baber/WOPTO huggingface dataset:
Patent GB-2016500-A (GB)
Title: Ethylene copolymer compositions and process for the preparation thereof
IPC: C08L91/00
Filed: 1979-02-21
Abstract: A process is described for preparing compositions comprising ethylene copolymers, such as ethylene-acrylate or ethylene-vinyl acetate copolymers, and compatible liquid hydrocarbons which act as inexpensive plasticizers or extenders, the process enabling large quantities of inert, e.g. inorganic fillers to be incorporated more simply than previously proposed processes. The hydrocarbon is compatible if it satisfies the test that there is no observable exudation of hydrocarbon from the copolymer when 50 g. of powdered copolymer are mixed with 20 - 110 g. of hydrocarbon in a metal dish which is first heated to 120 DEG C to fuse the copolymer, second cooled and held at a temperature of -20 DEG C. for 18 hours, and third warmed to room temperature. The compositions may be prepared either in the form of free-flowing powders or aqueous dispersions, both of which have advantages when used in described situations as hot melt adhesives or coating compositions, especially for carpet backing techniques.
Patent GB-2021249-A (GB)
Title: Heating apparatus
IPC: F24C3/04
Filed: 1979-04-09
Abstract: Heating apparatus comprises an infrared heater 1 (including e.g. a combustion chamber 3) having a forwardly directed radiating surface 2, and a fan 11 which is secured to an upper rear portion of the heater 1 and which has a forwardly directed outlet 13 of substantially the same width as the radiating surface 2. A motor 16 for driving the fan 11 is attached to one side of the fan. The fan acts to direct forwardly the hot air rising from the radiating surface 2 for the more uniform heating of the environment in front of the heater (e.g. when articles are being dried by the heater). <IMAGE>
Patent GB-2022484-A (GB)
Title: Regulating bearing pressure during welding strip to form tube
IPC: B23K26/08
Filed: 1979-04-12
Abstract: Compression distance which is the reduction in circumference which occurs from the moment when the weld edges make contact to the moment when the outer and inner burrs of the weld seam are pressed out in a cross-sectional plane, is measured using markings on the tube whose distance apart is measured before and after welding. The calculated compression distance is compared with a nominal value and, if necessary, a correcting signal applied to adjust welding rollers accordingly.
Patent GB-2027949-A (GB)
Title: Central heating systems
IPC: F24H9/20
Filed: 1979-06-18
Abstract: In a central heating system in which a heat transfer liquid is circulated (by a pump 13) in a piping circuit 11, 12 between a boiler 23 and heat dissipating appliances (not shown), the boiler has a cut-out 28, 29 sensitive to the temperature of liquid leaving the boiler and a delay device (31) is associated with the cut-out to prevent the boiler coming into operation again until a pre-set time has elapsed after the cut- out has operated. Rapid on-off cycling of the boiler, which is a relatively inefficient operating condition, is thus avoided. As shown the cut-out switch 28 is a change-over switch and the delay device is a thermal relay having its heating resistor 32 and normally closed contact 30 connected to the two output contacts of the switch 28. The pump 13 and a solenoid 26 of boiler fuel valve 25 are thus normally energised from supply 27 via 28 and 30. When sensor 29 detects an excessive liquid temperature, switch 25 opens the pump and solenoid circuit and instead energises resistor 32, which causes contact 30 to open. When the cut-out returns to its normal position, the thermal constant of the device 31 imposes a delay before the contact 30 recloses. <IMAGE>
Patent GB-2027699-A (GB)
Title: Substituted phenylurea
IPC: C07C239/00
Filed: 1979-07-23
Abstract: New herbicide N-trifluoromethyl-3 ethyl-4 phenyl N' N' dimethylurea is appropriate for use as active herbicide material. It is appropriate for selective weed-killing of crops (cereals, corn, cotton, soya bean).
