baber/WOPTO huggingface dataset:
Patent GB-179135-A (GB)
Title: Improvements in the manufacture of bates and in the operation of bating
IPC: C14C1/08
Filed: 1921-09-28
Abstract: In the manufacture of bates for leather from dung or materials containing enzymes, an activator such as magnesium or calcium hydroxide is added, the bate being extracted with a dilute solution of one of these substances and subsequently neutralized. Treatment of dogs' dung or the pancreatic gland in this way results in the increased formation and transformation of the pro-enzyme in consequence of the presence of hydroxyl ions, the concentration of which should be kept within certain limits. After extraction, the hydroxyl ions may be neutralized, preferably with lactic acid, so that the alkalinity does not exceed 0.1 per cent.  Magnesium hydroxide is preferably used, as, owing to its low solubility, it may be added in the form of a suspension without exceeding the hydroxyl ion concentration.  As an example, the freshly-dried constituents of the pancreatic gland or of dogs dung are treated, at ordinary temperatures or at about 40 DEG  C., with a solution of calcium hydroxide having an alkalinity of 0.1 per cent, or with a suspension of magnesium hydroxide, as long as nitrogenous matter is dissolved, the nitrogen content being estimated by Kjeldahl's process.  When the extraction is complete, the solids are removed by filtration and the alkalinity ascertained, sufficient acid being then added to reduce the alkali concentration to 0.05 per cent.  The liquid is then charge into airtight sheet metal cans to prevent further activation.
Patent GB-848112-A (GB)
Title: Plywood container, especially for glass carboys
Inventor: KENNA JAMES HERBERT
IPC: B65D81/05
Filed: 1957-08-15
Abstract: 848,112. Carboy containers. VENESTA Ltd. Aug. 8, 1958 [Aug. 15, 1957], No. 25813/57. Classes 18 and 66. A plywood container for a glass carboy comprises an upper drum 10 engaging a lower drum 1, rubber cushions 18, 8 engaging the top and bottom of the carboy, and a lining 5 in the lower drum resiliently mounted by rubber rings 6. A member 14 in the upper drum has a rubber ring 17 engaging the neck of the carboy. String or wire passed through rings 7 on the lining 5 secures the carboy in the lower drum. Handles 9 are fitted to the lower drum and toggle fasteners secure the upper and lower drums together.
Patent GB-1288147-A (GB)
IPC: C08G2/18
Filed: 1970-05-28
Abstract: 1288147 Treating oxymethylene polymers UBE INDUSTRIES Ltd 28 May 1970 [4 June 1969] 25832/70 Heading C3P The heat resistance of high molecular weight polymers consisting predominantly of oxymethylene repeating units and having an inherent viscosity of from 3 to 12 is improved by treating the polymer with (a) a capping agent which is an acid anhydride, an oxyalkylene diester or a linear oxyalkylene diether; and (b) a Lewis acid and terminating the treatment before the inherent viscosity of the polymer falls below 0À7. The oxyalkylene diester may have the formula and the linear oxyalkylene diether may have the formula wherein R is alkylene; R 1  and R 2  are each C 1-18  alkyl or aryl groups; an n is an integer from 1- 10. The Lewis acid is preferably a Friedel-Craft halide, e.g. BF 3 , or a complex of the halide with an ether, ester, cyclic ether, acid anhydride, alcohol, ketone or water. The reaction may be stopped by addition of an alcohol, water, an amine, an amine oxide, a phosphine, urea or a derivative thereof, a lactam, a lactone or a ketone, as stopping agent.
Patent GB-747763-A (GB)
Title: Improvements in or relating to metal extrusion presses
Inventor: NORMAN ERIC
IPC: B21C27/04
Filed: 1952-10-15
Abstract: 747,763. Extruding. LOEWY ENGINEERING CO., Ltd. Jan. 15, 1954 [Oct. 15, 1952], No. 25848/52. Class 83 (4). The billet container 10 of a metal extrusion press has one or more air escape channels 14 each provided with a cleaning rod 15 which is adapted to pierce any blockage in the channel. The rod is biased outwardly by a spring 16 and is actuated by a fluid pressure piston 18 to cause the tip 15<SP>1</SP> of the rod to enter the throat portion 14<SP>1</SP> of the channel. The supply of pressure fluid to the piston may be controlled from a remote position or may be controlled automatically by a moving part of the press after the termination of extrusion. Specification 699,082 is referred to.
