baber/WOPTO huggingface dataset:
Patent GB-837739-A (GB)
Title: Improvements in or relating to the production of window envelopes and the like articles from a continuous band of material
IPC: B31B160/10
Filed: 1957-12-23
Abstract: 837,739. Making window envelopes and like articles. WINKLER, R., and DUNNEBIER, K. Dec. 23, 1957 [June 7, 1957], No. 39836/57. Class 73 Relates to a device for adhesively applying transparent pieces of paper &c. to moving blanks of paper or cardboard and especially to applying such pieces in the production of window envelopes. According to the invention transparent material 2 is drawn from a reel 1 at constant speed by feed rollers 3, 4 and is then passed to a cutting device comprising a stationary knife 7 and a rotary knife 8<SP>1</SP> in a cylinder 8. The severed pieces 12 of material are then passed to a suction roller 10 rotating at the same speed as the feed rollers 3, 4 and then to a pair of rollers 13, 14 rotating at a greater speed than the roller 10, the roller 14 also being a suction roller and serving to apply the pieces 12 to blanks 19 advanced on a rotary drum 20. The suction roller 10 holds the forward end of the material 2 firmly during the action of the knives 7, 8 and thus prevents displacement of the severed piece 12. Such displacement is also prevented during transfer from suction drum 10 to the suction roller 14 since the forward end of the piece 12 is clamped between a gripping edge 17 on the roller 14 and the counter roller 13 which is adjustable in relation to the edge 17.
Patent GB-1368185-A (GB)
Title: Method and device for providing heat insulation at high tempera tures
IPC: F16L59/147
Filed: 1972-08-29
Abstract: 1368185 Duct insulation COMMISSARIAT A L'ENERGIE ATOMIQUE 29 Aug 1972 [9 Sept 1971 30 Dec 1971] 40041/72 Headings F2P and F2X [Also in Division G6]  In a method of heat insulating a tubular duct at high temperature a ring 2 of thermally insulating ceramic material is disposed with clearance against the inner suface of a hollow walled deformable sleeve 6, the sleeve is introduced into the tubular duct, the dimensions of the sleeve being such that it fits with clearance into the duct, and a fluid is introduced under pressure into the wall of the sleeve, the pressure of the fluid being such that it deforms the sleeve so that the ceramic ring is prestressed by the duct via the deformed sleeve. The deformation of the sleeve may be maintained by: (a) sealing the fluid into the hollow wall, the fluid being such as to remain in the fluid state, (b) deforming the sleeve plastically when the fluid is first injected so that on subsequent removal of the fluid the sleeve stays deformed, the hollow wall being placed in fluid communication with the duct, (c) sealing the fluid into the hollow wall, the fluid being such that it will solidify with little shrinkage at the operating temperature of the duct. The ceramic ring may be solid or may be composed of sectoral sections. Likewise the hollow sleeve may be in one piece or in sectors. The walls of the sleeve maybe interconnected by axially extending radial walls or by discontinuous radial partitions disposed on diametral planes. The compartments formed within the sleeve by such partitions may be interconnected by orifices or may each be hermetically sealed. In order to take the weight of the ceramic ring 2 in horizontal ducts, the lowermost portion or lowermost portions of the sleeve may contain a fluid different from the pressure -fluid, the different fluid being solidified at the temperature of the duct. Alternatively the load bearing compartments may be filled at a greater presssure with the pressure fluid. As shown in Fig. 5 a plurality of axially adjacent sleeves, may be used, ring seals 52 with internal peripheral slits being housed in grooves 50 at the ends of the sleeves. Sealing material (e.g. rubber) may be interposed between the exterior of the sleeve and the wall of the duct. Coolant may circulate through pipes 38. The method is suitable for gas ducts in thermonuclear reactors. Materials.-The ceramic ring may be of silica based composition or may be mas-rock. The fluid for pressurizing the sleeve may be water, air, carbon dioxide, helium, mortar, low melting alloy or high melting plastics. A rubber layer may be interposed between the hollow sleeve and the wall of the duct.
