baber/WOPTO huggingface dataset:
Patent GB-417166-A (GB)
Title: Improvements in and relating to the firing of ceramic goods
IPC: C04B33/32
Filed: 1933-12-09
Abstract: 417,166. Porcelain ware. POLLAK, J. E., 20, Holborn, London.-(Porzellanfabrik Kahla; Kahla, Thuringia, Germany.) Dec. 9, 1933, No. 34701. [Class 87 (i).] Porcelain and other sintered ceramic materials to be vitrified above the decomposition point of iron oxide, are fired in an electric furnace into which carbon monoxide is introduced at temperatures above 950‹ C. as the only reducing gas to prevent the deposition of carbon on the goods. The carbon monoxide may be mixed with carbon dioxide, and if desired diluted with nitrogen. Perfumes or pungent materials may be added to the monoxide for safety. Examples are 97 per cent nitrogen, 2 per cent carbon monoxide, and 1 per cent carbon dioxide ; and 85 per cent nitrogen, 10 per cent carbon monoxide, and 5 per cent carbon dioxide. Nitrogen may be used with the monoxide alone. For firing at very high temperatures carbon dioxide alone or mixed with nitrogen may be used in the first place as a protective gas for the electric heating elements, the monoxide being employed in the highest ranges. The monoxide is introduced at the end of the sharp firing zone and passes in the opposite direction to the goods up to the commencement of the zone, thence is directed back to the end of the zone.
Patent GB-1058158-A (GB)
Title: Improvements in or relating to electron microscopes
IPC: H01J37/20
Filed: 1964-08-25
Abstract: 1,058,158. Electron microscopes. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Aug. 25, 1964 [Aug. 28, 1963], No. 34703/64. Heading H1D. A specimen holder 50 for an electron microscope is rotatable about an axis at right angles to the plane of the specimen by means of an operating member 42 provided on the support outside the housing of the microscope. On rotating the knob 42 and threaded spindle 34, the sliding piece 31 is displaced, thus causing the cord 44, 53, 54 to rotate the specimen holder 50. The specimen support is also capable of rotation about its own axis, and the holder is held in a tube attached to a supporting ring located inside the body of the microscope, the ring being capable of movement in a plane transverse to the axis of the microscope.
Patent GB-1150147-A (GB)
Title: Improvements in Combinations of Gas Turbine Engines and Electric Generators
IPC: H02K7/18
Filed: 1966-08-03
Abstract: 1,150,147. Gas turbine plant; combustion chambers; silencing gaseous flow; centrifugal compressors. CATERPILLAR TRACTOR CO. Aug.3, 1966 [Sept.13, 1965], No.34777/66. Headings F1B, F1C, F1G and F1L. An electric generator 34, Fig. 1, and a gas turbine engine 33 which drives it through reduction gearing 53 are mounted on a base 32 and housed in an enclosure 31. A fan 56 driven with the generator 34 draws in cooling air through the generator to cool the generator and discharges it to a duct 57 formed in the base 32, where it cools an oil sump 59. Vanes 58 turn the cooling air upwardly to pass through a heat exchanger 61 in which it cools the oil before the oil enters the sump 59. The cooling air then passes around the engine 33 to cool it and remove any fumes that have leaked from the engine, and is exhausted from the top of the enclosure 31 through louvres. The cooling air may be exhausted along with the engine exhaust by introducing it into the engine exhaust through an ejector (62, Fig. 5, not shown). This reduces the engine exhaust temperature. The noise of the combined exhaust is reduced by passing it through a 90 degree exhaust elbow (63) preferably provided with second insulation lining. The air for the engine compressor 37 enters the enclosure 31 through a circular opening 67, Fig.2, in