baber/WOPTO huggingface dataset:
Patent GB-2022707-A (GB)
Title: Jet pumps particularly for ballasting and deballasting ships
IPC: F04F5/10
Filed: 1979-06-06
Abstract: A jet pump comprises a chamber with two ejector nozzles B, C opening towards respective opposite open ends of the chamber. By means of fluid selectively supplied to the nozzles through respective valves 2, 3 the pump can operate in either direction without any moving parts of the pump being involved in the selection. The pump is applicable to ballasting and deballasting operations in ships, in which case one end is connected by a sea valve 1 to the exterior and the other end opens near the bottom of the ballast tank through a valve 4. <IMAGE>
Patent GB-2040921-A (GB)
Title: Cephalosporin antibiotics
IPC: C07D277/20
Filed: 1979-10-26
Abstract: Cephalosporin antibiotics of general formula   <IMAGE> (wherein R<a> and R<b>, which may be the same or different, each represent a C1-4 alkyl group or R<a> and R<b> together with the carbon atom to which they are attached form a C3-7 cycloalkylidene group; and R<1>, R<2> and R<3>, which may be the same or different, each represents a C1-4 alkyl group) exhibit broad spectrum antibiotic activity with unusually high activity against strains of Pseudomonas organisms as well as high activity against various members of the Enterobacteriaceae. The invention also includes the non-toxic salts and non-toxic metabolically labile esters of compounds of formula (I). Also described are compositions containing the antibiotics of the invention and processes for the preparation of the antibiotics.
Patent GB-2043724-A (GB)
Title: Carding apparatus drive and operating method
IPC: D01G15/36
Filed: 1980-02-05
Abstract: A carding apparatus drive having an "instantaneous stop" braking system has a driven main cylinder and carding components driven therefrom which may be stopped in about three seconds or less, thereby avoiding breakage of the web. A disc element is employed having opposed braking surfaces A which are clampingly engaged by a caliper C fixed to the frame of the carding apparatus. The disc element is fixed coaxially with and transverse to the main cylinder 10. By driving carding components, including the doffer by way of a direct coupling from the main cylinder, simultaneous stopping of those components with the main cylinder may be achieved. By utilising series-connected conductor bars on component covers, removal of those covers automatically institutes braking. <IMAGE>
Patent GB-2044354-A (GB)
Title: I.C. Engine Intake Valve and Fuel Injector
IPC: F02M57/04
Filed: 1980-03-20
Abstract: The fuel valve p is moved from its seat t by the cam u immediately prior to opening of the air intake valve m. The valve r is moved against the spring s to terminate fuel flow by engagement with the seat t at a rate dependent on cylinder suction. <IMAGE>
Patent GB-2049859-A (GB)
Title: A fixing device
IPC: F16B13/08
Filed: 1980-05-06
Abstract: A fixing device (1) for fixing plates (7) of lightweight construction to a base material (14) comprises a shank portion (3) for penetrating through or between the plates (7) into a bore (9) in the base material (14) and a head portion (4) for engaging over the outside of the plates (7), the shank portion (3) comprising a sleeve (6) fixed to the head portion (4) and having anchoring profiles (10) over at least part of its axial length and a serrated rod (5) insertable into the sleeve (6). <IMAGE>
Patent GB-2049558-A (GB)
Title: Printing device
IPC: B41J1/30
Filed: 1980-05-06
Abstract: A printing device comprising a support (e.g. daisy wheel) 6, 7, 20 carrying characters 8 which are selectively contactable with a, preferably cylindrical, platen 5 under the action of a striker member, usually a hammer 11. This hammer 11 is displaced by a striker device 13, 17, 18, 19, against the force of a return device such as a spring 16, in the direction of a writing surface 5. So as to obtain a striking force adapted to the actual printing surface of each character 8 the printing surface of each character 8 forms part of an imaginary surface P corresponding, in use, to the writing surface 5, the spacing between the surface P and the support surface 21 contactable by the hammer is a function, preferably proportional to the printing surface size of that character. <IMAGE>
Patent GB-2075858-A (GB)
Title: Bucket-type liquid-liquid contactor
IPC: B01D11/04
Filed: 1980-05-20
Abstract: A liquid/liquid contactor has a shell (12), and a rotor constituted by a shaft (14) carrying discs 13 and buckets (30). The inclination of the contactor is readily adjustable, e.g. by mounting the shell (12) on a pivoting base plate (19), one end of which can be adjusted relative to the ground e.g. by a screw mechanism (22, 23). <IMAGE>
Patent GB-2066692-A (GB)
Title: Producing catalytic reactor matrix by sintering metal strips
IPC: F01N3/28
Filed: 1980-11-27
Abstract: A method of producing a catalytic reactor carrier matrix for purifying exhaust gases emitted by internal combustion engines, the matrix being in the form of a honeycomb body formed by winding or by utilising individual elements to provide a laminated honeycomb structure, the matrix being formed from high temperature-resistant, corrugated or folded metal strips (1) and smooth uncorrugated metal strips (2), the strips (1, 2) having a catalytically active coating, wherein the connection (3, 4) of the individual laminations or elements formed from the preshaped strips (1) and the smooth metal strips (2) is effected by sintering. <IMAGE>
Patent GB-2064994-A (GB)
Title: Process for classification of carbon black
IPC: C09C1/00
Filed: 1980-12-17
Abstract: In a process for the classification of carbon black, powdered carbon black from a feeder is entrained in air at a concentration of 0.01-1.0 Kg/m<3>, and preferably passed through a blower, before being fed into a pneumatic classifier.
