baber/WOPTO huggingface dataset:
Patent GB-2026718-A (GB)
Title: Cabling Element for Optical Fibers
IPC: H01B11/00
Filed: 1979-07-05
Abstract: The invention relates to a cabling element for optical fibers. This element includes two ribbed strip members 3 which form longitudinal channels 2. Optical fibers 1 are loosely arranged within said channels 2. An optical fiber cable is obtained by piling up at least two cabling elements, the pile being embedded within a cladding 11. Reinforcing elongated members or wires 6 may be embedded within the cabling elements, which may be made of a thermoplastic polymer. The piled elements may in cross section form a sector of a circle (Fig. 4 not shown). <IMAGE>
Patent GB-2026254-A (GB)
Title: Surface ducting
IPC: H02G3/04
Filed: 1979-07-09
Abstract: Surface ducting (2) comprises a body portion (4) and a lid (6), the body portion (4) having first longitudinal channels (8) defined by longitudinally extending ribs (10) and a pair of second longitudinal channels (16) which are arranged one on each side of the first channels (8) and which are each defined by a side wall (18) of the body portion and one of the ribs (10), the first channels (8) being for receiving elongate members and the second channels (16) being narrower than the first channels (8) and being for receiving fixing means, and the lid (6) having retainer means (22) for clipping in the second channels. <IMAGE>
Patent GB-2034032-A (GB)
Title: Detection of a Specific Substance in a Bulk Fluid
IPC: G01N33/18
Filed: 1979-09-20
Abstract: The presence of a specific substance in a bulk fluid is detected by immersing directly in the bulk fluid a probe 1 comprising a tube 2 formed from a semi-permeable membrane through which ions or molecules of the specific substance can diffuse into the tube from the bulk fluid and pass through the tube to a collecting medium which removes them from the tube either unchanged or as a specific reaction product thereof, and testing the collecting medium which leaves the tube for the presence of the specific substance or the specific reaction product, in an example cyanide in sewage is detected by bubbling air through a solution of chloramine T in the tube 2 when the tube is immersed vertically in the sewage 27, and analysing the fluid leaving the tube 2 for the presence of cyanogen chloride by reacting the fluid with barbituric acid in pyridine and hydrochloric acid and measuring the resulting liquid colorimetrically. <IMAGE>
Patent GB-2038215-A (GB)
Title: Feed apparatus drive system
IPC: B65H18/10
Filed: 1979-12-21
Abstract: An intermittent wire or strip feed apparatus has a driving shaft (1) and a driven member (11), between which are two eccentric members (3 and 6) and a train of gear wheels (5, 14, 10'). The first eccentric member (3) rotates with the driving shaft (1) and has a parallel shaft (axis F). The second eccentric member (6) is rotatable about that shaft, and the driven member (11) is journalled on the member (6). The gear wheel train (5, 14 10') drives the second member (6) from the shaft (1). A gear wheel support (10) for the gear wheel (10') is mounted on the first eccentric member (3). An intermediate gear wheel support (118) may be provided for another gear (14) of the train. The orientation of member 10 changes little or not at all as connecting rod 11 reciprocates, whereby gear 14 rolls within gear 10' to drive gear 5 and rotate eccentric 6, thus adding a component of motion to rod 11 at e.g. three times drive shaft speed. The extent and angular disposition of the eccentricity Z of 6 or 3 may be adjusted by angularly positioning 5,6,7 by screws 6a, 7a. <IMAGE>
Patent GB-2043928-A (GB)
Title: Contact or Projection Printing
IPC: G03B27/58
Filed: 1980-02-15
Abstract: A photosensitive web is passed from light-tight housing 2 having pivoted cover 2c, over exposure baseplate 1 having light-tight pivoted cover 4, and into light-tight housing 3 having pivoted cover 3c wherein the web is passed through a width reducing section 6d and then wound on removable spool 6 between the turns of spiral flanges (6b and c, Fig. 2). Cover 4 (which has a white upper surface for focusing) must be lifted before covers 2c and 3c may be lifted. The web is attached to spool 6 by means of a clip (6b) and is wound on by means of handle 6g. The length of web wound on spool 6 is measured by odometer 9. <IMAGE>
Patent GB-2072488-A (GB)
Title: Safety harness for handicapped persons
IPC: A62B35/00
Filed: 1980-03-17
