baber/WOPTO huggingface dataset:
Patent GB-166280-A (GB)
Title: Improvements in appliances for securing string on parcels, and the like
IPC: A45F5/10
Filed: 1920-09-01
Abstract: 166,280. Hollyer, F. E. Sept. 1, 1920. Parcel carriers.-A device for securing string round a parcel &c. consists of a straight-edged strip of metal, which is bent downwardly and then upwardly at each end to form gripping-recesses for the string, the middle portion of the device may have beaded edges, and its ends are formed with embossed parts D, D' and with string slots E, El.
Patent GB-484664-A (GB)
Title: Testing apparatus for non-ferromagnetic metallic materials
IPC: G01B7/06
Filed: 1936-11-04
Abstract: 484,664. Magnetic tests. CLARK, W. J., LEWIS, J. G:, and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Nov. 4, 1936, No. 30076. [Class 37] Non-ferromagnetic metallic material is tested, and its thickness, resistivity, or other physical property measured by associating it with a primary and balanced secondary coil system coaxially arranged on an iron core, the system being carried in a frame of insulation material and arranged so that the measurement is effected by unbalancing the coil system due to eddy current effects produced by the coil near the testpiece. The coils 3 ... 5 are mounted on an iron core 1, and the primary 4 is fed from source 8 through barretter lamps 9, meter 10 and current reducing resistor 11, the secondaries 3, 5 feeding a rectifier 12 and meter 13. One secondary winding may be slightly different from the other as regards number of turns, so that maximum sensitivity can be obtained by adjusting the position of the core 1. Before use, the meter is calibrated in respect of a standard of the same material as that under test. Specification. 425,586 is referred to.
Patent GB-1207645-A (GB)
Title: Process for the preparation of cyclopent-2-enyl phenols
Inventor: KLEIN ALFONS
IPC: C07C37/14
Filed: 1969-06-13
Abstract: 1,207,645. Cyclopent - 2 - enyl phenols. FARBENFABRIKEN BAYER A.G. 13 June, 1969 [15 July, 1968], No. 30153/69. Heading C2C. Cyclopent - 2 - enyl phenols of general formula in which the cyclopentenyl radical is in the o- or p-position to the hydroxyl group, R is halogen, C 1 -C 5  alkyl or C 1 -C 5  alkoxy and n is 0, 1, 2, 3 or 4, are prepared by reacting a phenol of general formula with cyclopentadiene in the presence of an aluminium phenolate at 40-120 C. Examples are given of the preparation of (a) 2- and 4 - cyclopent - 2 - enyl phenol; (b) 4 - chloro - 2 - cyclopent - 2 - enyl phenol and 4 - methyl - 2 - cyclopent - 2 - enyl. The compounds obtained by the above process are stated to react with a mono or dialkyl carbamic acid halide to give insecticides.
Patent GB-630420-A (GB)
Title: Improvements relating to lifting jacks
IPC: B66F1/06
Filed: 1947-11-13
Abstract: 630,420. Lifting-jacks. PRIMA INDUSTRIES, Ltd., and SMITH, C. V. Nov. 13, 1947, Nos. 30173/47 and 8595/48. [Class 78 (iii)] The ratchet and pawl gearing of a lifting jack is actuated by a pedal. A square section tubular pillar 10 contains a tubular member 17 which is reciprocable therein by a pedal 13a and a return spring 18. Pivotally attached to the member 17 is a lifting pawl 20 which is connected through a spring 23 to a holding pawl 22 which is pivotally attached to the inside of the pillar 10. These pawls are further connected by a strip metal spring 24 which, when its U-shaped portion is engaged by the end of a rod 26, overcomes the spring 23 and forces the pawls into engagement with teeth on a ratchet bar 11c which is secured to a tube 11 carrying a load engaging crutch 11a. Reciprocation of the member 17 with the rod 26 engaging the spring 24 causes the pawls to alternately engage the ratchet bar and lift the load therewith. Movement of a bell crank 27 raises the rod 26 free of the spring 24 whereupon the pawls are influenced by the spring 23. alone in such a way that further reciprocation of the member 17 causes the pawls to alternately disengage from the ratchet teeth thus lowering the load step by step. The pedal 13a is hinged and adapted to be folded for easy stowage.
