baber/WOPTO huggingface dataset:
Patent GB-823987-A (GB)
Title: Improvements in or relating to semi-conductor devices and circuit arrangements including such devices
IPC: H03K3/351
Filed: 1956-11-09
Abstract: 823,987. Semi-conductor devices. SIEMENS & HALSKE A.G. Nov. 9, 1956 [Nov. 12, 1955; Jan. 25, 1956; Feb. 13, 1956], No. 34387/56. Class 37. [Also in Group XL (c)] A double base N-type germanium or silicon diode operating as a switching element may have its triggering time reduced by various constructional modifications including the use of base electrodes of different size, extended length and varied cross-section of the semi-conductor body, a varied degree of doping along its length, or by the provision of an overall PN layer on or within certain of its surfaces. Alternatively the semi-conductor may comprise an alloy of silicon and germanium the ratio of the two components, or band width, being varied along its length. The dimensional and other variations may be individually continuous, e.g. linear or exponential, or may vary in steps. As shown in Fig. 1, the diode may comprise a tapered semi-conductor rod A having ohmic base electrodes B1, B2 of different area at opposite ends and a PN diffused or alloyed indium junction D adjacent the larger base electrode. In an alternative arrangement, Fig. 3, a semi-conductor rod 1 has emitter and collector electrodes 2, 4 arranged on opposite surfaces. Alternatively the emitter and collector may be spaced along the axis of the semiconductor, Fig. 4. In this arrangement a further collector electrode 6 may be provided, and the semi-conductor rod may be cooled by a heat-conducting base such as copper which is attached to the rod by a thin layer of electrically insulating and heat conductive adhesive. Two double-base semi-conductor devices may operate as a trigger pair (see Group XL (c)). These devices may be combined into a single structural unit, Figs. 7 and 8, comprising a rectangular semi-conductor plate having base electrodes B1, B2 and duplicated emitter and collector electrodes D1, D2 and K1, K2, or coaxially arranged semi-conductor rods with separate base electrodes B2 and an intermediate common base electrode B1. The common base electrode B1 in Fig. 8 may alternatively be replaced by a non-rectifying surface electrode on a uniform rod.
Patent GB-840158-A (GB)
Title: Improvements in rotary-piston type flowmeters
IPC: G01F3/08
Filed: 1958-10-27
Abstract: 840,158. Rotary meters. COMPAGNIE POUR LA FABRICATTON DES COMPTEURS ET MATERIEL D'USINES A GAZ. Oct. 27, 1958 [Nov. 28, 1957], No. 34387/58. Class 110 (2).  A flowmeter comprises a cylindrical rotary piston 6 whose casing is made in two parts, a lower part 4 serving as a measuring chamber and an upper part 1 provided with inlet and outlet tube connections 2 to the measuring chamber, the base 3 of the upper part 1 serving as a closure for the measuring chamber.
Patent GB-650959-A (GB)
Title: Improvements in or relating to a process for the manufacture of after twisted yarns having at least 500 turns per metre
IPC: D01H1/00
Filed: 1947-12-29
Abstract: 650,959. Spinning highly twisted yarns. NAAMLOOZE VENNOOTSCHAP HOLLANDSCHE KUNSTZIJDE INDUSTRIE. Dec. 29, 1947, No. 34492. Convention date, March 24. Drawings to Specification.- [Class 120(iii)] Highly twisted yarns having at least 500 turns per metre are after-twisted from. cross-wound bobbins rotated at a speed of at least 8,000 revolutions per minute, the bobbins having been wound with a traverse ratio greater than 5, determined by the formula K = c TL + d, where K is the traverse ratio evolved from the winding spindle speed in revolutions per minute and the number of complete traverse strokes per minute, T is the speed of the twisting spindle, L is the length of the yarn mass in centimetres and c and d are constants depending on the properties of the materials forming the yarns. For viscose rayon c as given 1/20,000 and d as L/10. Preferably, the weight of the yarn on thebobbin is not less than 500 grams.
