baber/WOPTO huggingface dataset:
Patent GB-1499892-A (GB)
Title: Catalyst regeneration apparatus
IPC: B01J38/12
Filed: 1975-01-21
Abstract: 1499892 Fluid catalytic cracking EXXON RESEARCH & ENG CO 21 Jan 1975 [18 March 1974] 29830/77 Divided out of 1499891 Heading C5E [Also in Division B1] A regenerator for stripped spent hydrocarbon conversion catalyst comprises a regenerator vessel 30 which has a circular cross-section, a coaxial standpipe 42 extending into the vessel 30 with an open top 40 so that regenerated catalyst can overflow from the regenerator into the standpipe, a substantially cylindrical baffle 50 disposed around the upper portion of the standpipe so as to bound, radially outwardly, a radially outer zone for containing a first dense bed of fluidizable catalyst up to the top of the baffle and to define with the standpipe an inner zone 58 for containing a second dense bed of fluidizable catalyst, the baffle having at least one orifice 52 below the level of the open top of the standpipe for the passage of catalyst from the outer zone to the inner zone, means 28 for introducing the stripped spent catalyst into the vessel 30 above the outer zone and at a level above the top of the baffle and above the open top of the standpipe, gas inlet means 33 for fluidizing oxygencontaining gas to enter the inner and outer zones, gas outlet means 36 and means 61 for introducing additional oxygen-containing gas into the inner zone to regulate the degree of regeneration of the catalyst in the inner zone. The cylindrical baffle 50 can have a conical top section 54, the central gas outlet 56 of which is shielded from descending catalyst from the catalyst inlet 28 by a deflector 60. As illustrated in Fig. 1 (not shown), the regenerated catalyst passes through the standpipe 42, around a bed and upwardly into a riser cracker (12) in which a hydrocarbon feed (10) is catalytically cracked. The riser (12) opens into a gas-solids disengaging vessel (14) from which spent catalyst is passed by a sloping grid (16) into a stripping zone (22) and through a control valve (26) to the inlet 28 of the regeneration vessel 30.
Patent GB-516278-A (GB)
Title: Improvements in or relating to pneumatically or hydraulically operated electric switch or contactor arrangements
IPC: B60L15/34
Filed: 1938-05-25
Abstract: 516,278. Master control of D.C. motors; actuating controllers. WEST & CO., Ltd., A., JOHNSON, C., and PADDOCK, W. J. May 25, 1938, No. 29969/39. Divided out of 515,150. Addition to 437,462. Drawings to Specification. [Class 38 (iii)] In a fluid-pressure-operated switching arrangement wherein a main valve controlling the supply of fluid to the switch-operating means is associated with a protectve valve operating, for example, in response to overload in the circuit controlled by the switch and effective to open the switch independently of the position of the main valve as described in the parent Specification, the protective valve is located between the main valve and the fluid pressure supply source. The invention is described with reference to a motor controller identical with that forming the subject matter of Specification 515,150, and comprising a number of fluidpressure-operated contactors for establishing accelerating and braking connections. Specifications 509,932, and 515,151 also are referred to.
Patent GB-993297-A (GB)
Title: New polymers, and lubricating oil compositions containing polymers
IPC: C10M145/14
Filed: 1963-07-29
Abstract: An oil-soluble polymer contains units of at least one ester of methacrylic acid and an alkanol, at least one such ester being an ester of methacrylic acid and a primary straight-chain alkanol having at least 34 carbon atoms.  The polymer may be a homopolymer or a copolymer of such an ester with an ester of methacrylic acid and a branched chain alkanol having a molecular weight of 800-2,500 ebullioscopically determined that optionally contains units derived from an ester of methacrylic acid with a C4- 20 alkyl methacrylate. The branched chain alkanol may be derived from polyisobutylene or a copolymer of isobutylene with a -methyl styrene.  The polymers may be prepared by the method of Specification 690,101.ALSO:A lubricating oil contains a small proportion of a detergent polymer, which polymer is a homopolymer of an ester of methacrylic acid and a primary straight chain alkanol having at least 30 carbon atoms (ester A), or a copolymer of at least two such esters A, or of ester A and a minor proportion of a C4- 20 alkyl methacrylate (ester C), or of ester A and an ester of methacrylic acid and a branched-chain alkanol which has a molecular weight of 800 to 2500 ebullioscopically determined (ester B), or of ester A and ester B and ester C.  The branched-chain alkanol is preferably derived from polyisobutylene or a copolymer of isobutylene and a -methyl styrene.  The composition may also contain an alkylated bisphenol of formula <FORM:0993297/C4-C5/1> where R1 is a hydrocarbyl radical, y is an integer from 1 to 4, and X is -S-, -S-S-, -Se-, -S-CH2-, -CH2-S-CH2-, -CHR-, -CR2-, -(CH2)m-, -NH, or -O-, where R is methyl or ethyl, and m is 1, 2 or 3, many such compounds being specified. Further optional additives include partial or full esters of phosphorous, phosphoric, and phosphonic acids or their thio-derivatives, typical being di- and tri-cresyl phosphate and P2S5-terpene reaction products.  The lubricating oil of the composition may be a naphthenic, paraffinic or mixed base mineral oil, a hydrocarbon oil derived from coal, or a synthetic oil, e.g. a dicarboxylic acid diester, an alkyl benzene, or a polyphenyl. Specification 690,101 is referred to.
