baber/WOPTO huggingface dataset:
Patent GB-2080373-A (GB)
Title: Roadside Gully Boxes
IPC: E03F5/046
Filed: 1980-07-22
Abstract: The front-entry aperture of a roadside kerb gully box overlying a drain can be closed to prevent ingress of sand etc in a dry season by repositioning a lift-out cover 6 to bring a depending solid rear wall of the cover into the location normally occupied by a depending front entry grid wall 10. The lift-out cover 6 has four horizontal supporting pins engaging frame slots 12, 13, shaped to allow rear hinge opening when required. <IMAGE>
Patent GB-2083087-A (GB)
Title: Drainage textile fabric
IPC: D21F7/08
Filed: 1980-08-28
Abstract: Fabric structures, for instance drainage and shaping sieves, base fabrics and felts used especially in the paper industry, are treated with polymers e.g. of unsaturated monomers that on the surface of the fibres or of the yarns e.g. polyesters create a layer of hydrophylic gel. This arrangement of the drainage structures diminishes the danger of fouling by resins and other impurities, substantially decreases the mechanical wear and increases their service life and the functional properties.
Patent GB-2066435-A (GB)
Title: Rotary Grates
IPC: F23H9/00
Filed: 1980-10-06
Abstract: A grate 1 is rotated in a horizontal plane about a central axis 3. Fuel is fed into the grate between an ash removal plough 11 and a fuel strike- off arm 10. The grate comprises a perforated metal plate 15 which supports perforated fire bricks 4 having tapered passages to prevent clogging by ash. The perforations are blanked off between the plough 11 and arm 10 which are both watercooled. <IMAGE>
Patent GB-2066889-A (GB)
Title: A clip for securing sheet material
IPC: F16B5/06
Filed: 1980-11-19
Abstract: A clip for securing for example a sheet of thermal insulating plastics foil material above a crop space in a glasshouse comprises a main body (1) and a keeper (2). Both are of a slightly resilient but generally rigid material, preferably moulded nylon. The keeper (2) is recessed at each end and is snap fitted past projections (7, 8) so as to grip and clamp in position the sheet of material which is thereby suspended and exerts a tension (T) on the clip, such that increased tension produces increased gripping of the sheet material between the main body and the keeper. The clip may be fixed slidably to a rail by jaws (10). <IMAGE>
Patent GB-2066077-A (GB)
Title: Fabrics for surgical splints or casts and methods for stiffening such fabrics
IPC: A61L15/07
Filed: 1980-11-24
Abstract: The invention provides a fabric combination for surgical splints or casts including (A) a first material for forming a first inner sleeve with a moisture absorbing fibrous component and a component having a wicking action, and (B) a second material for forming a second outer sleeve having a solvent dissolvable component and a reinforcing component for stiffening the outer sleeve when the solvent dissolvable component has been subjected to solvent action and has congealed against the reinforcing component.
Patent GB-2064281-A (GB)
Title: Seed sowing
IPC: A01C7/02
Filed: 1980-12-04
Abstract: The invention is for seed sowing. it has a tray dish or plate with holes C at intervals, in a row or rows. From each hole extends an open-ended shute or tube. The tray may have ridges forming a channel A with branch channels B leading to each tube. Or the channels may be formed by depressions in the tray. The invention may be made to be used at ground level or any height. <IMAGE>
Patent GB-2069371-A (GB)
Title: Magnetic Recording Media
IPC: G11B5/845
Filed: 1981-02-17
Abstract: A method of orientating magnetic powder in manufacturing a magnetic recording medium, the method comprising the steps of, applying magnetic paint composed mainly of acicular magnetic powder, binder and solvent to a non-magnetic substrate to form a magnetic coating layer, passing the magnetic coating layer through a magnetic field to apply an orientation magnetic field to align the magnetic powder along a predetermined direction while the coating layer is still wet and the powder is still movable in the paint, and drying the magnetic coating layer, the orientation magnetic field applied to the magnetic coating layer being larger than the coercive force of the magnetic powder and the polarity of the orientation magnetic field alternating periodically.
Patent GB-2069512-A (GB)
Title: Cyanoacrylate Adhesive Compositions
IPC: C09J4/00
Filed: 1981-02-17
Abstract: A catalyst system for use in ???- cyanoacrylate adhesive compositions comprises at least one macrocyclic polyether together with a furan derivative of the following general formula   <IMAGE> wherein R1 is a straight or branched chain alkyl or alkenyl radical or a cycloalkyl, phenyl, benzyl or acetyl radical and R2 and R3 independently of one another are hydrogen, straight and branched chain alkyl or alkenyl radicals or cycloalkyl, phenyl, benzyl or acetyl radicals or halogen. Such a system reduces the setting time, especially on porous and/or acid substrates and the adhesive composition has a reduced sensitivity to water.