Patent GB-354132-A (GB)
Title: Improvements in cycle and like saddles
IPC: B62J1/14
Filed: 1930-11-17
Abstract: 354,132. Saddles. LUCE, F. and WITTKOP, F., 16, Hochstrasse, and ZIEGLER, R., 28, Gr³nstrasse, Bielefeld, Germany. Nov. 17, 1930, No. 34540. Convention date, Nov. 16, 1929. [Class 136 (iii).] A cycle saddle is provided with a freely-suspended top formed of a framework supporting stretched springs or like elastic devices, the top being pivoted at the front end and acted upon by a suspension spring, the action of which may be adjusted according to the load &c. by varying the point at which it acts relatively to the fulcrum, and is characterized in that the pivot is arranged below the spring and adjusting-device, and the spring is of the compression type. The front end c of the top is pivoted on a bolt d and comprises a nose h traversed by a spindle k provided with an operating-handle i and a travelling nut m, which carries an abutment plate n and a bolt o supporting a compound compression spring p, the other end of which engages a plate r resting against a bracket s on the underframe a, A rebound spring or rubber buffer t is interposed between the bracket s and a nut u on the end of the bolt o. Two rollers v carried on either side of the travelling nut m engage the front wall of the nose h.
Patent GB-343136-A (GB)
Title: Improvements in appliances for filling liquids or semi-liquids into hollow bodies of pastry, confectionery or the like, or into other containers
IPC: A21C15/00
Filed: 1929-11-13
Abstract: 343,136. Funnels. BIRCH, E., Garth, Chestnut Avenue, Gt. Crosby, Lancashire. Nov. 13, 1929, No. 34586. [Class 125 (ii).] An appliance for filling pies &c., and also applicable to filling bottles, jars, cans, &c., comprises a vessel 1 having a depending nozzle 3 with an external valve 4 carried on a stem 6 which is so disposed relatively to the handle 2 that it may be depressed against the action of the spring 7, directly by the thumb, as the apliance is held in the hand. The nozzle 3 is consequently placed towards one side, which also allows the appliance to be stood on the edge of a table, bench or the like. The valve 4 has a conical seating and its outer side is also cone-shaped to form a point for piercing pastry and to act as a drip point.
Patent GB-447667-A (GB)
Title: Improvements in and relating to pressure speed indicators for aircraft
IPC: G01P5/165
Filed: 1935-12-13
Abstract: 447,667. Aircraft speed indicators. ORIGINAL BRUHN TAXAMETERU. KONTROLLAPPARATE GES., 86, Mauerstrasse, Berlin. Dec. 13, 1935, No. 34685. Convention date, Jan. 28. [Class 69 (i)] In a pressure speed-indicator for aircraft, the tapping point for the pressure head is adjustable in height so that whether the pressure head is above or below its fixing stem the tapping point may be at the upper edge of the head. In the form shown in Fig. 1, the pressure pocket a may be turned to bring the tapping point d to the top, an arrow-shaped groove c and indicating marks being provided. In modifications, part only of the pocket, such as n<1>, Fig. 4, may be turned, the pocket may be withdrawn from its mounting and replaced after being turned, or the pocket may be fixed and have a series of tapping points, the lower openings being closed by screws or plugs p<1>, Fig. 5.
