baber/WOPTO huggingface dataset:
Patent GB-458748-A (GB)
Title: Purification of liquids
IPC: B01D15/00
Filed: 1935-05-18
Abstract: Oil is purified by treatment with a mixture of carbonaceous material, for example sawdust, and water-absorbing chemicals, such as sulphuric acid, phosphoric acid or a mixture of these acids. Excess water-absorbing material may be neutralized, for example by means of caustic soda, before or after the mixture is added to the oil.  An example is described of the treatment of paraffin with a mixture of wood meal and sulphuric acid, the oil being afterwards filtered and then treated with fuller's earth.  Specifications 450,179 and 450,575 are referred to.ALSO:Oil, sugar solutions or other liquids are purified by treatment with a mixture of carbonaceous material, for example, sawdust, and water-absorbing chemicals, such as sulphuric acid, phosphoric acid or a mixture of these acids.  Excess water-absorbing material may be neutralized or bound, for example by means of caustic soda or barium carbonate, before the mixture is added to the liquid, or neutralizing substances may be added to the liquid under treatment.  An example is described of the treatment of paraffin with a mixture of wood meal and sulphuric acid, the oil being afterwards filtered and then treated with fuller's earth. Specifications 450,179 and 450,575 are referred to.  The Specification as open to inspection under Sect. 91 describes also the production of glucose by treatment of starch with a mixture of wood meal and sulphuric acid at boiling temperature with subsequent neutralization of free acid by means of chalk or barium carbonate. This subject-matter does not appear in the Specification as accepted.ALSO:Sugar solutions are purified by treatment with a mixture of carbonaceous material, for example sawdust, and water - absorbing chemicals, such as sulphuric acid, phosphoric acid or a mixture of these acids.  Excess water-absorbing material may be neutralized, for example by means of caustic soda or barium carbonate, before or after the mixture is added to the liquid. Specifications 450,179 and 450,575, [both in Group I], are referred to.  The Specification as open to inspection under Sect. 91 describes also the production of glucose by treatment of starch with a mixture of wood meal and sulphuric acid at boiling temperature with subsequent neutralization of free acid by means of chalk or barium carbonate.  This subject-matter does not appear in the Specification as accepted.
Patent GB-674693-A (GB)
Title: Improvements in free piston multi-stage air or gas compressors
IPC: F02B71/04
Filed: 1950-06-12
Abstract: 674,693. Compressors. SOC. D'ETUDES ET DE PARTICIPATIONS EAU, GAZ, ELECTRICITE, ENERGIE SOC. ANON. June 12, 1950 [June 14, 1949], No. 14644/50. Class 8 (i) A two stage free piston motor compressor has the ratio of compression in the first stage less than in the second, but discharge arranged to occur simultaneously in each. The motor piston 3 drives the low pressure piston 11 and the high pressure piston 12, one side of the former supplying scavenging air through the valve 17. Low pressure air passes through the reservoir 23 but compression in the high pressure cylinder does not commence until piston 12 closes the parts 25. Piston 2 with return energy piston 7 is connected by synchronizing gear to the piston 3 &c.
Patent GB-780887-A (GB)
Title: Improvements in or relating to dispensers for adhesive tape and the like
IPC: B65H35/00
Filed: 1955-05-21
Abstract: 780,887. Tape dispensers. THOMPSON, J. K. Sept. 29, 1953 [May 21, 1955], No. 14711/55. Class 18. A dispenser for adhesive tape 1 comprises means, e.g. a blade 4 pivoted on a shaft 12, for cutting the tape and simultaneously covering over the adhesive side of the tape at an end or ends or for folding over or partially folding over the tape at the ends, Fig. 1D. Tape 1 is withdrawn from a roll, not shown, and laid over platforms 5, 6, Fig. 5. The blade 4 in its initial position is below the tape and is pressed against the side of the platform 6 by a spring 13 acting on a flange at the end of the shaft 12. The blade 4 has a flat plate 7 projecting laterally from it which, when the blade is rotated by means of a thumb piece 14a to cut the tape, carries over the triangular cut section 3, Figs. 1A, 1C, so that as the blade, completing a half rotation cuts the remainder of the tape, the plate 7, in the position of Fig. 5, presses the section 3 on to the corresponding part 2 of the tape to form a non-adhesive tab. In a modification the end of the tape is folded back at right angles by a spring blade which also forms a knife and deflects the tape to form a loop which is folded flat and simultaneously cut. The tape 1 may be folded flat longitudinally by jaws 21, Fig. 9F, which then move down over a knife 20 whereby the tape is out and folded to form tabs 1a, Fig. 9. The longitudinal fold may be formed by rollers which feed the tape on to the knife. In Fig. 11A the tape 1 is cut by a knife 26 and simultaneously picks up tabs 24 from stacks 25.
