baber/WOPTO huggingface dataset:
Patent GB-1235443-A (GB)
Title: Process for making dicyclohexylamine
Inventor: MUNSTER FREDERIK HENDRIK VAN
Filed: 1970-03-23
Abstract: 1,235,443. Dicyclohexylamine. ABBOTT LABORATORIES. 23 March, 1970, No. 13998/70. Heading C2C. Dicyclohexylamine is made by hydrogenating equimolecular proportions of nitrobenzene and phenol with gaseous hydrogen at a temperature up to 150‹ C. and superatmospheric pressure in the presence of at least 0.050% of metallic palladium based on the combined amounts of nitro benzene and phenol. The palladium may be supported on a carrier, and a solvent may be present. An example is given.
Patent GB-119291-A (GB)
Title: Improvements in or relating to Submarines and the like.
Inventor: SATCHELL JOHN HERBERT
IPC: B63G8/00
Filed: 1917-09-28
Abstract: 119,291. Satchell, J. H., and Sommers, W. S. Sept. 28, 1917. Exhaust gases, discharging.-A submarine propelled by two sets of universally pivoted tractor screws driven by compressed fluid acting on archimedean screws, has two inclined keels 28 forming a trough, into which the exhaust air is discharged at its forward end, the air re-entering the vessel, after washing, through a normally open man-hole 25 adapted to be closed by a hinged cover 26.
Patent GB-124374-A (GB)
Title: Improvements in and relating to Carburetters for Internal Combustion Engines.
Inventor: RENNER HAROLD GEORGE
IPC: F02M9/10
Filed: 1918-08-29
Abstract: 124,374. Renner, H. G. Aug. 29, 1918. Spray carburcttors.-The air passage around the nozzle 3 is varied by a pair of suction-actuated spring-loaded flaps 5 hinged at 6, arms 17 on which control a fuel valve 3<1> of a nozzle 3 through rods 16 and arms 15 on a strip 9 hinged at 9<1> to an adjustable block 18. The fuel valve is carried at the extremity of a strip 8 hinged at 8<1> and loaded by a spring 8<11> which tends always to lift the strip and open the valve. The extent to which the valve is allowed to open is determined by the position of the strip 9 which is actuated by the flaps, and serves as a stop for a distance-piece 10 carried by the strip 8 and adjustable along the strip by a Bowden wire 13. A spring 9<11> tends to force the strip 9 downwardly. The flaps which, in the closed position, abut against the nozzle and valve, have curved ends which may be provided with grooves 5<1> to permit air to pass from the inlet 2 to provide the equivalent of a pilot nozzle, the fuel being then controlled by adjusting the block 18. The fuel valve may be independently adjusted by a key 24, a rib 26 on which engages projections 27 on the valve. In a modification, friction between the flaps and the walls 7 is obviated by recessing the walls so as to be out of contact with the flaps, and fixing to the edges of the flaps collapsible or bellows sections which prevent escape of air past the said edges.
