baber/WOPTO huggingface dataset:
Patent GB-2041150-A (GB)
Title: Elastic ring expanders
IPC: B25B27/00
Filed: 1979-01-30
Abstract: The invention relates to a hand held pneumatically powered tool for expanding elastic rings. The expander includes four prongs 13, 14 which in use are passed through a ring and forced apart by a pneumatic ram 17 to stretch the ring into a square. By a reverse cam action in which rollers 9 engage two jaws (4) a pneumatic ram (17) opens the jaws (4) which each carry one prong (13). The second pair of prongs (14) are carried by two pivotally mounted arms (11) and are arranged to open and close with the jaws. The arms (11) are directly coupled to the ram so that when it acts to open the jaws it also slides the arms longitudinally along the jaws so that the arm prongs (14) are forced longitudinally apart from the corresponding jaw prongs (13). When a double acting pneumatic arm is used a tool mounted two- section two-way rocker valve directs compressed air to the appropriate side of the ram piston and allows air to be exhausted from the opposite side. <IMAGE>
Patent GB-2031833-A (GB)
Title: Device for holding a number of containers
IPC: D04H3/045
Filed: 1979-03-13
Abstract: The plastics material device 6 has a plurality of generally quadrilateral openings 8 for receiving and gripping the containers 9, the openings 8 having their sides formed by strips 5, 10, each of the strips 5 of two opposite, corresponding sides of each opening being orientated along their length, the strips 10 of the remaining two opposite sides not being substantially orientated. The strips 5, at least, have substantial elasticity. The device may be made by forming holes or depressions in a plastics web and then stretching the web longitudinally to orientate just the strips 5 and to form the holes or depressions into the openings 8. <IMAGE>
Patent GB-2045287-A (GB)
Title: Method and Device for Removal of Single Yarn in Double Rove Ring Spinning
IPC: D01H13/12
Filed: 1979-03-21
Abstract: A method for preventing the production of defective doubled yarn by a spinning frame comprises feeding constituent rovings after convergence from drafting rollers (1) through a gap between a pair of opposite facing sets (9) of comb teeth and thence through a lappet guide (2) whereby in the event of breakage of one roving a resulting change in the direction of feed of the yarn towards the lappet guide (2) causes the yarn or a single roving to be impaled upon or trapped by the teeth of one or other of the sets. A device in association with a ring spinning frame for the performance of this method and comprised of components as above identified by numbers is also protected. <IMAGE>
Patent GB-2015313-A (GB)
Title: Plant cultivation
IPC: A01G31/02
Filed: 1979-04-04
Abstract: An apparatus for soil-less plant cultivation comprises a gully (14) for receiving seeds or plants, supported on a tank for nutrient solution (20), means (18) for transferring nutrient solution from the tank to the gully and means (28) whereby nutrient solution can return to the tank, wherein said apparatus is constructed from materials which are non-toxic to seeds or plants. <IMAGE>
Patent GB-2049731-A (GB)
Title: Refining process for removing acid oxide-forming elements from high-Ni and/or high-Co alloy steel
IPC: C21C7/04
Filed: 1979-05-19
Abstract: The molten steel is subjected to oxidation melting and refining to form a peroxidized molten steel, part of said acid oxide-forming elements being converted into acid oxides and part of said acid oxides being removed in the form of slag. There is then blown into said peroxidized molten steel a mixed slag-forming agent to form a basic slag so that the remaining part of said acid oxide-forming elements is substantially completely converted into acid oxides which are absorbed into the slag and simultaneously removed. The slag-forming agent is a granule or powder mixture of a carbonate, particularly of an alkali or alkaline earth metal, and glass, and the resultant slag has-basicity of at least 1.5.