Patent GB-484665-A (GB)
Title: Improvements in contact printing and reflex copying apparatus
IPC: G03C5/10
Filed: 1936-11-04
Abstract: 484,665. Photographic contact - printing apparatus. FRANCEY, D. Nov. 4, 1936, No. 30078. Convention date, Nov. 4, 1935. [Class 98 (ii)] Apparatus for contact printing and reflex copying has a main casing having a central portion capable of being lowered to press a strip of light-sensitive material into contact with an original or negative laid underneath and is provided with a longitudinal slot for the introduction of the original or negative between the pressure plate of the central portion and the sensitive material. The slot is arranged parallel to the direction of travel of the sensitive material when this is passed between spools in the apparatus. As shown, the main casing 1 has a central recess accommodating a box 2 enclosing lamps 4 and having a transparent pressure plate 3 at the bottom. Spools 6 for the sensitive material and batteries 5, 5<1> for the lamps 4 are mounted in the ends of the casing 1. A slot 8 closed by rubber rollers 9 one of which is resiliently mounted extends along the side of the casing for insertion of the material to be copied. For reflex copying, the casing 1 has a withdrawable base plate 14 so that the box 2 may be pressed down to bring the sensitive material into contact with an original laid underneath it. Downward pressure on the box 2 presses the original and sensitive material into contact and simultaneously closes the contacts 16, 17 for the lamps 4.
Patent GB-212519-A (GB)
Title: Improvements in or relating to automatic hydraulic clutches
IPC: F16D31/08
Filed: 1923-11-29
Abstract: 212,519. Renault, L. March G, 1023, [Convention date]. Void [Published under Sect. 91 of the Act]. Clutches comprise gear wheels 5, 6 mounted in a casing keyed to the driving shaft and meshing with a pinion 7 on the driven shaft, the circulation of liquid being controlled by valves 14, 15, which are actuated by the liquid pressure and by centrifugal force acting through blocks 20.
Patent GB-379555-A (GB)
Title: Manufacture of azo-dyestuffs on the fibre
IPC: C09B31/06
Filed: 1931-10-30
Abstract: Azo dyes are formed on the material by coupling an arylide of 2 : 3-oxynaphthoic acid with a diazotized aminoazo compound of the formula <FORM:0379555/IV/1> in which the benzene nuclei contain no further substituents.  They dye the fibre bordeaux red to claret and violet shades fast to washing, chlorine and bowking.  In examples cotton is dyed by impregnating (1) with the a -naphthylamide and developing with diazotized 4-amino-5-methoxyazobenzene, (2) with the o-anisidide and printing with a paste containing diazotized 5-ethoxyaminoazobenzene.  A table showing the shades produced from various arylides and diazotized 4-amino-5-methoxyazobenzene is given. Specification 310,758, [Class 15 (ii), Dyeing, Processes &c. for], is referred to.  The Specification as open to inspection under Sect. 91 (3) (a) refers also to the formation of the above dyes on a substratum. This subject-matter does not appear in the Specification as accepted.
