baber/WOPTO huggingface dataset:
Patent GB-2066469-A (GB)
Title: Improvements in or Relating to Guidance Devices
IPC: G01S15/14
Filed: 1980-12-18
Abstract: The invention relates to guidance devices for the blind. Pulses of ultrasonic energy are transmitted by a transducer under the control of a monostable device, the frequency of operation of which is controlled by a range oscillator. Reflected pulses of ultrasonic energy are received by a transducer 11 and after amplification are applied to a commutating filter 16. A ramp generator 24 is controlled by a crossed NAND gate 25 so that the ramp voltage decreases when the gate 25 is reset and remains substantially constant when the gate is set. The pulses from the monostable device are used to reset the gate 25 and the output of the commutating filter 16 is applied to the set input of the gate through a non-linear amplifier 22. The ramp generator 24 controls a voltage controlled oscillator 26 to provide a variable frequency audio output and also controls an electric motor 29 to provide a variable frequency vibratory signal. <IMAGE>
Patent GB-2092370-A (GB)
Title: An epitaxial wafer of compound semiconductor with light absorbing layer
IPC: H01L33/30
Filed: 1981-02-03
Abstract: An epitaxial wafer of a compound semiconductor comprising a single crystalline semiconductor substrate consisting of Gap and an active layer consisting of GaAs1-xPx, having a mixed crystal ratio (x) in the range of from 0.5 to 1 wherein between the single crystalline semiconductor substrate and the active layer, a light- absorbing layer consisting of GaAs1-xPx having the mixed crystal ratio (x) smaller than that of the active layer, is formed to suppress the reflection of light from the surface of the substrate. The active layer may contain an LED display device. <IMAGE>
Patent GB-2096977-A (GB)
Title: Collapsible container
IPC: B65D90/02
Filed: 1981-04-09
Abstract: A collapsible storage and transporting container for pulverous or other fluidizable material has a rigid base (11) provided with support feet (13) and a bag (12) made of pliable material and secured to the base. The base (11) comprises a rigid hopper or funnel-shaped bottom wall (16) exposed to the interior of the bag and having an outlet opening (17). A tubular discharge member (18) is adapted to be connected to a pneumatic conveying system through a pipe (19) mounted beneath the bottom wall (16). The bottom wall is provided with a pneumatic fluidizing device comprising an air-permeable fabric (25) positioned on the upper side of the bottom wall (16) and means (26) for introducing air between the fabric (25) and the bottom wall (16). With the pliable bag (12) collapsed within the base, containers can be stacked on top of each other. <IMAGE>
Patent GB-2082127-A (GB)
Title: Sailing craft
IPC: B63B35/73
Filed: 1981-05-21
Abstract: A sailing craft has a hull of lenticular or saucer-like form. In one embodiment the hull is filled, at least in part, with expanded polystyrene, and has a lower convex wall and an upper flat cover. A section of tube 6, which extends along the axis of revolution of the hull, allows a tubular shaft 12 carrying a rudder 13 and a steering wheel to rotate. A sail 6 is mounted on a mast 9 joined by means of a ball and socket 10 to a mast-carrier 11 which turns in the tubular shaft 12. Various hull shapes are described. <IMAGE>
Patent GB-2083439-A (GB)
Title: Affixing end caps to photographic film cassettes
IPC: G03C3/00
Filed: 1981-07-30
Abstract: A photographic film cassette has end caps staked on to the ends of the cylindrical body of the cassette. There is present at each end of the cylindrical body an external ring of protuberances 4 over which each end cap fits, e.g. 6-12 protuberances raised 0.1 to 0.3 mm from the body surface and formed by embossing. Each cap has a flat, apertured, central portion 10 surrounded by a raised annular U-shaped portion 11, the external limits 12 of the U-shaped portion being rolled or angled to engage the protuberances. The protuberances are sufficient to hold the easily removable caps in place when the cassette is empty. After the body is loaded with a film spool the caps are replaced and staked to the body by indentation. Such caps cannot be accidentally removed by dropping the cassette, but are removable using an opener acting in a similar manner to a crown cork opener. <IMAGE>
Patent GB-2081336-A (GB)
Title: Insulated roof guttering and expansion joint
IPC: E04D13/064
Filed: 1981-08-05
