baber/WOPTO huggingface dataset:
Patent GB-1113529-A (GB)
Title: Shut-off valve
Inventor: LEHRER FRITZ
IPC: F16K31/06
Filed: 1965-09-23
Abstract: 1,113,529. Valves. UNITHERM OSTERREICHISCHE GESELLSCHAFT FUR UNIVERSELLE WARMETECHNIK m.b.H. 23 Sept., 1965, No. 40651/65. Heading F2V. In a shut-off valve, a closure member 6 engages a yieldably mounted seat 7 to permit the space between the closure member 6 and a closure member 3 to be reduced after the valve has closed. The difference in pressure thus created between the space and the flow passage in the valve is measured by bellows 11 which may operate a switch in an electric circuit and sound an alarm if leakage should occur above a predetermined rate. In a modified construction for use with liquids, both seats are rigid, the closure members are fluid-actuated and relatively movable, and a single bellows loaded by a spring indicates the pressure difference.
Patent GB-1477021-A (GB)
Title: Chuck
IPC: B23B31/173
Filed: 1974-09-18
Abstract: 1477021 Chucks ROBERT BOSCH GmbH 18 Sept 1974 [20 Sept 1973] 40654/74 Heading B3B A chuck, e.g. for percussion drilling, comprises at least two jaws 15 slidable in slideways 14 of a chuck member 1, a stressing sleeve 5 operable to move the jaws along the slideways, the sleeve 5 having an annular extension 17 which engages in a groove 16 in each jaw to drive the jaw in each direction along the slideway, and a resilient diaphragm spring 18 placed between the extension 17 and the sides of the grooves 16 engaged during tool clamping. A resilient plastics disc 19 prevents ingress of dirt. The sleeve 5 is screwthreaded onto the member 1 and is rotated by a level gear chuck key 12. The chuck key pilot engages in a bore 10 in a sliding block 9 movable axially with the sleeve. The block includes a mark readable against a scale on the member 1 to gauge the size of the opening between the jaws. The jaws may be prevented from rotating in the angled slideways 14 by a dovetail guide.
Patent GB-895586-A (GB)
Title: Improvements in or relating to course indicating light beacons
IPC: G08G9/00
Filed: 1959-12-01
Abstract: 895,586. Light beacons for marine navigation. SVENSKA AKTIEBOLAGET GASACCUMULATOR. Dec. 1, 1959 [Dec. 1, 1958], No. 40778/59. Class 118. [Also in Group XI] A course-indicating light beacon comprises a diverging light source and a plurality of screens, having laterally-spaced light apertures, arranged at different distances from the source to define light sectors of different colour. In its basic form as shown in Fig. 1 the apparatus comprises a reflector type light source 1 emitting a beam which is defined by the pair of screens 3, 4 provided with light apertures, further intermediate screens 6, 7, 8 also being provided to block the passage of unwanted light between the inner and outer screens. Fig. 3 shows an arrangement in which three sectors are provided, the middle sector 16 serving as a courseindicating beam and being of white light, whereas the lateral sectors 17, 18 emit red and green light provided by filters 14, 15 placed in these sectors. The different visual ranges of the lights are compensated for by the provision of a different number of light apertures in the various sectors; thus, as shown in Fig. 3, the white centre sector 16 has two apertures, the red sector 17 four and the green sector 18 has five. In order to keep the sector boundaries sharp the lines bounding the sectors are made as parallel as possible either by the outward displacement of those portions of the screen 4 within the sectors 17, 18 or by placing suitablyshaped prisms in front of screen 4, Fig. 4 (not shown), so that each lateral sector boundary adjacent the middle sector is parallel with the adjacent boundary line of the middle sector.
