baber/WOPTO huggingface dataset:
Patent GB-991989-A (GB)
Title: Improvements in rope clamps permanently to join rope parts under high pressure
IPC: F16G11/02
Filed: 1963-03-04
Abstract: 991,989. Rope clamps. P. G. ROHLAND. March 4, 1963, No. 8474/63. Heading D1T. A compressible rope clamp of oval cross-section is formed with a thickening 8, 9, Fig. 1, in each of its long sides 4, 5 in the area around the short axis b of the oval, the thickening 8, 9 appearing on both the inner and outer surfaces of each of said long sides. The thickened sides are stated to prevent any tendency towards folding by the long sides when the clamp is squeezed to a substantially circular shape as in Fig. 2 to clamp two rope parts 2 and 3 together.
Patent GB-1004730-A (GB)
Title: A pirn replenishment indicator for automatic looms
IPC: D03D45/20
Filed: 1964-02-28
Abstract: 1,004,730. Bobbin magazines. ELITEX, SDRU ZENI PODNIKU TEXTILNIKO STOJIRENSTVI. Feb. 28, 1964 [Feb. 28, 1963], No. 8529/64. Heading D1E. When bobbins K, in an exchangeable magazine 1, need replenishing a feeler 14 rises and closes a warning light circuit. As a full magazine 1 is slid down guides 3 a roller 21 deflects the feeler 14 and a catch 8 contacts the slidable base 6 of the magazine to form an outlet opening 7 for the bobbins. When the magazine is finally located the roller 21 rises into an opening in the magazine wall and allows the feeler 14 to penetrate through openings 10 in the slidable base 4 and fixed base 5 to contact the bobbins.
Patent GB-884650-A (GB)
Title: Process for the production of esters of thioboric acid and hypothioboric acids
IPC: C07F5/02
Filed: 1960-03-10
Abstract: Thioboric and hypothioboric acid esters are made by reacting an amine-borane with a mercaptan at a temperature between 20 DEG  and the decomposition temperature of the reactants, preferably between 80 DEG C. and 170 DEG C.  Preferably an organic boron sulphur compound of the formula HnB(SR)3-n where n is 0, 1 or 2, and R stands for an aliphatic hydrocarbon radical of 1 to 30 carbon atoms, an aromatic, alkylphenyl, halophenyl, nitrophenyl, alkylphenylether, alkylnaphthyl, halonaphthyl, nitronaphthyl or alkylnaphthyl ether radical, is made by reacting an amine-borane derived from a primary, secondary or tertiary aliphatic amine, aromatic amine, a mixed aliphatic aromatic amine, a cycloaliphatic amine or heterocyclic nitrogen base, with a mercaptan of the formula RSH. p  The process may be effected in an inert solvent such as toluene, xylene, mineral oils, polyethylene glycol dialkyl ethers or an excess of amine-borane.  In examples N-triethylamine borane is reacted with dodecyl mercaptan to form bis (dodecylthio) borane.
Patent GB-1426581-A (GB)
Title: Pressure vessel
IPC: G21D1/00
Filed: 1973-02-21
Abstract: 1426581 Nuclear reactor pressure vessels ATOMENERGI AB 21 Feb 1973 [24 Feb 1972] 8565/73 Heading G6C A nuclear reactor pressure vessel comprises an outer wall 1, a liner 2 and an inner vessel 3 and includes a duct penetrating the vessel wall, the duct comprising an inner tube connected to the vessel 3 and an outer tube connected to the liner 2. In one embodiment (as shown) the inner tube comprises straight portions 5A, 5B at right angles, the portion 5A being connected to the vessel 3 by means of joint parts 7, 8, 21 of which the part 8 embodies a flow-restrictor 20 which acts to limit fluid escape in the event of a rupture of the duct. The outer tube similarly comprises straight portions 4A, 4B which lie co-axial with those of the inner tube. A space 11 between the tubes is gas-filled and includes a flexible flow-restrictor 9 which acts to limit escape of gas from a space 10 between the liner 2 and vessel 3. A further restrictor 12 in the form of a movable ring 12 is provided. The outer tube carries external insulation 14, and cooling conduits 15 are embedded in the wall 1 which is of concrete. Gas in the space 10 is maintained at a pressure equal to that of steam generated in the vessel 3 so as to leave the vessel 3 free of stressing. In a second embodiment (Fig. 3, not shown) the duct comprises a double-walled portion only where it penetrates the concrete wall (22A). The inner vessel (24) is connected to a straight portion (26A) of a single-walled portion of the duct inside the outer wall (22A). A cover (22B) of the vessel is cut away to accommodate a bend in the single-walled portion.