Abstract: A roof gutter panel comprises upper and lower skins (11, 12) (e.g. of aluminium) and insulation (14) located between the skins. A plurality of panels are located end to end. Expansion gaps (21) are left between some adjacent sections of the upper and lower skins (11, 12). The gaps are bridged by butt straps (20, 22). A further butt strap may be connected below the upper skins (11). The upper skin (11) and butt strap (22) are covered with a U.V. stabilized membrane (17, 23).   <IMAGE>
Patent GB-2086339-A (GB)
Title: Apparatus for the Pneumatic Stowing of Alphs-hemihydrate and/or Beta-hemihydrate
IPC: B01F5/24
Filed: 1981-09-18
Abstract: Material, for example, alpha- sulphate hemihydrate and/or beta- sulphate hemihydrate, can be pneumatically stowed using apparatus comprising an inlet 1 and a plurality of nozzles 10-17 for material, delivery, and means are provided for dividing and mixing the material. <IMAGE>
Patent GB-2085055-A (GB)
Title: Crank Connectors for Directional Drilling
IPC: E21B7/08
Filed: 1981-10-13
Abstract: A crank connector for directional drilling whose angle can be varied by remote control, comprises two tubular members (1,2) interconnected by a rotary fitting (2a) which forms an axis ( DELTA ) of rotation different from the respective axes of the two members (1, 2) and is traversed by a shaft (20) slidable in both the tubular members (1, 2) while being constrained to rotate with a first of these members. The shaft (20) has a locking position in which it also becomes rotatably secured to the second member. A remotely controlled axial displacement of the shaft (20) from its locking position is transformed into a rotation of the second tubular member about the axis ( DELTA ) of rotation of the rotary fitting (2a). Auxiliary locking means comprising radially retractable locking fingers (100) prevents any undesired relative rotation of the two tubular members (1,2) when the shaft (20) is rotatably disengaged from the second tubular member. <IMAGE>
Patent GB-2111332-A (GB)
Title: Analogue-to-digital converter
Inventor: LAMBOURN EDWARD HARRY
IPC: H03M1/00
Filed: 1981-12-01
Abstract: An analogue signal to be digitized is applied via an amplifier (A) to a conditioning input (D) of a clocked bistable trigger circuit a first output (Q) of which provides a signal whose condition always corresponds to the input condition obtaining when the trigger circuit has a clock signal (fc) applied thereto and a second output (Q) of which provides a signal which is complementary to that of the first output. The circuit includes one or more feedback circuits incorporating signal integrating means (e.g. C2, R3, R4) from one or each digital output of the trigger circuit to the analogue input circuitry of the converter, characterised in that one or more of the feedback circuits includes means for gating (OR1, OR2, OR3) a clock signal being the, or an equivalent of the clock signal applied to the trigger circuit with a digital signal output of the trigger circuit the output of the gating means constituting the signal fed back to the analogue input circuitry. These regenerated pulses are stated to result in a noise and distortion reduced version of the digital output. <IMAGE>
Patent GB-2089270-A (GB)
Title: Cutting device for transverse cutting of a paper web
IPC: B41F13/56
Filed: 1981-12-10
Abstract: A cutting device for transverse cutting of a moving paper web (4), especially in front of a folding apparatus in a rotary printing machine, comprises a longitudinally slotted shaft somewhat longer than the width of the web (4) and rotatably mounted between walls of the printing machine, the shaft being capable of being traversed approximately in its rotational axis by the web approximately centrally of the slot (3). The shaft can be biassed by means of a torsion spring disposed at either or each of shaft end and can be blocked or disengaged, at a detent (11) fixed on one of the shaft journals, by a linkage (12) coupled with an electromagnet (13). On one side of the web (4) a cutting knife (2) is disposed with its cutting edge at a short distance from the shaft cylindrical surface and from the plane of the longitudinal side of the slot (3) which is towards the cutting knife (2). Opposite the cutting knife (2) and on the other side of the web (4), a deflector bar (15) is fixed parallel to the shaft.
Patent GB-2090740-A (GB)
Title: Talc compositions
IPC: A61K8/00
Filed: 1982-01-13
Abstract: Talc compositions exhibiting improved skin moisture loss retardant characteristics and reduced airborne respirable particles comprising talc, petrolatum and perfume.
