baber/WOPTO huggingface dataset:
Patent GB-844889-A (GB)
Title: Improvements in or relating to machines for sewing zig-zag stitches
Inventor: HEGGIE JAMES
IPC: D05B3/02
Filed: 1957-11-23
Abstract: 844,889. Sewing machines. SINGER MANUFACTURING CO. Ltd. Nov. 21, 1958 [Nov. 23, 1957]. No. 36565/57. Class 112 A zig-zag sewing machine comprises a reciprocable needle bar which is adapted to be oscillated about its axis and carries a needle the axis of which is eccentric to the axis of the needle bar, a crank arm attached to the needle bar, a reciprocable slide bar engaged with the crank arm, and a bell crank lever one arm of which is engagable with the slide bar and the other arm of which is engaged with cam mechanism coupled to a driving shaft of the sewing machine. The needle-driving shaft I is coupled by gearing 2 to a shaft 3 carrying a cam 4 engaged with a roller 5 on one arm of a bell crank lever 6. The other arm of the latter is engagable with a notch 8 in an arm 9 pivoted at 10 to a reciprocable slide bar 11. A pin 12 projects from slide 11 and enters a hole in a crank arm 13 fixed to the needle bar 14 which carries an eccentric needle. When arm 9 is lowered to engage notch 8 with roller 7. rotation of shaft I effects reciprocation of slide bar 11 and oscillation of the needle bar 14 to produce zig-zag stitching. For straight stitching, bar 9 is raised to engage notch 8 with an abutment 15 on a fixed arm 16.
Patent GB-1144083-A (GB)
Title: Penile support
IPC: A61F5/41
Filed: 1966-08-16
Abstract: 1,144,083. Penile support. S. J. RYDLEWSKI. 16 Aug., 1967 [16 Aug., 1966], No. 36592/66. Heading A5R. A penile support comprises two parts 6, 9 able to at least partly encircle the organ and joined 'by a rigid stem 1, 2 of invariable length, the part 6 being rigid with one end of the stem and adapted to abut the pubic bone, the part 9 being an elastic band adapted to constrict the tip of the organ. As shown, the support is of wire covered with natural or synthetic rubber, the wire extending as a fork 7 into the part 9 and the rubber covering providing the elastic band. The support includes bindings 3, 4 of rubber and the wire, and optionally the rubber covering, of the loop 6 need not be continuous.
Patent GB-884212-A (GB)
Title: Improvements in or relating to electric torches
Inventor: CHUNG SYE-YUEN
IPC: F21L4/00
Filed: 1959-10-28
Abstract: 884,212. Electric battery lamps. SONG & CO. Ltd., V. K. Oct. 21, 1960 [Oct. 28, 1959], No. 36626/59. Class 39(2) [Also in Group XIII] An electric torch is fitted with a bulb and a three-position switch in one position of which the bulb is connected in series with a blinker device and in another of which the bulb is connected without the device. The bulb is mounted with its centre pole in contact with a stud connected to the centre pole of the battery, either in a metallic reflector which connects the shell of the bulb to the switch by way of the metallic casing of the torch or in a plastic reflector in which case a projection in contact with the shell engages an arm of the switch. In either case, the opposite end of the switch has an arm 7 which projects into a cap 10 on the base of the torch. A bimetallic strip 15 is enclosed in an evacuated bulb having a threaded base and a central pole forming the contacts of the device. The base is screwed into a metallic sleeve 16 having a contact flange 12 and the centre pole is connected by a spring 22 to a shell 21 having a contact flange 11. A spring 24 conects the shell 21 to the battery. In one "on" position, the arm 7 engages the flange 11 producing a steady light and in the other, it engages the flange 12, the strip 15 being then in circuit to produce a flashing light.
