baber/WOPTO huggingface dataset:
Patent GB-1234825-A (GB)
Title: Semiconductor component elements
IPC: H01L23/31
Filed: 1968-09-24
Abstract: 1,234,825. Semi-conductor devices. SIEMENS A.G. 24 Sept., 1968 [2 Aug., 1968], No. 45404/68. Heading H1K. To ensure an effective seal between the metallic terminal bodies and the plastics coating or jacket which with them completes the housing surrounding a junction-containing semiconductor element, at least one of the metallic bodies (at least) where in contact with the plastics consists of sintered material. Fig. 1 shows a slotted housing part and terminal body 1 of sintered iron-copper, iron, copper, nickel, molybdenum, or tungsten with a knurled outer surface. Within the slot is mounted a junctioncontaining silicon wafer 21 soft-soldered between copper discs 22, 23 and edge-protected by lacquer 8. The discs are soft-soldered respectively to the housing part 1 and to the other terminal body 3 (an eyed strip). The assembly is maintained under pressure by a spring 5 (pressing on a ceramic block 4). The housing is completed by the epoxy resin 6 which fills the slot. Other embodiments have: a cup-shaped terminal containing the element and filled with resin; a bus-bar bearing several elements, each plastics-coated; and a housing formed by large terminal discs linked by an annular plastics wall, the element and its contacts being soft-soldered between the discs or held there by external pressure applied by the mounting.
Patent GB-1277799-A (GB)
Title: Piston pump
IPC: F04B53/10
Filed: 1969-09-15
Abstract: 1277799 Reciprocating piston pump PUMPENFABRIK URACH GmbH 15 Sept 1969 [17 Sept 1968] 45417/69 Heading F1A A valve assembly located in the cylinder head 11 of a reciprocating piston fluid pump comprises an annular inlet valve 18 and an outlet valve 23, both valves being biased towards a closed position by a common spring 20. Fluid is drawn into the pump chamber 19 from a manifold 15 via passageways 17 in a valve housing 13, and is discharged via an axial passageway 26 to a discharge chamber 29, the passageway 26 locating a cruciformsectioned member 22, 27, 28 connected to the outlet valve 23 and to a cup member 21 on which spring 20 acts. A further spring 25 acts on the outlet valve 23, and a single high-pressure seal 31 prevents leakage of fluid from the discharge chamber 29 into the inlet manifold 15, a lowpressure seal 33 preventing the leakage of fluid from the inlet manifold to atmosphere. The head 11 may be bolted to the cylinder housing 10 with the inter-position of a high-pressure seal 32, or welded thereto, and the annular inlet valve 18 may be replaced by a number of individual inlet valves.
Patent GB-1091973-A (GB)
Title: Apparatus for the manufacture of asbestos cement plates
IPC: B28B1/52
Filed: 1964-11-09
Abstract: 1,091,973. Molding plastic articles. ETERNIT S.p.A. Nov. 9, 1964 [Nov. 8, 1963; Sept. 19, 1964], No. 45559/64. Heading B5A. Apparatus for manufacturing corrugated asbestos cement plates from flat ones comprising means 11, Fig. 3, for moving flat unhardened plates to a corrugating means 15 having a corrugated surface and suction means for moulding the corrugated plate against the corrugated surface, corrugated mould plates which are stacked alternately with the unhardened corrugated plates, the mixed stack 16 of plates being then carried along a path with a controlled atmosphere to harden the plates to where the mould plates and hardened corrugated plates are separated, the mould plates being returned to where another mixed stack is formed. As shown in Fig. 3 the means 11, a device 12 for moving the unhardened corrugated plates from the means 15 to the mixed stack, and a device 13 for moving the corrugated mould plates on to the mixed stack are all suction devices connected to a vacuum source 14, and are carried by a carriage 10 slidable on a structure 9. The separating means, Fig. 4 (not shown), comprises two suction operating lifting devices. As shown in Fig. 2 the hardening path comprises a tunnel 7, a lift 2, another tunnel 6, another lift 3 and a further tunnel 8, the mixed stack being carried between the stacking and separating means by carriages which are moved by devices 35, 36, operating in the upper and lower runs.