Patent GB-2095903-A (GB)
Title: Thermoelectric arrangement for measuring the radiation energy of an electromagnetic radiation source
IPC: G01J1/42
Filed: 1982-02-02
Abstract: An arrangement operating on the calorimetric principle for measuring the radiation 9 of electro-magnetic radiation sources includes sensing elements each constituted by an absorber element 1, a plurality of thermo-electric elements 2,2' and a thermal reservoir 3. The thermo-electric elements are arranged in substantially annular external and internal arrays 4,5 and are in the form of laminas connected via thermal resistor bridges (6). The absorber element (1) is thermally connected to each individual lamina of the internal annular array. The external annular array is thermally connected to and electrically insulated from the thermal reservoir. <IMAGE>
Patent GB-2121482-A (GB)
Title: Pitch control of propeller blades
Inventor: FIELDSEND PETER CAMPLIN
IPC: B63H3/00
Filed: 1982-03-30
Abstract: A control system is provided by which the incidence angle of a propeller blade is controlled in relation to the rotary speed of the propeller by balancing the hydrodynamic forces on a propeller blade with that of a torsionally resilient system 4. <IMAGE>
Patent GB-2103991-A (GB)
Title: Degassing arrangement for vulcanizing machine
Inventor: SAKON TOHATIROU
IPC: B29L30/00
Filed: 1982-04-15
Abstract: A degassing arrangement for use in a vulcanizing machine including a bladder (8), an upper ring (3) and a lower ring for supporting the bladder (8) and a centre post (2) extending through the upper and lower rings. The arrangement comprises a degassing passage (01) formed in the upper ring (3) and which opens into the inside of the bladder (8) through, in one embodiment, a valve (11). A conduit (d) connects the degassing passage (01) to a passage (16) formed in a valve seat (15). A valve member (32) is movable axially to contact the valve seat (15) and has a pipe (31) extending from its upper end. The pipe (31) is connected to a suction pump and may be raised or lowered whereby the valve member (32) is brought out of or into contact with the valve seat (15). Gas is discharged through the degassing arrangement by the suction pump when the valve member (32) is brought into contact with the valve seat (15). <IMAGE>
Patent GB-2103983-A (GB)
Title: Assembling force fits
Inventor: LOZZI ROMANO
IPC: H02K15/14
Filed: 1982-05-04
Abstract: Apparatus for simultaneously fitting two components (T) onto opposite sides of a part (P) from opposite directions, for example heads onto an electric rotor or stator. The components are carried by tools 5 which are moved in opposite directions towards the part (P) by drive means 7 connected directly between tool carriages and reacting directly on the carriages. <IMAGE>
Patent GB-2119497-A (GB)
Title: Internally illuminated articles of furniture
Inventor: STODDARD RICHARD EDWARD
IPC: F21S8/00
Filed: 1982-05-04
Abstract: An article of furniture, such as a decorative panel, a screen or a bed- head, comprises a rigid surround 10 within which is mounted an electric light source 17, at least one open side of the surround being spanned by a panel assembly 12 including a sheet of translucent light-diffusing material 13 and a sheet of at least partly translucent fabric 14, bearing a decorative design, extending across the light-diffusing sheet on the side thereof remote from the light source so that light from the source is diffused by the light-diffusing sheet before passing through the fabric. <IMAGE>
Patent GB-2120460-A (GB)
Title: Microwave switch
Inventor: GREED ROBERT BRIAN
IPC: H01P1/15
Filed: 1982-05-07
Abstract: An improved microwave switch incorporating a fin line structure is described. Microwave switches incorporating fin line structures enable microwave energy to be passed to a load or reflected back to the source by controlling the conductance state of diodes 14, 15 mounted across the fin line structure. In order to improve the electrical performance of such switches, the width of the waveguide channel 6 in the vicinity of the fin line structure 7,8 is very greatly reduced thereby suppressing the waveguide mode of propagation so that the fin line structure receives substantially all of the energy applied to the switch. Tapered blocks 30 (one only shown) are provided for this purpose. Higher order modes which are generated at the fin line structure are attenuated by lossy material 33,34 positioned in choke cavities mounted on either side of the fin line structure. <IMAGE>
Patent GB-2101440-A (GB)
Title: Direction finding
Inventor: HUGHES KENNETH WILLIAM THOMAS
IPC: G01S3/14
Filed: 1982-06-21
Abstract: A direction finding system has radio receivers 10 and 12 receiving. respectively. the difference between the signals picked up by antennas N and S, and the signals picked up by antennas E and W. The resultant analogue signals, proportional to the sine and cosine of theta  are converted into digital form and divided by the digital value of the signal picked up by a sense antenna C. A divider 26 then divides the resultant outputs one with the other, to produce an output proportional to tan  theta  and with no sense ambiguity. The use of digital techniques minimises receiver matching problems. The narrow aperture ( lambda /4) of the system as described is widened in another system which includes an approximate-bearing unit for resolution of sense ambiguity. Figures 2, 3 (neither shown). <IMAGE>
