baber/WOPTO huggingface dataset:
Patent GB-1094368-A (GB)
Title: Light-sensitive copying material
IPC: G03F1/56
Filed: 1965-12-29
Abstract: 1,094,368. Photographic process. KALLE A.G. Dec.29, 1965 [Dec.30, 1964], No.55094/65. Heading G2C. A light-sensitive material comprising a hydrophilic support carrying a coating containing a light-sensitive monomeric vinyl compound, a photo-sensitive organic halogen compound and a polymerization inhibitor is imagewise exposed, and developed by treating with an aqueous solution of a dye. Specified vinyl compounds are those having a vinyl group attached to an aromatic ring, and such compounds may be used in conjunction with one of a number of other vinyl compounds which include N-vinyl compounds wherein the vinyl group replaces an acid hydrogen atom, e.g. amides; α-#- unsaturated acids and derivatives thereof; vinyl-halides; and dienes. Many halogen compounds are exemplified. Suitable polymerisation inhibitors, which may be present as 0À0001-3% by wt., include organic amino compounds, aromatic hydroxy compounds, carboxylic acids, sulphur compounds, ferrocenes, benzoin, benzil and benzophenone. The support, which may be coated paper, hydrophilic plastics or coated plastics, may be pre-coated with a mixture of a water-wettable pigment and a binder. Various inorganic pigments and undissolved starch are specified as pigments. The aqueous dye solution may contain an anti-wetting agent. The exposed material may be optionally pre-heated before development. The dye is preferably coloured in neutral or basic conditions but not in acid conditions.
Patent GB-1450056-A (GB)
Title: Optical dimension measuring apparatus
IPC: G01B11/04
Filed: 1972-12-01
Abstract: 1450056 Photo-electric measurement of dimensions DAVY INSTRUMENTS Ltd 30 Nov 1973 [1 Dec 1972] 55478/72 Heading G1A A method of determining first and second mutually perpendicular cross-sectional dimensions of an elongate workpiece comprises repeatedly scanning a narrow beam of light from a single source, directed in turn perpendicularly to each dimension, at a known speed and in the same sense in a direction parallel to that dimension; measuring the time during each scan when the light impinges on the workpiece; and determining, from a plurality of scans in each direction, the corresponding dimension. A narrow laser beam 1, directed by a fixed mirror 2 towards a uniformly rotating polygonal mirror 3, is thus caused to sweep in turn the two perpendicular faces of a prism 4, whence it is directed alternately via optical systems 5-7-9 and 6-8-10 along successive paths spanning areas identified a, b, c, to scan a workpiece placed in a zone 12. Further optical systems 9'-14-15 and 10'-16-17 direct the two scanning beams to respective photo-cells 19, 20. In a modification, Fig. 2 (not shown) a square block (25), having a diagonal transmission/ reflection screen and placed at the intersection of the two beams reflected from the respective mirrors (5, 6), splits each beam, causing it to scan the zone (12) simultaneously in the two mutually perpendicular directions, and causing successive scans to occur in opposite senses, so providing some selfcompensation for any errors due to motion of the workpiece. The obturation signals from each photo-cell 19, 20, Fig. 3, open at gate 24 to pulses from a crystal clock 26 which also controls the frequency of a supply driving a synchronous motor coupled to the polygonal mirror 3. The mean count from a plurality of scans in each direction is decoded to provide a numerical display 32 of the corresponding dimension.