Patent GB-2070077-A (GB)
Title: Method of Making Stitch- bonded Textile Fabric
IPC: D04H1/52
Filed: 1981-02-18
Abstract: In a stitch-bonding machine rows of simple chain stitches are inserted into a non-woven fleece 2 to consolidate and reinforce the latter using known needles 14 and slide wires 20 reciprocating and interacting in known manner. Known yarn guides 22 moving in known manner each lap at least two stitching yarns Y into notch 16 of the same needle. The yarns are synthetic multifilament flat yarns having little or no twist. Each row of stitches formed from each yarn pair exhibits significant resistance to laddering. <IMAGE>
Patent GB-2070637-A (GB)
Title: Fibrous abrasive products
IPC: B24D3/34
Filed: 1981-02-25
Abstract: An abrasive product is made by impregnating a bonded non-woven fibrous product including abrasive with a foamable polymerisable material, generally while the body is compressed, and then polymerising the polymerisable material.
Patent GB-2071667-A (GB)
Title: Acetyl Derivatives of Cellulose
IPC: C08B3/00
Filed: 1981-03-13
Abstract: A process is described for preparing acetyl derivatives of cellulose, comprising dissolving the cellulose in a solvent chosen among dimethylformamide and dimethylacetamide in the presence of paraformaldehyde, whereby a cellulose methylol derivative is formed, and thereafter treating said derivative in said solution with acetic anyhydride in the presence of a catalyst constituted by an alkali or earth alkali metal acetate or of a compound capable of forming such acetates by reaction with acetic anhydride. White products are obtained which may be easily isolated and used for making fibers or films or like products.
Patent GB-2076807-A (GB)
Title: 4,5-Dihydro-6(pyridinyl)-3(2H)- pyridazinones
IPC: C07D213/57
Filed: 1981-04-23
Abstract: 2-R-4,5-dihydro-4-R'-6-PY- 3(2H)-pyridazinones (I) or salts thereof, which are useful as cardiotonics, where R is alkyl or hydroxyalkyl, R' is hydrogen or methyl and where R can also be hydrogen when R' is methyl and PY is 4- or 3- pyridinyl or 4- or 3-pyridinyl having one or two alkyl substituents, are prepared by reacting 4-oxo-4-PY-2- R'-butanenitrile with an N-R-hydrazine salt of a strong inorganic acid or organic sulfonic acid or by reacting an alkyl 4-oxo-4-PY-2-R'-butanoate or alkyl 4-(BN)-4-cyano-4-PY-2-R'- butanoate with N-R-hydrazine where BN is 4-morpholinyl, 1-piperidinyl or 1-pyrrolidinyl. Compounds (I) may be converted to the corresponding 2-R-4- R'-6-PY-3(2H)-pyridazinones and their salts. The preparation of the starting materials and 2-(BN)-2-PY- ethanenitriles is described.
Patent GB-2098638-A (GB)
Title: Drainage systems in buildings
IPC: E03F5/08
Filed: 1981-05-14
Abstract: A soil stack pipe of a building has at its upper end a one-way air inlet valve provided by a length of lay-flat plastics tubing (8) which is secured at one end around the air inlet (6) of the stack and extends into the stack. Guide means (9) and (10) are provided in the stack for guiding the length of lay-flat tubing (8) so that it follows a non-linear path. The one-way valve tubing (8) prevents escape of foul air but allows admission of air to avoid loss of water seal in traps in the building. The tubing (8) is carried by a two-part cap 2-3 fitted on the stack pipe.
Patent GB-2076384-A (GB)
Title: Silica from single phase controlled hydrolysis of silicate esters
IPC: C01B33/155
Filed: 1981-05-19
Abstract: A method comprising combining a silicate ester and water under hydrolysis conditions in the presence of a sufficient amount of solvent that the reaction mixture remains as a single phase, adding sufficient acid neutralizing agent to form a gel and separating solvent and water from the resulting silica. In a preferred embodiment, the ester and water are added to a very small amount of solvent, the addition of water being sufficiently slow that it is added at about the rate it is used up in the hydrolysis reaction. The resulting silica does not require the washing step to remove alkali metal ions since it is not made from sodium silicate, and it has large pore structure because it can be made in a relatively concentrated solution because of the use of only a minimum amount of solvent and also because the hydrolysis is carried out under conditions wherein only a single phase is produced. The resulting silica is suitable for chromatographic columns and fillers in rubber and plastics but is of primary utility as a base for a chromium oxide catalyst because of its simplicity in production and inherent large pore volume.
