns are banded by a first layer of insulating material tightly encircling them, a cylindrical metallic band, not wider than the first layer, tightly encircles the first layer, and second and third additional layers of insulating material, each substantially narrower than the metal band, tightly encircle the band adjacent its opposite edges, leaving an exposed portion of band between them, the layers of insulating material being in the form of hard, solid masses. As shown, a tape of fibre glass combined with a semi-cured resin is wound around all the end turns 16 of a rotor, each turn of the tape preferably overlapping half of an adjacent turn so that the finished layer 26 comprises a double thickness of tape. Over the layer 26 is positioned a cylindrical metal band 27 preferably formed with a row of apertures 28 along each edge. Preferably, the metal band is flexible and formed of material to which solder readily adheres, e.g. phosphor bronze or tinned brass. It may be pre-cut to the correct length or severed after one turn is completed. (Alternatively, the metal band may be a pre-formed cylinder which is slipped over the layer 26 end-wise). After the metal band is in place, the fibre glass tape is wound to the extent of three or four turns around the apertured portions of the metal band at 31 and 32. The tape is then cured, e.g. by baking the armature in an oven at about 150‹ C. for several hours. The layers 26, 31 and 32 are thus converted into hard insulating layers, while binder flows through apertures 28 to join layers 31 and 32 to layer 26. The end turns at the other end of the rotor are similarly secured. Balancing weights (e.g. pieces of solder, or weights soldered on) are then applied to the metal bands. If the end turns have a generally conical or irregular (rather than cylindrical) surface, the metal band has transverse slots in one or both edges. In a modification (Fig. 8, not shown), each layer 31 and 32 is accommodated between two radially-extending circumferential ridges integral with the metal band 27.
Patent GB-1493600-A (GB)
Title: Cooling fans for internal combustion engines
IPC: F01P7/08
Filed: 1974-12-23
Abstract: 1493600 Friction clutches CHRYSLER UNITED KINGDOM Ltd 17 Dec 1975 [23 Dec 1974] 55642/74 Heading F2C [Also in Division F1] In a temperature controlled friction clutch for connecting an engine cooling fan 21 to a driving pulley 17 wherein a temperature sensitive element 33 acts through a rod 29 and a diaphragm spring 28 to move an axially movable clutch element 24 into engagement with the fan hub 20, the internal and external peripheries of the diaphragm spring are respectively connected to the rod 29 and clutch element 24 and the diaphragm spring is fulcrumed at 37, 38 intermediate its peripheries. The pulley 17 additionally drives an engine coolant impeller 11 and the temperature sensitive element 33 is responsive to engine coolant temperature. A helical spring 40 assists clutch disengagement. In Fig. 3 the diaphragm spring 28 moves the clutch element 24 into light initial engagement with the fan hub 20 and thereafter full engagement is effected by interengagement between a cam surface 41 on the clutch element 24 and a pin 42 carried by the driving pulley 17. The clutch engaging movement of the rod 29 acts through a cam 45 to move the pin 42 radial outwardly into the path of the cam 41. Rubber tongues 47 permit limited rotary movement between the clutch element 24 and the driving pulley 17.
Patent GB-1236807-A (GB)
Title: Improvements in or relating to an optical aiming apparatus
IPC: G01S3/782
Filed: 1968-11-28
Abstract: 1,236,807. Stabilized optical systems. NORD AVIATION, SOC. NATIONALE DE CONSTRUCTIONS AERONAUTIQUES. Nov.28, 1968 [Dec. 6, 1967], No. 56534/68. Addition to 1,069,266. Heading G2J. An optical sighting apparatus, e.g. an aiming  telescope, comprises a reflecting element 108, e.g. a mirror, mounted in a gimbal system 107 having two orthogonal axes #-#, S-S, the gimbal system including at least one gyroscope 110, a pair of torque motors 104, 115 mounted on said axes #-#, S-S, and manual control means 121 for feeding the torque motors with precession torques, the outer cage 106 of the gimbal system carrying the reflecting element 108, which element is rotatable relative to cage 106 about an axis parallel to axis S-S and is operatively connected to the gyroscope such that the rays incident on said reflecting element 108 are always parallel to the spin axis of the gyroscope 110. The sighting apparatus has a support 101-103, rotatable about an axis G-G, which carries the gimbal system 107 the outer cage 106 axis #-# of which is at 30 degrees to axis G-G. The inner cage gimbal 109 is rotatble about axis S-S and is as supported between longer scales of outer cage 106. The mirror 108 is fixed to one of the shorter sides of cage 106 and is rotatable by a motor 117. Said shorter side has extending therefrom an arm 112 having a forked end 113. The support shaft of the inner cage also carries an extension arm 114 having a rod 114a perpendicular to its free end which rod is located between the forks 113. Both arms 112, 114 are parallel to each other and perpendicular to axis S-S, with arm 112 being twice the length of arm 114. The angle of rotation of the outer cage is detected by device 105, and of inner cage 109 by a pair of differential station detectors 116. The system provides that rotation of mirror 108 through an angle α results, through arms 112, 114, in a rotation of gryoscope carrying cage 109 through angle α/2. An incident beam Fl is reflected from mirror 108 into a prism system 125 from which it is reflected to a further mirror 126 located on axis G-G whereby the reflected beam to the telescope is always parallel to said axis G-G. A reticle may be projected on to mirror 108 by a collimator 127. If the incident beam is an infrared beam F1R this is reflected from mirror 108 to a goniometer 128 the optical axis of which is parallel to the optical axis of prisms 125.
