baber/WOPTO huggingface dataset:
Patent GB-1181024-A (GB)
Title: Process for the preparation of Polyesters of Terephthalic Acid
Inventor: GIRANTET ANTOINE
IPC: C08G63/87
Filed: 1968-06-12
Abstract: 1,181,024. Polyethylene terephthalate. RHONE-POULENC S.A. 12 June, 1968 [12 June, 1967], No. 28011/68. Heading C3R. In the manufacture of polyethylene terephthalate by directly esterifying terephthalic acid with ethylene glycol and thereafter polycondensing the resulting ester, the formation of ether bonds is minimized by carrying out the esterification reaction in the presence of triethanolamine in an amount of 0À001% to 1%by weight of the terephthalic acid. Cobalt salts may be used as esterification catalysts and antimony trioxide (with or without phosphorous acid, aryl phosphites or aryl phosphates as stabilizers) may be used as a polycondensation catalyst.
Patent GB-1197820-A (GB)
Title: Building of Prefabricated Sections.
Inventor: ANDERSSON KARL ERIK EVALD
IPC: E04B1/348
Filed: 1968-06-12
Abstract: 1,197,820. Prefabricated units for buildings. K. E. E. ANDERSSON. 12 June, 1968 [28 June, 1967], No. 28030/68. Heading E1A. A building comprises end walls and a plurality of units connected there-between. Each unit comprises a floor A, side walls B and a roof C (see Fig. 2) each of these consisting of an inner layer of corrugated sheet metal 2, 1 and 4 respectively, the corrugations extending parallel to the side edges of each component, and a rigid outer face 9, 8 and 10 respectively forming the base, the facade and the external roof surface respectively. The space between the inner and outer layers is at least partially filled with insulating material I and the inner layers in at least the side walls and floor are adapted to receive covering panels on their inward facing surface. The floor may have two layers of corrugated sheet metal 2 and 3 fixed back to back. The struts 6, 7 may be of corrugated sheet metal. The inner layer of corrugated sheet metal may consist of individual panels fixed together using beams 16 and bolts 17 (see Fig. 4) the beams serving as support members for the whole structure. Hooks 29 may be formed on the inner surface of the inner corrugated sheet layer on which panels are hung (Fig. 7).
Patent GB-426213-A (GB)
Title: Improvements in hair pins
IPC: A45D8/06
Filed: 1933-10-11
Abstract: 426,213. Hair pins. LONG, F. E. DE, Washingtonville, Pennsylvania, U.S.A. Oct. 11, 1933, No. 28126. [Class 131] A hair pin consists of a length of springy material bent to provide a rounded head 3 and substantially coplanar prongs 4 having inwardly curved corresponding portions 10 which are bent in opposite directions from the plane of the prongs and have their centre portions lying spaced from each other in a line extending at right angles to the plane of the prongs. When thrust into the hair, the pin turns on its longitudinal axis when the hair passes between the portions 10, and thus becomes securely anchored in the hair. Specification 23017/96, [Class 131], is referred to.
Patent GB-509495-A (GB)
Title: Improvements relating to protein preparations
IPC: A23J3/34
Filed: 1937-10-15
Abstract: 509,495. Albumens. WEIZMANN, C. Oct. 15, 1937, No. 28170. [Class 2 (iii)] , Protein materials other than yeast are solubilized by treating with proteolytic enzymes, and then further degraded by proteolysis with a yeast autolyzate so as to yield a product in which preferably about 50 per cent. is in the form of amino-acids. The initial protein material may be soya or peanut meal or any of the materials referred to in Specification 478,570 such as brewers' grains, casein or milk powder. The initial solubilizing may be effected with papain, bromelin, pepsin or trypsin, either crude or isolated, the process being continued until a small but considerable amount of amino-acid is produced. A yeast autolyzate which may be prepared as described in Specification 450,529 is then mixed with the solubilized protein material and kept at 35-42‹C. for about 18 hours, the pH being adjusted to optimum conditions if necessary by adding alkaline or buffering agents as described in Specification 450,529. The product may be filtered and the filtrate evaporated in vacuo. Examples describe the treatment of soya meal with papain and pepsin respectively, peanut meal with papain and casein with papain ; in each case the solubilized product is mixed with yeast autolizate and further degraded as above described.
