baber/WOPTO huggingface dataset:
Patent GB-1214261-A (GB)
Title: Porcelain enamel frits and enamels made therefrom
IPC: B05D5/00
Filed: 1969-02-06
Abstract: 1,214,261. Enamel frits. FERRO CORP. 6 Feb., 1969 [22 March, 1968], No. 6463/69. Heading ClM. A porcelain enamel frit comprises from more than 12 to 70 weight per cent (in total) of at least one oxide selected from the oxides of Co, Mn, Cu and Cr, with the proviso that, when any Cr is present, there is also present at least one oxide selected from Co, Mn and Cu oxides, the oxides having been melted into and homogeneously dispersed throughout the frit. The frits are particularly, useful on oven-liners for self-cleaning ovens, as these oxides act as oxidation-inducing agents. They may also be used in exhaust systems for paint baking ovens and for automobiles to oxidize noxious compounds. Typical frits (of which examples are given) fall within the following ranges in weight percentages: 5i0 2  10-60; B 2 O 3  0-30; BaO 0-20; CaO 0-30; Li 2 O 0-15; K 2 0 0-20; Na 2 O 0-20; P 2 0 5  0-20; F 2  0-10; 8b 2 0 5  0-30; TiO 2  0-30; ZnO 0-20 with oxidation oxides Co, Mn, Cu, Cr > 12-70. The frit is mixed with small amounts of mill additions, water and possibly alumina and sprayed on to a prepared substrate and fired at below 1600 F., in examples 1400-1450 F.
Patent GB-439342-A (GB)
Title: Improvements in or relating to magnetron arrangements and to electron discharge devices for use therein
IPC: H01J25/52
Filed: 1935-03-01
Abstract: 439,342. Discharge devices; valve generating circuits. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. March 1, 1935, No. 6561. Convention date, March 1, 1934. [Classes 39 (i) and 40 (v)] A discharge device, suitable for use as a magnetron oscillator, comprises a plurality of cathodes and two anode parts associated with each cathode, the whole of the anode parts being longitudinally substantially co-extensive and corresponding anode parts being mechanically united laterally so that there are two groups of anode parts each constituted by a mechanically unitary electrode member. Six electrode systems may be formed by inner and outer . walls, each of which is formed by six partly cylindrical members A1, A2, Fig. 1, and houses a filament cathode K. The members A1 may form the side walls of the container and are closed at each end by ceramic discs B, Fig. 3. The outer and inner anode parts A1, A2 are connected to concentric tubes E1, E2 which are sealed into the discs B through glass members Z and serve as leading-in conductors and to conduct the high-frequency oscillations to the aerial &c. The anodes A2 may be extended to form the tube W1 which together with an inner tube W2 forms a cooling circuit. The space within the anodes A2 may also be adapted to house the leading-in wires for the seriesconnected cathodes K. A field coil F surrounds the tube, a number of which may be connected in parallel by means of the tubes E1, E2. In another form, the anode parts are formed by coatings, e.g. by spraying, on ceramic structures, e.g. the structure J1, Fig. 6, which forms the envelope of the device, and the structure J2 provided with a bore C for cooling fluid. In another form, the cathodes K, Fig. 5, are located in one plane and are housed within anodes A1, A2. The Specification as open to inspection under Sect. 91 states also that two discharge devices, each of which comprises a cathode and a split anode, are arranged between the two poles of a permanent magnet. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1064821-A (GB)
Title: Improvements relating to roofs
Inventor: GREIS THEODOR
IPC: E04D5/10
Filed: 1964-02-17
Abstract: 1,064,821. Laminates. F. E. S. WRIGHT. Feb. 17, 1964, No. 6592/64. Heading B5N. A roof is covered with sheet material comprising closely abutting parallel slats 2 secured by adhesive to a flexible backing 1, enabling the material to be rolled up for transport. The slats may be of plaster-board, wood, cork, agglomerated cork, wood pulp, wood fibre, glass, glass fibre, rock wool, slag wool, plastics material, linoleum or foam material, and the backing may be of roofing paper or felt. Thin metal straps 3, formed with holes 4 for nailing the material to the roof, may be secured to the backing 1 or, in a modification, may replace it. The backing 1 may be extended along one edge, at 5, and at one end 7, to underlap adjacent sheets, the opposite edge and end being kinked as at 6, 8, and the underside of the slats being cut away as at 10, to permit interfitting. In section the