Abstract: This invention is a safety harness which comprises a body harness to which are attached shoulder straps 3, 3a and waist straps 3b, 3c, each incorporating a D-Ring, and a crotch strap 3d. The body harness which can be attached to the wearer prior to being seated, is secured to the person from behind, together with the crotch strap, making it tamper proof when seated. The seat is fitted with two seat belts with spring loaded hookes and adjusters. When seated the body harness is attached to the seat belts, thus securing the wearer. <IMAGE>
Patent GB-2050462-A (GB)
Title: Controlling Water Closets and Their Seats
IPC: E03D5/04
Filed: 1980-04-03
Abstract: The seat 3 and lid 4 of a water closet are counterbalanced by weights 16, 17 in auxiliary water tanks 7, the tanks 7 having inlets 20, 21 from the cistern 5, and drain outlet valves 22, 23. An electrical circuit, Fig. 7 (not shown) controlled by push buttons (8, 9, 11) seat switch (13) and timers (RT9, RT13) is arranged to actuate (a) the float-controlled inlet valve of the cistern 5, (b) the cistern flush discharge valve 12, and (c) the auxiliary tank drain valves 22, 23. The draining or filling of the auxiliary tank changes the effective counterbalance weight to cause the raising or lowering of the seat or lid, and the electrical circuit is adapted to cause automatic flushing of the water closet a short time after use. <IMAGE>
Patent GB-2050734-A (GB)
Title: Tuning selector arrangements
IPC: H03J1/06
Filed: 1980-05-19
Abstract: A presettable tuning system in particular for radio receivers, has a drum member 4 with potentiometer tuning members 5, 8, 9 mounted thereon; means for rotating stepwise the drum for putting in circuit each at a time the potentiometer tuning members upon actuation of a control member 10 (Figs. 3 a-c, 4 a,b) and means 23 for the presetting of said potentiometer tuning members for tuning with each of them a desired transmitting station. By pushing a key 10 (Figs. 3 a-c 4 a,b) a rack 10', gear 11 and ratchet 12 steps the drum to the next position. By pressing a knob 23 (Fig. 4 a,b) it moves outwardly and causes a conical gear 23' fastened to the knob 23 to engage with a conical gear 7 on a spindle 9 of a selected potentiometer 5, 8, 9 so that it can be adjusted to select the derived station. During tuning adjustment by knob 23 a lever 22 is urged by a spring 24 to prevent the key 10 from being pressed until the knob 23 is again pressed and returned at its inner position. <IMAGE>
Patent GB-2051601-A (GB)
Title: Fluidised bed
IPC: F23C10/00
Filed: 1980-05-29
Abstract: A fluidised bed apparatus for use in heat treating articles comprises a container (10) for containing a mass of refractory particles (14). The container has a porous base (12) and a supply pipe (13) for supplying a fluidising gas to the underside of the porous base from which said gas will flow through the porous base and into the mass of refractory particles. The fluidising gas flows through an adjustable control valve (8) arranged in said supply pipe (13). There are also provided at vertically spaced positions above the upper surface of the porous base (12) a pair of temperature transducers (T1 and T2) which are connected together to provide a signal which is dependent upon the difference in the temperatures at said vertically spaced positions, there being also provided power actuated means, e.g. an electric motor (9), which in use is arranged to receive the signal from the temperature tranducers (T1 and T2) and then actuate the adjustable valve (8) in accordance with the signal received. <IMAGE>
Patent GB-2071743-A (GB)
Title: Panelled structures
IPC: E06B3/74
Filed: 1980-09-30
Abstract: A door having panels (10) framed in members (11, 12, 13) has the fire- resistance at the thin edges of the panels (10) improved by the inclusion of an intumescent strip (19) around the periphery of each panel (10) with its opposite edges in respective slits (17 and 18) in the panels and frame members. Reference is also made to fire-retarding or low thermal conductivity material in the joints. <IMAGE>
Patent GB-2091002-A (GB)
Title: Annealing metal wires
IPC: C21D9/62
Filed: 1981-01-08
Abstract: In a continuous annealer the wire (1) passes over a pulley (3) to which is applied a voltage V and over a pulley (4) earthed via a fixed resistor (6). The resultant current in the wire heats it to the annealing temperature. A second fixed resistor (8) is in series with a variable resistor (7) set to produce a reference voltage. If the voltage drop across the two fixed resistors differs, an error signal is developed by a circuit connected to terminals (9 and 10) and used to change the level of power supplied to the annealer and thus stabilize the temperature of the wire. <IMAGE>