Patent GB-877416-A (GB)
Title: Methods and apparatus for producing "stretch" or "elasticizer" yarns
IPC: D02G1/10
Filed: 1957-12-24
Abstract: Potentially crimpable yarn of organic hydrophobic thermoplastic material, e.g. polyamides, polyacrylonitrile and acrylonitrile copolymers, polyethylene glycol-terephthalate or cellulose triacetate, is converted into "non-torque" stretch yarn by advancing a running length thereof through an acutely angular path, such as may be provided by a blade edge, thence over a driven roll, the speed of which is adjustable with respect <PICT:0877416/IV (a)/1> <PICT:0877416/IV (a)/2> <PICT:0877416/IV (a)/3> to the speed with which the yarn is advanced towards the path, in order to control tension in the yarn after its passage through the path.  The yarn may be hot-stretched beyond its elastic limit before arrival at the path, in accordance with the process and by means of the apparatus described in Specification 842,703.  The yarn may pass through the path at room temperature, as described in Specification 558,297, or at elevated temperature, as described in French Specification 1,113,990, and be cooled by the driven roll around which the yarn is partially wrapped.  In the apparatus shown in Fig. 1, yarn 16 from a supply 14 is advanced to and withdrawn from a sharpened edge 41 by roller means 33, 18: the yarn passes several turns around rollers or stepped-roller portions 21, 23, optionally over an electrically heated plate 28, several turns around a roll 34 (the periphery of which may be heated, in part at least, by an internal electrical element) and roll 36, over the edge 41 of a pivoted, adjustable blade 40, the temperature of which is lower than that of the roll 34, a partial wrap around roll 39, past a lubricating roll 43, one or more turns about portions 22, 24 of rollers 19, 20, and is guided to take-up means 48.  The drive to the roll means 18, 33, between which the yarn is normally stretched on its forward path and allowed to contract, or at least is not stretched, on the return path, may include a variable ratio speed change, and the speed of roll 39 is adjustable.  The roll 39 may cool the yarn as well as control yarn tension.  As shown in Fig. 4, the yarn approaching and leaving the edge 41 lies in a plane not perpendicular to the edge, i.e. it is "skewed" thereabout.  A second yarn heater may be interposed between rolls 33 and edge 41, in which case roll 34 is unheated (Fig. 5, not shown).
Patent GB-1301645-A (GB)
IPC: C07C67/00
Filed: 1970-08-21
Abstract: 1301645 Stabilized cyanoacrylate adhesive compositions INTERCONTINENTAL CHEMICAL CO Ltd 21 Aug 1970 [26 Aug 1969] 40406/70 Heading C2C [Also in Division C4] An adhesive composition comprises at least one purified monomeric ester of 2-cyanacrylic acid of formula CH 2  = C(CN)-COOR, where R is a C 1-16  alkyl or alkenyl group, a cyclohexyl group or a phenyl group, together with as stabilizer, at least one organic sulphonic acid having a pKa not exceeding 2À8 in a total concentration of from 0À0005 to 0À5% by weight of the composition.