Patent GB-563656-A (GB)
Abstract: 563,656. Controlling gas flow in internal-combustion engines. NESFIELD, A. C. Jan. 19, 1943, Nos. 970 and 8735. [Class 7 (vi)] A two-stroke internalcombustion engine has a main exhaust port (or valve) and a positively-controlled auxiliary exhaust poppet valve in series with the main port and arranged to close immediately after the first surge of exhaust gases from the cylinder and prevent return flow back into the cylinder. The resulting low pressure in the cylinder is utilised to assist in re-charging the cylinder, the inlet being opened immediately after the closing of the exhaust valve. In Fig. 1, the exhaust ports 12 communicate with a conduit 14 and the auxiliary poppet valve 17 is operated by a rocker 18 pivoted at 19 and actuated by a cam 20. The valve 17 is opened before the ports 12 are uncovered by the piston and after ports 12 have been opened it is quickly closed when the cam reaches the steep descending part 21. The inlet ports 13 are then opened, thus allowing quick inrush of the charge into the cylinder. In a modification, the main inlet and exhaust ports.are formed in a sleeve valve having reciprocating and/or rotary movement. In this form the exhaust ports are adjacent the cylinder head. As before, the auxiliary poppet valve is closed immediately after the opening of the exhaust ports. In another modification, Fig. 3, a poppet inlet valve 31 is actuated from 'a cam 37 through push rod 36 and rocker 35. The exhaust port 12 is controlled by the piston 11 and the auxiliary poppet valve is operated by a cam on shaft 40. The cam 20 is driven from the crank-shaft through gears 38, 42 and 41, and in order to provide fine adjustment of the timing of the cam-shaft 40 the wheel 41 is slidably keyed to a bush 44 having a pin engaging a helical groove in the shaft, the bush being moved axially by a hand wheel 48 acting through screw-and-nut 50 and lever 52. In a modification, Fig. 5, this timing is varied automatically according to engine speed. For this purpose the wheel 41 drives a wheel having a flared part 62 engaging a number of balls 65 moving in radial grooves in a spring-pressed plate 63. As the speed increases the balls move outwards to impart axial movement to the plate and actuate a lever 67 which operates the bush 44. The cam 37 may also be driven through a timing device of either of the forms described above. The timing may be such that the main exhaust ports open about 120 degrees after top dead-centre and continues for about 30 degrees of crank movement at which point the auxiliary exhaust valve closes. At about the same moment the inlet valve opens and continues open until bottom dead-centre. In some cases the inlet opening may overlap the exhaust opening by about 5 degrees.
Patent GB-1147915-A (GB)
Title: Rotary abrasive device
Inventor: BLOCK ALECK
IPC: B24D9/00
Filed: 1967-12-12
Abstract: 1,147,915. Abrasive tools. MERIT PRODUCTS Inc. 12 Dec., 1967 [16 Oct., 1967], No. 56439/67. Heading B3D. A rotary abrasive device comprises a cylindrical housing 10 supporting a plurality of radiallyextending brushes 46 adjacent respective longitudinal slots 20 through which abrasive ribbons 16 extend, the inner ends of the ribbons being attached to a polygonal reel sleeve 14 which fits over a core 24 having a plurality of lugs 26 extending radially therefrom into the corners of the polygonal sleeve, the core being rotatably adjustable with respect to the housing 10 to adjust the length of ribbon extending from each slot. As described, the reel sleeve 14, which may be of cardboard, is square and two ribbons of abrasive are attached by staples 18 to each face. Each ribbon, when the device is assembled, extends through a separate slot 20 so as to be backed by a brush 46 having bristles bonded in a base 48 received in a holder 42 adjacent the slot, a spring 50 locking the base in the holder. One end of the housing is closed by an end wall 12 whereas the other end can be closed by a disc 28 which has a knurled periphery and to which is attached the core 24 formed with four lugs 26 for fitting into the corners of the reel when assembled. A spindle 30 is mounted within the housing 10 and has a threaded end which extends through the disc and is engaged by a knurled nut 34. The lower ends of the lugs have projections 58 which engage in slots 56 in the wall 12 of the housing and provide means for indexing the core and reel relative to the housing when the nut 34 is slackened and the disc rotated to feed out the abrasive ribbons 16 as they wear. The housing is formed with a hub 36 whereby the device can be mounted on a shaft.
Patent GB-1111760-A (GB)
Title: Voltage to time-interval converter
IPC: H03K7/04
Filed: 1966-12-16
Abstract: 1,111,760. Pulse modulation systems. MONSANTO CO. 16 Dec., 1966 [30 Dec., 1965], No. 56532/66. Heading H4L. [Also in Division G4] A comparator 28 has one input connected to a ramp-voltage generator 23, 24 and the other input connected via a D.C. amplifier 50 and switch 40 to a reference voltage tapped off potentiometer 56, comparator 28 providing a first pulse to set flip-flop 60 when the ramp voltage equals the reference voltage amplified at 50, and switch 40 being changed over in response to the setting of flip-flop 60, whereby the analogue input is coupled to comparator 28 via amplifier 50, and comparator 28 produces a second pulse when the ramp voltage equals the amplified analogue input voltage. The first and second pulses define a time interval representing the analogue voltage, and flip-flop 60 is used to gate clock pulses to counter 15 during this interval. Counter 15 is momentarily reset by circuit 17 a predetermined time after counting starts, and the ramp voltage is arranged to pass through zero at this time (the reference voltage being negative) so as to compensate for the switching time of switch 40. The effects of drift of ramp generator 23, 24 and amplifier 50 are eliminated since, in each case, both the first and second pulses from comparator 28 are shifted in time by the same amount.
