baber/WOPTO huggingface dataset:
Patent GB-695206-A (GB)
Title: Improvements in boilers particularly for locomotives
IPC: F22B13/06
Filed: 1950-03-30
Abstract: 695,206. Multitubular steam boilers; feedwater heating systems. CROSTI, P. March 30, 1950 [June 9, 1949], No. 8030/50. Classes 64 (i) and 123 (ii) In a locomotive &c. boiler comprising a cylindrical steam-and-water shell 1 housing a plurality of smoketubes 22 extending between a firebox 2 and a smokebox 4, one or a pair of feed-water heaters 6 are disposed below said shell 1. The heaters 6 each comprises an upwardly inclined cylindrical shell which has a feed-water inlet 28, a hot-water outlet 29 leading to the shell 1, and is fitted with smoke-tubes 7 through which combustion gases pass from the smokebox 4 to a second smokebox 20 provided with a chimney or side chimneys 21. The tubes 7 and their end plates 8, 9 are mounted within the heater shell so that the assembly may be withdrawn through the smokebox 4. As shown the shell may be jacketted at 35 for the circulation of exhaust &c. steam. Preferably the smokebox 4 is fitted with a ledge 24 which co-operates with a cross-piece 26 on the smokebox door 23, when the latter is closed, to form a collecting zone 27 for solid particles in the combustion gases. The smokebox 4 may also have a chimneylike conduit 37 normally closed by a cover 38 but adapted to be opened by lever mechanism 39 when starting-up the boiler.
Patent GB-1530751-A (GB)
Title: Phenylalanine derivatives
IPC: C07D295/185
Filed: 1977-02-25
Abstract: 1530751 Phenylalanine derivatives substituted by thiocarbonyl groups KYOWA HAKKO KOGYO KK 25 Feb 1977 [25 Feb 1976 (2) 18 June 1976 24 Nov 1976] 08148/77 Heading C2C Novel compounds (Ia) (wherein A<SP>1</SP> represents an optionally substituted phenyl group or an optionally substituted naphthyl group and R 1  represents a hydroxy, alkoxy or optionally substituted amino group with the proviso that when A<SP>1</SP> represents an unsubstituted phenyl group R 1  may only represent an optionally substituted amino group or a methoxy group) and the salts thereof, are made by standard methods. Compositions having lipid-lowering action contain (Ia), with the proviso not applying, as active ingredient.
Patent GB-1235415-A (GB)
Title: Recovery of paracumyl phenol
Inventor: BULMER JOHN CHARLES ERIC
IPC: C07C37/74
Filed: 1969-02-14
Abstract: 1,235,415. Recovery of paracumyl phenol. IMPERIAL CHEMICAL INDUSTRIES. 12 May, 1970 [14 Feb., 1969], No. 8171/69. Heading C2C. Paracumyl phenol is separated from a mixture comprising paracumyl phenol, dimers of α-methyl styrene and less volatile materials by distilling from them at a maximum temperature of 270‹ C. at a reflux ratio of at most 2, using at most 5 theoretical plates, a distillation cut comprising paracumyl phenol and dimers of α-methyl styrene and crystallizing paracumyl phenol from the cut by cooling.
Patent GB-698130-A (GB)
Title: Improved closure for bottles and other containers
IPC: B65D41/02
Filed: 1951-04-09
Abstract: 698,130. Stoppers. STILL, S. C. HART-. July 7, 1952 [April 9, 1951], No. 8235/51. Class 125(iii) A hollow plug stopper 4 has the hollow part closed by a deformable diaphragm 7 which bulges outwardly in the sealing position but is depressed inwardly to unseal the container. The internal wall 8 of the plug has spaced-apart longitudinal ribs 11, the thinner parts 12 between the ribs expanding to take up variations in the contour of the bottle mouth and the stopper is moulded in one piece from polythene.
