baber/WOPTO huggingface dataset:
Patent GB-2052776-A (GB)
Title: A process for alleviating partial inactivation of colour couplers
IPC: G03C7/30
Filed: 1980-05-30
Abstract: A process is disclosed for alleviating the partial inactivation of colour couplers e.g. pyrazolone couplers caused, for example, by reaction with vapours of formaldehyde or a vinyl monomer. Partial inactivation is evidenced by decreased spectral absorptivity of the dye produced by the reaction of the colour coupler with a colour dye-forming compound, such as oxidized photographic colour developing agents. The process comprises contacting a partially inactivated coupler or the reaction product of such a coupler and dye-forming compound, with a solution comprising an oxidizing agent (e.g. a peroxide such as hydrogen peroxide) and an oxidation accelerator e.g. potassium ferrocyanide, sodium anthraquinone disulphonate or disodium iron EDTA, provided that when the oxidizing agent is hydrogen peroxide the presence of an oxidation accelerator is optional.
Patent GB-2077686-A (GB)
Title: Packaging strip material in compact form into a carton
IPC: B65B63/04
Filed: 1980-06-02
Abstract: A strip of material such as cotton wool is formed into a compact shape for packing into a carton in such a way that the strip may be uncurled smoothly as one end is drawn out from the carton. This is effected by oscillating the strip by means by means of movable roller 16 to fold the strip into loose zig- zag folds, and then compacting the loose folds into a tight assembly form which predetermined lengths are severed for insertion into the carton. A knife unit 30 is actuated in response to marks on a marker tape attached to the fed strip by a unit 8 to sever a predetermined length from the compacted assembly, which is then manually or automatically inserted into the carton. The loose folds of the zig-zag folded strip are compacted into tight- packed folds by passage between a pair of conveying belts 2b. <IMAGE>
Patent GB-2077981-A (GB)
Title: A mode change-over mechanism for a tape recorder
IPC: G11B15/44
Filed: 1980-06-10
Abstract: A feed reel 2 and a take-up reel 3 have at the peripheral surfaces thereof respective gear elements. A rapid feed gear 126 is connected with the drive motor 18, and said rapid feed gear 126, when the rapid feed mode is selected, is moved to connect with said gear element on the take-up reel 3, and a rewind gear 129, when the rewind mode is selected, is connected first with said rapid feed gear 126 during rotation and next with said gear element at the peripheral surface of the supply reel 2. <IMAGE>
Patent GB-2080315-A (GB)
Title: Unsaturated polyester resin compositions
IPC: C08L67/06
Filed: 1980-07-22
Abstract: A polyester resin composition for a pultrusion process comprises a homogeneous mixture of (A) a polyester resin which has a Barcol hardness of not less that 45 and which is formed from (a) a polyester made by the condensation of one or more dicarboxylic acids and/or anhydrides, of which at least 60 mole percent are alpha, beta-unsaturated dicarboxylic acids and/or anhydrides, and one or more dihydric and/or polyhydric alcohols, and (b) a monomer or mixture of monomers copolymerizable with the polyester, and (B) a minor amount of a cellulose ester resin that is soluble in the polyester resin. The preferred cellulose ester resin is cellulose acetate butyrate having an average butyrate content of at least 44 weight percent, used in amounts up to 10 percent by weight of the composition.