Patent GB-798408-A (GB)
Title: Arrangement for correcting picture distortion in cathode-ray tubes
IPC: H01J29/70
Filed: 1956-11-30
Abstract: 798,408. Cathode ray tubes. STANDARD TELEPHONES & CABLES, Ltd. Nov. 30, 1956 [Dec. 3, 1955], No. 36679/56. Class 39(1). " Geometrical distortions " of the image in a television receiver tube are corrected by means of permanent magnets generating a field which is superposed on the scanning field, the correcting magnets being rectangular parallelpipeds having no pole pieces and being made of ferrite having a coercivity greater than 800 and a magnetic permeability of less than 2, and being mounted on the scanning system. Geometrical distortions include pincushion or barrel distortion due to the centre of curvature of the screen not coinciding with the centre of deflection (a flat screen in the limiting case) geometrical asymmetries of the tube and scanning system and distortions due to external fields, e.g., of power transformers. The correcting magnets 7, Fig. 5, of calculated optimum size, are mounted on the scanning system 2 at the end nearer the screen by an elastic tape wrapped around the scanning system, a spring ring of bronze wire or by bent flaps punched out of the sheath of the scanning system, Figs. 6 (a), (b), (c) (not shown). The scanning field is preferably magnetic. The correcting magnets of ferrite are one quarter the size of prior art alnico magnets and are preferably adjustable in position. There may or may not be intermediate carriers between the magnets and their supports. The invention is especially applicable to receivers having a large deflection angle, e.g., 70 degrees or more, to the undeflected beam path. A prior art corrective permanent magnet of high coercive force steel and of low coercive force alnico is referred to ; the magnet and pole pieces are both large. Such a magnet can be supported directly on the deflection system, Figs. 1, 2 (not shown) and may or may not have curved poleshoes (curved poleshoes in Fig. 3, not shown). The magnet may be adjustable or have adjustable pole pieces.
Patent GB-1150448-A (GB)
Title: Removal of Suspended Solids from Water
Inventor: TREANOR ANTHONY IGNATIUS JOHN
IPC: C02F1/52
Filed: 1966-08-16
Abstract: 1,150,448. Flocculation with sludge blankets. PERMUTIT CO. Ltd. 31 July, 1967 [16 Aug., 1966], No. 36679/66. Heading C1C. Water is fed at 2 to a settler 1 of conventional design after addition of chemicals at 3. Clarified water is decanted by sills 15 while sludge is drawn from the sludge blanket by pipe 18 leading to a sludge concentrating vessel 19. This concentrating vessel has an adjustable riser pipe 21/22, the position of which relative to the sills 15 maintains the level of the sludge blanket at a convenient height and size. The process may be operated with more than one settler, for example as in 33.
Patent GB-1013704-A (GB)
Title: Improvements in and relating to methods of forming a getter
IPC: H01K1/56
Filed: 1963-09-18
Abstract: A getter layer of magnesium, calcium, strontium or barium or a mixture thereof for e.g. an incandescent lamp is provided by heating in the lamp, in contact with a reducing agent, a material of the general formula (MeO)nXOm where Me is Mg, Ca, Sr, Ba, n is greater than 1, X is a metal and m is the valency of X divided by 2. Examples of the material are Ba3WO6, Ba2CaMoO6, Ba2TiO4, Ba3TaO5.5, BaSr2MoO6 and Ba2LaTaO6.  In an example a tungsten filament of an incandescent lamp is coated with Ba3WO6 by dipping, spraying, painting or cataphoresis.  The lamp after degassing and sealing is then burnt at a voltage 10-15% higher than the normal lamp voltage. The reducing agent may be phosphorus, tungsten or zirconium.