Patent GB-2071448-A (GB)
Title: A Circuit for Processing an Information Signal
IPC: H03K5/08
Filed: 1981-02-17
Abstract: A circuit for processing an information signal (S1) comprises a threshold crossing detector (6) to which the signal is fed and first and second capacitors (8, 12) which are connected to the detector (6) input (S1) by switches (7, 11) controlled by clamping pulses derived from the detector (6) output, one switch being associated with positive going transitions of the signal and the other being associated with negative going transitions of the signal. <IMAGE>
Patent GB-2071409-A (GB)
Title: Electrical connections to coatings in display tubes
IPC: H01J29/92
Filed: 1981-03-11
Abstract: In a cathode ray display tube having a funnel conductive layer 3 joined in the tube rack to a resistive layer 4 which is connected to a gun electrode 5 by a spring contact 7, and is of at least 10 times the specific resistance of the layer 3, to reduce peak currents during spark overs, the resistive layer 4 is short-circuited during production of the tube by a further spring contact 8 which corrects electrode 5 to the conductive layer 3, to permit sufficiently high currents for effective spot-knocking, after which process the further contact 8 is opened (as shown) e.g. thermally, by the high frequency melting of a solder attachment, or the heating of a thermally deformable material or a bimetal. <IMAGE>
Patent GB-2075049-A (GB)
Title: Preparation of A Pitch for Carbon Artifact Manufacture
IPC: D01F9/32
Filed: 1981-04-30
Abstract: An isotropic carbonaceous graphitizable pitch is treated with an organic fluxing liquid, for example tetrahydrofuran, to provide a fluid pitch in which is suspended substantially all of the quinoline- insoluble material of the pitch. This suspended material is then separated. Thereafter, the fluid pitch is treated in at least two steps with an antisolvent system, preferably having a solubility parameter at 25 DEG C of between 8.0 and 9.5. The total amount employed is sufficient to precipitate at least a substantial portion of the pitch, the individual amounts employed increasing from the first to last step. Preferably two steps are used and 5 to 15% of the total amount is used in the first step. The solvent-insoluble fraction recovered from each step has a successively lower softening point, enabling the obtaining of fractions having softening points suitable for manufacture of specific carbon artifacts, for example a filament for spinning.
