baber/WOPTO huggingface dataset:
Patent GB-1328146-A (GB)
Title: Method and means for applying bad closures
IPC: B65B51/04
Filed: 1970-10-26
Abstract: 1328146 Applying bag fasteners HYBRID TURKEYS Ltd 26 Oct 1970 [27 Oct 1969] 50749/70 Heading B8C [Also in Division B6] A closure is applied to a bag by conveying the bag through a station where the neck of the bag is gathered and aligned with a closure opening, and rotating the closure relative to the bag neck whereby to apply the closure to the gathered bag neck. As shown, in which bags are fed continuously by a conveyer 21, the open neck of each bag overlies a platform 27 where rotating brushes 25, 26 flatten the neck, as the neck is nipped between and carried forward by a pair of belts 50, 39 which cause the flattened neck to be gathered into a bunch and to raise a lever 35. Movement of lever 35 actuates a switch 64, which through a relay (140), Fig. 18 (not shown), and an air valve (not shown) causes movement of a piston 86 controlling the operation of a knife 83 for severing a fastener junction 77 in a strip of fasteners positioned in a fastener magazine guide channel 32. Air is also supplied to a piston (72), Fig. 5 (not shown), which actuates a lever arm (58), carrying a pulley (53), to engage a belt 51 with the belt 39. The nip between belts 51, 39 engages the bag neck and pulls it between the belts against the resistance of a severed fastener 76. A rear surface of the fastener is curved and bears against surfaces of a channel (111), Fig. 12 (not shown), of a block 110 such that as the bag neck pulls the fastener 76, it is rotated on to the bag neck and breaks a second junction 78 between adjacent fasteners. The piston 86 is returned to its original position by actuation of a switch lever (74) caused by movement of the lever arm 58. The fastener strip is moved to position a fastener 76 to its applying position by a pawl mechanism 87 which is actuated by movement of the piston 86 to which the mechanism is connected through an arm 85, the final position of the fastener being determined by a pawl 90 which seats in the junction 77 between adjacent fasteners of the strip. A printing unit 34, Fig. 16, comprising a solenoid-operated printing block mounting 115 is synchronized with movement of the piston 86 to print each fastener at the completion of downward movement of the piston 86. The apparatus is controlled by an electric circuit, Fig. 18 (not shown).
Patent GB-1510670-A (GB)
Title: Watercraft for recovering spilled oil
IPC: E02B15/10
Filed: 1975-12-12
Abstract: 1510670 Scavenging vessel MITSUI OCEAN DEVELOPMENT & ENG CO Ltd 12 Dec 1975 [22 April 1975] 50945/75 Heading B1D [Also in Division B7] A craft for recovering oil from a body of water comprises a inlet with an upper sloping surface 5 extending to the entrance of a well 6 which is disposed upwardly therefrom to an outlet 9, a guide plate 10 disposed beneath the well 6, and a device 11 for sucking the liquid from the well 6 and passing it to a separating tank 16. The craft is formed with port and starboard bulls 2 and 3 which form storage tanks for the separated oil, and a central section 4. Baffles 7 reduce turbulance at the inlet to the well 6. The separating tank 16 comprises an inlet 17, perforate partitions 20 and weirs 21 leading to port and starboard oil chambers 22, 23. The separated water is returned to the well 6 via a pipe 34. Each port and starboard oil chamber 22, 23 is connected respectively to the starboard and port oil tank 28, 29 via pipes 24, 25 to assist in righting the craft upon healing. The flow of pumped liquid to and from the separator 16 is controlled manually with the aid of sight glasses 13, 36, Automatic control can be used with the aid of an ultrasonic detector to measure the thickness of the oil layer in the well 6. Oil is pumped from the craft via an outlet valve 37.