Patent GB-1131531-A (GB)
Title: Lifting device
IPC: B65H67/06
Filed: 1967-09-12
Abstract: 1,131,531. Devices for lifting rolls of paper. H. F. DALGLISH. 12 Sept., 1967 [15 Sept., 1966], No. 41578/67. Heading B8H. To lift a roll of paper a device A, Fig. 2, is inserted into the central hole of the roll until a collar 49 abuts the side of the roll. An upward pull on the lifting ring 21 causes the body portion 10 to move upwards relative to a sleeve 12 thus causing jaws 36, Fig. 6, which project slightly through windows 35 in the sleeve, to be pivoted by the sleeve about their apices 44. This causes the corners 47 of the jaws to project further and engage the inside of the roll enabling the latter to be lifted. When the roll is set down the jaws are retracted by resilient rings 43. The jaws may be locked in this position by a spring-loaded pin which engages a hole 51 Fig. 2, to prevent relative movement between the body 10 and sleeve 12, and is withdrawn by a solenoid 53.
Patent GB-920353-A (GB)
Title: Process for stabilizing acrylic acid alkyl esters
IPC: C07C69/54
Filed: 1960-12-02
Abstract: In the preparation of esters of acrylic acid by the hydrolysis of acrylonitrile with sulphuric acid to give acrylamide sulphate which is then esterified with the appropriate alcohol, the products are stabilized during the esterification, and the purification by distillation, by blowing in air and/or oxygen.  In an example acrylic acid methyl ester and methanol are extractively distilled in countercurrent with water in a column with the addition of air or oxygen at from 1 to 2 litres per hour.  The resulting azeotrope of ester and water is condensed, separated, and the ester further distilled preferably under reduced pressure, with the passage of 1,5 litres of air or 0,3 to 0,5 litres of oxygen per hour.  The passage of the air or oxygen prevents polymerization during the distillation stages.ALSO:<PICT:0920353/IV(a)/1> Methyl, ethyl, propyl and butyl esters of acrylic acid prepared by hydrolysing acrylonitrile with sulphuric acid to give acrylamide sulphate which is then esterified with the appropriate alcohol, are stabilized during the esterification and purification by blowing in air and/or oxygen.  A proportion of from 0.1 to 10.0% by volume of air and/or oxygen calculated on the amount of vapour flowing, is preferred and other inhibitors such as methylene blue, phenothiazine or hydroquinone are used.  In an example acrylamide sulphate prepared in a saponifying vessel 2, is esterified in a column 10, with the addition of air, 90, the resulting acrylic acid methyl ester and methanol are extractively distilled 20, with the addition of air or oxygen 91, and the ester and water separated, condensed 26, and separated 27, and the ester distilled 30, while air or oxygen passed in 92, separated from water 34 and condensed 86, to the final product.  The introduction of the air or oxygen prevents polymerization during the various stages.
Patent GB-1028865-A (GB)
Title: Improvements in or relating to shackles
Inventor: HEARN FREDERICK WILLIAM
IPC: F16G15/06
Filed: 1963-10-22
Abstract: 1,028,865. Making shackles. AMALGAMATED ROADSTONE CORPORATION Ltd. Oct. 9, 1964 [Oct. 22, 1963], No. 41691/63. Heading B3A. [Also in Division B8] A shackle is made from a sheet-metal stamping having rounded ends 10, 11, a waist portion 12 and an elongated central aperture 13. The ends 10, 11 are first pressed into substantially U- shaped cross-section, and the blank then folded around a mandrel about a transverse centre line extending across the waist. The shackle may be of steel or aluminium.
Patent GB-1278709-A (GB)
Title: Improvements in or relating to shaft furnaces
IPC: C21B7/08
Filed: 1970-09-02
Abstract: 1278709 Charging shaft furnaces DEMAG AG 2 Sept 1970 [17 Sept 1969] 41985/70 Heading F4B Charging equipment for a shaft furnace comprises a storage hopper 6 feeding charge material through a frusto-conical movable distribution shoot 8 and a double valve arrangement into a bell hopper 2, the double valve arrangement comprising a gate valve 15, 16 whose individual gates are actuated by pivotally mounted fluid motors 23 and a sealing disc 27 mounted by a ball joint 28 on a crank (29, Fig. 2) rotatable by another fluid motor into a recess in the bell hopper (Fig. 2) clear of the charge material path. The gate valve and sealing disc are operated in timed sequence. The shoot 8 is movable sideways by rams 9 within an upper extension 7 of the bell hopper formed by flanged rings 3, 4 and 5, disc 27 seating on the ring 3. Hopper 2 has a bell valve 14 actuated by rods 35, 36 as in Specification 1,278,408.