Patent GB-2060407-A (GB)
Title: Guided missile game
IPC: G09B9/48
Filed: 1979-10-18
Abstract: A game has a motor 112 for moving two parallel belts 322, 324 bearing targets in opposite directions, the motor being additionally coupled to a mechanism which propels an illuminated projectile image 456 along a frame 350 towards the belts when a firing plunger is pressed. A manually-operated mechanism 44 steers the projectile laterally of the targets, by moving the frame 350, and a lamp operates with slots 336 in the belts for indicating when the projectile coincides with a target. A scoring mechanism depicts the number of times the projectile has coincided with a target, and a timer mechanism turns off the motor to stop further play. <IMAGE>
Patent GB-2045592-A (GB)
Title: Improvements in or relating to agricultural spraying apparatus
IPC: A01M7/00
Filed: 1980-03-28
Abstract: Agricultural spraying apparatus, for use in spraying treatment liquids between spaced parallel rows of growing crops, includes an assembly having means for connecting it to a vehicle for travel between two parallel rows of crops and comprising two spaced liquid-impervious panels 11, arranged in an inverted V-shape and having lower edges which, in use, travel closely parallel to, or in contact with, the ground, and a spray nozzle 21 for directing a spray of treatment liquid between the panels, each panel having a leading edge which is inclined upwardly and rearwardly with respect to the forward direction of travel of the assembly. The leading edges may be formed with rearwardly and inwardly projecting guide flaps 24, and may be adjustable towards and away from one another. <IMAGE>
Patent GB-2055437-A (GB)
Title: Devices for disengaging clutches
IPC: F16D23/12
Filed: 1980-07-28
Abstract: A disengaging device for a vehicle clutch comprises a release bearing 1 carried by a sleeve 2 slidable on a guide tube 4 fixed to a gearbox. A pressed sheet-metal actuating lever 3 has an arm 5 on each side of the sleeve 2 with gaps 8 between these arms and flats 6 formed on the sleeve 2 to prevent its rotation. To take up the play arising from the gaps 8, while accommodating manufacturing tolerances for the lever 3, a leaf spring 9 with arms 10 is mounted in each gap 8. <IMAGE>
Patent GB-2057077-A (GB)
Title: Braking means for a trailer
IPC: B60T7/20
Filed: 1980-08-04
Abstract: A disc brake for a trailer does not cause braking to occur when the trailer is reversed; one or both brake pads 3, 4 are movable in a peripheral direction and is/are provided with suitable face(s) inclined with respect to the direction of travel providing that the inclination of the support face(s) is/are oriented in such a manner that the friction between the disc 2 and the brake pad(s), during reverse rotation (dashed line arrow) of the disc causes the support face(s) to give way to such an extent beneath support element(s) 8, (9) that the pressure applied and intended for braking is dissipated without braking occuring. As shown, inclined surfaces are provided on wedge elements 13, 14 mounted on pads 3, 4 the support elements 8, 9 are U-shaped. In reverse rotation pads 3, 4 move against springs 16. To intensify braking in forwards drive the brake pad 3 is arranged to move from its initial position against spring 17. <IMAGE>
Patent GB-2062094-A (GB)
Title: An Internal Combustion Engine with Selective Fuel Cut-off to Half the Cylinders
IPC: F02B75/18
Filed: 1980-08-22
Abstract: The engine pistons (4,4a; 6, 6a; 8, 8a; 10, 10a) operating in cylinder bores (12, 12a; 14, 14a; 16, 16a; 18, 18a) are connected in pairs to one or more crank shafts (26) so that at any one instant both pistons in each pair are at the same relative position in their cylinder bores, and fuel control means are operable (44) to reduce or stop the supply of fuel to one predetermined cylinder bore in each pair of cylinder bores. One of the cylinder bores in each pair may be smaller than the other. <IMAGE>
Patent GB-2064719-A (GB)
Title: Crankshaft with symmetrical crank-throws
IPC: F16C3/06
Filed: 1980-11-27
Abstract: In order to minimize stresses in the crank-throws there is a fixed relationship for the fillet radii rP of the crank-pin (2) and rG of the journal (1) to the crank web thickness W as represented by a function f of the magnitude rP, rG and w. This function is proportional to the stress at the fillet radius of the crank-pin (2). The ratio of pin/journal overlap s to the crank pin diameter dP is equal to or greater than 0.15 and less than or equal to 0.26 (0.15</=s/dP = 0.26). <IMAGE>
Patent GB-2065931-A (GB)
Title: Process and device for dispersing flammable gases into the atmosphere
IPC: F17C13/12
Filed: 1980-12-05
Abstract: A process and device for dispersing waste gas in the form of mixtures of controlled composition. This process comprises ejecting the gas through at least one nozzle at a pressure above blast pressure and below the stable ignition pressure in the presence of a flame, these blast and ignition pressures being specified in relation to the area of the nozzle opening. The device employing this process may comprise a number of diverging nozzles, the area S of the opening of which corresponds to a diameter d= 2ROOT 4S/ pi , with a minimum angle alpha  between the axes of adjoining nozzles, and a distance D between each nozzle opening, the device being characterized by the fact that D/d>/=80 and  alpha >/=20 DEG .