Patent GB-864121-A (GB)
Title: Improvements in or relating to semi-conductor devices
IPC: H01L29/00
Filed: 1957-04-25
Abstract: 864,121. Semi-conductor devices. SIEMENSSCHUCKERTWERKE A.G. April 25, 1957 [April 26, 1956], No. 36782/60. Divided out of 864,120. Class 37. A semi-conductor device comprises a monocrystalline semi-conductor wafer with a first electrode and an associated PN junction extending over the whole of one face and the edges and a smaller electrode on the other face. A rectifier of this type, Fig. 1, comprises base electrode 3, of aluminium foil, P-type silicon disc 2, a gold antimony junction forming electrode foil 4 and a supporting member 5. The parts are assembled and heated to alloy the electrodes to the disc and to member 5. Alternatively member 5, the coefficient of expansion of which is preferably matched to that of the disc, is subsequently soldered to electrode 4. The member may be provided with coolant channels or cooling fins or attached to a massive copper block. If the disc is thin enough and the gold foil extends beyond its edges the gold creeps up the edges during alloying automatically. If not, a thin annular gold-antimony foil is placed on the periphery of the upper surface and joins with the main foil during alloying. A transistor, Fig. 2, comprising concentric circular and annular base electrodes 3a, 3b, annular emitter 6, and collector electrode 4, is formed by a similar process. The subject-matter of this Application is divided out of Specification 864,120.
Patent GB-1178407-A (GB)
Title: Improvements relating to Gas Governor and Filter Units.
Inventor: BEVAN-LEWIS WALTER
IPC: G03B21/20
Filed: 1967-08-11
Abstract: 1,178,407. Valves. SPERRYN & CO. Ltd. 8 Aug., 1968 [11 Aug., 1967], No. 36952/67. Heading F2V. In a gas governor having a main body portion 10, flow between an inlet member 11 secured to one side of the body, and an outlet 15 forming an integral part of the body, takes place through two passages, (18, 19, Fig. 2, not shown), which passages are disposed one on either side of a chamber 23, through a filter 41 attached to the opposite side of the body, and finally through the chamber 23 itself, a passage 24 extending between the filter interior and the chamber. Outward flow from chamber 23 is regulated by a valve member 21 so that the pressure within outlet 15 remains substantially constant, such regulation resulting from the provision of a diaphragm 31 one side of which is acted upon by outlet pressure supplied via a passage 46, and the other side of which is acted upon both by a spring 36, the tension of which is adjustable by a keyed nut 37, and by atmospheric pressure supplied via a restricted passage 47.
Patent GB-902444-A (GB)
Title: Two-speed synchronous induction motor
IPC: H02K19/14
Filed: 1960-10-27
Abstract: 902,444. Squirrel-cage rotors. ALLISCHALMERS MANUFACTURING CO. Oct. 27, 1960 [Nov. 2, 1959; Jan. 12, 1960], No. 36998/60. Class 35. In a squirrel-cage rotor similar to that disclosed in Specification 771,669, in which poles 18 are divided by deep slots 20, 23 to suppress quadrature flux, additional auxiliary poles 18a are also provided to enable the motor to synchronize at double the pole number, the stator having appropriate change-pole connections. The winding slots 25, grooves 19, and slots 20, 23 are all filled with conducting material, e.g. aluminium, connected to end-rings 27. The additional poles 18a may be narrower than the main poles, as shown, or of equal width. In a modification, Fig. 6, the primary poles 18 are subdivided by pairs of slots 35.
Patent GB-1433257-A (GB)
Title: Disteroidyl ethers and acetals
IPC: C07F7/00
Filed: 1973-08-06
Abstract: 1433257 Bis-steroid ethers and acetals WARNER-LAMBERT CO 6 Aug 1973 [7 Aug 1972] 37169/73 Heading C2U The invention comprises compounds of formulµ wherein St is the remainder of a steroid molecule of the pregnane series, St<SP>1</SP> is the remainder of a steroid molecule of the androstane or pregnane series or of an 18-homo and/or 19-nor derivative thereof, and the broken line indicates compulsory #<SP>2</SP> or #<SP>3</SP> unsaturation in St<SP>1</SP>; and their preparation from enol ethers and acetals of 3-ketones St<SP>1</SP> = O (in which any 17#- or 21- hydroxyl group is protected) by reaction with 20-oxo-21-hydroxypregnanes which, when they contain free 17α-OH, yield compounds (B) and otherwise yield compounds (A). The St<SP>1</SP> starting materials may additionally contain a 1α-alkoxy group which is eliminated during the reaction to give #<SP>1</SP>. The inventive compounds may be interconverted by hydrolysis or esterification at positions 3, 11, 16,17, 21 or NaBH 4 -reduction of oxo at positions 17 or 20 (in either moiety as appropriate). The inventive compounds are said variously to possess central nervous system depressant, anti-fertility, mineralocorticoid, glucocorticoid, anti-inflammatory and thymolytic activities, and may be made up with carriers into pharmaceutical compositions for oral, parenteral and topical administration.