Patent GB-1405607-A (GB)
Title: Conveying and mixing apparatus particularly for powdered and or particulate masses
IPC: B01F7/08
Filed: 1972-12-07
Abstract: 1405607 Continuous cement mixers STABILATOR AB 7 Dec 1972 [10 Dec 1971] 56566/ 72 Heading B1C [Also in Division B8] A continuous discharge cement mixer comprises a mixing screw 10 supplied with ballast from container 6 by screw conveyor 8 which has smaller pitch and diameter than, and shares a conveyor drive shaft 11 with, the screw 10; cement is added from a container 7 by a screw conveyor 9 and the apparatus is so dimensioned that the mixing screw is only partly filled, whereby a rolling tumbling action is given to the mix. The flight of the mixing screw is imperforate and is inclined to the shaft (as is that of the screw 8) by an angle # which may be up to 3. The diameter D of the screw 10 is greater than that D 1  of the screw 8 preferably in the ratio 1.35:1 and their pitches S, S 1  are preferably in the ratio 2:1. The length of the screw 10 is preferably not less than six times the pitch S and it may have pegs or flanges to improve mixing. The shaft 11 on the conveyor 9 may be driven by separate power sources (16, 18, Figs 3 and 7, not shown); they may be interconnected by gearing. There may be a variable speed control (17) for the conveyor 9. The mixing trough may have a replaceable rubber lining (21, Fig 6, not shown) in the region of the mixing screw; the containers 6, 7 may have a plastics internal coating and be equipped with mechanical or pneumatic vibrators. The apparatus, as shown, feeds a concrete sprayer 4 supplying a nozzle (5, Fig 1, not shown) where water is added, and the conveying capacity of the screw 10 is preferably equal to the capacity of the sprayer. The apparatus may be mounted in a vehicle 1, and in use the mixing trough may be inclined so that the outlet is below or above the horizontal within a range of -10 to +30.
Patent GB-1167258-A (GB)
Title: Process for preparing a Carboxylic Acid Ester of a Hydroxy Aromatic Compound
IPC: C07C67/055
Filed: 1967-12-14
Abstract: 1,167,258. Carboxylic acid esters of aromatic hydroxy compounds. GULF RESEARCH & DEVELOPMENT CO. 14 Dec., 1967 [19 Dec., 1966], No. 56803/67. Heading C2C. Carboxylic acid esters of aromatic hydroxy compounds including a heterocyclic aromatic compound, wherein said hydroxy group is on the aromatic nucleus are obtained by heating an aromatic compound with a catalyst selected from Fe, a noble metal or compounds of these metals, in the presence of NO 3 - ions or species convertible to nitrate ions and a carboxylic acid. Examples are given for the production of phenyl acetate, α- and #-naphthyl acetate, o- and p-chlorophenyl acetate, methyl m- or p-acetoxy-benzoate, o-, m- and p-tolyl acetate and phenyl propionate.
Patent GB-1241490-A (GB)
Title: Electric cell
IPC: H01M6/04
Filed: 1969-11-21
Abstract: 1,241,490. Primary electric cell. FMC CORP. 21 Nov., 1969, No. 56986/69. Heading H1B. A primary electric cell comprises a zinc, zincbase alloy, magnesium or magnesium-base alloy negative electrode and a positive electrode in contact with a depolarizer which is an ionizable peroxymonosulphate, preferably of K<SP>+</SP>, Na<SP>+</SP>, Li<SP>+</SP> or NH 4 <SP>+</SP>. The chemical attack of the depolarizer on the anode can be stopped by using a diaphragm, e.g. a cation exchange membrane, and also by adding up to 30% by weight an ionizable phosphate to the peroxymonosulphate depolarizer, e.g. ortho-, pyro- and per-phosphates such as peroxydiphosphates, and polymeric phosphates such as tripolyphosphates. The cells may thus be used with or without a cell diaphragm. Conventional additives may be added to the depolarizers. The cell is of the deferred action type and water or a conducting liquid such as an aqueous solution of KCl may be added to the solid depolarizer in the cell, which depolarizer may be surrounded by a cylindrical cation-exchange membrane. The electrodes may be placed directly into a solution of the depolarizer, or a carrier, e.g. paper, impregnated with the depolarizer may be wetted before or after insertion between the electrodes.