Patent GB-1525405-A (GB)
Title: Liquid crystal display panels
IPC: G02F1/135
Filed: 1975-10-03
Abstract: 1525405 Controlling light HITACHI Ltd 3 Oct 1975 [14 Oct 1974(2)] 40644/75 Heading G2F [Also in Division G5] In the elementary cells of a cartesian liquid - crystal display matrix a ferro-electric plate 15a carries electrodes on each face running orthogonally in line arrays, e.g. Y 1 , Y 2  &c, row electrodes 16 on the back and X 1 X 2  &c, column electrodes 14 on the front; a di-electric layer 13a deposited over each X-electrode and carrying an intermediate unconnected electrode 12, having a side part 12b lying on plate 15a over the Y-electrode 16 at the rear, forms a capacitor; a liquid crystal layer 11 lies between the intermediate electrode 12 and a transparent substrate 9 carrying a second column electrode array 10 opposite to and externally connected to the corresponding X column electrode 14 on the plate. For each element the di-electric constant of layer 13, e.g. BaTiO 3 , should exceed 250, the capacitance being between 50 and 500, e.g. 60 times that of the ferro-electric plate, e.g. of PZT or PLZT, the capacitance of the liquid crystal layer 11 being negligible but possibly shunted by a small conductance 5. Both Y and X electrodes 16 and 14 take the form of deposited strip arrays of 'patch' electrodes connected by narrow conducting sections. To drive an element in which the ferro-electric plate is fully polarized a first potential Va pulse is applied between the Y and two X electrodes, overcoming hysteresis to reduce the polarization of the plate and taking a charging current through the capacitor, the potential across which causes the liquid crystal to display by scattered light; the charge leaks away through the liquid crystal shunt conductance 5, so that a further opposite 'erase' pulse to restore the plate polarization to full draws a further opposite charging current, the potential across the capacitor again causing the liquid crystal to display Figs. 7A, 7B, 8 (not shown). By varying the amplitude or the fraction of the pulse deviation during which the full amplitude is applied, half tons can be displayed Fig. 9 (not shown). The full amplitude Va for all or nothing display is chosen so that it gives an adequate display but a pulse of Va/2 lies below the threshold of the ferro-electric plate.
Patent GB-1403753-A (GB)
Title: Electrophotographic copying apparatus
IPC: G03G15/26
Filed: 1972-09-01
Abstract: 1403753 Transferring electrostatic charge images MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 1 Sept 1972 [1 Sept 1971] 40685/72 Heading G2H An electrostatic latent image is produced progressively on a photo-conductive layer 17 as it is traversed by a reciprocating carriage 25 bearing a corona discharge apparatus 22 and an exposure slit 26 through which an image from a lens 15 reaches the charged photo-conductive layer, then the latent image is transferred progressively to a copy sheet 29 on which it is developed and fixed. The sheet 29 is fed around an electrically conductive rubber roller 30 on the carriage with a dielectric surface layer outwards and a conductive base against the roller. Movement of the carriage rolls the sheet on to the charged photo-conductive surface, and a wedge 33 on the carriage lifts it from the surface with a transferred latent image on it. Development with a liquid-suspension toner and fixing by a heater 61 follow.
Patent GB-1083140-A (GB)
Title: Improvements in or relating to segmental sealing rings for pistons, valves or rods
IPC: F16J9/00
Filed: 1963-10-16
Abstract: 1,083,140. Piston and stuffing-box packing- R. A. YOUNG. Dec. 21, 1964 [Oct. 16, 1963], No. 40759/63. Headings F2B and F2T. A segmental sealing ring for pistons or rods comprises three or more segments S 1 , S 2 , S 3 , S 4  subtending equal angles A at the outer peripheral surface 2 of the ring, all the mating surfaces MS between adjacent segments being tangential to the inner peripheral surface 1 of the ring except when there are an odd number of segments in which case one pair only of mating surfaces (RMS, Fig. 4) is radial, and each segment being urged radially inwardly or outwardly by a separate leaf spring 8, 9 according to whether the ring is inwardly or outwardly acting. The segments may be of cast iron, white metal, brass, plastics or glass.
Patent GB-407886-A (GB)
Abstract: 407,886. Casting-plants. CARRINGTON, F. G., 1030, Christine Avenue, Anniston, Alabama, U.S.A. July 18, 1933, No. 26171. Divided application. [Class 83 (i).] Castings, extracting.-A pipe p, Fig. 2, cast in a centrifugal mould m, is extracted by a head h<12> and conveyer chain h on which the pipe is supported. The head h<12> has a hook h<10> which engages a chain h' secured to a cross-bar h<8> of the chain h and supported by a guide h<13> detachably connected to another cross-bar h<14>. When this bar reaches the driven wheels h2 it is automatically detached from the guide h<13> which remains stationary while the chain h' passes over it. The pipe is received by crossbars h<6> of the chain h and is by them transferred to rockers r, Fig. 4. An arm k, Fig. 7, pivoted to a plunger k<1> is then moved to engage the pipe and advanced to push it completely on to the rockers r which are then lowered so that the pipe is received by a runway h<16>. When the bar h<14> reaches the position shown in Fig. 4 it re-engages with the guide h<13> and, the rotation of the wheels h<2> being reversed, it projects the guide, and the chain h' thereon, as shown in Fig. 2, ready for the next operation. According to the Provisional Specification the conveyer may have an adjustable inclination.