the top wall and is immediately divided into two flow-paths and turned through 90 degrees by an inner ceiling 68. Each flow-path is again turned through 90 degrees into a downward direction by the inner surface of an access panel 69. It is then turned through a further 90 degrees and passes as two separate streams through two filters 71 (one only visible in Fig.2), each stream turning again through 90 degrees to pass through a channel 73 and then turning through a further 90 degrees to enter a chamber 76. Preferably, the surfaces of the ceiling 68 and access panels 69 are coated with sound-deadening material. After a final 90 degree turn the air passes downwardly into the compressor inlet housing 36, Figs. 1, 7 and 8, where it is turned into the radial direction by two side walls 82 preferably of involute form. Finally, the air-flow is turned into the axial direction and accelerated by curved walls 83, 84. The combustion chamber 38, Figs. 1 and 14, comprises a liner 42 made up of a dome-shaped upper portion 101 connected to a cylindrical lower portion by a corrugated strip 103 which allows cooling air from the air jacket to flow into the liner and along the inner surfaces of the cylindrical portion. Tubes 104 direct air radially inwardly to aid combustion and help eliminate hot spots. Cooling air entering through holes 108, 109 is directed along the inner surface of the liner by skirts 106, 107. The skirt 107 is connected to the liner 42 by pins 112 which permit relative thermal expansion. Fins 113 may be provided to suppress air whirl about the liner 42.
Patent GB-826645-A (GB)
Title: Pneumatically operated fastener driving machine
Inventor: GOLDRING JOHN ELMER
IPC: B25C1/04
Filed: 1956-11-14
Abstract: 826,645. Percussive tools. MODERNAIR CORPORATION. Nov. 14,1956 No. 34850/56. Addition to 826,644. Class 124. A pneumatic fastner driving unit as claimed in claims 1 or 2 of the parent Specification has the driving piston returned by air pressure, the return pressure gas being released to atmosphere during the driving stroke. As shown the driving piston 228 is moved downwardly during the driving stroke when the control piston 239 is moved upwardly by release of pressure on its upper surface, the air below the piston 228 exhausting to atmosphere through a port 267. The piston is returned after the driving stroke by a small diameter piston 268 secured to a piston rod 269 mounted on the top of the piston 228. A cylinder 273 for the piston 268 extends downwardly to form a stop for the piston 228, and pressure gas from a container enters the cylinder 273 through ports 278 below the piston 268. Actuating gas trapped above the piston 228 escapes to atmosphere through passages 284, 285, 287, 288 and the space above the piston 268 has a vent 292 to atmosphere.
Patent GB-1189759-A (GB)
Title: A Rolling Mill Drive Unit.
IPC: B21B35/12
Filed: 1968-07-22
Abstract: 1,189,759. Rolling. INDUSTRIALE PIETRO MARIA CERETTI S.p.A. 22 July, 1968 [22 Sept., 1967], No. 34857/68. Heading B3M. The rolls C 1 , C 2  of a two-high rolling mill are driven from a single motor by reduction units positioned on opposite sides of the strand, different reduction ratios being provided by the units. A motor-driven pinion P 1  drives the roll C 1  through reduction gears D 1 , Q 1 , and R 1  and a coupling M 1 . It also drives the roll C 2  through a pinion P, a shaft A, gears P 2 , D 2 , Q 2  and R 2  and a coupling M 2 . By moving the couplings from the positions shown to output shafts associated with the gears Q 1  and Q 2 , the rolls can be driven at a higher speed. The axes of the pinion P, P 1 , and P 2  are fixed, but the gears D 1  and D 2 , together with the rolls, are adjustable by screws about these axes to vary the roll gap.