Patent GB-974315-A (GB)
Title: Means for raising and lowering curtains
IPC: A47H7/02
Filed: 1962-08-07
Abstract: 974,315. Curtain rods. B. ROSE. July 22, 1963 [Aug. 7, 1962], No. 30173/62. Heading A4B. Means for powering a curtain-supporting bar 4 for access comprises channel section guides 1, attached to the side members 2 of a window frame, and a control bar 8 having its ends slidable in the channels and releasably lockable in the lower ends thereof by bolts 11, the bars 4 and 8 being interconnected by plastic-covered cords or wires 5 which pass over pulleys 6 fixed to a part 7 of the window. The pulleys have extensions 13 which limit the raising of the bar 4 by depressing the bar 8, tongues 10 at the ends of the bar, in limit position, being pressed into recesses 9 in the lower ends of the channels for retention by the bolts 11 which are released through the inwardly facing open sides of the channels or through apertures 12. Upward movement of the bar 8 is limited by stops 3 or the closed upper ends of the channels. In a modification the bolts are replaced by spring- urged ball catches in the window frame engaging recesses in the bar 8.
Patent GB-1388779-A (GB)
Title: Matrix magnetic separation device and method
IPC: B03C1/034
Filed: 1973-06-26
Abstract: 1388779 Magnetic separators MAGNETIC ENG ASSOCIATES 26 June 1973 30368/73 Heading B2J A magnetic separator comprises a plurality of stacked matrices 24, 26, 28, 30 with interposed members 40, 42, 44 for controlling the flow of slurry through the matrices, there also being provided respective inlet and outlet flow control members 46, 48. An electromagnet 20, which may be of the super-conducting type, surrounds the matrices and this itself may be surrounded by a ferromagnetic frame (Fig. 1, not shown). Each matrix comprises a ferromagnetic material such as steel wool, steel balls or steel tacks in a canister of stainless steel or other material of low magnetic permeability. Each member 40, 42, 44 has a network of channels and ports for distributing slurry to its corresponding matrix for treatment and a similar network for collecting slurry from its other associated matrix, whilst member 46 has only a distribution network and member 48 a collection network, the inlet to the separator comprising pipes 86, 76, 68, 58 feeding respective matrices and the outlet comprising pipes 124, 126, 128 and 138. In a modification each matrix is associated with a separate electromagnetic coil (Fig. 4, not shown).
Patent GB-1138599-A (GB)
Title: Process for the preparation of -‡-aminocarboxylic acids
IPC: C07D209/20
Filed: 1967-06-30
Abstract: 1,138,599. α-Amino-monocarboxylic acids. ROHM & HAAS G.m.b.H. 30 June, 1967 [5 July, 1966], No. 30391/67. Addition to 1,098,137. Heading C2C. A process for the preparation of α-aminocarboxylic acids comprises reacting a cyanhydrin derived from an aldehyde or ketone with an aqueous solution of ammonia and carbon dioxide at above atmospheric pressure and at a temperature above 100‹ C., the cyanhydrin being passed into the aqueous solution at approximately the same rate as the formation of the α-amino carboxylic acid. The cyanhydrin may be derived from a reaction mixture of an aldehyde or ketone and hydrocyanic acid acid, which reaction mixture may be passed into the aqueous solution of ammonia and carbon dioxide at approximately the same rate as the formation of the α-amino carboxylic acid. The preferred reaction conditions are that the concentration of cyanhydrin in the reaction mixture is not greater than 10% by weight, a proportion of the α-amino acid formed is continuously removed from the reaction mixture and in which 4 to 10 mols. of ammonia, 20 to 100 mols. of water and 1 to 4 mols. of carbon dioxide are employed per mol. of cyanhydrin. Examples describe the preparation of alanine, α-aminoisobutyric acid and 1-amino-cyclohexane-carboxylic acid-(1).
