baber/WOPTO huggingface dataset:
Patent GB-711617-A (GB)
Title: Manufacture of diazonium compounds
IPC: C09B29/01
Filed: 1951-09-04
Abstract: 711,617. Diazonium compounds. FARBWERKE HOECHST AKT.-GES. Sept. 4, 1951 [Sept. 5, 1950], No. 20882/51. Addition to 699,761. Class 2 (3). [Also in Group IV (c)] The invention of the parent Specification is extended to other aminoazo compounds of the general formula in which one or both of the aryl residues contains or contain at least once the grouping (wherein X and Y each represent an alkyl group) and either or both may contain further substituents. In an example, 4-amino-2 : 5- dimethoxy - 41 - nitroazobenzene - 21 - oxyacetic acid diethylamide is diazotized with hydrochloric acid and sodium nitrite and the product is precipitated with zinc chloride. The diazonium chloride-zinc chloride double salts from 2 - amino - 5 - methyl - 41 - nitroazobenzene - 4 : 2<SP>1 </SP>- bis - (oxyacetic acid diethylamide) and from 4-nitro-2<SP>1</SP>-hydroxy-8<SP>1</SP>-amino- 1 : 1<SP>1</SP> - benzeneazonaphthalene - 2 - oxyacetic acid diethylamide are also described.
Patent GB-358143-A (GB)
Title: Improvements in the extraction of textile fibres from fibrous vegetable materials such as spanish broom and the like
IPC: D01B9/00
Filed: 1930-07-10
Abstract: 358,143. Extracting fibres from spanish broom &c. CALLONI, C., 2, Viale Romagna, Milan, Italy. July 10, 1930, No. 20930. Convention date, July 10, 1929. [Class 120 (i).] In a process foi the extraction of textile fibres from spanish broom and other fibrous vege. table materials the stalks are first treated in a liquid bath for softening the cortex and are then subjected to the action of a jet of steam which strikes endwise on one end and turns back the bark to uncover the wood core. The stems are first treated in a hot soda bath and then are subjected in a treating chamber 1, Fig. 2, to a jet of steam acting longitudinally of the stems. The bundles of stems are clamped near one end by a bridge 2, Fig. 1, at the entrance to the chamber 1, the material outside being supported on a grid 3. The chambers 1 are arranged on the steam generator which is fed by gravity from a water-tank 5 and controlled by a valve 4. The fibres are finally detached from the wood core by shaking in water.
Patent GB-206226-A (GB)
Title: Improvements in or relating to electric transformers, reactance coils and the like
IPC: H02B1/16
Filed: 1922-08-01
Abstract: 206,226. Reyrolle & Co., Ltd., A., and Hanna, W. Aug. 1, 1922. Transformers; inductances; high-potential switches; cases.-A casing or tank for a transformer, reactance coil or the like carries one or more contacts F<1> which move automatically to connect one or more of the windings to earth when the - cover of the casing is opened or removed. The contacts F<1> are mounted on a rod F carried by levers E pivoted to the metal sides of the casing. When the casing is open, the contacts F<1> are held against contacts H carried by the connections to the windings by weights G or a spring E<1>, thereby earthing the windings. When the casing is closed by the lid D, projections D' on the lid engage the ends of the levers E to separate the contacts F<1>, H and break the earthing connections. Specification 122,443, [Class 38 (v), Electric switches &c.], is referred to.
Patent GB-1079436-A (GB)
Title: Improvements in and relating to cap constructions   for pressurised aerosol dispensing containers
Inventor: WHITELOCK DONALD
IPC: B65D83/14
Filed: 1965-05-18
Abstract: 1,079,436. Pressurized dispensing containers. I TO I (PLASTICS) Ltd. March 10, 1966 [May 18, 1965], No.20978/65. Heading F1R. A cap for a pressurized aerosol dispensing container comprises a cylindrical body 3 having a recess 4a, 4b, 4c extending diametrically thereacross. A hole 5 is provided in the bottom wall of the recess through which the container valve actuator projects into the recess. A tear strip 6 is attached to the upper edges of the recess portion 4c.