Patent GB-1182610-A (GB)
Title: Improved Jet and Rocket Fuel
IPC: C10L1/04
Filed: 1967-07-28
Abstract: 1,182,610. Exo-tetrahydrodicyclopentadiene compounds and their use as fuels. ESSO RESEARCH & ENG. CO. 28 July, 1967 [15 Aug., 1966], No. 34858/67. Headings C5E and C5G. Fuels for jet or rocket engines comprise exotetrahydrodicyclopentadiene, its mono- or dimethyl derivative or any mixture thereof. They may be stabilized by phenolic or amine antioxidants. Exo-tetrahydrodicyclopentadiene may be obtained by any of the following methods, similar methods also applying for the mono- and dimethyl derivatives: (1) treatment of endo-tetrahydrodicyclopentadiene with a mineral or Lewis acid; (2) treatment of endo-dicyclopentadiene with a protonating agent, e.g. sulphuric acid, to form exo - hydroxy - exo - dihydrodicyclopentadiene, hydrogenating this to the exo-hydroxy-tetrahydro compound, and then dehydrating this and hydrogenating the dehydrated compounds; (3) hydrogenating endo-dicyclopentadiene to the dihydro-derivative, thermally treating this to convert it to the exo-isomer, and then completing the hydrogenation; (4) completely hydrogenating endo-dicyclopentadiene and thermally treating the product to convert it to the exo-isomer.
Patent GB-507633-A (GB)
Title: Improvements in rails and wheels running thereon
IPC: E01B25/10
Filed: 1937-12-16
Abstract: 507,633. Railway &c. rails and wheels. ZIMMERMANN, R., and VONDERACH, J. Dec. 16, 1937. No. 34873. [Class 104 (ii)] [Also in Group XXXIV] The wheels 1 of vehicles &c. run on rails 5 having a rounded profile at the points of contact with the wheel, and the wheel surfaces 2, 3 at the points of contact curve away from the rail, the arrangement being such that in every position of the wheel the two points of contact lie on a line parallel to the axis of the wheel. The curves on the wheel may be parabolic.
Patent GB-512832-A (GB)
Title: Improvements in or relating to capping heads for bottle capping machines
IPC: B21D51/48
Filed: 1937-12-17
Abstract: 512,832. Capping bottles. MAERK, A. J. and KORK-N-SEAL, Ltd. Dec. 17, 1937, No. 34962. [Class 125 (ii)] In a machine for capping bottles by forcing a peripheral portion of the skirt of a metal. cap under an annular lip on the bottle neck, the capping head comprises an outer casing 1 having a cylindrical bore in which a plunger 5 is axially movable, an internal or sectional deformable ring 21 coaxially mounted in theplunger and adapted to engage the skirt of the metal cap, a number of equiangularly disposed slide members 12 mounted in the plunger and surrounding and engaging the ring and a number of radially-disposed toggle members 17 each pivotally engaging the inner surface of the casing 1 at its outer end 18 and one of the members 12 at its'inner end so as to cause the members 12 to move inwards when the plunger 5 moves in one direction and to allow them to move outwards when the plunger moves in the opposite direction. The ring 21 may be notched between the portions engaged by the slide members and may be cut into sections, one section being attached to each of the slide members. The members 12 may be guided in radial recesses in the plunger with each member i7 extending into a recess and laterally guided thereby and the toggle members may have rounded outer and inner ends which bear against corresponding rounded portions of the casing I and slide members 12 respectively. Each slide member may be pressed outwards by a spring 15 engaging a skirt portion 16 on the member and housed in a recess in a ring 13 which is secured to the underside of the plunger and holds the members 12 in position; the ring 21 is held in position by an annular element 22 screwed into the ring 13. The ends of the toggle members engaging the casing are curved and are held in the casing by a ring 19 secured in the skirt 2 of the casing by a resilient ring 20 sprung into a groove therein but the ends of the toggle members may be straight in which case they are seated against flat faces of an annular ring secured in the skirt portion 2 of the casing 1 by a ring screwed into the casing, a flange on the screwed ring retaining the toggle members in position.