Patent GB-633471-A (GB)
Title: Improvements in or relating to liquid level indicators
IPC: G01F23/36
Filed: 1947-11-12
Abstract: 633,471. Indicating liquid-levels. LIQUIDOMETER CORPORATION. Nov. 12, 1947, No. 30115. Convention date, Nov. 21, 1946. [Class 123(i)] A liquid-level indicator of the telemetering kind comprises a housing 10 attachable to a tank 16 containing a dangerous liquid the level of which is to be indicated, the housing 10 being divided by partition walls into several compartments in one of which are two relatively movable electric control elements, e.g. a resistance and a movable contact arm. A float in the tank 16 attached to an arm 18 acts through a linkage system to rotate a shaft 42 in a compartment 35, the shaft 42 being connected through a further linkage to the contact arm in the first compartment. Hence the position of the float determines the setting of the rheostat which forms part of a circuit transmitting signals to a receiver. A flexible seal 37 prevents fumes from the tank entering the compartment 35, which has a vent 78. The shaft 42 passes with small clearance through an opening connecting compartment 35 to that containing the rheostat, whereby any explosion in the latter compartment is accompanied by only a slow pressure increase, which can be dissipated through the vent 78, in compartment 35, so preventing damage to the seal 37.
Patent GB-468118-A (GB)
Title: Slit adjustment control by photo-electric exposure meters in photographic focal-plane shutters
IPC: G03B7/04
Filed: 1936-11-05
Abstract: 468,118. Photo-electric exposure control for photographic shutters. ZEISS IKON AKT.-GES. Nov. 5, 1936, No. 30147. Convention date, Nov. 7, 1935. [Class 98 (i)] A combined focal-plane shutter and photo-electric exposure meter has its slit width adjusting means connected with the electrical resistance and the winding means connected with the sliding contact of the resistance, or vice versa, the slit adjusting and shutter winding means being connected by a releasable coupling. The resistance 1 is mounted on the slit-width adjusting disc 2, and the sliding contact 3 of the resistance 1 is secured to the shutter winding knob 4. A coupling pin 6 on the knob 4 can be inserted in bores 7 in the disc 2, the knob being lifted against the action of spring 5. The position of the pin 6 determines the relative angular position of two coupling pins 10, 11, the pin 10 being mounted on the driving disc 9 secured to the knob 4, and the pin 11 being mounted on a gear wheel 12 which is connected through bevel gears 17, 18 to the upper curtain 20 and its shaft 19. The lower curtain 27 is frictionally held by buckles 28 on bands 22 which are connected to the upper band 20 and to the spring urged rollers 24. Above the upper curtain 20 is mounted a catch 29 which engages a nose 38 on the lower curtain. When the blinds are wound by means of the knob 4, the lower blind is retained by the catch 24, and the upper blind moves by an amount determined by the position of the pins 10, 11 to form a slit which moves across the exposure window of the camera. Release of the curtains is obtained by a lever 31 which rotates a shaft 30 to liberate the catch 29. The lever 31 is swung about its pivot 33 by a pin 35 which can be forced downwards through the coupling disc 9, thrust rod 37 and release knob 36, the pins 10, 11, being simultaneously released. The film feed is connected to the disc 2 through gears 42, friction coupling 43 and a free wheel device 45.
Patent GB-997463-A (GB)
Title: Improvements in hand tools
IPC: B25G1/00
Filed: 1963-07-30
Abstract: 997,463. Hand tool handles. J. A. WATKIN. July 30, 1963, No. 30181/63. Heading B4K. A handle for a percussive tool such as a hammer, axe or mallet consists of two parts made of wood or metal joined together by a hinge comprising vulcanized rubber. In one embodiment the joint is formed from a block of rubber, surrounding the two adjacent ends of the handle parts and vulcanized thereto. In a modification a wooden handle is cut into two parts, grooves are cut into both sides of both parts and strips of rubber impregnated fabric are inserted into the grooves on both sides of the handle parts, the strips being riveted into place.
Patent GB-770435-A (GB)
Title: Packaging material
Inventor: REVELL RHYS ALEXANDER
IPC: B65D81/03
Filed: 1953-11-02
Abstract: 770,435. Packaging. LIMEHOUSE PAPERBOARD MILLS, Ltd. Nov. 23, 1954 [Nov. 2, 1953], No. 30216/53. Class 94(1). A material for wrapping articles or filling spaces in containers comprises in one form, Fig. 1, a series of tubular elements 1 of paper joined together by transverse bands 4 and folded end-closure strips 3 secured by adhesive, and filled with cushioning material 2 such as chaff or wood wool. In a second form, Fig. 2, a long tube having sections filled with cushioning material 12 alternating with unfilled sections 13 is folded to form a series of tubular elements 11 which are then secured together by transverse bands 15, the ends of the tube being closed by folded strips 14 secured by adhesive.
