baber/WOPTO huggingface dataset:
Patent GB-953086-A (GB)
Title: Optical projection screen unit
IPC: G03B21/58
Filed: 1960-09-15
Abstract: 953,086. Screen stretching systems. A. FISCHER. Sept. 15, 1960 [Sept. 19, 1959], No. 31880/60. Heading G2J. A flexible projection screen is stretched by means of two pairs of links connected by a distancing piece linked to each pair at a point intermediate the outer linkages with the screen or a support therefor, means being located intermediately in one of the links or the distancing piece for increasing the effective length of that member to tension the screen. As shown in Figs. 1 and 2 the screen 1 is carried on an axially-extensible bar 3 to which are linked at 22 links 14 and 16 linked, respectively, with links 15 and 17 at 18 and 19. A distance bar 20 pivoted on linkage pin 18 has a toothed slot 33 in which engages a pinion coaxial with the linkage pin 19 by means of which the separation of linkages 18 and 19 is variable and a uniform tension is applied over the screen. The pinion is lockable by a wing-nut. The lower links 15 and 17 are pivotally secured to base members 26 equipped with batten-like feet pivotable in a plane perpendicular to the plane of the screen. The screen may also be suspended by means of cord 30. When the screen is collapsed, the milled portions 13 of the upper supporting bar 3 engage similar milled portions in the base members 26 and prevent accidental unrolling. In another embodiment, a rack-slot and pinion device is provided in one of the links which latter comprises two relatively slidable portions,and a ratchet wheel arrangement allows non-slip extension releasable by depression of a finger-release.
Patent GB-1080532-A (GB)
Title: Pipe weighting method and reinforced weighted pipe achieved thereby
IPC: F16L1/24
Filed: 1964-08-05
Abstract: 1,080,532. Moulding pipes. J. B. MALLARD. Aug. 5, 1964, No. 31908/64. Heading B5A. [Also in Divisions E1 and F2] A pipe-line 10 with weighting material added around its periphery comprises a reinforcement 26 locating and located by pre-cast spacers 16 with transverse bores 20 which receive the longitudinal mesh of the said reinforcement at a predetermined distance radially outward from the pipe-line and extend outwardly therebeyond that distance, and weighting material of a high specific gravity pourable upon the pipe to harden and embed the reinforcement and the spacers up to the height of the spacers. The pipe-line is of metal laid upon support blocks 12 with intervening precast chock-blocks 26. (Fig. 6). It is covered with a protective coating 11. The reinforcement 26 is of wire mesh and the spacers of concrete which may include extra weighting material to allow the use of cement and sand without aggregate for the pourable part of the weighting. The poured concrete is contained by form sections 28 held down on to the spacers 16 by metal bands 29 with clasps 30 which are removed when the concrete has hardened. Two layers of reinforcement may be used, one above the other.
Patent GB-1475573-A (GB)
Title: Element for coupling a heat radiator to the thermal mass of an integrated circuit device during assembly with a printed circuit
IPC: H01L23/433
Filed: 1974-07-18
Abstract: 1475573 Semi-conductor device SGS ATES COMPONENTI ELETTRONICI SpA 18 July 1974 [19 July 1973] 31924/74 Heading H1K A dual-in-line package comprising i.e. 9, heatdissipating mass 8, encapsulation 10 and leads 11 presents a flat, heat-conducting surface to heat sink 7 during assembly of the package on p.c.b. 12, and to ensure good normal contact between mass 8 and heat sink 7, there is provided thermoplastic member 1 having rigid side walls 2, 3 apertured for bolts 13 and a resilient intermediate portion 4, the height of which relative to that of the side walls and the package being such that the package is pressed against the heat sink when the assembly is bolted together, and the resilience of portion 4 and that of p.c.b 12 as compared with heat sink 7 compensating for irregularities in encapsulation of the package and its mounting on p.c.b. 12.
