baber/WOPTO huggingface dataset:
Patent GB-2156537-A (GB)
Title: Temperature stability arrangement in a combined laser recording and color projection system
Inventor: BEST GARY H
IPC: G02F1/133
Filed: 1985-01-21
Abstract: A combined laser 20 recording and projection system utilizing locally erasable recording medium e.g. smectic liquid crystal display cells 54,56 is provided with a compartment 82 filled with a thermally conductive liquid. The display cells 54,56 and the combining beam splitter 48 are immersed in the liquid and the temperature of the liquid is controlled to provide a uniform surface temperature distribution for the display cells. Additionally, the refractive index of the liquid may match that the beam splitter, thereby eliminating the requirement of an anti-reflection coating. <IMAGE>
Patent GB-2178654-A (GB)
Title: Improvements to sinks, wash hand basins, bath and toilets
Inventor: BECKETT MICHAEL THOMAS
IPC: E03C1/324
Filed: 1985-03-26
Abstract: The Patent relates to the invention of flexible and movable Sinks, wash hand basins, baths and toilets. By using flexible mountings and couplings to water supply and waste disposal of the units, a unit such as a sink, basin, bath or toilet may be height adjusted to suit different sizes of people, and for ease, of use for patients and old people instead of being fixed at a certain height. It also relates to easy movement of the units to save space and different uses of a room. <IMAGE>
Patent GB-2163053-A (GB)
Title: Deodorizing toilet roll cover
Inventor: ALTICOSALIAN GIRAIR HAGOP
IPC: A61L9/12
Filed: 1985-08-15
Abstract: A toilet roll cover is shaped to enclose the uppermost portion of a toilet roll supported in a holder for rotation about a horizontal axis. The cover 1 includes a hood portion 2, side walls 3 and a rear wall 4. The side walls have apertures 5 through which can pass the rod or spindle of a toilet roll holder. A pad 7 impregnated with a deodorant is located against the rear wall and held in position by clips 8 so that its scent can diffuse into the surrounding atmosphere. <IMAGE>
Patent GB-2165332-A (GB)
Title: Rack and pinion steering mechanism
Inventor: TAKEUCHI KUNIO
IPC: F16H57/12
Filed: 1985-10-02
Abstract: A rack and pinion steering mechanism comprises a housing 11, a pinion 10 rotatably supported within said housing and having one end connected to a steering wheel (not shown), a rack bar 13 having teeth 14 in engagement with the pinion 10 and having opposite ends to which wheels are connected, and support means supporting the side of said rack bar 13 opposite from the rack teeth 14. The support means comprises a yoke 20 movably supported within said housing 11 for engaging and disengaging from said rack bar 13 and having a rack bar abutment face 23. A roller 21 rotatably supported within the housing 11 has a rack bar abutment face 24. A spring 22 normally biases the yoke 20 to cause said rack bar abutment face 23 on the yoke to contact the rack bar 13, whereby when a low load is applied to said rack bar 13 the rack bar is supported solely by the rack bar abutment face 23 on the yoke, and when a high load is applied the rack bar 13 moves against the force of said spring 22 so as to be supported by the rack bar abutment face 24 on said roller 21. <IMAGE>
Patent GB-2188303-A (GB)
Title: Drive system
Inventor: CATHERWOOD ROBERT FREDERICK ER
IPC: F16H19/00
Filed: 1986-03-25
Abstract: A drive system for a robot arm 1 which is mounted on a shaft 2 extending normal to the length of the arm 1 comprises a torque arm 10 and a driven pinion 14 mounted on the torque arm 10 engaged with a fixed arcuate rack 15 of constant radius. The pinion 14 is driven through a belt 11 by an electric motor 16 on the torque arm 10. <IMAGE>
Patent GB-2192381-A (GB)
Title: Sampling apparatus for free- flowing materials
Inventor: GLUSHKOV NIKOLAI SERGEEVICH
IPC: G01N33/00
Filed: 1986-07-09
Abstract: The apparatus comprises a supporting pillar mounted on which is 4 manipulator 2 controlling sampler 3. Sampler 3 has coaxially-arranged outer and inner spirals. The inner spiral has the form of a lead screw whose upper part is connected with a rotation drive 12 installed on manipulator 2. Secured to manipulator 2 are electromagnetic 13 and safety 14 clutches, the latter being connected to the outer spiral of sampler 3, said outer spiral being provided in the lower part with element 20 contacting with the inner spiral while protective cover 17 is arranged coaxially with sampler 3 The apparatus can be employed for taking single-point samples by immersion in containers of free- flowing solid materials, mutual rotation of the two spirals exposing pockets which fill with material, the pockets then being re-closed by rotation of the spirals; the sampler is withdrawn and the samples discharged. <IMAGE>
Patent GB-2185175-A (GB)
Title: Smoking articles and wrappers and ink for their production
Inventor: ADAMS BRIAN
IPC: A24D1/02
Filed: 1987-01-05
Abstract: Smoking article wrappers carrying dried deposits of an alkaloid such as nicotine or, preferably one of its salts and also, of a water-soluble alkali are disclosed. After manufacture and on exposure to moisture in the atmosphere the alkali causes the alkaloid to migrate from the smoking article wrapper to the smoking material within it, thus increasing its alkaloid content. Compositions comprising particulate alkaloid, or salt thereof, and particulate water- soluble alkali in a non-aqueous carrier, which may be used to make the wrappers, are also disclosed.