Patent GB-221798-A (GB)
Title: Improvements relating to bogies for vehicles running on rails at high speeds
IPC: B61F5/38
Filed: 1924-09-05
Abstract: 221,798. Swiss Locomotive & Machine Works. Sept. 10, 1923, [Convention date]. Axle-trucks and bogies. -A bogie for vehicles running on rails at high speeds is characterized by the fact that the connection between the bogie and vehicle frame comprise resilient intermediate members h, i, Fig. 2, bearing against projections f, g and d, e provided in pairs on the bogie or frame or both parts, the projections being arranged in the direction of the rails and in front of and behind the pivot pin c respectively, so that with a turning motion of the bogie out of its mid-position about the pivot pin, forces are generated which act upon the projections and exert a turning moment on the bogie tending to turn the latter into its mid-position, whilst the turning moment disappears when a lateral displacement of the bogie occurs simultaneously with a turning motion of the latter. In Fig. 1 the projections f, g on the bogie and d, e, on the body of the vehicle are maintained in alignment with the pivot pin c by means of springs l, k, Figs. 2 and 3, so that when the bogie tends to " hunt " on a straight track the projections d, e take up the position shown in Fig. 3, and are restored to their normal position by the action of the springs l, k. When the bogie radiates on a curved track so that the pivot c is displaced laterally to the centre line of the body the stops f, g both bear against the intermediate member h whilst both stops d, e bear against the intermediate member i so that no turning moment on the bogie is effected but only a lateral force tending to align the bogie and vehicle body. The projections on one of the two parts, i.e., the bogie or the vehicle frame, and the resilient intermediate member h may be built to form a unitary structure. In a further modification one pair of projections is used in co-operation with two plate springs fixed to the vehicle frame.
Patent GB-441346-A (GB)
Title: Improvements relating to charge-forming devices for internal-combustion engines
IPC: F02M1/00
Filed: 1934-07-20
Abstract: 441,346. Mixing charge. COX, A., Harlech, Warwick Road, Olton, near Birming- ham. July 20, 1934, No. 21227. [Class 7 (ii)] A mixing device adapted to be inserted in the induction pipe comprises a wire-gauze cone b having a large aperture c such that the total area of the aperture, and the spaces between the wires of the cone, is greater than the effective area of the induction passage adjacent the carburetter throttle valve ; the cone may have a cylindrical extension d directed away from the carburetter. The wires of the gauze may be embedded in a lead washer a which is mounted with or without a non-inflammable washer between the induction pipe and either the carburetter or the cylinder block. Alternatively the base flange of the cone may be clamped in a recess in the induction. pipe by an internal sleeve.
Patent GB-355453-A (GB)
Title: Improvements in chains
IPC: F16G13/14
Filed: 1930-07-14
Abstract: 355,453. Chains. VEREINIGTE STAHLWERKE AKT.-GES., 67, Breite. strasse, D³sseldorf, Germany. July 14, 1930, No. 21234. Convention date, Aug. 1, 1929. [Class 24.] The links of heavy chains are protected against the rubbing effect of adjacent links by providing them on the end portions, and particularly on the inside of the loops, with a thin coating of soft metal such as lead, zinc, &c. Preferably the coating is applied and renewed when required by a metal spraying pistol.
Patent GB-436984-A (GB)
Title: Improved stop motion mechanism for weaving looms
IPC: D03D51/00
Filed: 1934-07-20
Abstract: 436,984. Loom shuttle stop-motions. CAMPS, J. P., 16, Via Layetana, Barcelona, Spain. July 20, 1934, No. 21243. [Class 142 (i)] When the shuttle enters the shuttle-box it depresses a curved end 32 of a spring-controlled bar mounted on arms on a shaft 6 arranged beneath the shuttle-box. A lever 5 on the shaft 6 is thereby raised clear of a spring-controlled lever 7 carrying a roller 8. When the shuttle fails to box properly, the lever 7 is turned and the roller 8 moves along a curved part of a spring-controlled bell-crank lever 13 which is thereby lowered and allows a lever carrying a roller 14 to fall. A dagger 15 rigid with the lever 14 then engages a notch in a frog 17 connected to a rod 22 for stopping the loom. The movement of the frog 17 is adjustable by a screw 19.
Patent GB-703357-A (GB)
Title: Mine prop
IPC: E21D15/28
Filed: 1948-08-28
Abstract: 703,357. Pit props. DIRECTIE VAN DE: STAATSMIJNEN -IN LIMBURG. Aug. 28, 1948, No. 21247/50. Divided out of 703,327 under which a Specification was laid open to inspection under 'Sect. 91 of the Acts, March .1, 1949. 'Class 20 (2) Relates to a pit prop locked by-a vertical friction wedge 11 which is carried down with the upper prop member 3 until 'engaged with -a stop '12, the wedge being returned to initial position by a return spring device 13, 16. The wedge 11 is hollow and contains the return spring 13 which is compressed by the pin 16 when it engages the stop 12. The adjustment of the initial position of the wedge and the clamping mechanism are described in Specifications 641,378 and 703,327.