Patent GB-1393917-A (GB)
Title: Charge transfer devices
IPC: G11C27/04
Filed: 1972-12-07
Abstract: 1393917 Bucket bridge devices SONY CORP 7 Dec 1972 [11 Dec 1971] 56576/72 Heading H1K A bucket bridge device of the MOSFET type is formed in a semi-conductor wafer having depressions in one face. The channels of the MOSFETs lie beneath the depressions with the source and drain regions located above them in the material between the depressions. This arrangement is said to give improved transfer efficiency without reducing the transport velocity. In the typical device shown in Fig. 6, one plate of each of the storage capacitors connected between the gates and drains is formed by extending the gate 30 of the associated MOSFET over the drain region 33a which also consti utes the source of the next MOSFET. Three methods of making such a device are described. In the first a P type layer is formed by diffusion on one face of an N type wafer and depressions extending through it into the wafer formed by standard oxide-masked etching. The exposed surface is then reoxidized and aluminium deposited overall and pattern-etched to form the electrodes. In the second a silicon nitride mask is formed on the N type wafer with apertures at the depression sites. After oxidation of the exposed silicon the mask is removed and a P type layer formed by diffusion around the oxide patches. The oxide is then removed, a new oxide layer formed overall and electrodes provided as before. In the third method the N type surface is oxidized and the oxide removed except at the depression sites. Then the unmasked area is built up by epitaxially depositing an N and then a P type layer, the new surfaces oxidized and electrodes provided.
Patent GB-1161004-A (GB)
Title: Improvements relating to Monitoring Circuits
Inventor: HUMPHREY ROBERT
IPC: G08B29/04
Filed: 1966-12-22
Abstract: 1,161,004. Lamp failure alarms. PYRENE CO. Ltd. 20 Dec., 1967 [22 Dec., 1966], No. 57493/66. Heading G4N. In a circuit for monitoring circuit components, e.g. lamps 10 connected in parallel, the abrupt change in current due to failure of a lamp triggers thyristor 19 to light indicator lamp 20, but gradual changes in current are ineffective. Once energized, indicator 20 remains lit.
Patent GB-1408319-A (GB)
Title: Bubble trap
IPC: A61M5/36
Filed: 1972-12-13
Abstract: 1408319 Gas bubble trap BAXTER LABORATORIES INC 13 Dec 1972 [23 Dec 1971] 57558/72 Heading B1M The invention relates to a sterile gas bubble trap e.g. for blood infusion, in which the blood enters from tube 14 and flows via conduit 22 to chamber 10, from which it leaves via tube 16, gas bubbles collecting in gas pocket 31. The gas is withdrawn from gas pocket 31 by a syringe inserted through resealable diaphragm 32. The trap may be blow moulded in plastics material.
Patent GB-1220399-A (GB)
Title: Apparatus for mixing and extruding plastic strands and cutting them into pellets
IPC: B29C48/395
Filed: 1968-12-06
Abstract: 1,220,399. Extrusion pelletizers. BAKER PERKINS Inc. 6 Dec., 1968 [6 Dec., 1967], No. 58063/68. Heading B5A. An extrusion pelletizer comprises a barrel B, a shaft S carrying interrupted flight 13, a screw impeller 24 and sleeves 27, 30 which support multi-orificed die head 26, the shaft S rotating and reciprocating during operation together with the impeller, the sleeves and the die head which are attached thereto and a knife assembly 43 mounted for axial movement on shaft 42 and which moves axially with die head 26 against which it is held by spring 48. Assembly 43 is mounted via a resilient sleeve 44, e.g. of hard rubber, on a hollow shaft 42 and is rotated thereby in a direction opposite to that of shaft S. Material to be extruded is kneaded in chamber 11 by the action of flight 13 and teeth 12, the barrel B being appropriately heated or cooled by fluid flow in chambers 11a, 11b, and the material in a plastic or plasticized condition is forwarded by screw 24 to annular channel 31 and thence to orifices 29a, 28a. The issuing strands are cut into pellets by knife assembly 43 and are cooled by water which enters a sleeve 50 via pipes 52, passes through peripheral slots 55 in a disc 49 rotated by shaft 42 and then issues radially as at c due to the action of a fan 56, see also Fig. 5 (not reproduced), mounted on sleeve 44. In this manner the coolant does not contact the die head, but sweeps the pellets around housing 34 towards delivery duct 38. Shaft 42 houses a pilot shaft 62 whose end 68 is maintained in engagement with an orifice 67 in die head 26, for rotation and reciprocation therewith, by means of a spring 69. Shafts 42 and 62 are independently axially adjustable, see Fig. 2 (not reproduced). Knife assembly 43 is described in detail, Figs. 6-8 (not shown), and comprises essentially three blades (77) mounted on a hub (75). Reciprocation of shaft S is by means of a cam mechanism, Fig. 3 (not shown), identical to that described in Specification 1,153,678. Specific materials mentioned are polyethylene, P.V.C., polystyrene and polyurethane.