Patent GB-749051-A (GB)
Title: Improvements in the preparation of derivatives of pyrimidine
Filed: 1952-04-01
Abstract: Pyrimidine compounds are prepared by heating a 2-amino-4-hydroxy-5-p-chlorophenyl-6-ethyl-dihydropyrimidine with sulphur or phosphorus pentasulphide to form 2-amino-4-hydroxy - 5 - p - chlorophenyl - 6 - ethyl-pyrimidine or 2-amino-4-mercapto-5-p-chlorophenyl-6-ethyl-pyrimidine respectively. The resulting pyrimidines may be converted to 2,4-diamino-5-p-chlorophenyl-6-ethyl-pyrimidine by methods known for the conversion of a hydroxy or mercapto group to an amino group.  In the examples both the above compounds are prepared, the amino-mercapto compound is converted to 2,4-diamino-5-p-chlorophenyl-6-ethyl-pyrimidine by heating with ethanolic ammonia, and the amino-hydroxy compound is converted to the same pyrimidine product by reaction with phosphoryl chloride to form the 4-chloro derivative which is then heated with ethanolic ammonia. The 2-amino-4-hydroxy-5-p-chlorophenyl-6-ethyl-pyrimidine is also converted into the acetyl derivative thereof.  Specification 734,842 is referred to.
Patent GB-753882-A (GB)
Title: Polymers of maleimide derivatives
IPC: C08F22/36
Filed: 1954-03-22
Abstract: 753,882. Maleimide derivative polymers and copolymers. UNITED STATES RUBBER CO. March 22, 1954 [May 25, 1953; May 25, 1953], No. 8260/54. Class 2 (5). [Also in Group IV (b)] The invention comprises resinous polymerizates of which the monomeric constituents are composed of a maleimide derivative of the formula where Z is hydroxyl, chlorine, bromine, thiocyano, carbamyloxy, acyloxy, alkylamino, arylamino or piperidino, with or without other monomers, especially an ethylenic compound having a terminal non-conjugated CH2 = C# group. The amount of maleimide derivative may be as low as 1 per cent but is preferably at least 5 per cent by weight. The resins are thermosetting to an insoluble infusible state by cross-linking. The polymerization is effected with the usual free-radical catalysts, especially benzoyl peroxide. Examples show the polymerization of N-methylol-maleimide and N- acetoxymethyl-maleimide and of the following copolymers: (1) N-methylol-maleimide with styrene, vinyl acetate, 2-ethylhexyl acrylate, vinyl n-butyl ether, vinyl chloride, acrylonitrile, methyl methacrylate, n-butyl acrylate, α- methylstyrene, isobutylene, allyl acetate, octene-1, isopropenyl acetate, 2-methyl-5-vinylpyridine, vinylidene chloride, methyl vinyl ketone and diethyl fumarate; (2) N-chloromethyl-maleimide with styrene, vinyl chloride and acrylonitrile; (3) N-thiocyanomethyl-maleimide with acrylonitrile, 2-methyl-5-vinyl-pyridine and vinyl chloride; (4) N-anilinomethylmaleimide with styrene; (5) N-dibutylaminomethyl-maleimide with styrene; (6) N-piperidinomethyl-maleimide with styrene; (7) N- phenylcarbamoyloxymethyl - maleimide with styrene; (8) N-acetoxymethyl-maleimide with styrene, vinyl acetate, vinyl chloride and acrylonitrile; (9) N-propionyloxymethyl-maleimide with methyl vinyl ketone; and (10) N-(#- carboxy-propionyloxymethyl)-maleimide with styrene. Other suitable co-monomers are acrylic compounds CH 2 : CVY, where V is hydrogen, methyl or chlorine and Y is -CN, -COOR or -CONR 2 , R being hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl or aryl, CH 2 : CV-CH 2 -OH and esters thereof with monobasic and dibasic acids, vinyl esters and vinyl - pyridines. Examples of these types are mentioned. Other specified maleimide derivatives are the N-diethylaminomethyl, N-di-n-butylaminomethyl, N - butyryloxymethyl, N - benzoyloxymethyl and N-trifluoroacetoxymethyl compounds.