Patent GB-1076797-A (GB)
Title: Electro-optical sensing apparatus
IPC: B23Q15/00
Filed: 1964-07-08
Abstract: 1,076,797. Positioning workpieces photo-electrically. SPARTANICS Ltd. July 8, 1964 [Sept.24, 1963], No. 28174/64. Heading G1A. Apparatus for locating indicia and indicating when location is achieved comprises a scanning head, means deriving therefrom a signal indicative in amplitude and phase of the magnitude and sense of the deviation of an indicium relative to a desired location, means responsive to the signal to adjust the location of the indicium, and means for phase sensitively demodulating the signal to give an indication when location is complete. A registration mark 22 on a workpiece 20 is scanned by a photo-voltaic cell 24 mounted in an arm 26 oscillated by a coil 30. When mark 22 is displaced from the centre of the area scanned by cell 24, the output thereof contains a component at the scanning frequency which is selectively amplified by a low Q filter 66 and amplifiers 64 and 68 and used to drive a two phase servomotor 70 to centre the mark 22 in the scanned area. Optical elements such as a rhomboidal prism may be used to convey the scanning beam to inaccessable parts of machines. Beams 44 and 46 lie in a plane including the mark 22 and perpendicular to the workpiece 20 and intersect at the mark. The error signal for the servomotor is also applied to a synchronous demodulator 82, to give a D. C. signal indicative in magnitude and polarity of the deviation of the mark 22 from the centre of scan. The D. C. signal is fed to a null detector 86 which gives an output when the signal lies between levels preset on terminals. 87. A circuit 290 checks that a mark is really being scanned by rectifying all components of the error signal and provided the D. C. level produced is above a reference level, level detector emits a signal. When the gate 88 receives signals from both detectors 86 and 94 continuously for the period determined by time delay 98, control relay 100 is operated. Relay 100 may initiate an operation on the correctly positioned workpiece (if necessary after moving parts of the optical system to a safe place) or reduce the scan amplitude to permit more accurate positioning, Fig. 6 (not shown). In a modification, Fig. 8 (not shown) a plurality of marks are scanned by a plurality of detectors, and the control relay is only operated when all marks are correctly positioned.
Patent GB-1247420-A (GB)
Title: Tuned filter circuit
IPC: H03H11/12
Filed: 1969-06-04
Abstract: 1,247,420. Transistor filter and switching circuits. INTERNATIONAL BUSINESS MACHINES CORP. 4 June, 1969 [17 June, 1968], No. 28255/69. Heading H3T. A bandpass filter 11 comprises a common base transistor stage 31 with an RC network 36 ... 41 coupled between collector and base to provide 180 degree phase shift at a selected frequency within the passband, and an emitter impedance 51 of such a value as to limit the gain of the stage to prevent oscillation. The stage is coupled via an amplifier 13 to a limiter 14, the output from which is fed to two further filter stages 17, 19 tuned slightly above and below the centre frequency of the passband of the first filter stage 11. The outputs from the filters 17, 19 are fed to switching circuits 21, 23 which operate when the frequency passed by the respective filter 17 or 19 is present for a predetermined time.
Patent GB-204918-A (GB)
Title: Improvements in footballs and like playing balls
IPC: A63B41/08
Filed: 1922-10-18
Abstract: 204,918. Haughty, G. S. Oct. 18, 1922. Balls.-Relates to footballs, punch balls, or the like having concealed lacing and in which each side of the mouth of the ball is formed of two layers of material, 3, 7, Fig. 5, having coincident holes 4, 5, the lace 8 being threaded through the holes in the inner layer so as to be covered by the outer layer. The stitching 6 securing the two layers together is arranged in two rows between adjacent holes, as shown in Fig. 2, so as to form narrow passages leading to each pair of coincident holes in the two layers.
Patent GB-958283-A (GB)
Title: Improvements in or relating to piston compressors
IPC: F04B49/24
Filed: 1961-08-03
Abstract: 958,283. Compressors; intake silencers. MASCHINENFABRIK OERLIKON. Aug. 3, 1961 [June 29, 1961], No. 28299/61. Headings F1B and F1N. A piston compressor, Fig. 1, comprises a cylinder 2, a piston 3 and a suction valve 4 the latter being controlled by means 8 so that the valve is held open when the pressure in an air tank 7 reaches a predetermined value, a suction pipe line 9 leading to the valve 4 having provided therein a nozzle 15, Fig. 2, which offers less resistance to air flowing into the cylinder than to air flowing from the cylinder, the nozzle being such that the velocity of the air flowing through the nozzle during use is greater than the speed of sound in the region of the nozzle constriction. The suction pipe line 9 may be provided at 10 with filters or silencers. The nozzle 15 may be used as a component of a volumetric measuring unit. The compressor may have a plurality of compression stages with or without intercooling.