Patent GB-1008467-A (GB)
Title: Production of fluorubin
Inventor: DEUSCHEL WERNER
IPC: C09B17/00
Filed: 1961-12-20
Abstract: Fluorubin and fluorubins containing substituents or fused aromatic rings are made by heating to temperatures of about 140 DEG  to 400 DEG  C. (a) 2: 3-diaminoquinoxaline, (b) a 2: 3-diaminoquinoxaline substituted in the benzene nucleus, (c) a 2: 3-diaminoquinoxaline having fused aromatic rings or (d) a 2: 3-diaminoquinoxaline substituted on an amino group by a 2-aminoquinoxalinyl-(3) radical, if desired in the presence of an organic diluent and an acid catalyst.  In processes (b) and (c) unsymmetrical products or mixtures of symmetrical and unsymmetrical products may be obtained. Mixtures of two different 2: 3-diaminoquinoxalines or an unsymmetrical di-(3-amino-2-quinoxalinyl)-amine may be used.  In processes (a), (b) and (c) the starting material may be heated first to 100 DEG  to 140 DEG  C. to convert it to a di - (3 - amino - 2 - quinoxalinyl) - amine and then cyclized by heating to 140 DEG  to 400 DEG  C. Examples are given.ALSO:In an Example (1) a yellow nitrocellulose lacquer is made by milling together nitrocellulose, dibutyl phthalate, ethyl alcohol, ethyl glycol and a pigment of the formula:- <FORM:1008467/C3/1>ALSO:A diquinoxalinylamine of the formula <FORM:1008467/C2/1> a mixture of diquinoxalinylamines of the formulae <FORM:1008467/C2/2> and diquinoxalinylamines of the formula <FORM:1008467/C2/3> where R is hydrogen, chlorine, bromine, alkyl or alkoxy are made by heating diaminoquinoxalines of the formulae <FORM:1008467/C2/4> with compounds of the formulae <FORM:1008467/C2/5> respectively in N : N-dialkylamides or N-alkyllactams in the presence of alkali at 80 DEG  to 200 DEG  C. In examples, the following pairs of compounds are heated: (5) 2 : 3-diaminoquinoxaline and 2 - chloro - 3 - amino - quinoxaline; (8) 2 : 3-diamino - 6 - methoxy - quinoxaline and 2-chloro - 3 - amino - quinoxaline and (9) 2 : 3-diamino - 6 - chloro - quinoxaline and 2 - chloro-3 - amino - 6 methyl - quinoxaline.  Bis - (2 - aminoquinoxalin - 3 - yl) amine is made (5) by heating 2 : 3-aminoquinoxaline with p-toluenesulphonic acid in N-methylpyrrolidone.  2 : 3-Diaminoquinoxalines are made by heating 2 : 3-dichloroquinoxalines with liquid ammonia at 30 DEG  to 130 DEG C. under pressure.  In Examples: (1) 2: 3-dichloro-quinoxaline and its 6-methyl derivative, (3) 2 : 3-dichloro-5-methyl-quinoxaline and (4) 2 : 3 : 6-trichloroquinoxaline are heated with ammonia. 2-Amino-3-chloro-quinoxalines are made by treating 2 : 3 - dichloro - quinoxalines with liquid ammonia at -10 DEG  to +30 DEG  C. under pressure. In an Example, (5) 2 : 3-dichloro-quinoxaline is so treated.
Patent GB-1158005-A (GB)
Title: Machine for the manufacture of Fibre-Glass Tubing
Inventor: CHARTIER ANDRE MAURICE
IPC: B29C53/60
Filed: 1966-10-12
Abstract: 1,158,005. Tube-making machines. R.D.T. SOC. POUR L'ETUDE, LA REALISATION ET LA DIFFUSION DES TECHNIQUES MODERNES. 12 Oct., 1966 [29 Oct., 1965], No. 45598/66. Heading F2P. A machine for making fibreglass reinforced resin tubing includes fibre thread distributers 4, 5, annular impregnation vessels B 1 , B 2  filled with resin through which the threads F are drawn by a horizontally extending mandrel 3 coaxial with the vessels, means, such as conveyer belts 1, 2, for moving the mandrel axially away from the vessels, and means for rotating the vessels and distributers 4, 5 at substantially the same speed. An electric motor 7 coupled to a variable speed device 8 drives shafts 9, 46 respectively imparting rotation to the belts 1 and 2 and the distributers, the vessels B 1 , B 2  being coupled to gears 28, 29 driven by pinions 35, 37 and rotated in opposite directions by the shaft 46. The distributers may also be driven in opposite directions by the use of a reversing device 53.