Patent GB-1192002-A (GB)
Title: Aromatic Amino Dicarboxylic Acid Anhydrides
Inventor: SEDDON JOHN DAVID
IPC: C08G73/14
Filed: 1966-03-30
Abstract: 1,192,002. Aromatic dicarboxylic acid anhydrides. IMPERIAL CHEMICAL INDUSTRIES Ltd. 20 March, 1967 [30 March, 1966], No. 14079/66. Heading C2C. Novel compounds of formula where Ar<SP>1</SP> is a divalent aromatic residue; X is selected from -O-, -S-, -SO-, -SO 2 -, -CO, -CO.O-, -O.CO-, -CONH-, -NHCO-, -SO 2 ,.O-, -O-SO 2 -, -SO 2 .NH- and -NH.SO 2 - and Ar is a trivalent aromatic residue, the amino and anhydride groups being linked directly to aromatic rings, are prepared by a process comprising (a) reacting together two compounds of the formulµ where A is an aromatically bound group which may be an amino group, a protected amino group, a group capable of being converted into an amino group, or a group capable of being replaced by an amino group; B and G are aromatically bound groups which react together to form X<SP>1</SP> where X<SP>1</SP> is either X or a divalent group capable of being converted to X; and D and E are adjacent aromatically bound groups which may be oxidized or hydrolysed to give carboxylic acid groups; to give a compound of the structure (b) converting the groups D and E into carboxylic acid groups; (c) converting these groups to an anhydride group; (d) converting A, where A is not an amino group, to an amino group, or replacing A by an amino group and (e), if necessary, converting X into X<SP>1</SP>; the steps being operated in any order providing step (b) always precedes step (c) and step (a) always precedes step (e). An example describes the preparation of 4-(4<SP>1</SP>-aminophenoxy)-1,2-dicarboxybenzene anhydride. Intermediates isolated in this reaction are 4 - (4<SP>1 </SP>- nitrophenoxy) - 1,2 - dimethyl benzene, prepared from p-nitrochlorobenzene and 3,4- dimethyl phenol; 4 - (4<SP>1 </SP>- nitrophenoxy) - 1,2 - dicarboxy benzene, prepared by oxidation of the dimethyl compound; and 4-(4<SP>1</SP>-nitrophenoxy)- 1,2-dicarboxy benzene anhydride, prepared from the corresponding acid.
Patent GB-1176553-A (GB)
Title: Air Detector for Webs
IPC: G01N19/08
Filed: 1967-03-28
Abstract: 1,176,553. Feeding webs. BALDWINGEGENHEIMER CORP. 28 March, 1967 [29 March, 1966], No. 14137/67. Heading B8R. [Also in Division G1] A web-detector which senses ruptures and voids in a moving web, comprises a bracket 12 having a nozzle 22 for directing a jet of air at the surface of the moving web, and a control member 25 which comprises a lever 26 pivoted at 28 and having a concave reaction member 27. A void in the web results in the jet of air impinging on the reaction member 27 to pivot lever 26 which operates a microswitch 23. The switch 23 is in the control circuit of a machine to which the web is fed, e.g. a printing machine, and when a fault in the web is sensed by the detector, the machine is shut down. In series with the switch 23 is the solenoid 32 of a control valve 29, which valve is shut-off when a web fault is detected, thereby stopping the flow of air. As an alternative (Fig. 7) which is suitable for use with a machine which does not have a compressed air supply, a blower (37) is provided, which takes its drive from one of the rollers of the machine via a wheel (38).
Patent GB-1056515-A (GB)
Title: Method of preparing liquid infant food composition
IPC: A23C9/144
Filed: 1964-04-07
Abstract: A concentrated liquid infant food composition comprises electrodialysed whey (e.g. cheese), heat stabilized non-fat milk (e.g. skim milk), lactose, a blend of animal and/or vegetable fats, lactose, minerals and vitamins.  A process of making the composition comprises (1) concentrating the whey in one or more steps at a temperature below 165 DEG F. and then electrodialysing it, (2) stabilizing the milk by heating at 190 DEG -220 DEG F. for not more than 10 mins., (3) adding the stabilized milk to the electrodialysed whey and then adding the other components to the resultant mixture, (4) heating, homogenizing and cooling the mixture, (5) sealing the mixture in cans, (6) heating the sealed mixture at 190 DEG -220 DEG F. for not more than 15 minutes to stabilize the mixture and (7) sterilizing at, e.g., 240 DEG  to 300 DEG F.