Patent GB-248065-A (GB)
Title: A new or improved dirigible flying machine of the helicopter type
IPC: B64C27/04
Filed: 1924-11-26
Abstract: 248,065. Cheesman, R. S. Nov. 26, 1924. Helicopters; propelling; balancing; tanks, arrangement of.-A helicopter comprises a platform 1 beneath which the propelling gear is arranged in order to keep the centre of gravity low, balance being maintained by the aviator inclining himself or exerting a force upon a vertical post 4 mounted on the platform. The engine control gear and fuel tank 3 are mounted upon the post 4. An engine 2 drives a bevel wheel 8 through a belt 5 and the wheel 8 gears with two bevel wheels 9, 10 which are mounted on two concentric sleeves connected to oppositely rotating propellers 6, 7. The sleeves rotate about a fixed shaft 12. A wind screen may be provided on a frame 15. Skids. - The machine is supported on the ground by feet 14 secured to the platform or by a plate secured to the lower end of the shaft 12.
Patent GB-535789-A (GB)
Title: Manufacture of a new olive anthraquinone vat dyestuff
IPC: C09B5/40
Filed: 1939-10-20
Abstract: 535,789. Dyes. DU PONT DE NEMOURS & CO., E.I. Oct. 2Q, 1939, No. 28339. Convention date, Oct. 21, 1938. [Class 2 (iii)] An anthraquinone vat dye dyeing in fast olive shades is made by fusing (6<SP>1</SP>-bromo- Bz] -benzanthronyl)-aminoanthraquinone with. caustic alkali under energetic conditions, whereby the halogen is completely eliminated from the final product. An example is given. Specifications 24601/08, [Class 2], and 348,671 are referred to. The Specification as open to inspection under Sect. 91 comprises also the use as parent materials of 1-(6<SP>1</SP>chloro-Bz1-benzanthronyl) aminoanthraquinone, and also of the 6-bromo or 6-chloro derivatives. This subject-matter does not appear in the Specification as accepted.
Patent GB-158998-A (GB)
Title: Improvements in or connected with bedsteads and the like
IPC: F16B12/56
Filed: 1919-11-17
Abstract: 158,998. Johns, G. Nov. 17, 1919. Joints and connections. - A bedstead side angle-bar 10 is connected to a bracket 1 on the bed-post, by a bolt 12 and nut 12<x> carried by the angle-bar and adapted to be slid endways into a slot of the form shown in the bracket. The end of the angle-bar is held between projections 13 and the main projecting part of the bracket. Reference has been directed by the Comptroller to Specifications 24279/12, 14718/13, and 108,040.
Patent GB-285540-A (GB)
Title: Improvements in machines for making the shells of drawer and shell cartons or packets
IPC: B31B50/36
Filed: 1926-11-12
Abstract: 285,540. Molins, W. E. Nov. 12, 1926. Pile tables; sheet carriers, guides, and separators.-In a machine for making shells of drawer-and-shell boxes the blanks are supported by a reciprocating table 26, Fig. 4, against uprights 30 from which the leading blank is taken by a needle feed 32 reciprocated and oscillated by a crank disc 36 and a cam 38 to engage the blank and feed it between a belt 40 and drum 41, from which it is fed over plates 61 and between side guides 60 to the scoring and embossing rollers. The blank is fed squarely to the scoring and embossing rollers and to the folding &c. devices by pairs of oscillating arms 46, 50, 57 carrying spring-controlled pawls which engage the rear edge of the blank, which is pressed on the bed of the machine by brushes 58.
Patent GB-1118609-A (GB)
Title: Odometer
IPC: G06M1/06
Filed: 1967-06-21
Abstract: 1,118,609. Counters. STEWART-WALKER CORP. 21 June, 1967 [8 July, 1966], No. 28600/67. Heading G4D. [Also in Division G1] An odometer assembly induces a plurality of axially spaced odometer indicating wheels 32 rotatably mounted on a shaft 12, gear means for transferring rotation of the drive wheel 34 successively to the odometer wheels, and means in the form of a shoulder 16 for taking up the axial thrust forces on the drive wheel during rotation. The drive wheel has peripheral gear teeth 50 which receive the drive motion from a spiral gear 52. The gear means for transmitting the motion to the indicating wheels comprises a bracket 40 and a pinion 42 which extends axially into a portion of each of the adjacent wheels. The right of each wheel has internal gear-teeth 46 that mesh with one of the pinions 42 and the left side has a single gear-tooth 48 whch meshes with the pinion gear once per revolution. The outer periphery of each wheel is provided with figures or numerals.