Patent GB-1364636-A (GB)
Title: Method for monitoring gas-filled cables
IPC: H01B11/00
Filed: 1971-12-14
Abstract: 1364636 Monitoring gas filled cables LICENTIA PATENT-VERWALTUNGS-GmbH 14 Dec 1971 [15 Dec 1970] 58126/71 Heading G1S A gas filled cable, Fig. 1, has gas passed through one of its cores from its end Z where there is a monitoring station and through another core from the terminal end E. At both of these ends and at intermediate stations, differential pressure measuring instruments Dz, D1, Dn, De are provided, as are plugs S1, Sn and normally closed cable filling valves Vz1, Vz2, Ve1, V1, Vn. The plugs and valves force the gas to flow through plug bridging orifices Bz, B1, Bn, Be, which limit the flow to say 10 litres/hour at a differential orifice pressure of 1 kg/cm<SP>2</SP>. If a leak occurs in the cable then the gas pressure drops and the instruments D adjacent the leak register the pressure and make one of the pair of contacts K according to which gas core is leaking. The contacts then pass electric signals of one frequency or another to one of several generators, Fig.2, operating at different frequencies in the reporting station M1 and other repeater stations M. The reports will immediately indicate the faulty section.
Patent GB-1365989-A (GB)
Title: Polyolefin film
IPC: C08K3/22
Filed: 1972-12-19
Abstract: 1365989 Degradable polyolefin films UNION CARBIDE CORP 19 Dec 1972 [20 Dec 1971] 58465/72 Heading C3P Degradable films are made of compositions comprising (1) a polyolefin, (2) sufficient of an oxidizing metal oxide to advance oxidative degradation of the polyolefin and (3) a stabilizing amount of a water-soluble stabilizer capable of being leached from the film when the latter is exposed to moisture. The polyolefin may be a polyethylene, polypropylene or polybutene. The metal oxide may be chromic oxide, manganese dioxide, ferric oxide, cupric oxide or a mixture thereof. The stabilizer may be a C 1-6  alkyl substituted thiourea, e.g. trimethyl thiourea, 1,3-diethyl thiourea, 1,3-dibutyl thiourea or mixed alkyl thioureas, or ethylene thiourea. The compositions may also contain lubricants, anti-blocking agents and pigments, and may be extruded into films which may be formed into bags by heat-sealing. Examples describe films made from compositions comprising polyethylene, hydrated chromic oxide, erucamide, stearamide, diatomaceous earth and a color masterbatch containing polyethylene, titanium dioxide, chrome green, chrome yellow and carbon black, together with (2) trimethyl thiourea, (3) trimethyl thiourea and a mixture of chromic, manganese, cupric and ferric oxides, (4 and 6) ethylene thiourea and (5) ethylene thiourea and the above oxide mixture.
Patent GB-1248735-A (GB)
Title: Improvements in or relating to straight bar knitting machines
Inventor: BLOOD RAYMOND
IPC: D04B11/00
Filed: 1967-12-23
Abstract: 1,248,735. Knitting-machines. WILLIAM COTTON Ltd. 6 Dec., 1968 [23 Dec., 1967], No. 58558/67. Heading D1C. A straight bar machine has a narrowing head for effecting loop doubling on a change from rib to non-rib fabric comprising transfer point selectors corresponding to the needles and rendered operative in groups. The first group may be of any predetermined size; groups becoming operative at each operation are also of this size. The ends of transfer points 17 are rendered operative by control elements 22 slidable in the narrowing head. Pivoted selectors 26 similar to, and operated in a similar manner to the arrangement described in Specification 1,185,649 are mounted above each element. They can be swung clear of rods 40, 41 shiftable across each half of the machine division, by a swinging bar. When doubling is required the control rods 40, 41 are displaced inwardly according to the required doubling frequency. The selectors 26 whose arms 261 overlie the rods so that projection 26c strikes the head of element 22 deflect points 17 into operative positions when bar 31 is raised. On a single needle inwards transfer, doubling-occurs. The operation is repeated with racking of the rods in uniform steps, manually preset on a counter, by screws 50, 51 between each transfer so that successively larger groups of points are operative. Doublings may be similarly effected by displacing the rods from a central position outwards. When doublings are indicated on a pattern the screw motor is started and the counter energised. Each time the head is lowered the motor clutch engages, the screws are rotated and their revolutions recorded by the counter. When the counter reaches its preset limit the clutch disengages and transfer takes place. The rods are moved a uniform distance between each transfer until a limit switch is tripped. The screws are thereafter returned to their initial position.