Patent GB-996514-A (GB)
Title: Improvements in or relating to rake wheels
IPC: A01D78/00
Filed: 1962-09-12
Abstract: 996,514. Haymaking machines. C. VAN DER LELY N.V. Sept. 12, 1962 [Oct. 12, 1961], No. 34858/62. Heading A1F. A rake-wheel, for a haymaking machine, of the kind having a central region 2 and a rim 3 interconnected solely by resilient spokes 4, 5, wherein the effective radial length of each spoke is not less than “ of the overall diameter of the rake-wheel, is characterized in that the part of the spoke between the rim and the fastening point 8 of the spoke to the central region includes at least three relatively-inclined portions. As shown, the spokes are double and have outer ends which extend beyond the rim to form tines 20. At the places where the spokes pass through the rim, the latter is fitted with bearing brushes 18. The inner ends of the spokes 4, 5 are united by a hairpin-bend 6 secured by a bolt 8 and washer 7. The intermediate portions of the spokes consist of a series of sinusoidal bends 9-15, the lowermost bends 15 extending in the opposite direction to the tine-portions 20 which are backwardly bent relative to the direction of rotation P. The invention is particularly applicable to power-driven rake-wheels.
Patent GB-1039627-A (GB)
Title: A bag with gathering strings enclosed in a casing and a method and a machine for manufacturing same
Inventor: NIELSEN SVEND OLUF
IPC: A45C3/04
Filed: 1964-08-26
Abstract: 1039627 Draw-string bags BLICHER CHRISTOFFERSEN A/S 26 Aug 1964 34889/64 Headings B5D D2B1 D4E D4A and D4N A draw-string bag is formed from a continuous web 1 of paper, textile or a plastics material by inserting strings 8-11 between inwardly bent flaps 4 and 5 by means of a tube 7, welding or gluing seams 16 and 17 to form a casing and passing a shoe 18 through holes 6 to form loops in the strings 8-11. The loops are severed by a knife 23 and their free ends joined in pairs. Seams 33 are welded or glued and the web 1 is cut into separate bags. While the loops are formed the web 1 is held between holders 19, 22 and a pressure shoe 21 so that the string forming the loops is unwound from reels 12. The shoe 18 has two grooves 27, 28 on its underside to ensure that the correct strings are connected together. The holes 6 and loops may be formed simultaneously by providing the shoe 18 and holders 19, 22 with cutting edges, and slots in which the strings are guided while the shoe 18 presses the web 1 against the cutting edges during its downward movement.
Patent GB-1269644-A (GB)
Title: Organopolysiloxane compositions
Inventor: FULTON MICHAEL
IPC: C08L83/04
Filed: 1968-07-22
Abstract: 1,269,644. RTV compositions. MIDLAND SILICONES Ltd. 14 July, 1969 [22 July, 1968], No. 34893/68. Headings C3C and C3T. A room-temperature vulcanizable (RTV) composition is obtained by mixing (1) a polydimethylsiloxane having terminal silanol groups and a viscosity of 500-10,000 cS./25‹ C., (2) a carboxylic acid salt of tin, and (3) at least one polydiorganosiloxane having terminal groups -SiR a (OR<SP>1</SP>) 3-a  where a is 0 or 1, R is a hydrocarbyl, halohydrocarbyl or cyanoalkyl radical and R<SP>1</SP> is a C 1-6  alkyl radical, the components previously being made up into a first part comprising (1) and a second part comprising (2) and (3), separately packaged. Suitable salts (2) include alkyltin compounds; the polysiloxane (3) may be of a mixture of molecular weights, e.g. 30-70 wt. per cent of MW 700-2500 and 70-30 wt. per cent of MW 20,000-60,000. There may also be present fillers and further cross-linking agents besides (3), e.g. alkyl silicates or polysilicates, polysiloxane resins, or alkylhydrogen polysiloxanes, said agents being mixed with component (1) in amounts up to 25 wt. per cent thereof. In Examples the first package comprises a polydimethylsiloxane diol of MW 1000 to 3500 mixed with:-Example 1: Fe 2 O 3 , diatomaceous earth and n-propyl orthosilicate; Example 2: diatomaceous earth, n-propyl orthosilicate, a methyl-hydrogen polysiloxane and a mixture of low molecular weight hydroxy polysiloxanes ; Example 3 : isopropyl polysilicate ; and Examples 4 and 5: diatomaceous earth, quartz, TiO 2  and water; the second package comprises a single or mixed tri-n-propoxysiloxyterminated polydimethylsiloxane, optionally ZnO, and dibutyltin dilaurate or diacetate, or stannous octoate. On mixing the two parts and exposing the mixture to air, rubbers are obtained; the product of Example 2 is a foam.