Patent GB-566621-A (GB)
Title: Improvements in lever-and-punch type perforators for use for filing papers and the like
IPC: B26F1/14
Filed: 1943-09-09
Abstract: 566,621. Perforating - machines for paper. SETTEN, R. S., and JONES, E. E. Sept. 9, 1943, No. 14772. [Class 31 (ii)] In a lever-andpunch perforator for use in filing papers and the like, an anti-friction ball 14a is mounted in a cup 15 at the top of each punch 8, 9, 10, which are normally raised by springs, and are depressed two at a time by a lever 11 which can be moved so as to engage the punch 8 together with either of the punches 9, 10. The ball 14a may rest on another ball supported by the cup 15.
Patent GB-388366-A (GB)
Title: Method of manufacturing insoles and the like
IPC: A43B13/39
Filed: 1931-05-19
Abstract: 388,366. Moulding insoles for boots &c. SOC. ANON. CHAUSSURES DRESSOIR, 18, Rue du General Lassalle, Paris. May 19, 1931, No. 14797. Convention date, July 9. Void [Published under Sect. 91 of the Acts]. [Class 87 (ii).] A sewing lip 2 is formed on a leather insole 1, Fig. 4, by pressing a shaped blank between moulds Mf and Mm, Figs. 5 and 6. Alternatively, the lips may be formed by pressing a large sheet of leather from which the insoles may be subsequently cut. Other material than leather may be used.
Patent GB-620655-A (GB)
Title: Improvements in or relating to electrolytic cells
IPC: C25B1/24
Filed: 1941-11-21
Abstract: An electrolytic cell adapted for the production of fluorine by the electrolysis of liquid mixtures of alkali metal bifluoride with hydrogen fluoride has on the cathode side of the cell non-conducting components fashioned of a polythene.  By non-conducting components are included not only those components whose primary function it is to act as electrical insulators, but also any other component such as a lid or support.  Thus the glands, packing or bosses for insulating the cathode from the remainder of the cell are made of a polythene and the cathode side.  In cells in which the cathode compartment surrounds the anode compartment, the containing vessel may be formed of or coated with a polythene.  The polymer known under the Registered Trade Mark "Alkathene" 20 may be used.  Specification 471,590 is referred to.
Patent GB-584906-A (GB)
Title: An improved manufacture of rubber in cellular form
Filed: 1940-10-08
Abstract: Cellular soft rubber is made by incorporating in a rubber mix a vulcanization accelerator and a gas-producing substance so chosen and proportioned that on heating at a steady temperature vulcanization proceeds rapidly relative to the rate of evolution of gas in the first part of the heating, whereby the partially vulcanized rubber acquires the necessary strength to withstand the pressure of gas liberated in the later part of the heating.  In an example tetramethylthiuramdisulphide is used as accelerator in amount such that the time of vulcanization does not exceed an hour and a half at 100 DEG C., and diazoaminobenzene in amount up to 3 per cent. by weight of the mix.
Patent GB-108405-A (GB)
Title: Improvements in Aeroplane Hangars.
Inventor: ROBINSON PERCY
IPC: E04H6/44
Filed: 1916-10-23
Abstract: 108,405. Robinson, P., and Airey, E. Oct. 23, 1916. Shelters for housing aerial machines. - The hangar is T-shaped in plan and slopes gradually from front to back, thus following in general outline the form of the aeroplane. The walls and roof consist of light timber-framed and crecsoted leaves or sections A bolted or clamped together, so that the hangar can be taken down and reerected elsewhere. The lintel is formed of two or more beams jointed by means of fish-plates and bolts and is supported by cantilever beams D running from front to back over opposite sides of the rear or central bay and bolted to the lintel by means of steel cleats. The beams D serve to stiffen and bind the whole building together. King posts G, carrying ropes F which can be tightened, prevent the lintel from sagging. The walls and roof may be covered with canvas or other light material and the front may be fitted with waterproof canvas curtains, or with collapsible doors.
Patent GB-126558-A (GB)
Title: Improvements in or relating to Grinding and Polishing Machines.
Inventor: MEE ERNEST
IPC: B24B21/18
Filed: 1918-09-16
Abstract: 126,558. Mee, E. Sept. 16, 1918. Band apparatus.-The spindle 7 of one of the band-supporting pulleys is carried in bearings that are mounted by means of screws 9 in yokes 10. The stems of the yokes pass through clamping- brackets 12 on the frame of the machine, and are adjustable endways, the one independently of the other, by means of screws 15. The pulley runs loose on the spindle, which is fixed by a screw in one of the bearings and is slidable in the other. The spindles may be adjusted vertically by the screws 9.