Patent GB-2127716-A (GB)
Title: Mechanical system
Inventor: BENT RUSSELL GRAHAM
IPC: F16F15/22
Filed: 1982-08-27
Abstract: A mechanical system, for use in a centrifuge for example, comprises a double arm 2' fixed to a shaft 4 for rotation in bearings 5 about an axis 3, the double arm 2' carrying at its outer end a unit 1 under test. An arm 7' fixed to the unit 1 extends through a diametrical sliding bearing 9 in the shaft 4 and carries at its other end a counterbalancing mass 8. The average force throughout the length of the double arm 2' is zero or very low, so preventing undesirable extension of the double arm 2' as a result of rotation. <IMAGE>
Patent GB-2116937-A (GB)
Title: A dual control arrangement for vehicular implements in particular cranes
Inventor: LINDKVIST JONAS
IPC: B66C13/56
Filed: 1983-03-10
Abstract: A dual control arrangement for vehicular cranes comprises two control units (5, 6) placed at opposite sides of a vehicle (2) each of said units including a plurality of manually actuated control members arranged sequentially in a substantially horizontal row and arranged to actuate, as required, a corresponding number of valves determining the functions of the crane. The control members of the two units are interconnected in pairs in such manner that a certain operating member is actuated irrespective of whether one or the other control member of a pair of control members is manually actuated. <IMAGE>
Patent GB-2120643-A (GB)
Title: Cap for hermetically-sealing containers
Inventor: LABAIG JEAN-JACQUES
IPC: B65D77/20
Filed: 1983-05-18
Abstract: A cap for sealing containers comprises a bottom part 3, intended to adhere to the lips of the container opening, and a skirt 4 adjoining the bottom part and designed to adhere to the neck or body 2 of the container. The skirt 4 extends along only some of the periphery of the bottom part and, along the remainder of this periphery, the bottom part is adjoined by a gripping appendage 5 which projects laterally and can be turned down towards the neck or body of the container without adhering thereto. The gripping appendage may have a skirt portion (13) extending without interruption from or separated by notches (14) from the skirt. <IMAGE>
Patent GB-2123415-A (GB)
Title: Cephalosporin antibiotics
Inventor: LOOKER BRIAN EDGAR
IPC: C07D501/60
Filed: 1983-06-29
Abstract: Cephalosporin antibiotics of general formula   <IMAGE> (wherein R represents a 3- or 4-carbamoyl group or a hydrogen atom) and non-toxic salts and non-toxic metabolically labile esters thereof. The compounds exhibit broad spectrum antibiotic activity and have high activity against both Gram-positive and Gram-negative organisms, including many b-lactamase producing strains. Especially preferred are those compounds in which R is hydrogen. Acid intermediates of formula   <IMAGE> (wherein R<2> is amine or protected amine) are also disclosed.
Patent GB-2143619-A (GB)
Title: Reed valves for internal combustion engines
Inventor: HARGREAVES BERNARD JAMES
IPC: F01L3/20
Filed: 1983-07-20
Abstract: A reed valve for an internal combustion engine comprises an aperture closeable by a resilient valve member composed of an epoxide resin laminate. The laminate preferably includes cotton.
Patent GB-2126566-A (GB)
Title: A machine for cleaning receptacles
Inventor: POTTS ROGER FRANK
IPC: B08B9/08
Filed: 1983-08-12
Abstract: In a method and apparatus for removing dirt from dirty objects, the surface of the object is sprayed with a high pressure spray fo cleaning fluid, the object is then immersed in a chamber containing cleaning fluid, additional cleaning fluid being sprayed on at high pressure in the chamber to agitate the cleaning fluid therein to scrub the surface of the object, the object is then removed from the immersion chamber, and its surface is sprayed with a high pressure spray of rinsing fluid.The high pressure spray 74 in the immersion chamber 32 is about two thirds of the way along the immersion chamber 32 so that the object is soaked for the first two thirds of its time in the immersion chamber and is scrubbed for the last third. <IMAGE>
Patent GB-2125266-A (GB)
Title: Nozzles for dispensing fluids such as icing
Inventor: MITCHELL STANLEY JAMES
IPC: A23G3/28
Filed: 1983-08-15
Abstract: Die-cast nozzles for dispensing fluid icing sugar have at least one integral projection which is formed internally of the nozzle. The projections are to prevent intimate nesting of identically shaped nozzles during subsequent plating, and may also perform a fluid-directing function. Alternatively nesting-preventing projections may be formed internally in addition to fluid-directing projections.
