baber/WOPTO huggingface dataset:
Patent GB-1131340-A (GB)
Title: Improvements in means for controlling hydraulically-operated clutches for conveying rotary motion
IPC: F16D48/02
Filed: 1966-12-23
Abstract: 1,131,340. Change speed and clutch control. E. HENGSTLER, [trading as ERWIN HENGSTLER FABRIK FUR HYDR. HEBEZEUGE]. 23 Dec., 1966 [29 Dec., 1965], No. 57703/66. Addition to 1,105,416. Headings F2D and F2L. In an hydraulic clutch control of the parent Specification wherein, to avoid sudden clutch application, engaging pressure is controlled so as to increase gradually by a valve means comprising a piston 29 controlling relief of line pressure in a clutch feed bore 16 through a port 35 and acted on by a spring 31, and a piston 26 reinforcing the spring force, acted on by said line pressure via a first throttle orifice 27 and provided with a second throttle orifice 41 in its head, the cross-section of the first throttle orifice is adjustable by means of an exteriorly operable screw 78. The screw 78 screws into a hollow bush 76 itself screwed into the body 2 of the valve means. The line pressure in the bore 16 is directed to act on the piston 26 through a cylindrical filter 100, e.g. wire gauze, a groove 99 and transverse bore 98 in the bush 76, a cavity 87, and a transverse bore 93 and blind bore 92 in the screw 78, a control edge 89 of an inturned lip of the bush and the transverse bore 93 in the screw providing the first throttle orifice which is adjustable by relative movement of the screw and bush. A sealing ring 83 may be inserted between the bush 76 and the body 2. A sealing ring 95 is provided between screw shoulders 94. The screw has a slot 81 and locknut 80 by which it is respectively adjusted and locked in the bush. A cap nut 102 engaging the bush secures the body to a wall 84, sealing rings 85, 85<SP>1</SP> being interposed. The first throttle orifice 27 may be by-passed, in the opposite flow direction, through a one-way valve 43.
Patent GB-1161629-A (GB)
Title: Pregnadienes
IPC: C07J75/00
Filed: 1967-12-22
Abstract: 1,161,629. 3 - Chloroethylthio - 6 - formyl - 9- fluoro-pregnadienes. SOC. FARMACEUTICI ITALIA. 22 Dec., 1967 [29 Dec., 19661, No. 58529/67. Heading C2U. Novel compounds of formula (wherein R is oxo or #-hydroxyl; R<SP>1</SP> is hydroxyl, R<SP>11</SP> is hydrogen, hydroxyl or methyl or R<SP>1</SP> and R<SP>11</SP> together form an isopropylidenedioxy group; X is hydrogen or OY where Y is hydrogen or the acyl radical of a C 1-9  mono- or di-carboxylic acid) are prepared from the corresponding 21-acyloxy- or 21-unsubstituted- 6 - unsubstituted - 3 - keto - pregn - 4 - enes by condensing the latter with #-chloroethylmercaptan to obtain a 3-chloroethylthio-6-unsubstituted - pregna - 3,5 - diene which is subsequently formylated in the 6-position to obtain a compound of Formula III wherein X is hydroxy or aryloxy, and where necessary hydrolysing a 21-acyloxy product to the corresponding 21-hydroxy compound. Anti-inflammatory compositions suitable for local or topical administration comprise at least one compound of Formula III and an acceptable liquid or solid vehicle.
