baber/WOPTO huggingface dataset:
Patent GB-273028-A (GB)
Title: Improvements relating to water tube steam boilers
IPC: F22B37/47
Filed: 1926-04-01
Abstract: 273,028. Babcock & Wilcox, Ltd., (Babcock & Wilcox Co.). April 1, 1926. Water-tube boilers; feedwater, supplying and controlling. - A water-tube boiler supplied continuously with feedwater, is fed with supplementary water when the steam generated becomes superheated, the supplementary water being supplied to that part of the boiler where the steam becomes superheated. The supply of feedwater forced upwardly through a number of superposed layers of U-tubes 4, Figs. 1 and 3, connected to headers by a pump 17 is controlled by a thermostatic regulator which operates the feed valve 15 in accordance with the water level in the drum 5 into which the tubes discharge. The feed valve is set to allow water to flow continuously into the tubes. The combustion products from a furnace chamber 3 flow downwardly over the tubes. The in. ternal area of the tubes increases from the bottom to top, and the area of the gas passes decreases from top to bottom of the boiler. Surplus water is returned from the drum through a pipe 19 to the feed tank 20. An upwardly extending bend 23 in the feed pipe between the feed pump and the feed valve prevents the boiler from draining when not in operation. A superheater 6 is placed between upper and lower groups of U-tubes 4. The top header 18<d> of the bottom group is connected to the bottom header of the upper group and to the header 18<c> of an additional set of generating tubes 4<b> arranged in the roof of the boiler. A bent closed ended tube 32 containing a volatile liquid placed in the drum near the steam delivery pipes 4a, 4<1> is connected to a thermostatic regulator 29 operating a valve 27 controlling the supply of supplementary feedwater to the headers 18<a>, 18<b>, 18<c> through a pipe 28<a>. The supplementary feed valve is operated by the relative movement of two flexible U-shaped chambers 33, 35 connected respectively to the tube 32 and to a second U-tube 34 containing volatile liquid and immersed in the water in the drum 5. Chambers closed by flexible diaphragms may be used in place of the U-shaped chambers shown. The supply of supplementary feed may be controlled by a piston 63, Fig. 7, adapted to be moved backwards and forwards in a cylinder 51 over ports 69 by longitudinallv expanding chambers 54, 53 connected to the U-tubes 32, 34 in the steam drum. The feed supply and delivery pipes 26, 28 open into annular chambers 66. 68 around the cylinder.
Patent GB-667646-A (GB)
Title: Adjustable nozzle
IPC: B05B1/04
Filed: 1950-04-11
Abstract: 667,646. Spray-producers &c. GENERAL ANILINE & FILM CORPORATION. April 11, 1950 [April 16, 1949], No. 8898/50. Class 69 (iii). An air nozzle comprises an elongated closed chamber 4 with air inlets 6, 6<SP>1</SP> and an adjustable outlet slot bounded by blades 8, 8<SP>1</SP>, and also with means providing minor adjustment of the blades at points along their length. The blades have slots 9 and slide on arms 10, and are moved transverse and at an angle to the chamber axis by bars 14, 15 secured to a yoke 13 threaded to a shaft 18 carrying a knurled knob 19. One or more sets of bars, knobs, &c., may be spaced along the chamber and operated separately or simultaneously. Slight adjustment of the blades at separate points therealong is effected by eccentric bolts 11, with their shanks fitting within elongated transverse orifices in the arms 10. Slight rotation of the bolts provides minor adjustment of the distance between the blades.
Patent GB-673436-A (GB)
Title: Manufacture of alkylhalogenosilanes
IPC: C07F7/16
Filed: 1950-04-12
Abstract: Alkylhalogenosilanes are prepared by heating an alkyl halide with a contact mass consisting of silicon and a metal catalyst, e.g. copper or silver, characterized by the step of discharging the contact mass from the heating zone as soon as about 90 per cent of the silicon in the contact mass is consumed.  The alkyl halide may then be brought into contact with fresh contact mass. The main product is dialkyldihalogenosilane while alkyltrihalogeno- and trialkylhalogeno-silanes are formed in small proportions.  In the example methyl chloride is reacted with silicon and copper.