Patent GB-2039247-A (GB)
Title: Injection moulding apparatus
IPC: B29C45/32
Filed: 1979-10-10
Abstract: This invention relates to injection molding apparatus in which flow control valve units operate to control the flow of pressurized melt from a stationary platen 52 adjacent the molding machine to a manifold 65 in a center moving platen 56 from which the melt flows to cavities 60. One control valve unit 50 is located in the stationary platen in alignment with another control valve unit 54 located in the moving platen. When the moving platen is in the closed position adjacent the stationary platen, the gates of the two control valve units abut and when the valve pins 24 of the two control valve units are actuated to the open position, pressurized melt will flow through the gates from the stationary platen 52 to the moving platen 56. <IMAGE>
Patent GB-2034606-A (GB)
Title: Apparatus for washing and then separating discrete material into finer and coarser fractions
IPC: B03B7/00
Filed: 1979-10-26
Abstract: An apparatus for washing and then separating discrete material, e.g. sand, gravel and stone, into finer and coarser fractions comprises a frame 10 carrying an upwardly inclined endless conveyor belt 12 for conveying material to be separated. A washing drum 14 is mounted for rotation at the upper end of the conveyor and has an open end to receive the material to be separated. A water feed device operates to direct water into the open end of the drum. A screen box 17, having a vibrating screen, is pivotally mounted to the frame under the drum 14 and a telescopic arm 18 enables the angle of inclination of the screen to be adjusted. Washed material falls from the drum 14 on to the screen box 17, where finer particles pass through the screen, and after dewatering, form a pile under the screen box. Coarser particles slide down the screen and form a separate pile on the ground. <IMAGE>
Patent GB-2039582-A (GB)
Title: Beam with pretensioned member
IPC: E04C3/18
Filed: 1979-11-19
Abstract: A beam arrangement comprises a beam 1, and an elongate, flexible pretensioned member 3 carried by the beam 1. The member 3 is so arranged that when the beam 1 bends under load, increased tension is produced in at least a part of the member 3. Struts 2 may be provided, and the beam may be prestressed in bending. A member 4 and struts 5 may be provided to protect member 3. The beam may be of wood and member 3 may be e.g. steel strip. <IMAGE>
Patent GB-2041980-A (GB)
Title: Vacuum type breaker contact material
IPC: H01H1/02
Filed: 1979-12-06
Abstract: This invention provides a vacuum type breaker contact material prepared by infiltrating copper into a sintered tungsten matrix, wherein elementary particle size and the growth of the particle size by heat processing are controlled in such a manner that the ratio of the largest value/the smallest value of tungsten particle size becomes not more than 10, and that the maximum value of tungsten particle size is not larger than 2  mu m and the minimum value of tungsten particle size is not smaller than 0.3  mu m.
Patent GB-2043795-A (GB)
Title: Positive-displacement Fluid- machines
IPC: F04B43/107
Filed: 1979-12-18
Abstract: A machine that may be used as a pump, a motor, or a vibrator for concrete includes at least three annular diaphragms 42A-E which are disposed along the axis of a fixed casing 12, chambers 42A-E being fed with hydraulic fluid under pressure so as to expand the diaphragms in a sequence and thus cause displacement of an external fluid by axially of the casing from an inlet 14 to an outlet 18. The chambers 43A- E may be fed with hydraulic fluid by respective reciprocating-pistons 114, which are driven by a swash plate (124), Fig. 10 (not shown), a common annular reservoir 88 for said fluid being situated between the pistons and the chambers. <IMAGE>
Patent GB-2040150-A (GB)
Title: Sonic-actinic cleaning and sterilising of instruments
IPC: B01J19/08
Filed: 1980-01-17
Abstract: A source of actinic radiation, e.g. a UV lamp 4, is positioned to irradiate cleaning liquid 8 in a metal tank 1 (e.g. being mounted inside a tank lid 2 which is shaped as a reflector). There may be a thermostatted heater 13 for the tank. A piezoelectric transducer 10, 11, 12 agitates the liquid 8 ultrasonically. The liquid may be circulated through loop 14 by pump 17, causing macroscopic agitation and allowing liquid and/or entrained waste to be discharged through tap 18. Ambient air may be blown through an aperture 5 in the lid 2, sterilised by radiation, and serve to dry the cleaned articles 9 after discharge of the liquid 8. Operation of pump 17, heater 13, lamp 4 etc may be controlled by an automatic programmer 26. The micro- and macroscopic agitation causes contaminants such as bacteria to be dislodged from all parts of the articles, dispersed in the bulk of the liquid, and neutralised by irradiation before agitation ceases. <IMAGE>