Patent GB-2099958-A (GB)
Title: Pressure relief valves
IPC: B65D77/22
Filed: 1981-05-22
Abstract: A valve suitable for incorporation into the wall of a sealed food package comprises a substantially flat envelope (3) having two walls of flexible transparent plastics material joined at their edges within which a flat interior member (1) is urged by a synthetic foam disc (5) to close an opening (4) in the inner wall of the envelope. To relieve excess pressure within the package, the interior member (1) is urged away from the opening (4) to admit gas into the envelope (3) from where it escapes to atmosphere through apertures (6) in the outer wall of the envelope (3). <IMAGE>
Patent GB-2094707-A (GB)
Title: Process and apparatus for providing a sealed package
IPC: B65B31/02
Filed: 1981-06-03
Abstract: Plastic bags 4 are sealed in the neck region by ballooning of the neck region and exposure of the ballooned neck portions to infra-red radiation emitted by heating units 13, 14, Figure 1, or 37, 38, Figure 2A. The thus heated neck region is then collapsed onto itself to seal upon contact. The mouth region of each bag is held by yieldable members 33, 35 so that air can escape slowly from the interior thereof but cannot re-enter. Shrinking heat is applied to the bag 4 by activation of fan motors 8, 9 and heating elements 10, 11 so that trapped air holds the bag ballooned out. Radiation from units 37, 38, protected by wire screens 39, 40, heats the bag material to its softening point. A heated wire 48 of saw-tooth or sinusoidal shape cuts the bag neck to allow escape of air from the bag and vertically movable clamping bars 45, 46 come together to effect the seal, the units 37, 38 being swung aside. A blade 47 cuts away surplus bag material. The bag may be made of a laminated film of ethylene-vinyl acetate, polyvinylidene chloride and irradiated ethylene-vinyl acetate. <IMAGE>
Patent GB-2079704-A (GB)
Title: A coupling pin
IPC: B60D1/02
Filed: 1981-06-09
Abstract: A coupling pin comprised of a stem portion 10 with an enlarged head portion 11 at one end thereof. The other end 12 of the stem is bifurcated by a slot 14 extending inwardly therefrom. A movable element 16 is pivotally located within said slot 14 and spring bias means 20 are provided within the slot 14 to urge the movable element 16 to a latching position where a latching portion 22 thereof projects from the slot 14 at a point inward of the end 12 of the stem 10 from which the slot extends. Preferably the stem 10 is of a circular cross section with the slot 14 extending diametrically along the stem to terminate in an inner inclined wall 15. The movable element 16 preferably has an inclined face 18 at its free end which engages in a face to face contact with the inclined wall 15 when the movable element 16 is in the latching position. The coupling pin can be utilised with a D-shackle used in attaching a safety chain between a trailer and a towing vehicle. <IMAGE>
Patent GB-2109348-A (GB)
Title: Apparatus for coiling strip
Inventor: LAWSON KENNETH THOMAS
IPC: B21C47/06
Filed: 1981-11-05
Abstract: Strip metal is coiled by engaging the leading end with a mandrel until the frictional forces between the coiled strip and the mandrel are sufficient to allow the strip to be coiled by rotating the mandrel. Two pairs of pincer arms (13) and (14), which support a chain of rollers (15) enclose the mandrel and engage the leading end. The right-hand ends of arm (13), as seen in Fig. 1, are joined in by a shaft (18) which supports piston rods (21, 22) which cooperate with cylinders (23) and (24) pivoted at (25) to a shaft (28) which joins the upper ends of arms (14). Arm (14) has attached to it a stop member (29) which limits the clockwise rotation of arm (14) (as seen in Fig. 1) about the shaft (16). The anti-clockwise movement of arm (13) is limited by a bearing pad (30) mounted on the sloping upper surface of the end of carriage (10). The extreme or open positions of the two arms are shown in chain dotted line and the closed position of the two arms in which the chain with its rollers grips the mandrel (31) is shown in firm line. A single chain is employed with rollers which may be as wide or wider than the strip (37) or which extend substantially over the full width of the widest strip to be coiled or which may be appreciably smaller, say 1 DIVIDED 2 to 2/3 of the full width of the widest strip to be coiled around the mandrel 31. The rollers are grooved and engageable with the mandrel. <IMAGE>
Patent GB-2089956-A (GB)
Title: Lamp with shaped reflector and lens
IPC: F21V7/00
Filed: 1981-11-30
Abstract: A reflector lamp comprises a light source 16 at the focal point 13 of a concave reflector 11 shaped to reflect light forward from the source, the source being deeply recessed in the reflector so as to be at least three times as far from the front of the reflector as from the vertex of the primary reflective surface so that more than half the total light is reflected, and a lens 20 over the front of the reflector contoured at least near the outer edge thereof to refract in a more forward direction at least some of the non-reflected divergent light from the light source. <IMAGE>
Patent GB-2096527-A (GB)
Title: Moulding pulley wheels
IPC: B29C39/08
Filed: 1982-03-09
Abstract: The invention provides a method of moulding a disc or wheel in a rotary moulding device having mould members defining a moulding cavity and arranged to rotate about a centre line of said cavity. The steps of the method comprise introducing into said cavity a quantity of a first monomer plastics material and a quantity of a second monomer plastics material, including suitable catalysts, together with a proportion of refined hydrocarbon oil, said quantities being mixed and forced by the rotation of the moulding members in a first moulding step to form an annulus of oil-filled plastics material at the periphery of the cavity, allowing polymerisation to commence, and introducing further quantities of monomer plastics materials before said polymerisation is complete so as to fill the remainder of the mould cavity not occupied by the annulus for a second moulding step, in which there is provided a bond with the partially polymerised oil-filled plastics material of said annulus.
