baber/WOPTO huggingface dataset:
Patent GB-1486558-A (GB)
Title: Rotational moulding machines
IPC: B29C41/06
Filed: 1973-11-22
Abstract: 1486558 Rotational moulding JOHN ORME Ltd 21 Feb 1975 [22 Nov 1973] 54333/73 Heading B5A A rotational moulding machine, e.g. as described in Specification 1,302,381, in which a gas is supplied to the interior of a hollow mould mounted on a rotary mould carrier, has its gas supply means comprised by bores 29, 30, 31 in the main shaft 10 of the machine which is indexed about its axis to bring the moulds carried thereby, in turn, to loading, heating and cooling stations. With the moulds at one station, e.g. the heating station, gas is supplied thereto via one of the bores which are brought, in turn, opposite a gas supply head 420 reciprocable towards and away from the bore inlet by a pneumatic cylinder 411 whereby gas is fed to the bore. When the head is urged forward it seals against the bore inlet and gas, e.g. air is supplied to the head by a line 424.
Patent GB-1234869-A (GB)
Title: A numerically controlled machine
IPC: G05B19/4103
Filed: 1969-11-06
Abstract: 1,234,869. Programmed control of machines. INTERNATIONAL BUSINESS MACHINES CORP. Nov.6, 1969 [Nov.19, 1968; Jan.15, 1969; June 30, 1969], No. 54364/69. Heading G3N. A numerically-controlled machine is responsive to a stream of n time-spaced pulses and generates successive sub-streams of uniformly time-spaced pulses, each sub-stream containing less than npulses and being a function of a high-order part of the number n, selected ones of the sub-streams being varied in dependence on a low-order portion of the number n. As shown, a central processing unit 40 of a computer, not shown, which receives machinery data from a punch card or tape, is connected to an interpolator 38. The interpolator includes a  timing clock 42, and a register 44 and an accumulator 46 for each axis of the machine tool being  controlled. The centents of register 44 comprising a high-order digit of a position number is added to that of the accumulator 46 each time a gate 48 is enabled by a timing pulse. When the accumulator over-flows a pulse is generated on a line 50 and fed to the appropriate axis of the machine tool. The low-order digits of arc retained in the CPU40 and added to themselves at a proportionately lower rate and, when an over-flow accurs, a signal is sent to the interpolator 38 indicating that, for the next sequence of addition, the number in the highorder register 44 is to be incremented by one. Accordingly, additional over-flow pulses are fed to the controlled machine tool axis, resulting in the desired travel being effected by streams of n pulses interspersed with streams of n+1 pulses.
Patent GB-545867-A (GB)
Abstract: 545,867. Clay guns. ASHMORE, BENSON, PEASE & CO., Ltd., BROWN, W. R., and GRAVESON, N. A. Dec. 13, 1940, No. 11634/41. Divided out of 545,837. [Class 51 (ii)] A clay gun 4 is mounted on trunnions 10 sliding in guides 11 and supported by a link 12. The piston 5 is operated by a chain 14 driven by a sprocket wheel 15 and guided by a plate 30 over an idle sprocket 28. When the piston is moved to discharge the gun, the latter is first moved from the position shown in dotted lines downwardly so that its nozzle enters the tap hole and the clay is then discharged. The gun is maintained in position by a gravity catch. Specification 545,837 is referred to.
