baber/WOPTO huggingface dataset:
Patent GB-365371-A (GB)
Title: Improvements in or relating to the manufacture of laminated glass
IPC: B32B17/10
Filed: 1931-02-19
Abstract: 365,371. Compound glass. HAWKES, Ltd., O. C., and HAWKES, B. G. T., Globe Works, Bromsgrove Street, Birmingham. Feb. 19, 1931, No. 5206. [Class 140.] In a process for making laminated glass, laminµ of glass and cellulose acetate are immersed in a plasticizing bath containing glycerol triacetate and camphor with or without a non-solvent such as toluol or alcohol and pressed together to form a sandwich which is then removed from the bath. After removing excess of liquid and air by manual pressure, squeegees or rollers the sandwich is subjected to heat and pressure. In making domed or convex lenses, the sandwich is placed between resilient rubber parts a, held in a clamp comprising lever members b, bl which are adjustable by a fly-nut d on a screwed rod c. The clamps are suspended from a rod in an autoclave which may contain water so that the lenses are above the level of the water, steam is admitted and a pressure of 30 lbs. per square inch is maintained for 10-15 minutes. Alternatively the lenses are immersed in the water at a temperature of 80-100‹ C. and steam is admitted to maintain a pressure of 40-80 lbs. per square inch for 15 minutes.
Patent GB-266134-A (GB)
Title: Improvements in and relating to links employed with safety detaching hooks for colliery and like winding gear
IPC: B66B5/18
Filed: 1926-02-24
Abstract: 266,134. Ormerod, A. Feb. 24, 1926. Sustaining at limit of wind.- The links 4 for connecting the safety hook 9 to the hoisting rope and to the cage are composed of two or more metal plates 5 which have their centre parts 6 in contact and connected by a bolt 7 and their ends 5 spaced apart. In a modification, Fig. 3, the link 4 has only one open end.
Patent GB-736398-A (GB)
Title: Improvements in or relating to television apparatus
Inventor: THEILE RICHARD
IPC: H01J29/56
Filed: 1952-02-28
Abstract: 736,398. Photo-electric devices. PYE, Ltd. May 28, 1953 [Feb. 28, 1952], No. 5257/52. Class 37. [Also in Group XL (a)] A photo-conductive screen in a low voltage television pick-up tube (see Group XL (a)) is made of selenium, calcium oxide, cadmium oxide or cerium activated calcium oxide which may be deposited from vapour. An optical system 8 focuses an image to be televised on screen 6 which is scanned by an electron beam from gun 3. Contact to the screen is made by electrode 4 which is connected to earth via battery 9 and resistor 10 across which the signal is generated. The current flowing through resistor 10 is modulated by the left pattern.
Patent GB-983477-A (GB)
Title: Mixing apparatus
Inventor: EDWARDS HARRY
IPC: B29B7/58
Filed: 1963-02-08
Abstract: 983,477. Mixing appliances. IMPERIAL CHEMICAL INDUSTRIES Ltd. Jan. 20, 1964 [Feb. 8, 1963], No. 5265/63. Heading B1C. Apparatus for mixing the ingredients of polyurethane foams comprises a mixing chamber A having inlets B for air and the polyurethane ingredients, an outlet tube G arranged to allow material in excess of a predetermined amount to flow out of the chamber and a rotatable agitator E to ensure that the material follows a tortuous path. As shown the agitator E and outlet G are concentric tubes and the latter is axially adjustable to vary the amount retained in the chamber. The agitator may have stirring ,vanes F; and M is an air vent fitted with a self-acting relief valve. The apparatus may be used for batch mixing by raising the tube G to the highest position and filling to a level below its top H; it may then be discharged by lowering the tube G to its lowest position and/or introducing compressed air through B.