Patent GB-2047793-A (GB)
Title: Dispensing device for dispensing a vapourisable fuel/oil mixture
IPC: G07F13/02
Filed: 1980-03-07
Abstract: Two-stroke mixture dispensing devices are described having a dispensing pump P operated by a pneumatic cylinder DZ1. Actuation takes place via e.g. a coin-release and a limit switch (H1). If a float V drops too low in a mixture container VB, a coin slot lock may be operated, e.g. via a pneumatic cylinder DZ2. A pneumatic limit switch E and changeover valve W ensure automatic metering and dispensing on insertion of a coin. <IMAGE>
Patent GB-2062196-A (GB)
Title: Boiler structure, particularly for domestic heating systems
IPC: F24H1/34
Filed: 1980-05-13
Abstract: A boiler 1 for domestic heating systems comprises, above a furnace, a substantially vertical axis vessel 2 for a thermal exchange fluid, which vessel is partially surrounded by a plurality of tubes 12 extending substantially parallel to the axis thereof and connected in parallel thereto. The tubes 12 are arranged in a hollow space 7 defined in cooperation with an insulating outer shroud 5. Concentric interconnected vessels may be used to form an annular flue in which the tubes are disposed. The tubes may be extended under the vessel to form a combustion space. <IMAGE>
Patent GB-2050953-A (GB)
Title: Compass with a detachable leg
IPC: B43L9/14
Filed: 1980-05-22
Abstract: One of the arms (1) of a compass is provided at its lower end with a pair of mutually parallel lugs (6a, 6b) extending in the compass plane and having a tapered passageway (11) therethrough. The passageway, which also includes the lower region of the compass arm (1), is transverse to the compass plane and receives therein a frusto- conical connector piece (7) which has a socket hole (13) extending therethrough transversely to a longitudinal axis of the connector piece (7). A slot (14) extends from a larger end face (12a) of the body (12) of the connector piece (7), in the direction of the longitudinal axis thereof, diametrically through the socket hole to terminate short of a smaller end face (12b) of body (12). Inside the socket hole (13) are studs (15a, 15b) which project, in use, into a slot in a peg (4) at a top end of a detachable compass leg (5). A threaded pin (8) of the connector piece extends beyond said smaller end face (12b) to receive a nut (10), tightening of which causes the connector piece to be drawn more tightly into the passageway (11) thus drawing the sides of the slot (14) more closely together so as tightly to clamp the peg (4) in the hole (13). <IMAGE>
Patent GB-2066590-A (GB)
Title: Test pin
IPC: G01R31/02
Filed: 1980-11-03
Abstract: A test pin (10) has a spring- loaded plunger (24) which is offset to one side to ensure electrical contact between it and a conductive housing (18). The means for providing the offset may comprise an upper portion (30) of a spring (28) bent to one side. <IMAGE>
Patent GB-2075765-A (GB)
Title: Contact retention assembly
IPC: H01R13/426
Filed: 1981-03-31
Abstract: A contact retention assembly for an electrical connector, in which the contact clip 28 is an inner tubular member 30 with contact retention tines 36 and an outer sleeve 32 surrounding the inner member. After the clip is inserted into a contact passage in the connector insulator, a tapered probe is pushed into the rear of the clip to cause the rear end portion 40 of the outer sleeve to flare outwardly and become embedded in the wall of the passage. The inner member 30 is provided with a shoulder 33. <IMAGE>
Patent GB-2076470-A (GB)
Title: Pressure intensifier system
IPC: F15B3/00
Filed: 1981-05-13
Abstract: A pressure intensifier unit comprising three cylinder units in coaxial alignment, a piston rod 9 being coupled to the pistons 6 and 10 of two units and forming the piston of the third unit, the piston 6 being operable by an external fluid pressure source to produce a working stroke, the cylinders of the second and third units, at the start of a working stroke, being in open working fluid communication with the piston of the third unit removed from the third unit, said piston of the third unit when advance a predetermined distance by the working stroke closing off the communication, the piston of the second unit allowing a predetermined flow of fluid from one side of the piston to the other and fluid pressure take-off means 20 or 16-18 communicating with the third cylinder. <IMAGE>
Patent GB-2077162-A (GB)
Title: Milling cutter