Patent GB-1404320-A (GB)
Title: Recording tape devices
IPC: G03B21/32
Filed: 1971-11-25
Abstract: 1404320 Guiding endless record tapes DEFENCE SECRETARY OF STATE FOR 24 Nov 1972 [25 Nov 1971] 54816/71 Heading G5R An endless tape 3 is wound on a hollow spool 2 and is withdrawn from the inner turn to a guide assembly 4 which directs the tape out of the spool hollow to a second assembly 5 outside the spool, the assembly 5 restoring the tape to a path wherein its edges are coplanar with the edges of the tape on the spool and further being adjustable in position. The two guide assemblies 4, 5 include, in addition to 45 degree-inclined bars 14, 18, horizontal rollers 15, 17 which alter the plane of the tape so that it travels parallel to the spool between the assemblies 4, 5. The assembly 5 further includes a vertical roller 19. The tape is wound on a circular array of rollers 12. The apparatus includes first and second drives 6, 8 flanking two transducers 27, 28, each drive comprising a plurality of wheels 22-25, 30-33 driven by belts 26, 34. The tape 3 is sandwiched between belt 26 and wheel 22, and between belt 34 and wheel 30, the latter wheel being driven slightly faster than the former. Drive is transmitted from a motor 9 by a belt-and-pulley system, Fig. 3 (not shown), which also has provision for application of an external drive at a slotted shaft (56). Two pulleys (43, 44) between the shaft (56) and motor pulley (40) are interconnected by a ratchet-and-pawl device (60, 61), Figs. 4, 5 (not shown), which is such that the pawls are rotated by a high-speed external drive and under centrifugal force become disengaged, against spring bias (63), from the ratchet wheel (60), thus isolating the motor 9.
Patent GB-1129589-A (GB)
Title: Mandrels for use in the production of tubes
Inventor: JONES ALEC JOHN
IPC: B21C3/16
Filed: 1965-12-24
Abstract: 1,129,589. Rolling mill details. T.I. (GROUP SERVICES) Ltd. 24 Dec., 1965, No. 54868/65. Addition to 987,512. Heading B3M. The mandrel and plug connection of the parent Specification is modified by providing a resilient plate 15 held in slot 13a by a pin or screw 16, the ends 15b of the limbs 15a of the plate holding the mandrel and plug together, and a roller 17 being provided for holding ends 15b in the required positions.
Patent GB-1170310-A (GB)
Title: Improved Water-Soluble Azo Dyestuffs and their Preparation
IPC: A23L1/275
Filed: 1967-12-01
Abstract: 1,170,310. Colouring matter, sugar preparations. ALLIED C H E M I C A L CORP. 1 Dec., 1967 fl Dec., 1966], No. 54875/67. Heading A2B. [Also in Division C4] Drv water-soluble azo dyestuffs, e.g. 1-p-sulpho-phenzlazo-2-naphthol-6-sulphuric acid, in crystal form and having an average length (i.e. the arithmetic mean value of the length of the crystals measured along their longest axis.) greater than 40 microns e.g. 40 to 120 microns, are crushed, sieved through a 200 U.S. Standard mesh sieve (aperture 74 microns) and blended with granulated sugar.
Patent GB-1444700-A (GB)
Title: Water-insoluble azo dyestuff and the preparation thereof
IPC: C09B67/00
Filed: 1974-12-19
Abstract: 1444700 Water-insoluble azo dyestuff CASSELLA FARBWERKE MAINKUR AG 19 Dec 1974 [20 Dec 1973] 54912/74 Heading C4P A dyestuff (I) has the formula and is characterized by a Debye-Scherrer X- ray diagram showing very strong X-ray diffractions at 3À83 and 3À72 Š. It is prepared by heating a dyestuff of identical formula, with a very strong X-ray diffraction at 4À01 Š, in an aqueous medium to a temperature of 60-160‹ C. (see Specification 1,123,108). This disperse dyestuff (I) may be used for dyeing hydrophobic synthetic materials such as cellulose acetates, polyamide, polyacrylonitrile, polyolefins and particularly polyesters, e.g. polyethylene terephthalate.