Patent GB-1449285-A (GB)
Title: Surgical face mask
IPC: B01D39/08
Filed: 1973-12-18
Abstract: 1449285 Surgical masks JOHNSON & JOHNSON 18 Dec 1973 58536/73 Heading A5T A face mask includes a body portion 10 with securing means 12, the body comprising a filtration medium of non woven fabric formed of thermoplastics filaments extending from edge to edge of the piece of fabric generally parallel to the surface and having a diameter of 14-20 microns, said fabric having a weight of 1.4-1.8 oz/sq. yd., a thickness of 0.01-0.02 ins, a void volume of about 85% and being substantially free of binder. The filtration medium (22) Fig. 4 (not shown) may have on each side a layer of a non-woven facing fabric (21, 23) of weight 200-400 grains/ sq. yd. which is bonded with a thermoplastics binder. The facing fabric and the filtration medium are preferably bonded together at points 14, constituting less than 1% of the total surface area of the mask, and the mask is formed by folding the material into pleats (17, 18, 19), Figs. 2 and 3 (not shown), a soft metal nose clip 11 and seam binding 13 being provided. The filtration medium may be made of poly(ethylene terephthalate) by spinning the filaments, applying an electrostatic charge to separate them, arranging them in parallel relationship, and self-bonding by pressure.
Patent GB-1410620-A (GB)
Title: Electric switch
IPC: H01H13/50
Filed: 1972-12-19
Abstract: 1410620 Mechanical switches A FISCHER 19 Dec 1972 [20 Dec 1971] 58552/72 Heading H1N An electric switch suitable for operation in a stack of similar switches 1A, 1B, 1C, Fig. 1 mounted on a unitary support 15, comprises a contact assembly mounted to extend within a recess 5 of an actuating lever 3 whereby movement of the lever 3 actuates the switch. In the particular embodiment each lever 3 is pivoted to the fixed casing 2 on a pin 4 and projects from the casing in the manner of a push-button. One part of each lever 3 engages a moveable contact spring 9 whereby a contact 8 moves between a pair of fixed contacts 7, the spring 9 also acting as a restoring spring to render each lever 3 retractive. In the stacked arrangement shown an enlarged end of each lever 3 engages the lever 3 of the adjacent switch.
Patent GB-1329748-A (GB)
Title: Motor cycle having a protective enclosure and means for keeping the motor cycle upright
IPC: B62J17/08
Filed: 1970-12-10
Abstract: 1329748 Motor cycles; weather screens J MULLER 10 Dec 1970 [11 Dec 1969] 58777/70 Heading B7J A motor cycle comprises a removable protective enclosure 2 having a roof 9, transparent side screens 10 and a transparent windscreen 7 extending downwards to the level of the foot rests or main shaft of the pedals, and, two auxiliary ground wheels 16 located on respective sides of the rear of the cycle and carried by respective arms 18 pivotally attached to the cycle, each arm being connected to aresilientlyyieldable arm-bracing device 19 which tends to urge the wheels 16 into contact with the ground, each device 19 being adjustable by a set screw 20. The windscreen, side screens, and roof are supported on vertical supports 3 detachably fixed to the frame of the motor cycle, and the windscreen 7 has an extension 8 which extends it downwards to the pedals or footrests. A windscreen wiper 13 is operated via cable 15 from a roller 14 engaging one of the cycle wheels.
Patent GB-1392046-A (GB)
Title: Packing sleeves
IPC: F16J15/18
Filed: 1971-12-21
Abstract: 1392046 Stuffing-boxes BRITISH HYDRO-MECHANICS RESEARCH ASSOCIATION 19 Dec 1972 [21 Dec 1971 1 Sept 1972] 59340/71 and 40678/72 Heading F2B A pump or other shaft 3 is sealed by means comprising a preformed sleeve 4 of packing material housed in a sleeve 1 of a stuffing-box and urged into contact with the shaft by loading medium supplied under pressure through a duct 6 in the stuffing-box. The sleeve 4 is held in the sleeve 1 by a cover 2 sealed to the sleeve by a gasket 7 and as shown in Fig. 1, pressurized grease is supplied to the duct 6 from a differential piston subject to the pressure of the sealed fluid in the space 5. The grease pressure is measured by an indicator I and may be relieved through a valve R. In the embodiment shown in Fig. 2, the sleeve is surrounded by a layer of wire gauze 7. The duct 6 may be provided in a ring 9, Fig. 4, disposed between the sleeve 1 and the cover 2 or in the cover, Fig. 6 (not shown). The cover may be provided on its face abutting the sleeve 4 with a tapered surface (2D, Fig. 9. not shown), or a diaphragm 10, Figs. 10 and 11. In the embodiment shown in Fig. 16, O-rings 7A seated in rings 7B, are disposed between the sleeve 4 and the sleeve 1 to isolate the loading medium. To facilitate insertion the sleeve 4 may be in two halves 4A, 4B, Fig. 17, or split and the gauge may be in the form of a strip. In the modification shown in Fig. 20, the sleeve has longitudinally grooves 4F interconnected by circumferential groove 4G. The loading medium may be grease, oil or plastics.