Patent GB-1180653-A (GB)
Title: Improvements in methods of shielding ground to be excavated
Inventor: WILD WILLIAM MILLINGTON
IPC: E02D19/14
Filed: 1967-09-15
Abstract: 1,180,653. Excavatble ground-freezing methods. FORAKY Ltd. 20 June, 1968 [15 Sept., 1967], No. 42077/67. Heading E1F. The end strata 9 of a cavity 3, 4 to be formed in the ground is, before the cavity is excavated, frozen by the passage of freezing fluid through tubes 8 sunk down through the ground to be excavated and into the ground of the end strata. Each pipe 8 is thermally insulated over that length 5 thereof that will be in the ground to be excavated.
Patent GB-1066872-A (GB)
Title: Improvements in or relating to guide blades for steam turbines
Inventor: LUDEWIG MAX
IPC: F01D25/32
Filed: 1963-10-25
Abstract: 1,066,872. Turbine blades. LICENTIA PATENT VERWALTUNGS - G. m.b.H. Oct.25, 1963, No.42227/63. Heading F1T. Steam turbine stator guide blades 4 are provided with rows of overlapping slots 1b,. (1a), Fig. 2 (not shown), closely adjacent each blade trailing edge and communicating through the concave and convex sides respectively of the blade with a space (3) within the blade. The space (3) communicates with radially inner and outer manifolds 6 welded to the blades so that water particles collected on the blade surfaces can pass through the slots into the manifolds 6 and thence to the turbine condenser. The slots may be replaced by overlapping round holes.
Patent GB-1078055-A (GB)
Title: Process for the preparation of macroreticular-structured copolymers
IPC: B01J39/20
Filed: 1964-10-16
Abstract: Homogeneous addition-polymerizable charges having water dispersed therethrough are polymerised to give products having a macroreticular structure and useful for example in the manufacture of ion exchange resins.  The dispersions may contain 5-70% by weight of water. Extensive lists of suitable monomers and comonomers are given, the latter including compounds having multiple unsaturation for cross-linking.  Reaction mixtures may include conventional anionic and non-ionic surfactants and free radical generating initiators for the polymerization while the temperature may be 20-150 DEG  C.
Patent GB-1152580-A (GB)
Title: Improvements in or relating to Supported Palladium-Silver Alloy Membranes.
IPC: H01M4/94
Filed: 1966-09-23
Abstract: 1,152,580. Making composite metal sheet, welding by pressure. LEESONA CORP. 23 Sept., 1966 [30 Sept., 1965], No. 42465/66. Headings B3A and B3R. [Also in Division H1] A reinforced palladium-silver alloy membrane is produced by coating a nickel grid-like support with a thin layer of gold, then contacting the nickel support with a palladium-silver alloy membrane under pressure between graphite blocks in a helium atmosphere at a temperature sufficient to bond the membrane to the support. The nickel support may be a screen of open area 60-90%; the gold may be applied by electroplating and be 0À0001 to 0À015 inches thick; the Ag/Pd membrane may contain 5-40% Ag.
Patent GB-424889-A (GB)
Abstract: 424,889. Weighing-apparatus. ISING, G. A., Stocksund, Sweden. Aug. 23, 1933, No. 23451. Convention date, Aug. 25, 1932. [Class 143] [See also Groups XIX and XXXVI] An arrangement for giving magnified readings in measuring instruments is applied, in one embodiment, to a balance beam 10 torsionally suspended by bands, (not shown), and carrying a frame 9 supporting a vertical pointer 7 secured to a stretched wire 8. When the beam rocks from the horizontal, the pointer 7 is acted on by gravity to give a magnified indication of the movement of the beam, the torsional forces in the suspension and in the wire 8 being opposed by a gravitational force acting on the pointer.
