baber/WOPTO huggingface dataset:
Patent GB-1383568-A (GB)
Title: Method and apparatus for cutting worm wheels
IPC: B23F11/00
Filed: 1972-08-16
Abstract: 1383568 Cutting worm wheels L H WAITE 16 Aug 1972 [3 Sept 1971] 38170/72 Heading B3K Apparatus for cutting worm-wheels comprises a master worm 20, and at least one master worm-wheel 58 in meshing engagement, means 27 for mounting a cutter 35 which corresponds in shape to worm 20, means 17, 18, 37, 38, for driving the cutter whereby the latter rotates concurrently with the master worm 58, means 52 for mounting a worm-wheel blank 61 for rotation concurrently with master worm-wheel 58,  and means 48 for feeding the master worm-wheel and worm-wheel blank towards the worm and cutter. A pulley drive 17, 18, is operated by a motor so that worm 20 is rotated at the required speed and cutter 35 is driven in one direction from the worm via gearing 37, 41, 38, and in the opposite direction through gearing 37, 41, 46, 38. The cutter 36 and worm 20 are mounted in a bracket 27 which is vertically adjustable, Fig. 2, by a hand wheel 31. A master worm-wheel 58 and a worm-wheel blank 61 are carried on a shaft (57), Fig. 5 (not shown), mounted in a block 52, and two such arrangements may be provided. The blocks 52 are supported on a block 48 so as to be laterally adjustable thereon by knobs 53 and block 48 is adapted to be moved along a guideway 47 by a hand wheel 49. A trimming tool 64 is provided for each blank 61. The frame 11 of the apparatus includes a transparent cover hinged thereto, and manual feed 49 may be replaced by a gear or belt drive.
Patent GB-868140-A (GB)
Title: Method of producing sheet and strip from iron alloys
Inventor: NOBIUS HANS-EBERHARD
IPC: C22C38/06
Filed: 1957-12-09
Abstract: 868,140. Making sheet; altering molecular structure. VEREINIGTE DEUTSCHE METALLWERKE A.G. Dec. 9, 1957, No. 38251/57. Classes 83 (2) and 83 (4). A method of producing a pronounced cubic texture in high grade magnetizable strip or sheet consisting of iron alloys containing between 0.5 and 2.5% silicon or between 0.5 and 2% aluminium, or a total content of 5.0mm aluminium and silicon of between 0.5 and 2.5%, in which the hot-rolled strip is, if necessary, heat treated, cold rolled in one or more stages with intermediate anneals, and finally subjected to a recrystallization anneal, is characterized in that the reduction of the sheet or strip by cold rolling is between 70 and 90% if a single stage is employed, or if cold rolling is carried out in two or more stages that the penultimate cold-rolling stage produces a reduction of between 75 and 90%, and wherein the number of passes in the last or penultimate cold-rolling stage is selected to be not more than 10 and the material is aged after the cold rolling and before it is subjected to the final recrystallization anneal at, e.g. 1200‹ C. The ageing is effected either at room temperature for 2 to 10 days and at 100‹ C. for 1 to 10 hours, or at elevated temperatures not exceeding 300‹ C. If ageing is not carried out immediately after cold rolling or immediately before the final heat treatment begins the strip or sheet is maintained at a temperature of 0‹ C. or less. Alternatively, after the cold rolling, the sheet or strip is stored for 2 to 10 days at a temperature between 35‹ and 20‹ C. and then subjected to the final heat treated. Specification 442,211 is referred to.
Patent GB-1027327-A (GB)
Title: Improvements in circular stocking-knitting machines and methods of operating same with oscillatory movement to produce heel or toe pockets
IPC: D04B9/20
Filed: 1964-09-18
Abstract: A three feed circular knitting machine knits at two feeds only, namely the second and third when referred to the direction of movement, during reciprocatory knitting of heel and tow pockets and has pickers which lift one needle each in front of each active stitch cam to the inactive level during each reciprocation for decreasing; and for increasing has a picker 16 Figs 3 and 4 (not shown) which lowers three needles, at the commencement of movement in either direction, from the non-knitting to the active level which works in conjunction with one of the earlier mentioned pickers, lying before the second active feed relative to the direction of rotation, to lift one needle only to the non-knitting level.