Patent GB-808665-A (GB)
Title: Oils containing copolymers
Inventor: AGIUS PETER JOSEPH VERMONT JAM
IPC: C08F222/14
Filed: 1956-03-23
Abstract: A composition comprises an oil and an oil-soluble copolymer of an N-vinyl butyrolactam and at least one copolymerizable organic compound.  The N-vinyl butyolactam is represented by the general formula <FORM:0808665/III/1> wherein R is hydrogen or a C1-C12 alkyl group, but wherein at least one of the R groups must be hydrogen, and R1 is hydrogen or a C1-C12 alkyl group.  The preferred compound is N-vinyl-a -pyrrolidone, i.e. where both R and R1 in the general formula are hydrogen.  Preferred compounds which are copolymerized with the N-vinyl butyrolactam to produce the additive compound are polymerizable unsaturated esters, derived from unsaturated acids or alcohols containing an unsaturated carbon to carbon linkage capable of forming a polymeric linkage when reacted with the lactam; the preferred esters are esters of C3-C8 organic acids such as vinyl acetate.  As copolymerizable compounds there may also be used ethers or hydrocarbons, particularly olefins or polymerized olefins such as ethylene or alkylated styrene.  The composition may be prepared as a concentrate and may be added to mineral oils, particularly lubricating and fuel oils, to vegetable oils or to synthetic lubricating oils, particularly those comprising complex esters or diesters such as di-2-ethyl hexyl sebacate.  The composition may also contain conventional fuel or lubricating oil additives such as oil-soluble sulphonates, metal salts of alkyl phenol sulphides and extreme-pressure, anti-wear and anti-oxidant additives.
Patent GB-1442495-A (GB)
Title: Disc brake with graphite friction shoes
IPC: F16D69/00
Filed: 1974-02-28
Abstract: 1442495 Multi-disc brakes; discs for disc brakes MESSIER-HISPANO 28 Feb 1974 [19 March 1973] 9191/74 Heading F2E A disc brake comprising a rotor co-operating with a stator, has the rotor and stator each formed by a ring of arcuate sectors 2 having cavities containing graphite friction shoes 5, 5<SP>1</SP>, 6, 6<SP>1</SP>, in which at least a portion of at least one shoe 6<SP>1</SP> of each of the rotor and the stator is formed as a roughening element the roughening elements being distributed in such a way that, when the rotor rotates, the roughening elements rub over the whole surface of the shoes of the rotor and the stator. The roughening elements act to retain a good coefficient of friction between the interacting shoes. The Figures illustrate a single sector 2 which may be of metal or graphite and having on each face cavities defined by rims 3, 4 and 3<SP>1</SP>, 4<SP>1</SP>. In the cavity formed, on one face defined by the rims 3, 4 there are inserted respectively a shoe 5 in the form of a complete flat cylinder and a shoe 6 shaped with a cut-out part fitting round the periphery of the shoe 5. In the cavity of the other face defined by rims 3<SP>1</SP>, 4<SP>1</SP>, there are inserted shoes 5<SP>1</SP>, 6<SP>1</SP> of the same general shape as shoes 5, 6. The shoe 6<SP>1</SP> comprises a central disc 7 and a concentric ring devided into a plurality of segments 8 which act as a roughening element. A rivet 10 fixes shoes 5, 5<SP>1</SP> to the sector 2 while shoe 6, disc 7, and the segments 8 are assembled by a rivet 9, a common supporting collar 11 and a conical collar 12. The shoes 5, 5<SP>1</SP>, 6 and disc 7 are preferably made of graphite formed at 2800 C. and purified while the segments 8 are preferably made of a carbon formed at 1200 C. In a disc brake comprising a plurality of rotors and stators roughening elements can be mounted in a plurality of cavities belonging to rotors and/or stators.
Patent GB-1186966-A (GB)
Title: Improvements in or relating to Mobile Accommodation Units.
Inventor: WILLSON CHRISTOPHER ROBIN
IPC: B60P3/34
Filed: 1968-02-26
Abstract: 1,186,966. Collapsible caravans. C. R. WILLSON. 25 Feb., 1969 [26 Feb., 1968], No. 9253/68 Heading B7B. A caravan has a rigid base comprising a floor 10 side walls 15 with out-turned margins 16 and detachable end panels 22 which fit in slots 23-25 in the base member. Slots 26 in the end walls carry longitudinals which support a flexible cover which is laced to hoop-shaped members supported on the base.
Patent GB-1024425-A (GB)
Title: Improvements in calculating devices
IPC: G06G1/08
Filed: 1962-03-12
Abstract: 1,024,425. Slide rules &c. S. H. F. SARL. March 12, 1963 [March 12, 1962], No. 9330/62. Heading G4B. A cylindrical calculator has a proportionating scale comprising the lines 3 joining a circumferential scale calibrated from 0 to 100 and a shorter scale calibrated from 0 to 10 and a cursor 2 with a scale C calibrated identically as the circumferential scale and having two verniers A and B associated with it. The stock also carries an antilogarithm scale L, sin and tan scales and a scale S/T for small angles. The length of the proportionating scale is calibrated along its lower edge from 1 to 10 and 1 to 5 coincidentally, and along its upper edge in percentage reciprocals. The Specification describes how the calculator is used in problems in road making (levels, gradients &c.) and for combinations of the four rules. The scale 5 is similar to the proportionating scale but is calibrated in the squares of its ordinates.