Patent GB-2191213-A (GB)
Title: Integrated process for the production of liquid hydrocarbons from methane
Inventor: BROPHY JOHN HOWARD
IPC: C07C2/76
Filed: 1987-05-21
Abstract: Liquid hydrocarbons are produced from methane by a process comprising the following steps:-   (I) feeding methane to a pyrolysis zone maintained under such conditions that methane is pyrolysed to form a product comprising hydrogen, unsaturated hydrocarbons and aromatic hydrocarbons in a yield exceeding 30% wt, (II) partially quenching the pyrolysis product from step (I) with water to a lower temperature such that carbon formation is essentially prevented, (III) further quenching the product from step (II) or the product from (II) which has been subjected to oligomerisation and/or alkylation, with a liquid hydrocarbon to a temperature low enough to condense condensible components of the pyrolysis product, thereby achieving gas/liquid product separation. The liquid product from III may be hydrogenated.
Patent GB-2195864-A (GB)
Title: Communications network and method with visible message transmission capabilities
Inventor: CHAMBERLIN DAVID B
IPC: H04M11/10
Filed: 1987-08-07
Abstract: A communications network particularly useful in office communications, includes a plurality of transceiver units 10, each of which can be used as a telephone, or as a dictation terminal, or optionally as an automatic telephone answering machine. The network includes a personal computer 112 for performing various communications and communication control functions. Preferably, each transceiver unit includes a visual display 16 for displaying messages. Messages can be sent from the computer to the transceiver units, or from one transceiver unit to another. The messages can be pre-set standard messages, or messages created uniquely. A telephone or PBX operator, may send messages. through the network reporting missed telephone calls, thus avoiding the need for written notes or other memoranda. <IMAGE>
Patent GB-2202609-A (GB)
Title: Pinch roller
Inventor: NISHIMURA SHOZO
IPC: G11B15/60
Filed: 1987-09-25
Abstract: A pinch roller which eliminates the necessity of a grinding step after assembly and can be produced efficiently at a low production cost. The pinch roller comprises a rotary member (11) having a column-or cylinder-like profile, and a rubber tubular member (12) fitted around the rotary member (11). The rubber tubular member (12) has an equal thickness of material over the entire length and circumference thereof while a rubber tubular member receiving portion (17) of the rotary member (11) has a greater diameter at an axially intermediate portion thereof than that at opposite end portions thereof. <IMAGE>
Patent GB-2197870-A (GB)
Title: Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby
Inventor: BIGGERSTAFF CHARLES EDWARD
IPC: B29C48/13
Filed: 1987-11-02
Abstract: Apparatus, and a method, for extruding and expanding tubular products of polytetrafluoroethylene (PTFE), and the products produced thereby, are provided. In the apparatus, at least one helical groove (26 or 28) is placed in the wall of the extruder tip or die. Preferably, at least one groove (28) is machined in the tip (18) having a pitch angle of 135 degrees and at least one groove (26) is machined in the die (24) having a pitch opposite that (45 degrees) of the tip groove. In the expanded tube, at at least one radial position within the wall of the tube, substantially all of the longitudinal axes of the nodes are oriented at an angle between 85 degrees and 15 degrees with respect to the longitudinal axis of the tube. In a preferred embodiment, substantially all of the longitudinal axes of the nodes located adjacent the inside wall of the tube are oriented at an angle between 85 degrees and 15 degrees with respect to the longitudinal axis of the tube, and substantially all of the longitudinal axes of the nodes which are located adjacent the outside wall of the tube are oriented at an angle between 15 degrees and 165 degrees with respect to the longitudinal axis of the tube. The grooved extrusion tip and die give the finished tube increased hoop strength.