Patent GB-2066923-A (GB)
Title: Suspension strut and damper assemblies
IPC: B60G13/06
Filed: 1980-12-22
Abstract: A suspension strut and damper assembly in which a cylinder tube 18 of the hydraulic damper carries a base valve 22 which has arcuately spaced foot pads 30 on the lower surface thereof that seat within the confines of a base cup 16 in a manner such as to limit movement of the cylinder tube relative to the base cup and a reservoir tube 12 extending upwardly therefrom. <IMAGE>
Patent GB-2093572-A (GB)
Title: Sea rocket
IPC: B63B1/36
Filed: 1981-02-24
Abstract: My "sea rocket" is simply a rocket adapted to motion on surface of water instead of being shot into air or space. It consists of the rockets fuel for firing it into motion, a space allocated for cargo which can be anything from precious stones, money, or a warhead it may carry, a capsule in which it is encased in order to be able to keep afloat, stabilisers to keep it in the direction dictated by radio-controlled steering and wheels to be able to roll on water when the speed of the whole craft reaches the point of moving on top of waves. Firing of the rocket can be made from land, platform ship or water, the design of which will depend on the size, type and purpose of the rocket. <IMAGE>
Patent GB-2100992-A (GB)
Title: Golf club
Inventor: BULL REGINALD CHARLES
IPC: A63B53/04
Filed: 1981-04-15
Abstract: A golf putter head comprises a moulded block 1 of a high density rubber compound which is of part frusto-conical shape providing a flat front striking face 2, which is perpendicular to a flat base, and a part-conical rear face 6. A blind mounting bore 3 moulded in a flat top face is appropriately inclined and provides an interference fit for a shaft of the putter. The bore 3 is surrounded by a sleeve-like upstanding boss 4 which surrounds and grips the lower end of the shaft 5. A "wood" may also be made from the high density rubber compound. <IMAGE>
Patent GB-2077832-A (GB)
Title: Mine roof support with advancing mechanism
IPC: E21D23/08
Filed: 1981-06-05
Abstract: This invention covers a roof support that slides on skids 1 and can be drawn forwardly by a ram 16. The connection of the ram 16 to the roof support is by means of a lever 10, pivotally connected by its front end to the roof support and sloping downwardly to its trailing end that rests on the mine floor. Actuation of the ram 16 will tend, through the effect of the lever, to raise the front end of the support to facilitate its negotiation of bumps on the mine floor. <IMAGE>
Patent GB-2080259-A (GB)
Title: Discharge apparatus for the silo discharge of bulk material
IPC: B65G65/48
Filed: 1981-07-21
Abstract: Discharge apparatus for discharging bulk material from silos comprises: a drum (1) adapted for mounting on a silo for receiving material from the silo, the drum (1) having at least one orifice with a releasable cover (19) which allows access into the interior of the drum for cleaning purposes;  an impeller (3) mounted for rotation inside the drum;  an outflow (12) connected to the drum; a closing device (32, 35) for the leakproof closure of the releasable cover (19); and a securing device for locking the releasable cover in its closed position during rotation of the impeller, which can be achieved by the securing device being actuated during operation of the motor for the impeller. Advantageously, the outflow (12) may be likewise arranged on the drum (1) so that it can be swung out, and can be closed in a leakproof manner by means of a closing device (51, 53) and can be locked by means of a securing device during operation of the motor. <IMAGE>
Patent GB-2085357-A (GB)
Title: Laminated block and method of manufacturing parquet boards or squares by means of such blocks
IPC: E04F15/04
Filed: 1981-08-25
Abstract: A flooring block with a body (10) and a thin wearing layer (14) secured thereto. The body has, on its opposite sides, layers (28, 29) of a Brinell surface hardness in excess of about 5 kg/mm<2>. The body layers may consist of, for example, metal foil or melamine paper which is glued to one or more layers of fibre or chip board. The wearing layer is suitably of a thickness of form 0.4 to 0.7 mm. The thus constructed body (10, 11) provided with hard layers effectively prevents deformation of the thin wearing layer (14) on point loading, and thus is highly dimensionally stable. Parquet boards or squares are produced by the edge surfaces of such blocks being provided with tongues or grooves. <IMAGE>
Patent GB-2085379-A (GB)
Title: Driving mechanism for bicycle and the like devices
IPC: B62M1/24
Filed: 1981-08-28