Patent GB-1458412-A (GB)
Title: Bisfluoran chromogenic compounds preparation thereof and pressure-sensitive copy systems employing same
IPC: C09B11/24
Filed: 1974-02-05
Abstract: 1458412 Chromogenic bisfluoran compounds CHAMPION PAPER CO Ltd 5 Feb 1974 [5 Feb 1973] 05339/74 Heading C4P [Also in Division D2] Chromogenic bisfluorans have the formula in which R<SP>1</SP> and R<SP>2</SP> each represent alkyl; X and Y each represent H, halogen, OH, alkyl, nitro, amino, acyl or carboalkoxy; Z represents an oxygen atom, a carbonyl, alkylene, alkylidene or sulphonyl group or a sulphur atom; and n is 0 or 1. The compounds may be prepared by reacting the appropriate carboxybenzophenone with the appropriate diphenol. The compounds may be used in a pressure-sensitive copy system comprising a substrate bearing pressure-rupturable microcapsules said microcapsules containing at least one chromogenic compound (I). Additionally, at least one blue imaging chromogenic compound, such as Crystal Violet Lactone or Benzoyl Leuco Methylene Blue may be present in the microcapsules. Further, an isomeric mixture of cis 3,5- and trans 3,7-bis- (3<SP>1</SP>,6<SP>1</SP> - dimethoxy - 9<SP>1 </SP>- spiroxanthyl) - pyromellitide may also be incorporated (see British Specification 1,458,411).
Patent GB-143650-A (GB)
Title: Improvements in cotton combing machines
IPC: D01G19/26
Filed: 1919-03-05
Abstract: 143,650. Ross, T., and Ross, G. March 5, 1919. Combing-machines. - In a cotton-combing machine in which the feed-mechanism is carried separately in each head, a pair of feed-rollers R. R<1> are employed carried, for simultaneous adjustment, in a swivel bracket D secured to the nipper frame F. The lower roller R<1> is rotated by a pawl and ratchet operated by a lever L connected to the nipper frame rocking- shaft C or some other suitable shaft, and arranged to give a greater arc of movement than that of the nipper frame. Specification 132,407 is referred to.
Patent GB-846571-A (GB)
Title: Improvements in thermostatically controlled fluid valve
Inventor: TYLER HUGH J
IPC: G05D23/02
Filed: 1957-02-18
Abstract: 846,571. Valves. ROBERTSHAW-FULTON CONTROLS CO. Feb. 18, 1957 [June 28, 1956], No. 5458/57. Class 135. A thermostatic valve for controlling hot water flow to a vehicle heat exchanger comprises a valve 8, Fig. 2, actuated by a lever 39 pivoted on throw 43 of a crank 43, 38, Fig. 1, for translatory and rotary movement, the lever being urged in opposite directions respectively by a spring 73 and thermal element 49, and a cam lever 77 for rotating the crank and shifting the position of the lever and valve. A thermal feeler 90 moves a piston 49 and the lever 39 against spring 73, the latter also loading a link 71 whereby a ball 15 on the valve stem is located between the end of the lever and the link. The temperature at which the valve closes is set by a Bowden cable 85 rotating cam 77 against a spring 88, the cam moving one throw 38 of the crank of which the other throw 43 acts as the adjustable fulcrum of the lever. The valve is calibrated by bending a strip 46 on the lever so as to abut the piston 49 when fully extended and close the valve at the maximum temperature setting of cam 77. The link 71 is pivoted on inturned ears 62 at the base of the U-section lever 39. In another embodiment the link is pivoted on the centre of a U-shaped yoke having its ends pivoted at the top of the lever 39.