Patent GB-2103628-A (GB)
Title: Block copolymerization process
Inventor: ZUKOWSKI EDWARD AUGUST
IPC: C08F4/16
Filed: 1982-03-22
Abstract: A continuous sequential block copolymerization process for the production of impact resistant ethylene- propylene polymers at high productivity rates, comprises:   (A) preparing a propylene prepolymer containing active catalyst residues in finely divided form by liquid phase polymerization, the catalyst containing a first at least partial complex of an alkyl aluminum with an electron donor in a mole ratio of between 2:1 and 5:1, and a complex of an electron donor compound with a titanium tri- or tetrahalide supported on magnesium dihalide, (B) introducing the propylene prepolymer, ethylene and propylene into at least one continuously agitated vapor phase reaction zone; (C) introducing to said vapor phase reaction zone a quantity of a second at least partial complex of an alkyl aluminum with an electron donor in a mole ratio of from 8:1 to 15:1 and an additional quantity of component (b); and (D) polymerizing said ethylene and propylene onto the propylene prepolymer in the vapor phase reaction zone. r
Patent GB-2095824-A (GB)
Title: Portable optical emission analyser
IPC: G01N21/67
Filed: 1982-03-25
Abstract: A portable optical emission analyser comprises a hand held combination of an excitation unit and a spectrometer 15. A spark can be initiated between electrode 9 and a test piece, e.g. steel plate 8, the sparking environment being provided via line 14 from cylinder 6. Spectrometer 15 is a vacuum spectrometer but a gas filled (e.g. with argon or helium) one may be used. The spectrometer may operate over the range 170 to 250 mm. The combination may be linked to an air spectrometer 2 by an elongated light guide 10. <IMAGE>
Patent GB-2100601-A (GB)
Title: An aromatase-inhibitor for use in a method of prophylaxis and/or of treatment by therapy of prostatic hyperplasia, and pharmaceutical preparations suitable for such a use.
Inventor: SCHWEIKERT HANS-UDO
IPC: A61K31/365
Filed: 1982-05-10
Abstract: Aromatase-inhibitors are used in a method of prophylaxis and/or treatment by therapy of prostatic hyperplasia. Pharmaceutical preparations suitable for such a use comprise an aromatase-inhibitor. A particularly preferred aromatase-inhibitor is, for example, testolactone.
