baber/WOPTO huggingface dataset:
Patent GB-1341683-A (GB)
Title: Methods and apparatus for controlling the motion of particles
IPC: B01D59/00
Filed: 1970-12-10
Abstract: 1341683 Manipulating particles WESTERN ELECTRIC CO Inc 10 Dec 1970 [15 Dec 1969] 29385/73 Divided out of 1339733 Heading G6P [Also in Divisions B1 and H1] By controlling the motion of particles by means of radiation pressure, as disclosed in Specification 1,339,733 separation of different particle species is obtained.
Patent GB-189438-A (GB)
Title: Improvements in or relating to folding photographic cameras
IPC: G03B3/02
Filed: 1922-10-27
Abstract: 189,438. Baille-Lemaire et Fils. Nov. 25, 1921, [Convention date]. Cameras with baseboard and tailboard folding.-In a folding camera the baseboard 2 is supported at each side by a strut 4 pivoted at 5 to a member 3 which is secured to the baseboard bv rivets 6 and pivots with the baseboard on the hinge 7. In the open position the strut 4 engages a pin 8 on the camera body and is resiliently held by the engagement of the other slotted end of the strut with a projecting portion of the member 3.
Patent GB-904736-A (GB)
Title: A liquid-cooled electric eddy-current brake, dynamometer or coupling
IPC: H02K49/04
Filed: 1958-09-15
Abstract: 904,736. Eddy-current brakes, couplings and dynamometers. EATON MANUFACTURING CO. Sept. 15, 1958 [Sept. 20, 1957], No. 29450/58. Class 35. In a liquid-cooled dry-gap eddy-current brake, dynomometer or coupling comprising a magnetizable rotor 21 having peripheral polarizing teeth 23 whose tips are circularly disposed at a substantial distance from the cylindrical inside face 31 of a magnetizable stator 5, an annular field coil 27 located around the rotor centre line and when excited producing a toroidal flux field F interlinking the rotor and stator, and at least one ring, shown as four rings 53, 55, 57, 59, having circularly uninterrupted radially inner and outer surfaces 53a, 55a, &c. and 63a located at relatively small and large respective distances from the teeth tips and face 31 to provide respective relatively small and large circumferentially unobstructed airgaps, each ring is flexible, thin, and of a ductile material. Radial supporting ribs 61 locate the ring relatively to the face 31, and manifolds 39, 41 allow liquid coolant, e.g. water, to enter the large gap and circulate peripherally between surfaces 31, 63a. The rings, in which the eddy currents are created, may be of copper or forged steel, and the field intensity is so high that not all the flux can be accommodated by the ribs 61 so that a substantial amount traverses both magnetic gaps. Additional, magnetizable rings 45, 47, 49, 51 may be interposed between the rings 53 &c. and the stator face 31. In modifications, the ring may be corrugated and there may be an axial series of the rotor and stator units shown. The dynamometer may be for testing a high-speed gas turbine. Specification 518,863 is referred to.
Patent GB-483683-A (GB)
Title: Improvements in and relating to coin-freed mechanism
IPC: G07F15/08
Filed: 1936-10-29
Abstract: 483,683. Prepayment mechanism for meters. BRITISH THOMSON-HOUSTON CO., Ltd. Oct. 29, 1936, No. 29460. Convention date, Oct. 29, 1935. [Class 27] A prepayment meter mechanism comprises a main plate 1 on which is mounted a complete prepayment mechanism for a normal simple tariff assembled from separate individual parts and including a differential a, b, c connected to a second differential d, e, f, one of the sun wheels f of which is driven by the consumption meter. The planet wheel carrier e is connected to and drives the sun wheel c, the sun wheel a being rotated by prepayment. When it is desired to change from a simple tariff to a tariff including a basic charge, a pre-assembled motor driven mechanism is attached to the main plate to drive the sun wheel d. The planet carrier e now rotates at a speed equal to the sum of the rotations of the wheels f, d. The basic charge mechanism comprises a synchronous motor 18 and gearing 19 which are mounted between plates 21, 22. These plates are held together by hollow rivets which fit over columns 23 forming part of the assembly for a simple tariff, the whole being then secured by screws 24. The simple tariff mechanism comprises a gear 2 driven by a coupling member 3 from the coin holder mechanism 4. The gear 3 meshes with a gear 5, a pin 6 on which engages and drives a star wheel 7 connected to the sun wheel a. The shaft 8 of the gear 5 carries a crank 10 which actuates a swinging lever 12 to operate a switch in a casing 13.