Patent GB-1429964-A (GB)
Title: Nuclear reactor installations
IPC: G21C15/08
Filed: 1973-08-06
Abstract: 1429964 Nuclear reactors SIEMENS AG 6 Aug 1973 [7 Aug 1972] 37287/73 Addition to 1426016 Heading G6C In a nuclear reactor installation including a flooding tank 24 as set forth in the parent Specification, the tank is divided by partitions 28 into separate compartments 105, 106 and a plurality of ducts 30 leads from different compartments for introducing the liquid from the tank into the reactor vessel. In addition, a blow-out line 102 extends from the reactor primary coolant circuit into the compartment 106, and the contents of one of the compartments can be delivered to a containment spray forming a steam-condensing means in the protective shell 20 (Fig. 3, not shown). The compartments may be in liquid communication at the upper liquid level which can be monitored by a float device 96. The compartments 105 may be covered by rupturable membranes.
Patent GB-1402741-A (GB)
Title: Removal of urea from a circulating dialysate solution
IPC: C12N11/14
Filed: 1972-08-10
Abstract: 1402741 Ammonium carbonate; sodium carbonate CCI LIFE SYSTEMS Inc 10 Aug 1972 37325/72 Heading C1A [Also in Divisions B1 and C3]  A method for the removal of urea from a liquid comprises the step of contacting a ureacontaining liquid with urease absorbed on magnesium silicate, magnesium trisilicate, talc, aluminium oxide or a mixture thereof whereby the urea is converted to ammonium carbonate. Urease absorbed by the stated absorbents is not easily removed by water. The solution may be subsequently treated by an ion-exchange process, e.g. using zirconium phosphate, to replace the ammonium ions by sodium ions. The method is particularly applicable to the treatment of the dialysis fluid resulting from renal dialysis.
Patent GB-1090051-A (GB)
Title: Improvements in or relating to the deionising of solutions
Inventor: KENNEDY JOHN
IPC: B01D15/04
Filed: 1964-09-11
Abstract: Hydrated titanium oxide is prepared by precipitation from a hydrochloric acid solution of titanium tetrachloride by a sodium hydroxide solution to give a floc which may be washed with water or sodium nitrate solution, or may be dried and placed in water to form granules.  The hydrated titanium oxide is used for deionizing an aqueous radiactive solution by contact with the solution (see Division G6).
Patent GB-987303-A (GB)
Title: Improved filaments and staple fibers of acrylonitrile polymers and a method of preparing same
IPC: D01F6/18
Filed: 1962-10-04
Abstract: 987,303. Wet spinning polyacrylonitrile fibres. MONSANTO CO. Oct. 4, 1962 [Oct. 20, 1961], No. 37591/62. Drawings to Specification. Heading B5B. Solutions of acrylonitrile polymers containing a polyglycol are wet spun to form voidfree filaments which may be cut to staple fibre length. The solution may contain from about I to about 25%, based on the weight of the polymer, of a polyglycol having an average molecular weight of 400 to 4000, preferably about 600 to 2000. The polyglycol may be a polyethylene glycol, a polypropylene glycol, or a polybutylene glycol. The polymer may comprise at least 85% by weight of acrylonitrile and up to 15% of a copolymerizable mono-olefinic monomer. The polymer may be a blend of 80 to 90% of (A) a copolymer containing 80 to 98% of acrylonitrile and 2 to 20% of a mono-olefinic monomer and from 1 to 20% of (B) a copolymer containing 10 to 70% of acrylanitrile and 30 to 90% of a vinyl substituted tertiary heterocyclic amine said blend having an overall amine content of 2 to 20% based on the weight of the blend. The solvent in the spinning solution may be N,N- dimethylacetamide dimethylsulphoxide, or ethylene carbonate. A long list is given of mono-olefinic monomers which may be copolymerized with the acrylonitrile. The amine may be vinylpyridine, a 1-vinylimidazole, or a vinyl lactam. The spinning solution may contain 8 to 30%, preferably 15 to 25%, by weight of acrylonitrile polymers. The fibres of the invention have improved resistance to fibrillation and abrasion.