Patent GB-1157103-A (GB)
Title: Partition or like Structure
IPC: E04B2/74
Filed: 1966-10-13
Abstract: 1,157,103. Partitions. SOC. INDUSTRIELLE DE TRANSFORMATION DES PLASTIOUES, S.A. 13 Oct., 1966 [19 July, 1966], No. 45814/66. Headings E1R and E1W. Partitions comprise hollow box-sectioned posts and rails 21 connected together and supporting panels or glass panes 52 via metal or plastics brackets 44 fastened to the rails, cover strips 48 being fixed over all the joints by mounting elements 22 made of a soundinsulating material. The element 22 may each be mounted on a separate base 37 (Fig. 8, not shown). Closure strips 57 may be employed to close off channels 15, 18 formed in the sides of the posts and top and bottom of each rail, or alternatively a central panel or glass pane 59 (Fig. 16, not shown) may be fixed thereto, or alternatively cover strips 48 may 'be fixed thereover (Fig. 15, not shown). The brackets may have several different forms, and may be connected to the mounting elements. They may be employed on the posts as well as the rails when the panels are heavy.
Patent GB-1121828-A (GB)
Title: 3-phenyl salicylanilide derivatives and gastropodicidal compositions containing them
IPC: A01N37/40
Filed: 1966-10-13
Abstract: The invention relates to substituted 3-phenyl salicylanilides of the general formula <FORM:1121828/C2/1> wherein A is chlorine or bromine, B is hydrogen, chlorine or bromine and R is one of the following: (a) <FORM:1121828/C2/2> where D is hydrogen, methyl or fluoro, chloro or bromo, E is nitro or cyano or methane sulphonyl, but where E is methane sulphonyl, D is a said halogen and where E is cyano at least one of D and B is halogen as defined, (b) <FORM:1121828/C2/3> where G is methyl, fluoro, chloro or bromo and J is trifluoromethyl or nitro, but when J is trifluoromethyl, G is a said halogen sustituent, and (c) <FORM:1121828/C2/4> where K is fluoro, chloro or bromo or trifluoromethyl. Many specified compounds are described and claimed. The compounds may be prepared by reacting substantially one mole of a 3-substituted phenyl salicylic acid of the formula <FORM:1121828/C2/5> with substantially one mole of a substituted aniline of the formula R-NH2 in the presence of 0.1 to 1.0 mole of phosphorus trichloride in an inert medium at a temperature of 62 DEG to 200 DEG  C.ALSO:A gastro-podicidal composition comprises a solid or liquid diluent and as active ingredient a compound of the general formula:  <FORM:1121828/A5-A6/1> wherein A is chlorine or bromine, B is hydrogen, chlorine or bromine and R is one of the following. <FORM:1121828/A5-A6/2> where D is hydrogen, methyl or fluoro, chloro or bromo and E is nitro or cyano or methane sulphonyl, but where E is methane sulphonyl, D is a said halogen and where E is cyano at least one of D and B is halogen as defined.  <FORM:1121828/A5-A6/3> where G is methyl, fluoro, chloro or bromo and J is trifluoromethyl or nitro but when J is trifluoromethyl G is a said halogen substituent, and <FORM:1121828/A5-A6/4> where K is fluoro, chloro or bromo or is trifluoromethyl.