Patent GB-710317-A (GB)
Title: Improvements in or relating to photographic contact printing apparatus
Inventor: SMITH VICTOR JAMES
IPC: G03B27/02
Filed: 1951-06-05
Abstract: 710,317. Photographic contact-printing apparatus. KODAK, Ltd. June 5, 1952 [June 5, 1951], No. 14230/52. Divided out of 710,274. Class 98(2) A photographic contact-printing apparatus comprises a platen movable to and from a position in which it presses a sheet of light-sensitive paper into contact with an image-bearing area of film, from which a print is to be made, positioned over an exposure aperture, and a holder which is shaped to receive a film clip attached to the leading end of a strip of image-bearing film positioned across the exposure aperture and is mounted on the apparatus in alignment with the film strip and below the level of the exposure frame, whereby that portion of the film strip located between the film clip and the exposure aperture forms a loop which tends to fall away from the exposure aperture. As shown, a base-plate 2 is fixed to the sloping top of a lamp-house 1. A film 3 is placed over an exposure aperture in the base-plate 1, the size of the aperture being variable by means of masking strips 9. A negative and a paper clamp 8, and a platen 4 for pressing the photographic paper and the negative together against the exposure aperture during exposure, are operated by a single operating member as described in Specification 710,274. Arms 7, 10 clamp the film on each side of the exposure aperture. A film clip holder has a base-plate 14 slotted at 15 to engage screws 16 in the side of the lamp-house 1. Compression springs (not shown) surround the shanks of screws 16 between the screw heads and the plate 14, so that the clip holder can be adjusted longitudinally. Arms 18 on the plate 14 have projections 20 forming shoulders to accommodate a film clip 12 fixed to the end of film 3 for identification. The arrangement is such that the loop formed in film 3 between the exposure aperture and the clip is always clear of the path of the platen 4 and tends to fall away from the exposure aperture.
Patent GB-1468127-A (GB)
Title: Sweetness enhancer for reduced sugar containing products
IPC: A23L27/30
Filed: 1975-04-08
Abstract: 1468127 Sweetening composition FIRMENICH SA 8 April 1975 [9 April 1974] 14299/75 Heading A2B Sweetening composition comprising a natural sugar or non-nutritive sweetening agent together with 2, 5-dimethyl-3-hydroxy-4-oxo-4, 5- dihydrofuran to enhance the sweetness. The composition may be used in foodstuffs and beverages. The sugar may be fructose, glucose, saccharose, xylose. maltose, rhanmose, galactose or lactose, and the non-nutritive sweetener may be mannitol, sorbitol, xylitol or arabitol. The furan derivative may be used in an amount from 5 to 100 p.p.m. by weight.
Patent GB-1131706-A (GB)
Title: Improvements in or relating to the preparation of lower grade natural rubbers and skim rubbers
Inventor: SMITH JOHN FREDERICK
IPC: C08C4/00
Filed: 1966-03-31
Abstract: 1,131,706. Treating low-grade rubbers. BOARD OF THE RUBBER RESEARCH INSTITUTE OF MALAYA. 1 March, 1967 [31 March, 1966], No. 14393/66. Heading C3E. Lower-grade rubbers such as cup lump, tree lace &c. are treated in the form of crumbs or crepe by soaking in an aqueous phosphoric acid solution.
Patent GB-371633-A (GB)
Title: Improvements relating to machine parts and apparatus intended for high temperature operation
IPC: C22C38/22
Filed: 1931-05-15
Abstract: Machine parts or articles for use in working metals at high temperatures and subjected in use to considerable and repeated temperature variations such as centrifugal casting moulds, matrices, swaging sockets, rollers, and pressing plungers and dies are made from a steel alloy containing up to 0,3 per cent of carbon, 2,1-4,5 per cent of chromium, and 0,15-0,8 per cent of molybdenum, with or without up to 2 per cent of nickel. Part or all of the molybdenum may be replaced by twice the amount of tungsten.  Specifications 312,349, 337,404, [both in Class 82 (i), Metals, Extracting &c.], and 354,965 are referred to.