IPC: B23C5/22
Filed: 1981-05-28
Abstract: A milling cutter, has cutter blades 3 located in slots 2 in the cutter body. The cutter blades are secured in the slots by locking wedges 5 each blade is supported in its slot by a cylindrical member 7 located in the slot such that its cylindrical surface is in contact with the bottom of the slot, and so oriented that the longitudinal axis of the cylindrical member coincides with the plane of the cutter blade. The cutter blade contacts the cylindrical member along a line diametrically opposite its line of contact with the bottom of the slot. A screw 9 releasably secures the cylindrical member to the body to allow rotation or removal of the cylindrical member. <IMAGE>
Patent GB-2077711-A (GB)
Title: Preparation of ammonium polyphosphate
IPC: C01B25/40
Filed: 1981-06-01
Abstract: For preparing ammonium polyphosphate from gaseous ammonia and phosphoric acid, there is used a columnar reactor having a small cylindrical chamber (1), a bottleneck section (4), and a second cylindrical chamber (6) which is terminated by a discharge nozzle (7), a substantial portion of the reactor extending into a liquid bath (8). Part of the ammonia is fed to the reactor either to the top of the column via a bore (2) or laterally thereof via a bore (3) depending upon whether the ammonia is introduced simultaneously with the phosphoric acid or separately therefrom, and the remainder of the ammonia is fed to the reactor via a bore (5). Pressures of from 1.3 to 6 atmospheres are specified and temperatures in the neighbourhood of 300 DEG C are preferred. <IMAGE>
Patent GB-2079526-A (GB)
Title: Negative glow discharge laser
IPC: H01S3/22
Filed: 1981-06-26
Abstract: A compact negative glow discharge helium-cadmium laser emits a laser beam having dual been lines of 5337 ANGSTROM  and 5378 ANGSTROM  at 30 Torr and approximately 1 mw of power. The laser is approximately 5 cm active length. The laser operates by charge transfer collisions between molecular helium ions and neutral cadmium atoms and has a central hollow cathode with a cylindrical anode spaced from each end of the cathode.
Patent GB-2103481-A (GB)
Title: A fire protection sprinkler head
Inventor: MEARS JAMES W
IPC: B05B1/26
Filed: 1981-07-16
Abstract: A horizontal-sidewall, fire-protection sprinkler head is disclosed including a spray deflector with a downwardly-extending slot that is substantially narrower in width at a first, outer location than at a second, inner location, wherein the slot has the effect of raising the trajectory of fluid passing through it. <IMAGE>
Patent GB-2082758-A (GB)
Title: Cooling Pellet Material
IPC: F28C3/14
Filed: 1981-07-24
Abstract: A method and apparatus for cooling pellet material is disclosed in which a stream of pellet material (22) to be cooled is introduced into an upright cooler and is then split into four substantially equal streams (40, 42, 44, 46), each of which is thereafter enclosed as a separate column. Each of the separately enclosed columns of pellet material is cooled and the cooled pellet material is removed from the cooler in one or more outlet streams. <IMAGE>
Patent GB-2104001-A (GB)
Title: Pay envelopes
Inventor: FLETCHER MICHAEL
IPC: B65D27/04
Filed: 1981-08-07
Abstract: A pay envelope permitting the recipient to check both notes and high value coins therein without breaching the security of the envelope has a note receiving pocket 16 and a flap 18 foldable to overlie the pocket 16 and adherable thereto. A designated part 36 of the flap may be torn out to expose the net pay recorded for the packet and free edges of notes in the pocket, and one or more adhesive zones 28 are provided to which coins may be adhered, said zones being located so that the flap 16 overlies them when folded over. <IMAGE>
Patent GB-2082932-A (GB)
Title: Pleated filter element with integral shield
IPC: B01D46/24
Filed: 1981-08-12
Abstract: A generally flat or tubular pleated paper filter element (12) has a fluid- permeable foamed-plastic shield (16) formed on one side to firmly and accurately position the adjacent folds of filter paper. The shield (16) is formed in situ and bonds to the paper without the use of an intermediate adhesive so as to form a unitary structure. The paper insert is placed in a rotary tubular mould where the plastics is foamed until it contacts and bonds to the peat fold lines. Projections in the mould form holes through the closed cell plastics, or the plastics may be open cell and projections are not then required. <IMAGE>
Patent GB-2084352-A (GB)
Title: Pressure Source
IPC: G05D16/20
Filed: 1981-09-08