Patent GB-2135376-A (GB)
Title: Composite intermediate bonding structures
Inventor: PADDEN JAMES BECKER
IPC: C09J5/00
Filed: 1983-09-13
Abstract: The structure is for joining two dissimilar materials (32, 34) together. The structure has a non-porous base (12) with two bonding faces (14, 16). A porous member (18, 20) is bonded to each of the faces. The base (12) may be a metallic foil and the porous members (18, 20) may each be a metallic mesh. 
<IMAGE>
Patent GB-2152895-A (GB)
Title: Mechanical handling apparatus
Inventor: COOK KENNETH
IPC: B60P1/36
Filed: 1984-01-06
Abstract: Mechanical handling apparatus 1 comprising a support surface 2 for a load (not shown), and a plurality of spaced-apart, endless conveyors 3 for conveying a load over the surface, which conveyors 3 are substantially parallel and are each mounted by individual means 4 for movement in a direction transversely of the support surface 2, in the directions shown by double-headed arrow "X" between a non-conveying position (shown on the left) and a position in which a load is conveyable over the support surface (shown on the right). The individual means 4 each comprises an elongate body member 5, e.g. an aluminium extrusion, having a respective base 6 and 7 for the conveying and return runs of the respective endless conveyor 3, and an inflatable device 8 such as an air bag for moving the elongate body member 5 and the conveyor 3 between the non-conveying and conveying positions. The conveyors 3 preferably each comprise a chain mesh or plastic belt. <IMAGE>
Patent GB-2137656-A (GB)
Title: Aluminium alloy heat treatment
Inventor: MILLER WILLIAM SINCLAIR
IPC: C22C21/00
Filed: 1984-03-30
Abstract: A method of producing sheet or strip from a rolling ingot of an aluminium alloy which contains lithium and constituents selected from the following groups 1 and 2:-  Group 1-deliberately added magnesium, copper and zinc;  Group 2-Zirconium manganese, chromium, titanium, iron and nickel; comprising hot rolling the ingot in one or more stages to produce a hot blank; holding the hot blank at a temperature and for a time which causes substantially all of the lithium and substantially all of any of the Group 1 constituents present to be in solid solution; positively cooling the hot blank; subjecting the cooled blank to a further heat treatment to reprecipitate those age hardening phases in solid solution, continuing the heat treatment to produce a coarse averaged morphology and thereafter cold rolling the blank to form a sheet or strip which at any position therein and in any direction therefrom has properties of elongation that vary from those in the rolling direction by no more than 2.0%.
Patent GB-2139091-A (GB)
Title: Bone marrow cavity sealing plug
Inventor: NIWA SHIGEO
IPC: A61L27/00
Filed: 1984-04-04
Abstract: A sealing peg, used in the art of orthopedics to block a bone marrow cavity of a femur when a stem of an artificial hip joint is inserted into the bone marrow cavity and fixed therein, is made of a calcium phosphate compound and has a compressive strength of not less than 500 kg/cm<2>.
Patent GB-2140382-A (GB)
Title: Method and apparatus for producing a heat shrunk package
Inventor: NATTERER JOHANN
IPC: B65B31/02
Filed: 1984-05-17
Abstract: A method of producing a package is provided wherein a product is brought into a depression formed using a shrinkable sheet material, a cover is brought over the depression, the sheet material is shrunk by heating and the depression is closed with a cover by heat-sealing. In order to shrink the depression free from creases onto different and irregular product surfaces steam is admitted to the sheet material having a saturation temperature above the sheet material temperature such that the steam condensing at the sheet material transfers its heat of condensation to the sheet material. The apparatus for performing the method comprises a sealing station with an upper tool and a lower tool movable relatively thereto and having a chamber for receiving the depression, the chamber being connected with a steam generator.
Patent GB-2149321-A (GB)
Title: Coated steel
Inventor: YAMAMOTO TAKASHI
IPC: C23C30/00
Filed: 1984-10-19
Abstract: A hydrogen absorption-controlling coated steel article has a metal layer from 0.05 to 1  mu m thick between the steel surface and a coating or lining.
Patent GB-2170393-A (GB)
Title: "Dumper" cricket pad
Inventor: CHARLES DAVID ADRIAN
IPC: A63B71/12
Filed: 1985-02-05
Abstract: A cricket batman's pad, where a half length wedge section - a "dumper wedge" - is built onto the front facing half of the front leg pad. The inside facing half is broken at the knee by a coventional hooped section. The flap above the knee is rooted behind the top of the wedge and hooped section, with a central gusset. The wedge is made of shock absorbent material, rounded off laterally. <IMAGE>