Patent GB-1321180-A (GB)
Title: Preparation of a fine metallic nickel spheroidal powder
IPC: B22F9/26
Filed: 1971-12-21
Abstract: 1321180 Producing nickel powder MONTECATINI EDISON SpA 21 Dec 1971 [24 Dec 1970] 59523/71 Heading C7D [Also in Division E1] A suspension of reducible Ni salt in wateralcohol is treated at 160-250C. with H 2  at a partial pressure of 25-100 atmospheres in the presence of one or more acrylonitrile, pyridine and zerovalent Ni complexes, to produce spherical Ni powder with a particle size of 0À07-2 microns and a very narrow granulometric spectrum. Ni powder may also be added as a nucleant. The Ni salt may be hydroxide, formate or acetylacetonate in an amount of 10-120g/l, the volume ratio alcohol/water may be 0À1-10 and 1-50g/l of the additive may be used.
Patent GB-1339737-A (GB)
Title: Diagnostic agents for primary hepatoma
IPC: C07K16/30
Filed: 1970-12-16
Abstract: 1339737 Immunological preparations KOWA CO Ltd 16 Dec 1970 [18 Dec 1969 19 Feb 1970 29 July 1970 28 Aug 1970] 59757/70 Heading A5B [Also in Division B1] Serum from a primary hepatoma patient on foetal serum to be used in immunizing an animal to produce anti-alpha-1 fetoglobulin antiserum is purified before use by dialysing it against 0.1 to 0.01 w/v% aqueous acrinol solution for about 24 hours. The acrinol solution is then centrifuged to obtain the sediment, and the sediment may be purified by conventional protein fractionation methods to obtain substantially pure alpha-1-fetoglobulins.
Patent GB-1367766-A (GB)
Title: Pressure-sensitive transfer elements
IPC: B41M5/10
Filed: 1970-12-18
Abstract: 1367766 Pressure-sensitive transfer elements COLUMBIA RIBBON & CARBON MFG CO Inc 2 Dec 1971 [18 Dec 1970] 60216/70 Heading D2B A pressure-sensitive transfer element comprises a flexible pre-treated polyolefin film provided with a first undercoating comprising a cured polyurethane resin, a second undercoating comprising a thermoplastic polymer on the first undercoating, and a top layer of a microporous thermoplastic polymer sponge containing within its pores a pressure-exudable ink comprising an oily vehicle and colouring matter. The polyolefin film pre-treatment consists of partial oxidation of one or both surfaces of the film by flame or corona discharge. The polyloefin may be polyethylene or polypropylene. The polyurethane undercoating may also contain a thermoplastic polymer, preferably a vinyl polymer or a cellulose ester. Suitable thermoplastic polymers for the second undercoating and microporous sponge layer are vinyl polymers, cellulose esters, polyesters, and polyamides. The reverse side of the film may also be provided with a polyurethane undercoating on which may be printed a design in one or more colours.
Patent GB-1291603-A (GB)
Title: Sampling valves for gas chromatography
IPC: G01N30/20
Filed: 1969-01-30
Abstract: 1291603 Sampling valves for gas chromatography IMPERIAL CHEMICAL INDUSTRIES Ltd 14 Jan 1970 [30 Jan 1969] 63517/69 Divided out of 1291602 Heading B1X The embodiment disclosed is identical with that of the original Specification 1,291,602, the claims, however, relate to different aspects.