Patent GB-1104943-A (GB)
Title: Huts
Inventor: OSWITCH STANLEY
IPC: E04H1/12
Filed: 1964-08-05
Abstract: 1,104,943. Portable huts. WHESSOE Ltd. 3 Aug., 1965 [5 Aug., 1964], No. 31927/64. Heading E1A. A portable hut, such as a beach changing hut, is made up from a series of reinforced synthetic resin panels 11 which are interconnected together and provided with a door or opening 13 and a detachable roof 10. The floor 12 may be made of marine plywood or hard wood and may be a plain floor formed with drainage holes or made up from slats in the form of a grid. For the materials employed for walls and roof the Specification should be referred to.
Patent GB-1026061-A (GB)
Title: Improvements in or relating to plasma tube arrangements
IPC: H01J65/04
Filed: 1963-08-13
Abstract: 1,026,061. Metal-vapour lamps. CSF COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Aug. 13, 1963 [Aug. 14, 1962], No. 31931/63. Heading H1D. An auxiliary heater winding is connected in series with the normal high frequency exciting winding of a plasma tube in such a way that magnetic fields created by the low frequency heating current are substantially mutually cancelling. In the arrangement shown an electrodeless lamp comprising an envelope 1 filled with saturated alkali metal vapour, e.g. rubidium or caesium, is surrounded by two lengths, of coaxial cable with a condenser 4 joining the ends B and C at which the inner conductor 12 forming the heating winding and the outer conductor 11 forming the exciting winding are connected together. High frequency energy from coaxial feeders Y and Z is applied at points P and Q on the outer conductors 11. Low frequency heating current is supplied by a generator 5 to the inner conductors 11 and returns to earth via the outer conductors 12 and a metal plate 6. The envelope 1 with its surrounding windings and plate 6 may be mounted in an outer envelope 7, Fig. 3 (not shown).
Patent GB-433692-A (GB)
Title: Improvements in or relating to variable speed power transmission gearing
IPC: F16H61/02
Filed: 1933-11-16
Abstract: 433,692. Variable-speed gearing. SVITAK, J., 1070, Levlova U1, Nusle, Prague. Nov. 16, 1933, No. 31978. Void [Abridged as open to inspection under Sect. 91 of the Acts, May 22, 1934]. [Class 80 (ii)] A variable - speed gear comprises a number of countershafts 121, 131, 141, arranged concentrically around a driven shaft 9 and geared to it by wheels 120, 130, 140 of different diameters, any one of these countershafts being engaged by clutches 22 with co-axial shafts 123, 153, which are arranged around a driving shaft 7 and geared to it by wheels 122, 152, of preferably equal diameters. The clutch operation is carried out by means of a single rotatable member 27 which permits only one clutch to engage at a time by allowing one of the ball ended rods 29, 30 to move into a recess in its surface, a spring 26 forcing an engaging member 23 on one shaft into a slot 21 in the end of the opposite shaft. The rotatable member 27 operates simultaneously with each gear change the main engine clutch 8, by means of recesses into which the balls 39 move, and the engine throttle, through the rod 45 and lever 47. In this way the gear changes are completely effected by the simple rotation of the disc 27.
Patent GB-263184-A (GB)
IPC: C09D101/18
Filed: 1926-12-17
Abstract: 263,184. I. G. Farbenindustrie Akt.- Ges. Dec. 17, 1925, [Convention date]. Addition to 263,175. Void [Published under Sect. 91 of the Acts]. Varnishes.-Varnishes of the type described in the parent Specification, and made by incorporating cellulose nitrate with drying oils or oil varnishes bv the aid of a mutual solvent for the oil and the cellulose nitrate, are modified by employing in partial substitution for such mutual solvent, a volatile organic liquid capable of dissolving the drying oil but not the cellulose nitrate. Suitable liquids are higher alcohols, such as butyl or amyl alcohols, and aromatic hydrocarbons or their chlorine derivatives. In examples, (1) 300 parts of linseed oil are diluted with 150 parts of butyl acetate and 75 parts of butyl alcohol and mixed with 30 parts of cellulose nitrate. (2) To 180 parts of wood oil are simultaneously added 10 parts of cellulose nitrate. 4 parts of tricresyl phosphate, 20 parts of acetone, 15 parts of ethyl acetate, 36 parts of butyl acetate, 50 parts of benzene, and 50 parts of chlorbenzene. The addition of 10 per cent of butyl alcohol renders the solution clear. (3) To 171 parts of varnish obtained by boiling together 100 parts of copal resin, 75 parts of wood oil, 40 parts of linseed oil, and one per cent each of manganese and cobalt resinates, and diluting with 70 parts of butyl acetate, is added 20 parts of cellulose nitrate, 100 parts of butyl acetate, and 50 parts of benzene.