Patent GB-216446-A (GB)
Title: Improvements in stocking forms
IPC: D06F59/06
Filed: 1923-11-13
Abstract: 216,446. Johnson, J. Y., (Proctor & Schwartz, Inc.). Nov. 13, 1923. Shaping and stretching tubular and made-up goods upon cores or internal frames.-A form upon which stockings &c. are supported during drying comprises separate foot and toa sections detachably secured together by a latch. As shown, the foot section is formed with a tongue 5 and cover plates 7, a spring-pressed latch 9 adapted to engage with a notch 13, Fig. 4, formed in a recess in the toe section being mounted upon a pivot 10 secured to the plates. One of the cover plates is provided with an aperture to facilitate the release of the latch and the removal of the toe-section. In a modification, the tongue is formed on the toe section.
Patent GB-576494-A (GB)
Title: Process for the manufacture of bicyclic sulphur compounds
IPC: C07D495/04
Filed: 1944-05-01
Abstract: In the process of example 2 of Specification 576,489, a free keto-acid of the formula <FORM:0576494/IV/1> or <FORM:0576494/IV/2> is isolated as a second fraction.  Phosphorus oxychloride may be used as an alternative to sulphuric acid as condensing agent.
Patent GB-1351218-A (GB)
Title: Process for the production of oxidation catalysts and the use of  such catalysts in the production of maleic anhydride
IPC: C07C51/25
Filed: 1971-06-18
Abstract: 1351218 Maleic anhydride BADISCHE ANILIN- & SODA-FABRIK AG 18 June 1971 [19 June 1970] 28669/71 Heading C2C [Also in Division B1] Maleic anhydride is prepared by gas phase oxidation of n-C 4  olefin with molecular oxygen in the presence of catalyst which comprises anatase, vanadium pentoxide and phosphorus pentoxide and which has been prepared by a process wherein anatase powder, a vanadium compound and a phosphorus compound are mixed in the presence of water (the vanadium and phosphorus compounds being vanadium pentoxide and phosphorus pentoxide or compounds convertible thereto on heating in the presence of air at a temperature not exceeding 250‹ C., for example ammonium vanadate, vanadyl formate, vanadyl oxalate, phosphoric acid, pyrophosphoric acid) and the resulting mixture is dried, heated in air at a temperature not exceeding 250‹ C. (thereby to convert any such convertible vanadium and phosphorus compounds, if present, into pentoxide), reduced in size and shaped. The catalyst may consist of 80-88 weight per cent anatase, 2-5 weight per cent vanadium pentoxide and 10-15 weight per cent phosphorus pentoxide. As exemplified, maleic anhydride is prepared by contacting air and a crude C 4  hydrocarbon cut containing 63 weight per cent C 4  olefin with a fixed bed of catalyst (including comparison catalyst) prepared by a procedure wherein anatase, phosphoric acid and an aqueous solution prepared from vanadium pentoxide and oxalic acid are mixed and the resulting mixture is dried, reduced in size, heated for six hours at a temperature of from 200‹ to 500‹ C., powdered, made into paste with water, moulded into pellets and dried.
Patent GB-1317291-A (GB)
Title: V-triazoles
IPC: C08L33/02
Filed: 1970-06-12
Abstract: 1317291 Triazolyl coumarins CIBA-GEIGY AG 12 June 1970 [13 June 1969] 28672/70 Heading C2C [Also in Divisions C3 C5 and D1] Optical brighteners of formula wherein B is a substituted or unsubstituted mononuclear aromatic heterocyclic group, each of R 1 , R 2 , R 3  and R 4  is a hydrogen atom or a C 1-4 -alkyl group and Y is a substituted or unsubstituted, mononuclear, aromatic, carbocyclic or heterocyclic group, are prepared by (a) cyclization of a hydrazone of formula with an acidic condensation agent, (b) cyclization of a hydrazone defined above with an oxidizing agent, followed by hydrogenation of the triazole-N-oxide thus produced, or (c) reaction of a triazolyl-salicaldehyde of formula or a derivative thereof, with an optionally ring substituted phenyl acetic acid or a reactive derivative thereof. Hydrazone starting materials are prepared by reaction of the appropriate diketone monoxime with the appropriate hydrazino-coumarin. Furfural-oximino-acetone is prepared by reaction of furfuraldehyde with oximino-acetone.