Patent GB-1223117-A (GB)
Title: Improvements in or relating to the recovery of cultivated micro-organisms
Inventor: BONAVITA JEAN-BAPTISTE
IPC: C12N1/26
Filed: 1967-06-27
Abstract: 1,223,117. Yeast &c. BRITISH PETROLEUM CO. Ltd. May 1, 1968 [June 27, 1967], No. 29514/67. Heading C6F. A micro-organism is cultivated in the presence of a hydrocarbon feedstock which consists in part of straight chain hydrocarbons e. g. derived from petroleum fractions, metabolizable by the microorganism, an aqueous nutrient medium and a gas containing free oxygen, there is separated from the product an aqueous phase and a product mixture comprising the micro-organism, unconsumed hydrocarbons and an aqueous phase, the product mixture is treated with an alcohol and a solvent hydrocarbon, unit part by volume of the product mixture being treated with 0.5 to 2 parts by volume of the alcohol and with 0À5 to 2 parts by volume of the solvent hydrocarbon, and the treated product mixture is subjected to phase separation with recovery of a phase comprising solvent and unconsumed hydrocarbons and a phase mixture comprising alcohol, water and the micro-organism. This phase mixture, containing less than 20% by volume of water, is subjected to further phase separation in order to recover the micro-organism. Microorganisms: specified yeasts, moulds and bacteria, particularly the yeasts Candida lipolytica and Candida tropicalis. Solvent hydrocarbons: pentanes, hexanes and petroleum ethers. Alcohols: ethanol, propanol, iso-propanol and the butanols.
Patent GB-340991-A (GB)
Title: Stiff paper, linen, silk, or like sheets metallised on one or both sides and a method for their manufacture
IPC: D21H19/04
Filed: 1929-09-30
Abstract: 340,991. Compound sheet materials. RUPPERT, W., 185, Siebengebirgsallee. Klettenberg, Cologne, Germany. Sept. 30, 1929, No. 29605. Convention date, Nov. 5, 1928. [Class 140.] Sheet material for use in wireless apparatus and electric condensers, consisting of layers of paper or other material united by means of a binder and faced on one or both sides with metal sheets or foil, is made by coating the sheets of paper &c. with an artificial resin varnish, superposing them, applying metal foil to one or both sides of the assembled sheets, and subjecting the whole to heat and pressure until the artificial resin is converted to the insoluble state. The Specification as open to inspection under Sect. 91 (3) (a) states that the metal layer may be applied to the stiff paper by a special adhesive process, or that a layer may be applied by spraying. This subject-matter does not appear in the Specification as accepted.
Patent GB-272769-A (GB)
Title: Sleeves to aid natation
IPC: B63C9/15
Filed: 1926-11-23
Abstract: 272,769. Evans, G. Nov. 23, 1926. Inflatable body attachments; swimming appliances.-A sleeve which can be rolled on itself when deflated, but which cannot be rolled when inflated, comprises an inner wall 30 and an outer wall 12 joined at their ends and also along one side at 15 or intermediate the ends of the sleeve. The walls may be attached to each other along two or more parts to form a number of independent inflatable pockets each having a separate inflating valve. In the case of two oppositely disposed pockets the valves may be disposed at opposite ends to facilitate inflation when in position on the wearer's arm. The walls, which are of rubber, may be separately formed or formed by telescoping one part on another and joining the open end. Longitudinal pleats may be provided in the outer wall.
Patent GB-638107-A (GB)
Title: Improvements in or relating to electrically driven fan units
IPC: F04D25/12
Filed: 1947-11-07
Abstract: 638,107. Fan units. AKTIEBOLAGET ELEK-' TROLUX. Nov. 7, 1947, No. 29678. Convention date, Nov. 27, 1946. [Class 137] An electric fan is attached to a ventilating duct by a frame member 28 securable in the mouth of the duct and carrying means for coupling the unit to the mains, and permitting of easy removal of the fan unit from the duct, the fan unit comprises a motor 13, fan wheel 14 and a casing 12 from which the fan 13, 14 is resiliently suspended by steel straps 15 partly encased in rubber. A housing 10, for the fan unit, has front and rear walls 16, 17 held rigidly apart by sleeves 18. In the space between the casings 10, 12 is housed a switch connected to a coupling plug 22 by conductors 23, 24 and actuated stepwise in one direction by a draw-bar (not shown). The plug 22 which has normal contact pins 44 for engaging the power point 40 is rigidly connected with a sheet metal box 26, mounted on the rear wall 17 of the housing, by a lug 27 engaging a recess in the plug. If a duct having a discharge opening controlled by a damper pivoted in top and bottom holes 30 in a frame 29 at the edge of the opening, is to be provided with a fan, the damper is removed and the pivot holes 30 are used to support the frame 28. At the bottom of the opening a pin 34, engaging the hole 30, is carried on a plate 32 secured by bolts 33 to inturned lugs on the frame 28. Elongated bolt holes in the plate 32 permit adjustment to register the pin 34 with the hole 30. At the top of the opening, a screw 37 is engaged in the upper hole 30, the block 36 being secured by engaging screws 38 with a selected pair of holes 39, Fig. 4 (not shown). Adjustment of the block horizontally is effected by the screws 38. In a modification, vertical adjustment of the frame 28 on the frame 29 is permitted by an elongated slot in the frame 28 through which passes a clamping bolt which has a hooked end to engage a hole in the horizontal upper flange of the frame 29. In a further modification, the frame 28 is fixed permanently at the mouth of the duct, rearwardly directed stays on the frame being cemented into the adjacent wall. A damper 11 is described in Specification 594,165 is provided and may be adjusted by the drawbar actuating the switch.