Patent GB-2058131-A (GB)
Title: Stack plate culture
IPC: C07K14/555
Filed: 1980-08-20
Abstract: A process for growing animal cells comprises filling a vertically disposed cylindrical vessel with a mixture of cells and growth medium, which vessel has a top plate with a plurality of inlets and a bottom plate with an outlet, and a series of spaced- apart parallel discs mounted on a rotatable axial shaft within the vessel, allowing the cells to settle on the discs while maintaining optimum temperature and infusing said contents with oxygen and carbon dioxide and thereafter rotating the shaft at at least 5 rpm and continuously recirculating the vessel contents from bottom to the top. A suitable apparatus comprises a vertically disposed cylindrical vessel 1 closed by top and bottom plates 2 and 3, inlets 7, 7', 8, 8' and 9 in the top plate and an outlet 10 from the bottom plate, parallel discs 12, which are fixedly mounted on an axially arranged rotatable shaft 11 and are inclined at at least 5 DEG  from the horizontal and means for rotating the shaft, and means for recirculating the vessel contents from bottom to top. <IMAGE>
Patent GB-2084641-A (GB)
Title: Scaffolding coupling
IPC: E04G7/14
Filed: 1980-10-04
Abstract: A coupling for use in the assembly of scaffolding comprises a body part (12), and a clamping jaw (13) pivotally mounted on the body part by means of a pivot (15). The coupling comprises a T-bolt (20), the head (21) of which is adapted to be seated within an outwardly facing arcuate recess (22) of the body part, with a two-start threaded shank (23) adapted to be inserted within a bifurcated part (17) of the clamping jaw. By tightening a corresponding two-start threaded nut (24) on the shank (23), the clamping jaw and the body part may be drawn together around a scaffold tube. <IMAGE>
Patent GB-2085815-A (GB)
Title: Elevating roof for motor vehicles
IPC: B60P3/38
Filed: 1980-10-04
Abstract: The object of the invention is to provide a construction for the elevating arrangements claimed in Patent Specification Nos. 1485975 and 1565322 which enables the elevating roof components to be pre-assembled. This is achieved by mounting the elevating roof components (including rigid member 4 and canopy 5) on a rectangular base frame 9 instead of directly on the vehicle roof. The base frame 9 and the elevating roof can then be located and fixed as a unit over the aperture in the vehicle roof. <IMAGE>
Patent GB-2066285-A (GB)
Title: Binder for coal briquettes
IPC: C10L5/16
Filed: 1980-10-06
Abstract: A binder for use in briquetting coal-containing material is obtained by disintegrating comminuted coal and/or similar carbonaceous raw material with a hydrocarbon mixture as solvent using elevated temperature and pressure conditions, distilling off between 5 and 20% of readily volatile fractions from the resultant high aromatic, coke oven pitch-like by-product to give a hard pitch-like product having a softening point (according to Kramer-Sarnow) of 120 to 200 DEG C, and adjusting the softening point to 50 to 100 DEG C with a hydrocarbon fraction boiling in the boiling point range 220 to 450 DEG C obtained from coal tar and/or by pyrolysis of petroleum fractions.
Patent GB-2086371-A (GB)
Title: Process for the Preparation of Tertiary Butyl Alcohol
IPC: C07C29/80
Filed: 1980-10-28
Abstract: A process for the recovery of isobutylene as tertiary butyl alcohol from a stream of C4 hydrocarbons comprising contacting the stream with an aqueous acid solution comprising from 50 to 80 wt % of an aryl or alkaryl sulfonic acid, recovering from the resultant mixture an aqueous acid phase containing tertiary butyl alcohol and recovering from the acid phase the product tertiary butyl alcohol.
Patent GB-2062820-A (GB)
Title: A weapon system
IPC: F41A23/20
Filed: 1980-11-06
Abstract: A weapon system comprises a firing device (10) for firing recoil-less projectiles (11) arranged on a telescopic mast (2) which is power operable and a second mast (12) pivotably arranged on the telescopic mast (2) and carrying a position finding and fire control device (13), the second mast (12) being adjustable in height independently of the position of the telescopic mast (2). <IMAGE>
Patent GB-2088655-A (GB)
Title: Switched mode power supplies
IPC: H02M3/338
Filed: 1980-11-18
Abstract: In a switched mode DC-to-DC converter or DC-to-AC inverter, a power transistor (TR1) is operated in a pulsed mode so that a pulsed current flows in the primary of a power transformer (TF1) the secondary of which provides an AC output. In the case of a DC-to-DC converter, the secondary is connected via a rectifier to the load. The transistor is controlled via a further transistor (TR2) whose pulsed output flows in the primary of a second transformer (TF2). This transformer has two single-turn windings, one in the emitter circuit and one in the collector circuit of the power transistor (TR1). A pulse applied to the base of the second transistor (TR2) switches the power transistor (TR1) on via the control transformer (TF2). Due to the coupling between the two single-turn windings, with the concomitant low inductance in the emitter circuit, switch off is rapid. Switch on of the power transistor (TR1) is also included by the use of single turn transformers. These single turn windings can be implemented by using for the control transformer (TF2) a toroidal core, with the emitter and collector leads passed through the core. <IMAGE>
