baber/WOPTO huggingface dataset:
Patent GB-855437-A (GB)
Title: Improvements in or relating to web changing apparatus
IPC: B65H19/18
Filed: 1958-07-18
Abstract: 855,437. Feeding webs. VERWALTUNGSGESELLSCHAFT DER WERKZEUGMASCHINENFABRIK OERLIKON. July 18, 1958 [July 19, 1957], No. 23172/58. Class 100(1) A web supply apparatus comprises support members 2, 3, a central shaft 1 extending between and mounted in the support members, at least two roll-receiving shaft members 4, 5 arranged parallel to the shaft 1 and supported by arms such as 6 rotatable about the axis of the shaft 1, and drive means for turning each member 4, 5 independently of one another about the shaft 1 to vary their relative positions between a roll-loading position, a webchanging position, and a web-unwinding position. When a roll 8 carried by the shaft 5 has almost expired a new roll 10 is brought into the position shown in Fig. 2, the roll 10 being accelerated by an electric motor (not shown) such that its circumferential speed approximates the linear speed of the web 9 from the roll 8. The web from the roll 10 is spliced by adhesive to the web 9. The arms 6 carrying the empty shaft 5 are then swung into loading position (Fig. 4 not shown) to receive a new roll. The rolls-are braked during unwinding by motors 65, 68, Fig. 6 (not shown). The roll-carrying arms are rotated about the shaft 1 by motors 13, 15, Fig. 6 (not shown). If desired the rolls may be supported by stub shafts in place of continuous shafts.
Patent GB-1189675-A (GB)
Title: Information Storage.
Inventor: LAMBERTS ROBERT LEWIS
IPC: G02F1/31
Filed: 1967-05-18
Abstract: 1,189,675. Diffraction gratings; information storage. EASTMAN KODAK CO. May 18, 1967 [May 18, 1966 (2)1, No.23181/67. - Heading G2J. The invention relates to a method and apparatus for recording digital data on photographic film 34 in the form of a plurality of superimpozed diffraction grating patterns. Coherent polarized light, preferably from a laser L, passes through a light modulator 11 and a polarizer 12 to a beam splitter 13. The modulator 11 e.g. a Kerr cell, a Faraday cell or a Pockels cell, selectively rotates the polarization of the laser beam, and if this beam is polarized in a plane 90 degrees from the plane of polarization of polarizer 12, no light will pass to the beam splitter 13, which light can thus be turned on or off at will. The beam splitter has seven partially reflecting surfaces a-g and a fully reflective surface h which give rise to a reference beam 14 and seven approximately equal data beams 15-21 which data beams each pass through one of the light modulators 22-28. All the beams are reflected by a prism 29 to form a composite interference pattern at an area 31 which is then imaged on to the film. The composite interference pattern is made up of the interference patterns of each data beam with the reference beam, the patterns of interference between pairs of data beams being negligible. The light modulators 22-28 may be used to rotate through 90 degrees the planes of polarization of any combination of the data beams so as to prevent the formation of their associated diffraction patterns in the composite pattern. In other embodiments, Figs.2-7, (not shown) combined Pockels cells (C) and birefringent plates (B) are arranged in various ways to split off and modulate the data beams. In these embodiments, the integrated intensity of all the beams falling on the photographic film (F) remains substantially constant.
Patent GB-1046686-A (GB)
Title: Masks with graded size holes
IPC: H01J9/14
Filed: 1965-06-01
Abstract: 1,046,686. Photographic printers. BUCKBEE-MEARS CO. June 1, 1965, No. 23195/65. Heading G2A. A method of, and apparatus for, photoprinting a pattern of graded size spots on to a sheet 22 of photosensitive material comprises the steps of covering the sheet with a mask 24 including opaque areas and a plurality of uniformly sized transparent areas defining the desired pattern, projecting uniform light of fixed intensity on to the sheet 22 through the mask and varying the exposure time of areas of the film according to the desired size of the corresponding spots. The sheet 22, mounted on a glass support 20, and the mask are rotated inside a light tight housing, a stationary light stop 30 having a slit 44 being provided between the mask and a light source 34 comprising a bulb within a rotating reflector 36. Alternatively, the stop 30 may be rotationally driven while the film and mask remain stationary. In another embodiment (Fig. 4, not shown) a stationary opaque light stop covers the stationary mask, the light stop having a variable aperture to effect different exposure times for different areas of the film.