Patent GB-2074300-A (GB)
Title: Refrigerated Containers
IPC: B60P3/20
Filed: 1981-02-09
Abstract: A refrigeration apparatus comprising a container body (10, Fig. 2) and a reservoir assembly 12 for containing a cryogenic liquid and having means to discharge the cryogenic liquid in gaseous form into the container interior. A valve 25, a vaporiser 28 and a pressure regulator 27 are provided. The major portion of the reservoir assembly is contained within at least one wall 11 of the container. The discharge valve 25 communicates with a spray bar 15 which extends into the container interior. The reservoir assembly has a fill valve 13 and a vent valve 14 located externally of the container and a control panel is provided externally of the container to display prevailing temperature conditions within the container and quantity of cryogenic liquid in the reservoir assembly. A reservoir filling device is provided comprising a body or fill block having nozzles connectable to the fill valve and vent for supplying or removing cryogenic liquid to or from the reservoir. <IMAGE>
Patent GB-2095200-A (GB)
Title: Winch cable guide
IPC: B66D1/38
Filed: 1981-03-21
Abstract: A cable-guide for use with a winch drum has a rotatable shaft 6, carrying opposite sense screw threads 2, 3 and a jockey block with a thread follower adapted to shuttle between the ends of the shaft. The jockey block further carries at least one roller adapted to support a cable to be wound on the drum. <IMAGE>
Patent GB-2095332-A (GB)
Title: Fluid operated piston device
IPC: F15B11/024
Filed: 1981-03-23
Abstract: A fluid piston device in which a piston (22) is axially movable in a cylinder (12) to provide first and second chambers (28, 30) a piston rod extending through the second chamber (30). The piston is provided with through passages (44) which allow bi-directional flow of fluid so that the piston can move rapidly when under light load. As soon as a heavy load is encountered, increased pressure in the first chamber (28) will close a valve (52) to shut off passages (44) whereby the piston can operate under a heavy load. The valve is normally held open by a spring (76) but is closed when pressure in the first chamber (28), relative to a fixed, usually atmospheric pressure, becomes high enough to overcome the spring to close the valve. <IMAGE>
Patent GB-2073725-A (GB)
Title: A Method of Recovering Lead Values from Scrap Batteries
IPC: C22B13/00
Filed: 1981-04-08
Abstract: Lead is recovered from the paste fraction of scrap lead batteries as a solution of lead nitrate by a wet process which involves a preliminary desulphation of the paste fraction by treatment with a carbonate or hydroxide of an alkali metal or of ammonium. The solid phase of the reaction product is then treated with nitric acid, to convert into lead nitrate the lead present as metal, as lead monoxide and as lead dioxide, in the presence of hydrogen peroxide or of added lead.
Patent GB-2098142-A (GB)
Title: Vehicle suspension
IPC: B60G3/16
Filed: 1981-05-08
Abstract: A vehicle wheel 1 (seen in a plan view) is connected to the vehicle body by means of a cantilever leaf spring 4 and an upright telescopic damper (not shown). The spring 4 is approximately triangular and connects to the vehicle body at its wider end. Because of this, the spring locates the wheel against movement in a fore-and-aft as well as in a lateral direction, in addition to performing a function as a springing unit. The leaf spring may be of carbon fibre, glass composite material or steel. <IMAGE>
Patent GB-2088261-A (GB)
Title: A method of manufacturing a core of a mold
IPC: B22C15/23
Filed: 1981-08-26
Abstract: Molding sand containing a gas hardenable binder is introduced into a cavity in a core box (6) through a sand feed opening (6b) therein from a hopper (13) under the influence of negative pressure applied, for example, by a suction box (1) connected to a vacuum pump. The hopper is then removed and a hardening gas source (20) is connected to the cavity. The hardening gas is then caused to flow through and penetrate the molding sand in the cavity under the influence of a negative pressure applied, for example, by the suction box (1) so as to harden the molding sand. In one example air is evacuated from the cavity before opening a valve (10) to allow sand into the cavity and again before opening a valve (18) to allow hardening gas into the cavity. Preferably, a flexible film sheet (7) is used to seal the core box against leaks. <IMAGE>