Patent GB-1467383-A (GB)
Title: Daunomycin analogues
IPC: A61K31/704
Filed: 1974-06-12
Abstract: 1467383 Daunomycin analogues SOC FARMACEUTICI ITALIA SpA 22 May 1975 [12 June 1974] 26083/74 Heading C2C  Novel daunomycin analogues of the general formula  wherein (a) each R 1  is a hydrogen atom and each R is a hydrogen, chlorine or bromine atom or a methyl or methoxy group or (b) each R 1  is a chlorine or bromine atom or a methyl group and each R is a hydrogen atom, are prepared by condensing 2,3,6-trideoxy-3-trifluoroacetamido- 4 - O - trifluoroacetyl - α - L - lyxopyranosyl chloride with the appropriate anthracyclinone in an anhydrous solvent in the presence of mercuric oxide and/or bromide and a molecular sieve, treating the resulting N,O-protected daunomycin analogue with methanol to eliminate the O-trifluoroacetyl group on the sugar moiety and then treating the resulting N-protected derivative with an alkali. () 4-Demethoxy-daunomycinone is prepared by subjecting the corresponding 7-methyl ether to ether-cleavage.
Patent GB-666676-A (GB)
Title: Improvements relating to the production of shaped bodies of ferrous metals infiltrated with a cuprous infiltrant
IPC: C22C33/02
Filed: 1949-10-11
Abstract: A method of producing a metal article having a porous skeleton of compacted ferrous particles infiltrated with a cuprous infiltrant and containing less than 0.25 per cent of carbon, comprises heating the ferrous skeleton and cuprous infiltrant at a temperature between approximately 1,100 DEG  C and 1,250 DEG C to melt the infiltrant and fill the pores of the skeleton therewith, maintaining the resulting body at a temperature above the melting point of the infiltrant and below that of the skeleton for approximately 1-6 hours to cause diffusion between the infiltrant and skeleton and penetration of the ferrous particles substantially completely by constituents of the infiltrant, cooling at a rate to soften the body for further shaping and reheating to cause diffused infiltrant to precipitate and thereby to strengthen the body.  The body may then be solution treated at or above about 840 DEG C and precipitation hardened at 300 DEG -600 DEG C. The ferrous powder used to form the matrix may contain alloying constituents such as Cr, Mn, W. Ta, V, Ti, Si, Al, Cu, Ni and/or Co. The cuprous infiltrant may have the composition Cu 90 per cent, Fe 2 per cent, Mn 8 per cent.  The production of parts for jet-propulsion turbines is referred to.
Patent GB-1317096-A (GB)
Title: Valve arrangement for suction tubes
IPC: A61M1/00
Filed: 1971-04-19
Abstract: 1317096 Valves K O ARISLAND 19 April 1971 [6 April 1970] 26179/71 Heading F2V A valve for suction tubes, e.g. in suction hoses, straws, lip-cups, feeding bottle suckers for babies or in space ships, is arranged automatically to relieve vacuum in a container when suction ceases and also to close on overpressure in the container to prevent escape of liquid. The valve is responsive to pressure variations on both sides relative to the container. As shown, two valve closures 6a, 6b in series are fast with a piston 4 which is exposed to atmospheric pressure on the side remote from the closures through a passage 8. Three other embodiments, Figs. 2 to 4 (not shown), are differently arranged. In Fig. 2, arrangement is similar to that of Fig. 1 excepting that the closure 6a is omitted. In Fig. 3, two closure members (16) are interconnected by a rack and pinion device (17, 18) so as to open and close together in the axial direction of the tube.