Patent GB-1187360-A (GB)
Title: Metalizing Compositions
Inventor: SHORT OLIVER ALTON
IPC: H01G4/008
Filed: 1968-03-28
Abstract: 1,187,360. Powder metallurgy. E.I. DU PONT DE NEMOURS & CO. March 28, 1968 [March 28, 1967; Feb.14, 1968], No.15048/68. Heading C7D. [Also in Divisions C1 and H1] A metallizing composition for screen-printing on ceramic dielectric comprises an inert vehicle having dispersed therein a powdered alloy consisting of at least three metals selected from Ru, Rh, Os, Ir, Pt, Pd, Ag, Au and Hg, each metal being present in an amount within the range 0À5  to 99% by weight. The inert vehicle, comprising 10 to 90% by weight of the composition, may be water, higher alcohol acetates or propionates, pine oil, α-or # terpineol, solutions of lower alcohol polymethylmethacrylates or ethyl cellulose or the monobutyl ether of ethylene glycol mono-acetate, and may include waxes or thermoplastic resins. The composition may further comprise 1 to 95% by weight of total solids of an inorganic binder, e.g. a glass frit consisting of e.g. lead borate, lead silicate, lead borosilicate, cadmium borate, lead-cadmium borosilicate, zinc borosilicate and sodium-cadmium borosilicate. A wetting agent such as bismuth oxide may be included. The alloy powders may be obtained by mixing acidic solutions of the metal chlorides, precipitating the hydroxides and reducing. The alloy and binder powders should have a particle size less than 40 microns.
Patent GB-727490-A (GB)
Title: Trap nest for poultry
IPC: A01K31/16
Filed: 1952-06-16
Abstract: 727,490. Trap-nests. FELLINGHAM, F. R. Sept. 18, 1952 [June 16, 1952], No. 15055/52. Class 5 (2). A poultry trap-nest, provided with an entrance door 5 closed after a bird has entered, and an exit door 8 released by the egg operating a catch, has the nest base formed of wire with a central opening for the passage of the egg on to a wire shoot along which. it rolls to release the catch, the nest base and the shoot being removable for cleaning purposes. The door 5 is retained in open position by an arm 4 on the frame of the nest base 3, the arm being rocked by the depression of the nest, against the action of a spring 11, under the weight of the bird. The egg rolls along a wire shoot 9 beneath the nest until it encounters teeth 7 which it rocks to release a catch holding closed the door 8 which is under the influence of a spring tending to open it. The door opens into a cage where food and water troughs 12, 13 respectively are provided. To reset the trap, the door 8 is closed and the door 5 is opened by means of a cord 14 passing over pulleys in the roof of the nest. The cage can be dispensed with, in which case the shoot is reversed so that the egg rolls to a position beneath the perch 15 where it is inaccessible to the bird.
Patent GB-102048-A (GB)
Title: Improved Process and Apparatus for the Photographic Production of Ornamental Designs for Printing.
Inventor: BENZ ULRICH
IPC: G03C11/14
Filed: 1916-10-24
Abstract: 102,048. Benz, U. Oct. 30, 1915. [Convention date]. Enlarging, copying, and reducing.-Rosette and strip designs are produced on paper by photographing a basic figure in various positions in an apparatus comprising a casing 4, a lens 5, and frames 3. 3<1> in which carriers for the basic figure and the sensitive paper are respectively mounted. Fig. 3 shows a carrier for the basic figure which is used in the production of rosette designs. A ring 8 rotatable by a worm 9 and hand-wheel 10 is mounted on a plate 6 and carries a ring 13, which is rotatable on pivots 12 and has fitted within it a metal disk 14 having a rectangular recess 16 and a sectorshaped hole 17. The bottom of the recess 16 is in a plane parallel to the faces of the ring 8 and passing through the pivots 12, and the angle of the sector-shaped hole 17 is an even submultiple of 360 degrees. When producing the design. a glass plate bearing the basic figure on a film is placed film downwards into the recess 16 and is photographed in contiguous alternately-reversed positions, a separate exposure being given for each, and the disk 14 being suitably manipulated by the handle 10 and by being turned through 180 degrees about the pivots 12 to place the figure in these positions. The carrier for the sensitive paper on which the rosette designs are produced is a slide in which the paper is mounted on a flat plate. For the production of strip designs. the disk 14 is replaced by another disk having a rectangular recess for a glass plate bearing a design, and a rectangular hole having one longitudinal edge in the diameter of the disk containing the pivots 12; or the plate 6 may be replaced by another plate carrying such a dish non-rotatably. The carrier for the sensitive paper on which strip designs are produced comprises a casing 22, Fig. 2<a>, containing a rotatable cylinder 21 on which the paper is stretched, the cylinder being rotated an appropriate distance, between successive exposures, by means of a pointer arm 26, which indicates its position on a scale 27. In both forms, the carrier for the sensitive paper is provided with side lugs 29 by which it is carried in slots 30, 31 in the frame 3<1>, and with a shutter 32 and handles 33.