Patent GB-2065952-A (GB)
Title: Indicator Boards
IPC: G09F7/08
Filed: 1980-12-03
Abstract: An indicator board 10, Fig. 1 for displaying information comprises indicators 22, Fig. 4 insertable into, for example, T-shape openings 13, 17 in the front of the board. The indicators are shaped so as to resist forward movement relative to the opening bx abutting a rearwardly facing surface formed adjacent each opening. The indicator 22 is posted into the upper portion 13 and slid down into portion 17. In another embodiment, Fig. 6, the board is formed with letterbox slots 40 for receiving indicators 44, Fig. 8. A plurality of like box-like modules (60) may be stackably mounted on one or more spines (64) within a surrounding framework (65). <IMAGE>
Patent GB-2074597-A (GB)
Title: Basic Azo Dyestuffs
IPC: C09B44/20
Filed: 1981-02-04
Abstract: Mid-blue cationic azo dyes for polyacrylonitrile are derived from 2- amino-cycloalkyl thiazole diazo components and para coupling amines. They have the formula (I> <IMAGE> wherein R is optionally substituted alkyl, alkenyl, cycloalkyl or aralkyl, R<1> is hydrogen, optionally substituted alkyl, cycloalkyl, aralkyl or aryl, or completes a 5- or 6-membered ring by joining to ring B, R<2> is hydrogen or optionally substituted alkyl, n is an integer which is 2, 3, 4 or 5, ring B is optionally substituted and A<(-)> is an anion.
Patent GB-2093274-A (GB)
Title: Electrical Keyboard Switch Devices
IPC: H01H13/702
Filed: 1981-02-13
Abstract: An electrical keyboard switch device suitable for use in arduous conditions, for example in an underground mine, comprises an electrical circuit board (1) defining a plurality of open mode switch connections, and a plurality of actuating keys (5) associated with the switch connections, respectively, each key comprising a resilient plug (5) which is engaged in a recess (6) provided in a cover plate (7) and which, in use, is depressed to activate the associated switch connections into a closed operational mode (via a flexible conductive plate (8). The plugs (5) may be integral with a common backing layer (20) A resilient pad (12) provides a resilient mounting. <IMAGE>
Patent GB-2071021-A (GB)
Title: Movable ramp cargo vessel
IPC: B63B27/14
Filed: 1981-03-02
Abstract: A container feeder vessel 2 is provided with an elongate support member 3 along one side 2 for supporting a longitudinally movable rampholder 4 which has: a ramp 20 pivotally mounted thereon. The ramp holder 4 is held in a selected position by at least two pillars 11 which are locatable in respective ones of a plurality of socket means 13 provided in said elongate support member 3. At least one of the pillar's lower ends 12 and said socket means 13 are provided with engagement means 14 for releasably securing the pillar lower ends 12 in the sockets 13 against withdrawal therefrom. The ramp 20 is secured by means 18 in an outwardly extending position against pivotal movement relative to the rampholder 4 and movement relative to the pillars 11. <IMAGE>
Patent GB-2094058-A (GB)
Title: Fabricating integrated circuit field effect transistors
IPC: H01L21/316
Filed: 1981-03-03
Abstract: A gallium arsenide enhancement mode field effect transistor is formed on a mesa disposed on a gallium arsenide substrate. The transistor gate is formed in a recess (18) etched below the level of the surface of the mesa. This recessing of the gate reduces the parasitic resistances of the transistor. The gate recess (18) is formed by anodic oxidation through a mask under low intensity illumination. The mesa is defined from the surrounding material by anodic oxidation under high intensity illumination. Both these processes provide an accurate control of device dimensions. <IMAGE>
Patent GB-2078270-A (GB)
Title: Antioxidants and reinforced polymers and oil-in-water emulsions of antioxidants
IPC: C08J5/08
Filed: 1981-03-06
Abstract: The present invention provides a method of reducing chemical degradation of fibrous reinforced polymeric materials under thermal aging conditions wherein the chemical degradation is due to chemical interactions between the chemistry present on the fibrous reinforcement and/or reaction and/or thermal decomposition products of said chemistry and the polymer, the method comprising incorporating into the fibrous reinforced polymeric material an antioxidant having low volatility, good thermal stability and good polymer compatibility. The present invention also provided an oil-in-water emulsion of an antioxidant, a method of preparing an oil-in-water emulsion comprising an antioxidant, an aqueous sizing composition comprising an antioxidant-containing oil-in-water emulsion, and a method of forming glass fibers comprising applying to the fibers, during their formation, an aqueous sizing composition comprising an antioxidant-containing oil-in-water emulsion.