slats 1 may be of rectangular form as shown, or may have oblique or stepped edges. The outer edges of the slats may be chamfered to produce drainage channels and thin ends may be oppositely chamfered to interfit with those of adjacent sheets. The sides of the slats may be coated with pressure-sensitive adhesive so that they stick together when the sheets are laid flat. When the material is used to cover a curved surface adhesive coated wedge-shaped fillets may be inserted between the slats. Coatings of insulating material may be applied to the outer surfaces or all exposed surfaces of the slats or a sheet of insulating material may be applied to channelled slats so as to have channels beneath the material for drainage or for enclosing electric leads. The slats may be formed by applying slabs of material to the backing and cutting along parallel lines wholly through the material or sufficiently deeply to render it flexible.
Patent GB-1039001-A (GB)
Title: Shock absorber
IPC: F16F9/49
Filed: 1964-02-17
Abstract: 1,039,001. Shock absorbers. GENERAL MOTORS CORPORATION. Feb. 17, 1964 [Sept. 25, 1963], No. 6599/64. Addition to 1,039,002. Heading F2S. The double-acting shock absorber shown in Fig. 2 of the parent Specification is provided in its piston with gravity-closable ball check elements 72 such that hydraulic fluid may flow into the piston rod end of the cylinder on the rebound stroke of the shock absorber before the piston rod duct is uncovered.
Patent GB-956255-A (GB)
Title: 1-dialkylamino-3-pyrrolidylmethyl alcohols, amines and methylamines and process for preparing same
IPC: C07D215/42
Filed: 1961-05-26
Abstract: The invention comprises pyrrolidine compounds of the formula: <FORM:0956255/C2/1> (wherein R1 and R2 are alkyl or alkenyl radicals of at most 4 carbon atoms and Z is -O-, -NH- or -N.(CH3)-) and their preparation by reacting a dialkyl itaconate containing up to 8 carbon atoms in each alkyl radical with a substituted hydrazine NH2.NR1R2 to form a 1-NR1R2-3-alkoxycarbonyl -5- pyrrolidinone and either reducing this to form a required compound wherein Z is -O- or reacting it with ammonia or methylamine to form a 1-NR1R2 -3- carbamoyl or methylcarbamoyl -5- pyrrolidinone and reducing this to form the required compound wherein Z is -NH- or -N.(CH3)-. The reductions may be effected with lithium aluminium hydride. Examples are given.
Patent GB-1167593-A (GB)
Title: Improvements in or relating to Control Systems for Motor Vehicle Clutches
IPC: F16D65/28
Filed: 1967-02-13
Abstract: 1,167,593. Clutch control. SCANIA-VABIS A.B. 13 Feb., 1967 [17 Feb., 1966], No. 6722/67. Heading F2L. In the control of a spring-engaged motor vehicle clutch, wherein, under normal conditions, disengagement is by a servomotor 25 connected by its actuating rod 33 to a disengaging lever 9 and energized through a follow-up valve 7 under the control of a pedal 1, a housing 12 of the valve is mechanically (Fig. 1, not shown) or, as shown, hydraulically connected to the pedal and also, by a pin-and-slot lost motion connection, connected to the disengaging lever, and the plunger 14 of the valve is acted on by the disengaging lever, the arrangement being such that the servomotor is energized before the lost motion is taken up, and, in the event of servomotor failure, clutch disengagement may be effected purely manually after the lost motion is taken up. As shown, the pedal 1 is connected to the housing 12 via a master cylinder 36, provided with a reservoir 37, and a slave cylinder 39. The piston of the latter acts on a rod 42 which is secured by screws 44 to the valve housing 12 and has a forked end accepting the lever 9. A pin 45 of the lever 9 passes through slots in the forked end of the rod 42 and has an enlarged end engaging the plunger 14. The housing 12 has an intermediate chamber connected to the servomotor 25. The plunger is urged in one direction by a spring 13 to uncover a bore therein and exhaust the servomotor and is urged in the other direction by the pin 45 to lift a spring-loaded rubber washer 18 from its seat to admit air pressure to energize the servomotor. The servomotor 25 is of the spring- returned diaphragm type. The servomotor 25 and the slave cylinder 39 then may be rigidly mounted together on a bracket. In Fig. 1 (not shown), the pedal 1 is connected to the housing 12 by levers and links, and the disengaging lever 9 acts directly on the plunger 14. The lost-motion connection pin may be fast in the housing 12 and engage a slot in the disengaging lever 9 or vice versa.