Patent GB-760900-A (GB)
Title: Improvements in or relating to electrical potentiometers, variable resistances and the like
Inventor: KLOSE ALFRED J
IPC: H01C10/32
Filed: 1954-12-02
Abstract: 760,900. Variable-contact resistors. GIAN. NINI & CO., Inc., G. M. Dec, 2, 1954, No. 34965/54. Class 37. An electric potentiometer comprises a resistance element wound helically about a cylindrical support with one loop of the helical wind. ing displaced from the cylindrical support and passing over a contact member comprising an electrically conducting arm extending in the axial direction of the support, the cylindrical support and the contact member being relatively rotatable about the axis of the support so that the portion of the resistance wire in contact with the contact member may be varied by means of said relative rotation. As shown, the potentiometer comprises a length of resistance wire 10 wound about a cylindrical support 12, a loop 25 of said wire passing over a contact arm 24 which is supported by means of a frame plate 30. The ends of the wire are connected to slip rings 40, 41 whereby connection may be made to terminals 50, 51. The contact arm is connected to a terminal 53. The support 12 may be rotated by means of a knob 39 so the portion 26 of the wire in contact with the contact arm 24 may be varied from one end of the resistance element to the other. Fig. 2 illustrates the form of the contact member 24 which comprises a length of resilient metal which has an arcuate section of substantial uniform curvature except for its very ends which are bent over slightly as indicated at 63. The width d of the contact arm is so chosen in relation to its range in the curvature arm that the loop of wire supported by the arm is more sharply bent at its edges 63 than it is over the intermediate portion of the arm. This ensures that good contact is made between the arm and the wire at the edges of the arm, the central portion of the wire supported by the arm being effectively shortcircuited so that the contact arm may be regarded electrically as making contact with a single point of the winding. Although, as shown, the winding comprises a plurality of turns about the support 12, it may in certain applications form only one part of a complete turn. The support for the resistance winding may be fixed, the contact arm rotating about the winding, or alternatively both support and contact arms may be made to rotate. The bearings for the shaft 34 of the support 12 may be replaced by a screw thread between the shaft 34 and frame plate 30 so that the contact arm progresses as the support member 12 is rotated.
Patent GB-494634-A (GB)
Title: Improvements in or relating to roller mills having feed controlled grinding rollers
IPC: B02C4/32
Filed: 1937-12-17
Abstract: 494,634. Roller mills. ELLIS, L. S. E. (Buhler Bros.) Dec. 17, 1937, No. 35011. [Class 59] In a roller mill the feed control linkage is provided with a lever 8 which is reciprocated by the mechanical driving gearing and carries a lever 4 raised or lowered by the feed plate A to separate or engage the rollers by striking a pawl 13 or lug 11 on the control lever 14 respectively. As shown the feed plate A connected to an arm 2 lifts a rod 3 upon cessation of feed to the mill. The rod 3 is provided with a guide for the end of the lever 4 pivoted at 10 to the lever 8 oscillated by a crank 7 from the mill driving mechanism. The lever 4 is oscillated in the direction of its length and is provided with a forked end 5, 6 which is adapted to be raised or lowered in dependence on the movement of the feed plate A. The lever 14 for separating the feed rollers, is held in its working position by a pawl 12 pivoted to the lever and provided with an extension 13. On cessation of feed the plate A rises and lifts rod 3 and end of lever 4 so that fork 6 strikes the end 13 of pawl 12 and releases lever 14 to throw the rollers apart. On resumption of feed the lever 4 is lowered by the rod 3 to raise the fork 5 which thereby strikes the lug 11 on the lever 14 to turn latter into a raised or working position of the rollers.
Patent GB-594117-A (GB)
Title: Improvements in or relating to cinematograph cameras
IPC: F41G3/26
Filed: 1944-10-09
Abstract: 594,117. Kinematograph cameras. DANEK, J., and TUDDENHAM, J. Oct. 9, 1944, No. 35039/46. Divided out of 594,084. Drawings to Specification. [Class 97 (i)] Actuation of the control element to the " off " position does not immediately stop the camera but first moves a marking member into the path of the light passing from the objective of the film and then after at least one additional picture (including an image of the marking member) has been taken through the normal objective and shutter of the camera, stops the camera. The cameras described are identical with those of the Specification 594,084. Specification 456,225 also is referred to.