Patent GB-1151096-A (GB)
Title: Production of Polyesters
IPC: C08G63/82
Filed: 1966-07-15
Abstract: 1,151,096. Polylactones. KANEGAFUCHI BOSEKI K.K. 15 July, 1966 [24 July, 1965; 25 March, 1966], No. 32033/66. Heading C3R. Polyesters are made by polymerizing an a,a-disubstituted-#- lactone of formula where R 1  and R 2  are C 1 -C 4  alkyl groups or aryl group in the presence of an organo-metallic catalyst of formula where M is Li, Na, K, Mg, Zn, Cd, B or Al, R is alkyl or aryl, X is halogen, m is 1-3, n is 0-2 and the sum of m and n is equal to the valence of the metal M. #-Caprolactone may be included in the reaction mixture as comonomer. Polymerization may be effected at 0-120‹ C., possibly in the presence of an organic liquid which may or may not dissolve or swell the polyester (e.g. hexane, heptane, petroleum ether, benzene, toluene, xylene, dialkyl ethers, tetrahydrofurane or dioxane). Examples describe the manufacture of polymers of a,a-dimethyl-#- propiolactone and a-methyl-a-propyl-#-propiolactone and copolymers of a,a-dimethyl-#-propiolactone and #-caprolactone.
Patent GB-356552-A (GB)
Title: Improvements in or relating to protectors, screens or like devices for the ears
IPC: A61F11/14
Filed: 1930-10-27
Abstract: 356,552. Ear-caps. STRONG, G. H. W., 17, High Street, King's Heath, Birmingham. Oct. 27, 1930, No. 32150. [Class 63.] An ear screen, particularly for aeronauts and motor cyclists, comprises a shell-like member adapted to have a bearing upon the side of the head encircling the ear, a cavitous part adapted to contain the ear, a closure portion on the forward side of the ear, an open portion at the rearward side of the ear, and a curved or inclined yieldable flange d at the upper part of the device for securing the device in position. The device may be of transparent celluloid, aluminium, or papier mÔchÚ. The flange b lies against the side of the face in front of the ear. The flange d has a Z-shaped opening e with which an elastic band such as that employed on goggles may be laterally engaged to secure the ear screens in position.
Patent GB-338690-A (GB)
Title: Improvements in aircraft
IPC: B64B1/00
Filed: 1929-10-23
Abstract: 338,690. Helmore, F. G. Oct. 23, 1929. Aeroplanes; aerial machines with aerostats; helicopters.-An aircraft is supported in flight by gas bags B, helicopter screws A, A<2> and collapsable and extensible lifting planes H and is propelled by an airscrew C. The various parts are attached to, and arranged within, a tubular frame I and further comprise retractible wheels G, shock absorbing buffers L, an engine E and control surfaces D, J. The helicopter Screw A<2> is adapted to be retracted for landing purposes.