Patent GB-279698-A (GB)
Title: Improvements in and relating to handles for cooking pans, baking tins and similar utensils
IPC: A47J45/10
Filed: 1927-03-10
Abstract: 279,698. Wilson, H. March 10, 1927. No Patent grarvted (Sealing fee not paid]. Handles.-Relates to detachable handles for the bodies or covers of saucepans, baking tins or other cooking utensils. The handle is formed with a wedge-like lug b adapted to engage upwardly in a tapered socket a provided on the pan or other vessel, &c., and has a depending " palm "portion c against which the vessel bears whilst being carried. The lug and socket may be formed with co-operating recesses and projections m, n, as shown in Fig. 8, or may have a web p and slot o as shown in Fig. 9.
Patent GB-1187362-A (GB)
Title: Process for the Preparation of Polyurethane Polyureas
Inventor: ZIEMANN HEINZ
IPC: C08G18/48
Filed: 1968-02-12
Abstract: 1,187,362. Polyurethanes - polyureas. FARBENFABRIKEN BAYER A.G. 12 Feb., 1968 [10 Feb., 1967], No. 6772/68. Heading C3R. Polyurethane-polyureas which are watersoluble are prepared by reacting a watersoluble reaction product of a water-soluble polyhydroxyl compound which contains at least two reactive hydrogen atoms and an excess of a diisocyanate compound, with an aqueous solution containing from 0À1 to 10% by weight of one or more polyfunctional amines containing aliphatically linked amine groups, the amount of the poly-functional amine being such as to provide a polyurethane polyurea having free amino groups. The water-soluble polyhydroxy compounds are suitably of the formula wherein R is an alkylene radical having 2 to 4 carbon atoms, Y is oxygen, sulphur, tertiary nitrogen or the radical of an at least difunctional hydroxy-alkylatable compound obtained by removal of H atoms from the functional groups, x is an integer of at least 1 and z is an integer of at least 2. Exemplified polyhydroxyl compounds are polyethylene glycol ethers, methyldiethanolamine and a polyaddition product derived from methyl diisopropanolamine and triethylene glycol. The water-soluble polyhydroxyl compounds are reacted with conventional diisooyanate optionally in the presence of a solvent which is preferably soluble with water or miscible in water. Exemplified amines which are reacted with the watersoluble reaction product are diethylene triamine, triethylene tetramine, bis-(3-aminopropyl) methylamine and N-2-hydroxyethyl ethylene diamine.
Patent GB-1521014-A (GB)
Title: Thermoplastic polyolefine composition and process for stabilising polyolefines
IPC: C08L7/00
Filed: 1977-02-18
Abstract: 1521014 Polyolefin stabilizers; urea compounds CIBA-GEIGY AG 18 Feb 1977 [19 Feb 1976] 6839/77 Heading C3K Polyolefins contain as stabilizer a substituted urea of formula in which n is 1 and R<1> to R<4> each denote H or an aliphatic group, at least one of R<1> to R<4> being an aliphatic group, or one or both of R<1> and R<2>, and R<3> and R<4> make up a heterocyclic ring system; or n is 2, R<1> to R<3> each denote H or an aliphatic group and R<4> is alkylene or R<3> and R<4> together with the N atoms form a divalent N-containing heterocyclic linking group. The groups can each be substituted by aliphatic OH, COOH and ester groups. The urea can be used in conjunction with a hindered phenol.