Patent GB-1524403-A (GB)
Title: Water-soluble trisazo dyes
IPC: C09B35/44
Filed: 1976-09-10
Abstract: 1524403 Water-soluble trisazo dyes CASSELLA FARBWERKE MAINKUR AG 10 Sept 1976 [13 Sept 1975] 37617/76 Heading C4P Novel dyes have the formula wherein A is phenyl or naphthyl which can be unsubstituted, monosubstituted by Cl, SO 3 H, C 1-4  alkyl, C 1-4  alkoxy or C 1-4  acylamino, disubstituted by two identical or different substituents from Cl, SO 3 H, C 1-4  alkyl or C 1-4  alkoxy, or trisubstituted by 3 chlorine, Me denotes H or alkali metal or alkaline earth metal cation, n is 1 or 2, and the phenyl nucleus B can additionally be substituted by C 1-4  alkyl, C 1-4  alkoxy, Cl, COOH or SO 3 H. The dyes are prepared by successive coupling reactions, starting from tetrazotized 4,4'-diaminodiphenylamine-2-sulphonic acid and coupling with a 1-amino-8-hydroxynaphthalene-sulphonic acid, the amine A-NH 2 , and finally the phenol. The dyes are suitable for dyeing or printing natural or synthetic fibre materials which contain hydroxyl groups, or nitrogen, e.g. cotton, regenerated cellulose, wool, silk, polyamide, wood and especially leather.
Patent GB-1368095-A (GB)
Title: Rotary impeller for fluids or a propeller
IPC: F04D3/02
Filed: 1972-05-26
Abstract: 1368095 Propelling ships O T F FILTNESS 26 May 1972 [11 Aug 1971] 37619/71 Heading B7V [Also in Division F1] A ship's propeller comprises a helical spiral blade 17, and means for coupling the smaller end of the blade to a shaft 16 for rotation therewith, an end of the blade being freely movable axially with respect to the shaft such that the blade may deform resiliently under axial thrust exerted by the water in which the blade is rotated. When the thrust exceeds a certain value, the blade is deformed resiliently and reduces its axial dimension, whereby the pitch of the propeller is reduced to reduce the flow rate. The edges of the blade may be sharpened to reduce turbulence. The blade is formed from an initially flat metal disc by cutting along a single spiral line or a pair of parallel or non-parallel spiral lines and then extending it axially.
Patent GB-366213-A (GB)
Title: Improved method and means for compensating for the effects of temperature and/or voltage changes on light-sensitive circuits
IPC: G01J1/16
Filed: 1930-12-13
Abstract: 366,213. Light - sensitive cells. CLUDERAY, E. S., Ramsgill, Church Avenue, Farnborough, Hampshire. Dec. 13, 1930, No. 37694. [Classes 40 (iii) and 40 (v).] The disturbing effects of fluctuations of temperature, voltage, or general illumination are compensated by connecting two lightsensitive cells 1, 2 to adjacent coils 3, 4 and a source of current 5 so that the resulting magnetic fields are in opposition. The coils influence a magnetic armature, Fig. 1 (not shown), or form the primary windings of a transformer 10, the secondary of which supplies the operative current, Fig. 3 (not shown), or is connected to the grid of a thermionic valve 8, the anode current of which operates a relay 15. The transformer may be polarized to adjust the magnetic flux to the most efficient point. The two light-sensitive cells are closely adjacent and mounted in a common transparent envelope.
