baber/WOPTO huggingface dataset:
Patent GB-1285807-A (GB)
Title: Process for alkylating aromatic hydrocarbons
Inventor: TORCK BERNARD
IPC: C07C2/68
Filed: 1970-12-09
Abstract: 1285807 Alkylating aromatic hydrocarbons INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS 9 Dec 1970 [11 Dec 1968] 58517/70 Heading C5E Aromatic hydrocarbons are alkylated with an olefin or an alkyl halide in the presence of a Lewis acid RMX n-1  and water in molar ratio 0À01-5 : 1 water : acid wherein R is a C 1 -C 20  alkyl, cycloalkyl, aryl, aralkyl or alkoxy group which may be halogen-substituted, X is a halogen atom or an electronegative group, M is a group IIIB, IVB or VB metal and n is its highest valence. The reaction may be effected at -10‹ to +120‹ C. and 0À1-200 atmos. optionally in the presence of a promoter AH where A is an acid anion or an alkoxy group. The olefin alkylating agent may be a C 2 -C 20  cyclic or acyclic olefin. The aromatic hydrocarbon may be optionally substituted and mono- or poly. cyclic. A preferred catalyst is EtAlCl 2  in hexane solution. Examples describe the alkylation of benzene with propylene; benzene with 1 pentene; and xylene with propylene, to give both mono- and poly-alkylated derivatives.
Patent GB-1387147-A (GB)
Title: Heel and ankle protector
IPC: A61F13/06
Filed: 1972-12-19
Abstract: 1387147 Heel protectors H G NELKIN A R NELKIN C NELKIN E CEASAR H NELKIN N R NELKIN E GOLDSTEIN E GOLDSTEIN and N NELKIN [trading as H G ENTERPRISES] 19 Dec 1972 58579/ 72 Heading A5R A heel protector is made from a blank of generally rectangular shaped cellular plastics sheet material, the blank having a straight bottom edge 6, a top edge having straight top edge portions 7 connected by a central V-shaped notch 11 having convexly curved edges 12, a pair of side edges each side edge comprising a straight side edge portion 8 which merges into a concave portion 9 and a convex portion 10 terminating in a corner at the bottom edge, the concave and convex portions having an ear, the straight top edge portions 7 and the convexly curved edges 12 of the notch 11 being secured together to form a pocket and the ears having adjustable fastening members (20) for securing the pocket on the foot. An opening may be cut in the pocket to expose part of the foot.
Patent GB-1190610-A (GB)
Title: Improvements relating to Cathode-Ray Tubes
IPC: C09K11/02
Filed: 1967-12-28
Abstract: 1,190,610. Luminescent screens. PHILIPS ELECTRIC & ASSOCIATED INDUSTRIES Ltd. 28 Dec., 1967 [31 Dec., 1966], No. 58842/67. Heading C4S. A method of manufacturing a cathode-ray tube (e.g. a colour tube) comprising a ZnCdS phosphor layer includes applying a suspension of coated particles (of 5 micron size, for example) of the phosphor in an organic binder (e.g. polyvinyl alcohol), the particles being completely coated with a layer of inorganic material (e.g. magnesium, calcium or zinc phosphate, magnesium or barium silicate, silicic acid produced by hydrolysis of an organic silicon compound, but preferably calcium silicate), the layer being permeable to electrons and the luminescent light emitted by the phosphor, the inorganic material not being water soluble. The coated particles may be green luminescine ZnCdS: Ag (e.g. 34% by wt. CdS). In a colour C.R.T., green luminescing ZnCdS: Ag, blue and red lumines. cing ZnS: Ag and europium activated yttrium vanadate respectively are instanced.