Patent GB-871462-A (GB)
Title: Improvements in or relating to apparatus for treating textile fabrics
Inventor: BERRY FRANK THOMAS
IPC: D06B15/08
Filed: 1958-05-12
Abstract: 871,462. Coating webs. BARROW, HEPBURN & GALE Ltd. May 12, 1959 [May 12, 1958], No. 15172/58. Class 140. An apparatus for impregnating or coating textile fabrics F, e.g. with rubber or with polyvinyl chloride, comprises a trough 4 having therein rollers 13 so disposed that each side of the fabric F passing through the trough 4 contacts at least one roller 13, scrapers 16, 18 above the trough, heaters 35 above the scrapers, and driving rollers 31 for leading a web of fabric through the trough, between the scrapers, between the heaters, and downwardly through the rollers 31. The rollers 13 and/or the trough 4 may be adjustable, e.g. the trough 4 may be mounted by nuts, not shown, engaging a screwed shaft 6 at each side of the trough, the shafts 6 being rotatable by means of a hand wheel. The scraper 18 is mounted to pivot about.a pin 21 to override obstructions in the web F, and is also adjustable by means of a nut 22 rotatably mounted on a screwed arm 19 at each end of the scraper 18, the nuts 22 being rotated by hand wheels 24. The shaft on which the wheels 24 are mounted is in two halves which are removably coupled together, so that each end of the scraper 18 may be adjusted independently. The coating material in liquid form is delivered from a supply 38 to the trough 4, means for automatically controlling the delivery being provided, and the heaters 35 may be infra-red radiators. The rollers 31 are cooled, e.g. with water delivered from a conduit 37.
Patent GB-881968-A (GB)
Title: A process for the production of addition polymers from monomeric vinyl compounds andunsaturated cross-linked polyester resins
IPC: C08G63/676
Filed: 1959-05-04
Abstract: The Specification comprises addition polymers of monomeric vinyl aromatic compounds with unsaturated cross-linked polyester resins which contain endomethylene tetrahydrophenyl radicals, endomethylene hexahydrophenyl radicals, 2,5-methylene-bicyclo-[0,3,4]-nonenyl, radicals or 2,5-methylene-bicyclo-[0,3,4]-nonyl radicals.  The said radicals are preferably introduced into the unsaturated polyester resins by using a monohydric alcohol such as dicyclopentadienyl alcohol, dihydro-dicyclopentadienyl alcohol, endomethylene tetrahydrobenzyl alcohol and endomethylene hexahydrobenzyl alcohol. Maleic acid or its anhydride is used as the essential dicarboxylic acid component, with or without the addition of phthalic anhydride. Aconitic acid or pyromellitic acid may be used as polycarboxylic acids.  The alcohols may also include ethylene glycol, propylene glycol, glycerine, trimethylol propane, pentaerythritol or alcohols derived from sugars, such as mannitol. The products may be reinforced by glass, asbestos, and textile fibres.  In examples, polymerization is effected in the presence of benzoyl peroxide, cyclohexanone peroxide, and methyl ethyl ketone hydroperoxide.  N-hexanol, n-octanol xylene, hydroquinone, methyl ethyl ketone, dibutyl phthalate, adipic acid, cobalt naphthenate, calcium carbonate, barium sulphate, titanium dioxide, kaolin and powdered glass may also be added. Specification 844,739 is referred to.