Patent GB-1468847-A (GB)
Title: Dielectric fluid
IPC: C07C43/29
Filed: 1974-07-09
Abstract: 1468847 Dielectric fluids DOW CHEMICAL CO 9 July 1974 [9 July 1973] 30415/74 Heading C5F A dielectric fluid comprises a mixture of (a) at least one monochloro- or monobromo-diphenyl oxide free of alkyl substituents and (b) at least one monochloro- or monobromo-alkyldiphenyl oxide having one or two alkyl groups, each of 4 to 12 carbon atoms and together comprising 4 to 16 carbon atoms. The alkylated and alkylfree components each amount to 30 to 70% of the composition.
Patent GB-228302-A (GB)
Title: Improvements in and relating to appliances applicable for heating dental instrumentsand for like purposes
IPC: F23D99/00
Filed: 1923-12-05
Abstract: 228,302. Dixon, F. Dec. 5, 1923. Burners, arrangements of.-A device suitable for heating dental instruments comprises a Bunsen burner 1 and a hand-operated, spring-controlled valve 4 provided with a by-pass 5. The by-pass pipe may have a separate control tap and may have a branch constituting a separate small Bunsen burner for use when the main burner is not required.
Patent GB-1384682-A (GB)
Title: Stacking machine
IPC: B65B35/50
Filed: 1973-06-27
Abstract: 1384682 Packaging machines; stacking VORONEZHSKY ORDENA TRUDOVOGO KRASNOGO ZNAMENI ZAVOD SINTETICHEKOGO KAUCHUKA IMENI SM KIROVA 27 June 1973 30608/73 Heading B8C In a machine for stacking layers of parallelepiped articles 89 on a pallet or container 38, an article passes from inclined roller bed 2 to a receiving table 3 with arrester 4. Pusher 10 then displaces the article laterally on to accumulating roller table 22 aligned beneath a pneumatically operated grab 77. When a layer of articles is complete, the layer is grasped by grab 77, table 22 is retracted beneath table 3 on wheels 27 and guides 28, and the grab lowers the article layer on to pallet 38. Grab 77 is lowered by weight of the layer acting against counter-weights 107 on suspension cables 100, 101; shock-absorbers 109 are provided. This sequence of movements repeats under the control of limit switches until the pallet is loaded. During loading, a pallet rests against a stop 50 and is held down by devices 51, both of these pallet securing means being retracted to allow the filled pallet to proceed on chain conveyer 40 to discharge roller bed 63. The filled pallet trips switch 48 which actuates air cylinder 75 and a stop 66 to allow a further pallet 38 to move from inclined roller entry bed 35 on to roller transfer table 39. The table 39 moves on rollers 68 and levers 69, 70 to place the new pallet on conveyer 40 for transport to the loading position beneath table 22.
Patent GB-949911-A (GB)
Title: Apparatus for desulphurizing crude iron
IPC: C21C1/02
Filed: 1962-08-09
Abstract: Apparatus for desulphurizing crude iron by mixture with agents such as lime comprises counter-rotating stirrers carried on coaxial vertical shafts 3, 14 and each consisting of vertical rods 5, 10 supported by rings 4, 8 and 12, 13 and carrying agitating vanes 6. The stirrers may form a unitary assembly with the <PICT:0949911/C3/1> lid 17 of a transfer ladle 1 whereby a reducing atmosphere may be maintained in the ladle. The vanes 6 may be vertical or inclined and may be covered with refractory material.  The speed of rotation may be up to 50 r.p.m.
Patent GB-602999-A (GB)
Title: Improvements in steam generators
IPC: F22B29/02
Filed: 1945-11-15
Abstract: 602,999. Water-tube steam boilers. ABBEY, A. (Aktiebolaget Gotaverken). Nov. 15, 1945, No. 30652. [Class 123(ii)] A steam boiler comprises a naturalcirculation radiant-heat section, in the form of riser tubes 3 which line the walls of a vertical combustion chamber 1 and are connected between lower distributor headers 4 and an upper steam and water drum 6, either directly or through upper headers 5, and a forced-circulation convection-heated section 9 located in a flue 2 leading from said chamber 1. The two sections 3, 9 are in parallel and are provided with downcomer tubes 7, 8 respectively leading from the drum 6, a motor-driven pump 10 being fitted between the downcomers 8 and the section 9. A superheater 13 is disposed in the flue 2. Close spacing of the tubes 3 within the combustion chamber is effected by reducing the ends thereof connected to the headers 4, 5.