Patent GB-2098053-A (GB)
Title: Fastening blinds curtains and the like
IPC: A47H1/18
Filed: 1981-05-08
Abstract: A fixing device for curtains, blinds or the like has the following combination of features:   a) one or more channel sectioned members of are-entrant cross-section; b) a rod or tube adapted to be slid into the hem formed along the top edge of a curtain, blind or the like; c) the cross-section of the rod or tube is such that with the hem of the curtain, blind or the like surrounding it the rod or tube can be slid into the or each channel-section member; d) the or each channel-sectioned member is provided with means by which it can be secured to a window frame or other supporting surface and thus support the curtain, blind or the like in position.   <IMAGE>
Patent GB-2090548-A (GB)
Title: A hotmelt applicator
IPC: B31B50/62
Filed: 1981-11-27
Abstract: A hotmelt applicator, for carton-, tray-, folding box- or similar type of erectors requires heating of the hotmelt to an applicable state in the output part proper, which comprises at least one applicator pin (15) having a spring loaded ball valve. The applicator is arranged directly adjacent a forming shaft of an erecting tool, and said pin is arranged for supplying a predetermined amount of hotmelt by pressing the blank (19) against a support carrying the blank and movable between a blank supporting position above a forming shaft of the erecting tool and a withdrawn position in which the blank can be pushed into the forming shaft. <IMAGE>
Patent GB-2095949-A (GB)
Title: Television burst service
IPC: H04N7/173
Filed: 1982-01-22
Abstract: A visual service that employs the full facilities of a television communication channel on an intermittent basis. A user chooses certain still picture television frames that contain subject matter of interest to him from a selection stored on the video tape reproducers (3, 4, 5--n) and conveys these choices to a central controller (1) via an incoming channel (2). These are then contiguously assembled in a tape assembler (8) perhaps with frames for other users as well, and are then transmitted to the user in a "burst" of such video frames. A local controller (Figure 3 not shown) then selects those frames which have been requested by the user these are then stored at the user's location, and can be brought up for viewing as often as desired. A vertical interval code may be used in the system for frame identification and to reproduce only those frames that the user has requested. <IMAGE>
Patent GB-2094042-A (GB)
Title: Data-communications facility with serial-parallel conversion
IPC: G06F15/167
Filed: 1982-02-18
Abstract: The invention relates to a data- communications facility with serial- parallel conversion which can be used in a viewdata centre, for example, and includes a Microprocessor-controlled communications control circuit (BLE) which controls the data exchange between a first data processing system and a second data processing system. For the transfer of large amounts of information, the first data processing system and the communications control circuit (BLE) have a common memory, and the data exchange between the common memory on one side and the central control unit of the internal data processing system and the controller of the communications control circuit (BLE) on the other side takes place via a common direct access circuit (DMAL). <IMAGE>
Patent GB-2130102-A (GB)
Title: Golf bag
Inventor: ILINE PHILIP JOHN
IPC: A63B55/00
Filed: 1982-09-02
Abstract: A golf bag divider (1) comprises a plurality of members (3), each having a plurality of relatively short through passages or compartments, the members being held with the passages or compartments in alignment so as to define a plurality of relatively long passages or compartments, each for receiving the shaft of a respective golf club. The members are preferably mounted on a shaft (12). <IMAGE>
Patent GB-2107532-A (GB)
Title: Branch-off method
Inventor: NOLF JEAN-MARIE ETIENNE
IPC: H02G15/013
Filed: 1982-09-08
Abstract: A branch-off seal between a heat-shrinkable sleeve, made for example from a cross-linked polymeric material, and two or more substrates such as electric cables or other utility lines is effected by using a fork member. The end portion of the heat-shrinkable sleeve is threaded between the prongs of the fork member so that, on recovery, the heat-shrinkable material tightens and at least two prongs abut the outer surfaces of the sleeve which surround the substrates so as to retain the fork member in position, the gap between the or each adjacent pair of prongs being wider than the recovered thickness of the sleeve material in the gap. The fork is preferably made from a metal such as stainless steel or aluminium. <IMAGE>
Patent GB-2133133-A (GB)