Patent GB-1483096-A (GB)
Title: Rotary piston internal combustion engines
IPC: F02B55/14
Filed: 1974-08-08
Abstract: 1483096 Rotary positive displacement fluid machines ROBERT BOSCH GmbH 8 Aug 1974 [9 Aug 1973] 34931/74 Heading F1F In an internal combustion engine having first and second working chambers with respective rotary pistons of the Wankel type, a first charge of rich fuel air mixture in the first chamber is ignited and passed into the second chamber where it mixes with and thereby ignites a second charge of lean fuel air mixture which had been previously induced into the second chamber and finally burnt gases are exhausted from the second chamber. One construction of an engine operating in this mode, Fig. 2, comprises two pistons 13, 14 in respective chambers 11, 12. The piston 14 draws in a charge of lean air fuel mixture from a carburetter 21 and compresses it. Part of this charge passes into chamber 11 via passageway 28 where it is compressed by piston 13 and enriched by additional fuel injected from an injection valve 29 to become the first charge of rich fuel air mixture. A spark-plug 26 ignites this first charge which consequently expands to drive piston 13 and enters chamber 12 via passageway 23 and ignites the remainder of the compressed lean fuel air mixture forming the second charge. Further expansion drives piston 14 before the burnt gases exhaust through outlet port 24. In an alternative construction the passage 28 is omitted and piston 11 draws in a rich fuel air mixture from a second carburetter and compresses it to form the first charge. The pistons may be arranged in a "cottage loaf" formation or may be mounted on the same shaft.
Patent GB-954555-A (GB)
Title: Improvements in or relating to delayed action granular fertilizers
IPC: C05G3/00
Filed: 1960-10-12
Abstract: A prefabricated granular fertilizer comprises at least one water-soluble plant nutrient, the granules of which are coated with a plurality of coatings, one of which serves as a primer coating and another of which is a water-resistant film forming a water-resistant composite encapsulating the said primer coated granules in a tack-free coating under normal handling conditions. The primer coatings which preferably constitute 1 to 3% by weight of the fertilizer may be a styrenated soya alkyl resin, a urea formaldehyde resin, boiled linseed oil containing lead, manganese, or calcium driers, and phenol formaldehyde resins.  The film forming coatings may be prepared from linseed, oiticica, tung, or heat treated or blown oils; synthetic oils made from butadiene or butylene with styrene, dicyclopentadiene or butadiene; silicone alkyds; copolymer alkyds of dicyclopentadiene, styrene, and acrylates; esters of rosin, glycerol and pentacrythritol; maleic resins; coumarone indene resins; terpene resins; petroleum resins; latices of polyvinyl chloride, polyacrylate, polymethylmethacrylate, polyvinyl acetate and copolymers; melamine formaldehyde; nitro-cellulose, cellulose acetate, ethyl cellulose, condensation products of fatty dimers and trimers of acids with diamines; condensation products of epichlorohydrin and bisphenol polyesters of glycols; polysiloxene; petroleum and coal tar pitches and asphalts; natural and synthetic waxes which may be derived from behenyl behenate, fatty keto esters, dodecyl allophanate, triglycerides of hydroxy stearate or hydrogenated castor oil, polyvinyl stearate and high melting polyethylene. These coatings may be added to known fertilizers containing carbon, nitrogen, oxygen, phosphorus, sulphur, potassium, calcium, magnesium, manganese, zinc, copper, boron, chlorine and trace elements. Specification 785,645 is referred to.