Patent GB-1205136-A (GB)
Title: Improvements in or relating to fire extinguishers
Inventor: SHAW ALBERT ERIC
IPC: A62D1/00
Filed: 1968-08-27
Abstract: 1,205,136. Perlite foam fire extinguishers. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 19 Aug., 1969 [27 Aug., 1968], No. 40985/68. Heading A5A. The charge for a dry powder fire extinguisher comprises ground unexpanded or partially expanded perlite. The perlite is expanded by fire to a solid foam. Unexpanded perlite of 100-300 mesh (B.S.S.) or perlite expanded to a density not less than 251b/cu. ft. is preferred. The compressed gas propellant for the extinguisher may be CO 2  or argon, the latter being suitable for fires of reactive metal, e.g. Zr.
Patent GB-1270096-A (GB)
Title: Fire fighting apparatus
Inventor: SUMNER LESTER
IPC: A62C5/00
Filed: 1968-08-28
Abstract: 1,270,096. Portable foam-forming apparatus. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 19 Aug., 1969 [28 Aug., 1968], No. 41100/68. Heading ASA. [Also in Divisions B1 and B2] Portable fire-fighting apparatus comprises a housing 1 containing a reservoir 2, a mesh 7, a tube 5 and spray ring 6 connected to the reservoir for supplying foam-producing liquid to the mesh, an electric motor-driven impeller (not shown) for blowing air through the liquid on the mesh to form foam, a valve 13 for controlling the supply of liquid to the mesh, and a switch 12 arranged to energise the motor and open the valve simultaneously on actuation. The source of electricity for the motor may be a battery 11 located in the housing; alternatively, it may be external to the housing and connected to the motor by means of a cable. Handles 14 may be provided to facilitate carrying of the apparatus.
Patent GB-960189-A (GB)
Title: Improvements in battery separators
IPC: H01M2/16
Filed: 1962-10-31
Abstract: Battery separators are made by impregnating a sheet of paper fibres with an A-stage phenolformaldehyde resin and a sulphomethylating agent, and cured.  The resulting separator is readily wettable by battery acid, and this property is not backed out.  The sulphomethylating agent may be an alkali metal salt of: o-hydroxy-alpha-toluene-sulphonic acid, p-hydroxy-alpha-toluene-sulphonic acid, a hydroxy-xylene-alpha, alpha-disulphonic acid, the methylol derivatives of these, or sulphurous acid.  It may be added to the resin before curing, to the sheet after impregnation with resin but before curing, or to the sheet after curing.  The curing may be effected by heat or by immersion in battery acid.  The separator may be embossed.  U.S.A. Specifications 2,477,328, 2,543,137, 2,702,758 and 2,872,497 are referred to.
Patent GB-1510236-A (GB)
Title: Hair cosmetic
IPC: A61K8/89
Filed: 1976-10-06
Abstract: 1510236 Hair cosmetic KAO SOAP CO Ltd 6 Oot 1976 [14 Oct 1975] 41517/76 Heading A5B A hair cosmetic composition consists essentially of A. from 0.5 to 40 weight percent of a substance having a solidification temperature lower than minus 20‹C and selected from 1. a compound having the formula or H, in which R is branched alkyl having 6 to 12 carbon atoms, R 1  is H, CH 3 , C 2 H 5  or C 3 H 7 , R 2  is H, CH 3 , C 2 H 5  or OH, and n and m each is an integer of from one to 3, and mixtures thereof, and 2. a compound having the formula wherein R 3  is a linear or branched alkyl having 8 to 10 carbon atoms and R 4  is a linear or branched alkyl having 6 to 8 carbon atoms, and mixtures thereof, and 3. mixtures of (1) and (2), B. from 0.5 to 10 weight percent of a compound or mixture of compounds having the formula wherein e is an integer of from 3 to 14, the weight ratio of B/A being in the range of from 1/10 to 8/1, C. and the balance comprising an alcohol solvent effective for dissolving components A and B. The composition preferably contains 2 - 20wt.% A and 1-7wt.% B.