Patent GB-951806-A (GB)
Title: Improvements in or relating to data storage devices
Inventor: ROZNER FELIX
IPC: G11C17/02
Filed: 1961-04-27
Abstract: 951, 806. Table look-up apparatus. INTERNATIONAL COMPUTERS & TABULATORS Ltd. April 26, 1962 [April 27, 1961],No. 15258/61. Heading G4A. [Also in Division H3] A data storage device comprises a carrier member 1 provided with at least one first conductor 5 and a plurality of second conductors 11, the first conductor or conductors providing a plurality of coupling points with the second conductors, a single coupling member 15 of magnetisable material adjacent the coupling points to couple the conductors at the points, and inhibiting means at at least one coupling point to inhibit coupling between the conductors at that point. Mutually perpendicular input conductors 5 and output conductors 11 are printed on opposite sides of each board 2, a stack of which are separated by spacers 3. Core 15 provides coupling between input and output, corresponding to a binary "1", the absence of a core corresponding to a "0". Furthermore each core 15 has inhibiting cylinders 22 (e.g. of copper) or coils of wire 29, arranged on it to inhibit coupling at predetermined locations, which also correspond to a "0". Each coupling location may be separated from the next on the core by a narrow conductive collar, or adjacent input conductors may magnetise the core in opposite directions. Cores 15 may be hollow tubes and may be secured to a front panel for simultaneous removal of all cores. The two sets of conductors may be printed on separate panels. The assembly may be potted. The Provisional Specification states that an input conductor 5 may embrace some of the cores 15 in two adjacent rows.
Patent GB-1047653-A (GB)
Title: Attachments for use with drilling machines
Inventor: GOODWIN JOSEPH TREVOR
IPC: B25D17/00
Filed: 1964-04-14
Abstract: 1,047,653. Cam mechanisms. JOHN M. PERKINS & SMITH Ltd. April 14, 1965 [April 14, 1964], No.15326/64. Heading F2K. An attachment for use with drilling-machines comprises coaxial input and output shafts 15, 12 rotatable in a housing 10 and connected by splines 27, 28 permitting relative axial shaft movement, an input shaft collar 18 bearing on a housing closure member 11 through a thrustbearing 20, and cam means consisting of interengageable annular rows of hardened steel balls 23, 26 respectively pocketed in an output shaft enlargement 21 and a ring 24 fixed to the housing enclosure member, the arrangement being such that when the housing is manually held against rotation, whilst the input shaft is rotated and axial load is applied to the housing through the input shaft, the cam means is operative to impart axial percussive movements to the output shaft, and when the housing is permitted to rotate the cam means is rendered inoperative. The input shaft collar may act on the thrust bearing 20 directly or through Belleville washers 19. The number of balls is chosen to suit the required number of percussive movements per output shaft revolution. The output shaft may re. ceive a drill chuck or drill bit, and the input shaft may be gripped by a drilling machine chuck.
Patent GB-149822-A (GB)
Title: Improvements in, or relating to switch and fuse contacts
IPC: H01H1/42
Filed: 1919-06-19
Abstract: 149,822. Fletcher, F. P. June 19, 1919. Contacts of the spring-clip type for electric switches, fuses and other electrical apparatus, adapted to engage with a co-operating curved contact surface are formed from a single piece of spring metal bent so as to give two sides A, the ends of which are bent inwards in a volute curve. The inside edges of these ends are set apart a distance slightly less than the diameter of the curved contact a, and the depth of the clip contact is such as to arrest the contact a as soon as its widest portion has passed the jaws of the spring contact. Projections C may guide the contact a into correct position. Portions B may be formed on the contact to clip it on to an insulated bar. A switch blade for use with the contact described may be constructed as in Fig. 5, the contact end whereof is divided into two parts, each bent backwards in a volute curve.
Patent GB-845683-A (GB)
Title: Ethylene polymerization
Inventor: PAJACZKOWSKI ANDRZEJ
IPC: C08F4/36
Filed: 1958-05-14
Abstract: Ethylene is polymerized at a pressure above 500 atmospheres and a temperature above 40 DEG C. using as catalyst an a -ketopercarboxylate of formula X.CO.CO.OO.R where R is a hydrocarbon radical free from non-aromatic unsaturation and is attached to the oxygen atom through a tertiary carbon atom and X is either -OOR or -OY, Y being a hydrocarbon radical free from non-aromatic unsaturation.  The percarboxylate may be a peroxyoxalate in which R is a t-butyl, dimethylbenzyl, t-amyl, p-menthyl, phenylcyclohexyl, p-isopropyl-a , a -dimethylbenzyl or decalin radical.  The process may be made batchwise or continuous, may be carried out in the presence of a chain transfer agent such as hydrogen, ethane, propane, cyclohexane or carbon tetrachloride and may be carried out in bulk or in an inert liquid medium such as benzene or petroleum ether.  The ethylene may be copolymerized with other monomers e.g. vinyl esters, methyl methacrylate and propylene.ALSO:Decalin peroxalates are made by reacting decalin hydroperoxide with the dichloride of oxalic acid or the chloride of a monoester of oxalic acid.  Di-t-butylperoxy oxalate is made from t-butyl hydroperoxide and oxalyl chloride and details are given in Ex. 1 of how the peroxyester may be obtained in a pure, crystalline form.