Patent GB-944622-A (GB)
Title: A hydraulic transducer
IPC: F15B5/00
Filed: 1961-02-24
Abstract: 944,622. Fluid-pressure servomotor systems. LICENTIA PATENT-VERWALTUNGSG.m.b.H. Feb. 24,1961 [Feb. 29, 1960], No. 6848/61. Heading G3P. A hydraulic tranducer for a prime mover comprises a cylinder 1 and a spring-biased piston 14 defining a space which communicates with a supply pipe 2, an outlet pipe 4 leading to the regulator and a pipe 9, flow through the pipe 9 being controlled in dependence on a signal and the pressure variation in the space above the piston 14 being transmitted to an auxiliary piston 15. Valves 12 and 13 enable the pressure range applied to the regulator to be varied for a given movement of a control rod 7. The latter cooperates with an opening 6 in the piston 14 to regulate the flow in the pipe 9 whilst the piston 15 is coupled with the piston 14 to improve the linearity of operation. An orifice plate 3 maintains the pressure of the supplied liquid constant.
Patent GB-267310-A (GB)
Title: Improvements in or connected with electro-motors
IPC: H02K1/26
Filed: 1926-03-12
Abstract: 267,310. Aircraft Patents, Ltd., and Cooke, G. H. March 12, 1926. Cores; coils. - The ring armature 1 of a continuous - current motor particularly for use as the rotating element of gyroscopic apparatus such as a gyro turn indicator on aircraft, has outer slots 2, Fig. 3, equal in number and in staggered relation to the inner slots 3, and the end windings 4, 5 extend diagonally from a slot of one set to the two adjacent slots of the other set. The armature surrounds a stationary field magnet 10 and is carried between side plates 6, Fig. 4. One or two commutators 8, 9 may be provided, with which cooperate brushes 11<x> carried in the frame 11. The armature may be arranged within the field magnet in which case it is carried by a spider on the shaft. The field magnet may be series or shunt wound or it may be a permanent magnet.
Patent GB-367197-A (GB)
Title: Metal ribbon making
IPC: B21B27/08
Filed: 1931-03-05
Abstract: 367,197. Rolling metal strip. GRISCOM-RUSSELL CO., 285, Madison Avenue, New York, U.S.A.-(Assignees of Dewald, E. A. ; Massillon, Ohio, U.S.A.) March 5, 1931, No. 6937. Convention date, Jan. 8. [Class 83 (iv).] Metal wire is flattened to form ribbon for coiling on heat exchanger tubes &c. by passing it between rolls 10, 11 while tensioned over a considerable length to keep it straight by a series of rollers 12 .. 16. Before entering the rolls 10, 11 the wire passes between straightening rollers 7, 8, 9 which have two or more grooves to accommodate two or more parallel wires passing through the mill simultaneously. The rolls 10, 11 are driven by gearing 70 from an electric motor and the rollers 12 .. 16 are also driven by gearing therefrom, the peripheral speed of the roller 12 being greater than that of the rolls 10, 11 and that of rollers 13 .. 16 being still greater than that of roller 12. A weighted pressure roller 17 bears on the ribbons 88 as they leave the roller 16. Guide bushes 57, 87 are provided in front of and behind the straightening rollers 7, 8, 9. The pass is adjusted by a handle 41 which gears with two nuts 36 to raise the frame 33 carrying the support rollers 32 so that the roll bearing blocks 22 are pushed apart by spacing springs 28. The frame 33 also exerts pressure on the bearing blocks 22 by adjusting the screws 34 bearing on the block 22. Cooling liquid is supplied to the rolls, Fig. 7, through axial passages 48 and radial passages 49 in their shafts 26, the liquid then passing to an annular chamber 47 in each roll. Each roll is built up of a cylindrical shell 43 held on the boss of the axle by a stepped collar 44 at each end.