Patent GB-1124685-A (GB)
Title: Improvements in or relating to teleprinter transmitters
IPC: H04L13/16
Filed: 1966-08-26
Abstract: 1,124,685. Telegraphy. SIEMENS A.G. 26 Aug., 1966 [30 Aug., 1965], No. 38288/66. Heading H4P. A telegraph keyboard transmitter has means to add one or more extra code groups to the transmitter store when there is to be stored a code group, e.g. Carriage Return, whose execution at the receiver requires a greater length of time than that necessary for the majority of code groups. In one embodiment Fig. 1 (not shown), operation of the CR key results in the storage in a mechanical store of two CR code groups. In a second embodiment, Fig. 2 (not shown), the CR key causes the storage of the CR code group followed by Letter or Figure Shift as appropriate. Fig. 4 shows a combination of these two arrangements in which operation of CR key 16 causes the storage in drum 1 of the three character sequence CR, CR, Letter Shift or Figure Shift. Key 16 moves bar 17 to the Letter Shift position and pulls down lever 19. Lever 19 pulls down pawl 21 and also, by way of nose 18, releases catch 15 from levers 12, 13. The levers are urged anticlockwise so that the upper end of one or other abuts a member which is positioned in accordance with bar 17 and which is subsequently rocked by cam 11. As shaft 7 rotates arm 24 moves pawl 21 which disengages from lever 19, allowing 15 to relatch, and rocks lever 27 clockwise, so storing the CR code group in drum 1. Further rotation of shaft 7 restores members 24, 21, and 27 at the positions shown. Cam 11 now moves lever 12 or 13 (13 as shown) so that ratchet 4 advances the store. Now cam 38 moves lever 29 which via lever 27 causes the second CR code to be stored in known manner, following which cam 10 causes ratchet 3 to step the store again. Lever 29 also moves lever 31 via nose 34, so unlatching levers 12, 13 again. Catch 15 returns to the position shown since cam 10 causes pin 37 to unlatch lever 31. When the next character key is operated, the Letter or Figure Shift code is stored and cam 11 steps the store via ratchet 4 or 5. Cam 38 then causes the operated key's code to be stored and the drum is stepped via ratchet 3.
Patent GB-1177588-A (GB)
Title: Data Communication System.
Inventor: PATTERSON WALLACE NIXON
IPC: G06F13/00
Filed: 1968-08-12
Abstract: 1,177,588. Electric selective signalling. GENERAL ELECTRIC CO. 12 Aug., 1968 [1 Sept., 1967], No. 38542/68. Heading G4H. A number of data sources are arranged to transmit data to a central station in response to requests from the central station; the data to be transmitted being both analogue and digital, and means are provided responsive to a request for analogue data for transmitting both analogue and digital data. The system may be used to monitor and control a manufacturing process 17. The central station 10 communicates with a scanner controller 11 through communications coupler 20, modulator and demodulator units 21, 22 and a line 23, e.g. a telephone line. Analogue and digital signals from the process 17 are received by analogue input controller 12 and digital input controller 13. The output of controller 12 is an analogue signal, a selected one of a number of analogue signals received from process 17. It is applied to an analogue-to-digital converter 24, giving parallel coded signals on line 18 for transmission back to the central station 10. A peripheral buffer 14 is connected to a series of peripheral devices 25, e.g. typers, a record punch or a record reader. The buffer receives commands from the central station requesting information from, and passes information to the peripheral devices. Control signals are applied to the process 17 via multiple output controller 15 and timed output controller 16. Signals are transmitted from the central processor 10 to the communications coupler 20 in parallel mode, and then transmitted in serial mode to the scanner controller 11. Similarly the controller 11 receives data in parallel mode and transmits it to the central station in serial mode. The arrangement is such that when a request is received for analogue data, the scanner controller 11 first transmits data from the digital input controller 13, while the selected analogue signal from controller 12 is being digitized in converter 24, and then this digital value is transmitted. Digital signals are transferred in parallel mode to a shift register in the scanner controller 11 and are then shifted out by clock pulses and transmitted in serial mode to the central station 10. During transmission from the central station the successive bits are gated into the shift register and counted, the counter indicating when a full word has been received. An address circuit receives an address code from the shift register identifying the apparatus to which the information is addressed. The same circuit identifies with an address code the apparatus from which the returned information is sent.