Patent GB-1381494-A (GB)
Title: Fluidized bed process and apparatus
IPC: B01J8/44
Filed: 1971-06-18
Abstract: 1381494 Fluidised bed spray drying; coating STRUTHERS SCIENTIFIC & INTERNATIONAL CORP 9 June 1972 [18 June 1971] 28754/71 Headings B1B and B2L [Also in Division F4] Fines from fluidised bed spray drier 5 or reactor in which particles are coated or aggregated are collected in cyclone separator 13 and scrubber 21 and returned to the fluidised bed 11. Granules of ammonium sulphate, ferrous sulphate and ammonium phosphate may thus be prepared.
Patent GB-229265-A (GB)
IPC: B41B11/54
Filed: 1924-12-01
Abstract: 229,265. Standard Compositor Akt.- Ges. Feb. 14, 1924, [Convention date]. Moulds and driving mechanism for type-bar-making machines. The casting- wheel 1 of a typebar making machine is stopped accurately in casting position by a brake device in the form of an eccentric 4 on the shaft of the driving-pinion 2, against which presses a roller 6 carried by a spring-pressed slide 7. The pressure on the spring thus increases to a maximum once in each revolution of the pinion, so that the sides of the teeth of both wheels are held in contact and independent movement of the casting-wheel is prevented.
Patent GB-323061-A (GB)
Title: Improvements in apparatus for using air or gases as a carrying or conveying medium
IPC: B65G53/66
Filed: 1928-10-08
Abstract: 323,061. British Rema Manufacturing Co., Ltd., Howden, P., and Kahler, L. Oct. S, 1928. Pneumatic conveyers. - In a pneumatic conveyer means are provided whereby the area of the conveying passage can be varied to enable substantially the same air velocity to be used whether a large or small volume of air is being used for conveying. The conveying passage is divided into compartments A, A<1>, A<2>, Fig. 2, each of which is controlled by a valve B. The conveyer is fed by a hopper G having outlets c, c', c<2> each fitted with a valve D which can be operated independently. Each pair of valves B, D is connected by a link E in order that the feed of material and the air flow may be shut off simultaneously in any section. A coal or other fuel pulverizing plant working on the direct firing system and in which the volume of air passing through the pulverizing system can be regulated in direct proportion to the amount of fuel being ground is shown in Figs. 7, and 8. A pipe J formed with two compartments of unequal size connects the air separator G to the suction inlet of a fan K, and a similarly formed pipe P connects the separator and pulverizing mill F. The compartments A, A<1> of the pipe P are connected by branch pipes f with the mill outlet and by branch pipes c<3> with the hopper C. Valves f<1> in the pipes f control the supply of material from the mill, and combined air and feed cut-out valves H are fitted at the juncture of the hopper C with the pipes A, A<1>. The valves f<1>, Hare connected by links E in order to be actuated simultaneously. The delivery outlet of the fan K is connected by a pipe L, which also may be formed with two compartments, to branch pipes M leading to burners N. In a modification the pipe L may supply a single burner. Valves j, l, m, are provided.
Patent GB-206004-A (GB)
Title: Improved polish for wood, paper, metals and the like
IPC: C11D7/60
Filed: 1922-10-25
Abstract: 206,004. Nelson, T. Oct. 25, 1922. Polishing-compositions for wood, paper, meals &c. comprise shellac, methylated spirits and palm-kernel fatty acids. In an example, 2“ lb. of ground white shellac is mixed with 1 gal. of methylated spirits and 4 oz. of pure palm-kernel fatty acids is added.
Patent GB-860716-A (GB)
Title: Improvements relating to harvesting machines
IPC: A01F12/44
Filed: 1957-09-16
Abstract: 860,716. Centrifugal fans. MASSEY-FERGUSON (AUSTRALIA) Ltd. Sept. 16, 1957 [Sept. 17, 1956], No. 29024/57. Class 110 (1). A winnowing fan for a combine harvester comprises two or more impellers 13 mounted on a common shaft and each enclosed in a separate casing 10 which has an inlet opening at each end. To avoid drawing chaff and other airborne material into the inlet openings, the casings 10 are enclosed in an outer casing' 21 which is provided with one inlet duct or, as shown, two inlet ducts 27, 28 extending upwardly to a height at which the entering air is substantially free of airborne material. The driving belt 32 passes through the duct 27. The casings 10 have a common discharge duct 18, the two separate discharge streams merging into a single stream downstream of a pair of converging partition walls 19. Each discharge stream is subdivided by adjustable guide plates 15. Preferably, access to the impellers is provided by a detachable cover-plate 26.