Patent GB-1222367-A (GB)
Title: Manufacture of highly-elastic tear-resistant polyurethane foams of relatively high density
Inventor: REUTER GOTTFRIED
IPC: C08G18/78
Filed: 1968-02-11
Abstract: 1,222,367. Polyurethane foams. ELASTOMER A.G. 11 Feb., 1968, No. 55070/67. Headings C3C and C3R. Polyurethane foams are prepared by reacting in a single step (1) a mixture comprising a linear polyhydroxy compound of M.W. 1000 to 3000, a glycol having a M.W. of below 500 as chain-extending agent, a water-soluble amine catalyst, and water with (2) a polyisocyanate which is the reaction product of an aromatic polyisocyanate and a carbodiimide. The polyhydroxy compound may be a hydroxylpolyester, a linear polymer of tetrahydrofuran or a linear copolymer of epsilon-caprolactone with an alkylene glycol. Suitable chainextending agents are ethylene glycol, propylene glycol or a butylene glycol. The catalyst may be a diethylene diamine, a triethylene diamine, trimethylamine or tetramethyl-1,3-butane diamine. The polyisocyanate/carbodiimide reaction product is suitably produced from 2 moles of an aromatic diisocyanate and 1 mole of a carbodiimide. In a typical example a linear polyester, tetramethylene glycol, silicone oil and an aqueous triethylene diamine solution are mixed and then reacted with a mixture of 80% diphenylmethane-4,4<SP>1</SP>-diisocyanate and 20% of diphenylmethane diisocyanate/bis-(2,6- diisopropylphenyl)-carbodiimide reaction product to form a foam.
Patent GB-1451358-A (GB)
Title: Limited  slip differential with paired roller pinions
IPC: F16H48/285
Filed: 1973-11-30
Abstract: 1451358 Differential gear ASPRO Inc 30 Nov 1973 [26 Jan 1973] 55600/73 Heading F2D A limited slip differential gear comprises helically toothed cylindrical side gears 20, 22, meshing respective ones of pairs of parallel meshing pinions 40, which have a running fit on their addendum circles in intersecting axial bores 36, 38, and 42, 44 in a unitary centre portion of a driving housing, the pinions developing predeterminable slip-limiting friction by radial thrust against the bores. As shown, the housing is entirely in one piece, the bores 36 being closed by discs 66 held by snap rings, and the side gears 20, 22 being introduced through rectangular windows (18), shown in chain lines, in which are disposed circular discs (48) carried by a diametral pin 52 which takes the thrust of the axial shafts, and on which slide slippers (58) having paired partcylindrical recesses forming an inner seat for the pinions 40. In Figs. 11 to 13, not shown, a one-piece centre-section is closed by separate end plates held together by axial screws.
Patent GB-1370790-A (GB)
Title: Czochralski-grown spinel and its preparation from nonstoichiometric melts
IPC: C30B15/00
Filed: 1971-12-09
Abstract: 1370790 Spinel R C A CORPORATION 9 Dec 1971 [19 March 19711 57350/71 Heading C1A [Also in Division B1] A spinel material comprising a single crystal of MgOÀXAl2O3 wherein the molar ratio X of alumina to magnesia is in the near stoichiometric region of greater than 1À0 to 1À05 with an intergranular boundary relationship wherein the low angle tilt and twist boundaries are both less than 0À50 is made by preparing a non- stoichiometric melt of high-purity alumina and magnesium in a molar ratio of Al2O3 to MgO of from 1À05 : 1 to 1À3 : 1, at a temperature of about 2100 C. and drawing the crystal from the melt using an oriented seed crystal, e.g. (111) or (100). From the so-formed single crystal, a wafer coated with a layer of epitaxial silicon is made by slicing the crystal at a desired orientation, polishing the surface, and depositing silicon to a depth of 0À5 to 2À0 microns, preferably by pyrolysis of a silane.
Patent GB-1450060-A (GB)
Title: Boat mooring
IPC: B63B21/00
Filed: 1972-12-15
Abstract: 1450060 Mooring S W PROCTOR and S C PROCTOR 14 Dec 1973 [15 Dec 1972] 58162/72 Heading B7S A boat mooring comprises an arm 2 in the form of a tubular steel shaft 6 having a ball joint 7a, 7b, 7c at one end the part. 7b carrying a plate which may be removably fitted to a boat B, and a second joint 8 at the other end of the shaft 6, caps 8b of which embrace a ball 9 sweated atop a vertical post 3 on a jetty or the like. The arm 2 allows vertical movements of the boat relative to the jetty due to rise and fall of the tide and to prevent swinging movement of the boat about the arm 2 stabilising ropes (not shown) may be provided secured to the bow and stern of the boat and to the post 3 or to auxiliary posts in a line with and at the same level as the ball 9, so that thei length remains constant with rise and fall of the boat. A compression spring 9 or telescopic shock absorber may be fitted to the boat end of the shaft 6, and variations in the desired position and/or size of the boat may be catered for by making the arm 2 of telescopic sections.