Patent GB-805408-A (GB)
Title: Improvements in or relating to steam power plants
IPC: F22G1/16
Filed: 1956-12-10
Abstract: 805,408. Steam superheaters; water-tube boilers. GOTAVERKEN A. B. Dec. 10, 1956 [March 6, 1956], No. 37711/56. Classes 123(2) and 123(3) A tubulous heat exchanger 7 provided with an oil fuel burner 8 may be used for superheating steam supplied from a primary steam generator 3 or, when the latter is inoperative, may be used for directly generating steam and superheating that steam. When the primary generator is in use it supplies steam to a header 12 of the heat exchanger through a pipe, controlled by a valve 6, leading from the steam and water drum 5 of the primary generator which, in the form shown, is heated by the coolant of a nuclear reactor 1. From the header 12 the steam passes through a tube bank 15 to an intermediate header 13, and then through a second tube bank 17 to an upper header 14 which supplies steam through a pipe 9 to a turbine 10 exhausting into a condenser 11. The condensate is returned as feed water by means of a pump 21 to the primary generator. When the primary generator is inoperative and the heat exchanger is directly generating steam the condensate is returned by way of a pipe 23 to the header 12, the pipes 22, 23 being respectively provided with control valves 24, 25. A downcomer pipe 19, controlled by a valve 18, connects the intermediate header 13 and the lower header 12 and the valves 18 and 25 are open while the valves 6 and 24 are closed. The intermediate header is provided with a water gauge 20 as well as with other devices including automatic feed regulators. The heat exchanger 7 may be of the " once-through" type in which case the headers 12, 14 are dispensed with, or the tube banks 15 and 17 may be directly connected, the header 13 being raised and substituted for the header 14. There may be a plurality of circulating pipes instead of only the one pipe 19, and pumps connected thereto may be used to circulate the water through the tube bank 15. The primary steam generator may be of any suitable type.
Patent GB-836479-A (GB)
Title: Improvements in the method of mounting the slide in grinding wheel dressing apparatus and for like purposes
Inventor: TICKNER ARTHUR
IPC: B23B23/00
Filed: 1957-12-04
Abstract: 836,479. Tailstocks, MYFORDENGINEERING CO. Ltd. Jan. 5, 1959 [Dec. 4, 1957], No. 37721/57. Class 83 (3). [Also in Group XXIII] The spindle 1 of a lathe tailstock is carried in bearings 2, 3 in a housing 4, a rack 6 on the spindle being engaged by a pinion 9 on an axle 10 which is eccentrically-mounted in a sleeve 13 to take up back-lash, the sleeve being angularlyadjustable in the housing 4 and provided with clamping-means 14, 15. Anti-friction bearings 16, 17 on the axle 10 have their outer races engaging rectilinear faces 7, 8 on the spindle 1 above and below the rack 6. The axle 10 is carried in bearings 11, 12 within the sleeve 13, and has a handle 22 for operating the slide 1. Bellows 23, 24 protect the surface of the spindle from dust &c.
Patent GB-1272665-A (GB)
Title: Animal feed composition
Inventor: BOEHME WERNER R
IPC: A23K1/16
Filed: 1969-07-28
Abstract: 1,272,665. Animal feeds. DAWE'S LABORATORIES Inc. 28 July, 1969, No. 37724/69. Heading A2B. An animal feed having vitamin K activity comprises an addition product of menadione and a water-soluble bisulphite salt and 2-50% by wt. of the addition product of an aliphatic aci-reductone having the formula: where R=hydrogen, C 1  to C 8  alkyl group, a mono- or poly-hydroxy substituted C 1  to C 8  alkyl group or a carboxylic acid group; R'= hydrogen, C 1 -C 8  alkyl or alkoxy group or a hydroxy group, or a salt or ester thereof or a lactone formed therefrom, or an alicyclic aci-reductone having the formula: where X=C 1  to C 8  alkylene group or a mono- or poly-hydroxy substituted C 1  to C 8  alkylene group, or a salt or ester thereof. The addition product may be menadione sodium bisulphite and the aci-reductone may be sodium or calcium erythorbate, calcium dihydroxyacrylate, diethyldihydroxymaleate, calcium ascorbate, dimethyl reductone, sodium reductinate, 3, 4 dihydroxytetrone, hydroxydimedone and triose reductone.