Patent GB-1167413-A (GB)
Title: Improvements in or relating to Fluid Pumps
Inventor: GROWALL WILLIAM HENRY
IPC: F04B53/12
Filed: 1967-02-23
Abstract: 1,167,413. Diaphragm pumps. A.J. PLATTNER [trading as PUMP ENG. CO.], Feb. 23, 1967, No. 8772/67. Heading F1A. A diaphragm pump comprises a pair of diaphragm units 16, Fig. 2, actuated hydraulically by respective piston units 14 driven by a common eccentric, Fig. 3. The diaphragm units draw from a common inlet 139, Fig. 2, via respective hinged valves and deliver to a common outlet 22 via hinged valves 136, housing projections 143' acting to reduce turbulence. When the pressure on the outlet side of the pump exceeds a predetermined level, the cylinders 33 of the piston units 14 are connected together so that the piston units 14 idle, the outlet side pressure acting on a diaphragm (153, Fig. 6, not shown) via connection 143 from valve box 18, and diaphragm (153) actuating a valve (160) to inter-connect cylinders 33. Valve (160) is loaded by an adjustable spring to determine its actuating pressure. Diaphragm (153) also acts to damp delivery pulsations. The pistons 77 Fig. 3 of piston units 14 are connected by a yoke 93 and have follower rollers 91 mounted on cradles 85 pivoted on the pistons, the rollers 91 engaging an eccentric 83 driven through a chain and sprocket reduction gearing. Make-up liquid passes from the drive casing 12 through check valves 107 in the pistons. The diaphragms 117 are clamped to head members 115 by rings 120' and screws 120", and the assemblies clamped to base members 116 by clamping rings 120, which have a wedging action.
Patent GB-756764-A (GB)
Title: Improvements in and relating to electric circuit breakers
IPC: H01H71/74
Filed: 1954-03-25
Abstract: 756,764. Automatic circuit breakers. MECHANICAL PRODUCTS, Inc. March 25, 1954 [April 22, 1953], No. 8807/54. Class 38(5) In a circuit-breaker of the general character disclosed in Specifications 669,656, 690,530, 709,717 and 709,767, the point of engagement of the end 10<SP>1</SP> of the bimetallic latch 10 with an abutment surface 12 formed at the lower end of a plate 14 secured to the actuator plunger 16, is varied by adjusting a screw 28 in the plunger 16 which engages a tongue 14<SP>1</SP> pressed out of plate 14. The latch 10 is connected with a guide plate 20 slidably engaging a wear plate 26 provided on a ledge 22 of the plunger. Alternatively, Fig. 5, the abutment may be in the form of a block 44 movably mounted in a recess 46 in the plunger by a screw 54, axial movement of the screw being prevented hv a keeper 56. In another embodiment, Fig. 6, two bimetallic latch plates 64 have their ends 64' abutting two blocks 62" interconnected by a screw 66 which when turned causes the blocks to move towards or away from each other. A keeper 68 prevents axial movement of the screw.
Patent GB-298856-A (GB)
Title: Improvements in and relating to straining and filtering apparatus
IPC: B01D25/00
Filed: 1928-03-23
Abstract: 298,856. McKean, J. G., and Jones, R. F. March 23, 1928. Strainers comprising grids or gra.tings. - In straining-apparatus of the type in which straining slots are kept clear by blades, which are in prominent engagement with the slots and can be moved from end to end thereof, the straining slots are formed by segmental circular members juxtaposed to constitute a hollow element with a longitudinal inlet gap. Thin segmental strips 1, Figs. 1 and 2, with projecting lugs 4 and separated by spacing washers are mounted in a casing 6 on rods 5 supported by the casing cover 17 and a plate 13. The segments are arranged so that a gap 3, Fig. 2, is formed through which the liquid passes from the inlet 7. After passing through the strainer, the liquid is discharged through a compartment 11 and outlet 8. Blades 22 project into each of the slots formed between the strips 1. The blades are carried on a shaft 16 and are spaced apart by members which have projecting portions adapted to scrape the inner peripheries of the strips 1. The shaft 16 is turned by a handle 30, the travel of which is limited by stop pins 32. Matter retained by the strainer falls into a sludge compartment 9 with outlet valve 34. In the form of apparatus shown in Figs. 5 and 6, the strainer is arranged vertically, sediment falling through a valve 34 into a. chamber 35 having a discharge port and a removable cover plate 37. In a madification, the valve 34, the discharge port, and the plates 37 are not provided, but the sediment settles in the chamber 35 on a plate which is lifted out with the strainer on removal of the cover 17; Members 1. Figs. 8 and 9, may be! cast as a single piece with intermediate ribs 39 and end ribs 40. As, shown in Figs. 10 and 11, the straining wall forms only a short segment of a circle. The members 1 may be magnetized so as to attract matter in the fluid.