Patent GB-1399878-A (GB)
Title: Process for the bio-exidation of nitrogen deficient waste materials
IPC: C02F3/34
Filed: 1972-12-11
Abstract: 1399878 Biooxidation of waste materials R K FINN and A L TANNAHILL 11 Dec 1972 [10 March 1972] 56997/72 Heading C1C A process for the bio-oxidation of nitrogendeficient aqueous organic waste comprises feeding said waste into an aeration zone, the zone containing an active culture comprising at least 75% by wt. of cells of aerobic nitrogenfixing micro-organisms, a sufficient amount of nutrients to maintain growth of said cells, the nutrient including at least 0À01 p.p.m. of molybdenum or vanadium or compounds thereof, and a partial pressure of at least 0À01 atmospheres of dissolved oxygen, the zone being maintained at 20-40 C., and at a pH of 6-9. The effluent including suspended bio-mass is removed from the zone after a retention time of 3-12 hours. Preferably, the waste has a nitrogen to B.O.D. ratio of les than 1 : 20. The process may be carried out batchwise or continuously. Suitable micro-organisms are Azotobacter chroococcum, A. vinelandii, A. indicus, A. lacticogenes and A. beijerinckii. The effluent may be further treated, e.g. by flocculation, to provide a clear supernate.
Patent GB-1380840-A (GB)
IPC: D04B15/92
Filed: 1972-12-12
Abstract: 1380840 Knitting machines ELITEX ZAVODY TEXTILNIHO STROJIRENSTVI GENERALNI REDITELSTVI 12 Dec 1972 ]17 Dec 1971] 57312/72 Heading DIC Knitwork in a circular knitting machine is drawn pneumatically into a side pocket 30 in a tube 15 rotating with the needle cylinder, to prevent it twisting. It may be sucked into chamber 26 and ejected in one of three ways viz the last knitted end first, or the last knitted end last, or doubled over, by selectively manipulating the flaps 23 and 28 and knocking off the needles at the appropriate instant.
Patent GB-1180246-A (GB)
Title: Radiation Dosimeter
Inventor: OBERHOFER MARTIN
IPC: C25D5/10
Filed: 1967-12-18
Abstract: 1,180,246. Luminescent materials. EUROPEAN ATOMIC ENERGY COMMUNITY (EURATOM). 18 Dec., 1967 [21 Dec., 1966], No. 57433/67. Heading C4S. A thermoluminescent radiation dosimeter comprises a mixture of grains of lithium fluoride and grains of lithium hydride which may be provided on carrier 2 of Ni-Cr heating foil. Thermal neutron and gamma radiation sensitivity may be enhanced by Li and Li<SP>7</SP> isotope enrichment respectively, while epithermal and fast neutron sensitivity increases with lithium hydride concentration. Thermal neutron sensitivity may be eliminated by use of Li<SP>7</SP> and Cd or B shielding. A number of zones may be provided on a carrier, each sensitive to a different portion of the radiation spectrum and in combination with photo-diodes. Reactivity of lithium hydride to water for instance may be reduced by coating the grains with Al or operating in an inert atmosphere, e.g. argon, within a potassium free glass container 1 (boron glass, for instance). Coated lithium hydride particles may be coated on a carrier with the aid of a water-containing medium, e.g. water glass. Personal dosimetry applications are instanced.
Patent GB-1326777-A (GB)
Title: Aluminium-zinc alloy process for the production of such alloy and process for the production of ahaped bodies from such alloy
IPC: C22C1/02
Filed: 1970-12-03
Abstract: 1326777 Aluminium/nickel/zinc alloys VEREINIGTE OSTERREICHISCHE EISEN-UND STAHLWERKE A G 3 Dec 1970 [5 Feb 1970] 57530/70 Headings C7A and C7D An alloy consists of: 38-75 per cent by weight Al at least 0À05% Ni balance Zn, the maximum content of Ni being corresponding to the course of the eutectic groove in the Ni/Al/ Zn system which groove passes continuously between the following points: (wt per cent) Also present in the alloy may be up to 0À05% magnesium and copper up to 6À5% of the Al content but not exceeding 4À8%. When preparing the alloy the starting materials should be free from elements which form insoluble compounds with Ni (e.g. Si, B) and elements which crystallize primarily in the form of needles (e.g. Fe, Mn, Ti, V, Mo, W and C). The magnesium may be added in the form of a pre-alloy such as 5% Al 3% Mg 92% Zn. Shaped bodies may be formed from the molten alloy by crystallizing at a rate less than 0À2 Cal/ Sec/g, rapidly cooling from above 350C. and then heat treating at 80-275C. for 0À25-8 hours. The alloy may be hot shaped at 200-400C. or cold shaped. Thus by shaping cold rolled sheets bearing bushes may be made.