Patent GB-1154477-A (GB)
Title: Improvements in Electrical Isolating Switches of the Pantograph kind
IPC: H01H31/36
Filed: 1966-10-14
Abstract: 1,154,477. High-voltage switches. ALLMANNA SVENSKA ELEKTRISKA A.B. 14 Oct., 1966 [15 Oct., 1965], No. 45917/66. Heading H1N. The counter contact of a pantograph type of isolating switch comprises three bars 23, 24, 25 arranged to be gripped by the moving contact consisting of tongs 19, 20 which are closed by the upward movement of the pantograph (5, 6, 7, Fig. 1, not shown) when an insulator (15) is rotated by hand operating mechanism (16). The bars 23, 24, 25 are suspended from an overhead bus-bar (3) by flexible connectors (2) and the central bar 23 is resiliently displaced out of the plane of the bars 24, 25 by springs (29, Fig. 3, not shown) carried on brackets (28) bridging bars 24, 25, such that closure of tongs 19, 20 urges bar 23 substantially into the plane of bars 24 and 25 against the spring force, thereby ensuring a predetermined contact pressure with visual indication that it has been obtained. The tongs 19, 20 may be of aluminium with copper inserts 21 and 22. The insert 22 comprises two parts as shown, or has longitudinal ridges, to provide two points of contact with bar 23, while insert 21 provides a point of contact with each bar 24 and 25. Bars 23, 24 and 25 have rounded contact faces to ensure point contact.
Patent GB-1156945-A (GB)
Title: Improvements in and relating to Rechargeable Cells
IPC: H01M50/429
Filed: 1966-10-14
Abstract: 1,156,945. Dry secondary cell. MALLORY BATTERIES Ltd. 14 Oct., 1966 [1 Dec., 1965], No. 45933/66. Heading H1B. A secondary cell according to the invention comprises an oxygen - containing cathode and an anode separated by a layer of clear, self - supporting, non - fibrous electrolyte gel, prepared from a fibrous cellulosic material and an alkali metal hydroxide at a temperature below -10 C. The cathode may comprise a support of sintered titanium or nickel powder or a porous carbon plaque the pores of which are lined with a pyrolytically formed layer of NiO, CoO or MnO 2  and another layer of the same oxide of electrolytic origin. The pyrolytic layer may be formed by vacuum impregnating the support with cobalt or nickel nitrate and heating this to 310-375 C. The electrolytic layer may be formed by electrolytic deposition of the metal hydroxide from a solution of the nitrate or chloride at 80-90 C., cathodic reduction in LiOH of any remaining nitrate to hydroxide and anodic oxidation of the hydroxide to the oxide. The anode may be Cd or Fe, a perforated zinc plate, a plaque of amalgamated zinc powder or zinc sprayed on to cloth or electrodeposited on a brass screen. The alkali metal hydroxide may be KOH, NaOH or LiOH and may contain some alkali metal zincali formed by addition of zinc oxide. The cellulosic material may be Dexter paper or Webril. In assembling the cell the cathode may be wrapped in cellulosic material and a U- shaped anode placed round it. The whole may then be impregnated with LiOH solution and maintained at -10 to -20 C. to allow the hydroxide-cellulose reaction to occur. The resulting unit may be placed in an open ended container of nylon and the top sealed with epoxy resin. In a particular embodiment cathode 10, fitted with terminal 12 is surrounded by electrolyte layer 14, anode 16 carrying terminal 18 and nylon case 20. The case is sealed with epoxy resin 22 but siliconized cotton twine 24 passes through the seal to provide a vent.