Patent GB-1460847-A (GB)
Title: Internal shoe drum brakes
IPC: F16D51/24
Filed: 1974-02-27
Abstract: 1460847 Internal shoe drum brakes; slack adjusting GIRLING Ltd 27 Feb 1975 [27 Feb 1974] 8987/74 Heading F2E In an internal shoe drum brake having a strut 10 of adjustable length disposed between one shoe 1 and a handbrake lever 7 pivoted to the other shoe 2, the strut carries a ratchet nut 12 engaged by a pawl lever 14 pivoted at 15 to shoe 1. The pawl lever is of bell crank form with its other arm bearing against the end of strut 10; the lever is urged clockwise by spring 17 which yields when the resistance of nut 12 to rotation reaches a predetermined level. Spring 17 may be replaced by a leaf spring (Fig. 3, not shown), or disposed between different parts of the lever 14 and shoe 1 (Fig. 4, not shown). In the latter embodiment the return spring 5 (which is of U -form, in Fig. 1), is generally parallel to strut 10 and connected to a rod having its ends disposed in respective apertures in shoe 1 and the pivot of lever 14.
Patent GB-472057-A (GB)
Title: Improvements in and relating to siphon heads for mineral water siphon bottles and similar containers
IPC: B67D1/04
Filed: 1936-03-26
Abstract: 472,057. Siphon bottles. EUGSTER, E. J. P. March 26, 1936, No. 8995. [Class 14 (i)] Means in a siphon head for throttling the discharge of liquid in accordance with the pressure prevailing in the siphon bottle, while leaving an unrestricted waterway for charging the bottle through the head, comprises a sleeve 1 mounted loosely on the discharge valve spindle f and formed with a flange 2 of greater diameter than the waterway c. When the valve e is opened, excessive pressure in the bottle i raises the sleeve against a spring 3, so that the flange 2 closes the waterway c, and liquid is throttled in discharging through the annular passage between the sleeve 1 and spindle f. When charging the bottle through the spout b, the flange is forced down, and the waterway is unrestricted. In a modification, the sleeve 4, Fig. 5, is of double-cone formation, the widest part having a diameter less than the waterway c.
Patent GB-182189-A (GB)
Title: An improved anti-splash device for the wheels of vehicles
IPC: B60B7/00
Filed: 1921-03-24
Abstract: 182,189. Dillon, S. W., Petherick, G. G., and Spinks, S. F. March 24, 1921. Mud-guards rotating with wheels.-A rubber or like flexible band 1 for use at the side of a tyre is reinforced by an embedded metal ring 2. The device may be secured by nuts 10 engaging bolts 8 having heads 9 embedded in the tvre, Fig. 6, or by turn-buttons 15 projecting from plates 12 which are hooked at 13 to engage the wheel rim 16, Fig. 7. The band 1 may be continuous, or in sections with tongue-and-slot end connections.
Patent GB-1048434-A (GB)
Title: Improvements in or relating to electric insulators
Inventor: DEY PHANIBHUSAN
IPC: H01B17/32
Filed: 1964-03-04
Abstract: 1,048,434. Insulators. BRITISH INSULATED CALLENDER'S CABLES Ltd. March 3, 1965 [March 4, 1964], No. 9147/64. Addition to 813,818. Heading H2C. The insulator comprises sheds of, for example, one of the types 2, 3, 4 shown attached by adhesive to a rigid tube 1 of resin-bonded inorganic fibres such as glass fibre and provided with supports 6, 10, for the insulator and for the conductor which are independent of the sheds. The tube may be of longitudinal fibres or a combination of such fibres and lapped tapes. The conductor support 6 and the insulator support 10 may be of insulating or conducting material and may both consist of a boss 7 fitting loosely in the end of the tube, the space between the cap and tube being filled with an epoxy resin. The sheds may be of non-tracking rubbers, for example butyl rubber and ethylene propylene copolymers or they may be of a resinbonded glass fibre material dough-moulded in situ. The tube may be filled with polyurethane or silicone elastomer foam; it may house a lightning arrester element or a spark gap, connections being made through the tube itself. The resin used in the tube manufacture may be coated with a non-tracking material such as silicone rubber.