Patent GB-2100887-A (GB)
Title: Heating equipment
Inventor: FUTERMAN MAURICE W
IPC: G05D23/20
Filed: 1981-05-26
Abstract: In order to mount photographs, transparencies, a base sheet is coated with heat sensitive material and the item to be mounted can be spot welded into place. In order to provide a weld of precisely the desired strength a heating element with closely monitored temperature is required. The heating element has a heating transistor 24 heated during positive half cycles of the mains power supply 10 and whose temperature is compared with a set temperature 30 during negative half cycles. The temperature difference is stored at 26 and used to control the power applied to the transistor 24. <IMAGE>
Patent GB-2081778-A (GB)
Title: Mineral Winning Machine and System
IPC: E21C27/02
Filed: 1981-08-11
Abstract: An "in-web" mineral winning machine 1 for reciprocation along a mineral face, comprises an elongate machine body 2, adapted, in use, to be located beyond the face side sidewall 14 of an armoured conveyor extending along the mineral face, at least one bridge 10 extending rearwardly from the machine body and adapted, in use, to overlie the conveyor and to engage slidingly a trapping means located at the goaf side 15 of the conveyor, the or each bridge 10 housing a machine haulage unit 34, and the or each bridge 10 being connected to the machine body 2 by at least on joint 9 providing for articulation along an axis extending parallel to the longitudinal axis of the machine body 2. <IMAGE>
Patent GB-2082891-A (GB)
Title: Watch band clasp
IPC: A44C5/24
Filed: 1981-09-04
Abstract: A folding clasp for flexible armbands, especially wrist-watch straps comprises a cover member 3, hinged to one band end, the cover member 3 on folding in of an intermediary member 4 being securely retained at a terminal member 5. The intermediary member 4 is preferably extensible. The terminal member 5 is adjustably arranged on the free band end 2 through hinging to a clamping slide bar 6, and serves by means of a cam end 7 for making the slide bar fast in the desired extent setting. <IMAGE>
Patent GB-2083647-A (GB)
Title: Overhead optic/electric transmission lines
IPC: H04B3/56
Filed: 1981-09-11
Abstract: In an optical guide joint in an overhead electric transmission system of the kind in which overhead electric conductors 1, which include an optical guide 18 comprising at least one optical fibre for the transmission of light, are freely supported in long lengths between spaced towers, each optical guide 18 connected at the joint passes into a housing 21 which is mounted above the ground on a tower, which accommodates the optical fibre joint 30 and which is at least partially filled with an electrically insulating medium in a fluid or semi-fluid state to an extent sufficient to surround the optical fibre joint. Each optical guide 18 effects a fluid-tight seal with a wall of the housing or enters the housing in such a way that risk of water entering the housing is eliminated.
Patent GB-2089688-A (GB)
Title: Paint spraying guide and shield
IPC: B05B15/04
Filed: 1981-12-22
Abstract: A paint spraying guide (10) is provided for spray guns (16), the guide being pivotally attached to the gun adjacent nozzle (18) and serving to guide the gun and hence the paint spray in relation to a line (50), e.g. a base of trim (52), on the surface (48) being painted. The guide (110) may include a paint shield (109) [Figure 4] to prevent paint being sprayed onto the trim (152). <IMAGE>
Patent GB-2094456-A (GB)
Title: Gas lighter
IPC: F23Q2/36
Filed: 1982-01-08
Abstract: A gas lighter having a plastics gas tank (2) and an ignition device provided thereon has an ornamental foil (1) applied by hot stamping to the surface of the plastics gas tank. The foil is provided on the whole side surface except the bottom face (3) of the tank. The gas tank is preferably transparent. <IMAGE>
Patent GB-2091142-A (GB)
Title: Electrical contact elements
IPC: H01H11/04
Filed: 1982-01-18
Abstract: A contact piece for electrical contacts, particularly those subject to high thermal load and comprising a contact portion made of a silver based contact material, preferably of the fibre composite type, and a carrier portion made of fibre composite material the deformation behaviour of which is adapted to the deformation behaviour of the material of the contact portion by appropriate selection of its composition. The contact piece is made by welding together the contact material and the carrier material and thence cold shaping the combination to give the required shape. <IMAGE>
Patent GB-2092167-A (GB)
Title: Plasticized resin compositions for coating metal surfaces
IPC: C09D4/06
Filed: 1982-01-18
Abstract: A synthetic resin composition suitable for coating metal surfaces comprises a dispersion of synthetic resin, such as polyvinyl chloride or vinyl chloride copolymer, in a plasticizer, such as a phthalate ester of a C6-C12 alcohol, and a polymerizable diluent, such as an acrylic ester. Under the curing action of heat or other curing means the diluent polymerises rather than volatilises and is incorporated in the hardened coating. The composition may be coated on such metals as steel, iron, copper, zinc, nickel or brass in the form of articles such as coils, planar surfaces, wires, meshes, and cylindrical or rod-like articles.
Patent GB-2093313-A (GB)
Title: Key Telephone System
IPC: H04M9/00
Filed: 1982-01-21
Abstract: A key telephone system comprises a plurality of key telephones and a main equipment connected to at least one set of central office (CO) lines and capable of connecting thereto the key telephones. The main equipment includes a dual tone multifrequency (DTMF) sending circuit common to the key telephones, the respective key telephones are connected to the main equipment through four wiring cables capable of forming one both-way voice frequency talking circuit, two one-way voice frequency talking circuits and one both-way digital data transmitting circuit, and a plurality of switching matrixes are included in the main equipment for selectively connecting the both-way voice frequency talking circuit or one-way voice frequency talking circuit to the CO lines, the two one-way voice frequency talking circuits to the both- way voice frequency talking circuit or to one of the one-way voice frequency talking circuits in the other key telephone and also the digital data transmitting circuit through the DTMF sending circuit to the CO lines, whereby respective functions of originating and terminating CO line calls, hand-free talk-back and off-hook signalling for inter-com call, speaker monitoring function during CO line talking and the like are performable.