Patent GB-563959-A (GB)
Title: Improvements relating to oil burners
IPC: F23K5/20
Filed: 1943-05-03
Abstract: 563,959. Oil burners. RUTHERFORD, E. J. Y. May 3,1943, No. 6950. [Class 75 (i)] Oil fuel fed to a burner such as is described in Specification 237,203 [Class 75 (i)], for atomization by steam generated in flash-boiler tubes a arranged in the flame tube b, is heated by passage through tubes arranged in a hot water tank e which is connected by flexible flow and return pipes f, g to U-tubes h, i adjustably arranged in the flame zone of the burner so that thermosyphonic circulation takes place. The U-tubes h, i are preferably at different levels on opposite sides of the burner and may be adjusted axially of the burner, the insulated cross pipe connecting them being used as a handle. The tank e may be supported on standards m. The oil tubes in the tank e are closed by screw caps u, one of which may carry a thermometer and the. others steel cores extending along the tubes. Specification 554,660 also is referred to.
Patent GB-564327-A (GB)
Title: Improvements to and relating to means for preventing hammer heads coming off shafts
IPC: B25G3/28
Filed: 1943-05-05
Abstract: 564,327. Hammer handles. FEARN, W. H. May 5, 1943 No. 7088. [Class 61 (i)] A hammer handle S is securec in the tool eye H by a tapering strip of metal, the pointed enc E of which is forced into the wood of the handle when the latter is driven into the eye and the projecting end W of the strip bent over the edge of the eye.
Patent GB-648927-A (GB)
Title: Improvements in the production of oxidised proteins and protein derivatives and of photographic emulsions therefrom
IPC: G03C1/047
Filed: 1948-03-08
Abstract: A protein or protein derivative is subjected to oxidative hydrolysis with hydrogen peroxide, the original protein being substantially insoluble in water at a pH of 7 but soluble at a pH of 9 to 11.  The protein may be rendered photographically inert by treatment with Raney nickel or other metal as described in Specification 638,214. The protein may be first treated with hydrogen peroxide and then converted into a derivative.  Numerous sulphonyl chlorides, carboxylic acid chlorides, acid anhydrides, isocyanates, and 1 : 4-diketones capable of forming protein derivatives are specified, and the protein derivative may also be formed using acrylonitrile.  The protein may be casein, soyabean protein, blood albumen, egg albumen, castor bean protein, globulin, or edestin.  In example 1, an aqueous solution of casein at pH 10.5 is treated with acetic anhydride at 110 DEG  F., acrylonitrile is added and the temperature held at 110-120 DEG  F. for two hours, the temperature is reduced to 85-90 DEG  F. and hydrogen peroxide added.  After coagulation with dilute sulphuric acid and washing, the coagulum may be redispersed and stirred with Raney nickel catalyst, and the separated liquid acidified to re-form the coagulum.  Blood-albumen and soya-bean protein may be similarly treated.  In example 2, casein is reacted with acrylonitrile and then oxidized with hydrogen peroxide.  In example 3, casein, blood-albumen, or soya-bean protein are oxidized with hydrogen peroxide, and the derivative may be treated with Raney nickel and may be hardened with formaldehyde. In example 4, blood-albumen, egg albumen, soyabean protein, globulin, or edestin is reacted with phthalic anhydride and then oxidized with hydrogen peroxide. Methacrylyl-casein reacted with acrylonitrile, phthalyl-casein reacted with acrylonitrile, acetyl-blood albumen, and acetyl-soyabean protein may also be oxidized.  Specification 648,926 also is referred to.