Patent GB-1111868-A (GB)
Title: Copolymers for tanning leather
IPC: C08F220/06
Filed: 1965-12-02
Abstract: A copolymer comprises 80 to 90% by weight of acrylic acid and/or methacrylic acid and 20 to 10% of an unsaturated sulphated oil. Suitable animal and vegetable oils are listed.  The polymerization may be carried out in an aqueous medium containing an initiator, e.g. H2O2, lauroyl peroxide or ammonium, sodium or potassium persulphate and a chain transfer agent such as hydroxylamine or a salt thereof, e.g. hydroxylamine sulphate, mercaptoethanol, mercaptopropanol, thiodiglycol, thioglycollic acid, ascorbic acid and isoascorbic acid. The copolymer solutions produced are used for tanning leather, additional water and optionally a salt, e.g. NaCl, Na2SO4 or NaOCOCH3 being added (see Division C6).  In examples copolymers of methacrylic acid, with and without acrylic acid, and sulphated castor, sperm, neats-foot, codfish or soybean oil are prepared.ALSO:A tanning liquor comprises an aqueous solution of a copolymer of 80 to 90% by weight of acrylic acid and/or methacrylic acid and 20 to 10% of a sulphated unsaturated oil.  A salt, e.g. NaCl or Na2SO4, is included in the solution, unless the skin being treated has been previously tanned, e.g. chrome- or zirconium-tanned.  After tanning with the copolymer solution the skin may be retanned conventionally.  Suitable sulphated animal and vegetable oils are specified.  The aqueous solution of the copolymer may be formed, from its components, in the presence of a polymerization initiator, such as hydrogen peroxide, lauroyl peroxide, ammonium, sodium or potassium persulphate, and, if desired, a chain-transfer agent, such as hydroxylamine, hydroxylamine sulphate, mercaptoethanol, mercaptopropanol, thiodiglycol, thioglycollic acid, ascorbic acid or isoascorbic acid.
Patent GB-1519390-A (GB)
Title: Apparatus for the trestment of liquid media
IPC: B01F3/04
Filed: 1976-12-09
Abstract: 1519390 Aerating liquids; destroying foam SULZER BROS Ltd 9 Dec 1976 [10 Dec 1975] 51478/76 Headings B1C and B1M In apparatus for dispersing a gas in a liquid (e.g. sewage) the liquid is circulated through a vessel 1, gas being induced into the liquid by an ejector device 8 (or injected under pressure into the conduit 4, see Fig. 2, not shown); the liquid/gas stream undergoes changes of direction in the vessel to promote mixing, and foam formed thereby collects in the space 13, is projected through an orifice or nozzle 16 on to an impact plate 17, and is returned into the fluid flow by the ejector device 11. In a modification (see Fig. 3, not shown) the ejectors 8, 11 are interchanged. If the apparatus is used for a continuous process, liquid enters at 5 and leaves at 6; gas is vented at 8. The vessel may have heat insulation 7.
Patent GB-1467640-A (GB)
Title: Piston and seal assemblies
IPC: F16J15/32
Filed: 1973-11-07
Abstract: 1467640 Pistons; master cylinders GIRLING Ltd 25 Oct 1974 [7 Nov 1973] 51680/73 Headings F2F and F2T A piston 1, in a vehicle brake system, has a retaining ring 8 for limiting the extent to which parts 5 and 7 of seal 4 flex to open ducts 12, on the recuperative stroke. The thickness or shape of the rim of ring 8 may be chosen to give a clearance B, in accordance with the amount of flexure material. The seal 4, together with annular plate 11, also moves axially.
Patent GB-1446000-A (GB)
Title: Rolling bearings for suspension struts of motor vehicles twisted nematic liquid crystal display
IPC: B60G15/06
Filed: 1973-11-07
Abstract: 1446000 Strut-type suspensions SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 7 Nov 1973 [18 Nov 1972] 51721/73 Heading B7D [Also in Division F2] A rolling bearing for accommodating axial thrust loads from a suspension strut of a motor vehicle comprises a sheet metal inner race 2, a sheet metal outer race 1, and an annular series of rolling elements 5 arranged to roll on both bearing races, wherein the inner bearing race comprises a sleeve portion 6 extending in one axial direction beyond the outer race and a portion 13 integral therewith extending with at least a radial component away from the sleeve portion, the outer bearing race having a portion 14 extending radially towards said sleeve portion of the inner bearing race and a portion 20 integral therewith extending with at least a radial component in the other axial direction beyond the inner bearing race to terminate radially outwardly of the portion 13, all the rolling elements being disposed between the portions 13, 14. An annular flange 16 may be provided at one end of the sleeve portion 6, an annular ring seal 17 or disc seal 19 being mounted between the flange and the outer race. Alternatively, the outer race may be retained by an angle ring mounted on the inner race (Fig. 3, not shown). A sealing member 23 may be mounted on the opposite end of the inner race. The bearing is retained on a piston-rod 9 by a ring 11 and nut 12. A spring plate 7 is disposed between the bearing and a shoulder 8 on the piston-rod.