Patent GB-1438136-A (GB)
Title: Container assembly with closure
IPC: B65D50/06
Filed: 1973-10-02
Abstract: 1438136 A child-proof closure for a container P P STEVENS JNR 2 Oct 1973 [2 Oct 1972] 46010/73 Heading B8T A child-proof closure 7 for a container 2 provided with engageable means such as slots 22 with abutments 21, comprises a top 8 a slip-on engageable or as shown screw-threaded sleeve 9 for securing with the neck 6 of the container having complementary threads, and a skirt portion 13 hingedly connected to the sleeve 9 via a flexible portion 14, the skirt portion 13 having engageable means such as teeth 23 for entering the slots 22 and abutting the abutments 21 of the container 2 when the closure 7 is screw-threadedly secured on to the container 2 and thereby acting as safety means for preventing the unscrewing of the closure 7, the flexibility of the hinged portion enabling the skirt portion 13 to be inverted to disengage the engageable means and permit removal of the closure 7 from the container 2. The engageable means may comprise one or more locking members on the closure and an equal number of co-operable abutments defining recesses on the container for engaging the locking members. Figs. 8 and 9 (not shown). The closure can be made tamper indicating by providing it with a removable flange (31) connected to the skirt portion via score lines (32) which are fractured by pulling a tab (33) Fig. 10 (not shown). In another embodiment, Figs. 12-13 (not shown) teeth 23 extending from the skirt portion (13) engage in recesses (37) provided on the shoulder of the container 2. In another embodiment the engageable means may be formed on a flange portion 62 extending from a frusto conical section of the skirt portion 60, for use in small containers having narrower necks, e.g. squeeze tubes. In the case of a closure of the slip-on type, the skirt portion extends from the top of the closure Fig. 20 (not shown). Also, closures of the screw-threaded types may have their skirt portions 73 extending from the top 71 of the closure.
Patent GB-1038038-A (GB)
Title: Improvements relating to thermally operable electric switches
IPC: H01H37/04
Filed: 1963-11-22
Abstract: 1,038,038. Thermal switches. AMF ELECTRICA S.p.A. Nov. 22, 1963 [Dec. 5, 1962], No. 46258/63. Heading H2B. A thermal switch and heating element assembly comprises a thermal switch body 11, with a projecting flange 12 abutting an inwardly directed flange 4 on a plate 1, a heating element 15 in juxtaposition with the switch body 11, and a base-plate 7 having projecting tongues entering notches in the plate 1 such that folding over of the tongues secures the plates together and completes the assembly (Figs. 1-5, not shown). The outer edges of the plates 1, 7, have coaxial holes for fixing screws which mount the assembly on apparatus (Figs. 1-5, not shown). The construction of heating element 15 is described in Specification 1,007,945.
Patent GB-1534511-A (GB)
Title: Electrophotographic plate
IPC: C07C305/02
Filed: 1975-11-10
Abstract: 1534511 Polymers comprising quaternary ammonium salt groups KONISHIROKU PHOTO INDUSTRY CO Ltd 10 Nov 1975 [16 Nov 1974] 46435/75 Heading C3P [Also in Divisions G2 and C2] Poly(2 - hydroxy - 3 - methacryloyloxypropyltrimethylammonium chloride) is prepared by dissolving the monomer in methanol and adding azobisisobutyronitrile. 2 - Hydroxy - 3 - methacryloyloxypropylpyridinium chloride - N - vinyl - 2 - pyrrolidone copolymer is prepared by dissolving the monomers in methanol and adding azobisisobutyronitrile and heating. Poly(beta - methacryloyloxyethyl diethylammonium methyl sulphate) is prepared by polymerizing the amine monomer in methanolic solution with azobisisobutyronitrile followed by quaternizing with dimethyl sulphate. Other copolymers of quaternary ammonium monomers are described.
Patent GB-1594615-A (GB)
Title: 1,2,4-oxadiazole derivatives their preparation and use
IPC: C07D263/57
Filed: 1977-11-08
Abstract: Compounds of the formula I <IMAGE> are prepared by reacting one mole of an appropriate carbonyl chloride with one mole of amide oxime, preferably in the presence of an acid acceptor in an inert solvent at temperatures between 20 and 200 DEG C. The symbols in the formula 1 have the meaning stated in Claim 1. The compounds of the formula 1 are, because of their ability to fluoresce, suitable for the optical brightening of synthetic, semisynthetic and natural macromolecular materials.