Patent GB-2089739-A (GB)
Title: Dual wheel assembly
IPC: B60B11/02
Filed: 1981-12-03
Abstract: A dual wheel assembly for a tractor or a similar working machine comprises an outer auxiliary wheel (4) and an inner wheel (1), the rim (5) of the auxiliary wheel (4) being extended to form an axial flange provided with a locking wedge (6) arranged to cooperate with a wedge (7) on the rim (2) of the inner wheel to interlock the rims as a result of relative rotary motion of the rims around their common axis of rotation, means being provided to releasably secure the wedges in their locked position. The auxiliary rim (5) is made from a cylindrical blank. <IMAGE>
Patent GB-2091112-A (GB)
Title: Word forming card game
IPC: A63F9/20
Filed: 1982-01-11
Abstract: The game comprises a plurality of cards which are preferably rectangular. Each card carries part of words adjacent edge portions so that words can be formulated by arranging adjacent edge portions of respective cards side by side. The cards preferably have halves of words at the respective sides and ends. <IMAGE>
Patent GB-2119433-A (GB)
Title: Hinged panel structures
Inventor: ERLAM DAVID PAUL
IPC: E05G1/08
Filed: 1982-04-21
Abstract: A hinged panel structure comprises a frame for housing printed circuit boards, a panel 50 for closing at least part of the frame, and two spaced hinges for mounting the panel 50 on the frame. Each hinge comprises a first hinge element 30, that is fixable to the frame by inserting a lug 34 into a slot of a cross rail of the frame, and a second hinge element 32 that is pivotally engageable with the first hinge element 30 and fixable to the panel 50 by a leg 54 of the panel 50 fitting into a channel 58 in the second hinge element 32. The first hinge elements 30 can be fixed to the frame at positions which are spaced with respect to one another either vertically or horizontally, depending on whether the panel 50 is to be hinged about a vertical or a horizontal axis. The second hinge elements 32 are engageable with the first hinge elements 30 for relative pivotal movement about either a vertical or a horizontal axis, depending on whether the panel is to be hinged about a vertical or horizontal axis. <IMAGE>
Patent GB-2119859-A (GB)
Title: Exhaust mixer for bypass gas turbine aeroengine
Inventor: FARIBANKS ERNEST
IPC: F02K1/38
Filed: 1982-05-06
Abstract: The mixer 11 includes an outer mixing nozzle 23 for aiding mixing between the turbine exhaust stream 19 and a major bypass stream portion 17a, an inner mixing nozzle 25 for aiding mixing between the turbine exhaust stream and a minor bypass stream portion 17b, and air supply ducts 31 which take the minor bypass stream portion 17b from the bypass stream 17 at locations upstream of the outer mixing nozzle 23 and convey it to the interior of inner mixing nozzle 25. Amongst other advantages, the injection of bypass air 17b into the centre of turbine exhaust stream 19 reduces the velocity differential between the major bypass stream portion 17a and the turbine exhaust stream, so reducing noise generated during the mixing process. Air supply ducts 31 are conveniently fairings for struts acting to support the turbine 16 within the aeroengine. <IMAGE>
Patent GB-2107485-A (GB)
Title: Electrophotographic method and apparatus
Inventor: AOKI TAKAO
IPC: G03G13/26
Filed: 1982-08-26
Abstract: An electrophotographic method and apparatus is disclosed which is able to faithfully reproduce the half-tone portion of an original image on a photosensitive medium having an electroconductive layer, a photoconductive layer and an insulating surface layer. The present invention is directed particularly to improvements in the secondary charging step which includes subjecting the uniformly charged photosensitive medium to the action of corona discharge having the component of opposite polarity to that of the primary charge with simultaneous light image exposure, exposing the photosensitive medium surface to a light image to increase the surface potential on the photosensitive medium at the half-tone area and then exposing the photosensitive medium surface to a light image while subjecting the medium to corona discharge having the component of opposite polarity to that of the primary charge so as to reduce the surface potential of the half-tone area previously increased.