Title: Portable light, such as a torch, searchlight, lanterns or the like and method of production thereof
Inventor: SASSMANNSHAUSEN KNUT OTTO
IPC: F21L4/00
Filed: 1983-01-06
Abstract: Lamp, including a head, a concave mirror reflector disposed in the head, a battery case, and a carrier for a light source being integral with the battery case forming a one-piece unit, the reflector and the carrier being movable to each other in axial direction, and a method for producing the lamp. Injection moulds and a method for injection moulding are also disclosed. <IMAGE>
Patent GB-830063-A (GB)
Abstract: 830,063. Flash arrestors. SVENSKA AKTIEBOLAGET GASACCUMULATOR. Sept. 23, 1958 [Oct. 9, 1957], No. 30350/58. Class 47 A flash arrestor for an acetylene &c. gas conduit comprises a porous body 1 located by deformable or rupturable means 3 between ports 11, 12 at opposite ends of a passage for the gas flow, the body 1 being provided with sealing members 5, 6 each spaced from one of the ports whereby displacement of the porous body due to high pressure of an explosion wave causes one of the sealing members to close the part adjacent to it. In Fig. 1, the deformable locating means 3 comprises an annular flange on the outside of a sleeve 2 containing the porous body; the sealing members 5, 6 are formed of lead at the ends of a lead core 4 within the porous body and the parts 11, 12 are surrounded by annular projections or ridges 13, 14 adapted to bite into the lead sealing members to form an effective seal. In another embodiment, Fig. 4, deformable locating means comprised by an annular flange 23 is cast into the porous body 1, conical sealing members 25, 26 are cast into blind holes in the porous body and the parts 11, 12 are provided with annular grooves 27, 28 of V- shape cross-section so that once the porous body 1 has been moved to form a seal, the sealing member 25 or 26 will be locked in the associated groove.
Patent GB-2114473-A (GB)
Title: Autogenous heavy medium process and apparatus for separating coal from refuse
Inventor: RICH JOHN W
IPC: G01N33/22
Filed: 1982-06-28
Abstract: Coal is separated from mining refuse utilizing an autogenous non-magnetic heavy medium and one or more cyclonic separators. In the process, raw input from mine tailings is screened and mixed with heavy medium to form an aqueous slurry feedstock. The feedstock slurry flows through a primary cyclonic separator (322) which causes a coal-rich portion to exit its overflow and a refuse-rich portion to exit its underflow. The coal-rich overflow is dewatered to produce clean coal solids and a water-rich underflow slurry. The refuse-rich underflow from the primary cyclone (322) is dewatered to produce solid refuse particles and one portion of the heavy medium. Another portion of the heavy medium is obtained by the underflow from the coal-rich slurry dewatering equipment. The primary cyclone (322) has a cylindrical section (323) with an axial extent greater than its inside diameter for imparting to tangentially-admitted feedstock slurry a substantially constant acceleration followed immediately by increasing acceleration in a depending conical portion (326). A vortex finder (331) depends to about the middle of the cylindrical chamber for exhausting the coal-rich overflow slurry therefrom, and the refuse-rich underflow slurry is discharged through a bottom orifice (329). If desired, the refuse-rich underflow from a dewatered cyclone located downstream of the primary cyclone (322) can be crushed and recycled through the primary cyclone (322) to separate middlings.
Patent GB-2129948-A (GB)
Title: Leak testing tool
Inventor: MISSELBROOK JOHN GORDON
IPC: E21B47/10
Filed: 1983-08-19
Abstract: A tool for leak testing piping comprises axially spaced seals 102 (only one shown) a piston 128, 134 associated with each seal for axially compressing it and causing it to expand radially and engage the inside of the piping with a constant pressure, a passage 148, 164 through the tool for supplying fluid under pressure to one face of each piston to cause it to compress the respective seal, and a second passage 160, 166 for delivering a search pressure gas through the tool to a position on the external surface on the tool between the spaced seals. The tool is used in carrying out the method disclosed in the Patent application. <IMAGE>
Patent GB-2149554-A (GB)
Title: Data terminals
Inventor: CROSSLAND WILLIAM ALDEN
IPC: G06F3/147
Filed: 1983-11-08
Abstract: A data terminal uses as its display device a liquid crystal display formed on one face of a thin silicon slice. The slice has formed in it the controlling circuitry, based on MOS devices, for the display and some at least of the associated circuitry. The controlling circuitry includes a microprocessor with its associated memories and interfaces.