Patent GB-1465457-A (GB)
Title: Preparation of refrigeration oils
IPC: C10G67/08
Filed: 1975-07-16
Abstract: 1465457 Refrigeration oils TEXACO DEVELOPMENT CORP 16 July 1975 [9 Sept 1974] 29746/75 Heading C5E Refrigeration oils are prepared by subjecting a crude lubricating oil (e.g. a naphthenic oil having a pour point not higher than - 20‹ F.) to catalytic hydrofinishing at 500-650‹ F. and 100-1500 p.s.i.g. followed by treating with 15-60 pounds of concentrated sulphuric acid per barrel of oil, dewaxing with urea and percolating through clay. The hydrofinishing catalyst can comprise 2% Co and 10% Mo on alumina. The acid treatment can be carried out at up to 150‹ F. by adding 95-98% sulphuric acid to the oil in 3 stages and is followed by neutralization with caustic soda, washing and drying. The dewaxing can be carried out by contacting with a solution of urea in a methanolisopropanol mixture, e.g. at a rate of 3-16 pounds of urea per barrel of oil. The dewaxed oil is percolated through clay at an hourly rate of 0À1-5 barrels per ton.
Patent GB-829819-A (GB)
Title: Improvements in or relating to evaporators
Inventor: SILVER ROBERT SIMPSON
IPC: B01D3/06
Filed: 1957-09-21
Abstract: <PICT:0829819/III/1> In a multiple-stage flash evaporator for the distillation of water of the kind wherein the water to be distilled together with recycled water is preheated in a series of heat exchangers (1A to 25A) employing vapours produced as the heating medium and a separate heat exchanger (13) employing steam as the primary source of heat, and evaporated in a series of evaporators (25 to 1) in which the pressure is gradually lowered, the vapours from each stage being passed to the heat exchangers (25A to 1A) to be condensed and heat the incoming water, the number of evaporating stages employed is at least twice the performance ratio of the system; the performance ratio is defined as the weight of distillate produced to the weight of steam used.  The use of such a large number of stages realizes a saving in the heating surface in each stage.
Patent GB-670629-A (GB)
Title: Improvements in or relating to bathing cap
IPC: A42B1/12
Filed: 1948-11-16
Abstract: 670,629. Bathing caps. MOORE, C. M. Nov. 16, 1948, No. 29820/51. Addition to 660,025. Class 63. The bathing cap claimed and described in the parent Specification is modified in that the sealing band has the face and neck bands divided to form end portions with means for joining said end portions together in overlapping relationship. The divided ends 3', 4' of an extension band 7 of the face and neck bands 3, 4, each carry press-stud elements 12 which when the band 7 is tensioned provide variable adjustment with elements 13 fixed respectively to the bands 3, 4. In Fig. 6 an extension 106 of the face band 103 overlies an extension 107 of the neck band 104. The head receiving part 114, made of three or more pieces, has longitudinal and transverse pleats 120, 122 respectively on the crown and nape parts of the cap, or vice-versa, longitudinal folds only being used when the head receiving part is of unitary construction. An elastic or non-elastic band 123 preferably of low elasticity spans the pleats 120. In an alternative construction, the central part of the head receiving part is provided with a fullness or snood which may also have pleats.