Patent GB-373237-A (GB)
Title: Improvements in vehicles for use in the collection and disposal of refuse
IPC: B65F3/12
Filed: 1930-11-21
Abstract: 373,237. Scavengers' vehicles. JACKSON, W., 45, Cornbrook Street, Old Trafford, Manchester. Nov. 21, 1930, No. 35062. [Class 108 (i).] In scavengers' vehicles. the or each inlet opening is covered by a cowl or hood within which is pivoted a container adapted to be rotated from the position in which it receives a dust bin into a position for discharging the contents of the dust bin into the vehicle. The containers b are pivoted on studs e in hoods c arranged above the inlet openings of the body a and are rotated into the position shown at the right side of the Figure to receive a dust bin which is retained in position by the lid h of the container b. The container b is then rotated to bring the mouth of the dust bin over the inlet opening of the body to discharge its contents. The container is rotated by means of a handle r connected to a stud o attached to the container and guided in a slot f in the hood c. A plate l in contact with a pivoted flap n and leather flaps k are provided to prevent escape of dust. Projections j are provided against which the dust bin may knock during rotation of the container to loosen the contents.
Patent GB-1472607-A (GB)
Title: Centrifugal separators
IPC: F23G5/32
Filed: 1974-08-08
Abstract: 1472607 Centrifugal separators; pneumatic separation INGENIEURSBURO BUTTKEREIT BV and METALLHUTTE E KRAHE & CIE 8 Aug 1974 [19 Nov 1973] 35064/74 Headings B2H and B2P [Also in Division F4]  A centrifugal separator 16, Figs. 3 and 4, for purifying gases containing combustible contaminants comprises a contaminated-gasfeed duct 15 leading tangentially to the inner surface of the separator at a level y-y above the level z-z of an inlet 27 of a purified gas outlet pipe 18, and at least one burner nozzle 24 aranged about its periphery at substantially the same level as the duct 15 and extending tangentially into the separator in the direction of circulation of gases to be purified within the separator. The separator housing 17 is provided with insulation 21 and a fire resistant wall 22. The burner nozzle 24 is adjacent the inner wall 25 of the feed duct 15 and directs a flame jet tangentially to the wall of the separator chamber 26 to accelerate the rotating gases and cause combustion of the contaminants. The burnt contaminants fall into a collector 20. In a modification, the burner nozzle is arranged at a position diametrically opposite to the feed duct. In another-modification two burner nozzles are provided, one adjacent the feed duct and one diametrically opposite to it. In Fig. 8, additional inlet nozzles 29, 30 are provided for the addition of chemicals to enable non-combustible harmful gases to be removed from the gas to be purified. In one example, to remove chlorine gas, calcium oxide may be added and the reaction product calcium chloride is separated, the high temperature produced by the flame jet issuing from the nozzle 24' accelerating the reaction. In another example, kieselghur may be added to absorb suspended matter present in the gases. In Fig. 9, the purified gas outlet pipe 18' is made of ceramic material and extends downwardly as far as the collector 20'. The section 18" of the pipe below the feed level y-y is provided with a number of apertures 32. The centrifugal separator 16 may be incorporated in a plant, Fig. 1, for separating metal filings from contaminants such as oil particles, lacquer, plastics and cloth residues. The metal filings are fed to a chute 1 having a coarse separator 1' and are passed with remaining contaminants via a helical conveyor 2 and a conveyor tube 3 through a drying drum 4 in counter-current to a flow of hot gases issuing from a heating gas generator 5. The hot gases laden with unburnt contaminants are sucked through a pipe 13 by a fan 14 into the separator 16 via its feed duct 15. From the drying drum 4 the fillings enter a helical conveyor 7 which feeds them to a magnetic separator 8 from which they are discharged via a screen 9 into a container 10.