Patent GB-879854-A (GB)
Title: Improvements relating to butterfly valves
IPC: F16K1/22
Filed: 1957-07-05
Abstract: 879,854. Valves. DEWIDELS, J. R., and WEISER, F. P. July 4, 1958 [July 5, 1957], No. 21265/57. Class 135. In a butterfly valve comprising a pivoted butterfly member 2 arranged in a flow passage 1, this passage is enlarged on one side at 4, adjacent to where one part of the butterfly opens from its seating plane 3 in the direction of flow, this enlargement of the passage being of such dimensions as are calculated to produce a substantially straight line opening characteristic for the valve. It is shown that for a diametrally pivoted circular disc butterfly, the said characteristic will result, provided the total instantaneous cross-sectional flow area is that consisting of the area 5 represented by a projection of the semi-area of the disc in its closed position on to a plane normal to the disc in its instantaneous open position, plus the crescent-shaped area 7 represented by the instantaneous opening on the other side of the valve in the axial direction of the passage 1. Accordingly in this case, the contour of the enlargement 4 is formed as shown by the envelope of all radii α equal to r sin E struck from points on the upper edge of the disc in successive angular positions.
Patent GB-880420-A (GB)
Title: Improvements in, or relating to, fluid control valves
Inventor: MORRISON WILLIAM
IPC: F16K11/16
Filed: 1958-07-03
Abstract: 880,420. Valves. A.E.I. BIRLEC Ltd. Oct. 5, 1959 [July 3, 1958], No. 21265/58. Class 135. [Also in Group XIII] A four-way valve comprises a casing divided into two fluid inlet chambers 9, 10 and two fluid outlet chambers 19, 20, two valve members being adapted to control ports in the chambers so as to establish communication between each inlet chamber and to be actuated simultaneously to change over the inlet chamber which is in communication with each outlet chamber. The valve members, which each include poppet valves 34, 35, are coupled to connecting rods 38 each operated by a double-acting pneumatic or hydraulic cylinder 41, the rod being sealed by a bellows 46. In operation, when fluid such as compressed air is fed simultaneously to the end of one cylinder and to the opposite end of the other, the valve members are moved for example into the position shown in Fig. 1, the controlled fluid then passing through an inlet 5 into the inlet chamber 9 and, via the poppet valve 35, through an outlet 22 leading from the outlet chamber 20; at the same time another fluid enters the inlet chamber 10 through an inlet 6 and, via the valve 34, passes through an outlet 21 leading from the outlet chamber 19. After a certain time, the compressed air is fed to the opposite end of the cylinders thereby reversing the position of the valve members so that the direction of the two fluid streams is changed over. In the alternative construction shown in Fig. 4, one operating cylinder 59 is provided and actuates the two valve members through a bell-crank linkage 61a, 62a connected by a lostmotion device 61h, 61e, 65.
Patent GB-754793-A (GB)
Title: Improvements in and relating to thermostats for controlling electric flatirons
IPC: H05B1/02
Filed: 1954-07-21
Abstract: 754,793. Thermal switches. GENERAL ELECTRIC CO. July 21, 1954 [July 23, 1953], No. 21282/54. Class 38(5) A switch, particularly for use in a flatiron, comprises a first leaf spring supported at one end and attached at its other end to a second leaf spring arranged alongside the first spring and carrying a contact at its free end, a bimetal element acting on the second spring. and adjusting means engaging the first spring. As shown, the first spring 22 is secured to a block 18 and is attached at 23 to the second spring 24 which carries a contact 26 co-operating with a fixed contact 27. The latter is surrounded by a magnet 32 acting on a magnetic part 25 attached to the spring 24. The bimetal 33 is mounted at 34 and carries an insulating button 35 bearing on the spring 24. The adjusting means comprise a cam 36 having trunnions engaging in the base plate 16 and the cover 5 of the iron and adjustable by an external knob 41, the cam bearing on spring 22 at a point opposite to the button 35. The plate 16 is arranged parallel to the sole plate 1 with the springs 22, 24 and the bimetal perpendicular thereto. The bimetal may be of the form described. in Specification 487,542. The magnet 32 assists in arc extinction.