Patent GB-989441-A (GB)
Title: Improvements in or relating to corrosion inhibiting compositions
IPC: C09D145/02
Filed: 1962-08-03
Abstract: A corrosion-inhibiting coating composition especially for galvanized sheets consists of a coumarone/indene resin and a wax plasticizing agent, e.g. paraffin wax or beeswax, the proportion by weight of resin exceeding the wax.  The composition is made by dissolving 4 parts of the resin to 1 of wax in benzol or light coal tar naphtha. The coating may be applied by dipping, spraying or by rollers and the solvent is entirely evaporated, assisted if necessary by a hot air blast.  The galvanized sheets may be pre-coated with chromic acid, or chromates or phosphates, in acid or alkaline solution, and may be coated in strip form.ALSO:A corrosion-inhibiting composition especially for galvanized sheets consists of a coumarone/indene resin and a wax plasticizing agent, e.g. paraffin wax or beeswax, the proportion by weight of resin exceeding the wax.  The composition is made by dissolving 4 parts of resin to 1 of wax in benzol or light coal tar naphtha. The coating may be applied by dipping, spraying, or preferably by rubber rollers, and the solvent is entirely evaporated, assisted if necessary by a hot air blast.  The galvanized sheet or strip may be pre-coated with chromic acid, or chromates or phosphates in acid or alkaline solution.
Patent GB-942476-A (GB)
Title: Arrangement of an a.c. horn in vehicles comprising a combined ignition and lighting generator assembly, more particularly low-power motor cycles
IPC: H02K21/22
Filed: 1960-08-31
Abstract: 942,476. Audible signalling apparatus. KREIDLER'S METALL-UND DRAHTWERKE G.m.b.H. Aug. 31, 1960 [Sept. 4, 1959], No.30011/60. Heading G4F. The electric horn 13 of a vehicle, e.g. a motor cycle, having a magnetic flywheel 1 associated with an ignition armature 2 and a lighting armature 3 is connected in parallel with the interrupter contacts 9 in the ignition circuit. As shown, the flywheel assembly comprises ignition primary and secondary windings 6, 7, a lighting winding 4 and a shunt condenser 11 for the interrupter contacts, the horn being connected over an operating contact 14 in parallel with both the primary winding 6 and an ignition control contact 12.
Patent GB-638700-A (GB)
Title: Improvements in and relating to the treatment of carbon to render it more active
IPC: C01B31/26
Filed: 1947-09-10
Abstract: Carbon, e.g. wood charcoal, produced by carbonization of solid carbonaceous materials, is activated by subjecting it to the action of sulphur vapour between 450 DEG  and 550 DEG  C.  The temperature of carbonization may be sufficiently low for the carbon to retain a high volatile content, and the treatment with sulphur vapour may be continued until sulphur ceases to be absorbed.
Patent GB-153255-A (GB)
Title: Improvements in carburettors for internal combustion engines
IPC: F02M7/06
Filed: 1920-10-23
Abstract: 153,255. Holley, G. M. Oct. 27, 1919, [Convention date]. Void [Published under Sect. 91 of the Act]. Spray carburettors.-The main nozzle B is supplied from a constant level chamber D through a passage C which contains a restricted orifice, controlled by a valve E, and is in communication with a well F open to the atmosphere through an aperture K. The nozzle is provided with an inner atomizing tube J open at its lower end to the atmosphere. A nozzle G, for slow running, discharges into a passage H which delivers mixture into the induction pipe on the engine side of the throttle valve.
Patent GB-1100356-A (GB)
Title: Aromatic esters and plasticised vinyl resins
IPC: C07D307/12
Filed: 1966-07-05
Abstract: Halogen-containing vinyl resins are plasticized with a trimellitic ester of the formula <FORM:1100356/C3/1> where R1 represents an alkyl group, a cycloalkyl group, an alkenyl group, a cyclic ether group or a group of the formula X(OR4)mwhere X is alkyl, aryl or aralkyl, R4 is an alkylene group of 2 or 3 carbon atoms and m is an integer and R2 and R3 are the same or different and are each a benzyl or nuclear substituted benzyl group (see Division C2). Examples of compositions containing polyvinyl chloride, and copolymers of vinyl chloride with vinyl acetate, vinylidene chloride and diethylmaleate are furnished.ALSO:The invention comprises a trimellitic acid ester of the formula <FORM:1100356/C2/1> where R1 represents an alkyl group, a cycloalkyl group, alkenyl group, a cyclic ether group or a group of the formula X(OR4)mwhere X is alkyl, aryl or aralkyl, R4 is an alkylene group of 2 or 3 carbon atoms and m is an integer and R2 and R3 are the same or different and are each a benzyl or nuclear substituent benyl group and a process for the preparation thereof wherein trimellitic anhydride is reacted with an alcohol of the formula R1OH and one or more benzyl halides or substituted benzyl halides of the formula R2Q or R3Q where Q is a halogen atom in the presence of a tertiary amine.  Representative of many specific products are isodecyl, tetradecyl, allyl, methoxyethoxyethoxyethyl and 3,5-dimethylcyclohexyl dibenzyltrimellitates.  The products may be employed as plasticizers for halogen containing vinyl resins (see Division C3P).