Patent GB-372033-A (GB)
Title: Improvements in or relating to stroboscopic apparatus for producing motion effects in pictures
IPC: G01P3/40
Filed: 1931-03-18
Abstract: 372,033. Stroboscopic apparatus. WOODWARD, J. W. W., 16, Maxwellton Street, Paisley. March 18, 1931, No. 8265. [Class 97 (i).] In stroboscopic apparatus for producing motion effects in pictures comprising a rotating disc A carrying pictures, and provided with slits B through which the pictures are viewed by reflection in a mirror, the pictures C are each placed between a slit and the centre of the disc. The pictures may be prints or photographs produced on the disc or on pieces of paper &c. removably attached to the di$c. The disc may be removably mounted on a pivot or axle carried by a screen D provided with an aperture E corresponding in size and shape with one slit and picture, and the screen may be provided with a handle for supporting it. Alternatively, as shown, a backboard J may be provided in conjunction with the disc A and the screen D, and the pivot may be carried by the backboard, being rotatable by hand or motor through pulleys and a belt ; an aperture corresponding to the narrow upper part of the aperture E is provided in the backboard J. A mirror M may be supported by an adjustable bracket L attached to the screen D.
Patent GB-1422719-A (GB)
Title: Building structure
IPC: E04B2/70
Filed: 1973-02-20
Abstract: 1422719 Wall structure GIBBS BRIGHT & CO PTY LTD 20 Feb 1973 8289/73 Heading E1W A wall is formed by the super position of horizontal elongate members 22 each with a slot 23 in an end. The slots are arranged in vertical alignment and the members connected by a vertical element 25 engaging in the slots, strips of waterproof material 28 being sandwiched between each of the members 22. The vertical elements 25 may be steel or aluminium angle bars, channels or W-section elements the free longitudinal edges of which engage in the aligned slots. The elements 25 may support a vinyl coated steel roof and where they are of channel form one flange 26a may engage grooves at each end of a series of logs 22 and the other flange 26b may provide a cover strip over the log ends on the inside face of a building.
Patent GB-381480-A (GB)
Title: Improvements in metal beams
IPC: E04C3/04
Filed: 1932-03-21
Abstract: 381,480. Metal beams. LEE, D. H., 46, Eagle Wharf Road, London. March 21, 1932, No. 8335. [Class 20 (iv).] Metal beams with non-corrugated web are formed with one flange 1 wide and thin and the other flange 2 narrow and thick, the areas of the two flanges being approximately equal and the centre of gravity near to the half depth. The flanges may be tapered or of uniform thickness, and the flange 2 may project unequally from the sides of the web. The beams may be inverted for use in floors, in which case the narrow flange being uppermost facilitates the application of concrete or the insertion of hollow tiles.
Patent GB-379241-A (GB)
Title: Improvements in and relating to machines for scutching or beating flax and other stalks
IPC: D01B1/30
Filed: 1932-03-21
Abstract: 379,241. Scutching flax &c. PARET, H., 30, Rue Traversiere, Bruges, Belgium. March 21, 1932, No. 8397. Convention date, March 23, 1931. [Class 120 (i).] Stalks of flax &c. are scutched &c. by frames 2, 3 comprising blades 4, 6 and 5, 7 rotating in opposite directions on the same axis 1, the blades striking the stalks simultaneously on opposite sides. The frames 2, 3 may be " U "-shaped, each comprising one blade, or rectangular &c. for two or more blades. The blades preferably have blunt, inwardly-turned, forward edges, the stalks 8 being conveyed by a belt 9 in a gutter 12 with a slotted bottom 13.
Patent GB-398872-A (GB)
Title: A means of producing artificial lava for use as an aggregate in the production of bituminous concrete or asphalt
IPC: F27D99/00
Filed: 1932-03-21
Abstract: 398,872. Rotary furnaces. KING, R. H., CROCKER, A. O., DOMSELAAR, B. B. VAN, THOMAS, L. N., HENDERSON, K., ADAMS, W. S., and WESTLEY, W. A., (trading as CONSTRUCTORA DE CAMINOS KINGITE CROCKER, KING, & CO.), 519, Calle BartolomÚ Mitre, Buenos Aires. March 21, 1932, No. 8411. [Class 51 (ii).] A rotary melting - furnace, more particularly adapted for the production of concrete and like aggregates from earth or waste materials such as towns refuse, comprises a barrel 2 through which the materials are fed to a truncated conical-combustion section 6 having its larger end closed by a wall 30 except for a slot 31 for the discharge of the molten material. Heating is effected by high pressure oil burners 37, one of which is directed on to the inclined wall of the section 6 to complete the fusion of the material. The section 6 may be rotated with, or independently of, the barrel 2, and both parts are supported on bearing rollers 7, 17, and are prevented from moving endwise by rollers 15, 19. A dam ring 4 is fitted at the discharge end of the barrel 2, and packed joints 28, 34 are provided between the relatively moving parts of the furnace. The apparatus is mounted on a chassis 9 having rail and road wheels 10, 40, and may be made in sections for convenience in transport.