Patent GB-1078273-A (GB)
Title: Semiconductor device
Inventor: KAWANA YOSHIYUKI
IPC: H01L29/06
Filed: 1964-10-19
Abstract: 1,078,273. Semi-conductor devices. SONY CORPORATION. Oct. 19, 1964, No. 42492/64. Heading H1K.  To raise the breakdown voltage of a surfaceemergent junction in a planar diode or transistor the surface perimeter of the region forming the junction is surrounded by a zone of the same conductivity type and which is spaced from the region by an amount less than the width of the depletion region of the main junction when, in the absence of the zone, surface breakdown would be imminent. The zone is not connected to an electrode and is thus at a floating potential. By this means the breakdown voltage of the surface part of the main junction may be raised to approach or equal that of the internal part of the main junction. The embodiment described is a silicon diode provided with oxide protection over the intersections of the main and subsidiary junctions with the surface. Sizes of typical diffusion masks are given.
Patent GB-1182146-A (GB)
Title: Method of Inserting Sticks into Frozen Confection.
IPC: A23G9/26
Filed: 1967-05-26
Abstract: 1,182,146. Endless conveyers. DIAMOND INTERNATIONAL CORP. 26 May, 1967 [23 Sept., 1966], No. 42600/69. Divided out of No. 1,182,145. Headings B8A and B8S. [Also in Division A2] A method of inserting sticks into frozen confection comprising the steps of picking up a plurality of sticks from a random supply on a conveyer during a predetermined cycle of operation, feeding a portion of these sticks to a reservoir through its bottom, passing the remainder of the sticks past the reservoir to a discharge station, and adding sticks from the reservoir to the sticks passing the reservoir as needed, to pass a predetermined number of sticks to the discharge station. The description is identical with that of the parent Specification 1,182,145, but the claims differ.
Patent GB-1404314-A (GB)
Title: Bottom unloaders for silos
IPC: B65G65/42
Filed: 1971-09-13
Abstract: 1404314 Silo bottom unloader AUSTIN HOY & CO Ltd 22 Aug 1972 [13 Sept 1971] 42668/71 Heading B8E A silo bottom unloader has a sweep arm 5, with a cutter chain, pivoted at or near the periphery of the silo, as in British patent 1,092,262, to sweep at least the greater part of the floor 4 and is provided additionally with a conveyer 3 of the chain and flight type or an auger as shown in a channel 6 to discharge the material. The conveyer 3 may extend the whole length of the arm or only part thereof when discharge from the centre is required or its effective length may be adjustable by a shutter slidable over the top of the channel 6. The channel 6 may be chamfered outwards at the top. The floor 4 may be stepped at the edge where it contacts the side wall 1 and the step may have a downwardly sloping top face.
Patent GB-995897-A (GB)
Title: Improved installation for making cheese
IPC: A01J25/12
Filed: 1962-11-12
Abstract: An installation for the continuous production of cheeses comprises a zone through which is conveyed on tracks a train of troughs of milk containing rennet, a divice for cutting the curd formed in the troughs during their passage through the zone, a zone at which the troughs are successively overturned to decant their contents of curd and whey into successively presented moulds, and a zone at which these filled moulds are successively drained of whey.