Patent GB-1151300-A (GB)
Title: Improvements in or relating to High Speed Internal Combustion Engines
IPC: F01L3/08
Filed: 1967-12-28
Abstract: 1,151,300. Making bearing surfaces. DR. ING. h.c.F. PORSCHE K.G. 28 Dec., 1967 [28 Jan., 1967], No. 58766/67. Heading B3A. [Also in Division F1] A method of surface treating parts of highspeed internal-combustion engines which are subjected to wear, comprises applying a molybdenum layer to such surfaces by plasma deposition. The surfaces so treated comprise valve stems, crank-pins and crank-shaft journals. A titanium alloy crank-shaft has a molybdenum layer 0À1-0À2 mm. thick deposited in recesses on the journals and crank-pins, the layer being subsequently ground to size. When applied to a valve stem, the deposited layer 11 is tapered in thickness towards its edges 12.
Patent GB-1375850-A (GB)
IPC: C07C15/08
Filed: 1971-12-21
Abstract: 1375850 Toluene disproportionation catalysts NIPPON OIL CO Ltd 21 Dec 1971 [28 Dec 1970] 59409/71 Heading B1E [Also in Divisions C1 and C5] Toluene is disproportionated in the presence, as catalyst, of halogen-containing crystalline aluminosilicate zeolite having a pore size of from 5 to 15 Angstroms, the halogen having been incorporated in the zeolite by a procedure wherein the zeolite is contacted, at a temperature of from 0 to 600‹C, with at least one partially or wholly halogenated hydrocarbon the halogen of which is fluorine and/or chlorine to provide zeolitic material having a halogen content of from 0.05 to 15 weight per cent. The zeolite preferably has a chabazitic, heulanditic, modenitic or faujasitic structure and may be in the hydrogen or decationised form or in the rare earth metal form or in a partial hydrogen or decationised/partial metal cationised form containing divalent or higher valent metal ions; specified zeolites are natural clinophilolite, natural mordenite, synthetic mordenite, zeolite X and zeolite Y. The zeolite further may contain Group IB/Group VIII metal, for example selected from silver, nickel, rhodium, palladium, osmium, iridium and platinum, in an amount such that the zeolite preferably contains, per 100 parts by weight of zeolite, from 0.1 to 10 parts by weight of Group IB metal or from 0.01 to 2 parts by weight of Group VIII metal and, if the zeolite contains Group IB/Group VIII metal, an additional element selected from arsenic, antimony, bismuth, sulphur and selenium, preferably in an amount to provide from 0.1 to 1 atom of such additional element per atom of Group IB/Group VIII metal. The zeolite may be associated with a bonding agent, for example bentonite. The halogenated hydrocarbon preferably contains from 1 to 6 carbon atoms; specified halogenated hydrocarbons are CH 2 F 2 , CH 2 Cl 2 , CHF 3 , CHClF 2 , CHCl 2 F, CHCl 3 , CF 4 , CClF 3 , CCl 2 F 2 , CCl 3 F, CCl 4 , CClF 2 CClF 2  and C 6 H 5 F. As exemplified, acid-treated natural mordenite is contacted with CHClF 2  (Example 1), acid-treated sulphided nickel-containing natural mordenite is contacted with CCl 4  (Example 2), selenided palladium-containing hydrogen-synthetic mordenite is contacted with CCl 2 F 2  (Example 3) and silver-containing hydrogen-zeolite Y is contacted with CH 2 Cl 2  and arsenided platinum-containing hydrogenzeolite Y is contacted with CClF 2 CClF 2  (Example 4).