Patent GB-241796-A (GB)
Title: Improvements in or relating to protecting devices for electric detonators
IPC: F42B3/182
Filed: 1925-03-30
Abstract: 241,796. Grant, H. L. Nov. 6, 1924, [Convention date]. Blasting-detonators, electric. The bar ends 6, 7 of the electric lead-in wires 6<a>, 7a of a blasting detonator 5 are shorted by a lead plug 9 or otherwise to prevent accidental transmission of current or E.M.F. to the detonator. The lead plug 9 is pulled off when the detonator is to be used. This operation separates the wires and simultaneously cleans them.
Patent GB-786434-A (GB)
Title: Improvements in or relating to organosilicon polymers and compositions containing the same
Inventor: LLOYD NORMAN CECIL
IPC: C08G77/06
Filed: 1955-03-23
Abstract: An elastomer-forming copolymer of one or more di-organosiloxanes and one or more tri-organosilyl end-blocked di-organosiloxanes, wherein the ratio of silicon atoms (in the copolymer) per tri-organosilyl unit is between 1000 and 6000 whereby the end-blocking unit is present in amount sufficient to prevent crepeageing of the copolymer when mixed with a reinforcing silica filler, but insufficient to affect deleteriously the physical properties of the vulcanized elastomer, the organic radicals being aliphatic hydrocarbon radicals containing less than 7 carbon atoms with or without aryl hydrocarbon radicals, may be made by polymerizing the respective siloxanes by reaction with an alkali metal hydroxide or an alkali metal salt of a triorganosilanol.  The end-blocked siloxane starting material preferably has a viscosity between 1 and 30 cs. at 25 DEG  C. and the reaction is effected, e.g. at 80 DEG  to 200 DEG  C. Siloxane hydrocarbon radicals specified are methyl, ethyl, butyl, vinyl, allyl, hexenyl, phenyl and tolyl.  The silica filler is used in amount, e.g. of 10 to 80 parts per 100 parts of copolymer. In examples, a liquid trimethylsilyl end-blocked dimethyl-siloxane was copolymerized with (1) a mixture of cyclic vinylmethyl- and dimethyl-siloxanes, (2) a mixture of cyclic dimethyl- and phenylmethyl-siloxanes, and (3) a mixture of cyclic dimethyl siloxanes.  The products were then milled with silica aerogel and benzoyl peroxide and vulcanized.
Patent GB-232030-A (GB)
Title: A new or improved calculator or score card for use more particularly in conjunction with the playing of games
IPC: A63B71/06
Filed: 1924-04-04
Abstract: 232,030. Chad Valley Co., Ltd., and Whitehouse, F. R. B. April 4, 1924. Scoring and marking apparatus.-A scoring device for games com prises a casing 1 having a part circular portion 2 marked with particular: of the different scoring points. A rotatable in ner disc 5 projects beyond the circular por tion 2 and is provided with score-value mark ings which become viewable through open ings 7, 9 in the casing as the disc is rotated. Scores are registered by rotating the disc 5 by means of a stylus inserted in one of a series of holes 6 formed in the edge of the disc. The device is particularly applicable to games in which doubles are scored, the effect of doubling the score, once, twice and three times being shown through the openings 9. Higher doubles may be indicated through openings in the underside of the casing.