Patent GB-737641-A (GB)
Title: Improved blasting device
Inventor: SMITH KENNETH ASHBROOKE
IPC: F42B3/06
Filed: 1953-11-06
Abstract: 737,641. Blasting cartridges. IMPERIAL CHEMICAL INDUSTRIES, Ltd. June 30, 1954 [Nov. 6, 1953], No. 30737/53. Class 9(1). A fluid pressure blasting cartridge comprises a high tensile steel body 1 containing a gas-producing charge 14 and sealed from the discharge head 2 by a rupturable member 15 of filled synthetic resin. The member has a peripheral recess housing a resilient sealing ring 16 which may be of neoprene or rubber. A heating charge to decompose the main charge may be blackpowder and is housed in a fireproofed cardboard cylinder 11, the heating charge being electrically initiated. The main charge within a fireproofed cardboard container may be a composition comprising 49 per cent ammonium nitrate; 34 per cent magnesium nitrate hexahydrate and 17 per cent wood flour. With this charge, the heating charge may comprise 60 per cent guanidine nitrate, 31-5 per cent potassium persulphate, 8 per cent cuprous chloride and 0À5 per cent mineral jelly. In both compositions all parts are by weight. The member 15 may be of nylon.
Patent GB-249595-A (GB)
Title: Improvements in filters for milk or similar liquids
IPC: B01D29/00
Filed: 1924-12-23
Abstract: 249,595. Blackburn, C. Dec. 23, 1924. Filters having sheet filtering-materials.-In ar upward - flow filter for milk and other liquids, the supply pipe 6 projects through the lower part 1 of the casing, in which the impurities collect The liquid is spread over a gauze 9 by a baffle 8 and passes through a cloth 10 held between frames 11, 12. The gauze 9 and the frames 11, 12 are held between the lower part 1 of the casing and a hinged cover 2 clamped by hinged bolts.
Patent GB-787776-A (GB)
Title: Improvements in the manufacture of laminated sheet materials
IPC: B32B27/00
Filed: 1955-10-27
Abstract: A thin vulcanizable and hardenable rubberresin sheet is formed by mixing with rollers at 40-50 DEG  C. rubber and a melamineformaldehyde condensation product, sulphur and a filler then being added and worked in a roller mill at 120 DEG  C. with the rollers close together, the vulcanizing accelerator being added as near the end of the treatment as possible and the sheet being withdrawn in a semi-polymerized condition for calendering to the desired thickness at 40-50 DEG  C.  The sheet may comprise by weight 2.5 parts melamine-formaldehyde condensation product, 1 part natural or artificial rubber, 6.3 parts filler such as kaolin or wood meal, 0.05 part sulphur and 0.1 part accelerator, or the amounts of rubber and resin may be interchanged and 0.2 part zinc oxide added.  Other condensation resins, e.g. phenol-formaldehyde, cresol-formaldehyde or urea-formaldehyde resins may be used as the resin component.ALSO:A thin vulcanizable and hardenable rubber-resin sheet is formed by mixing on rollers at 40 DEG -50 DEG C. rubber and a melanine-formaldehyde condensation product, sulphur and a filler then being added and worked on a roller mill 120 DEG C. with the rollers close together, the vulcanizing accelerator being added as near to the end of the treatment as possible and the sheet being withdrawn in a semi-polymerized condition for calendering to the desired thickness at 40 DEG -50 DEG C.  The sheet may comprise by weight 1 part melamine-formaldehyde condensation product, 2,5 parts natural or artificial rubber, 6,3 parts filler such as kaolin or wood meal, 0,2 parts zinc oxide, 0,05 parts sulphur, and 0,1 parts accelerator, or the amounts of resin and rubber may be interchanged and the zinc oxide omitted.  Other condensation resins, e.g., phenol formaldehyde, cresol-formaldehyde or urea-formaldehyde, may be used as the resin component.