Patent GB-1145172-A (GB)
Title: Improvements in or relating to exhaust gas purification
IPC: B01D53/08
Filed: 1966-09-27
Abstract: 1,145,172. Removing sulphur dioxide from exhaust gases. BERGWERKSVERBAND G.m.b.H. 27 Sept., 1966 [8 Oct., 1965], No. 43166/66. Heading B1L. Impurities, especially SO 2 , are removed from exhaust gases by passing the gas stream transversely through a moving layer of a suitable adsorbent, e.g. activated coke, the adsorbent thereafter being regenerated by immersion in a desorbent liquid such as water or weak ammonia solution before being .returned to the adsorption .stage. In Fig. 1, adsorbent 4 is held by transverse webs 3 on perforated endless conveyor I moving within gas tight housing 5, the lower portion of which contains inlet 11 and outlet 12 for desorption liquid which thus moves countercurrent to the clockwise direction of travel of the conveyor. Exhaust gas enters compartment 6 at 7, and passes through the adsorbent 4 on the travelling conveyor 1 before leaving by exit 8. In Fig. 2 (not shown), exhaust gas enters at 25, passes through the downward travelling bed of adsorbent 22 between perforated plates 23 and leaves at 26. Desorption liquid in troughs 30 is withdrawn by outlet 35. Adsorbent passes over weirs 29 with the assistance of high pressure gas or liquid from inlets 28, and is then canned up pipe 31 by mean's of desorption liquid injected through inlet 33, and is returned to the adsorption chamber at inlet 21. Liquid is strained off at 34 and is returned to the bottom by pipe 32. In order to assist the descent of the adsorbent, the adsorption chamber 22 may be narrower at the top than at the bottom. Before immersion, dust particles may be sieved out and removed.
Patent GB-1515228-A (GB)
Title: Photographic cameras
IPC: G03B17/20
Filed: 1976-10-20
Abstract: 1515228 Cameras BALDA-WERKE PHOTOGRAPHISCHE GERATE UND KUNSTSTOFF GmbH & CO KG 20 Oct 1976 [16 July 1976] 43428/76 Heading G2A Variations in the axial position of a marking element as seen in a camera view-finder are transformed by a 45 degree mirror into positional variations transverse to said axial direction. As shown, a reticle mask 3 carries at its centre a conical reflector 4 having a central projection 5 which can be displaced axially. The projection 5 has at its centre a conical reflecting surface of height h, the cone angle being the same as that of reflector 4. Projection 5 is attached to a focusing lens 12 which slides in a sleeve 13, and which is also attached to one end of a lever 15. Lever 15 moves on a pivot 14 and its other end engages with a pin 16 in a groove on the objective lens carrier 17. Thus focusing movement of lens carrier 17 produces axial movement of lens 12 and projection 5. Thus an annular image of the cone of height h is reflected from the conical surface 4, and reflected from a mirror 7 and a semi-transparent mirror 8, when it is viewed by an observer 2. The ring seen therefore through the view-finder lens 11 will vary in size between rings (18 and 19), Fig. 4 (not shown) according to the setting of the lens carrier 17. In Figs. (not shown) 5 and 6, the movement of the projection 5 provides a movable slit mark whose distance from a fixed slit mark is a measure of the focus. In Figs. (not shown) 7 and 8, the movable projection 5 becomes a rectangular slide body with reflecting surfaces arranged round its four forward edges, so that a rectangular image in the viewfinder becomes greater or smaller.
Patent GB-938733-A (GB)
Title: Improvements in or relating to apparatus for examining coded information
IPC: G06F7/02
Filed: 1960-12-19
Abstract: 938,733. Magnetic storage devices. SIEMENS & HALSKE A.G. Dec. 19, 1960 [Dec. 17, 1959], No. 43619/60. Class 38 (2). [Also in Group XIX] Apparatus for determining the content of coded information (see Group XIX) includes a transfluxor which is used as a triple sequence gate to pass a signal to a counter when a predetermined sequence of signals say N, G, Zi, are received. In the initial, blocked state, distribution of field lines in the transfluxor is as shown in Fig. 9. After receipt of the N, G, Zi control pulses in this order at windings w 1 , w 3 , w 2  respectively, the flux distributions are as shown in Figs. 10, 8, 9 respectively. An output pulse is produced in winding w 4  and transmitted by a transistor Tr when the " Zi " pulse completes a sequence of three pulses. No output is derived if either or both the " N " and " G " pulses are omitted. The transfluxor may have the more usual circular shape with one large and two small apertures.