Patent GB-850685-A (GB)
Title: Improvements in and relating to photographic contact printing apparatus
Inventor: MOSS JOSEPH WILLIAM
IPC: G03B27/22
Filed: 1956-03-20
Abstract: 850,685. Photographic contact printing apparatus. MASON & SONS Ltd., E. N. March 20, 1957 [March 20, 1956], No. 8623/56. Class 98(2) In contact printing apparatus in which one end of a blanket is attached to a rotatably mounted internally lighted transparent cylinder, the other end is attached to the frame of the apparatus and a member unwinds the blanket from the cylinder by drawing its intermediate section out into a loop. As shown, loop 29, 30 extends over the developing apparatus of Specification 792,563 which is housed in the casing of the contact printer and driven by a motor which also drives the cylinder cooling fan. Roller 14 is locked in the extended position of the blanket by the engagement of shaft 16 with notch 22 of slot 21 and a helical return spring acting through a band wound on the cylinder 2 (Fig. 4, not shown) is provided to wrap the blanket round the cylinder on release of roller 14. The cylinder 2 may be locked in the exposure position and the blanket tensioned by member 71 co-acting with spur 70 by means of link-work 73, 74 having fixed pivots 72, 75 and a handle movable in slot 76. A pre-set timer may switch off lamps 3 at the end of the exposure.
Patent GB-1293392-A (GB)
Title: Improvements in fluid springs
Inventor: GAYDECKI JAN
IPC: F16F9/04
Filed: 1969-02-18
Abstract: 1293392 Rolling diaphragm fluid springs DUNLOP HOLDINGS Ltd 11 Feb 1970 [18 Feb 1969] 8662/69 Heading F2S A rolling diaphragm fluid spring is constructed with a central passageway 14 for the insertion of a telescopic damper. The fluid spring comprises an annular piston 17 supported in an annular cylinder 12 by a rolling diaphragm 11 so that the fluid-containing chamber 10 is annular. The effective area of the diaphragm is constant (Fig. 2) or increases (Fig. 1) with deflection. The spring of Fig. 1 therefore has an increasing load/deflection characteristic.
Patent GB-683018-A (GB)
Title: Insert for rock drills
IPC: E21B10/58
Filed: 1951-04-13
Abstract: 683,018. Percussive drill bits. SANDVIKENS JERNVERKS AKTIEBOLAG. April 13, 1951 [April 21, 1950], No. 8671/51. Class 124. In a rock drill insert of substantially flat form and having zones of different hardness, the harder zones are shorter than the length of the insert and do not form part of the broad sides of the insert. As shown, an insert 13 may have harder portions 12 at either end forming the end edges and have softer metal along the whole length of the sides 16 and 17. The harder portions may have rounded ends, Fig. 5 (not shown), may be cylindrical, Fig. 6 (not shown); or may take the form of short oval shaped pieces arranged along the centre of the insert, Fig. 7 (not shown). The harder metal may or may not form part of the base of the insert, Fig. 4 (not shown).
Patent GB-565943-A (GB)
Title: Improvements in cardboard and like boxes or containers
IPC: B65D3/16
Filed: 1943-05-31
Abstract: 565,943. Cardboard boxes. ROBINSON, E. B. May 31, 1943, No. 8680. [Classes 18, 66 and 94 (ii)] A cardboard or like box or container for pills &c. consists of two members, each having one end open, fitted one within the other and, if desired, attached together by adhesive, the members being of circular, square or other desired sectional form. To open the box, the wall of the outer part is severed at 5, where a continuous or interrupted scoring may be provided, and the closed end thereof removed, the end being replaceable as a lid. The end discs 3, seated against inturned beads 4, may be of metal.
Patent GB-558391-A (GB)
Title: Improvements in electrical resistance heating elements
IPC: H05B3/00
Filed: 1942-06-25
Abstract: 558,391. Electric resistance heaters. MOORE, B. J., and MOORE, B. C. June 25, 1942, No. 8702. [Class 39 (iii)] Electric resistance heaters of the kind described in Specification 546,449 comprising a sinuous strip 10 of nickel-chromium alloy are extended to form the current leads, and additional strips 11 of nickel, iron, or a nickelchromium alloy of different proportions, e.g. 60:40 are welded thereto. The added strips are of higher electrical conductivity, and approximately similar coefficient of expansion.