Abstract: A driving mechanism for a bicycle, for example, using a conventional chain drive comprises an arcuate body 1 pivoted for oscillating movement on a base 8 connected to the bicycle frame. A foot rest 5 is attached or integral with the body. A connecting rod 6 connects one end of the arcuate body to the crank 9 of a chain wheel 10 of the bicycle to convert oscillatory motion of the body into rotation of the chain wheel to drive the bicycle. The arcuate body can be oscillated by a rider without bending of the knee. <IMAGE>
Patent GB-813575-A (GB)
Abstract: 813,575. Variable resistors. CHICAGO TELEPHONE SUPPLY CORPORATION. Dec. 12, 1955 [June 27, 1955], No. 35617/55. Class 37. [Also in Group XXV] A variable resistor is provided with means for securing it to a panel comprising a plate 13, Fig. 2, which is attached to the front surface of the resistor by means of tabs 12 integral with the metal casing 11 and has bent-up ears 24 the outer end portions of which are bent inwardly to cause tabs 25 which are cut out from the ears 24 to project radially outwards so that when the ears are pushed through slots in a panel 6, Fig. 1, the inner ends of the tabs engage the surface of the panel remote from the resistor and secure the resistor thereto. The plate 13 is also provided with spring fingers 28 which engage the inner surtace of the panel 6 and with feet or abutments 29 which normally are not in contact with the panel but are sufficiently close thereto to prevent substantial rocking or tilting when side thrusts are applied to the shaft 9. In alternative embodiments of the invention modified arrangements of the spring fingers and abutments are described. The resistor illustrated in Fig. 1 comprises a resistance element 15 and a collector ring 17 over which move contacts attached to a disc 18 secured to the shaft 9 between a shoulder 19 and a thrust member 20 held to the shaft by swaged-over portions 21, the member 20 comprising a plurality of turned-down portions 22 riding on a smooth bearing surface 23.
Patent GB-2092694-A (GB)
Title: Preventing solder entering screw threads
IPC: H05K3/40
Filed: 1981-12-21
Abstract: A removable plug (20) or coating is placed within an internally threaded opening of a fastener (10) for a printed circuit board (12) and in contact with the threads (13) to prevent solder from wicking into said threads (13) when solder is subsequently applied to other points on the printed circuit board (12). The plug may be of a water-soluble polymer so that it can be removed by immersing the completed board in water. <IMAGE>
Patent GB-2096772-A (GB)
Title: Oxygen gas analyzer using solid electrolyte
IPC: G01N27/407
Filed: 1982-03-05
Abstract: An oxygen meter for measuring the oxygen concentration in a gas, comprises a hollow probe 37 having at or adjacent one end a partition wall 46 supporting a closed and solid electrolyte tube 41. Connection from electrodes of the closed end of the tube run internally to the open end of the tube externally to a contact secured to but insulated from probe 37. Gas to be measured contacts the inside of the solid electrolyte tube and reference air the outside. A tube 44 with "U" shaped end 446 may be used to supply a reference concentration for calibration, a cleaning gas, or, by connection to suction, to improve flow of gas to be measured over the sensor. <IMAGE>
Patent GB-2117824-A (GB)
Title: Support equipment
Inventor: AKERS ANTHONY JOHN
IPC: F16C11/10
Filed: 1982-03-24
Abstract: Support equipment, for example for supporting a visual display unit, comprises a base (1) which has a part- spherical surface for receiving a table (8). The base has a circular groove (3) for receiving rotational stopping portions (23) of a carriage (17). The carriage (17) has rollers (18) which engage with teeth (10) formed on the table (8), and is attached to the base (1) in a spring-loaded manner, so that when the table (8) has been tilted, it remains in a tilted position under the action of preloaded disc springs (25). <IMAGE>
Patent GB-2111729-A (GB)
Title: Interactive game watch
Inventor: LUCE NUNZIO ANTHONY
IPC: G04G99/00
Filed: 1982-03-26
Abstract: A digital electronic watch is disclosed which provides both a time function and a game function. The watch includes a plurality of liquid crystal layers (12, 38), at least one of which (38) is dedicated exclusively to the game function. The liquid crystal layers (12, 38) are normally transparent and are arranged one on top of the other. The liquid crystal layers (12, 38) may be selectively activated to display either the time characters or the game characters. <IMAGE>
Patent GB-2105068-A (GB)
Title: System for automatically controlling the angle of elevation of a howitzer
Inventor: ALIBONI PAOLO
IPC: F41A27/26
Filed: 1982-08-02