Patent GB-886966-A (GB)
Title: Production of polyesters
Inventor: SCOTT NEVILLE DURRANT
IPC: C08K5/53
Filed: 1959-02-18
Abstract: In the manufacture of polymethylene terephthalates by effecting ester-interchange between a dialkyl terephthalate and a glycol of formula HO(CH2)nOH, where n=2-10, in the presence of an alkaline earth metal compound and polycondensing the product in the presence of a polycondensation catalyst, the deposition of insoluble salts is avoided, by adding at the completion of the ester-interchange a substance of formula <FORM:0886966/IV (a)/1> or <FORM:0886966/IV (a)/2> where A is an organic residue, and the P-A linkage is not a phosphorous oxygen linkage, R = hydrogen or alkyl, x and n = 1 or 2 and m = 3 - n.  The additives convert the alkaline metal, wholly or in part, to a salt of an acid of sulphur or phosphorus and also become combined with the polymethylene terephthalates thereby giving them improved affinity for basic dyes.  The residue A may be aromatic, aliphatic, alicyclic or hetrocyclic.  Copolyesters may be obtained by incorporating in the mixture undergoing ester-exchange either a second glycol or a second dialkyl ester (e.g. a di (carboalkoxyphenoxy) alkane).  Specified are: Sulphur compounds-3:5-di (carbomethoxy) benzene sulphonic acid, methyl 3:5-di (carbomethoxy) benzene sulphonate, p-carbomethoxy benzene sulphonic acid, 3:5-dicarboxy benzene sulphonic acid and p-carboxy benzene sulphonic acid; Phosphorous compounds-p-carboxy benzene phosphonic acid, di (p-carbomethoxyphenyl) phosphinic acid and methyl di(p-carbomethoxyphenyl) phosphinate; Ester-exchange catalysts-calcium acetate, calcium oxide and barium acetate; Polycondensation catalysts-antimony trioxide, litharge and compounds of germanium, lanthinum or lead.  Examples describe the manufacture of polyesters by reacting dimethyl terephthalate with (1)-(12) ethylene glycol; (18) 1:4 butanediol; (19) ethylene glycol and 1:2-di-(p-carbomethoxyphenoxy) ethane.  Specifications 742,811, 802,921, 826,248 and 856,917 are referred to.
Patent GB-674909-A (GB)
Title: Improved composition for preserving and repairing teeth
IPC: A61K35/32
Filed: 1950-03-06
Abstract: 674,909. Medicines. REISSNER, A. March 6, 1950, No. 5625/50. Class 81 (i). A composition for oral administration or injection for preserving the teeth comprises material extracted from the teeth and the associated undeveloped teeth and gum portions of upper and lower jaw and the rising branch of the lower jaw of immature animals particularly calves, with the addition of small quantities of vitamin P and vitamin C and a minor quantity of rib bone including the red marrow. The tooth material contains organically carried fluorine in small amounts. The teeth are ground, dried, and finely powdered, the rib bone is dried and autoclaved for 6 hours and powdered, and these ingredients and the vitamins are mixed and formed into tablets with chocolate or sugar for oral administration. A solution for injection is made by extracting with sodium chloride solution, precipitating impurities by addition of alcohol which is subsequently distilled off, and adding the vitamins to the purified solution.
Patent GB-941196-A (GB)
Title: Dispensing device
IPC: E03D9/03
Filed: 1961-03-15
Abstract: 941,196. Delivering measured quantities of liquid. S. O. KENNON. May 14, 1962 [March 15, 1961], No. 5715/61. Heading B8N. A device for dispensing measured quantities of liquid, particularly of disinfectant to a water closet, comprises a hollow plunger 4 closed at the ends by washers 5, 6 and having an inlet port 7 and a pair of out let ports 8 so that in a raised position the plunger fills with disinfectant and discharges when it falls to a lowered position. The plunger may be operated by a float 9 which falls when the cistern discharges or by a lever having a flange on which the liquid flow impinges so that the plunger moves up to filling position during flushing and falls again when flushing has been completed.
Patent GB-1456534-A (GB)
Title: Electric drive apparatus
IPC: H02K7/10
Filed: 1974-02-08
Abstract: 1456534 Driving arrangements for dynamoelectric machines UNION SPECIAL CORP 8 Feb 1974 [12 Feb 1973] 05807/74 Heading H2A A drive system comprises two electric motors 55, 60 operating in tandem and arranged to drive an output shaft 20 through a clutch-brake mechanism 15 on appropriate operation of the latter, the rotor 58 of one motor being arranged to drive one member 61 of the other motor so that the other member 64 of the other motor may drive the output shaft through the clutch. The drive system provides an output speed higher than can be provided by one motor acting on its own and is suitable for use in sewing machines, a belt drive being taken from pulley 23 mounted on shaft 20. The two motors are squirrel cage induction motors, the rotor 58 of motor 55 and the stator 61 of motor 60 being mounted on hollow shaft 52. The external rotor 64 of motor 60 drives a shaft 47 carrying a flywheel 24. A clutch plate 25 normally engages a brake disc 36; operation of a lever 37 causes the plate 25 to engage flywheel 24. The stator 61 of motor 60 is supplied with three phase A.C. through brushgear 66. In a modification, Fig. 2 (not shown) which avoids the use of brushgear, the stator (161) of the second motor is energized through a rotary transformer (172) between the two electric motors, the rotor of the transformer being mounted on the hollow shaft (152) carrying the rotor of the first motor and the stator of. the second motor.