Patent GB-889222-A (GB)
Title: Improvements relating to ceramic bodies
Inventor: BINNS DAVID BRIAN
IPC: C04B33/02
Filed: 1959-07-07
Abstract: A compact low expansion (+ 280 to - 30 X 10-8 over 20 to 500 DEG C.) thermal shock resistant ceramic body, for oven ware or electrical insulation, is made by mixing powdered amblygonite (e.g. 35-55% LiF.AlPO4) and clay (e.g. 30-65% ball and china clay) with or without alumina or alumina producing material (e.g. 0-30% Al2O3.XH2O), i.e. the latter being either calcined or as hydrate.  The mixture may be formed into workpieces and fired at 975-1225 DEG C.  The material formed has a crystal structure similar b -encryptite (Li2O.Al2O3. 2SiO2) in which some of the SiO2 is replaced by AlPO4.  Porous bodies may also be produced.
Patent GB-1072705-A (GB)
Title: Improvements in and relating to the polymerisation of unsaturated alcohols
IPC: C07C33/025
Filed: 1964-06-05
Abstract: Polyhydric, unsaturated alcohols are prepared by heating, at 200 DEG to 250 DEG  C., unsaturated fatty alcohols with more than one double bond and containing at least 12 carbon atoms in the molecule in the presence of 0.5 to 10% by weight of a microcrystalline aluminium silicate that in 1% by weight aqueous suspension has a pH of 6.5 to 9.5 and 1 to 3% by weight of water, the percentages being referred to the starting material to be treated.  It is preferred that the starting materials contain at least 5% by weight of the unsaturated fatty alcohol reactants, 0.01 to 5% by weight of the starting material of alkali metal bicarbonates or oxides, hydroxides, carbonates or bicarbonates of the alkaline earth or Group III metals may also be present during the heating.  If desired, the alcohol reactants may be converted, for example by treatment with alkali and subsequent distillation, into the isomeric conjugated alcohols before heating.  Monomeric alcohols present in the reaction product may be recycled after distillation from said product.
Patent GB-825984-A (GB)
Title: Welded isolated phase bus
Inventor: SCHYMIK WALTER H
IPC: H02G5/06
Filed: 1957-07-23
Abstract: 825,984. Supporting bus-bars; conduits. I.T.E. CIRCUIT BREAKER CO. July 23, 1957, No. 23323/57. Class 36. [Also in Group XXXV] A multiphase bus-bar arrangement wherein each bus-bar is physically and electrically separated from each of the others has each bus-bar enclosed by a sectionalized housing, each section being assembled in the factory whilst the bus-bar is inserted into the housing and the housing assembly completed on the site. Each prefabricated section of the housing comprises two portions 13, 14, the portion 13 being again in two sections 27, 28 connected together by a movable bellows 31. The section 13 has at its ends supporting rings 11, 12 which are welded thereto in the factory, the welds being indicated by the full black lines 29, 30. The expansible bellows 31 is made'from two shaped pieces 32, 33 of aluminium factory-welded, as shown at 34. The piece 32 is factory welded at 35 to the housing section 27, a stiffening-piece 37 being inserted to relieve the bellows 31 of mechanical strain. The piece 33 of the bellows is factory-welded at 36 to the housing section 28, there being an electrically-insulating member 38 between the housing section 28 and the stiffener 37 to prevent circulating currents in the bellows 31. Thus the bellows 31 allows relative movement between the two sections 27, 28 of the housing. After delivery to the site the bus-bar 10 is inserted into the housing wherein it is supported on insulators 15 adjustably carried in'the supporting rings 11, 12. After assembly on site the section 14 is welded to the support rings at 45, 46 by the hatched areas. Finally the housings are secured to cross-members 23, 24, the supporting rings 11 being insulatingly secured to members 23, whilst the supporting-rings 12 are directly secured to the members 24. If the housing need not be completely water-tight, inspection covers may be provided.
Patent GB-337068-A (GB)
Title: Improvement relating to closet and the like flushing cisterns
IPC: E03D1/14
Filed: 1929-07-30
Abstract: 337,068. Lambert, W. R. July 30, 1929. Siphon-discharge water-waste preventers, automatic.-A cistern is provided with means for causing a complete or partial flush as required, an independently operated, supplemental bellsyphon A, which is of smaller dimensions than the usual bell-syphon being provided to discharge a flush until the water level falls to the top of the cup 7. The flush passes to the main down tube 5 by way of a, small diameter tube 4. When a full flush is required the bell-syphon B is actuated by means of a lever 16.