Patent GB-1069032-A (GB)
Title: Superheating of steam in nuclear reactors
Inventor: STRAAT MATTS VALTER
IPC: G21C3/36
Filed: 1963-11-25
Abstract: 1,069,032. Reactors. ATOMENERGI A.B. Nov. 25, 1963 [Dec. 4, 1962], No. 46551/63. Heading G6C. In a boiling water nuclear reactor, the superheating elements are protected from the corrosion effect of salts in the coolant, by the deposition of the salts from the steam during the flow of the steam through auxiliary heating elements prior to superheating. The steam is generated in a first set of elements and is then passed through a second set for superheating. In passing between the elements, the steam flows through a mechanical moisture separator and then through auxiliary heating elements which are mounted above each superheating tube. The auxiliary elements contain fissile material and are positioned outside the bore within the leakage neutron field.
Patent GB-1163947-A (GB)
Title: Formation of Chromium Containing Coatings on Steel Strip
IPC: C23C10/32
Filed: 1966-10-20
Abstract: 1,163,947. Sintered stainless steel coatings. BETHLEHEM STEEL CORP. Oct. 20, 1966 [Oct. 21, 1965], No. 47027/66. Addition to 1, 067, 126. Heading C7D. A sintered stainless steel coating is formed on steel strip by applying a powder containing a maximum of 0À25% carbon and at least 20% chromium, the strip containing a maximum of 0‹01% free carbon, and sintering in a protective atmosphere containing chlorine in a range between less than 0À25% down to not less than 0À10% volume of the atmosphere. The steel strip is filmed with tridecyl alcohol, passed through a fluidized bed of a ferrochrome powder and then rolled. Sintering is carried out in hydrogen containing between 0À25% and 0À1% volume of chlorine which is preferably introduced into the hydrogen during the heating up period. The flow of chlorine is discontinued during the second half of the sintering period.
Patent GB-472785-A (GB)
Abstract: 472,785. Type-bar-making machines. LINOTYPE & MACHINERY, Ltd. Nov. 24, 1936, No. 32154. Convention date, June 23. [Class 100 (iii)] Trimming type-bars.-Mechanism for surfacing the printing-faces of the slugs, comprising a rotary tool, is mounted on a movable part of the machine frame, such as the viceframe, instead of on the mould-slide or the fixed machine frame, as heretofore, in order to avoid vibration and to facilitate access to the machine parts. The shaft of the surfacing-tool c is mounted in a casing d, which also contains the motor for driving the tool. The casing d is mounted in a sleeve e, which has a globe-shaped front portion e<1> near the front end, so that it can be angularly adjusted within an outer sleeve f by means of setscrews p. The sleeve f is axially movable in a bearer g secured to the vice-frame y, and is urged towards the mould by a spring k, the motion being limited by contact of an adjustable pin m with an abutment n on the moulddisc slide b. The pin m is adjusted so as to hold the tool in correct position in relation to the mould.
Patent GB-1362499-A (GB)
Title: Semiconductor devices
IPC: H01L23/051
Filed: 1972-10-13
Abstract: 1362499 Semi-conductor devices GENERAL ELECTRIC CO 13 Oct 1972 [22 Oct 1971] 47387/72 Heading H1K A metal oxide varistor body connected across terminals of a semi-conductor device comprising at least one PN junction forms an integral part of an enclosure for the device. The varistor body which has an alpha of at least 10 in the current density range of 10<SP>-3</SP>-10<SP>2</SP> amps/cm.<SP>2</SP> is dimensioned so as to protect the device against overvoltages and voltage transients and stabilize it forward and reverse leakage currents and where the device is a thyristor it may also control its forward blocking voltage. It preferably consists of one of the sintered zinc oxide based materials described in Canadian Patent No. 831,691 which contain as additives bismuth oxide and one or more other metal oxides, the current through such materials being proportional to the 10th or higher power of the voltage. In several of the described arrangements the varistor body is cylindrical and forms the side wall, or a sleeve or coating on the interior of the ceramic side wall, of an otherwise conventional casing the ends of which are constituted by the head of a conductive bolt and a metal cap respectively. In variants of this (Figs. 6 and 7) the body forms the wall of an auxiliary enclosure within a conventional housing. The body may alternatively be a flat disc sandwiched between metal end caps (Fig. 5, not shown) or held between a metal cap and a resilient flanged ring mounted on the head of a threaded bolt (Fig. 8, not shown). Corrugations or fins may be provided on the varistor body to improve heat dissipation.