Patent GB-1473697-A (GB)
Title: Rotary offset printing machines
IPC: B41F7/02
Filed: 1974-07-19
Abstract: 1473697 Driving rotary offset printing machines MASCHINENFABRIK AUGSBURG NURNBERG AG 19 July 1974 [21 July 1973] 32214/74 Heading B6C A nine-cylinder rotary press having four plate cylinders 9, 10, 11, 12; four blanket cylinders 4, 5, 7, 8; and one impression cylinder 3 is provided with a drive system which can be changed to achieve different combinations of printing, when the contacts between blanket cylinders and impression cylinders are changed. To achieve this, slidably mounted gear-wheels 45, 46, 47 and 48 are provided in the drive transmission, each blanket cylinder having three gear-wheels associated therewith, two of these on cylinders 5 and 8, one at each end, being releasably attached to the shaft but only one, at the end carrying two gear-wheels, is releasably attached on cylinders 4 and 7, the other gearwheels being rigidly attached. The corresponding rigidly mounted gear-wheels on adjacent cylinders 4 and 5 or 8 and 7 are so formed as to not mesh when the cylinders are in contact, whilst still being in mesh with gear-wheels on their respective plate cylinders. The gear-wheels are all preferably helically toothed, so allowing circumferential registration adjustment of the plate cylinders by axial movement thereof and reducing noise.
Patent GB-1103468-A (GB)
Title: Iron pigments and their production
IPC: C09C1/24
Filed: 1965-07-28
Abstract: A solid iron oxide pigmentary composition comprises hydrated ferric oxide intimately mixed with an aromatic monocarboxylic acid and at least one fatty acid containing six or more carbon atoms. Suitable fatty acids are caproic, lauric, myristic, stearic, oleic and riconoleic acids, castor oil acid, soya fatty acids and tallow acids. Suitable aromatic monocarboxylic acids are o-toluic, p-t-butybenzoic, salicylic, m-chlorobenzoic, p-nitrobenzoic and benzoic acid.  The pigment is dispersed in one or more organic solvents to form a paste which is readily incorporated into film forming resinous compounds e.g. acrylic polymers.  Suitable solvents are butyl alcohol, xylene, Cellosolve acetate ("Cellosolve" is a Registered Trade Mark), methylethylketone, 2 - nitro - propane, naphtha, mineral spirits, toluene, aromatic naphthas, methyl isobutyl ketone, butyl acetate, 2 - ethoxyethanol, 2 - butoxy ethanol and nitromethane.  The coating composition including the pigment contains 1 to 30% of pigment. The pigment is made by contacting a wet hydrated ferric oxide presscake with an aromatic monocarboxylic acid and at least one fatty acid, and maintaining the mixture in intimate contact until the transfer of iron oxide from the aqueous phase into the acid phase is complete. Organic solvent may be added to produce a continuous organic phase. The solid pigment is recovered by draining off the aqueous phase, adding an azeotropic solvent and drying by azeotropic distillation. This procedure may be modified to include the addition of ink or film forming lacquer or enamel.ALSO:A solid iron oxide pigmentary composition comprising hydrated ferric oxide intimately mixed with an aromatic monocarboxylic acid, e.g. benzoic acid, and at least one fatty acid containing six or more carbon atoms, is manufactured by intimately mixing a wet, hydrated ferric oxide presscake with an aromatic monocarboxylic acid and at least one fatty acid and maintaining the intimate mixture until the transfer of iron oxide from the aqueous phase into the acid phase is complete.  An organic solvent can be added to produce a continuous organic phase.  The pigmentary composition is recovered by draining off the aqueous phase, adding an azeotropic solvent, e.g. xylene, and drying by azeotropic distillation.  Suitable fatty acids are caproic, lauric, myristic, stearic, oleic and ricinoleic acids, castor oil acid, soya fatty acids and tallow acids.  Suitable aromatic monocarboxylic acids are o-toluic, p-t.-butyl-benzoic, salicylic, m-chlorobenzoic and p-nitrobenzoic.