Patent GB-692468-A (GB)
Abstract: 692,468. Dielectric materials. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Feb. 5, 1952 [Feb. 8, 1951], No. 3010/52. Class 37., [Also in Group V] A dielectric material of low temperature coefficient of dielectric constant consists of a mixture of 1-40 per cent of zinc oxide, more than 10 per cent of zirconium oxide and titanium dioxide to the extent of 33<SP>1</SP>/ 3  per cent +<SP>1</SP>/ 3  of the zirconium oxide content but not exceeding 55 per cent; the mixture is sintered at a temperature between 1300‹ and 1500‹ C. The composition is that contained within the pentogon ABCDE of the ternary diagram Tio2-Zro2-Zno. The titanium dioxide may be partially replaced by aluminium oxide, the content of aluminium oxide never exceeding 15 per cent of the zinc oxide content. The titanium dioxide may be replaced up to 30 per cent by tin oxide (SNO 2 ) to give slightly positive temperature coefficients of dielectric constant. Sintering agents such as bentonite, and calcium or magnesium fluoride may be added to reduce the sintering temperature.
Patent GB-709998-A (GB)
Abstract: 709,998. Solid-fuel stoves. RADIATION, Ltd. June 5, 1952 [June 19, 1951], No. 14486/51. Class 126 A closed solidfuel stove with air supplied above and below the grate has a conduit arranged so that a full supply of primary air can be fed above the grate and a restricted supply of primary air fed below the grate, or a full supply of primary air can be supplied only below the grate and dampers to control the air flow. Primary air is admitted to a stove above the grate b through a passage c and below the grate through an opening o. Secondary air is admitted through an inlet e near the combustion products outlet d. Incorporated with the stove is an air conduit, Fig. 2 (not shown), having two passages h, i formed at its upper end, the inlets to which are controlled by a common damper which may be thermostatically operated. The passage h leads to the inlet c above the grate, while the passage i leads through a lower part n of the conduit to the ash space air inlet o. The passage i has a restricted inlet, and a hole is formed in the partition between the passages hand i. When this hole is closed by a manually operable damper, only a restricted air supply reaches the ash pit, but when the damper is moved to open the hole and close the passage h the full air supply is admitted to the ash-pit.
Patent GB-2003739-A (GB)
Title: Apparatus for removing oil from water
IPC: C02F1/28
Filed: 1978-08-23
Abstract: Apparatus for continuous removal of oil from aqueous effluent from a ship comprises a pressurised, upright cylindrical vessel enclosing a central chamber containing oil- coalescing medium 7 and a surrounding annular chamber containing filtering medium 13. The effluent is introduced under pressure into the base of either chamber, the oil is discharged from the top of the vessel by float- operated valve 21 and the purified water is discharged from the base of the other chamber. Medium 7 is periodically cleaned by reverse flow or enhanced forward flow using air and water to fluidise the medium. The construction in Fig. 3 includes alternate corrugated and flat, radial baffles 45. <IMAGE>
Patent GB-2009702-A (GB)
Title: Loading articles into open- topped containers
IPC: B65G65/00
Filed: 1978-11-22
Abstract: In a method and apparatus for loading articles (e.g. bottles) into flat open-topped containers such as trays, each article 14 is supported over the container by a pair of horizontally spaced members 15, and a support piston 18 is moved upwardly through an aperture 13 in the base of the container 12 to contact and support the base of the article. The spaced support members are then removed and the article lowered into the container by retracting the support piston. <IMAGE>
Patent GB-2016628-A (GB)
Title: Compensator
IPC: F16L55/033
Filed: 1979-02-23
Abstract: A compensating coupling for the flexible interconnection of pipe sections has a metal bellows (2) with end flanges (3). Vibration and/or sound damping is achieved by two damping systems one of which includes a cylindrical damping member (7) encircling the bellows (2) and held in facing recesses (4a) of mounting rings (4). Each mounting ring (4) is connected to the furthest flange (3) through the damping member (7) and the other ring (4) by means of bolts (8). Alternate bolts (8) are connected to opposite rings (4) and flanges (3). The second damping system consists of inserts (6) in the inner and/outer folds of the bellows (2). Both the damping member (7) and the inserts (6) are preferably made of high-temperature resistant and highly resilient rubber material. <IMAGE>