Patent GB-2202540-A (GB)
Title: Coloured hydrogel objects and their production
Inventor: DA COSTA NICHOLAS MARIO
IPC: C08J7/00
Filed: 1987-12-16
Abstract: Shaped organic polymer hydrogels, especially contact lenses, are provided with opaque or translucent colouring so as to be capable of masking effectively any underlying colour, e.g. the natural colour of the eye. The hydrogel may be rendered opaque by precipitation in situ of a white or yellow water-insoluble, inorganic or organic material e.g. barium sulphate or an optical brightener and then coloured with a suitable dyestuff.
Patent GB-2208301-A (GB)
Title: Wellhead with safety valve for pumping well
Inventor: HEINONEN ROBERT L
IPC: E21B33/08
Filed: 1988-07-05
Abstract: A wellhead stuffing box 10 for sealing around the polished rod 43 from a pumping unit to a reciprocating well pump to provide emergency closure of the bore through the wellhead in the event of breakage of the polished rod includes a flapper valve 50 mounted on a pin 57 for movement between a vertical open position and a horizontal closed position across the wellhead bore. A well pressure responsive cylinder 62 and piston 61 assembly is mounted on one side of the wellhead and has an operating rod 60. The piston 61 is exposed to well pressure on one side urging the piston outwardly to the valve open position and a spring 75 engages the piston on the opposite side biasing the piston inwardly toward the valve closed position when well pressure is not sufficient to keep the spring compressed. One form of the wellhead includes a packing assembly 30, 40 for sealing around the polished rod. A second embodiment includes only the valve assembly which is used with a standard packing assembly. A third embodiment of the wellhead includes a swivel mounted packing assembly to permit the polished rod to deviate from the vertical. <IMAGE>
Patent GB-2224108-A (GB)
Title: Refrigerated vehicle
Inventor: REYNOLDS STEVEN JOHN
IPC: B60H1/00
Filed: 1988-08-04
Abstract: A refrigerated vehicle with two or more compartments 2,4,6 is described. A heat exchanger 8 and associated air circulation means 10 is provided in the forwardmost compartment. A heater is provided in a chamber positioned between two adjacent compartments 4,6, the chamber being connected to the compartments by passages which are controlled by air flow control means e.g. gravity flaps and fans so that air may be passed from one compartment to another either directly or across the heater, or from one compartment across the heater and back to the same compartment. <IMAGE>
Patent GB-882814-A (GB)
Abstract: 882,814. Retarding articles sliding down a shoot. AUER MUHLENWERKE KOMM.- GES. a.A., HEINR. March 14, 1960 [March 12, 1959], No. 8974/60. Class 78 (1). Bags 11 slide down a shoot and their speed is checked by retarders 2, each of which includes a plate 4 pivoted at 9 and furnished with diaphragm 5 so as to constitute a chamber 6 which resists pneumatically the passage of the bag. Each chamber has apertures (not shown), a non-return valve 8 and, if required, a return spring. The retarder may be provided at a bend in the shoot (Fig. 7), in which case the pneumatic chamber 26 may be constituted by a resilient plate 21 secured at 22 to the shoot, no diaphragm being employed.
Patent GB-884013-A (GB)
Abstract: 884,013. Grippers for lifting articles. PHILIPS ELECTRICAL INDUSTRIES Ltd. May 1, 1958 [May 4, 1957], No. 13933/58. Class 78 (4). [Also in Group XXII] The jaws 1, 2 (Fig. 2) of a gripper are closed by permanent magnets 6, 8. In the construction illustrated the jaw 1 carries alternate north (N) and south (Z) poles (Fig. 3) while the jaw 2 carries only south (Z) poles. In the relative position shown in Fig. 3 the jaws are attracted to one another but the jaw 2 can be slid axially along the pivot pin 3 (Fig. 2) so that its poles take up the position in which they are repelled by the poles Z on the jaw 1. The jaw 2 is provided with a non-magnetic stop 4 (Fig. 2) against which a series of articles 5 carried by the jaws abut.
Patent GB-2217108-A (GB)
Title: Semiconductor device etching using indium containing etch stop
Inventor: TANOUE TOMONORI
IPC: H01L21/3065
Filed: 1989-03-29
Abstract: A method of manufacturing a semiconductor device comprises a step of exposing an etching stop layer (5) containing indium by reactive dry etching using a gas containing a halogen element as a constituent element which is capable of selective etching with good controllability and high accuracy. A semi-conductor device which is manufactured using this method may be a Bipolar Transistor or a Field Effect Transistor, and may be a heterojunction device. <IMAGE>
Patent GB-2233972-A (GB)
Title: Propellant powders
Inventor: BAKER FRANCIS SYDNEY
IPC: C06B21/00
Filed: 1989-04-18
Abstract: A method of producing a propellant in a bail powder form comprises the steps of extruding lengths of propellant cord, cutting the lengths into strips or pellets, and spinning the strips or pellets whereby they tumble against one another and eventually develop into spherical or spheroidal granules.