Patent GB-1401282-A (GB)
Title: Magnesia compositions
IPC: C04B35/03
Filed: 1971-11-09
Abstract: 1401282 Dead-burned magnesia STEETLEY (MFG) Ltd 3 Nov 1972 [9 Nov 1971] 52065/71 Heading C1A A dead-burned magnesia contains lime, silica, alumina, iron oxide and boric oxide as the major impurities wherein the magnesia contains (a) 0À05 to 0À6% by weight of silica; (b) 0À01 to 0À25% by weight of alumina; (c) ess than (1À6 - 5A)% by weight of iron oxide, where A is the percentage by weight of alumina; and (d) less than 10% by weight of boric oxide based on the weight of silica, the ratio by weight of lime to silica being greater than (1+S)<SP>2</SP>/2À1S and less than 2+ (1/2S) where S is the percentage by weight of silica. The magnesia may be that obtained by the process of Specificaton 1,378,383 if necessary after purification or the addition of foreign ions.
Patent GB-1473858-A (GB)
Title: Sanitary closet
IPC: A47K11/02
Filed: 1974-12-03
Abstract: 1473858 Closet A HURTIG 3 Dec 1974 [4 Dec 1973] 52302/74 Heading E1C In a closet of the type having a flexible sleeve 5 arranged to be fed from a stored position to an excreta-receiving position 16 and thence to a storage bin 3, the sleeve is fed by jaws 7 which grip and close the sleeve in their upper position and are movable (e.g. by handle 8) vertically downwards in a guide whilst being maintained closed to a lower position whence they are restrained by a further guide to return to the upper position in an open condition in which they do not grip the sleeve. As shown, the jaws comprise parallel rods 7 spring-biassed towards each other with their ends received in an oval recess 11 in a plate 9. Two cams 12 are pivoted at 13 in the recess to define a space 14 therebetween and a space 15. The cams are spring- biassed so that their lower edges 20 contact each other. With the rods 7 in their upper position, Fig. 3, the space 14 acts as the first said guide whilst the rods are moved to their lower position, forcing the edges 20 apart. In the lower position, Fig. 5, the edges 20 close and the rods are constrained to move along space 15, which forms the further guide. The space 15 is narrower in its upper region than the rods 7 and so the rods force the edges 20 to open, Fig. 6 (not shown) until they reach their upper position.
Patent GB-1429282-A (GB)
Title: Explosive compositions
IPC: F42D1/00
Filed: 1974-02-26
Abstract: 1429282 Urea perchlorate AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY 26 Feb 1974 [27 Feb 1973 9 May 1973 10 May 1973] 52313/74 Divided out of 1429281 Heading C2C [Also in Division C1] Urea perchlorate for use in explosive compositions (see Division Cl) is prepared by dissolving urea in a cooled concentrated solution of perchloric acid, and further concentrating and cooling the solution to crystallize out urea perchlorate. Alternatively urea may be reacted with an alkali metal or ammonium perchlorate in an aqueous medium in the presence of hydrochloric, sulphuric, or nitric acid.