Patent GB-349571-A (GB)
Title: Grab for heapable goods
IPC: B66C3/12
Filed: 1930-02-21
Abstract: 349,571. Grabs. NAAMLOOZE VENNOOTSCHAP HAVENBEDRIJF VLAARDINGEN-OOST, Vlaardingen, Holland. Feb. 21, 1930, No. 5811. Convention date, Oct. 7, 1929. [Class 78 (iv).] In a grab of the type in which rods are hinged to the grab head and to the outer edges of the bucket jaws (as at f) and side-arms rigidly attached to the jaws are connected by a central hinge, the closing ropes q act on the side-arms at points v between the hinges f and the central hinge c in such a manner that when the grab is open the force exerted by the closing ropes on the side-arms has a large upward component but when the grab is closed this force has a large horizontal component. The rods e are hinged at i to toggle levers h, the joint k of which abuts against a stop on the grab head when the grab is open. The hinge f is slidable in a slot g to give the grab some additional span. Each closing rope q passes round a pulley p on the grab head, round one of the pulleys vl on one of the side-arms, over one of a number of pulleys l on the toggle joint k, round a pulley v<1> on the opposite side-arm, back over another pulley l, round another pulley v<1> on the first side-arm, and finally to one side of the equalizing member u pivoted to the grab head. Thus the pulleys l hold the closing ropes up inside the open grab so that they clear the material being grabbed and can exert an upward pull on the side-arms. When the grab closes the hinge c rises and the points v reach nearly the same level as the axle k, with the result that the sections x of the closing rope become nearly horizontal and most of the pull of the closing ropes is used to draw the side-arms together and keep the grab closed. The opening rope m passes from the rotatable crosshead r round one of the pulleys l. When the closed grab is suspended on the opening rope the toggle levers h exert a spreading action on the rods e thus initiating the opening of the grab. Owing to the large horizontal force exerted by the closing ropes on the side-arms of the closed grab it is possible, when hoisting the grab, to share the load between the closing and the opening ropes.
Patent GB-385471-A (GB)
Title: Process for the production of conversion products of azodyestuffs
IPC: C09B43/06
Filed: 1932-02-26
Abstract: The process described in the parent Specification in which specified azo dyes are oxidized in presence of ammonia is modified by conducting the oxidation in presence of a heavy metal, e.g. iron or copper, or a compound thereof (other than manganese dioxide), singly or in admixture.  The specified dyes are derived from resorcinol or a derivative thereof (e.g. 1-methyl-2 : 4-dioxybenzene or 2 : 4-dioxybenzene-1-carboxylic acid), 1-methyl-2-amino-4-oxybenzene, a -naphthol or 1 : 5-dioxynaphthalene.  In examples (1) the dye 2-amino-1-phenol-4-sulpho-6-carboxylic acid --> resorcinol is refluxed with aqueous ammonia whilst air is introduced by means of a copper tube, (2) the dye 4-nitro-4<1>-aminodiphenylamine-2-sulpho acid --> resorcinol is treated as in (1) in presence of ferrous sulphate.
Patent GB-1129323-A (GB)
Title: Improvements in electromagnetic over-current relays
IPC: H01H71/24
Filed: 1966-05-10
Abstract: 1,129,323. Induction relays. ALLMANNA SVENSKA ELEKTRISKA A.B. 10 Feb., 1966 [11 Feb., 1965], No. 5838/66. Heading H1N. An induction relay arranged to be insensitive to the D.C. component in short circuit current on an A.C. system has a magnetic armature 4 with short-circuited conducting bars 5, biased by a permanent magnet 14 to a position of minimum reluctance so that the D.C. component in the current in energizing coil 2 does not tend to rotate the armature. The biasing by the magnet 14 can be adjusted by a movement of wedge-shaped shunt 15.