Abstract: A piston-cylinder unit (10) is driven by a stepper motor (18) to control the pressure of a liquid pressure system. The pressure is sensed by a transducer (24) and a digital feedback control unit (30) responds to generate stepping pulses to maintain a desired pressure. The control unit may also include a step counter, to provide an accurate indication of volume change, and backlash compensation may be provided by arranging that the counter, following a direction change, ignores motor steps until a pressure change occurs. <IMAGE>
Patent GB-2085114-A (GB)
Title: Sealing a Pipeline
IPC: F16L37/38
Filed: 1981-10-05
Abstract: A spherical member (10) is advanced by pressure along the interior of a pipeline (12) to seat against a restraining member (14) forming a pressure-tight seal. The advancing pressure may then be increased within the pipeline to monitor for leaks in the upstream section of the pipeline. The spherical member (10) is easily retrieved by back pressuring the downstream section of the pipeline (12) thereby dislodging the spherical member from the restraining member (14). <IMAGE>
Patent GB-2111366-A (GB)
Title: A process for manufacturing animal feed
Inventor: TRICKETT STANLEY
IPC: A23K1/00
Filed: 1981-12-15
Abstract: A process for manufacturing animal feed, wherein the feed is constituted by several base ingredients mixed and passed under controlled conditions through a pelleting press, and enzymes are dispersed in at least one of said ingredients, the pH and temperature thereof being adjusted prior to pelletising to promote optimum enzymatic activity therein, the temperature of the ingredients in the pelleting step being raised to a level sufficient to de-nature the enzymes and to stabilise the feed, the conditioning effect of the enzymes serving to replace the physical conditioning usually provided by the introduction of steam, thus appreciably reducing the cost of the process. <IMAGE>
Patent GB-2095834-A (GB)
Title: Temperature sensing assembly for an electrical radiant heater
IPC: G01K1/16
Filed: 1982-03-24
Abstract: A temperature sensing assembly for use with an electrical radiant heater disposed below and in spaced relationship to a cooking plate 14 comprises a thermally conducting composite coupling plate 18 having two layers 18a and 18b of substantially equal thickness, one layer 18a being of good thermally conducting non-ferrous metal, e.g. aluminium, and the other layer 18b being of iron or steel. The coupling plate 18 bears against the cooking plate 14, extends over the heating element of the radiant heater in spaced relationship thereto, and also extends externally of the heating zone where a temperature sensor is disposed in heat transfer relationship with the coupling plate 18. The layer 18a bears against the cooking plate 14 which is preferably a glass ceramic cooking plate and the opposite face of the coupling plate 18 is preferably coated with a thin aluminium plating 18c. <IMAGE>
Patent GB-2101847-A (GB)
Title: Radio communications apparatus
Inventor: DENT PAUL WILKINSON
IPC: H04K1/00
Filed: 1982-06-18
Abstract: Channel selection in a frequency hopping radio set is controlled by a pseudo-random number generator, the pseudo-random number being used to address an N bit memory (3) which is used to identify each of n available channels from N equipped channels. When a preselected number of the n channels have been identified by the pseudo-random number generator a latch (4) is enabled to store the channel number for selection purposes. Various scrambling methods are employed so that the channels on which one network of radio sets is operating is not readily identifiable from the channels on which another network of radio sets is operating. <IMAGE>
Patent GB-2102515-A (GB)
Title: Planetary reversing gear
Inventor: SVAB EUGEN
IPC: F16H3/60
Filed: 1982-07-23
Abstract: The invention relates to a planetary reversing gear for an infinitely variable traction-roller gear unit of a motor vehicle. The reversing gear serves to transmit torque from a drive shaft 1 to the primary shaft 2 of the traction roller gear unit (not shown). The primary shaft 2 is a hollow shaft surrounding the drive shaft. The planetary reversing gear comprises a sun wheel 6 serving as output element, a ring gear 7 serving as a reaction element and a planet wheel carrier 3 carrying two intermeshing planet-wheel sets 4, 5 which also mesh, respectively, with the sun wheel 3 and the ring gear 7. An axially slidable selector ring 9 is coupled for rotation with the ring gear 7 and is operative to interact by way respective synchronising clutches 13, 16 with gears 14, 17 arranged one each side of the ring gear 7, the gears 14, 17 being coupled, respectively, to a stationary housing 12 and to the planet-wheel carrier 3. <IMAGE>