Patent GB-1372600-A (GB)
Title: Grate for reduction mill
IPC: B02C13/284
Filed: 1972-12-29
Abstract: 1372600 Impact pulverizers AMERICAN PULVERIZER CO 29 Dec 1972 60116/72 Heading B2A A grate 24 for an impact pulverizer, is mounted in the pulverizer housing 4 outwardly of the circle described by the rotor, and comprises elongate part circular grate bar panels 30, Fig. 3. Each panel comprises at least two elongate parallel ribs 32. Transversely extending connectors 34 are provided between the ribs and transverse spacer members 38 project outwardly from the ribs. The spacer members are axially offset from the connectors 34 and the spacer members 38 of adjacent grate bar panels abut each other. Thus axially offset openings are produced which result in wear being minimized. The surfaces facing the rotor are flush and each panel has arcuate mounting portions 42 at the ends. These engage arcuate channels 28 in the sides 6, Fig. 2, of the housing 4. The channels 28 are formed by arcuate lines 26 and arcuate supports 22.
Patent GB-1271909-A (GB)
Title: Improvements in or relating to polymerisation compositions
Inventor: STALLINGS JOHN PAUL
IPC: C08F14/00
Filed: 1970-12-21
Abstract: 1,271,909. Polyvinylidene fluoride. DIAMOND SHAMROCK CORP. 21 Dec., 1970 [23 Dec., 1969], No. 60595/70. Heading C3P. Vinylidene fluoride homopolymer having a minimum heat of fusion of 14 cal./g., at least 60% crystallinity and an NMR spectrum with no observable absorption band at 93À6 p.p.m. is obtained by an aqueous phase polymerization using a monomer soluble initiator at 30-100‹ C. for 0À25-6 hours and continuously supplying water to maintain a hydrostatic pressure of 1000-10,000 p.s.i.g. and to maintain the reactor liquid-full. The initiator may be added in stages together with the water used to maintain the reactor full and a chain transfer agent, e.g. isopropanol, may be present.
Patent GB-1242860-A (GB)
Title: Improvements in electric circuit breakers
Inventor: PUCHER WALTER
IPC: H01H33/75
Filed: 1968-12-24
Abstract: 1,242,860. Liquid-blast switches. ALLMANNA SVENSKA ELEKTRISKA A.B. 24 Dec., 1968 [29 Dec., 1967], No. 61310/68. Heading H1N.   A low-liquid-content circuit interrupter having an extinguishing chamber 1 including a pressure accumulating space 8 partly filled with liquid to form a gas-filled space 9, and with outlet channels 11 crossing the arc channel 5 from space 8, is characterized by the provision of an exhaust channel 12 served by outlet channels 11 and leading to an expansion chamber 6 in the cover 2 of the chamber 1, space 8 and channel 12 being equi-distant from the arc channel 5. Space 8 and channel 12 have arcuate cross-sections and become narrower in the downwards direction, Fig. 3 (not shown). In order to effect the breaking of small currents, two liquid pockets 14 are provided. The openings from channels 11 into channel 12 are displaced relatively around the axis of the chamber 1. Arc channel 5 need not be central to the cylindrical chamber 1. Liquid may be pumped into channel 5 through a tubular movable contact 4, and via holes 15, when the interrupter opens. Alternatively, contact 4 is solid, and co-operates with a stationary tulip contact 3 providing an arcing contact part 13. A liquid separator (not shown) is arranged in opening 7 of cover 2.
Patent GB-615267-A (GB)
Abstract: 615,267. Electric lighting fittings. LOEBL, S., LOEBL, R., and LOBLITE, Ltd. July 4, 1946, No. 19992. [Classes 75 (iii) and 75 (iv)] [Also in Group XXXVI] A weatherproof electric lighting fitting comprises a body 1 preferably of a plastic composition having a domed upper portion 2 and provided with two diametrically opposite spouts or a centrally arranged spout for the electric supply conductors, a ceramic terminal block 16 secured in the domed portion 2, a centrally apertured ceramic lamp holder 13 secured with a rubber gasket 12 by screws to the body 1, and a globe 9 threaded or provided with a notched rim to engage threads or tongues on the body 1. The block 16 is formed with a recess 17 to receive the electric conductors which are attached to terminal strips 23, 24 connected to contact strips 27, 28 engaging the lamp contacts. The holder 13 may be slotted to receive a bayonet-cap lamp bulb or be provided with a screw thread 20 preferably of metal to receive a screw-cap bulb. The inlet spouts are provided with rubber sealing washers to prevent the entrance of water. The body 1 may be formed with flanges 5, 6 to receive securing screws.