Patent GB-1205346-A (GB)
Title: Connector
Inventor: KUO TED L C
IPC: H01R4/10
Filed: 1968-12-13
Abstract: 1,205,346. (Connecting elongate members in side-by-side relationship. THOMAS & BETTS CORP. 13 Dec., 1968 [14 Dec., 1967], No. 59515/68. Heading D1T. [Also in Division H2] A plurality of cables, wires &c. such as a pair of conductors 34, 36, are connected together by a sleeve connector 20 which is compressed by forces applied to opposite plane parallel sides 22, 24 resulting in the collapse of bellows-like side-walls 26, 28 as shown in Fig. 2. The connector may be used over a range of conductor diameters and for conductors of rectangular cross section. The sides 22, 24 may have panels removed to facilitate the insertion of solder or other filler materials to consolidate the connection. In other embodiments the sidewalls have panel portions at right-angles to sides 22, 24 in addition to bellows sections; or the panels may be arcuate, curving outwards. A soldering tag may be provided at one end of either or both the sides 22, 24. In a further embodiment each side-wall comprises a single arcuate panel curving inwardly to contact the conductors after compression. Strain-relief tabs may be provided as extensions of the sides 22, 24 at the conductor entry and exit regions.
Patent GB-1377224-A (GB)
Title: Bis-triazole compounds
IPC: C09B35/34
Filed: 1971-12-23
Abstract: 1377224 Bis-triazole derivatives SANDOZ Ltd 23 Dec 1971 [31 Dec 1970 14 Jan 1971] 60006/71 Heading C2C Novel bis-triazole compounds of the formula wherein A and B represent the atoms necessary to complete an aromatic carbocyclic or heterocyclic ring which may bear non-ionic substituents, and n is an integer from 1 to 6, are prepared either by (a) tetrazotizing a diamine of the formula coupling the resulting tetrazonium salt with one or two primary aromatic carbocyclic or heterocyclic amines which couple in the vicinal position to the amino group and oxidizing the resulting bis-(orthoaminoazo) compound; (b) esterifying 1 mol. of an aromatic dicarboxylic acid of formula or a functional derivative thereof with 1 mol. of an ortho-nitrophenol of the formula and 1 mol. of an ortho-nitrophenol of the formula  to give a bis-(ortho-nitrophenol) ester of the formula and reducing and condensing this ester; (c) acylating 1 mol. of each of the ortho-aminophenols of formulµ with 1 mol. of the aromatic dicarboxylic acid as described above or a functional derivative thereof, followed by condensation; (d) acylating 1 mol. of each of the ortho-aminohalogenobenzenes of the formulµ with 1 mol. of the aromatic dicarboxylic acid as described above of a functional derivative thereof, and condensing the product in the presence of copper or a copper compound; or (e) reacting 1 mol. of each of the triazole compounds of formulµ wherein Hal is chlorine, bromine, or iodine, m and p are integers from 1 to 5 and m + p is from 2 to 6, with a suitable metal. Examples describe the preparation of the novel compounds wherein the radical is one of the formulµ wherein R 1  is H or (C 1 -C 8 ) alkyl; R 2  is H or (C 1 -C 8 ) alkoxy, which radical occupies the 5 or 6 positions of the benzoxazole radical. The novel compounds may be used as optical brightening agents.
Patent GB-1272950-A (GB)
Title: Improvements in or relating to curtains
IPC: A47H13/16
Filed: 1969-12-12
Abstract: 1,272,950. Pleating curtains. WEBEREI CORDES & CO. Dec.12, 1969 [June 11, 1969], No.60686/69. Heading A4B. A curtain is formed with folds by locating adjacent one edge of the curtain material a stiff tape 1 preformed with transverse lines of weakening 2 to define the location of the folds and securing a support band 5 to the curtain material to retain the folds. The lines 2 may be defined by perforations. The tape material may be stiffened by starching. Pleats are defined by fold sections a-d of the tape and are inter-connected by sections e.
Patent GB-1179520-A (GB)
Title: Improvements in or relating to Feedback Amplifier Systems
IPC: H03H11/28
Filed: 1967-07-26
Abstract: 1,179,520. Negative feedback circuits. SIEMENS A.G. 26 July, 1967 [14 March, 1967], No. 61506/68. Divided out of 1,178,039. Heading H3T. An amplifier system terminated capacitively on both input and output sides, i.e. #E and #A capacitive, has a first resistive negative feedback path, comprising resistor R s , in series with both the input and output circuits of the amplifier and a second resistive negative feedback path, comprising resistor R p  in parallel with both the input and output circuits of the amplifier, wherein the resistance R p  of the second path is higher than the resistance R s  of the first path. It is shown in the Specification that the arrangement can produce input end output impedances for the amplifier W E , W A  respectively which contain components which are effectively inductive.