Patent GB-1478680-A (GB)
Title: Marine structure
IPC: B63B35/04
Filed: 1974-08-08
Abstract: 1478680 Marine structure; suction dredging MARINE CONSULTANTS PTY Ltd 8 Aug 1974 [9 Aug 1973] 35093/74 Headings E1F and E1H [Also in Division F2] A marine structure has an elongated buoyant tower 10 flexibly connected by line 90, Fig. 1, to anchoring base 11 on the sea bed. The tower includes guide tracks 14 which extend along its length and along which buoyant chamber 15 is selectively movable. Locking arrangements 17 and clamps 19, Fig. 2 (not shown) enable the chamber to be located in a predetermined position longitudinally of the tower. In the embodiment of Fig. 3 the marine structure has an elongated buoyant tower 30 flexibly connected at 37 to anchoring base 31 which includes drive tracks 34 on the sea bed 32. The structure includes a suction pipe 38 for land reclamation, channel dredging or offshore gravel and sand mining.
Patent GB-367881-A (GB)
Title: Improvements in electric ignition magnetos
IPC: H02K21/10
Filed: 1930-11-22
Abstract: 367,881. Magnetos. EISEMANN. WERKE AKT.-GES., 63, Rosenbergstrasse, Stuttgart, Germany. Nov. 22, 1930, No. 35195. Convention date, Dec. 3, 1929. [Class 35.] A magneto, primarily intended for installation in place of the interrupter and distributer head of battery ignition devices, has a multipolar armature with imbricated poles 5, 6 enclosing the winding 8, the poles being secured between a pair of end caps 9 of which one is connected to a driving shaft and the other to an interrupter shaft and a distributer. The magnets 2 engage in recesses in the laminated poles 1 which are held together by bolts 3 and non- magnetic end rings 4. The poles are formed of U-shaped laminations 5 and E-shaped laminations 6 bent to an angle determined by the number of poles required. Recesses are formed in the end plates 9 to receive the ends of the armature poles. The lower end plate 9 may carry a shaft driven by worm gear from the shaft of a lighting dynamo and the upper end plate may carry a cam shaft on which is mounted the distributer disc.
Patent GB-522177-A (GB)
Title: Improvements relating to removing scale from metal
IPC: C25F1/14
Filed: 1938-12-02
Abstract: 522,177. Electrolytic pickling. ALLOY RESEARCH CORPORATION. Dec. 2, 1938, No. 35219. Convention date, Dec. 30, 1937. [Class 41] Scale is removed from chromium alloy or steel products by treatment in a bath of fused alkali, e.g., sodium hydroxide first as cathode, then as anode, and again as cathode. For treating very dense scale further alternations of the electrolytic treatment may be employed, the last step always being cathodic. The articles are then treated with dilute sulphuric acid to remove alkali and finally pickled, e.g., in an aqueous solution of nitric acid.
Patent GB-440915-A (GB)
Title: Improvements in packing for stuffing boxes and the like
IPC: F16J15/20
Filed: 1934-12-07
Abstract: 440,915. Stuffing - box packing. MUSTER, G. F., 4217, Judge Street, Elmhurst, Long Island, New York, U.S.A. Dec. 7, 1934, No. 35233. Convention date, Dec. 8, 1933. [Class 122 (v)] Packings of V-section adapted to nest one within the other in a stuffing box are provided on one or both of the V-surfaces 7, 8 with spaced projections 12 to provide access of fluid pressure for expanding the packing.
Patent GB-869835-A (GB)
Title: Improvements in wrapping machines
Inventor: GLOVER WILLIAM
IPC: B65B35/24
Filed: 1958-11-03
Abstract: 869,835. Wrapping-machines. FORGROVE MACHINERY CO. Ltd. Dec. 17, 1959 [Nov. 3, 1958], No. 35234/58. Class 94(1). [Also in Group XXX] Articles 12 are fed towards open peripheral pockets 11 of a wrapping machine feed wheel 10 by flights 23 of a continuously moving chain conveyer 24, the pockets being enclosed by a guide 14 during passage of the articles to the discharge pusher 13. The distance between the flights is greater than the width of the articles. An adjustable extension 37 of the feed channel in which the flights operate is provided to ensure release of lugs maintaining the flights erect, from the grooves in which they run, at the correct instant.