Patent GB-513266-A (GB)
Title: Improvements in or relating to the manufacture of polyvinyl resins
IPC: C08F8/04
Filed: 1938-03-07
Abstract: 513,266. Polyvinyl acetal resins. KODAK, Ltd. March 7, 1938, No. 7159. Convention date, March 5, 1937. [Class 2 (iii)] Stable polyvinyl acetal resins are'prepared by subjecting a polyvinyl acetal resin before it has been heat-dried, or a polyvinyl body used as an intermediate in the manufacture of the polyvinyl acetal resin, to a reducing action. The reducing action may be effected on the acetal resin or on a polyvinyl alcohol or ester used in preparing the acetal, either in the reaction mixture in which it is prepared or in solution (e.g. in alcohol, acetic acid, and alcohol respectively) after separation therefrom. The preparation of the acetal may be carried out in the presence of a reducing agent. Reduction may be carried out with a non- metallic agent such as hydroquinone, pyrogallol, a reducing amine, hydroxylamine, or hydrazine, or with hydrogen in the presence of a catalyst or in an electrolytic process. The process may be applied to acetals prepared from esters such as the acetate, propionate, butyrate, acetatepropionate, acetate-butyrate, acetate-chloride, and mixtures of esters, partially or completely hydrolyzed and reacted with formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, or mixtures' thereof. After heat-drying the products may be used, mixed if desired with cellulose esters or ethers, gums, natural or synthetic resins, waxes or oils, for making films (e.g. photographic films), artificial yarn, lacquers, moulding compositions, impregnated textiles, wrapping material, electrical insulation, waterproofing, and laminated materials e.g. glass, wood, metal, or paper. In examples (1)-(3) polyvinyl acetate is (1) hydrogenated in the presence of platinum oxide or platinum black ; (2) electrolytically reduced ; (3) treated with hydroxylamine, then condensed with paraldehyde ; (4) vinyl acetate is polymerized in benzene solution, platinum oxide added, and the polyvinyl acetate hydrogenated, being then converted to acetal ; (5) polyvinyl acetate is Hydrolyzed and simultaneously reacted with paraldehyde and butyraldehyde in the presence of hydroxylamine hydrochloride ; (6), (7) polyvinyl acetaldehyde acetal is hydrogenated in the presence of platinum oxide or Raney nickel catalyst ; (8) polyvinyl acetaldehydebutyraldehyde acetal is hydrogenated in the presence of platinum oxide; (9) polyvinyl acetaldehyde acetal is electrolytically reduced ; (10) a partial polyvinyl butyraldehyde acetal prepared according to Specification 459,878 was hydrogenated in the presence of platinum. U.S.A. Specification 1,583,803 also is referred to. The Specification as open to inspection under Sect. 91 refers also to stabilizing, preferably before heat-drying, polyvinyl resins in general, including polyvinyl organic esters, polyvinyl alcohol, polyvinyl halides and polystyrenes. It includes an example in which polyvinyl acetate is hydrogenated in the presence of platinum oxide. This subject-matter does not appear in the Specification as accepted.
Patent GB-681419-A (GB)
Title: Improvements in and relating to dynamo-electric machines
IPC: H02K9/14
Filed: 1951-03-28
Abstract: 681,419. Cooling dynamo-electric machines. BRITISH THOMSON-HOUSTON CO., Ltd. March 28, 1951 [April 11, 1950]. No. 7209/51. Class 35. In a totally enclosed dynamo-electric machine external air is blown over the outer periphery of the enclosing casing by a fan 27 located between an inner end shield 11 and an outer end shield 17, the shield 11 having depression(s) 23 formed therein communicating with outlet openings 26 in the shield 17. Cooling air is drawn in through an opening 22 in the outer shield 17 and is discharged from the fan 27 via depressions 23 having bottom portions 24 and then finally discharged through the outlets 26. In order to avoid spinning of the air in the cavity 20, the depressions 23 have vertical sides 29. The fan 10 carried by the rotor 6 circulates the internal air within the motor and the fan 27 circulates the external air which carries off the heat dissipated in the inner end shield 11.