Patent GB-1124952-A (GB)
Title: Apparatus for firing ceramic firing furnaces
IPC: F23C7/06
Filed: 1965-10-15
Abstract: 1,124,952. Oil burners. M. LEISENBERG. 15 Oct., 1963 [30 Oct., 1964], No. 43717/66. Addition to 1,088,494. Heading F4T. The oil burner of the parent Specification 1,088,494 is modified by omitting the baffles near the outlet end of the mixing chamber and by forming the outlet end of the mixing chamber as a discharge tip having curved walls which lead to a discharge orifice and which are thicker than the walls of the mixing chamber.
Patent GB-1254098-A (GB)
Title: Improvements in and relating to nuclear reactors
Inventor: DESCAMPS JEAN-MARIE
IPC: G21C1/30
Filed: 1970-09-14
Abstract: 1,254,098. Reactors. COMMISSARIAT A. L'ENERGIE ATOMIQUE. 14 Sept., 1970 [12 Sept., 1969], No. 43820/70. Heading G6G. In an arrangement for the irradiation of samples by the core of a swimming pool nuclear reactor, the vertical tubular receptacles or thimbles, containing the samples, are positioned by hydraulic actuators. The receptacles may be positioned automatically in correspondence with reactor parameters. The receptacles 10 are mounted within a water-jacket 19 and each displacement carriage 3 is associated with a single receptacle. Each carriage is mounted on rails 4, 5, and is operated by hydraulic actuators 6, 7. The samples to be irradiated are contained in the tube 20.
Patent GB-1047878-A (GB)
Title: Improvements in or relating to teaching devices
Inventor: TAYLOR SIDNEY KEITH
IPC: G09B3/04
Filed: 1964-10-28
Abstract: 1,047,878. Books. LAMSON TECHNICAL PRODUCTS Ltd. Oct. 28, 1965 [Oct. 28, 1964], No. 43924/64. Heading B6A. [Also in Division G5]. A device for programmed teaching (see Division G5) comprises a pair of hinged covers 2, 3 having slits 5, 9 and 10 therein which respectively receive backing supports of a pad of teaching programme sheets 15, an answer pad 11 and a further pad 12. The sheets of the programme pad and the backing support are bound together by a spiral binding. The further pad may be replaced by a plurality of pockets 19 (Fig. 3, not shown) of transparent plastics material. The device further includes a transparent pocket 13 hingedly connected to the spline and which slidingly receives an opaque sheet.
Patent GB-1429000-A (GB)
Title: Master cylinder devices
IPC: B60T11/20
Filed: 1973-09-19
Abstract: 1429000 Master cylinders AUTOMOTIVE PRODUCTS Ltd 17 Sept 1974 [19 Sept 1973] 43931/73 Heading F2F A master cylinder of the kind having two spaced parallel bores 3 and a piston 5 reciprocable in each bore comprises a piston-rod 19 connected to each piston, a yoke 21 pivotally connecting the rods, guide means including a guide part 23 pivotally connected to the yoke 21 and arranged to constrain the yoke against transverse movement relative to the bores, at least one guide surface extending parallel to the bores and means on the yoke such as an arm 31 and wheel 33 which co-operate with a said guide surface to limit angular movement of the yoke. The rod 23 is reciprocable in a bore 25 in the body 1 of the master cylinder and has a hole 27 to enable it to be connected to a brake pedal. In a modification, Fig. 2, a fixed cylindrical guide surface 35 is engageable by wheels 37 supported on arms 39 connected by a link 41 and extending from the yoke 21. In a similar arrangement (not shown) the arms diverge from the pedal toward the cylinder and in other alternative arrangements (not shown) the guide surfaces 35 can be replaced by two parallel and spaced planar surfaces.