Patent GB-1046999-A (GB)
Title: Improved packing material
IPC: F16J15/20
Filed: 1965-06-21
Abstract: An article suitable for use as a packing material in for example pumps comprises braided glass fibres impregnated with polytetrafluoroethylene or monochlorofluoroethylene polymer.  The article may be produced by forming a twisted bundle of individual fibres which may be individually twisted, braiding these bundles, impregnating the braided structure produced with an aqueous dispersion of the polytetrafluoroethylene or monochlorofluoroethylene polymer, e.g. for 10 seconds to 10 minutes, at 50 DEG -150 DEG F., drying, e.g. at 70 DEG -250 DEG F., and reducing the structure to the desired size, e.g. by calendering. Alternatively the individual fibres or twisted strands of fibres may be impregnated with the polytetrafluoroethylene or monochlorofluoroethylene polymer prior to braiding and the structure after braiding subjected to a second impregnation with the polytetrafluorethylene or monochlorofluoroethylene polymer. The article may be encased in a jacket of braided polytetrafluoroethylene filaments or monochlorofluoroethylene polymer filaments which are further impregnated with fluoroethylene polymer.  The aqueous dispersions of the fluoroethylene polymers may also contain wetting agents, e.g. the sodium salt of sulphuric acid ester of monohydric alcohols comprising predominantly lauryl alcohol, octylphenyl polyglycol ether and the butyl amine salt of dodecyl benzene sulphonic acid, and mica.
Patent GB-445538-A (GB)
Title: Manufacture of 2-methyl-ª‰ª‰-naphththiazole and substitution products thereof
IPC: C07D277/84
Filed: 1934-09-13
Abstract: 2-Methyl-b  : b <1>-naphththiazole containing a mercapto group in the naphthalene nucleus is made by reducing in acid solution a 2-naphthylamine-disulphonic acid, containing one of the sulpho groups in the 3-position, to the corresponding di-mercapto compound and condensing the latter with acetic acid, acetic anhydride or acetyl chloride.  The product may be heated with a reducing metal to give 2-methyl-b  : b <1>-naphththiazole, or treated with dimethyl sulphate in alkaline solution to give a methyl thio-ether.  The reduction of the 2-naphthylamine-disulphonic acid is preferably carried out by converting the sodium salt to the corresponding sulphochloride, and reducing the latter with tin or zinc in acid solution.  In examples: (1) sodium 2-amino-3 : 6-naphthalenedisulphonate is converted by means of phosphorus pentachloride to the sulphochloride, the latter is reduced by zinc and hydrochloric acid to the di-mercapto compound, which is then condensed with acetic anhydride; (2) 2-methyl-7-sulphhydroxy-b  : b <1>-naphththiazole, obtained as in example 1, is heated with iron powder to give 2-methyl-b  : b <1>-naphththiazole and in (3) it is treated with dimethyl sulphate to give the methyl thio-ether; (4) sodium 2 - amino - 3 : 7 - naphthalene disulphonate is treated as in examples 1 and 3.
Patent GB-164648-A (GB)
Title: Improvements in or relating to bedstead fittings
IPC: F16B12/56
Filed: 1920-09-14
Abstract: 164,648. McSkimming, J., and Maguire, R. Sept. 14, 1920. Joints.-Comprises a base-plate 1 for attachment to the corner post 2 of a bedstead, a bracket arm 3 for engagement with the side member 4,. and an eyebolt 7 adapted to take a pin 6 depending from the upper side of the member 4, a socket 5 of the arm 3 receiving the pin 6. The parts are locked together by screwing a wing nut 8. The fitting may be used for either right or left hand bedposts, and is preferably formed with an arm 9 for attachment of a lateral member.