Patent GB-2024352-A (GB)
Title: Vehicle braking systems
IPC: B60T8/18
Filed: 1979-03-29
Abstract: An arrangement for varying the load applied to a control valve (1) of a vehicle braking system in dependence upon vehicle loading comprises a vehicle load-sensing assembly and a force-transmitting assembly (11-14) for transmitting to the control valve a force dependent upon the sensed vehicle load. The arrangement comprises an electric motor (19) which, when the switch (21) is turned on, drives a screw (15) to the right to pressurise a master cylinder. A pressure valve whose pressure setting varies with vehicle load is connected to the master cylinder connection (7A, 8A), so that as the master cylinder is loaded by the motor (19), it generates a maximum force corresponding to the vehicle load, and the same force is transmitted at the other end of the lever (12) to the control valve (1). The motor is stopped at the end of its travel by a toggle switch (20, 22), and returned to its initial position when the switch (21) (which may be coupled to the vehicle ignition switch) is turned off. <IMAGE>
Patent GB-2025284-A (GB)
Title: Machine and Method for Removing Material from a Workpiece
IPC: B24B5/22
Filed: 1979-04-26
Abstract: A centreless grinder has a regulating wheel 22 and a grinding wheel 20 which undergo relative pivotting about an axis 32 near to an outlet end 25 of the machine to accomplish in feed grind operations on a plurality of parts fed stepwise through stations S1, ... Sn between the wheels from an infeed end 24. Thus a coarse feed occurs adjacent the inlet end and a fine feed adjacent the outlet end. The grinding and regulating wheels may have frustoconical surfaces so that a frustoconical surface 26 produced on a workpiece at one station is engaged along its entire length by the grinding and regulating wheels when it is moved to the next adjacent station, the final workpiece surface being ground cylindrical at the station at the outlet end. <IMAGE>
Patent GB-2021208-A (GB)
Title: Seals
IPC: F16J15/32
Filed: 1979-05-08
Abstract: A shaft seal, which obviates the need for a metal reinforcement, comprises a retention portion (1) for location in a housing and depending therefrom a sealing portion (2) for bearing on a shaft wherein the retention portion comprises a vulcanised rubber composition containing substantially peripherally orientated fibres and a thermoset resin. In another embodiment the retention portion includes a component containing fibres with an orientation other than peripheral. <IMAGE>
Patent GB-2023428-A (GB)
Title: A destruction device for injection needles
IPC: A61M/
Filed: 1978-10-26
Abstract: A device for the destruction of an injection needle has a sleeve (6, 14) in which the needle (3) mounted on a syringe may be inserted. The sleeve includes projections (9, 16) located beneath one another and projecting from opposite sides towards the path of movement of the needle within the sleeve. The projections are forced, by means of an actuator (5, 16) which is movably disposed in the sleeve and, as a result of engagement with the needle holder (4) is entrained in the movement of the needle, to move towards and into the path of movement of the needle so that the needle is bent or broken between these projections and is, in such a manner, rendered unusable. <IMAGE>
Patent GB-2024619-A (GB)
Title: Seat construction
IPC: A47C23/12
Filed: 1979-06-29
Abstract: The construction comprises a frame having spaced parallel rails and a spring assembly mounted on the frame. The spring assembly including a pair of longitudinally extending wires (15), each wire having a resilient layer thereon, a plurality of transversely extending wires (17) having free ends wound about the layers of the longitudinally extending wires, each free end being wound about a longitudinally extending wire for a first complete revolution (18) and at least 180 DEG of a second revolution (19) spaced longitudinally relative to the first convolution with the extreme portion (20) of the free end extending toward the plane of the transverse wires. Each of the convolutions has a diameter less than the outer diameter of the resilient layer in the untensioned state. A plurality of supporting tension springs (13) have one end connected to a longitudinally extending wire and the other end to at least one rail of the frame. <IMAGE>