Patent GB-1482682-A (GB)
Title: Microwave oven
IPC: H03L5/02
Filed: 1974-12-04
Abstract: 1482682 Control systems for microwave ovens LITTON INDUSTRIES Inc 4 Dec 1974 [18 March 1974] 52535/74 Heading H2H A microwave oven has the source of microwave energy therefor energized in a series of pulses, the duty cycle of which is adjustably controllable. A magnetron 21 supplying energy for a microwave oven is energized from an A.C. supply 33 by way of a triac 23 and a transformer 25, the magnetron filament being continuously energized from the supply 33 by way of a second transformer 26. The duty cycle of the triac 23, and hence that of the  magnetron 21 is controlled by an astable  multivibrator 22 which generates firing pulses for the triac 23 at a frequency which is variable by means of a control 20 in the form of adjustable resistors 51, 52, the multivibrator 22 being energized from the A.C. supply 33 by way of a diode 37. The system also includes a timer motor 57 mechanically coupled to an ON-OFF switch 61 located in the supply line 34. With two adjustable resistors 51, 52 the operating frequency of the multivibrator 22  remains constant during adjustment of the resistors but if desired, one resistor only may be employed the output frequency of the multivibrator then varying with adjustment of the resistor. Alternatively a saw-tooth generator or other type of oscillator may be used instead of the multivibrator and the triac may be replaced by a pair of reverse parallel connected thyristors or thyratrons. Energization of a microwave oven by such means obviates the  need for a conventional mode stirrer.
Patent GB-1194003-A (GB)
Title: Method and Apparatus for the Production of Diagonally Corrugated Sheet Material
Inventor: MUNTERS CARL GEORG
IPC: F28F25/08
Filed: 1967-06-23
Abstract: 1,194,003. Corrugating-webs. C. G. MUNTERS. 23 June, 1967 [22 July, 1966], No. 52971/68. Divided out of 1194002. Heading D1S. The subject matter is identical to that disclosed in Specification 1194002 but the claims are directed to corrugating a web of sheet material diagonally to the sides thereof by introducing the web onto a corrugating belt at such an angle to the belt so as to compensate for the bias pull exerted on the web while being conveyed.
Patent GB-1162248-A (GB)
Title: Epipodophyllotoxin Derivatives
Inventor: WARTBURG ALBERT VON
IPC: C07H17/04
Filed: 1966-11-25
Abstract: 1,162,248. Epipodophyllotoxin derivatives. SANDOZ Ltd. 25 Nov., 1966 [14 Dec., 1965; 21 Sept., 1966; 12 Oct., 1966], No. 53003/66. Heading C2C. Epipodophyllotoxin - benzylidene - # - D - glucoside (I) is prepared either by (i) reacting epipodophyllotoxin - # - D - glucoside (II) with benzaldehyde in the presence of an acid catalyst, or (ii) methylating 4<SP>1</SP>-demethyl-epipodophyllotoxin - # - D - benzylidene glucoside (III) with diazomethane. Compound (II) is obtained by alcoholysis of tetra-o-acetyl-epipodophyllotoxin-#-D-glucoside (IV) in the presence of an anhydrous zinc salt. Compound (IV) is obtained either by (i) condensing epipodophyllotoxin with α-acetobromoglucose, in an inert organic solvent in the presence of zinc or mercury oxide or (ii) condensing epipodophyllotoxin or podophyllotoxin with 2,3,4,6-tetra-o-acetyl-#-D-glucose in the presence of boron trifluoride ethyl etherate in an inert organic solvent at a temperature below 0‹ C. The compound (III) is obtained by reacting 4<SP>1 </SP>- demethyl - epipodophyllotoxin with benzyl chloroformate to give the 4<SP>1</SP>-carbobenzyloxy derivative which is then reacted with 2,3,4,6- tetra-o-acetyl-#-D-glucose in the presence of boron trifluoride ethyl etherate to give the tetrao-acetyl glucoside. The tetra-o-acetyl-4<SP>1</SP>-carbo - benzyloxy - 4<SP>1</SP> - demethylepipodophyllotoxin-#- D-glucoside is hydrogenated to remove the carbobenzyloxy radical and dealkylated by methanolysis in the presence of zinc acetate and the resulting 41-demethyl-epipodophyllotoxin- #-D-glucoside is reacted with benzaldehyde in the presence of an acid catalyst. Pharmaceutical compositions having cytostatic activity and containing the above compound are administered, orally, parenterally or as a suppository.