Patent GB-534288-A (GB)
Title: Improvements in or relating to copper base alloys
IPC: C22C9/00
Filed: 1939-09-21
Abstract: 534,288. Alloys; annealing. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Sept. 21, 1939, No. 26352. Convention date, Oct. 21, 1938. [Classes 72 and 82 (i)] Copper alloys contain 0.5-3 per cent. of cobalt, 0.5-3 per cent. of iron, and 0.05-0.5 per cent. of beryllium, the ratio of cobalt to iron being preferably 0.5-1.25 : 1. Heat treatment may comprise quenching from 750-1075‹C. followed by ageing at 450-600‹C.
Patent GB-446234-A (GB)
Title: Improvements relating to sensitive photographic elements
IPC: G03C1/83
Filed: 1934-09-24
Abstract: 446,234. Screening-layers for photographic sensitive materials. KODAK, Ltd., Kingsway, London.-(Eastman Kodak Co. ; 343, State Street, Rochester, New York, U.S.A.) Sept. 24, 1934, No. 26382 /35. Divided out of 447,748. [Class 98 (ii)] A coloured screening-layer for use with sensitive materials comprises a colloid medium containing a colloidal suspension of a vat dye, other than an indophenol, produced within the colloid by oxidation of soluble starting materials. These starting materials may be leuco bodies or water soluble components thereof. The photographic material may comprise a support carrying a single emulsion layer, the screening layer being arranged on the opposite side of the support, between the support and the emulsion, or over the emulsion layer. Alternatively it may form part of the emulsion layer. In the case of emulsions of mixed grains of silver halide sensitized to different colours, the screening layer may form a coating on one or more of the sets of grains. Where two or more sensitive layers are present, the screening layer may be be. tween these layers. Examples are given of (1) thioindoxylic acid or thioindigo white oxidized by potassium ferricyanide ; (2) thioindoxylic acid coupled with diethyl-pphenylene diamine and oxidized as above ; (3) p-nitrophenyl acetonitrile (or 2 : 4-dinitrophenyl acetonitrile) coupled with diethyl-pphenylene diamine and oxidized as above and (4) acetoacetanilide coupled with diethylp-phenylene diamine and oxidized as above. A list of other suitable vat dyes is given in the Specification. As colloids, gelatin, starch, or gum-arabic may be used. The dyes may be bleached, after development and fixation of the sensitive material, by reduction, e.g. with sodium hydrosulphite or bisulphite. The layers may be used for antihalation purposes. Specifications 390,093 and 444,198 are referred to.
Patent GB-666476-A (GB)
Title: Improvements in or relating to formwork for casting aerated concrete and like materials
IPC: E04G11/12
Filed: 1947-10-01
Abstract: 666,476. Wall shuttering. COLLINS, E. V., and WIMPEY & CO., Ltd., G. Oct. 1, 1948 [Oct. 1, 1947; Feb. 4, 1948], Nos. 26543/47 and 3318/48. Class 20(ii) Shuttering 15 for casting walls in situ for a building, more particularly of aerated concrete, extends for the full storey height and has a knife edge at its foot which cuts into a damp-proof course 13 of bituminous felt &c. and forms a seal. Horizontal channel walings 11 adjustable in length and threaded through holes in flat plates 27 secured between the flanges of the metal shuttering. The shuttering is formed into cells by webs 126 clamped between the shutter flanges, and doors and windows are cast in cells formed by webs 25 by means of collapsable cores (not shown). The cores may have vertical risers up which the concrete rises. Tie pads 20, Fig. 4, connecting opposite shuttering are held between the flanges of the shutters by means of clips 31, Fig. 4, embracing turned back edges of the shutter flanges, a cotter pin 35 passing through the tie bar and clip. Shuttering for the roof is mounted on tie pads left embedded at the top of the wall and telescopically adjustable shuttering, Fig. 10 (not shown), is described for the eaves. In a modification the shutter flanges have beaded edges on which are slid and bolted tie pad clips 51, Fig. 5, in slots in which the tie bars 56 are secured by a wedge 57. The clips 51 have portions 54 supporting the walings 59. A further modification having tubular walings comprises a bridge piece, Fig. 7, which embraces the walings by arches 73 and is bolted to a box shutter between two shutters, the upper end 63 being bolted to the outside of this shutter and the lower end 64 being enclosed and bolted therein. A tie bolt passes through part 85. The bridge piece may be bolted to a wooden lath clamped between two shutters. The first Provisional Specification also describes webs retained in place by recesses on the inside of the shutters and tie bolts for the shuttering embracing the webs alternatively lugs on the webs pass through and are secured to the shuttering. The second Provisional Specification describes telescopic shuttering and also clips for securing tie-bars comprising arms pivoted together and gripping the shutter flanges by means of pads and secured to tie-bars by holed plates and cotter pins. Specification 666,487 is referred to.