Patent GB-1399625-A (GB)
Title: Psk communication systems
IPC: H04L27/227
Filed: 1972-08-18
Abstract: 1399625 Digital transmission; phase modulation POST OFFICE 18 Aug 1972 [19 Aug 1971] 38664/72 Heading H4P To resolve ambiguity in a four phase two channel PSK system resulting from carrier recovery circuits at the receiving end of a link locking on to a phase other than the reference phase, data in either or both quadrature channels may be inverted and/or data in the channels may be juxtaposed. The cause of phase ambiguity is not therefore corrected but the receiver circuit is adjusted so that data is rearranged to eliminate error. There are eight possible combinations of three error conditions and each combination uniquely identifies the phase ambiguity. The condition in each of the channels is monitored by detecting true or complement of two unique words which are each separately modulated on to the quadrature channels. Classification of phase ambiguity into three definable errors allows unique word detection to be applied to 4 phase PSK hitherto applicable only to 2 phase PSK. In the modulator Fig. 4a, unique words Au, Bu are inserted into quadrature channels 20, 22 and are periodically clocked by CT into data trains AT, BT derived either from separate sources or alternatively are alternate bits derived from a single source. Words Au, Bu may be replaced by a single word Du of length 2N. The remainder of the circuit is of known type. The receiver 4b is also basically of known type with components even numbers 54-70 and 76 added; decoder 44 additionally incorporates means for reversing the order of input data AR, BR. This is fed through gating means 58, 60 passing either normal or inverted data to decoder 44 and shift registers 62, 64 each having a length N = Au = Bu. Content of shift register 62 is monitored by correlator 66, which provides a +, O, - output dependent on Au, O, #Au respectively and similarly with 68 relative to Bu, Bu. The B channel operates in similar manner. Decoder matrix 78 responds to input signals to generate invert signals 72, 74 also provides a juxtaposing signal to 44. In an alternative embodiment Fig. 5 (not shown) data in A, B channels are combined prior to detecting words Au, Bu and their complements, which enables one each Au, Bu correlators to be eliminated. A, B channels are passed into a shift register (126) of length 2N having Au, BM correlators (108, 110) connected to alternate stages respectively. A decoding matrix (128) is described in connection with Fig. 6 (not shown).
Patent GB-1387787-A (GB)
Title: Bladed turbine rotor element and method of manufacture
IPC: F01D5/18
Filed: 1973-08-16
Abstract: 1387787 Casting rotor elements; cores GENERAL MOTORS CORP 16 Aug 1973 [11 Sept 1972] 38679/73 Heading B3F [Also in Division F1] A bladed turbine rotor element comprises a solid disc (3) having a rim portions (4) and an annular row of porous blades (6) integral with the disc, each blade having a porous aerofoil portion (12) projecting from the rim and a porous base portion (14) extending into the rim, the rim defining circumferentially-spaced air entrance ports (15) each communicating with the exterior of the disc and with the base portion of a blade. The bladed rotor element is unitarily cast in a mould cavity 25 having the form of the bladed rotor element, including pockets 27 which are of the form of the portion of the blade which projects from the disc rim. A blade core 28, Fig. 4, is disposed in each pocket, the blade core comprising a porous portion 30 having the form of the blade and a solid portion 31 having the form of the cooling air port (15). When metal is poured into the mould it penetrates the porous portion of the core, the core being subsequently dissolved out, so that the blade portion is full of small capillary passages which intercommunicate.