Patent GB-2231608-A (GB)
Title: Security bar assembly
Inventor: COSFORD ROY STANLEY
IPC: E06B9/01
Filed: 1989-05-18
Abstract: A security bar assembly, for protecting window openings against unauthorised access comprises an outer tube (10) and a rod member (12) of circular cross-section captive within the tube and extending along all or substantially all of the length of the tube (10). The member (12) is freely rotatable relative to the tube portion, for example end portions being carried by bearings (22). Opposite end portions of the tube (10) are preferably secured to mounting means for example a header rail (14) by which the assembly may be attached to wall portions bounding an opening across which the security bars are to extend. If desired, the bearing means (22) may be carried in recesses in the header rail (14) so that the bearing region of the bar assembly is less susceptible to attack. <IMAGE>
Patent GB-2237585-A (GB)
Title: A partition
Inventor: ANDERSEN FINN
IPC: E04B2/76
Filed: 1989-10-24
Abstract: A partition comprising substantially vertical bars for securing cover plates 2 by means of retaining rails 3, and substantially horizontal bars secured to the substantially vertical bars for supporting the cover plates between the securing points wherein the cover plates 2 are retained by means of clips 5 inserted into the cover plates 2 and surrounding a clip section 6 secured to substantially vertical bar 1 by means of the substantially U-shaped retaining rail 3, thus allowing the use of retaining rails without outwardly projecting flanges. Consequently the joints of the cover plate are less visible.   <IMAGE>
Patent GB-2233796-A (GB)
Title: Lighting circuit for high-pressure discharge lamp for vehicles
Inventor: ODA GOICHI
IPC: H05B41/38
Filed: 1990-06-01
Abstract: A lighting circuit for a discharge lamp (8) includes a DC voltage booster circuit (4), voltage detector (11', 12), current detector (13), and control circuit (10). The circuit (4) boosts the input DC voltage to provide an output voltage that is converted in a high frequency booster circuit (6) into an AC voltage for the lamp (8). The control circuit (10), the voltage detector (11', 12) and the current detector (13) constitute a feedback system for the booster circuit (4). Also, the lamp lighting circuit may include a timer circuit (122 Figure 4), which applies a signal corresponding to the output voltage of the booster circuit (4) to the output current detector (13) upon elapse of a period corresponding to a turn-off time of the lamp and causes the signal to be added to a signal corresponding to the output current of the DC voltage booster circuit to ensure transition to constant power control, wherein the result of the addition is made constant. <IMAGE>
Patent GB-2234098-A (GB)
Title: Disk drive/host computer interfacing
Inventor: URABE MASAYUKI
IPC: G06F11/10
Filed: 1990-07-19
Abstract: To enable magnetic disk apparatus which stores data with a given number of error correction code (ECC) bytes to exchange data with a host computer using fewer ECC bytes, control means in the apparatus is responsive to a read request from the computer to send to the computer the requested data plus a portion only of the ECC bytes read from the disk, Fig. 3. In response to a write request from the computer, the control means causes the data and associated ECC bytes from the computer to be stored, together with additional ECC bytes to make up the given number, Fig. 4c. The additional bytes are obtained, Fig. 4b, by a disk read operation. <IMAGE>
Patent GB-2236235-A (GB)
Title: Digital transmission system
Inventor: FRISCH DAVID ANTONY
IPC: H04L1/20
Filed: 1990-08-08
Abstract: A non re-timed digital transmission system comprises terminals (A and B) each of which includes a signal transmit means (1) and a signal receive means (2), and transmission bearers (3 and 4), each bearer (3, 4) having a plurality of spaced regenerators (R1 to R4, R5 to R8) to restore the original shape of a pulse signal transmitted from a signal transmit means (1). A method of locating faults in the system comprises providing a distinct diagnostic signal at each regenerator (R1 to R4, R5 to R8), modulating regenerated data with said diagnostic signal to produce pulse width modulation and recovering the so modulated signals in demodulation means at said signal receive means 2, the recovered signals indicating the status of the associated regeneration and bearer section adjacent thereto. Each regenerator can also perform a supervisory "loop-back" function switching a transmitted signal back to the transmitter when the signal is of a certain repetitive pattern at a predetermined frequency, see Fig. 6, (not shown). <IMAGE>
Patent GB-2248264-A (GB)
Title: Necklace catches
Inventor: HOUGHTON MICHAEL JOHN
IPC: A44C11/02
Filed: 1990-09-26
Abstract: A necklace comprising a string of substantially round decorative elements (17) such as pearls, has a catch comprising a two-part enclosure member (12, 13) adapted to enclose one of the decorative elements (17) the enclosure member having two pivotally connected cage members 12 and 13 openable to insert or remove a decorative element (17). A catch 19 is provided to hold a selective decorative elements in the enclosure member and thereby close the necklace at a selected length. A ring 15 is provided to attach the necklace catch to one end of the necklace. <IMAGE>
Patent GB-2256762-A (GB)
Title: Direct detection of fsk.