Patent GB-1270809-A (GB)
Title: Improvements in or relating to footwear
Inventor: BRIDGE FRANK
IPC: A43B17/10
Filed: 1968-07-23
Abstract: 1,270,809. Fibrous laminate. ASSOCIATED PAPER MILLS Ltd. 22 July, 1969 [23 July, 1968], No. 35075/68. Heading B5N. [Also in Divisions A3 and D1] A laminate for use as an insock consists of a web or mat of natural or synthetic fibres, e.g. wood fibres, held together by a binder, e.g. an acrylic or acrylonitrile butadiene latex, and loaded with active carbon and a backing layer, e.g. of cotton muslin scrim, flannelette or swansdown, or of nylon or paper. The web may include 20 to 65% by weight of the active carbon and 10 to 30% by weight of the binder. A layer of polyurethane foam may also be attached to the insock. The web may be air-laid on to the backing layer.
Patent GB-994789-A (GB)
Title: Process and apparatus for the continuous polymerisation of ethylenically unsaturatedpolymerisable compounds
Inventor: OTTO HANS-WERNER
IPC: B01J19/18
Filed: 1961-09-29
Abstract: Ethylenically unsaturated polymerizable compounds are continuously polymerized in a cylindrical reaction vessel fitted with perforated plates mounted transversely on a reciprocating shaft (see Division B1).  The inlet of the vessel may be up to 120 DEG  C. lower than the outlet and block, solution and emulsion polymerization methods are used.  Starting materials specified are styrene, a -methylstyrene and o-chlorostyrene; vinyl halides, vinylidene chloride and vinylidine fluoride; acrylic compounds, for example acrylic and methacrylic acids and their esters as well as acrylonitrile, methacrylonitrile, acrylamide and methacrylamide; vinyl esters as well as diolefines, for example butadiene, 2-chloro-butadiene and isoprene.  The Examples describe the polymerization of (1) styrene emulsified in water with a sodium salt of a paraffin sulphonic acid in the presence of potassium persulphate; (2) butyl acrylate and acrylic acid emulsified in water with an aryl sulphonate and in the presence of potassium persulphate; (3) styrene in toluene in presence of azo-di-isobutyro-nitrile; and (4) butyl acrylate and acrylic acid emulsified in water with a sulphonated fatty alcohol-ethylene oxide condensate.
Patent GB-291316-A (GB)
Title: Improvements in and relating to electric heating elements
IPC: H05B3/06
Filed: 1927-12-28
Abstract: 291,316. Schleper, J. F. Dec. 28, 1927. Plug couplings.-Each contact pin 9 of a heating element is a hollow cylindrical member stamped from a blank of thin sheet metal and passed through a cylindrical member 8 held in position in end caps 7 by inwardly bent lips 10 and fitted with metal plates 17 carrying screws 16 for gripping the ends of the resistance.
Patent GB-406247-A (GB)
Title: Improvements in or relating to turning lathes
IPC: B23Q35/10
Filed: 1933-07-08
Abstract: 406,247. Lathes. COMPAGNIE DES FORGES DE CHATILLON, COMMENTRY, ET NEUVES-MAISONS, 19, Rue de la Rochefoucauld, Paris. July 8, 1933, No. 35101. Convention date, May 16. Divided on 406,189 and addition to 404,454. [Class 83 (iii).] The machine for rough turning ingots 1 described in the parent Specification is modified by the provision of means for moving the tool 4 relatively to the guide roller 8 in such a way as to maintain constant depth of cut in spite of variations in the orientation of the work surface. For this purpose, a shaft 24 driven through a telescopic shaft 28 and gears 26, 27 from the headstock, carries a slidable cam 22 which operates an auxiliary slide 20 carrying the guide roller. The shaft 24 has bearings 25 in the cross carriage 5 and moves transversely with the carriage. For turning a four-sided ingot, the cam 22 is driven at twice the speed of the work. Specification 406,189 is referred to.