Patent GB-2115034-A (GB)
Title: Building erection system
Inventor: BLATCHFORD JOHN M A
IPC: E04B1/344
Filed: 1983-02-15
Abstract: In a building erection method wall slabs (1A, 1B) are placed flat on a truck; through pairs of spaced slots at each end (2A) of a roof slab (3) are passed spaced, elongate lifting plates (4); each plate is connected by a bar to the roof slab and projects down beyond the roof slab to be pivotally connected to one end of a wall slab (1A or 1B). The assembly of parts is then transported to a building site. A lifting cable is attached to the upper ends of the lifting plates (4) and as the assembly is lifted, the wall slabs (1A, 1B) pivot downwardly under the action of gravity, to hang vertically. The assembly of horizontal roof and spaced vertical walls can then be lowered onto a prepared site. <IMAGE>
Patent GB-2137898-A (GB)
Title: Pressure cookers and pressure vessels
Inventor: BRODIE SAMUEL MANLEY
IPC: A47J31/54
Filed: 1983-04-14
Abstract: A pressure vessel from which steam can be generated has a steam outlet 4 at an upper region 3 of the vessel, a valve 6 in communication with the steam outlet 4 and a discharge pipe 8 communicating with the valve 6 and extending downwardly from the upper region 3 of the vessel. The discharge pipe 8 is capable of insertion into a container placed around the pipe 8 such that steam from the pipe is discharged into contents within the container. The pressure vessel may for example be a domestic pressure cooker 10 modified by the addition of the above mentioned valve and discharge pipe. The valve may be controlled by, for example, a lever 7 or rotatable knob so as to either maintain pressure within the vessel 10 or allow steam to escape through the discharge pipe 8 and into the contents of the container. It can thus be used as, for example, a coffee maker. <IMAGE>
Patent GB-2138491-A (GB)
Title: Joint Structure
Inventor: BOTHWELL PETER WILLIAM
IPC: F16C11/10
Filed: 1983-04-23
Abstract: A first member (10) of a joint structure is held between parts (14, 15) of a second member which carries a screw-threaded collar (19) which can be used to tighten the parts of the second member onto the first member to restrain relative movement. When the parts 14 and 15 are released by the collar, the first member can pivot relative to the second member. In figures 2, 3 the first member is a ball. <IMAGE>
Patent GB-2122422-A (GB)
Title: Keyboard switch
Inventor: MATUMARU AKIHIKO
IPC: H01H13/702
Filed: 1983-04-29
Abstract: A keyboard switch has a flexible operating member (11), a switch sheet (13) having portions adapted to undergo a click action, a support (15), a spacer (12) and a plurality of pairs of cooperable contacts (14) on the operating member (11) and switch sheet (13). To facilitate and to ensure operation when a large operating region (17) is employed, the region covers a plurality of contact areas which are wired in parallel. <IMAGE>
Patent GB-2125758-A (GB)
Title: Extensible conveyor section
Inventor: POTTS ALAN
IPC: B65G19/28
Filed: 1983-08-22
Abstract: An extensible conveyor section includes first and second conveyor portions 11, 12 telescopically interconnected so as to be relatively movable to adjust the length of the conveyor section. Each portion includes an upper conveyor deck 20 and a lower conveyor deck 21 which have overlapping portions 20a so as to maintain continuity of the upper and lower conveyor decks when the conveyor section is extended. The upper deck of one of the conveyor portions is provided with a deck projection 20a which underlaps the upper deck 20 of the other conveyor portion 12. The deck projection is slidably received in the other conveyor portion. Motive means 16 are connected between the conveyor portions for moving the conveyor portions relative to one another. The section may form part of a scraper chain conveyor, in which case the chain tension may be adjusted by movement of the conveyor portions. <IMAGE>
Patent GB-2128147-A (GB)
Title: Agricultural tractor
Inventor: VAN DER LELY CORNELIS
IPC: B60K17/28
Filed: 1983-09-20
Abstract: A tractor has a power take-off shaft (22) which is drivable at a speed proportional to the speed of an engine (10) of the tractor, and another power take-off shaft (48) which is drivable at a speed proportional to the travel speed of the tractor. The tractor is equipped with lifting devices (61,76) and can be used as the prime mover in agricultural machinery comprising further implements in different combinations. One of the implements may be driven by the power take-off shaft (48) to provide traction assistance. The tractor may have four front wheels (33) and four rear wheels (47) which run in different tracks and carry low-pressure tyres. All the wheels may be of the same diameter in the range 900-1300 mm, the width of each wheel being about 400 mm and the overall width of the row of rear wheels (47) being about 3000 mm. The tractor may have a frame mainly comprising a hollow longitudinally- extending tube (2) about the axis of which the rear wheels (47) together with the carriers (45), beam 44 and tubes (40,41) are pivotable with respect to the front wheels (33). The tractor thus has low weight and low ground pressure. <IMAGE>
Patent GB-2148216-A (GB)
Title: Hydraulic jacking device with driven wheel
Inventor: JENKINSON ROBIN ARTHUR
IPC: B60S9/215
Filed: 1983-10-18
Abstract: The invention provides a novel hydraulic lifting apparatus comprising a hydraulic cylinder (2) and a piston (4) associated therewith, a drive casing (1) including a road wheel (5) said drive casing being co-operable with said cylinder and moveable thereby between an operative and an inoperative position. The drive casing incorporates a means of motive power, preferably an electric motor (11) which is adapted to drive the road wheel when in the operative position. Further the reversible electric motor (11) may also drive a hydraulic pump to provide the necessary motive power for the hydraulic unit (2). The hydraulic lifting apparatus may be utilised as a permanent feature of an automotive vehicle to assist manoeuvring in very limited spaces, or may be readily removeably affixed to heavy industrial machinery or similar items for steerable translation. <IMAGE>