Patent GB-991659-A (GB)
Title: Nematocidal process
Inventor: AICHENEGG PAUL CONRAD
Filed: 1963-10-22
Abstract: Compounds of the formula <FORM:0991659/C2/1> where X is Cl or Br, and Y is H, Cl or Br, at least one Y being hydrogen, are prepared by reacting ethylene or an appropriate haloethylene with sulphur monochloride or monobromide in the presence of a Friedel-Crafts catalyst.  Dehydrohalogenation of these compounds, e.g. by reaction with triethylamine, tributylamine, pyridine, ammonia, KOH, NaOH, K2CO3, Na2CO3, CaO or BaO, gives the products <FORM:0991659/C2/2> These compounds are nematocides (see Division A5).ALSO:Nematodes in soil are destroyed by adding to the soil a compound of formula <FORM:0991659/A5-A6/1> or <FORM:0991659/A5-A6/2> where X is Cl or Br and Y is H, Cl or Br, at least one Y being hydrogen; or a composition of such a compound with a carrier, e.g. with water, hydrocarbons such as benzene, toluene, xylene, kerosene, diesel oil, fuel oil and petroleum naphtha, ketones such as acetone, methyl ethyl ketone and cyclohexanone, and alcohols such as ethyl, isopropyl and amyl alcohols; or with solid carriers such as talc, pyrophyllite, synthetic fine silica, Attaclay, kieselguhr, chalk, diatomaceous earth, lime, calcium carbonate, bentonite, fuller's earth, cottonseed hulls, wheat flour, soyabean flour, pumice, tripoli, wood flour, walnut shell flour, redwood flour and lignin.  Surface-active agents may also be present.
Patent GB-1135080-A (GB)
Title: Electrolyte-repellent porous electrode
IPC: H01M4/88
Filed: 1966-09-19
Abstract: 1,135,080. Gas diffusion electrodes for fuel cells. VARTA A.G. 19 Sept., 1966 [25 Sept., 1965], No. 41744/66. Heading H1B. The pores of a gas diffusion electrode are coated with a layer of lyophobic material the density of the layer decreasing continuously from one surface of the electrode towards the opposite surface. The lyophobic material may be P.T.F.E. or a polyolefin which is applied in particulate form and fused to the walls of the pores by heating. The particles may be applied by placing the electrode face down on a pile of powder and applying a partial vacuum to the other face for a short time; by similarly applying a partial vacuum to one face of the electrode whilst the other face is exposed in a chamber containing uniformly agitated particles; by placing the electrode in a hole in a planar work surface so that a recess large enough to hold the required amount of powder is formed, filling the recess with powder and sucking the powder in from below or blowing it in from above; or by capillary attraction with one face of the electrode immersed in a suspension of the particles in a volatile liquid, the liquid in the pores being evaporated without boiling before fusing the particles.
Patent GB-1519807-A (GB)
Title: Telecomunications exchange system switching networks
IPC: H04Q11/04
Filed: 1975-10-13
Abstract: 1519807 Trunking in TDM exchanges SIEMENS AG 13 Oct 1975 [14 Nov 1974] 41780/75 Heading H4K The switching network disclosed in Specification 1,519,806 is modified such that its second and third stages comprise multiple space division switches. A plurality of such networks may be combined in a single exchange.