Inventor: EPWORTH RICHARD EDWARD
IPC: H04B10/556
Filed: 1991-06-14
Abstract: A method of controlling a laser in an FSK direct detection system employing an interferometer in series with the laser output, the method including the steps of sensing when the system output level reaches a predetermined threshold, and applying a feedforward step of predetermined amplitude of drive current to the laser. The step in the laser drive current causes a 2  pi  phase shift in the interferometer whenever the interferometer is near to running out of range. The feedforward step may be synchronised with a data bit transition. <IMAGE>
Patent GB-2259891-A (GB)
Title: Insert for automotive wheel
Inventor: NISHIDA NOBUO
IPC: B60B7/00
Filed: 1991-09-24
Abstract: A body 1, 1' is fitted in each of a plurality of through-holes 13 in the wheel disk 12 with screws or other releasable fixing means. The bodies may be separate (Fig. 1) or may be constituted by protrusions on a circular plate 21 (Fig. 10) attached to the rear side of the wheel disc. <IMAGE>
Patent GB-2250931-A (GB)
Title: Sonotrode with anti-cavitation layer
Inventor: HIELSCHER HARALD
IPC: A61B17/22
Filed: 1991-12-19
Abstract: A bar-shaped sonotrode 1 specifically for a disintegrator which dips into a liquid medium to be processed and which is coupled to an acoustic transducer connected with a high-frequency generator consists at least partially of a material containing titanium. The oscillating end is provided with an anti-cavitation layer 8 made of polycrystalline diamond applied to a metal base 7. As shown in Figure 1 dish 2 is screwed to bore hole 3 with a damping layer 5 of organic film/layer or ductile metal film. Other forms of sonotrode are described (see Figures 2, 3) utilising soldering and adhesive fastening of layer 8. Figure 4 shows the sonotrode 1 as an integral part of a disintegrator (15). <IMAGE>
Patent GB-2253165-A (GB)
Title: Method of and apparatus for electrostatically spray-coating work with paint
Inventor: KUBOTA TOSHIO
IPC: B05B15/02
Filed: 1992-02-17
Abstract: A method of and an apparatus for electrostatically spray-coating a work with electrically-conductive paint. The work is first sprayed with the paint directly subjected to a high voltage from a rotatable atomizing type spray gun so as to electrostatically coat the work with the paint. Then, cleaning liquid is supplied to a rotatable atomizing head through a line for washing after completion of the electrostatic spray coating process so as to clean the rotatable atomizing head. Further, after the rotatable atomizing head has been washed, the line is dried, and the next electrostatic spray coating process is carried out after the line has been dried. <IMAGE>
Patent GB-2255971-A (GB)
Title: Article handling apparatus
Inventor: EDWARDS JOHN DAVID
IPC: B65G1/04
Filed: 1992-03-25
Abstract: Apparatus for handling garments automatically in the dry-cleaning and laundry fields and which can deliver a garment or garments to a customer in response to an authorised requesting operation. The garments are hung on wire or similar hangers (6) as used in the dry-cleaning industry and each hanger carrying a garment is located on a rack (7) at a discrete identifiable storage location (8) from which it can be conveyed by conveying means (3) to a customer upon receipt of data associating the customer with that storage location. The rack (7) comprises an elongate structure having an open region defined by two spaced members or walls (7a) and including means e.g. notches, defining the discrete identifiable storage locations (8), such that the hanging loop of a wire garment hanger (6) can be located in any one of said storage locations with the upper part of said loop bridging said open region. Each hanger can be removed from its storage location by a pick up member (4) on the conveyor means (3) entering the open region and engaging directly under the hanging loop of the hanger (6) and lifting it up and away from said storage location (8). The conveyor means (3) then conveys the garment to a customer at a reception area.