Patent GB-642818-A (GB)
Title: Improvements in and relating to looms having stationary weft supplies
IPC: D03D35/00
Filed: 1948-05-28
Abstract: 642.818. Looms having stationary weft supplies. BEWLEY, E. T. M. May 28, 1948, No. 14543. [Classes 142(ii) and 142(iii)] Weft inserting needles for small-ware looms are mounted on a member which slides to and fro in the loom batten and, as the batten swings forward, delivers loops of weft to latch needles which knit the loops to form a selvedge. Needles 53 are adjustably mounted in members 50 carried on a bar 33 which reciprocates on rollers in the batten 30. The reeds are secured to the slay which is mounted on swords 19 and is moved by a rod 17, connected by a pivot and connecting rod to a crank on a rotating shaft 11. The batten is mounted on swords 28 which are moved at twice the speed of the slay, by a rod 27 and by gears 22, 23, from the shaft 11. A lever 34, actuated by a lever 38 and a rod 39 from the slay sword 19, moves the bar 33 by means of a ball race 35 on the bar. Latch needles 60 are adjustably mounted, by means of screws 65, in a bar 61. A cam profile 67 on the underside of the bar 61 co-operates with a cam profile 68 fixed to a plate 69 on the breast beam. A square peg 71 on the cam profile 67 slides in a slot 72, in a bar 73 and moves the needle 60 rearwards to receive the weft loops. The bar 73 slides in brackets 74 on the breast beam and is operated by a lever 75, a rod 77, a lever 78 and a rod 80 from the slay sword 19. The movement given to the lever 34 and bar 33 can be varied by raising or lowering a bar 40 carrying the pivot 38a of the lever 38. A brush 85 is provided to operate the latch of the needle 60.
Patent GB-1581358-A (GB)
Title: Continuous casting plant for a wide continuously cast strand
IPC: F16C13/00
Filed: 1977-04-06
Abstract: The guide track for a cast strand (1) has rollers (2) which are equipped with annular recesses (3) to form cylindrical journals (4). The bearings are designed as split rolling bearings (5), preferably self-aligning roller bearings, their parting plane running parallel to the strand guide track. The use of rolling bearings makes it possible for the width of the journal to be considerably smaller than is the case when the usual sliding-contact bearings are used and, as a result, the unsupported regions of the cast strand (1) are reduced. <IMAGE>
Patent GB-164017-A (GB)
IPC: H01F29/02
Filed: 1921-05-26
Abstract: 164,017. Akt.-Ges. Brown, Boveri, et Cie. June 2, 1920, [Convention date]. Regulating transformers; polyphase transformers.-In transformers which are regulated by connecting and disconnecting turns of the windings the magnetic dispersion and consequent inductive voltage drop is minimized by connecting that portion of one winding which is located opposite to the regulating turns of the other in parallel with the remainder of the first-mentioned winding, this portion being located opposite the non-disconnectible portion of the other winding. Fig. 2 shows the arrangement, the winding P having a non-variable part c and a variable part d. The other winding is in two parts a, b, the former being located opposite the winding c and the latter opposite the winding d. The parts a, b are connected in parallel. The Specification describes the application to regulating transformers supplying single and polyphase vapour rectifiers. The disposition of cylindrical windings on the transformer core F is shown in Fig. 5, the winding d having the regulating tappings being placed outside the winding b, while the remainder of the primary winding c is placed inside the portion a of the secondary in uniformity with current practice.
Patent GB-137082-A (GB)
Title: Improvements in or relating to aircraft
IPC: B64C3/18
Filed: 1918-09-10
Abstract: 137,082. Tolputt, H. Sept. 10, 1918. Planes, construction of.-The wings C of aeroplanes are formed wholly of aluminium alloy and are utilized to silence the exhaust, which is passed through a series of perforated tubes E into the space between the upper and lower surfaces, and escapes through openings C<x> at or near the rear edge of the wing.
Patent GB-612035-A (GB)
Title: An improved tray especially suitable for use in confectionery and like trades
IPC: A23G3/02
Filed: 1946-05-16
Abstract: 612,035. Oven trays. McGOWAN, J. May 16, 1946, No. 14756. [Class 28(i)] [Also in Groups XVII and XXII] A one-piece metal tray, especially for use in the confectionery trade, has a pair of opposite sides 2, 2 with extensions 2a, 2b adapted to embrace metal supporting members 5, 5 welded or riveted adjacent the ends 3, 3. As shown, the supporting members have feet on either side of a handling recess 5a, but in a modified form the feet may comprise four separate blocks fixed to the tray. Recesses 9 co-operate with projections on the feet for the purpose of stacking.