Patent GB-2123438-A (GB)
Title: Electrode assembly with ion exchange membrane
Inventor: KLINKOWSKI PETER RICHARD
IPC: B01J47/12
Filed: 1982-03-05
Abstract: An electrode assembly (15) for use in dewatering a suspension of solids in which an electric field augments an applied vacuum includes a chamber having walls (22) comprising an ion exchange membrane (22a) on which a cake of solids is deposited and an electrode element (27) within the chamber. <IMAGE>
Patent GB-2099800-A (GB)
Title: Bottle closures
IPC: B65D41/04
Filed: 1982-05-20
Abstract: A bottle closure comprises a hollow plastics material member (2) provided with, as shown, a thread (32) for fixing it to the neck of a bottle and is characterized in that face (21) is provided with two coaxial circular skirts (3, 4), the outer skirt (4) having an outer conical face (41). Also provided is a security ring 6 and a guard ring 8. <IMAGE>
Patent GB-2100373-A (GB)
Title: Power transmission mechanisms
IPC: B62D11/10
Filed: 1982-06-08
Abstract: A variable-ratio power transmission mechanism 10 having two output shafts 16, 17 for driving respective wheels or tracks at opposite sides of a heavy off-the-road vehicle, and having a steering mechanism for varying the relative rotational speeds of said shafts, is known. Where the steering mechanism includes a null shaft 30 which is not driven when straight-line travel is required, said shaft has been driveable mechanically from the input of the power transmission mechanism 10 by two-speed gearing in series with gearing capable of rotating said shaft in either direction. This arrangement requires three dynamically-engageable clutches, and has no differential lock capability. In a simpler arrangement having such a capability, the null shaft 30 is driveable mechanically from the input of the power transmission mechanism 10 by a single dynamically- and progressively-engageable clutch 71 in series with gearing 50-58 capable of rotating said shaft in either direction when said clutch is engaged and of positively locking said shaft against rotation when said clutch is disengaged and both forward and reverse clutches 57, 58 are engaged. <IMAGE>
Patent GB-2105893-A (GB)
Title: A coin segregator
Inventor: TAN PAUL
IPC: G07D3/12
Filed: 1982-07-21
Abstract: A coin segregator for segregating a mixed stream of coins (11, 12) into groups of different denominations comprises two substantially parallel coin receiving channels (1, 2) the bases of which (9) are inclined to the horizontal and the side walls (7) of which are upright but inclined to the vertical so that a coin (11, 12) introduced into the upper end of the first channel (1) rests against the side wall (7) of the first channel (1) and rolls along the base of the first channel towards its lower end, and a ramp surface (6) leading from the side wall (7) of the first channel (1) to the second channel (2) the ramp surface (6) having a lower edge arranged at a predetermined distance (h) from the base (9) of the first channel (1), the arrangement being such that, in use, a coin (11) having a diameter less than the predetermined distance (h) passes beneath the lower edge of the ramp surface (6), remains against the side wall of and continues to roll down the first channel (1) and a coin (12) having a diameter greater than the predetermined distance (h) engages the lower edge of the ramp surface (6) and is tilted and deflected into the second channel (2), the coin (12) remaining in a generally upright plane throughout its movement from the first (1) and into the second (2) channel. <IMAGE>
Patent GB-2131469-A (GB)
Title: Improvements in or relating to arcuate precast segments for tunnel shaft linings
Inventor: MCBEAN RUPERT JOHN SIDNEY
IPC: E21D11/08
Filed: 1982-12-08
Abstract: The disclosure relates to an arcuate precast concrete segment for a tunnel or shaft lining having smooth inner and outer curved surfaces (12, 13) and one circumferential edge (15) having three equi-distantly spaced recesses (16, 17, 18) and the other circumferential edge having three equi-distantly spaced recesses disposed opposite the recesses (16, 17, 18) respectively. The outer recesses in said one edge contains screw threaded sockets (23) and a bolt (26) extending through the segment between the mid-pair of recesses (17, 21) having a head adjacent said one circumferential edge and a projecting screw-threaded shank (29) at the other circumferential edge to engage in a socket (23) of an adjacent segment and hollow locating dowels (30) being provided in the three recesses in said other circumferential edge to project from and engage in corresponding recesses of the adjacent segments with which the segment is to be secured in overlapping relation. <IMAGE>