Patent GB-116497-A (GB)
Title: Improvements in or relating to Radiators for Heating Buildings.
Inventor: POUILLE CHARLES DESIRE
IPC: F28D1/053
Filed: 1918-05-27
Abstract: 116,497. Pouille, C. D. May 30, 1917, [Convention date]. Radiators.-The pressed sheet iron elements a are connected to upper and lower sheet iron col.. lectors c, b by autogenous welding, and covers e, d formed with openings for the passage of air are fitted over the collectors. A sheet-iron casing g extends from the bottom over part of the height of the elements.
Patent GB-551877-A (GB)
Title: Improvements in or relating to electrically controlled timing devices
IPC: H01H43/10
Filed: 1942-06-26
Abstract: 551,877. Electromagnetic switches. IGRANIC ELECTRIC CO., Ltd. June 26, 1942, No. 8851. Convention date, June 28, 1941. [Class 38 (v)] A timing device which may close the circuit to a device 64 for a predetermined time comprises a self-interrupting magnet 1 with a pendulum or a fly wheel 30 for providing a substantial time interval between interruptions, and a ratchet-wheel 42 moved forward step by step at each oscillation of the armature 7 of the magnet 1 till eventually a stud 43 on it opens contacts 59 in the circuits of the electromagnet 1 and the device 64. The whole series of operations is started by pressing a push button switch 63 and when this is finally released it also serves to break the circuit of a second electromagnet 2 the armature of which has held the ratchet wheel against return movement, so that the parts all now return to their original positions. The armature 7 carries a contact 38 which normally engages a contact 37 on the flywheel 30. When the armature is attracted the flywheel is set rotating against a biasing spring and the contacts 37, 38 separate so de-energizing the magnet 1 until the flywheel swings back and re-engages them. The time period may be varied by varying the stroke of the armature the tension of the flywheel spring or the initial position of the ratchet wheel.
Patent GB-590034-A (GB)
Title: Improvements in methods of making fabric-reinforced resinous bars by a continuous operation
IPC: B29C53/04
Filed: 1945-04-10
Abstract: 590,034. Moulding bars of fabric-reinforced resin. UNITED STATES RUBBER CO. April 10, 1945, No. 8862. Convention date, July 4, 1944. [Class 87 (ii)] A bar of fabric-reinforced resinous material is made by applying to a strip of fabric 10 a reactive thermosetting resin 13, applying covering strips 17, 19, to the opposite faces of the resin-bearing strip, and drawing these strips through a long hollow form 21, 22, having a moulding passage of non-planar shape in crosssection while maintaining the form at a sufficiently high temperature to set the resin. The bar is pulled through the form by rubberfaced shaped rollers 25, 26 and the strips 17, 19, are then stripped off by any suitable means. The bar passes on to the table 29 where it is cut into lengths. Angle- or channel-section bars may be produced. The fabric may be cotton; canvas, or woven glass and the resin is preferably one which sets by direct polymerization without producing by-products. The mould parts 21, 22 are heated by electric coils 23 and are spaced somewhat far apart at the entrance end, or means may be provided for moving them apart, to facilitate introduction of the fabric strip.
Patent GB-429397-A (GB)
Title: Improvements in and relating to sifting or sieving devices
IPC: B07B1/42
Filed: 1934-03-22
Abstract: 429,397. Utilizing inertia. BOULTON, Ltd., W., Navigation Road, and BEARDMORE, F., 24, Elm Street, both in Burslem, Stoke-on- Trent. March 22, 1934, No. 8951. [Class 80 (iv)] [See also Group II] A device for vibrating sieves comprises a bar 16 supported at one end on a step 15 of a platform 14 and supporting a rotary shaft 24 with an unbalanced flywheel preferably of aluminium with lead insets. The bar 16 is also supported on a rubber &c. pad 30 which is adjustable within limits lengthwise of the bar. In the construction described, the shaft 24 is the shaft of an electric motor 18. The mechanism is enclosed in a cover with an aperture for the free end of the bar, and the platform is mounted on a pedestal for adjustment as to its height and angular position.