Patent GB-357808-A (GB)
Title: Manufacture of viscose solutions
IPC: D01F2/08
Filed: 1930-10-15
Abstract: Viscose solutions are prepared by xanthating ripened or unripened alkali cellulose in the presence of a water-soluble sulphide in an amount not exceeding 10 per cent of the weight of the cellulose; whereby the viscosity of the viscose solution is reduced and the time of ripening is reduced for normal solutions, or, with normal ripening, the concentration of cellulose is increased.  In examples: (1) 1 part of sulphite cellulose is immersed for 2 hours in 36 parts of a solution containing 15,7 per cent NaOH and 2,7 per cent sodium sulphide, squeezed to 3 times the weight of the cellulose, disintegrated and ripened for 22 hours at 20 DEG  C.  After xanthating with 0,5 parts carbon disulphide, the product is dissolved in 9,5 parts of 7 per cent NaOH.  The solution has a viscosity approximately that of a solution of the same concentration prepared from alkali cellulose obtained with 18 per cent caustic soda and ripened for 3-4 days at 20 DEG  C.  (2) 1 part of sulphite cellulose is immersed in 27 parts of a solution containing 13,25 per cent NaOH and 4,3 per cent sodium sulphide, squeezed to 3 parts and ripened for 1 day.  The product is xanthated with 0,5 part carbon disulphide and dissolved in 3,3 parts of 7,5 per cent NaOH giving a solution containing 14 per cent of cellulose and of a viscosity approximately that of viscose containing 7 per cent cellulose made from alkali cellulose ripened for 1 day.
Patent GB-1192658-A (GB)
Title: Electronic Shutter
IPC: G03B7/083
Filed: 1968-06-28
Abstract: 1,192,658. Photo-electric exposure control. KONISHIROKU PHOTO INDUSTRY CO. Ltd. June 28, 1968 [July 3, 1967; July 4, 1967; May 30, 1968], No. 31008/68. Heading G1A. [Also in Division G2] In a camera having a shutter operated through a triggering circuit by a photo-voltaic cell, a variable lens diaphragm is linked for movement with a diaphragm in front of the voltaic cell in a manner such that when the camera shutter release is operated both the diaphragms are moved in their opening direction at predetermined rates. The arrangement provides for the use of automatic shutter control in conjunction with the use of flash, and the flash contact operation may be adjusted by the distance or focusing control to shift the moment of flash relative to the moving diaphragms. In a photo-volatic cell circuit Fig. 3 the current from cell 4 which is worked into a low impedance T 1  for linearity, is integrated in a capacitor C to control shutter magnet M, a resistor R being provided to set in for example film speed. A rotatable arcuate aperture which increases progressively in width may be provided for the photocell and it may normally expose part of the cellface to overcome time-lag in the electromagnet. The diaphragms may be returned to their rest positions by the film feed arrangement.
Patent GB-306190-A (GB)
Title: Improvements in or relating to carburetting devices
IPC: F02M1/00
Filed: 1927-11-18
Abstract: 306.190. Burgess, G. C., and Smith & Sons (Motor Accessories), Ltd.) S. Nov. 18, 1927. Spray - carburettors. - In a carburettor of the kind provided with a fixed block 19 traversed by ducts 23, 24 extending from the atmosphere to the main delivery conduit 11, the outlets of the ducts being controlled by a suction-actuated valve 20, atomized fuel is supplied to the ducts through a passage fed from a single-fuel nozzle. As shown in Fig. 2, a fuel nozzle 18 is situated in an air-inlet passage 18<a> opening through an orifice 28 into a tube 26 extending transversely through the ducts 23, 24 and provided with perforations 27. The tube 26 is detachably secured in position by a spring 30. In the modification shown in Fig. 4, the float chamber 10 is attached to the block 19 by a plug 33 carrying the fuel nozzle 35, air for atomizing the fuel being admitted through a restricted orifice 37 and conduit 36. Fuel for slow-running is supplied through a nozzle 13 situated adjacent the throttle valve 12, which nozzle may be fed by a diffuser similar to that described in Specification 284,881.