Patent GB-1213050-A (GB)
Title: Process for the simultaneous preparation of one or more tetrachloroethanes, trichloroethylene and pentachloroethane
Inventor: CORREIA YVES
IPC: C07C17/04
Filed: 1968-12-30
Abstract: 1,213,050. Chlorination process. PRODUITS CHIMIQUES PECHINEY - SAINT - GOBAIN. 30 Dec., 1968 [29 Dec., 1967], No. 61701/68. Heading C2C. One or more tetrachloroethanes, trichloroethylene and pentachloroethane are simultaneously produced by reacting 1,1 - dichloro - ethylene, which may contain cis and/or trans 1,2- dichloroethylenes in any proportion, with molecular chlorine in the absence of light and in the presence of a catalyst. 1,1,1 - Trichloroethane may be produced as a by-product.
Patent GB-1243269-A (GB)
Title: Improvements in or relating to nipple shields for nursing mothers
Inventor: LEVIN SCHNEIER SIMON
IPC: A61F13/14
Filed: 1969-12-18
Abstract: 1,243,269. Nipple cap. S. S. LEVIN. 18 Dec., 1969 [6 Jan., 1969], No. 61820/69. Heading A3V. [Also in Division A5] A nipple cap 2 comprises a first compartment adapted to accommodate a nipple, a second compartment adapted to accommodate milk absorbent material 5 and located, when worn, beneath the first compartment, and channels which connect and lead milk from the first to the second compartments. The cap is preferably double-walled over part of its surface, the double-walled region defining the second compartment or pocket 4, and may be formed from synthetic resinous material. The cap may be worn between a breast and a brassiÞre, and the cap's outside walls may include ventilation holes 8.
Patent GB-740622-A (GB)
Abstract: 740,622. Cam mechanism. COMPTOIR, LINIER and LATIEULE, Y. Nov. 27, 1952 [Dec. 4, 1951], No. 30095/52. Class 80(3) In a cam mechanism for obtaining a rotation about its own axis of a follower c upon a, relative translational movement between the axis and a reaction member comprising a series of mutually - fixed cam faces e, the follower comprises a number of superposed elongated paddle members c angularly spaced about its axis, and each cam face e is positioned to engage a respective paddle c. The paddles mave have various sectional shapes, the cams e being shaped according to the rotary motion desired and being arranged to engage their respective paddles successively to produce continuous rotation of the follower. In a modification the follower comprises a shaft at each end of which is disc carrying a pair of pins having different lengths so that they are successively engaged by four cams of the reaction member. The cams e may be shaped to give a stop period when no rotation is effected. It is stated that rolling engagement may be substituted for the sliding engagement between the reaction member and the follower.
Patent GB-2001387-A (GB)
Title: Internal combustion engine air intake temperature control systems
IPC: F02M31/06
Filed: 1978-06-22
Abstract: An air bleed valve responsive to carburetter intake temperature controls the degree of vacuum in the vacuum motor 8 which positions a valve 5 in an air cleaner intake conduit 1 to regulate the admission of warm air from inlet 3 for admixture with ambient air from inlet 2, a stop member 23 movable by a thermo-responsive device 16 in response to temperature changes in the ambient air being arranged so that when the ambient air is below a predetermined temperature, the stop member 16 prevents complete closure of the warm air inlet 3 by said valve, irrespective of the condition of the vacuum applied to the vacuum motor from the intake manifold of the engine. <IMAGE>
Patent GB-2026750-A (GB)
Title: Information display panel
IPC: B60R13/10
Filed: 1978-08-01
Abstract: A method of making an information display panel, especially a vehicle registration plate, comprising arranging characters cut from a thin opaque material loosely on a contrasting backing sheet and then adhering a sheet of transparent material to the backing sheet so that the characters are trapped in the required arrangement between the backing sheet and the transparent sheet, and are visible through the transparent sheet. <IMAGE>