Patent GB-207611-A (GB)
Title: Jug-like holder for a tin of evaporated milk or the like
IPC: B67B7/86
Filed: 1922-08-31
Abstract: 207,611. Webb, H. C., and Webb, A. A. Aug. 31, 1922. Holders for condensed milk &c. tins.-A juglike holder for a tin of condensed milk &c. comprising a body part a for receiving a tin c, having a spout a<2>, handle d, and leaf spring e for clipping the tin in position, is provided with a lid f having a depending rim to close over the body a except where it has to clear the spout and handle. A perforator comprising a pointed screw pin g' provided with a knob g is carried by the lid and arranged so that, on reversing the position of the lid, a pouring hole c<2> and vent hole c<3> may be perforated in the tin. To cover the spout and pouring hole when required the lid is provided with a sliding plate h, having a part h<2> to fit the spout, operated by a knob h<3> working in a slot which is covered by a plate f <6>. The holder is provided with a hole in its bottom so that the tin may be removed by hand pressure.
Patent GB-459279-A (GB)
Title: Improvements in and relating to mountings for engines in vehicles and the like
IPC: B60K5/12
Filed: 1935-07-26
Abstract: 459,279. Securing machinery. BORSIG MASCHINENBAU AKT.-GES., A., 19, Berliner Strasse, Tegel, and GEISSEN, C., 8, Badensche Strasse, Schoneberg, both in Berlin. Aug. 26, 1935, No. 23628 /36. Divided out of and addition to 456,187 under which a Specification was laid open to inspection under Sect. 91 of the Acts, March 6, 1936. [Class 80 (iv)] [See also Groups XXXI and XXVI] Comprises a constructional form of the parent invention in which the suspension links a-b, c-d, instead of being connected to the engine coaxially, are connected to the sides thereof, e.g. to the sides of the crank-case, by ball-andsocket joints.
Patent GB-237281-A (GB)
Abstract: 237,281. Goubeaut, M. C. A. July 18, 1924, [Convention date]. Two-stroke-cycle engines; cylinders, arrangement of ports and igniters in.-In an engine having pistons 1 working in hollow pistons 4 reciprocating in fixed cylinders 16, and in which the pistons 4 draw in mixture through valves 11 and force the same through channels 7 in the cylinder 16 and ports 8 in the piston 4, into the space between the two pistons 1, 4, the channels 7 are formed by a series of slots cut in a liner 14 fitted in the cylinder 16, the cylinder head enclosing the slot, on the outside. The explosion occurs between the pistons 1, 4 when the ports 8 come opposite igniters 36, and exhaust occurs through ports 9 in the piston 4 and passages 10. The pistons 1 and 4 are connected by rods to cranks at 180‹ so as to work in opposite directions. The piston oil pump is actuated by the valve cam.
Patent GB-594968-A (GB)
Title: Temperature and safety controls for gaseous fuel burners
IPC: F23N5/04
Filed: 1944-11-29
Abstract: 594,968. Controlling burners. MAY, P. (Robertshaw Thermostat Co.). Nov. 29, 1944, No. 23835. [Class 75 (i)] [Also in Groups XXIX and XXXV] In a burner control system the opening of the main gas valve 16 allows gas to pass to a pilot burner 12 and closes the primary circuit of an electric transformer 22, the secondary circuit of which includes two parallel meshes in series, one mesh comprising an electromagnetic valve 18 between the valve 16 and main burner 10 and a ballast resistor 30 having a positive temperature coefficient of resistance arranged adjacent the pilot burner 12 and the other comprising a current sensitive or constant resistor 36, bimetallic arms 40, 44 subjected to the temperature in the space heated by the burner and a constant resistor 38. On the pilot burner being ignited the resistor 30 will become heated and, provided the arms 40, 44 are in contact, sufficient current passes through the valve 18 to open it and allow gas to pass to the main burner 10 for ignition by the pilot burner. As the space becomes heated the arms 40, 44 separate, but sufficient current passes through the valve 18 to maintain it open until the arm 40 engages a contact 42 to complete a circuit to a constant resistance 52 in parallel with the resistor 30 and valve 18, when the valve 18 closes. A cut-out 50 opens the circuit of the valve 18 if the resistor 30 fails. Instead of passing current through the arm 44 it may be surrounded by a heating coil. The arm 44 warps away from and back to the arm 40 periodically when the arm 40 is in the " cold " position adjacent its stop 48, thereby shortening the closing time of the valve 18 upon failure of pilot flame. Specifications 572,130, 589,963 and 594,994 are referred to.