Patent GB-506390-A (GB)
Title: Improvements in or relating to cathode ray indicator tubes
IPC: H01J31/14
Filed: 1937-11-24
Abstract: 506,390. Discharge apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Nov. 24, 1937, No. 32394. Convention date, Nov. 24, 1936. [Class 39 (i)] An indicator comprises a fluorescent anode 19, a cathode 17, electrons form which bombard the anode to cause fluorescence, a pair of control electrodes 18, 18<1> positioned in different parts of the electron stream, electrodes, such as anode 15, grid 14, and cathode 17 which constitute a valve having a high amplification factor connected to the control electrode 18, and electrodes, such as anode 16 grid 14 and cathode 17, which constitute a valve having a low amplification factor connected to the control electrode 18<1>. That part of the grid which lies between the anode 16 and the cathode has one or more turns removed to produce the low amplification factor. A voltage source is connected directly to the anode 19 and to the anodes 15, 16 through resistances 24, 23 respectively. The tube is connected as shown to the detector stage of a superheterodyne receiver. The envelope may be screened from electrons emitted from the indicator section of the cathode. The control electrodes 18, 18<1> may consist of rods or vanes arranged edgewise to the cathode and the anode 19 is dish-shaped. U.S.A. Specification 2,051,189 is referred to.
Patent GB-450916-A (GB)
Title: Improvements in penholders
IPC: B43K3/04
Filed: 1935-11-22
Abstract: 450,916. Point-protectors for pens. BAGNASCO, A., 46, Corso Firenze, Genoa, and BEHAR, 1., 48, Viale Romagna, Milan, both in Italy. Nov. 22, 1935, Nos. 32440 and 32441. Convention dates, Nov. 23, 1934 and Nov. 8, 1935. [Class 146 (iii)] A penholder for pens other than reservoir pens comprises a body formed with a cavity 2 and a longitudinal slot 6 in the wall of the cavity, a nib-receiving member 3 slidable in the cavity and with a pin 9 engaging the slot, a spring or the like 8 to project or retract the nib-receiving member, and a catch associated with the slot and holding the nib-receiving member in either projected or retracted position. The member 3 is held in the projected position against the tension spring 8 by the pin 9, which may be engaged with a portion 7 of the slot 6 offset at an acute angle. Alternatively the spring 8 attached to a T-shaped member on the nib-carrying member 3, and the ends of the cross-bar of the T extend through opposed slots in the body 1 and have heads by which the member 3 may be shifted, and a pin, mounted in the body, is projected into the member 3 to retain it in the forward position. The rear anchorage of the tension spring may be a cup-shaped member with radiant arms which anchor it in the cavity under the tension of the spring. If a compression spring is provided between member 3 and body 1, the member 3 is held in inward position by the engagement of a pin or pins with offset portions at the rear ends of slots in the body.
Patent GB-323854-A (GB)
Title: Improvements in or relating to electrical plug-and-socket couplings
IPC: H01R13/652
Filed: 1928-11-07
Abstract: 323,854. Crabtree, J. A. Nov. 7, 1928. Plug couplings; earthcontinuity couplings.- The earthing socket c of a socket fitting is so formed at the base as to provide a seating c<1> for the head of a fixing screw d by which the fitting is secured to a wall or conductively connected to the lid of a function box, &c. A second screw d<1> seats in a hole e in the body of the fitting diametrally opposite to the socket c. The socket c screws into a plate f carrying a terminal f<1> for an earthing wire and having a hole to receive a screw g by which a cover h is secured as described in Specification 186,226. The live sockets a, b with their terminals a', b<1> are housed in the body of the fitting.