Patent GB-1070616-A (GB)
Title: A process for the production of catalysts
IPC: B01J23/31
Filed: 1965-07-16
Abstract: C3-C4 olefines are oxidized to acrolein or methacrolein in the presence of a catalyst consisting of SiO2, MoO3, Bi2O3 and, if desired, P2O5 which has been prepared by gasefying a silicon-oxygen compound and introducing thereinto precursions for the oxides of Mo, Bi and, if desired, P in the form of a fine spray at above 1000 DEG C.  Acrolein is obtained by passing gaseous mixtures comprising propylene, air and steam or water through quartz or chrome-nickel steel reactor tubes containing such catalysts at a temperature in the range 500 DEG  to 540 DEG  C.ALSO:Oxidation catalysts comprising MoO3, Bi2O3 and if desired P2O5 on SiO2 are made by converting a silicon-oxygen compound into the gaseous phase and introducing in fine distribution precursors for the oxides of Mo, Bi and optionally P above 1000 DEG C.  The silicon-oxygen compound is preferably SiO per se, the disproportionation products of Si and SiO2, or the products from SiO2 and C in an electric furnace.
Patent GB-1498567-A (GB)
Title: Device for connecting a flexible band to a rotary winding support
IPC: G09F11/29
Filed: 1976-07-21
Abstract: 1498567 Display devices ETABS CARPANO & PONS 21 July 1976 [29 July 1975] 30384/76 Heading G5C [Also in Division B8M] In a winding display panel, the end of a flexible band 8, e.g. of paper, is secured to a winding support, as at 6, by a flexible tab 10 which at one end 9 is connected e.g. adhesively, to the support and at the other end 11 provides a flat pocket 13, into an open end 14 and between the superimposed faces of which the end 15 of band 8 is inserted and retained. The tab may be of plastic material or a fabric and the pocket 13 permits only slight lateral play of the band therein. The pocket may be openended or completely closed at one end and the opening may be only of sufficient width as to permit entry of the band end; it may be notched or inclined symmetrically or asymmetrically and the edges at the end or of longitudinal slot(s) in one face may be contiguous, overlapping or spaced apart, Figs. 3-8 (not shown). Holes, as at 20, or orifices in the face(s) of the pocket facilitate escape of air during winding.
Patent GB-405422-A (GB)
Title: Improvements in or relating to roundabouts and like amusement apparatus
IPC: A63G1/30
Filed: 1932-10-29
Abstract: 405,422. Roundabouts. CARTLIDGE, A. E., Longmoor Lake, California, near Woking- ham, Berkshire. Oct. 29, 1932, No. 30423. [Class 132 (i).] A roundabout comprises a rotatable frame adapted to carry a plurality of arms arranged in diametrically opposite pairs, each arm being pivoted between its free end and a counterbalancing receptacle disposed at its inner end, the free end of each arm carrying a miniature or other aeroplane to which rising and falling motions can be imparted by the manipulation of controls in the aeroplane by a passenger. As shown, aeroplanes, 1, 2 each having a propeller 21 and wings 3, provided with ailerons are pivotally mounted on pins 4 secured at the outer ends 6 of skeleton arms 7, 8 having rollers 9, 10 running on a track 11. The skeleton arms 7, 8 are pivoted at 16, 17 on a rectangular frame 18 having rollers 19, 20 running on a track supported on a structure 22. A vertical shaft 23 passing centrally through the frame 18 carries at its lower end a worm wheel 24 engaging a worm 25 on a shaft 26 rotated by the steam or gas engine or electric motor 27. On the inner end of the arms are receptacles 32, 33 filled with counterbalancing material. The frame 18 is provided with rollers 36, 37 bearing against a plate 39 secured to a platform mounted on the structure 22. Buffer devices for the inner ends of the arms 7, 8 comprise rods 41, 42 pivoted at 43, 44 to the receptacles 32, 33 and provided with perforated pistons disposed in tubes 45, 46 filled with liquid and the lower ends of which are pivoted at 47, 48 to the frame 18. Each aeroplane may connect to the central shaft or other part of the structure 22 by a rod 47<1>, or may be suspended from its skeleton arm. The counterbalance weights may be adjustable along the arm, and each aeroplane may be maintained horizontal by a pendulum or like mechanism. The position of the aeroplane may be varied laterally by the occupant during flight.