Patent GB-865823-A (GB)
Title: Improvements in or relating to a peg for a perforate board
IPC: A47F5/08
Filed: 1958-08-19
Abstract: 865,823. Signs; displaying. BISSON, G. N. Aug. 12, 1959 [Aug. 19, 1958], No. 26578/58. Class 3(2) [Also in Group XXV] A peg for mounting on a pegboard so as to act as an indicator or secure articles thereto comprises a shank portion 13, a positioning or locating flange 14 and an apertured protrusion 15 for receiving a second peg, a series of interconnected pegs or a hook, (see Figs. 7, 9 and 10 respectively, not shown). The pegs may be made of plastic material and provided with flange portions of square, hexagonal or other polygonal cross-section.
Patent GB-939346-A (GB)
Title: Improvements in and relating to edge connectors for printed circuit panels
Inventor: CLEWES ANTONY BRASHER
IPC: H01R12/70
Filed: 1960-07-29
Abstract: 939,346. Two part couplings. CARR FASTENER CO. Ltd. July 12, 1961 [July 29, 1960; Nov. 18, 1960], Nos. 26591/60 and 39817/60. Class 38 (1). An edge connector for a printed circuit panel comprises an insulating body 21 (Fig. 2 of the Complete Specification) provided with a series of contact receiving apertures 24 separated by inwardly extending web-like walls 25 defining a longitudinal panel receiving slot 26, one or both ends of the body being formed with separate moulded synthetic plastic end-piece adapted for detachably securing thereto and also to a support. The end-piece (Fig. 3 of the Provisional Specification) formed of sheet metal has an end wall 4, side walls 5 and 6 formed with lugs 7 and a flange 8 at the lower end terminating in lugs 9. The end-piece is snapfitted to a body member 1 (Fig. 4) so that the lugs 9 engage the flange 2. In a modification (Fig. 4 of the Complete Specification) an endpiece of different form completes the slot 26 engaging the body 21 by a vertical sliding fit into the endmost aperture 24. According to the Provisional Specification the contact apertures may be on one side only of the slot. Also the connector may be secured by the end pieces on a member having a slot with the tail pieces of the contacts in the connector passing through this slot.
Patent GB-1255381-A (GB)
Title: Mounting for a read/write head
Inventor: HASLER WERNER
IPC: G11B5/60
Filed: 1969-05-27
Abstract: 1,255,381. Head supports. INTERNATIONAL BUSINESS MACHINES CORP. 27 May, 1969 [31 May, 1968], No. 26704/69. Heading G5R. The spacing of a head 12 from a record 12 is controlled by regulating the air pressure in a chamber 11 containing a spring 4 biasing the head into the chamber and an elastic diaphragm 3 hermetically sealed to the chamber and a mounting 13 for the head. A part 18 damps head movement and a needle valve 10 regulates air flow from chamber 9 to chamber 11 via duct 8.