Patent GB-1203740-A (GB)
Title: Improvements relating to livestock transporters
Inventor: BAKER JAMES ROYSTON
IPC: B60P3/04
Filed: 1967-03-04
Abstract: 1,203,740. Bird cages. PRAILL'S HEREFORD Ltd. 16 May, 1968 [4 March, 1967], No. 57745/69. Divided out of 1,198,851. Heading A1M. [Also in Division B7] A battery of cages for transporting birds etc., comprises a floor panel to which a number of uprights are secured, the uprights being connected by wire mesh screens. Further floor panels are bolted to the screens so as to provide a stack of cages.
Patent GB-1417000-A (GB)
Title: Aluminium lead ingots and method and apparatus for making such ingots
IPC: C22C21/00
Filed: 1972-12-15
Abstract: 1417000 Making Al-Pb alloys L STERN 15 Dec 1972 [17 Dec 1971] 58049/72 Heading C7D An Al-Pb ingot is made by immersing an Al-Sn alloy ingot, having Sn dispersed as a substantially continuous network, in a hot liquid bath to melt only the Sn, contacting a surface of the ingot with molten Pb and creating a pressure differential between this surface and another one so that Pb replaces Sn in the Al matrix. The hot liquid may be molten Pb and the pressure differential may be maintained after the end of the Pb impregnation to produce a Pb-free layer near one surface of the ingot. The ingot may be rolled into strip which may be bonded to a steel backing strip (e.g. to provide a bearing material), preferably via the above Pb-free layer. Apparatus is described and claimed.
Patent GB-1198868-A (GB)
Title: Injection Blow Moulding Machine
Inventor: AOKI KATASHI
IPC: B29C49/06
Filed: 1967-12-27
Abstract: 1,198,868. Injection blow moulding apparatus. K. AOKI. 27 Dec., 1967 [28 Dec., 1966; 30 Dec., 1966], No. 58599/67. Heading B5A. A pair of female moulds 1, 2 of an injection blow-moulding apparatus, when brought together, provide a number of injection moulding cavities 21 and blow-moulding cavities 22 within which male moulding members 19 on a support 20 are contained. The support is rotatable by a shaft 25 through 180 degrees to bring one group of members 19 from the cavities 21 to the cavities 22 and vice versa, so that after injection moulding tubular parisons 30 on to the members 19 in the cavities 21, the moulds 1, 2 are separated and the parisons transferred on the members 19 to the blow moulding cavities 22. Blowing air is fed through passages in the shaft 25 and members 19. The moulds 1, 2 are carried by plates 3, 4 forced together by the outward movement of hydraulic rams 7, 8 threaded to a rotary shaft 16 within a cylinder 6. The shaft 25 is turned by a rack and pinion mechanism 26, 28 driven by an hydraulic motor 27, 36, and is supported in a housing 31 mounted on the bed-plate 5 of the apparatus and manually adjustable in the axial direction of the shaft. Material is injected from a horizontal cylinder 37, and sprue bonds to the end of a member 38 so that when the moulds 1, 2 separate the sprue is removed from the parisons. In the embodiment of Figs. 6-9, not shown, the mould 2 is stationary and mould 1 is moved by an hydraulic ram. The axially adjustable shaft housing 31 is is mounted on a carriage (43) slidable on the bedplate of the apparatus so that, in addition to the previously described adjustment of the housing 31, when the mould 1 is moved the carriage (43) and housing are moved by a linkage connected between the mould 1 and the carriage. Thus when the moulds 1 and 2 are separated the mould support 20 is moved to be spaced from them. In the embodiment of Fig. 10, not shown, the injection cylinder 37 is located adjacent and parallel to the shaft 25 and the mould closing ram 41 is offset from the shaft axis. In Fig. 13, not shown, the apparatus includes two sprue removers, one on each side of the support 20, and each comprising a cutter (49) pivoted adjustably on a supporting plate (50); as the support 20 rotates, the cutters remove the sprue. When the moulds are opened the blow moulded articles are blown from the members 19 by compressed air passing therethrough.
Patent GB-1347780-A (GB)
Title: Assembly of two members meeting at right angles without penetration  of one into the other
IPC: E04B2/76
Filed: 1971-12-20
Abstract: 1347780 Structural joint ELMADUC 20 Dec 1971 [24 Dec 1970] 59083/71 Heading E1K Two elongate metal members 1 and 2 are interconnected by two clamping members 10 slidable in grooves 3 in one member and each engaging one limb 9 of a respective angle iron 7 slidable in a similar groove 3 in the other member. The clamping members and angle irons are fixed to their respective members by screws 14.