Patent GB-1147129-A (GB)
Title: Improvements in or relating to devices for the heat treatment of metallic articles, more particularly rolled wire
IPC: C21D9/00
Filed: 1968-02-27
Abstract: 1,147,129. Cooling device. HUTTENWERKE OBERHAUSEN A.G, Feb.27, 1968 [March 4, 1967], No.9356/68. Heading C7N. Hot metallic material 1, e.g. rolled wire, is cooled by carrying it on a conveyer 7 through a bed 2 of fluidized heat carrier with a windbox 3 under the floor 4 thereof and fitted with internal cooling elements 10 under and/or over the conveyer, the elements being supplied with a continuous flow of cooling agent e.g. by circuit 11. Preferably the elements extend lengthways and/or breadthways throughout the bed, are elliptical in cross-section with the major axis disposed vertically, and are distributed non-uniformly over the cross-section of the bed so that the edge is more strongly cooled than the middle particularly for fanned-out coils of wire.
Patent GB-1468527-A (GB)
Title: Synchronous switching circuit
IPC: H02M1/084
Filed: 1974-03-01
Abstract: 1468527 Synchronous switching circuits SILEC SEMI-CONDUCTEURS 1 March 1974 [1 March 1973] 9357/74 Heading H2H A synchronous switching circuit for controlling the supply of power to a load (not shown) comprises a thyristor 1 having first and second main electrodes a, b across which an alternating or rectified alternating voltage Vab is applied and a control electrode g between which control electrode and first main electrode a a relatively low control voltage source Vi is connected so that the thyristor only conducts when the voltage between the main electrodes is less than the control voltage. A diode 2 may be connected to the control electrode g or the anode a of the junction gate thyristor which is switched on adjacent each zero value of the supply voltage Vab to control the supply of power to the load. The thyristor may be a cathode gate or an anode gate thyristor or a triac. In a modification, Fig. 4 (not shown), the control voltage is provided by a high frequency oscillator via an isolating transformer and the switching circuit controls a triac connected in series with the load. The switching circuits may also be used in three phase systems.
Patent GB-853348-A (GB)
Title: Rotary hook assembly for a sewing machine
IPC: D05B57/14
Filed: 1958-03-24
Abstract: 853,348. Sewing machines. NECCHI, S. p. A. March 24, 1958 [March 28, 1957], No. 9378/58. Class 112 [Also in Group XXV] In a rotary hook a removable ring which retains the bobbin case holder in position is connected to the rotary body of the hook by a locking , element which can be rotated about an axis co-axial with that of said body for locking or releasing said ring. The bobbin case holder 8 of a rotary hook is journalled in a raceway provided by a circular shoulder 5 at the upper edge of the rotary body 1 and a removable ring 6 which rests on said upper edge. Pins 10, 11 depending from ring 6 pass through grooves 12, 13 in body 1, and are formed at their lower ends with notches 14, 15. A rotatable ring 19, mounted co-axially with body 1, is biased against the lower face of the latter by a spring ring 23. A spring plate 18, fixed to ring 19, is formed with peripheral blades 16, 17 adapted to engage the notches 14, 15, when ring 19 is rotated in the direction of arrow a, to lock ring 6 in position. Blades 16, 17 are bent out of the plane of ring 18, whereby ring 6 is pressed resiliently against body 1 and can thus yield if dirt or thread is trapped therebetween. The loop-taking beak may be provided either on body 1 or on ring 6.
Patent GB-454244-A (GB)
Title: Process for the manufacture of complex double compounds of organic heavy metal mercapto compounds
IPC: C07G99/00
Filed: 1935-03-26
Abstract: Double compounds of heavy metal organic mercapto compounds are prepared by reacting heavy metal compounds of glutathione or their alkali metal salts with organic or inorganic mono-sulphydryl compounds or their salts.  The products possess therapeutic properties.  The heavy metal compounds of glutathione are obtained when glutathione in its reduced form is treated in aqueous solution with the requisite amount of the metallic salt, precipitating with alcohol, and if desired converting it into its alkali metal salt. Examples are given of the interaction of (1) disodium auroglutathione and sodium thiosulphate; (2) disodium auroglutathione and sodium 1-thioglucose; (3) monosodium auroglutathione and glutathione itself; (4) disodium auroglutathione and monosodium glutathione.  The sample furnished under Sect. 2 (5) is prepared by interaction in aqueous solution of monosodium cuproglutathione with monosodium glutathione in equimolecular proportions.  The Specification as open to inspection under Sect. 91 describes also the use of amino-acids or polypeptides containing sulphydryl groups analogous to glutathione and mentions ergothionine.  This subject-matter does not appear in the Specification as accepted.