Patent GB-2003416-A (GB)
Title: Apparatus for the conical expansion of tubes
IPC: B21D26/02
Filed: 1978-08-29
Abstract: The apparatus comprises a mandrel 31, 36 within an axially movable sleeve 41 which is biased 43 to a starting position projecting from a free end of the mandrel, a tube 13 to be expanded being arranged to be tightly fitted on to the sleeve 41 with its inner end engaging with a conical part 33 of the mandrel. A mould 23, 46 then surrounds the tube 13 to move the latter with the sleeve against the biasing force and correspondingly move the tube over the conical part 33', 33'' of the mandrel for consequent conical expansion of the tube. The mould has an appropriate conical internal surface 47 and compressed air is introduced through the mandrel to the inner side of the tube with a vacuum being applied to the outer side of the tube to facilitate the expansion. Several of the mandrels may be mounted on a turret. <IMAGE>
Patent GB-2005917-A (GB)
Title: Semiconductor optical devices
IPC: H01S3/08
Filed: 1978-10-06
Abstract: In a semiconductor optical device, lead silicate glass coatings 4 are provided on reflective surfaces of the device to protect the device and to adjust the surface reflectivity. The coatings can be deposited by controlled sputtering from a preformed glass body having properties compatible with those of the device. The device may be a LED, a laser or a light detector comprising GaAs, GaAlAs, GaP, GaAsP, GaInAsP, or GaAsSb. The molar ratio between PbO and SiO2 in the lead silicate glass is between 20:80 and 70:30. <IMAGE>
Patent GB-2013656-A (GB)
Title: 3-alkoxycarbonyl- benzodiazepines
IPC: C07D243/24
Filed: 1979-01-03
Abstract: The invention provides 1,4- benzodiazepine derivatives of the formula:   <IMAGE> in which R1 is hydrogen or C1-4 alkyl, R2 is a straight or branched alkyl of 3 to 10 carbon atoms, R3 is hydrogen or halogen, and R4 is hydrogen, halogen, or nitro. These compounds are useful as sedatives, and anxiolytic and hypnotic agents.
Patent GB-2013892-A (GB)
Title: Gas Analysis
IPC: G01N25/30
Filed: 1979-01-22
Abstract: In a gas analysis method and apparatus especially suitable for controlling the inlet air to fuel ratio of a lean-running internal combustion engine, combustion effluent gas is divided into a plurality of streams, there is added at 24 to a first stream a combustible and/or a combustion-supporting constituent it is deficient in, combustion is effected of the first and another stream and the temperature difference between the streams is measured using platinum or the like wires 30A, 30B. Preferably the temperature difference is measured by reference to the magnitude of the electric current required to heat an untreated stream to the temperature of a stream heated by combustion due to the added constituent. A gas equilibration process in a chamber 16 may be effected before the streaming of the gas. The wires 30A, 30B are mounted in different Wheatstone bridges, the outputs thereof being compared to determine the temperature difference (Figure 3, not shown). Gas flow through the apparatus is preferably effected by a constant vacuum engine intake. <IMAGE>
Patent GB-2041992-A (GB)
Title: Spinning chamber for open- end spinning apparatus
IPC: D01H4/08
Filed: 1979-02-20
Abstract: An open-end spinning chamber comprises a housing 1 shaped as a truncated cone with an annular groove 3 on the inside surface of the housing and in which the spinning occurs. The larger end of the cone is open, and suction may be applied to draw out impurities from the yarn. Fibres are fed in to the chamber via stem 4 and may be withdrawn either from the top or the bottom of the chamber. <IMAGE>