Patent GB-1023802-A (GB)
Title: Improvements in or relating to the manufacture of esters of alpha-cyanoacrylic acid
IPC: A61K6/00
Filed: 1962-08-23
Abstract: Adhesive compositions comprising alphacyano acrylic esters containing no alpha-cyanoacetic esters (see Division C2) are suitable for forming bonds between stainsless steel, glass, human skin, bones, teeth.  The monomer autopolymerizes on being pressed into a thin film between the bonding surfaces.  There may be present in the compositions an acidic stabilizer, e.g. P2O5, carboxylic acids, BF3, SO2, NO, HF, SnCl4 or Lewis bases, or the formulations may include polymers, e.g. acrylates, cyanoacrylates, cellulose esters, and plasticizers of the organic ester type.  Particularly useful are the a -cyanoacrylates of up to C8 alkanols or alkenols, cyclohexanol and phenol.  The examples refer.ALSO:Adhesive compositions comprising alphacyanoacrylic esters containing no alphacyanoacetic esters (see Division C2) are suitable for forming bonds between stainless steel, glass, human skin, bones, teeth.  The monomer autopolymerizes on being pressed into a thin film between the bonding surfaces.  There may be present in the compositions an acidic stabilizer, e.g. P2O5, carboxylic acids, BF3, SO2, NO, HF, SnCl4 or Lewis bases, or the formulations may include polymers, e.g. acrylates, cyanoacrylates, cellulose esters, and plasticizers of the organic ester type. Particularly useful are the a -cyanoacrylates of up to C8 alkanols or alkenols, cyclohexanol and phenol.  The examples refer.ALSO:A product of improved shelf life is obtained in the preparation of alphacyanoacrylic esters according to the parent Specification by the improvement in the pyrolytic depolymerization of the intermediate under vacuum and in the presence of an inhibitor, the improvement consisting of carrying out periodic analysis of the product, preferably by gas chromatography, at different pyrolysis temperatures and retaining only those samples free from alpha cyanoacetic esters. The preferred alcohol components of the esters are up to C8 aliphatic alcohols, cyclohexanol, phenol or alkenyl alcohols.  The examples, which contain comparative data in which excessive pyrolysis temperatures have been used, describe the synthesis of alphacyanoacrylate esters of the following alcohols; methanol, isopropanol n-butanol, cyclo-hexanol, and octanol.  The resulting products find application as adhesives (see Divisions B5, C3 and C4).
Patent GB-758427-A (GB)
Title: Overrunning clutch
IPC: F16D41/067
Filed: 1954-11-11
Abstract: 758.427. Freewheel clutches. NATIONAL SUPPLY CO., and OIL WELL ENGINEERING CO., Ltd. Nov. 11, 1954 [June 1, 1954], No. 32654/54. Class 80(2) A free wheel clutch comprises jamming rollers 36, in cam pockets 33 of a hub member 15, biased to engage the smooth inner surface of a surrounding driving casing 11 by leaf springs 47 engaging shoes 46, the ends 52 of the leaf springs lying in apertures 42 in two retainer rings 40, 41 fast on the hub 15. Each of the jamming rollers 36 has trunnions 38 at each end received in annular grooves 39 in the retainer rings 40, 41. The hub 15 is secured to a driven shaft 10 by keys 14 in keyways 13. The keys are retained in position by an end plate 18 secured by grooves to the shaft 10. External splines 21 on the casing member 11 may be engaged by internal teeth on an axially slidable driving member 23. The clutch may be lubricated through bores 57.
Patent GB-879221-A (GB)
Title: Improvements in or relating the packaging of edible products
Inventor: ROGERS FREDERICK JAMES
IPC: B65D75/58
Filed: 1956-10-26
Abstract: 879,221. Packages. SWIFT & CO. Ltd. Oct. 25, 1957 [Oct. 26, 1956], No. 32769/56. Class 94(1). A section-shaped package of conventional form contains an edible product, e.g. cheese spread, having a consistency such as to be extrudable by manual pressure alone through an opening torn in the pointed end of the package. The package is produced by a known process using a conventional cheesewrapping machine. A sheet of aluminium foil is positioned in a substantially tringular mould, the cheese spread is fed into the mould, a cover sheet of similar material is placed on the surface of the cheese and the edges of the first sheet are folded over the cover sheet. One surface of one or both sheets is coated with a thermoplastic material, e.g. vinyl resin, so that the overlapping edges may be sealed by heat and pressure. The necessary heat may be provided by feeding the cheese spread into the mould in a heated condition.