Patent GB-1128338-A (GB)
Title: Recording media
IPC: H01J29/18
Filed: 1965-10-01
Abstract: 1,128,338. Fluorescent photographic element. MINNESOTA MINING & MFG. CO. Oct. 1, 1965 [Oct.27, 1964], No.41861/65. Heading G2C. [Also in Division C4, G5 and H1] A fluorescent photographic recording element comprises a grain-free fluorescent material, and a non-fluorescent grain-free organic imaging material capable of having its capacity to transmit light emitted by the fluorescent material selectively altered by exposure to radiation image. The fluorescent and imaging materials may be combined in a single layer, or may be in separate layers, with, if necessary, grain-free conductive, spacing or supporting layers of Al, Cu, Ag, C, Au, paper, ceramic or vitreous materials, or film forming organic polymers. The fluorescent material may be a 0À25 or 0À5 mil polyethylene terephthalate polyester film containing 4-dimethylamino chalcone, p-terphenyl or perylene; or a 0À1, 0À2 or 0À3 mil. coating formed from a solution of polystyrene in toluene containing either 4-dimethylamino chalcone or perylene, or a solution of polyvinyl acetate in methyl ethyl ketone containing P-terphenyl, or of polymethyl methacrylate in tetrahydrofuran containing 4-dimethylamino chalcone. The imaging layer may comprise (a) a stabilized diazonium compound which is exposed to an actinic radiation image to selectively destroy its ability to react with a coupler and hence produce a dye, thedyeforming reaction occurring in unexposed areas upon treatment with ammonia vapour (see Example 1); (b) a diazonium salt dispersed in a thermoplastic binder so that upon heating the nitrogen produced by decomposition in the softened binder produces a vesicular, light-scattering image in the exposed areas (see Example 2); (c) vinylidene chloride/n-butyl acrylate copolymer containing 4-phenylazodiphenylamine dye or N, N-dimethylp-phenyl-azonaniline which yields a visible image on exposure to actinic radiation; (d) polymethyl methacrylate containing 6-nitrobenzo-1, 2, 2, or 6-nitrobenzo-1, 3, 3, trimethylindoline-pyranospirane; or (e) a polyvinyl butyral resin containing indole and carbon tetrabromide. Alternatively a combined fluorescent and imaging layer may be formed from a solution of (a) polyvinyl butyral resin containing leuco pararosaniline carbon tetrabromide and 4-dimethylamino chalcone; (b) polyvinyl toulene containing 2, 5-diphenyl-oxazole, hexachloroethane and Rhodamine B leuco cyanide; or (c) polyvinyl acetate containing anthracene, leuco malachite green and carbon tetrabromide. Specific examples are given. Information may be recorded by scanning with an electron beam or by exposure to ultraviolet or infrared, X rays or y rays with appropriate development and fixing.
Patent GB-1086448-A (GB)
Title: A process for the preparation of ª-methyl-ª-butyrolactone
IPC: C07D315/00
Filed: 1966-09-20
Abstract: a -Methyl-g -butyrolactone is prepared by hydroformylating a methacrylic ester with carbon monoxide and hydrogen in the presence of a rhodium-containing catalyst at temperatures between 125 DEG  and 200 DEG , preferably 140 DEG  and 180 DEG  C. and at gas pressures between 75 and 1000 atmospheres and subsequently hydrogenating the resulting product (a b -formylisobutyric acid ester).  The methacrylic ester is preferably an ester of an alkanol of 3 atoms or less.  The rhodium - containing catalyst, preferably rhodium sesquioxide may be used in amounts between 0.0004 to 0.004 gram atoms mole of ester, and in quantities of 1 to 40% by weight based on the weight of carrier, if present.  The hydroformylation is preferably also carried out in the presence of 0.01 to 10% by weight of a tertiary amine.  The molar ratio of carbon monoxide to hydrogen is preferably between 2:1 and 1:4 and the combined pressure is in the range 150 to 500 atmospheres.  The hydroformylation product may be hydrogenated without removing rhodium carbonyl compounds by raising the temperature above 200 DEG  C., and keeping the pressure over 150 atmospheres.  In any case, the temperature should be raised above 180 DEG  C. during or after hydrogenation.