Patent GB-2043490-A (GB)
Title: Film processor
IPC: G03D3/10
Filed: 1979-03-14
Abstract: A dip-and-dunk film processor comprises a pair of sprocket wheels (1, 2) located one above the other, an endless chain (3) passing around both wheels, and a single-speed electric motor driving at least one of the wheels. A pair of bars (5) are mounted for reciprocating vertical movement, and a second pair of bars (7) extends parallel to the first pair of bars. A lever (8) is pivotally connected at one of its ends to the bars (5), pivotally connected at a point intermediate its ends to the bars (7) and pivotally connected at its other end to the endless chain (3). A carrier (12) is provided on the bars (7) for carrying a film- receiving hanger (13), whereby movement of the endless chain (3) causes the bars (7) to reciprocate both vertically and horizontally and move the hangars (13) from one bath (14) to the next. <IMAGE>
Patent GB-2017127-A (GB)
Title: Reflector
IPC: F21V7/22
Filed: 1979-03-20
Abstract: A heat-mouldable composition constituted by a mixture of (a) 30 to 60%, based on the total weight of the composition, of thermoplastic polymeric material selected from polybutylene terephthalate and poly(1,4,cyclohexylene dimethylene terephthalate); and (b) a pulverulent filler forming the rest of the composition and containing, based on the total weight of filler, at least 80% of mineral of mean particle size from 0.5 to 15 microns and at least 30% of pulverulent calcium carbonate of mean particle size from 0.5 to 5 microns. The composition can be injection-moulded to form a smooth- surfaced and stable reflector for a lighting projector, e.g. a vehicle headlight, a reflecting layer being depositable directly onto the surface of the wall without the application of an intervening coating of varnish.
Patent GB-2048943-A (GB)
Title: Uranyl Periodate Materials and Method of Ionic Conduction
IPC: G01N27/407
Filed: 1979-05-18
Abstract: The solid or viscous uranyl periodate material H5n-2UO2(IO6)n.yH2O where n is from 0.5 to 2.0 (not 0.9-1.1) and y exceeds 2 (usually y=4) has good proton conductivity, which can be exploited in electrical devices such as fuel or electrolysis cells. The materials whereof n is from 1.1 to 2.0 are preferred, and are new.
Patent GB-2035780-A (GB)
Title: Self contained fluid pressure foot support device
IPC: A43B13/20
Filed: 1978-10-11
Abstract: A device which supports and cushions the human foot by means of fluid pressure is disclosed. The device is non-elastic and self-supporting. Two superimposed plies of a fluid impervious woven fabric material are sealed to each other around the periphery (24) and, according to predetermined design, at selected areas (20) within the periphery. The result is a series of foot supporting pneumatic cushions interspersed and separated with void regions (20a) which do not touch the underside of the foot. The fluid containing chambers (21) which form the pneumatic cushions are in communication with each other through fluid passageways (23) located around the periphery of the device. The device permits fluid to flow from one internal chamber to another when compressed, but with a back pressure build up sufficient to prevent sudden surges of fluid from one chamber to another. This provides additional pressure which resists and cushions the impact of the forces applied to the device.