Patent GB-440874-A (GB)
Title: Improvements relating to the manufacture of footwear
IPC: A43B13/00
Filed: 1934-05-05
Abstract: 440,874. Boots and shoes. MACCARONE, F., 2084, Ocean Parkway, Brooklyn, New York, U.S.A. May 5,1934, No. 26734/35. Convention date, May 15, 1933. Divided out of 440,801. [Class 17 (ii)] [See also Group VIII] A rounded sole blank is depressed over a central area of its ball portion and is then split at or above the level of the depressed area to obtain an insole with an aperture at the ball portion, and a complementary outer sole. The depressed portion is restored to its normal undepressed condition, for example after the upper has been lasted on the insole on a last, as shown in Fig. 9. The rounded sole blank shown at 30, Fig. 1, which has preferably been incised at 32 to define the margin of the insole, as described in Specification 440,801, may be clamped between co-operating die members so as to form a depression 35 in the blank. The blank 30 is then preferably reinforced by a backing member 36, Fig. 3, of durable and somewhat flexible composition material of a shape complementary to the blank, and passed between the rollers 37, 37 of a conventional leather splitting machine with blade 38. The complementary insole and outer sole are assembled as shown in Fig. 9, with the projecting portion which results after the depression 35 in the outer sole has been restored, in the aperture in the insole, as shown in Fig. 9. U.S.A. Specification 1,569,823 also is referred to.
Patent GB-985585-A (GB)
Title: Conductive coated electrode
IPC: H01M50/531
Filed: 1962-07-11
Abstract: 985,585. Battery electrodes. DOW CHEMICAL CO. July 11, 1962 [July 21, 1961], No. 26736/62. Heading H1B. A bi-polar electrode consists of a magnesium or magnesium alloy plate coated with a thermoset or amine cured composition of from 50- 70% finely divided carbon and from 50-30% of epoxy resin as defined in the Specification. The epoxy resin surface may be given a conductive coating of e.g. silver.
Patent GB-638824-A (GB)
Title: Improvements in knitting needles, and chiefly in needles for repairing runs in stockings
IPC: D04B17/04
Filed: 1946-09-06
Abstract: 638,824. Hand sewing-tools. ETABLISSEMENTS VITOUX. Sept. 6, 1946, No. 26774. Convention date, April 11, 1940. [Class 112] In a relooping needle comprising a body 1, with a hook, and a latch 3 pivoted at 4 and moved by the action of the thread, the body is provided in the lower part with a ramp 9 which in combination with the adjacent part of the latch 3 forms an angle in which the lower thread engages to lift the latch when the needle is moved in one direction, so that the upper thread is guided into a slot 6 in the latch. In the form shown, in which the latch has a lower projection 8, the incline 9 connects two straight surfaces of the body, and the body is also formed with a parallel incline 10 to retard the movement of the loop down the body. In a modification, Fig. 5 (not shown), the lower side of the member 3 is flat, and the lower side of the body 1 is formed with a hollow to bring the thread into contact with the latch, one side of the hollow forming the ramp. Specification 638,821 is referred to.
Patent GB-391027-A (GB)
Title: Clamping device for leather-more particularly sole sewing machines
IPC: D05B15/00
Filed: 1932-09-27
Abstract: 391,027. Sewing-machines. RAFFLENBEUL GES., G., Schwelm, Westphalia, Germany. Sept. 27, 1932, No. 26847. Convention date, Dec. 16, 1931. [Class 112.] Presser-bars.-A device for clamping leather during stitching has a presser-bar lifted periodically or by hand, with a tension increased according to the thickness of the work. The presser-foot 3, co-operating with the support 4, is carried by an arm 2 pivoted on a shaft 1 fixed to the machine. The lower part of the arm 2 is connected to a rod 7 carrying the presser spring 6. The pin 13 to which the rod 7 is connected, slides in a slot 10 in the arm and is journalled in a link 12 pivoted to the machine at 11. The greater the thickness of the work, the greater the tension applied by the spring 6. The shifting of the pin 13 in the slot 10 also tends to increase the tension of the spring 6 as the work gets thicker. The pressure of the presser is periodically increased for stitch forming, by the lever 14, 14<1> carrying a roller 15 running over the periphery of a cam 17. This lever periodically moves the block 9 to increase the tension of the spring 6. The presser is released periodically for feeding movement by the roller 19 running over a cam 18. This roller is connected by the links 15, 26 to a free-wheel device 30. A handlever 22 is provided for lifting the presser by hand when desired.