Patent GB-618604-A (GB)
Title: Improvements in or relating to the manufacture of froth and materials made therefrom
IPC: B29B7/74
Filed: 1946-05-16
Abstract: Foamed materials such as cellular synthetic resins are obtained by making an initial unsolidified froth from a liquid and gas, passing the froth through one or more relatively restricted openings and a mass of comparatively unfrothed liquid and then hardening the resultant foam.  The frothable material may be an <PICT:0618604/IV(a)/1> aqueous dispersion of a polymer of butadiene, chloroprene, isoprene and dimethyl butadiene or a copolymer thereof with vinyl chloride, vinyl acetate, vinylidene chloride, acrylic and methacrylic esters including methyl methacrylate, vinyl pyridine, styrene, nuclear mono and dichlorstyrenes; and phenol-formaldehyde, urea-formaldehyde and other aminealdehyde resins, and may contain stabilizing agents, e.g. saponin and soap, or gelling agents, e.g. sodium silicofluoride, ammonium chloride and carbon black.  The frothing gas may be air, nitrogen, p  carbon dioxide or sulphur dioxide.  In an example the dispersion passes through pipe 108 into a housing 1a up through which a gas passes from pipe 13.  Frothing occurs in chamber 4 and the froth passes through a plurality of openings 116 into a layer of relatively unfrothed latex.  At the head of the housing the frothed latex passes between porous fabric belts 52 and 53 connected with electrodes 69 and 70 by means of which the froth is at least partially vulcanised.  The gelled froth then passes to a tank 85 containing hot water or sodium bicarbonate solution.  In a modification the froth ascends a sloping housing which may be fitted with screens to graduate the froth and is mechanically stirred at the top.
Patent GB-1285813-A (GB)
Title: Photoconductive compositions
Inventor: MERRILL STEWART HENRY
IPC: G03G5/05
Filed: 1970-03-26
Abstract: 1285813 Photoconductive composition EASTMAN KODAK CO 26 March 1970 [1 April l969] l4865/70 Heading H1K A photoconductive composition comprises a photoconductor and a halogenated poly-a-olefin binder wherein the binder comprises repeating units derived from an α-olefin having 3 to 8 C atoms and contains 10 to 80 wt. per cent halogen. In the specific embodiments the photoconductor is 4,41-benzylidene-bis-(N,N-diethylin-toluidine) sensitized by a pyrylium salt whilst the binder is chlorinated polypropylene or copoly ethylene-propylene. The composition is coated on a cellulose acetate sheet provided with a layer conducting lactone. Other photoconductors, sensitizers and supports are specified.
Patent GB-706770-A (GB)
Title: Improvements in fluid pressure operated electric switches
Inventor: RUFFLE WILLIAM HARRY
IPC: H01H35/24
Filed: 1950-06-14
Abstract: 706,770. Actuation of switches; switches partly electromagnetic. SPEED DEVELOPMENT CO., Ltd. April 26, 1951 [June 14, 1950], No. 14878/50. Class 38(5) A switch for closely controlling the pressure in an aircraft cabin between predetermined limits, includes electromagnetic means which impose a switch operating differential, thus hunting of a motor controlled by the switch is prevented. The switch comprises a diaphragm 3 which moves a stud 10 having a disc head 9 fitting closely within a compartment 8. The stud 10 controls, through a ball bearing 12, a lever 15 pivoted at 19 and carrying a stud 18 which operates the spring 16 of a pair of contact carrying leaf springs 16, 17. A spring 25 opposes movement of the lever 15 due to the fluid pressure. The end 15a of the lever 15 constitutes an armature for an electromagnet 21 which is energized through a resistor 31 when the contacts 16, 17 engage. Leads a, b, c, from the switch are taken to a 3-pin connecter 22 from which one lead is connected to the supply source through a warning lamp L. A fall in pressure permits contacts 16, 17 to engage, energizing the lamp L and electromagnet 21 whereby restoration of the switch to its original condition requires a definite increase in pressure owing to the force exerted on the lever 15 by the electromagnet. In the modification of Fig. 6, a rise in pressure closes the contacts 16, 17 and a definite pressure drop is necessary to restore the switch. Specification 647,445 is referred to.