Patent GB-2050256-A (GB)
Title: Improvements in and relating to the construction of boat hulls
IPC: B63B3/38
Filed: 1979-05-29
Abstract: A boat hull is described which whilst providing full 6 ft. headroom in a forward cabin in front of a driving position located at the forward end of a main cabin, nevertheless does not need to exceed 6ft 7ins. overall headroom to enable the craft to have access on restricted headroom rivers and waterways. The invention provides a hollow keel section at the forward end of the boat the base of which constitutes the floor (34) of the forward cabin and substantially horizontal underside sections of the boat hull between the chine and the hollow keel section constitute bases for berths 32 in the forward cabin. Access to the forward cabin is by way of a companion way closed by doors and at least one step (40) to accommodate the difference in level between the floor (34) of the forward cabin and the floor (38) of the main cabin. The main cabin floor is at or near the level of the horizontal underside sections of the boat hull between the chine and the keel. <IMAGE>
Patent GB-2024534-A (GB)
Title: Electrical Connectors
IPC: H01R11/15
Filed: 1979-05-31
Abstract: An electrical connector for making tap connections to live uninsulated electrical conductors such as over- head power lines has a tap-wire connection arrangement by which an insulated tap wire (16) can be connected to an electrically conductive body (1) of the connector with the end of the tap wire (16) sealed against the ingress of moisture between the core and sheath of the tap wire (16). To connect the tap wire (16) to the body (1), a hollow stud (22) and a radially resilient collar are passed over the wire (16) whereupon the wire (16) is inserted into a blind hole (13) in the body (1)and the stud (22) screwed into the hole (13) to cause the collar to be radially compressed into engagement with an exposed core portion (15) of the wire (16) by means of a tapered portion of the hole (13). <IMAGE>
Patent GB-2027405-A (GB)
Title: Cable winding mechanism
IPC: B66D1/58
Filed: 1979-07-10
Abstract: A cable winding mechanism, for example forming part of a hoisting device travelling along an overhead track 23, comprises an elongate support in the form of a girder 1 and a winding drum 2 parallel to the girder and having two cable-receiving grooves (not shown) of opposite pitch directions. At one end of the girder 1 there is a gearing 7 located transversely of the girder, which gearing transmits driving torque from an electric motor 8 to the winding drum 2. The gearing 7 is rotatably connected to the girder 1 and rotates relative thereto, in opposition to a torque exerted by a spring 17, in the event of an overload and then influences a circuit-breaker (not shown) which interrupts the current supply to the motor 8. The winding drum 2 has a cable 34 secured thereto for raising and lowering a hook 33 via a pulley block 26, the cable falls 3 and 4 being received in the aforementioned grooves of the winding drum. <IMAGE>
Patent GB-2032392-A (GB)
Title: Frame-Construction Module
IPC: B65D88/12
Filed: 1979-07-26
Abstract: A module 10, adapted to accommodate panels (not shown) and be insertable into and removable from a load carrying enclosure of or for a vehicle, such as an I.S.O. container, comprises a base 12 and an open- sided frame construction to facilitate loading from at least two sides. Preferably the module has notched panel-locating bars 68, 70, base members 74, and vertically adjustable upper bars 50 which also contact the panels. The frame may have a central divider 26 comprising uprights 28, 30, diagonal braces 34, and a longitudinal brace 36. Wheels (76, figure 2, not shown) may be provided on the module, and may be guided by rails or bars (80) situated on the enclosure floor. <IMAGE>
Patent GB-2054819-A (GB)
Title: Plate type heat exchanger
IPC: F28D9/00
Filed: 1979-07-31
Abstract: A plate heat exchanger comprises a cylindrical container 1 open at one end, a plurality of heat exchange units 6 each including a pair of opposite frames 8 with a pack of plate elements 9 therebetween and being inserted in sequence into the container, and a lever or lid 7 attached to said open end of the container 1 under condition of thrusting said plurality of heat exchange units 6. The plate elements 9 are clamped face to face through surrounding sealing strips 12 respectively to form between the plates 9 interspaces through which the heat exchange media flow. Every second interspace among the interspaces is closed with respect to the space within the container and communicates with an inlet 4 and outlet 5 for said one medium. The remaining interspaces open suitably with respect to the space within said container through partial cutouts at said sealing strips to thereby communicate with an inlet 2 and outlet 3 for said other medium. <IMAGE>