Patent GB-1351223-A (GB)
Title: Vinyl chloride polymer compositions
IPC: C08L23/00
Filed: 1971-06-29
Abstract: 1351223 Tricyclodecane derivatives JAPANESE GEON CO Ltd 29 June 1971 [29 June 1970] 30446/71 Heading C2C [Also in Division C3] The following compounds are prepared: (1) tricyclo(5,2,1,0<SP>2,6</SP>) - 3 - decene - 8 - ol by treating dicyclopentadiene with sulphuric acid under reflux; (2) tricyclo(5,2,1,0<SP>2,6</SP>)-decane-8-ol by hydrogenating the product of (1) in the presence of Raney nickel in ethanol solvent; and (3) the ester of the product of (2) with methacrylic acid.
Patent GB-661742-A (GB)
Title: Method of making shaft-couplings
IPC: F16D3/74
Filed: 1949-11-28
Abstract: 661,742. Universal joints. KARRBERG, R. T. E. T. Nov. 28, 1949 [Nov. 29, 1948], No. 30469/49. Class 80 (ii). In a shaft coupling comprising one-piece elements 1, 2 keyed on the shaft ends and connected by a rubber ring 4 attached to the opposed conical faces of the elements, the keyways 3 in the elements extend from the outer end only so far as annular grooves 6 near the inner ends of the elements. The parts of the coupling are assembled by mounting the elements 1, 2 on a mandrel and them inserting the prepared rubber or vulcanizing the rubber between the elements.
Patent GB-618008-A (GB)
Title: Rotary cutter for use in preparing ring test pieces of rubber and similar materials
IPC: B23B51/05
Filed: 1946-10-14
Abstract: 618,008. Rotary cutters. BUIST, J. M., KENNEDY, R. L., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 14, 1946, No. 30534. [Class 31(i)] A rotary - cutter for cutting ring test-pieces of rubber or the like from the sheet and which can be used in a drilling machine comprises a body portion a having concentric portions b of different radii to which are secured arcuate blades, e.g. razor blades, with their cutting edges inclined slightly to the sheet material, the body portion being mounted for rotation about and axial displacement along a pillar c whose end rests on the material and may be held down by spring pressure.
Patent GB-1529932-A (GB)
Title: Telephone exchange with loop extender facilities
IPC: H04M7/00
Filed: 1976-07-22
Abstract: 1529932 Automatic exchange system INTERNATIONAL STANDARD ELECTRIC CORP 22 July 1976 [28 July 1975] 30605/76 Heading H4K In a common control telephone exchange a pool of loop extenders is provided which is common to a plurality of subscribers. The common control of the exchange examines the COS of the called and calling lines and if the COS indicates that a loop extender, e.g. a booster battery and/or a VF repeater, is needed in the calling line it generates a signal to enable a selected loop extender to be connected to the calling line. Similarly if the COS of the called line indicates that a loop extender is required in the called line, the common control generates another signal to enable another extender to be connected to the called line. The extenders are connected to the lines at a point situated between the switching matrix of the system and the line switches.
Patent GB-630957-A (GB)
Title: Improvements in radio receiving and like apparatus
IPC: H02M7/62
Filed: 1945-11-15
Abstract: 630,957. Supply systems depending on two sources; converting. MERVYN SOUND & VISION CO., Ltd., and NOBBS, W. J. Nov. 15, 1945, No. 30631. [Classes 38 (ii) and 38 (iv)] [Also in Group XL (c)] A battery-operated radio receiving or like thermionic valve apparatus comprises a vibrator and switching means for adapting the vibrator and transformer connections to suit one or two or more possible supply voltages. The Figure shows the supply circuit suitable for a car radio receiver which may be operated from either a 6 or 12 volt battery. A switch 5 with eight sets of contacts is shown in a position suitable for the 6 volt supply. The driving coil L1 of a vibrator V and the filament circuits of valves VI to V5 are connected across the supply. The .primary coil of the H.T. transformer T is in two halves P1 and P2, each of which comprises two sections P1a, P1b and P2a, P2b. For 6 volt operation, the two sections of each half are connected in parallel to the interrupting contact C of the vibrator. For use on the 12 volt supply the switch 5 is operated which connects the two sections of each half of the primary coil in series with each other, and also connects a resistance R3 in series with the coil L1 of the vibrator. The filament circuits of valves 1-4 are changed to a series parallel arrangement and the heater of valve V5 is put in series with a resistance which may also be resistance R3. Choke coils L2, L3, L4 are included to eliminate noise and the dial light of the receiver may be constituted by neon discharge tube N connected across the H.T. supply. Alternatively a plug and socket arrangement may be used in place of the switch to effect the desired changes in connections.