Patent GB-961840-A (GB)
Title: Improvements relating to metal-containing reactive azo dyestuffs and their use
IPC: C09B62/012
Filed: 1960-11-11
Abstract: The invention comprises metallized reactive azo dyes of formula <FORM:0961840/C4-C5/1> wherein W is a possibly substituted phenylene radical, R is hydrogen or a C1-4 alkyl radical, Z is an organic acyl radical containing at least one reactive chlorine or bromine atom (i.e. atoms which can be easily split off in an alkaline medium and are capable of reacting with the hydroxyl groups of cellulose fibre or with the amino groups of a polyamide fibre to form a covalent chemical bond), B is a naphthylene radical substituted in the 8-position and may be further substituted, Me is a heavy metal atom of atomic number 24-29 which in the case of the trivalent metals can be further complexly bound with a second identical or different reactive azo dyestuff molecule according to the invention, or with any other coloured or uncoloured complex former, q is 1 or 2 and n is 1 to 4.  The dyes are prepared by acylating a metallized aminoazo dye of formula <FORM:0961840/C4-C5/2> so as to convert the -NHR group into a -NRZ group.  Specified acylating agents include cyanuric chloride and bromide, 2,4,6-tri- and 2,4,5,6-tetra-chloro- or -bromo-pyrimidine, 2,6 - dichloro- or -dibromo - pyrimidyl - 4 - carboxylic acid chloride, 5-bromo- or -methyl-2,4,6-trichloropyrimidine, 2-amino- or -ureido- or -phenylamino- or -(21-sulphophenylamino)- or -methoxy - 4,6 - dichloro - 1,3,5 - triazine, b -chloro- or -bromo-propionic or -crotonic or -acrylic acid chloride, m-(b -chloroethylsulphamyl)-benzoyl chloride and chloromaleic acid anhydride.  Alternatively, the dyes may be prepared by treating a reactive azo dye of formula <FORM:0961840/C4-C5/3> wherein Y is a hydroxyl group or a group or atom which is readily replaced by a hydroxyl group under metallizing conditions, with a metallizing agent introducing a metal atom of atomic number 24 to 29 which in the case of trivalent metal atoms may be a complex salt of the metal atom with a coloured or uncoloured complex former.  The dyes may be used to dye and print wool and nylon and natural and regenerated cellulose fibres in blue to black shades. The dyeings on cellulose fibres may be fixed by treatment with an acid-binding agent.  Examples describe the preparation of the dyes.  Reference has been directed by the Comptroller to Specifications 660,447, 822,047, 847,635, 848,742 and 852,911.
Patent GB-1007700-A (GB)
Title: Artificial christmas tree
IPC: A47G33/06
Filed: 1964-09-23
Abstract: 1,007,700. Artificial Christmas trees. W. HIRSCHMANN. Sept. 23, 1964 [Sept. 24, 1963], No. 38876/64. Heading A4X. In an artificial Christmas tree, vertically spaced sets of branches c are fastened to a trunk made of separable components f, g, each set of branches c being fitted into eyelets e<SP>1</SP>, e<SP>2</SP> in an initially flat supporting band a which is formed into a ring for fitment to the trunk. The supporting band a may be of sheet metal having the eyelets e<SP>1</SP>, e<SP>2</SP> pressed out on both sides between incisions d, the eyelets being subsequently compressed to firmly retain the branches c. The ringed band a is fitted between a core rod f and a sleeve g, the lower end of which extends to within a subjacent sleeve g and the upper end of which receives the lower end of a superposed sleeve g. The sleeve g may be conical, as shown, or may be stepped to make its upper end larger than its lower end. When fitted the branches c are bent about the sleeve rim h to the desired position.