Patent GB-484075-A (GB)
Title: Drawing press for working sheet metal
IPC: B21D11/02
Filed: 1937-11-15
Abstract: 484,075. Shading sheet metal. OECKL, O. Nov. 15, 1937, No. 31311. [Class 83 (iv)] Bending : stamping.- In shaping a sheet 26 by a hydraulic ram pressing a matrix 23 into it, while held at the edges by clamps 45 the shaping is assisted by moving the clamps in or out or by skewing them as shown in Fig. 1 by means of the screws 12 working in the clamp slides 11 and rotated in unison or differentially as desired by their electric motors 16. Alternatively the clamps may be moved by hydraulic cylinders operating on the clamp carriers, Fig. 4 (not shown). Fig. 1 shows a plan of two pairs of clamps the sheet being held at one edge by the top pair of clamps, and at the other edge by the pair of clamps on the now skewed carriers 30 but the pairs of clamps may be independently adjusted both horizontally and rotationally by disconnecting the connector 47 of each pair, so that any diagonal or opposite pair, or more, of clamps may be used together. Several drawing presses may be mounted on the same bedplate or on adjacent bedplates as in Fig. 8, for independent use or combined use where a sheet is too large for one press, the sheet spanning over intermediate grippers. The matrix may be free to pivot about a horizontal axis 25 during drawing. In a modification Fig. 6, the matrix 23 does not rise, all the drawing being performed by the grippers when actuated by their motors 16.
Patent GB-648147-A (GB)
Title: Improvements in radiants for gas fires
IPC: F24C15/24
Filed: 1948-12-03
Abstract: 648,147. Radiants. TENNANT & SONS (WARRING- TON), Ltd., J., and TENNANT, D. R. Dec. 3, 1948, No. 31322. [Class 126] A tubular radiant for gas fires comprises a U-shaped perforate or imperforate back and side portion 1, 2 across which is joined a plurality of transverse arched bridge portions 5 having one or more longitudinal webs 7 extending for the whole or a portion of the length of the radiant and lying behind and extending between the bridge portions 5, the front surface of the webs 7 lying flush with the inner surface of the bridge portions 5. The U-shaped back and side portions 1, 2 may be imperforate or may be provided with slots 3 in the upper half and slots 4, Fig. 2 (not shown), near the base, longitudinal webs 6 being provided on the inner surface.
Patent GB-628484-A (GB)
Title: Improvements in brick-making machinery
IPC: B28B13/04
Filed: 1946-10-22
Abstract: 628,484. Moulding bricks ; repressing. EWER, H. N., and GURNEY & EWER, Ltd. Oct. 22, 1946, No. 31370. [Class 87 (ii)] A press for repressing raw bricks comprises two relatively movable pressing jaws 1, 6 each having two faces 3, 4 and 8, 9 and two relatively movable side plates 11, Fig. 2, which are synchronised for movement with the jaws. Raw bricks are fed down a slope 24, the jaw 1 is moved back and the brick abutting against the face 10 is pushed between the jaws by a plunger 27. Frictional contact with the side plates supports the brick during the filling operation. The brick is then pressed between the jaws. After pressing, the jaws are opened and when they are clear of the brick, the side plates are moved to allow the moulded brick to fall out of the press to a discharge plane 31. The fall of the brick is broken by a spring-loaded step 30. A pressure limiting device which may be adjusted by a screw 21 is provided. One or both of the jaws and the side plates may be movable.
Patent GB-604036-A (GB)
Title: Improvements relating to drinking or other vessels
IPC: A47G19/23
Filed: 1945-11-21
Abstract: 604,036. Drinking vessels. SALE, F. Nov. 21, 1945, No. 31391. [Class 128] [Also in Group XVII] A cup. tumbler. beaker, or like vessel a constructed of china, glass, synthetic resin, or metal, is provided with one or more handles or fingerpieces b formed from the material of the vessel, of channel shape having the open side facing the interior of the vessel. The body part and the handle are tapered upwardly to facilitate packing and an outwardly extending flange c may be provided to facilitate handling.