Patent GB-1045705-A (GB)
Title: Photographic material for the silver dyestuff bleaching process
IPC: C09B31/08
Filed: 1965-02-10
Abstract: Azo dyes of the general formula <FORM:1045705/C4-C5/1> wherein R1 is a benzene residue which may be substituted, R2 and R3 are each benzene residues which may be substituted by non-cyclic substituents, R3 being bound to the azo groups in 1 : 4-position and carrying two substituted or unsubstituted alkoxy groups in the 2- and 5-positions and R4 is a 1-substituted amino-8-hydroxynaphthalene disulphonic acid residue attached to azo in the 7-position, are made by coupling the diazo compound of an amine <FORM:1045705/C4-C5/2> with a coupling component R3-NH2, and diazotizing and coupling the product with a coupling component R4H.  In a Table of products R1 may be phenyl, p-chlorophenyl or p-methoxyphenyl and the substituted amino group in R4 may be benzoylamino which may be substituted by 4-chloro, 2:4-dichloro or 3- or 4-acetylamino. In an example, diazotized 2-amino-4-benzoylaminobenzene-1-sulphoni acid is coupled with 2:5-dimethoxy-aniline and the brick-red product diazotized and coupled with 1 - (21:41 - dichlorobenzoylamino) - 8 -hydroxynaphthalene-3: 6-disulphonic acid.
Patent GB-1518264-A (GB)
Title: Method of preparing crystalline compounds aivabvia
IPC: C30B29/46
Filed: 1977-02-11
Abstract: 1518264 Crystalline IVA-VIA compounds INST KHIMII AKAD NAUK SSSR 11 Feb 1977 [12 Feb 1976] 05904/77 Heading C1A Crystalline compounds AB wherein A is Si, Ge, Sn or Pb and B is S, Se or Te are made by the thermal decomposition on the surface of a substrate heated to a temperature of 250-450C of a compound of formula R k A l B m R<SP>1</SP> n  wherein R and R<SP>1</SP> are H or C1-4 alkyl, k =0-6, l=1-2, m =1-4 and n = 0-4 and wherein when l= 1, m = 1-4 and when l= 2, m=1-2. The substrate may be single crystalline compounds e.g. NaCl, KBr, mica or polycrystalline materials such as iron, copper or ceramics. To obtain the crystals in the form of whiskers, the substrate is heated to 275-350C preferably by means of infra red radiation inclined at an angle of 2-45C to the substrate. To obtain the product in the form of epitaxial film the substrate is preferably heated to 300-450C.
Patent GB-1272053-A (GB)
Title: Improvements in or relating to a universal joint
IPC: F16D3/202
Filed: 1970-02-06
Abstract: 1,272,053. Universal joints. AUTOMOBILES PEUGEOT, and REGIE NATIONALE DES USINE'S RENAULT. 6 Feb., 1970 [26 Feb., 1969; 26 June, 1969], No. 5922/70. Heading F2U. A universal joint 21, 23 comprises a first member 25, 26 with three transverse trunnions each rotatably mounting a roller 30, 31 rollable and slidable in one of three pairs of axially extending recesses in a second member 24, 27, between each roller and the first member there being a resilient element 28, 29 (e.g. a polyurethane ring or a pair of notched Belleville or corrugated washers) to urge the roller outwardly to prevent rattle. The joints may be used in pairs the intermediate shaft 22 being located between the members by at one end a spring 32 and at the other end a polyamide cup 35 and a resilient ring of microcellular polyurethane.