Patent GB-352701-A (GB)
Abstract: 352,701. Stove dampers. HESKETH, F., Central Foundry, Nile Street, Rochdale. June 23, 1930, No. 19031. [Class 126.] In a cooking- stove flue damper of the kind comprising a plate a moving in its own plane, pivoted at a point c remote from the front of the stove, and operated by a rod g pivotally attached near to the pivot c, the rod g is pivoted at a<2> to the damper plate proper, and not to an extension of it In the form shown, the outer end of the damper is stepped, and rides on a flange e on the inside of the stove front. A beading a<*> on the underface of the damper rides on the top of the oven.
Patent GB-738963-A (GB)
Title: Improvements in or relating to tubulous convection heat exchangers
IPC: F28D7/08
Filed: 1953-12-18
Abstract: <PICT:0738963/III/1> <PICT:0738963/III/2> A tubular heat-exchanger which may be employed as a steam superheater or as a vapour heater, for example, in an oil p  refinery, consists of a large number of horizontally disposed single or multiple bend U-tubes the ends of which are welded into small-diameter double headers mounted in a chamber 139 disposed vertically for example on the front wall of a generating unit.  As shown in Fig. 4, the header arrangement provides for four separate vapour passes, the vapour entering the upper inlet chambers 28, 36 of two headers 24, 26 which are secured in contact with one another along adjacent flattened sides, Fig. 6, and then flowing through the first pass consisting of U-tubes such as 90, 92 and 102, 104 to the upper outlet chambers of first intermediate headers 42, 40.  The vapour flows downwardly in headers 42, 40 and through the second pass tubes to lower header spaces 30, 38 of headers 24, 26, these spaces being separated from chambers 28, 36 by diaphragms 32, 34, and then flows from the lower half of headers 30, 38 through the third pass tubes to second intermediate headers 44, 46 from which it passes through the tubes of the fourth pass to short final headers 60, 62.  To prevent over-heating of individual tubes and to mix the vapour as it passes through the heater, the tubes in each pass are arranged so that a number conduct vapour from a single header chamber to different outlet header chambers.  Thus tubes 90, 92 connect headers 24 and 42 whilst the immediately adjacent tubes 94, 96 in header 24 connect to header 40.  Alternating with these connections in headers 40, 42 are those of the tubes from header 26.
Patent GB-1100359-A (GB)
Title: Precast taphole assembly
IPC: F27D3/15
Filed: 1966-08-08
Abstract: 1,100,359. Furnace tapholes. GENERAL REFRACTORIES CO. 8 Aug., 1966 [9 Aug., 1965], No. 35331/66. Heading F4B. A replaceable taphole assembly comprises a precast refractory section 28 carrying a steel pipe 40, the space between the pipe and the inner lining 18 of a furnace being packed with an air setting refractory material 42. To replace the assembly when the material 42 and the lining 18 have been eroded (Fig. 3, not shown) screws 38 on a neck 20 of the furnace shell 12 are released and the precast section is replaced by a new section and pipe 40 and gunned refractory material replaces the original material 42. Parting material 34 ensures a clean release of the section 28.
Patent GB-860638-A (GB)
Title: Improvements in the preparation of growth media for the stimulation of plant growth
IPC: C05G3/80
Filed: 1957-11-13
Abstract: Soil is improved as to its physical structure by incorporating therein water soluable, alkyl phenol- or fatty alcohol-condensates with polyethylene oxide, which produce aeration around the root systems of plant growth.  They may be applied to the soil in aqueous solution which may also contain protective colloids such as casein alignate, or as a powder alone or in admixture with a finely-divided carrier such as chalk, lime or silica.