Patent GB-243827-A (GB)
Title: Improvements relating to replacers or reversers for railway signals and the like
IPC: B61L21/04
Filed: 1924-09-10
Abstract: 243,827. Siemens Bros. & Co., Ltd., and Baker, E. W. Sept. 10, 1924. Slots, reversers, and like apparatus.-In a replacer or reverser of the kind in which a lever forming the armature of an electromagnet constitutes a coupling member the magnet acts in a direction parallel with that of the force to be counterbalanced thereby. The signal rod 3 carries a casing 1, 2 in which an electromagnet 7 is fixed and its armature 8 is pivoted. The operating rod 4 passes slidably through the casing and carries a casting 18 with a recess in which a roller 21 is mounted. Upward movement of the rod 4 causes roller 21 to bear against a part 16 of the armature at a point 25, Fig. 4, to the left of a vertical line 26 through the armature pivot 12, so that the armature is moved in clockwise direction clear of the roller unless held by attraction of the magnet. If the magnet be de-energized, continued movement of rod 4 does not move the casing, but, if energized, the attracted armature forms an abutment by which the rod 4 moves the casing and the signal rod 3, placing the signal at " clear." On subsequent de-energization of the magnet, release of armature 8 allows the signal to return to " danger " under gravity. Casting 18 carries a projection 23, or, according to the Provisional Specification, a roller, engaging a projection 17 on the armature, on downward movement of rod 4. This serves to return the armature to the attracted position and, with the armature in that position, serves to return rod 3 positively to " danger " position. Clockwise movement of armature 8 is limited by a stop 27. The upper end of casting 18 is formed as a piston 20 with leather packing cups working in a cylindrical part 5 of the casing communicating with the rest of the casing by a duct having a pin valve 28. The arrangement serves as a dashpot damping the return to " danger " of the released signal. The armature 8 may be provided with a buffer action spring.
Patent GB-681409-A (GB)
Title: Electric fan
IPC: F04D29/64
Filed: 1950-08-29
Abstract: 681,409. Making fans. SUTTON CORPORATION, Inc., O. A. Aug. 29, 1950 [Oct. 10, 1949; Oct. 10, 1949], No. 21376/50. Classes 83 (ii) and 83 (iv). [Also in Groups XXIV and XXVI] Spinning.-A cowl for an electric fan comprises two rings 13, 14 which are united by a flange 15 and by a further flange which is spun over by a pair of grooved rollers 53 carried by a shaft 51 which is capable of vertical movement and rapid rotation. The rings are held in a cupshaped holder 44 by three chuck-plates 45 which are forced outwardly against the action of springs 47 by means of a tapered member 48.
Patent GB-968131-A (GB)
Title: Improvements in conveyor apparatus
IPC: B65G23/00
Filed: 1962-06-04
Abstract: 968,131. Endless conveyers. SAPAL S.A. DES PLIEUSES AUTOMATIQUES. June 4, 1962 [June 8, 1961], No. 21428/62. Heading B8A. Groups of articles la, 1b, 1c are transferred from a conveyer belt 2 to a conveyer belt 3, drive to the belt 3 being stopped so long as any article of a group is in the course of being deposited on the belt 3. Irregularities in the alignment of the articles in the same group are thus largely eliminated. As soon as the foremost article of a group interrupts a light beam 22, an electric coupling 13 between an electric motor drive 18 and the belt 3 is disengaged and the belt stops.
Patent GB-475293-A (GB)
Title: A process of and apparatus for graining or embossing leather, artificial leather, paper and similar materials
IPC: B41M1/24
Filed: 1936-08-04
Abstract: 475,293. Coated fabrics; compound fabrics. VEREENIGD INDUSTRIEEL BEZIT VERITEX N. V. Aug. 4, 1936, No. 21491. Convention date, Aug. 2, 1935. [Class 140] [Also in Group XVI] In the embossing or graining of leather, artificial leather, paper, or similar materials by means of a design cylinder and a smooth counter-cylinder, an impression blanket is used comprising alternate layers of a resilient material, preferably rubber, and of a non- resilient material, preferably a strong fabric, the individual layers of resilient material being of the same thickness or a little thicker than the individual layers of non-resilient material. Such a blanket may be made by covering a closely woven and strong fabric of Egyptian cotton with a strongly - adhering coating of rubber of the same thickness as the fabric or a little thicker and winding the coated fabric around a vulcanizing form until the required thickness is obtained, afterwards vulcanizing the blanket. The surface of the blanket running over the counter-cylinder is left unpolished to prevent its slipping relatively to the cylinder. The blanket may be used in the form of an endless band or may be wound directly on the counter-cylinder.