Patent GB-523095-A (GB)
Title: Improvements in or relating to vibrating devices for sieves, separators, conveyors and the like
IPC: B65G27/20
Filed: 1938-09-24
Abstract: 523,095. Vibrating mechanism for screens, conveyers, &c. DIKANSKY, L. Sept. 24, 1938, No. 9438/40. Convention date, Sept. 25, 1937. Divided out of 523,046, [Group XXX]. [Class 117] [Also in Groups XXIV and XXX] Screening or separating apparatus, conveyors &c. a are supported by springs b and are actuated by a rotary unbalanced shaft x mounted in bearings carried at the mid-points of two leafsprings p. The shaft passes freely through a tubular bush t mounted transversely of. the screen &c. and carrying at its ends radially ex-, tending brackets d which form supports for'the springs. The brackets d are formed on hubs u angularly adjustable on the ends of the bush t to vary the movement of the screen &c.
Patent GB-274394-A (GB)
Title: Improvements in or relating to gas and electric heat radiators
IPC: F24C1/02
Filed: 1927-04-06
Abstract: 274,394. Pell, W. Guy-. April 6, 1927. Resistance ovens. - A radiating-element 1, more particularly applicable to stoves in which at least two such elements are vertically arranged so that the distance between them may be varied, is pivotally supported on an horizontally-movable hollow or tubular member 7, and is also connected to a link 13 which forms with the member 7 part of a quadrilateral linkage constraining the movement of the radiator. In the construction shown, a socket 2 on the bottom of the radiating-element extends through a slot 3 in the bottom of an oven and is rotatably mounted on the end of the tubular arm 7, which is pivoted on a stationary bracket 9. Lugs 10, 12 respectively on the socket 2 and the bracket 9 are connected by a link 13, forming either a parallelmotion system or one giving a definite angular movement to the heat-radiating element, according to whether the lugs 10, 12 are of equal or unequal lengths. The oven wall is formed with a recess 14 into which the radiator can be moved. The electric conductors pass through the bracket 9 and tubular arm 7. Specifications 242,465, [Class 37, Electricity, Measuring &c.], 248,694, and 250,158, [both in Class 126, Stoves &c.], are referred to.
Patent GB-310165-A (GB)
Title: Improvements in petrol lighters
IPC: F23Q2/48
Filed: 1928-03-29
Abstract: 310,165. Dagnall, G. F. March 29, 1928. Pocket igniters, frictional; lighting-torches, non-electric.-A petrol lighter having the usual lighting means, such as flint and wick, has combined with it a detachable torch member. As shown, the torch comprises a. tube F with lock L removably contained in a tubular sheath F1 in the casing and carrying at its upper end the flint wheel D. The wheel D is mounted in a tube D<1> engaging the tube F by means of a bayonet joint E and containing the flint K and flint spring I. To prevent rotation of the tubes D<1>, F in the sheath F<1>, the nib G of the bayonet joint engages a slot in the sheath. With this construction the torch would be lit at the previously lit wick C. It could however be lit by rubbing on a pyrophoric strip on the casng and, further, it could be separate from the wheel D.
Patent GB-569195-A (GB)
Title: Method for effecting catalytic dehydrogenation processes
IPC: C07C5/32
Filed: 1943-06-15
Abstract: 569,195. Catalytic dehydrogenation. SHELL DEVELOPMENT CO. June 15, 1943, No. 9581. Convention date, July 17, 1942. [Class 1 (i)] In the dehydrogenation of sulphur-bearing organic compounds with heavy metal oxide catalysts, the latter before regeneration are treated with water vapour at 500-1500‹ F. to remove sulphur compounds, and after regeneration they are flushed with an inert gas free of oxygen and water vapour. The invention is particularly applicable to the dehydrogenation of butane, butylene, or propane fractions with catalysts comprising chromium oxide and alumina.