Patent GB-1451870-A (GB)
Title: Catalyst and process for preparing ethylene oxide
IPC: C07D303/04
Filed: 1974-09-05
Abstract: 1451870 Oxidation catalyst NIPPON SHOKUBAI KAGAKU KOGYO CO Ltd 5 Sept 1974 [7 Sept 1973] 38880/74 Heading B1E [Also in Division C2]  A catalyst for the oxidation of ethylene to ethylene oxide contains combined oxygen, silver, at least one of tin and antimony, at least one of thallium, potassium and calsium, and optionally barium, the metallic elements being present in the atomic ratio Ag:X:Tl:K: Cs:Ba (where X is at least one of Sn and Sb) of 100:0.001 to 0.15:0 to 0.1:0 to 0.1:0 to 0.1:0 to 100, subject to the proviso that T1+ K+Cs is not zero. The catalyst may be supported, e.g. on fused alumina, aluminosilicates or silicon carbide and suitably on a carrier of surface area not greater than 1m<SP>2</SP>/g; an average particle size of 5 to 8mm, an average pore diameter of 10-300 microns and a porosity of 20-45%. The catalyst may be applied to the carrier by impregnation or coating. using sulphates, oxides or lactates of the elements. The catalyst may be used in combination with a halogen-containing compound, eg ethylene dichloride or diphenylchloride, as inhibitor.
Patent GB-1268067-A (GB)
Title: Control circuit for starting and operating a gas discharge tube
Inventor: HALFORD RICHARD JOHN
IPC: H05B41/282
Filed: 1969-08-05
Abstract: 1,268,067. Starting and operating discharge lamps. ALADDIN INDUSTRIES Ltd. 22 July, 1970 [5 Aug., 1969], No. 39153/69. Heading H2H. A circuit for starting and operating a gasdischarge lamp comprises a transformer T having starting and operating secondary windings S 1 , S 2 , respectively connected in series across the gas-discharge tube D, a by-pass portion comprising a thermistor R and inductance L 1  connecting the operating winding directly across the tube; an inductance L 2 , of higher value than L 1  is in series with the starting winding S 1 . In use, the transformer is connected to an A.C. source I of the type in which frequency increases with load current, and a high voltage is produced across the starting coil S 1  to initiate a discharge. As the tube D draws more current, the resistance of the thermistor. R decreases so causing more current to be drawn via the by-pass portion and coil S 2  which then supplies the operating voltage. The current is stabilized by the inductance L 1  and the current drawn from the starting winding S 1  is further reduced by the increase in reactance of inductance L 2  owing to the increase in frequency with current from the source I.
Patent GB-989296-A (GB)
Title: A method for the preparation of ceramic semiconductive glazings
IPC: H01B1/08
Filed: 1961-11-02
Abstract: In the production of a semi-conducting glazing, in which the semi-conducting materials are spinel compounds of metal oxides, the formation thereof is influenced by finely divided silver or by dissolving a silver compound in the glazing in a quantity from 0.001% to 0.1% Ag of the glazing mix.  Basic glazing is given in molar composition 0.7 CaO or MgO; 0.3 K2O or Na2O; 0.5-1.2 Al2O3; 5-12 SiO2. The final glaze consists in weight percentages of basic glazing 75-85; Fe2O3 10-20; Cr2O3 0-6; MnO2 0-5; CuO 0-5; NiO 0-5; Sb2O3 0-3; Ag 0.001-0.1. Specification 908,015 is referred to.