Patent GB-2026433-A (GB)
Title: A lifting device for bales
IPC: A01D87/12
Filed: 1979-07-27
Abstract: A lifting device for lifting flat assemblies of bales comprises a plurality of tines (17) arranged in parallel rows to rotate in the same direction to grip an assembly of bales and to bias them against a stop (24). <IMAGE>
Patent GB-2028608-A (GB)
Title: Heating circuits
IPC: H05B3/34
Filed: 1979-08-02
Abstract: A heating circuit for an electric blanket or the like comprises a cable (1) formed from a heater conductor (2) separated from a sensor conductor (3) by temperature sensitive means (4) and two series resistor-diode pairs (R1-D1 and R2-D2) each connected between ends of the conductors (2, 3) so that each pair conducts in series with the impedance (Z) of the temperature sensitive means (4) during respective half-cycles of an AC mains supply, the arrangement being such that general overheating of the cable (1) or localised overheating anywhere along its length reduces the impedance (Z), (possibly to zero if the means (4) melts), such that the current through one or both of the resistors (R1, R2) heats the resistor(s) and blows a thermal fuse (F) to terminate heating. The thermal fuse (F) may be replaced by a resettable interruption element, namely a self- regulating PTC resistive element. <IMAGE>
Patent GB-2028079-A (GB)
Title: Improvements in or relating to agricultural spraying apparatus
IPC: A01M7/00
Filed: 1979-08-14
Abstract: An agricultural spraying apparatus is provided comprising a support 10 on which are mounted a plurality of atomizing nozzles 34. The nozzles 34 have liquid or powder inlets connected to a liquid or powder pump 19 and air inlets connected to an air pump 24. The nozzles 34 atomize the liquid or powder internally. The support 10 can be mounted on an agricultural vehicle, such as a tractor, and the liquid or powder pump 19 and the air pump 24 can be driven from the vehicle. <IMAGE>
Patent GB-2057520-A (GB)
Title: Method of making rugs
IPC: D05C15/00
Filed: 1979-08-29
Abstract: A method of making rugs comprises providing a leno woven backing fabric (10) and a needle (16) having a hook (20) and latch (22) at one end and an eye (24) at the other, passing the latch hook (20) through the backing to engage a length of pile yarn (14), withdrawing the needle to leave a loop of pile yarn projecting from the back of the backing, and pushing the needle through the loop at the back of the backing. The needle carries a binding yarn (26) which secures the loop against being pulled out of the backing. A secondary backing may be stuck to the back of the finished rug if desired. <IMAGE>
Patent GB-2057451-A (GB)
Title: Immunological Preparations Comprising Egg Yolk Antibodies
IPC: A61K38/00
Filed: 1979-09-05
Abstract: Immunological preparations are prepared by immunising hens with an antigen, preferably to a stage of hyperimmunisation. The eggs of the immunised hens are collected, the yolk is separated from the eggs, followed by separation of the lipid content of the yolk. The antibodies in the egg yolk are then rendered indispersable with the aid of a water- soluble linear filamentary non-charged polymer precipitant such as PEG and the indispersable antibodies are recovered. This precipitation of antibodies is preferably preceded by a precipitation of caseinaceous proteins at lower polymer concentrations. The immunological preparations are useful for diagnostic purposes and in appropriate cases also for the treatment of pathological conditions.
Patent GB-2033835-A (GB)
Title: Process and apparatus for welding plastics sections
IPC: B29C65/02
Filed: 1979-10-22
Abstract: Plastics sections 1,2 of thermoplastic material are welded together by contact heating of the surfaces to be joined and then pressing these surfaces together whilst using metal elements which are pressed flat onto adjacent outer surfaces of the sections and which have opposed edges spaced apart by a narrow gap and shaped at 11,12 to produce a shaped weld reinforcement having opposite rising surfaces. <IMAGE>