Patent GB-2113418-A (GB)
Title: Operation microscope
Inventor: HANEMANN GERHARD
IPC: G02B21/18
Filed: 1982-06-18
Abstract: An operation microscope wherein the microscope body (1) and its optical components are mounted for selective bodily rotation about the optical axis (6), the body having a viewing-tube receptacle (3) whereby either a single viewing tube (4) or viewing devices of greater complexity (eg. two observation tubes and/or a documentation device) may be selectively connected to the microscope body. The single viewing tube (4) may have an ocular axis at angular offset from the microscope- body axis (6) so that two persons may quickly alternate their use of the same single-viewing tube, merely by swinging the same (together with the microscope body) about the body axis. The objective is arranged in microscope body (1) and may also contain a magnification changer or 300m system. The viewing angle of the observation tube may be continuously variable. <IMAGE>
Patent GB-2103017-A (GB)
Title: Ignition switch and steering lock assembly for motor vehicles
Inventor: LIMBURG HANS-JOACHIM
IPC: H01H9/02
Filed: 1982-06-22
Abstract: A steering lock (3) and an ignition and starting switch (1), actuated by means of a rotatable switching spindle (4) of the lock, are in snap engagement (8, 16) to prevent relative rotation and axial movement. Preferably two mutually diametrically opposed latching eyes (7) are formed integrally on the pot-shaped housing (6), made of plastics, of the ignition and starting switch (1), which has a central opening (5) in its base for the switch-actuating spindle (4), and two latching pegs (8) are provided on the steering lock housing (3), with which pegs the two latching eyes (7) engage by snap engagement. The pegs and eyes on opposite sides may be of different widths so that the switch and lock can only be assembled together one way round. <IMAGE>
Patent GB-2122603-A (GB)
Title: 7-Ä???-(substituted-thio)-acylamidoÜ-cephalosporanic acids
Inventor: FRARE GIOVANNI
IPC: C07D501/34
Filed: 1982-06-25
Abstract: 7-Ä???-(substituted-thio)-acylamido-cephalosporanic acids of formula (A):   <IMAGE> wherein R is a hydrogen atom or a substituted or unsubstituted carboxylic acid group, are prepared by the following reaction sequence:   <IMAGE> Compounds (A) in which R is COOR% and R% is H, benzyl, Na, K or C1-4alkylamino are novel.
Patent GB-2127971-A (GB)
Title: Pressure measuring transducers and methods of making same
Inventor: BURFORD DENNIS WILLIAM
IPC: G01L9/12
Filed: 1982-09-03
Abstract: A pressure transducer, comprises two electrode assemblies (2,3) each comprising a ring-shaped body portion (4,5) having plane end faces, and having an electrode (10,11) rigidly attached to, and electrically insulated from the ring. The electrodes (10,11) have faces parallel to the end faces of the rings and set back therefrom. A conducting together to secure the tensioned diaphragm (14), of size greater than that of the body portions, is sandwiched between the end faces of the body portion so as to leave an edge portion of the diaphragm protruding externally. The diaphragm (14) is tensioned by applying force to the edge portion, and clamping the two electrode assemblies together to secure the tensioned diaphragm therebetween, using a cylindrical jig, having an internal lip (18) adapted to accommodate the edge portion of the diaphragm. The electrode assemblies are each made by forming an assembly of an electrode (10) and an electrically conducting body ring (4), mounting the body ring (4) in a lathe, and simultaneously forming the plane end faces of the ring and of the electrode using a double-headed cutting tool. Matching pairs of the assemblies (2,3) are then selected according to the capacitance between the electrode of each assembly and a conducting sheet. The terminals (13) of the transducer are bolted directly to circuit boards carrying unity gain, non-inverting voltage followers. <IMAGE>
Patent GB-2105991-A (GB)
Title: Anticaries composition
Inventor: SIPOS TIBOR
IPC: A61K6/90
Filed: 1982-09-16
Abstract: Improved protection against dental enamel caries is provided by applying to the teeth and gingivae an oral hygiene composition containing, in addition to a pharmaceutically acceptable fluoride compound, a sufficient quantity of a pharmaceutically acceptable zinc compound so that the ratio of zinc ion to fluoride ion is at least about 7:1 by weight.
Patent GB-2111803-A (GB)
Title: Data processing network
Inventor: BURTON CHRISTOPHER PHILIP
IPC: H04L12/40
Filed: 1982-10-12
Abstract: In a data processing network having a plurality of data processing stations 11 communicating over a bus 10 with each station inductively coupled 12 to the bus data is transmitted in a binary coded form in which a zero is represented by a pair of oppositely poled pulses and a one is represented by the absence of any pulse. The transmitter circuit includes an energy saving circuit for recovering energy from the back- swing of each pulse. Preferably the bus consists of a twisted pair of wires. Each station is coupled to the bus by a core with two transmitters windings. Each winding is connected in series with a respective capacitor. The capacitors are charged through a diode circuit and are selectively discharged through the windings to generate the pulses on the bus. A separate receive core is provided. <IMAGE>
Patent GB-2108074-A (GB)
Title: Preservation and projection of active substances
Inventor: LAYTON DEREK GEOFFREY
IPC: A23L27/00
Filed: 1982-10-27
Abstract: Particles of active substances are micro-encapsulated, e.g. in a polymer such as poly  beta -0H butyrate or pullular having or modified to have a preselected melting or disintegration temperature above the environmental temperature at which the substance is to remain preserved or protected, so that the substance can be released by raising the temperature to the preselected temperature. The microencapsulated substance particles are preserved or protected against deterioration, e.g. during storage, due to contact with air or moisture.