Patent GB-995144-A (GB)
Title: Improvements relating to tubulous boilers
IPC: F22B21/00
Filed: 1961-11-03
Abstract: 995,144. Water-tube steam or hot-water boilers. BABCOCK & WILCOX Ltd. Nov. 2, 1962 [Nov. 3, 1961], No. 39497/61. Heading F4A. In a hot-water or steam boiler comprising a cylindrical refractory-lined casing 7 within which is coaxially mounted a duct 1 through which solid fuel passes by gravity from a bunker 4 to a combustion chamber 2, gases from the chamber flow upwardly in an annular pass 12 surrounding the fuel duct to an outlet 46, the pass being lined with wall tubes 15, 14 respectively at its outer boundary and at its inner boundary which is the wall of the fuel duct. The tubes 14, 15 extend between ring headers 21, 22, their lower portions lining the combustion chamber. The tubes 15 extend vertically along the casing wall to the upper header whilst the tubes 14 are bent inwardly to the duct 1 to form a screen 16 and outwardly therefrom to form the floor of the bunker 4 to the upper header. The upper header which also serves as a separator is connected by horizontal pipes 27 and by steam discharge tubes 28 to a drum 24 having a steam offtake 32. Downcomers 33 and circulators 25 respectively connect the drum and the header 22 to the header 21. In the gas pass 12 is a bank 35 of sinuous heating tubes which are connected to the tubes 14, 15 above and below restricting orifices 37. Air for combustion is supplied to the chamber 2 which is operated under pressure through pipes 42 leading from a windbox 40.
Patent GB-828672-A (GB)
Title: Improvements in or relating to bowls or buckets of earth digging and/or transporting units
IPC: E02F3/64
Filed: 1957-12-19
Abstract: 828,672. Earth-moving apparatus. HOLOPAINEN, P. V. Dec. 19, 1957 [Jan. 5, 1957], No. 39550/57. Class 68(1) Within the bowl 1, 2 of a bowl type earth-moving scraper or within a drag line scraper bucket is mounted an L-shaped plate 5, 6 which having been filled with earth passing into the bowl or bucket over the digging lip 3 thereof is tilted about pivots 7 rearwards through 90 degrees. Spaced above the base of the plate 5, 6 during the filling operation is a plate 8 on which the earth rests as it is loaded into the plate 5, 6. The front of the bowl or bucket is then filled with earth. The loaded bowl or bucket is emptied by moving the plate 5, 6 towards the digging lip 3 whilst maintaining the plate 8 stationary. This results in the plate 5, 6 pushing the earth out of the front of the bowl or bucket, whilst the earth previously resting on the plate 5, 6 drops through openings 9 in the bottom of the bowl or bucket.
Patent GB-1004887-A (GB)
Title: Self sealing pipe coupling
IPC: F16L37/32
Filed: 1963-10-08
Abstract: 1,004,887. Pipe couplings. NEW YORK AIR BRAKE CO. Oct. 8, 1963 [April 18, 1963], No. 39566/63. Heading F2G. Valve means in each half of two like coupling members 11, 11<SP>1</SP> comprise a valve head 25 spring loaded and slidable longitudinally on a thrust rod 24 fixed to a spider 23, a sleeve 17 surrounding the valve head, which sleeve is longitudinally movable in a body 13, and has a conical seating 22 sealingly engaging with a conical surface on the valve head 25, when the coupling is disconnected. The sleeve 17 contains a sealing ring 21 in the surface contacting the corresponding sleeve in the other coupling member. Operation.-In the disconnected state the outer surfaces of the sleeve 17, the valve head 25 and the thrust member 24 are coplanar. As the coupling halves are brought together a spring-loaded locking sleeve 15 on the members 11, 11<SP>1</SP> is pushed backwards as hooked prongs 14 on one coupling half engage projecting bosses 20 on the opposite sleeve 15. When the prongs are inserted camming surfaces of the hooks and bosses rotate the coupling and allow spring 16 to return the locking sleeve 15 so that the bosses 20 lock the coupling. Meanwhile the ends of the sleeves 17, 17<SP>1</SP> sealingly engage and cause each sleeve to retract and the fixed thrust rods engage the opposite valve heads to open the valves. When the coupling is completely made the sleeves 17, 17<SP>1</SP> will have moved half the distance that the valves have moved to open a flow path as shown. If fluid under pressure flows through the coupling the seal between sleeves 17, 17<SP>1</SP> is enhanced. Specification 961,819 is referred to.