Patent GB-170716-A (GB)
Title: Improvements relating to ceiling roses, cut-outs, connectors, rosettes and similar electrical fittings
IPC: F21V21/02
Filed: 1920-08-17
Abstract: 170,716. Prentice, H. B. Aug. 17, 1920. Ceiling roses ; binding-posts and terminals.- A terminal socket or block d for connecting the end of a cable to the end of a. flexible lead and applicable to ceiling roses, cut-outs, &c., has three holes mutually at right-angles and cutting into each other; one f receives the cable, another e the flex, and the third a binding-screw g which clamps the two conductors together where they cross. A flexible separating-piece q of conducting material integral with or distinct from the terminal block mav be interposed between the conductors. The binding-screw may secure the block in the ceiling rose &c., as shown in Fig. 2, in which c represents an insulating partition and n, p a recess and an insulating peg respectively between which each terminal block is housed, the screws g passing through holes in portions m of the base b. The block d may be screwed by. a separate screw.
Patent GB-777304-A (GB)
Title: Process for improving polymers of acrylonitrile
IPC: C08F8/00
Filed: 1955-08-19
Abstract: The heat resistance of polymers of acrylonitrile containing basic groups is improved by treatment with hydrofluoboric acid or a watersoluble salt thereof.  The polymers may be copolymers of acrylonitrile with basic monomers such as 2-vinylpyridine, N-vinylimidazole, betamorpholino- or beta-dimethylaminoethyl-vinyl ether, beta-dimethylaminoethyl acrylate, betamorpholinoethyl methacrylate, N - gamma - piperidinopropyl acrylamide and bis-beta-dimethylaminoethyl fumarate, and the nitrogen atom in such copolymers may be in quaternary form following quaternization with dimethyl sulphate or methyl bromide.  Alternatively, basic groups may be introduced into copolymers of acrylonitrile with monomers containing reactive halogen, such as vinyl, allyl and methallyl chloracetates, vinyl bromide, beta-chlorethyl methacrylate, gamma-bromopropyl acrylamide or vinyl beta-chlorethyl ether, by amination with basic acting substances such as trimethylamine, morpholine cyclohexylamine, hexamethylene tetramine, thiourea or ethylene thiourea.  The copolymers may also contain hydrophilic components such as vinyl acetate, allyl alcohol, acrylamide and methacrylic ethanolamide.  The various treatments such as quaternization, amination and reaction with hydrofluoboric acid may be applied to the polymer either in finely divided form or in the form of films and fibres.  Following the treatment with hydrofluoboric acid films and fibres made from the polymers may be subjected to stretching and dyeing operations.
Patent GB-707005-A (GB)
Title: An improved process for the alcoholysis of glycerides
IPC: C11C3/04
Filed: 1951-10-15
Abstract: Alcoholysis of glycerides is effected by treating them in the anhydrous state with an excess of alcohol in the presence of a neutral esterification catalyst comprising a metal alkyl carbonate or metal alkyl sulphite which is separated from the products after reaction by cooling, the ester being recovered after removal of excess alcohol.  Esters of good colour are obtained.  The glyceride is preferably neutralized before alcoholysis.  In an example dehydrated coconut oil is treated with excess n-butanol in the presence of sodium n-butyl carbonate or sulphite, the cooled products are decanted from catalyst, the butanol distilled off in vacuo, glycerol removed by decantation and butyl esters of coconut oil fatty acids recovered.  The butyl carbonate or sulphite is made by passing CO2 or SO2 through butanol containing sodium.
Patent GB-1334758-A (GB)
Title: Article handling and identifying system
IPC: G06Q10/08
Filed: 1971-04-19
Abstract: 1334758 Check-out counters R C A CORPORATION 19 April 1971 [20 March 1970] 24179/71 Heading A4T Article-handling apparatus is applied to the check-out counters of supermarket stores 1 to n, Fig. 1 each store being provided with a scanning line concentrator 14 connected via reversing modems 18, 20 to a computer 16 and memory file 40 storing prices of articles, inventory status, availability of trading stamps, taxes on articles and the like. Customer 106, Fig. 2 places articles 52 on conveyor 50 driven by motor 56, Fig. 3 started on depressing a start button in register 112, the articles being carried up to the end of the conveyor which is stopped on the article interrupting light between a source 60 and photodiode 62. A checker 100 moves the article, which carries a human and machine readable label consisting eg of numerals superimposed on black and white annuli, across a slot 80 and into a bag 74. A light source, e.g. laser 82 has its beam reflected off rotating multifaced mirror 84 to scan slot 80, the reflection from the label being received by reader 86. Signals from the reader are fed through an electronic circuit containing a validity checker to the computer and file 40 and return signals print the price on tape 120 and indicate it on display 104, one of two loudspeakers 116 indicating whether the article has been properly scanned and the other whether the file 40 does not contain the number on the label, Each store has a teleprinter 26 communicating with the computer and file. The conveyor may be controlled manually, and very small or large articles are recorded manually on the register. The computer may operate a cash drawer, and a change and stamp dispenser.