Patent GB-203574-A (GB)
Title: Improvements in brakes for vehicles
IPC: F16D51/50
Filed: 1922-11-04
Abstract: 203,574. Cocking, W. A., and Hean, W. E. Nov. 4, 1522. Blocks acting on drums; compensating for wear.-In brakes of the kind comprising a pair of shoes within a drum, a, cam disposed between the one ends of the shoes for applying the shoes to the drum and a second cam disposed between the other ends for taking up wear, the second cam is free to slide transversely or float upon the pin by which it is actuated so that the unequal adjustment of the two shoes which is sometimes necessary is provided for. The adjusting cam as shown in Fig. 3 comprises a rectangular plate 20 mounted so as to be free to slide in a diametral slot 19 in the end of the pin 18 which has a bearing in a boss 16 on the axle casing 4. To lock the pin 18 in the adjusted position a serrated washer 27 non-rotatable on the pin is adapted to be engaged by a nut 29 with a serrated plate 25 fixed by a slot 34 and projection 35 to the boss 16. The adjusting cam may instead comprise a piece of flattened tube 33, Fig. 4, mounted free to slide upon the squared end 30 of the pin. The usual operating cam for the shoes is shown at 10, Fig. 1.
Patent GB-658787-A (GB)
Title: Improvements in gutter cleaning apparatus
IPC: A01K1/01
Filed: 1948-11-23
Abstract: 658,787. Step-by-step conveyers. THORNTON, A. A. (James Manufacturing Co.). Nov. 23, 1948, No. 30403. [Class 78 (i)] [Also in Group X] A ratchet-type conveyer for cleaning dairy barn gutters has a reciprocable member 13 positioned within and supported and guided by the gutter, 10, 11, and extending throughout the length of the gutter, a plurality of blades 14 being pivoted upon the member at distances apart less than its stroke, so as to swing into working position against stops 16 on the blades or on the member 13 on movement in one direction and out of working position on the return movement. Member 13 may be freely positioned in the gutter or constrained from transverse movement by guides secured to the gutter. The blades may be pivoted on a vertical axis, as shown, or on a horizontal axis, Fig. 5 (not shown). The member 13 is reciprocated by rod 26 pivotally secured by pin 25 to a bracket attached to one of the links of a chain 23. Member 13 may be a hollow tube with spaced holes by which the gutter may be flushed with water. Litter accumulating in trench 20 may be moved away by another conveyer.
Patent GB-656401-A (GB)
Title: Improvements in and relating to collapsible containers or cartons
IPC: B65D5/02
Filed: 1947-11-17
Abstract: 656,401. Cartons. BROOKE, N., and BROOKE, BOND & CO., Ltd. Nov. 17, 1947, No. 30430. [Class 18] The end of a carton or like container is closed by two flaps 1, 2, extending from opposite walls a, b of the carton, being folded one upon the other, the outermost flap 2 being provided with side pieces 2a which are adhesively secured to the outside of the other walls e, a of the carton. The innermost flap 1 is provided with side pieces 3 which are positioned inside the carton, or it is provided with two side pieces 4, 5 along each of its side edges, one of which is positioned within the carton and the other extends outside to be retained by the side pieces 2a of the outermost flap 2. Alternatively the innermost flap may be creased or corrugated as at 4b so that it extends into the carton and be retained in-position by side pieces 5 which extend'outside the carton. The side pieces of the innermost flap may be of dovetail shape to interlock with recesses in the walls of the carton.
Patent GB-533744-A (GB)
Title: Improvements in pouring nozzles for cans and like containers or receptacles
IPC: B65D47/12
Filed: 1939-11-20
Abstract: 533,744. Cases etc.; stoppers. BRITISH DUPLEX SEALS, Ltd. Nov. 20, 1939, No. 30436. Convention date, March 11. [Classes 66 and 125 (iii)] The pouring nozzle of a can &c. is pro vided with a number of spaced pouring outlets 17 provided with outwardly projecting lips 14 form ing part of a continuous sealing flange 15 adapted tc be engaged by a sealing gasket 22 provided on the closure cap 10. Tc secure the cap in position it is given a partial rotation, lugs 21 projecting inwardly from the skirt 20 becoming engaged with the flat undersurfaces 18 of the outlets 17.