Patent GB-1282024-A (GB)
Title: Improvements in and relating to chocolate and like boxes
Inventor: DINGLE RAYMOND
IPC: B65D25/10
Filed: 1969-11-05
Abstract: 1282024 Boxes R DINGLE 19 April 1971 [5 Nov 1969] 54134/69 Heading B8P [Also in Division A4] A box for chocolates or biscuits and made of cardboard or a plastics material has sockets 12 in which spindles 13 are placed to support reels of thread, the side walls having slots 14 through which the ends of the threads are passed. A partition 16 having pins to engage the sockets may be provided. A lid is removable. The spindles and the partition or partitions are stored beneath a tray supporting the chocolates or biscuits until required.
Patent GB-1212363-A (GB)
Title: Process for the preparation of a vaccine against rabies
IPC: A61K39/205
Filed: 1967-11-29
Abstract: 1,212,363. Rabies vaccine. INSTITUT MERIEUX. 29 Nov., 1967 [22 June, 1967], No. 54404/67. Heading A5B. A vaccine against rabies is prepared by cultivating a strain of rabies virus on a culture derived from an organ or tissue of a mustelid or from diploid cells of primates in a serumcontaining culture medium and replacing during the cultivation of the viral strain the culture medium by a medium free of serum, followed by grinding the cellular tissue and then separating the supernatant liquid product yielding the vaccine. The virus may be cultivated in a cellular layer or in suspension on a culture of cells derived from the skin, lungs or kidneys of a mustelid (e.g. mouse, rat or hamster) such as hamster kidney cells, or on a culture of human diploid cells. The culture product may be inactivated before any lyophilisation by #-propiolactone in a dilution from 1/1000 to 1/6000 by volume or by formaldehyde. The pH of the medium may be brought to 7 by the introduction of carbon dioxide at the beginning of the culture and/or after the medium has been replaced. The virus strain cultivated may be a fixed viral strain of the Pasteur type of a Flury HEP, to produce a vaccine based on inactivated virus or a live vaccine respectively. The vaccine product may contain an adjuvant such as an oil or aluminium-containing compounds.
Patent GB-1180136-A (GB)
Title: Electro-Mechanical Crossbar Switches
IPC: H01H67/26
Filed: 1967-11-30
Abstract: 1,180,136. Cross-bar switches. INTERNATIONAL STANDARD ELECTRIC CORP. 30 Nov., 1967 [2 Dec., 1966], No. 54592/67. Heading H1L. A cross-bar switch selecting finger comprises a helically wound coil of metal wire whose adjacent turns touch each other and are mechanically prestressed so as to rapidly damp vibration arising from movement of the finger. The finger may be attached, as by a plastics sleeve, crimping &c., to a C-shaped clip which is then pushed on to a selecting bar of circular section (Figs. 1-10 and 15, not shown) or it may be attached as a forced fit in an aperture (bushed or unbushed) in the bar which may be of circular or U-shaped section (Figs. 11-14, not shown) or, as shown, it may be screwed-on to a bolt projecting from the bar.
Patent GB-1493368-A (GB)
Title: Typewriter ribbons
IPC: B41J31/08
Filed: 1974-12-19
Abstract: 1493368 Laminates KORES HOLDING ZUG AG 19 Dec 1974 [21 Dec 1973] 54923/74 Heading B5N A method of producing touch clean ends on a typewriter ribbon includes applying a coating foil by heated dies 8, 9 to at least the writing side of a ribbon 1 at points spaced along its length and cutting the ribbon into lengths through a part of the ribbon 17 coated with a layer form the foil. The foils may be a selfsupporting coating material on the material 14, 15 on a support 3, 2.