Patent GB-819369-A (GB)
Title: Improvements in or relating to inflating device
IPC: B60S5/04
Filed: 1956-08-07
Abstract: 819,369. Inflation valves. NELSON, T. Aug. 7, 1956, No. 24188/56. Class 135. An inflation valve providing an outlet pressure 15 which is automatically limited to a value pre-set by a dial 67, secured to a screw 62 acting on the loading spring 60 of a diaphragm 32 subject to outlet pressure at 45 and controlling a valve 24 through which pressure from an inlet 14, 16 reaches the outlet 15, has an override dial setting beyond the maximum pressure setting in which the valve 24 is positively held open to supply full line pressure for rapid initial inflation of large tyres. The diaphragm 32 operates the valve 24 through a lever 29, fulcrummed at 30 in a spring-supporting diaphragm-head 31 and having a cam outer end engaging a snap-over blade spring 43. Outlet pressure 15 reaches the diaphragm chamber 45 through a leaky ball-valve 52 and snaps the lever 29 up to permit closure of the valve 24, when the set pressure is reached, the loading spring 60 snapping the lever 29 down to open the valve 24 before that stage. Inflation proceeds with a pulse action. The pressureset screw 62 acts on the loading spring 60 through and end-plug 61 having a downward extension 75, which, in the override setting, contacts the diaphragm head 31 to hold it positively down in the valve-open position. In Fig. 2, not shown, the extension 75 has a depending screw threaded in its bore and adjustable to vary the point of action of the override, the screw head being accessible through an aligned bore in the main setting screw 62. Apart from the override provision, the device is identical with-that of Specification. 698,819.
Patent GB-665048-A (GB)
Title: Improvements in or relating to a pencil sharpener
IPC: B43L23/08
Filed: 1949-09-21
Abstract: 665,048. Pencil sharpeners. MUSSGULLER, J., and LUTTGENS, W., (trading as KLEBES & CO., A.). Sept. 21, 1949 [Oct. 1, 1948] , No. 24219/49. Class 146 (iii). A pencil sharpener designed to avoid breaking off the point of the pencil during the sharpening operation comprises two conical bores 2 and 3 in one casing each provided with a blade 4, 5, the blades being interchangeable. In the bore 2 the wood only of the pencil is removed and the lead allowed to project beyond the bore into a recess 6 until it abuts against a stop 8. The bore 3 which is shorter than the bore 2 and closed at its end is used to sharpen the lead.
Patent GB-810682-A (GB)
Title: Improvements in apparatus for the insertion of damp courses in buildings
IPC: B28D7/00
Filed: 1956-08-08
Abstract: 810,682. Cutting stone. BROOKS, W. D. Aug. 8, 1957 [Aug. 8, 1956; Sept. 14, 1956; March 9, 1957], Nos. 24249/56, 28098/56 and 7847/57. Class 124. Apparatus for the provision of damp courses in buildings comprises a trolley supported on screwed spindles carrying castors and having an electric motor driving, through gearing, a horizontal cutter, the depth of cut being controlled by an adjustable fender mounted on the trolley. As shown, a trolley A<SP>2</SP> is mounted on castors a adjustable in height by means of screwed spindles a<SP>1</SP> and carries an electric motor A driving a rotary cutter B<SP>2</SP> through gearing B. The trolley also carries a fender C mounted on screws c the adjustment of which determines the depth of cut. The cutter may be replaced by a rotary abrasive disc. A guard C<SP>1</SP> may be moved into a position over the cutter when the latter is not in use. In a modification, Figs. 5-7 (not shown) the electric motor drives, through belts and an eccentric, a reciprocating cutter, e.g. a saw blade. The cutter is adjusted to remove the mortar between two courses of bricks in a wall and a damp course is inserted as the cutter moves along.
Patent GB-430779-A (GB)
Title: Improvements in and relating to a method of producing teeth on files or the like, having the teeth on plane or curved surfaces
IPC: B23D73/00
Filed: 1934-08-23
Abstract: 430,779. Chisels. HELLSTROM, A. W., 5, Obergogatan, Eskilstuna, Sweden. Aug. 23, 1934, No. 24306. [Class 61 (ii)] [See also Group XXII] A chisel 5 for use in cutting rotary or other files, has a point 6 which may be rounded. The chisel is reciprocated rapidly whilst moving slowly laterally.