Patent GB-1472486-A (GB)
Title: Articulated anti-scour mat for marine structures
IPC: E02B3/12
Filed: 1975-04-11
Abstract: 1472486 Anti-scour devices for offshore structures TEXACO DEVELOPMENT CORP 11 April 1975 [3 May 1974] 14905/75 Heading E1H To prevent scour about the base 11 of a gravity type offshore structure (shown in plan in Figure 2) flexible anti-scour mats 22, 23 are disposed about the lower periphery of the base 11 and each mat comprises a plurality of concrete pads interconnected by cables or chain links. The inner ends 24 of the mats are fastened to an anchor beam connected to the base 11 and the outer ends are connected to lines 39 which when the structure is being positioned initially hold the mats in a furled or retracted position and subsequently are used to spread the mats out over the sea bed adjacent the base. The mats extend about the entire periphery or only a part of the base. The base 11 includes storage tanks.
Patent GB-253557-A (GB)
Title: Improvements in or relating to steam boilers
IPC: F22B21/18
Filed: 1926-06-14
Abstract: 253,557. Erie City Iron Works, (Assignees of Bonus, G. Y.). June 15, 1925, [Convention date]. Water-tube boilers.-In a boiler having front and rear upper drums 1, 3 arranged in the plane of the water level and connected by water tubes 6, and a lower drum 2 connected to the upper drums by banks of tubes 4, 5, baffles direct the furnace gases first through the front bank of tubes 4, then across the entire length of the upper tubes 6, and finally through the rear bank of tubes 5, so as to produce a single ring water circulation. The gases pass down and up between baffles 14, 16, 17 in the front tube banks and then around a baffle 17<a>, which directs the gases through the upper tube bank and over steam tubes 7, 8 connecting the upper drums. The gases then pass down and up between baffles in the rear tube bank. The feedwater is delivered into the rear upper drum. The tubes 6 open into the rear upper drum at or above the normal water level therein. Steam passes from the front to the rear upper drum through tubes 7 discharging downwardly and is taken off from the rear drum through tubes 8 opening into a chamber 9, which may be placed at the top of the front drum.
Patent GB-145809-A (GB)
Title: Improvements in and relating to sighting devices
IPC: G01C1/10
Filed: 1917-10-17
Abstract: 145,809. Newall, H. F. Oct. 17, 1917. Sextants. - Relates to means for obtaining an artificial horizon on a sextant by employing a damped pendulum, and consists in an optical system, controlled by an electro-magnetically damped pendulum, for producing the image of the artificial horizon mark. In the form shown, the pendulum comprises three parts rigidly connected together, (1) a frame F carrying an horizontal slit or wire M at the principal focus of a. lens L also carried by the frame F, (2) a damping-device R having a flat sheet D of non-magnetic metal adapted, when the pendulum oscillates, to move in its own plane between the adjustable poles of an electric-magnet E, and (3) a frame C whereby the pendulum is suspended by silk fibres S attached to an upper suspension frame PQ, which, together with the supporting- frame of the electric-magnet E, is fixed on the inside of a box attached to the sextant so that the axis of the optical system L, M is in line with the axis of collimation of the telescope of the sextant when this is horizontal. The box is provided with two glazed windows adjacent to the mark M and lens L. Undue oscillation of the pendulum is checked by stops W. A modification for measuring angles of depression is described, having the axis of the optical system L, M vertical and crossed at 45 degrees by a reflector, to bend the beam of light passing through the lens L from the mark M into the telescope of the sextant The parts may be made of aluminium or brass