Patent GB-630467-A (GB)
Title: Improvements relating to carding engines
IPC: D01G15/78
Filed: 1947-08-07
Abstract: 630,467. Clearer rollers for carding-engine flats. FAIRCLOUGH, R. Aug. 7, 1947, No. 21495. [Class 120 (i)] A clearer roller having two peripheral portions of card clothing is formed of two curved sheet metal plates carried by two end supports and one or more intermediate supports, each plate extending from one end of the roller to the 'other and arranged helically on the supports and such that a helical space, through which brushes protrude, is left between each pair of adjacent edges of the plate. In the Figs., curved plates A<SP>1</SP>, A' of slightly helical shape are secured to two end supports B and one or more intermediate supports B<SP>1</SP>, carried on the shaft B2. Each plate is formed with a helical groove a midway between its edges. Each support B or B' is formed with two pairs of grooves band b<SP>1</SP>, the pair b corresponding with the spaces for the brushes E' and E<SP>2</SP> and the pair b<SP>1</SP> with the grooves a. The brushes are carried in channel elements e<SP>1</SP> and e<SP>2</SP> which can be adjusted radially by links H and rod J. The card clothing is secured by forming a loop d on each longitudinal edge, inserting said loop in the enlarged portion b3 of the recess b<SP>2</SP> in the supports and passing a rod d<SP>1</SP> through the loop from one end of the roller to the other. The card clothing is tensioned by means of a tensioning strip D<SP>1</SP> and screws d<SP>4</SP> operating in the groove a. A modification provides for four curved sheet metal plates with spaces instead of the helical grooves a.
Patent GB-669265-A (GB)
Title: Improvements in method and means for preserving small doses of biological and like liquids
IPC: A61J1/06
Filed: 1950-09-01
Abstract: 669,265. Ampoules; surgical syringes. CASSOU, R. Sept. 1, 1950 [Sept. 20, 1949], No 21570/50. Classes 81 (i) and 81 (ii). Small doses of a liquid are preserved by filling a vessel with the liquid and filling the orifice thereof by means of a sealing powder capable of forming by contact with the liquid to be preserved an adhering impervious paste or gel and of hardening when in contact with the air. The vessel may comprise a tube 1 made of glass or plastic material and open at both ends. In filling the tube is provided with an aseptic plug of cotton wool impregnated throughout with the sealing powder, which may be a slightly water-soluble glue, gum arabic, a polyvinyl alcohol or gluten flour. The free open end 4 of the vertically held tube is then dipped into the solution to be preserved the liquid being drawn into the tube by suction through the plug 2. The liquid on contact with the plug forms an impervious stopper 6. The free open end of the tube is then dipped into a layer of sealing powder to form a sealing plug 7: According to a modification, the plug 2 consists of a layer of sealing powder held between two plugs of cottonwool. The sealing may be supplemented by further sealing by means of heat or by a coating of paraffin wax. In use, the tube may be operated like a syringe, the second plug being removed and the first plug acting as a piston. The method is particularly suitable for preserving a solution of sperm to be used in the artificial insemination of animals.
Patent GB-687660-A (GB)
Title: Improvements in or relating to detonators
IPC: C06B23/04
Filed: 1949-08-19
Abstract: 687,660. Blasting detonators. DYNAMITAKT.-GES. VORM. A. NOBEL & CO. Aug. 19,1949, No. 21621/49. Class 9(i) Electric blasting detonator having a shell of Cu, brass, Zn, or other material which will not ignite fire damp on detonation contains a secondary charge incorporating 3-20 per cent of an inert substance to which 2-30 per cent of a bromine.compound has been added. Above this charge is a primary charge of lead azide or fulminate of mercury, both charges having been pressed into the shell under a pressure of more than 350 sq. cm. The inert substances are those substances which are neutral to the detonator priming and substances given as suitable include sodium bicarbonate, potassium chloride, lead chloride, lead bromide, calcium carbonate, barium sulphate, barium carbonate, paraffins, waxes and urea derivatives. In an example tetryl was mixed with sodium bicarbonate and potassium bromide.
Patent GB-791900-A (GB)
Title: Apparatus for spraying powders through small holes upon surfaces in a homogeneous layer of adjustable thickness
IPC: B65D83/14
Filed: 1954-07-23
Abstract: 791,900. Powder distributers. GALEAZZI, F. July 23, 1954, No. 21656/54. Class 18. [Also in Groups XXVIII and XXIX] An apparatus for spraying powders comprises a container 1 containing a powder and a highly volatile liquid in which the powder is insoluble, the liquid providing the pressure to eject the powder. The container 1 has an internally threaded neck 3 with a projection 4 on which rests a flanged cup 5 having a hole 6 connected by a tube 7 to the bottom of the container. A mouthpiece 8 is screwed into the neck and carries a spring-loaded slidable button 9, a valve 12 provided with a bore 17 being attached to the button 9. A member 20 of elastic material provides air-tight sealing of the container. On depressing the button 9 the valve 12 is opened and the mixture under pressure passes through the bore 17, arrives at a cavity 18, and is sprayed from a delivery hole 25. The delivery hole may be relatively small since the powder is immersed in the liquid when passing through it, the liquid evaporating before the powder reaches the surface to be sprayed.