Patent GB-559857-A (GB)
Title: cable tension indicator
IPC: G01L5/06
Filed: 1942-07-11
Abstract: 559,857. Tension indicators for cables &c. DEHN, F. B. (Sturgess, Inc.). July 11, 1942, No. 9669. [Class 106 (ii)] Relates to the type in which the tensioned cable is deflected between two support points, the force being measured and consists in applying the force through a leaf spring the deflection of which is amplified. One edge of a flattened body 1 housing the indicating mechanism is provided with spaced cable engaging blocks 4 between which is a pressure applying block 5 mounted on a leaf spring 6 and forced outward against the cable by means of a trigger lever 8. Another lever 9 is provided to lock the indicating pointer in the position reached when the pressure block 5 is released. The blocks 4 are mounted on pivot pins 10 and the lower edges are curved with the pivots as centres, the blocks turning towards each other as the cable is deflected. Spring stop and slot means 11, 12, 13 prevent outward swinging of the blocks 4. The leaf spring 6 is secured at one end to a bracket 15 supported on a pivot pin 14 while an arm 21 freely supported on the pin 14 extends along one side of the spring and carries a pin 17 which extends forwardly over the spring to enter freely a hole in the block 5, so that the latter may be readily detached and changed for another suitable for a different cable. A spring 22 normally pulls on the lever 21 as shown. Parallel to the spring 6 and riveted to it at the free end 18 is a lever strip 19 bent downward at its free end and then horizontally at 19' to overlie an adjustable screw contact 20 passing through a screwed socket in a lever 39 pivoted at 39<SP>1</SP>. This is connected via a pivoted link 36, a sector 33, and a pinion 34 to an indicating pointer. The flat face of the sector is normally engaged by a flat spring 41 to hold the indicating mechanism. The brake is released by turning a cam disc 45 by means of the finger piece 9, the cam sliding a pin 42 to move the brake spring 41. The trigger lever 8 pivoted at 24 and carrying a roller 25 serves to deflect the spring 6 the lever 8 being fitted with a snap-action spring device 56, 28.
Patent GB-553022-A (GB)
Title: Improvements in, or relating to, clevis joints
IPC: F16C11/04
Filed: 1941-07-30
Abstract: 553,022. Hinges and pivots. DUFFIELD, F. W. N., RILEY, P. J. H., and BOWATER, A. T. July 30, 1941, Nos. 9687, 10699 and 14716. [Class 65 (ii)] [Also in Group XXVIII] A clevis joint for coupling rods, such as those used in the braking systems of automobiles, comprises a pin 4 uniting the end 5 of one rod to the forked end 2, 3 of another rod, rattling being prevented by a spring 10 on the pin bearing on the arm 2 and rod 5. In the form shown the spring bears on a cup 8 at its lower end, and at its upper end against a plug 9 screwed into an enlarged hole in the arm 2 through which the pin, spring and cup are inserted. In modifications the head of the pin may screw into the enlarged hole, or be engaged in a bayonet slot therein, and the upper end of the spring may engage in a groove formed around the pin at the underside of the head ; or a dished plate spring may be used. The pin may also be formed with a shoulder resting on the arm 3 of the forked rod.
Patent GB-701082-A (GB)
Title: Contact arrangements for continuous self-baking electrodes in electric furnaces
IPC: H05B7/14
Filed: 1952-04-18
Abstract: 701,082. Furnace electrodes. ELEKTROKEMISK AKTIESELSKAP. April 18, 1952 [April 20, 1951], No. 9762/52. Class 39 (3). In a continuous self-baking electrode having a lower hard-baked zone 1 of electrode material surmounted permanently or periodically by an upper zone 2 of unbaked material and in which metal contact rods 3 are inserted vertically into the top of the electrode for supply of current to the baked zone 1 into which the rods 3 extend, the contact rods 3 are tapered or of reduced cross section at their lower ends and are surrounded above the baked zone by liquid or fusible electrode material, so that when each rod is raised from its lowest position to a higher position in which its tip still just projects below the top of the baked zone, the liquid electrode material will flow down past the contact rod into the hole left in the baked zone. When the rod is raised, a gap ¢-1¢ ins. width is formed between the rod and the side of the hole. The rod is wholly or at its lower end of frusto-conical shape, the conicity of the rod being between 1:3 and 1:24. The upper part of the rod may be cylindrical and carry a close fitting hollow or solid metal cylindrical sleeve 6 which extends partly into the baked zone when the rod is in its lowest position. The outside diameter of the iron sleeve is 1-3 ins. greaterthan that of the cylindrical rod, the bottom of the sleeve being 10 ins. from the tip of the rod. When there is no layer of liquid electrode material covering the baked zone 1, a funnel 7 is placed around the rod on the baked zone and filled with liquid or fusible electrode material, the bottom of the funnel being closed by the electrode surface. On raising the contact rod the liquid or melted funnel contents flow to fill the hole 4 and bake and bond the tip of the rod in the electrode. Specification 590,250 is referred to.