Abstract: To elevate an artillery piece from a reference position to a firing position and vice versa, a set of sensors (13, 14, 15) senses the position and the velocity of elevation of the weapon barrel as well as the stress transferred by the hydraulic actuator (12) to the weapon barrel and the signals so generated are compared in a processing unit (20) with trajectory characteristics previously preset in a storage unit (21) so that said processing unit adjusts the control of the actuator (12) and feeds pressurized hydraulic fluid thereto to conform the position of the weapon to the preset firing data. <IMAGE>
Patent GB-2125553-A (GB)
Title: Multi-purpose sensor/detector for fluid
Inventor: JEZIERSKI EUGENIUSZ CZESLAW JA
IPC: G01F1/32
Filed: 1982-08-10
Abstract: A multi-purpose capacitive sensor/detector comprises a dielectric tube 1 on the outside of which are provided substantially semi- circumferential electrode coatings 2, 3 which form the plates of a capacitor. The value of capacitance is dependent on fluid characteristics within the tube. The sensor/detector may be arranged in different configurations to defect fluid pollution, fluid level, fluid flow, fluid pressure etc. The capacitor is connected as part of a tuned circuit of a stable oscillator the frequency of which varies according to the fluid parameter being measured. Instead of the coatings forming a capacitor they may form an inductor. <IMAGE>
Patent GB-2106972-A (GB)
Title: Intumescent seals for doors, windows and the like
Inventor: DIXON BERNARD
IPC: E06B5/16
Filed: 1982-08-20
Abstract: A seal (1) for a door, window or the like, comprises an elongate holder (2) having a first longitudinal channel (3) containing intumescent material (7) and a second longitudinal channel (5) retaining a draught-sealing member (8), the intumescent material intumescing from the channel through an opening (4) when subjected to fire conditions, to provide a seal against hot smoke and hot combustion gases, the opening of the first channel being positioned relative to the resilient external part 11 of the draught-sealing member such that in the event of a fire on that side, the material which intumesces from the first channel protects the part 11 from the direct heat of the fire. <IMAGE>
Patent GB-2110091-A (GB)
Title: Parasiticidal compositions
Inventor: EVANS DAVID ALWYN CHARLES
IPC: A01N25/02
Filed: 1982-11-26
Abstract: A composition for topical application to animals to control endoparasites and ectoparasites comprising a mixture of cyhalothrin with levamisole or tetramisole free base in a carrier comprising particular combinations of an alcohol solvent with an ester co-solvent.
Patent GB-2111691-A (GB)
Title: Apparatus for determining the power available from a solar generator
Inventor: PICMAUS ERNST
IPC: G01R21/02
Filed: 1982-12-02
Abstract: To enable the power, which is dependent upon the isolation at any time, to be determined directly, an apparatus is proposed which is provided with means for so loading the solar generator during a measurement e.g. to the left of load line R that the solar generator operates on a working point at which the generator voltage is less than the voltage at the working point for maximum power MPP, and a measuring system for measuring the current flowing during loading. <IMAGE>
Patent GB-2124527-A (GB)
Title: Cavity former for use in the production of a metal casting mould having a riser
Inventor: TRINKL GERD
IPC: B22C9/02
Filed: 1983-01-27
Abstract: The former (5) has one or more recesses (6) extending between the top and towards the bottom and a negative taper from bottom to top. The recesses (6) from ribs from the moulding sand which grip the outer surface of a riser sleeve inserted into a cavity made by the former. The former may also have a raised rim (7) and an annular depression (7a) within the rim (7) adjoining a surface (8) which lies above the level of the annular depression (7a). <IMAGE>
Patent GB-2114262-A (GB)
Title: Chain link for safety chain
Inventor: BELLOTTO FRANCO
IPC: F16G15/12
Filed: 1983-02-01
Abstract: A link for a safety chain for example to secure a bicycle against theft, is made from a material having a rectilinear cross-section (F) e.g. in the form of a trapezium having longer and shorter sides (5,4) respectively at the inner and outer peripheries of the link. Alternatively the cross-section may be square or rectangular. Where the ends of the material used to form a link are welded together, a bead (6) is formed of angled section to keep a cutting tool away from the weld. The length of the opening in each link is less than 3 times the width (B) of the cross-section. There is strong resistance against cutting by shears, and against insertion of a lever. <IMAGE>