Patent GB-513063-A (GB)
Title: Improvements in or relating to sorting devices for papers, documents and the like
IPC: B42F17/18
Filed: 1938-03-25
Abstract: 513,063. Filing papers; tabs. HEPPENSTALL. F. March 25, 1938, No. 9189. [Classes 16 and 146 (i)] In a sorting device with a plurality of dividing cards or flaps a each pivotally mounted on a base g with the pivot ends e located in open ended slots e' formed in members f in the base and closed by a removable cover, the cover consists of L-shaped members h, one flange of each member acting as a common closure for a plurality of slots. An indicating label is held under a celluloid window c and a metal frame b may be added. The upturned rests k are provided with rubber stops l. A modified form of card slants out laterally with respect to the base so that alternate indicators can be seen at a glance. Several filing devices may be mounted as a composite piece of apparatus, together with a seat for the operator.
Patent GB-1371231-A (GB)
Title: Rotodynamic pumps
IPC: F04D29/66
Filed: 1971-04-13
Abstract: 1371231 Centrifugal pumps WEIR PUMPS Ltd 12 April 1972 [13 April 1971] 9193/71 Heading F1C Cavitation in a rotodynamic pump at low loads is reduced by withdrawing leakage liquid from the pump casing, and returning it via a cooler to the pump inlet, the heat exchange in the cooler being controlled by a regulator operated by means sensing liquid conditions of the pump whereby the returned leakage liquid is cooled when the pump flow is reduced below a predetermined value. Leakage past the glands and bearing surfaces of a boiler feed pump 1 is collected and returned to the pump inlet 2 via a conduit 10 containing a heat exchanger 11. When the pump discharge flow is low, a flow sensor 15 opens a valve 17 to allow cooling water to flow through the heat exchanger 11 to cool the returning leakage water whereby the temperature of the feed water entering the pump impeller is reduced sufficiently to prevent the occurrence of cavitation within the pump. Instead of the discharge flow, the temperature of the leakage water, which is indicative of the temperature within the pump, may be sensed.
Patent GB-265037-A (GB)
Title: An improvement in or relating to machines for grinding the teeth of gear wheels
IPC: B23F23/00
Filed: 1926-04-08
Abstract: 265,037. Brown &. Sons (Huddersfield), Ltd., D., and Gardiner, R. April 8, 1926. Gear-cutting.-A gear-grinding machine of the type in which rolling movement is imparted to the blank by means of mechanism comprising tapes arranged round a segment having substantially the same pitch diameter as the blank is provided with a master segment block a. which corresponds with the smallest blank to be ground and which may be fitted with one of a series of interchangeable auxiliary segments b when larger gears are to be produced. The block a is formed with faces a<2> adapted to abut corresponding faces on the blank spindle and to be held by screws passing through holes a<3>, the tapes being secured to the cylindrical portion a'. The auxiliary segments may be secured by a dowel pin c fitting in the hole a<4> and by screws passing through holes b<1> in the auxiliary segment and a<5> in the master segment. Instead of a series of auxiliary segments of increasing thickness, the auxiliary segments may be of standard thickness and a number of them may be applied to obtain the required pitch diameter. More than one master segment may be employed on a machine of wide range.