Patent GB-879352-A (GB)
Title: Improvements in or relating to drive mechanism for reciprocatory cutters of mowers or like harvesting machines
IPC: F16H21/52
Filed: 1960-02-19
Abstract: 879,352. Mowing machines. INTERNATIONAL HARVESTER CO. Feb. 19, 1960 [March 10, 1959], No. 5951/60. Class 6(3). A drive for a reciprocating mower comprises a wobble member 40 fixed to a driven shaft 31 and provided with a counterweight 56 and a shaft 44 on which is mounted a twoarmed member 45 which is coupled to a crosshead 71 on a vertical shaft 85 which at its lower end has fixed a two thereto armed lever 88 one end 87 of which is connected to the cutter bar and the other end of which is formed as a counterweight 89. The shaft 31 is driven by means of a pulley 38 from the tractor power shaft and is mounted in a bearing formed with an oil hole 98, the counterweight 56 being used to circulate the oil through the hole 98. Specification 814,163 is referred to.
Patent GB-675128-A (GB)
Title: Improvements in and relating to presses
IPC: B30B7/02
Filed: 1950-03-09
Abstract: 675,128. Presses. BRIGGS MANUFACTURING CO. March 9, 1950 [March 10, 1949], No. 5967/50. Class 140. A press for making panels such as trim panels for vehicle bodies applies consolidating pressure to assemblies of superposed laminations on the lines of a pattern defined by die means carried on a pair of arms at opposite sides of the press and so pivoted that they may be swung horizontally and alternately from a position in which the die means are disposed outside the press to a position in which the die means are alternately disposed between pressing members. The multi-platen (60a-60f) press shown comprises four sets of arms as at 77 to each of which is secured a die 72 for the accommodation of two panels 74, the arms of each set being mounted for pivotal and axial movement on rotatable shafts 78. In use pairs of dies 72 at the same level at one end of the press are successively loaded with material to be laminated each pair being in turn manually moved to expose the underlying pair; two shafts 78 (left hand) are then rotated to swing the associated arms 77 towards the platens 60 and on completion of a predetermined arc, e.g. 30 degrees, lugs 106, keyed to sleeves 88 in turn keyed by rollers 86 to shafts 78, abut the ends of lostmotion slots 104 and drive arms 112, and arms 77 connected thereto, which ride on their shoes 124 and 150 initially along fixed roller tracks 120 and 138 and then on tracks 134 and 152 carried by the platens 60, until the dies 72 are positioned between their respective platens, the edges of which serve as locating stops. The bonding operation is then effected, during which vertical movement of the dies is permitted by virtue of the rollers 86 rolling along flats 84, whereafter the arms 77 are withdrawn to the position in which they may be successively unloaded. In the meantime, the arms 77, at the other end of the press, which have already been loaded, are brought into operation to position the dies 72 thereof between the platens. The pressing members and all the arms 77 may be actuated by means of hydraulic systems having a common pump 50.
Patent GB-754852-A (GB)
Title: Improvements in or relating to internal combustion engine cooling systems
IPC: F01P7/06
Filed: 1954-03-02
Abstract: 754,852. Axial-flow fans; stuffing-box substitutes. WOLLEY F. March 2, 1955 [March 2, 1954], No. 6122/54. Classes 110(1) and 122(5) [Also in Group XXVII] A fan 19 for an I.C. engine water-coolant radiator has three &c. variable-pitch blades 21 on spindles 20 having pinions 29 meshing a rack 28 movable axially by a thermostat 25 in a cooling-water chamber 4 to coarsen the blade pitch as the water temperature rises. Each pinion 29 is mounted between roller bearings of its spindle 20, the end thrust of which is taken by a single ball. The annular rack 28 is adjustably screwed on a rod 27 passing to the movable end of the bellows thermostat 25 through the hollow shaft 6 of a water pump impeller 5 within which the thermostat is sealed. The shaft 6 carries the fan 19 and its driving pulley 17 and is mounted in a chamber casing 1 on the engine block 2 via sleeve, ball or, as shown, combined roller and ball bearings sealed off from the chamber 4 by a rotary rubber washer 10 compressed between a spring-loaded metal cup 9 and a fibre washer 11 itself entrained and pressed against a seating 13 by the cup. Lubricant supply and drain passages 14, 14a are provided. Upon thermostat bellows breakage the blades 21 turn to coarse pitch automatically in the air stream, assisted if desired by the action of a spring within the bellows or elsewhere. With a cold engine, the blades may normally turn sufficiently to reverse their pitch and counteract an induced draught through the radiator.