Patent GB-1128504-A (GB)
Title: High pressure mercury vapour electric discharge tube
IPC: H01J61/073
Filed: 1965-12-29
Abstract: 1,128,504. Thermionic cathodes for discharge lamps. SYLVANIA ELECTRIC PRODUCTS Inc. 29 Dec., 1965 [29 Dec., 1964], No. 55116/65. Heading H1D. In a high pressure Hg vapour discharge tube incorporating iodine and one or more of the light emitting metals selected from Th, Sc, V, Y, La, Lu, Ho, Tm, Ce, Nd, Pr, Gd, Tb, Dy, and Er, at least part of the light emitting metal is in the form of a core 17 within a tubular W electrode 16. During manufacture a thick shell of W may be vapour-deposited about the metal core, or a hole drilled in a W rod may be filled with the metal core. The W tube may be surrounded by a Mo or W helix 11 and the electrode lead-in wire 3 may be fixed to a Mo foil sealed in the steam - press, Fig. 1 (not shown). The lamp may contain 50 mg. of Hg, 7À5 mg. HgI 2 , 1À0 mg. TLI and 19À5 mg. NaI at 23 mm. of Hg pressure, the electrodes having a Th core. The initial operating voltage may be 109À2v. rising during the life of the tube to about 126v. The lamp envelope may be of quartz, alumina or silica glass.
Patent GB-552140-A (GB)
Abstract: 552,140. Twisting, tinting and winding yarn. BRITISH CELANESE, Ltd. Sept. 19, 1941, No. 12093. Convention date, Nov. 26, 1940. [Classes 120 (ii) and 120 (iii)] [Also in Group VIII] Travelling yarns are tinted by applying a colouring liquid from the surface of a cylindrical roller rotating in a trough, the roller being reciprocated across the path of the yarn. A yarn 4 is twisted by being drawn continuously over the end of a bobbin 5 rotating at high speed and is guided into a steaming chamber 7 by a guide 6. Another guide 10 prevents the twist running further. The tint is applied by rotating roller 11 partly submerged in trough 12. The trough and roller are traversed horizontally by a peripherally grooved cam 20 which engages a rotatable cam follower 21 set at the end of a bar 19 connected to the trough 12. The yarn, after being tinted, passes through a guide 14 mounted on the trough which causes it to traverse and wind evenly on a take-up spool 15. The yarns may be of cotton, wool, silk, regenerated cellulose, cellulose esters or ethers. The device is of particular value in tinting crepe, i.e. highly twisted, yarns. Specification 404,171 is referred to.
Patent GB-553871-A (GB)
Abstract: 553,871. Spray-producers. BONNEY, A. S., and ADLAM, W. J. Nov. 5, 1941, No. 14271. [Class 69 (iii)] [Also in Groups XVI and XXXVI] A mould for the electrolytic reproduction of articles such as printing surfaces is made by impressing on the original, a pliable sheet e.g., of lead, card or paper, coated, by spraying, with a waxy mouldable compound which may consist of 21 parts of beeswax, 1 part of venice turpentine and 1 part of plumbago. Such a compound may be sprayed on to the sheet while being kept at a temperature of about 340‹ F. by an apparatus comprising a sprayer 1 with nozzles 2, connected by a pipe 4 to a reservoir 3 of the compound, the parts 1, 3 and 4 being heated by surrounding coils 7, 5, 6. The air supply pipe 10 for the sprayer is heated by passing it through the reservoir 3, and the air supply may be controlled by an electromagnetically actuated valve 12 controlled by a pedal operated switch 13.
Patent GB-1218729-A (GB)
Title: Resilient sealing boots for universal joints
IPC: F16D3/84
Filed: 1969-11-13
Abstract: 1,218,729. Universal joints; shaft seals. GENERAL MOTORS CORP. 13 Nov., 1969 [30 Nov., 1968], No. 55616/69. Headings F2B and F2U. A bellows seal for a universal joint is of tapered corrugated form and near its larger end is provided with an inwardly directed annular rib 38 substantially normal to the longitudinal axis and serving to prevent centrifugal deformation and as a retaining member for lubricant in portion 51 of the bellows. The inner edge of rib 38 and the inner peripheries of diaphragm portions 41, 42 lie on the surface of a cone whose apex angle is less than 20 degrees.