Patent GB-2056702-A (GB)
Title: Measuring contact lenses
IPC: G02C7/04
Filed: 1979-08-21
Abstract: An optical cell 1 includes an upstanding circular cylinder 2 for supporting a soft contact lens 3 in a saline solution for examination purposes. In order to centre the lens accurately on the top of the cylinder, a centering device 6 is provided which is constituted by a platform 7 having a central aperture for the supporting cylinder and formed on its upper surface with four ridges 20 spaced at intervals of 90 DEG , the upper surfaces of which are inclined to the horizontal at an angle in the region of 25 DEG . The platform 7 is raised and lowered by a rack and pinion mechanism, so that the inclined surfaces of the ridges engage the edge of a contact lens supported by the cylinder. As a result of successive movements of the device the lens 3 is progressively moved into a centralised position. For measurement purposes a longitudinally slidable probe 30 may extend through the centre of the cylinder 2, its longitudinal position being controlled by a micrometer adjustment 33. <IMAGE>
Patent GB-2031072-A (GB)
Title: Wind motor
IPC: F03D3/06
Filed: 1979-09-19
Abstract: The motor has a vertical axis and at least three blades constituted by hemispherical bulbs 1 disposed on at least one level, each one fixed on a support arm 2, there being means permitting regulation of the radius of gyration of the bulb from the shaft 4. <IMAGE>
Patent GB-2033330-A (GB)
Title: Vacuum filling
IPC: B65B1/16
Filed: 1979-09-28
Abstract: In a method and apparatus for vacuum filling containers (6), particularly small containers such as orally acceptable capsules, with powder use is made of a material delivery passage (2) which is non- vertical. Discrete solid material from a supply (5) can descend freely into this passage but its spatial course and cross-sectional size are such that material remains supported in the passage until air is aspirated from the container (6) via an air exhaust passage (3). Flow of material through the delivery passage (2) ceases following restoration of normal atmospheric pressure at the exit end of such passage. <IMAGE>
Patent GB-2065138-A (GB)
Title: Forming polymer materials by dielectric heating
IPC: C08J3/28
Filed: 1979-12-07
Abstract: Articles are formed by shaping and heating by subjecting to radio frequency or microwave frequency radiation a blend of a polymer and a dielectric heating promoter which comprises a polymer containing ether or thioether linkages having distributed therethrough on a molecular scale an inorganic salt.
Patent GB-2037766-A (GB)
Title: 1,4-dihydropyridines, their preparation and pharmaceutical compositions containing them
IPC: A61P9/10
Filed: 1979-12-14
Abstract: Compounds of formula I,   <IMAGE> where X is oxygen or sulphur; R1 and R2 are various esterifying radicals; and R3 is H or C1-3 alkyl. The compounds are useful for treating coronary insufficiency, intermittent claudication, cerebrovascular insults, spasms in muscles and hypertension.
Patent GB-2043242-A (GB)
Title: Dew point meter
IPC: G01N25/68
Filed: 1980-02-08
Abstract: In a dew-point meter of the kind in which dew formation on a cooled mirror 10 is detected by the resultant scattering thereby of light directed thereon by a light source 12, as detected by a light sensitive detector 14, the mirror 10, light source 12 and detector 14 are housed in a casing partly comprised by an air permeable element 18 providing no line of sight passages and formed of opaque material, preferably of sintered metal particles, which allows air and water vapour to enter the casing, while excluding light and also dust. <IMAGE>
Patent GB-2069653-A (GB)
Title: Pipe fixing device
IPC: F16L3/133
Filed: 1980-02-18
Abstract: A device for fixing pipes to a support comprises a metal laminar piece 1. The piece comprises a central strip which has fingers 2 projecting from opposite sides in opposite directions. A connecting link 7 joins the ends of the strip together when the strip is placed around the pipe. The ends 3 of the fingers 2 bear against the pipe and can flex to accommodate different sizes of pipe. The central strip is spaced from the pipe. A rivet (9, Fig. 5 not shown) received in a strip hole 8 secures the strip to a support (10). <IMAGE>