Patent GB-2116530-A (GB)
Title: Method of and apparatus for filling of containers with liquid
Inventor: WALL HANS JURGEN
IPC: B67C3/28
Filed: 1983-03-11
Abstract: A method of filling liquid, for example a beverage containing carbon dioxide, into a closed container such as a keg with filling and tap fittings, is carried out in three filling phases, namely a starting, a rapid filling and a complete filling phase. The volume to be filled during each phase is measured in throughflow and the next phase is initiated as soon as a predetermined target volume of the previous phase has been reached. Serving for this are an inductive throughflow meter (9), an electronic evaluating system (11) with settable target volume values, and multi-stage valve equipment (18, 21). Overfilling of the container is thereby avoided. <IMAGE>
Patent GB-2121721-A (GB)
Title: A process for the manufacture of plastics carrier bags
Inventor: LEHMACHER HANS
IPC: B31B70/00
Filed: 1983-06-09
Abstract: A process for the manufacture of plastics carrier bags from a flattened plastics tube 1 in which the plastics tube is divided in its longitudinal central area into two half-tube widths with wave crests and wave troughs along the severed edges and a fold along the outermost edges, the wave crests of the half-tube widths are provided with reinforcement units, blanked-out handles are formed in the areas of the reinforcement units, and individual carrier bags are subsequently separated from the half-tube widths, e.g., by separating welds, is characterised in that the two half-tube widths are transversely separated and longitudinally displaced such that the wave crests are transversely aligned, the edges of the upper layers folded back Figure 6 and the reinforcing units 7 applied to the exposed inner faces of the upper and lower layers, following which the folded edges are unfolded and the blanked-out handles 8 formed. <IMAGE>
Patent GB-2125761-A (GB)
Title: Tear-open end closures for beverage cans
Inventor: PFORTNER HANS-JOACHIM
IPC: B65D17/34
Filed: 1983-06-17
Abstract: A tear-open end closure, which may be made from sheet steel, for a beverage can has a substantially circular tear-open portion defined by a serrated line (9), a tear-tab (4) being mounted on the portion by means of rivet (3) which has a maximum diameter greater than the maximum diameter of the tear-open portion, and which covers a mounting lug (7) of the tab (4), whereby, inter alia, protection against injury by exposed edges is provided when the can has been opened. A cross-piece (11) may retain the tab (4) and portion on the closure after opening, and thus allow reclosure to exclude dust. <IMAGE>
Patent GB-2124277-A (GB)
Title: Arched precast concrete culvert
Inventor: NAKAGAWA SHIGEJI
IPC: E02D29/045
Filed: 1983-06-22
Abstract: A group of arched precast concrete culverts are used for the construction of an aqueduct, a tunnel, a utility tunnel and other various closed conduits depending upon circumstances of the construction site. The culverts comprise a bottom portion (1), two leg portions (2, 2%) upstanding from opposed sides of the bottom portion (1), an arched ceiling portion (3) spanning both leg portions (2, 2%) and means (5, 6) for joining adjacent culverts. Quantity of concrete material consumed can be largely reduced and the transportation and installation works also can be made easy. <IMAGE>
Patent GB-2144032-A (GB)
Title: Improved device for use in dental hygiene
Inventor: FENNINGS ROGER VINCENT
IPC: A46B5/04
Filed: 1983-07-28
Abstract: A device for cleaning the teeth comprises a brush head (1) the base portion (3) of which is integral with or bonded to a sheath (4) adapted to be worn as a finger stall, the sheath (4) being of flexible and/or resilient material that will conform to the finger in such a manner that the brush head (1) is effectively supported upon the finger tip whilst allowing articulation of the finger in application of the brush to the teeth. <IMAGE>
Patent GB-2130369-A (GB)
Title: Ultrasonic control of welding
Inventor: FENN ROBERT
IPC: B23K9/02
Filed: 1983-10-06
Abstract: A method of automatically controlling the production of a weld bead including examining with reflected ultrasound from one surface of a piece of material the position of a weld pool on the material and the position of another surface of the material, and controlling the position of the weld bead on the material from the result of said examination.