Patent GB-1035337-A (GB)
Title: Improvements in or relating to a plate column for heat and/or mass exchange
IPC: F28F25/04
Filed: 1963-03-08
Abstract: 1,035,337. Plate heat exchangers. O. MONTZ. March 8, 1963 [March 12, 1962], No. 9317/63. Heading F4K. [Also in Division B1] Apparatus for exchanging heat between a downflowing liquid and an ascending gas or vapour comprises a plurality of vertically spaced horizontal trays mounted in a shell, each tray having a plurality of peripheral blades which bear against the inside of the shell. As shown in Fig. 2 each tray comprises a horizontal plate 4 having a peripheral vertical flange 15 in the upper part of which are formed curved blades 17. The latter are made of steel and bear resiliently against the inside of the shell 1. Pipes 2 and 3 are provided for the downward passage from tray to tray of a liquid, the pipes being secured to the top and bottom of a box 10 at the centre of the tray. The box is divided by a sloping partition 14 which directs the incoming liquid into the tray through a lower aperture in one side of the box 10, an upper aperture being provided in the other side 19 of the box so that the side 19 acts as a weir determining the liquid level in the tray. The ascending gas is admitted to the tray to bubble through the liquid therein through tubes 6 surmounted by caps 7 having serrated lower edges and through apertures at the sides of box 10 (Fig. 3, not shown). The gases also pass through the slits formed between the blades 17, these slits being sufficiently narrow to prevent or hinder the passage of liquid therethrough. In the embodiment of Fig. 5 an apron 151 is secured to the flange 15a of the tray and is formed with upper and lower sets of blades 171 which are bent over into contact with the shell 1, a sealing compound 20 being interposed between the apron and shell. The lower set of blades and the sealing compound 20 may alternatively be omitted. In further embodiments a continuous central downcomer tube may be used, the shell 1 may be of glass, several such shells may be assembled in a common housing having inlet and outlet connections and a distributer plate for the liquid, and the box 10 may be replaced by upper and lower superimposed boxes each having a single inlet or outlet aperture (Figs. 8 to 12, not shown).
Patent GB-540623-A (GB)
Title: Improvements in or relating to hand irons
IPC: D06F75/40
Filed: 1940-05-28
Abstract: 540,623. Hand-irons. PRICE, E. E., and PRICE & SON (STAMPERS), Ltd., T. May 28, 1940. No. 9340. [Class 138 (ii)] Irons provided with a rock shaft carrying a pair of arms for supporting the iron in raised position when not in use, and with means for swinging the arms into an inoperative position, have foot portions on the arms extending forwardly and rearwardly of the centre of gravity of the iron. The arms 19 formed with foot portions 21 may be integral with the rock shaft 18 which has cranked portions 20 and is mounted in a strip 15 secured on the body of the iron. The arms and foot portions are normally in the supporting position shown but may be raised when the iron is in use by the operator depressing a thumb-piece 26 on a pivoted lever 22 having slots 29 engaging the cranked portions of the rock shaft. The pivot 23 of the lever is mounted in the rolled over forward end of the strip 15. A spring 31 may bear on the part 25 of the lever 22 to return the parts to normal supporting position.
Patent GB-495025-A (GB)
Title: Improvements in the treatment of cellulosic materials
IPC: D06M13/46
Filed: 1937-04-02
Abstract: Water-repellent properties are imparted to cellulosic material by impregnating it with an aqueous solution of a quaternary salt of the formula R.O.CH2.N.R.1.R11.R111.X. (where R is an aliphatic hydrocarbon radicle of at least 12 carbon atoms, N.R1.R11.R111 is a heterocyclic or aliphatic tertiary amine, and X is a salt-forming acid radicle other than halogen), and heating the impregnated material to a temperature such that the quaternary ammonium salt undergoes decomposition.  The impregnated material is preferably dried at a relatively low temperature, e.g. 40 DEG  C. and then heated to a higher temperature, e.g. 90-150 DEG  C. to decompose the quaternary salt.  Octadecyloxy-or cetyloxy-methylpyridinium sulphite or pyrosulphites obtainable by interacting the appropriate fatty alcohol with formaldehyde and sulphur dioxide in presence of pyridine, may be used.  Other suitable salts are octadecyloxy- or cetyloxy-methyl pyridinium hydrogen oxalates obtainable by treating a methyl alcohol solution of the corresponding chlorides, sulphites, or pyrosulphites with oxalic acid.  Other salts specified are octadecyloxymethyl pyridinium perchlorate, dodecyloxymethyl pyridinium nitrate, cetyloxymethyl pyridinium sulphate, myristyloxymethyl pyridinium acetate, octadecyloxy methyl pyridinium benzene sulphonate, and octadecenyloxymethyl pyridinium nitrobenzoate, all of which may be obtained from the corresponding chlorides, sulphites, or pyrosulphites by treatment with the appropriate acid or a salt thereof.  In examples, plain woven cotton, cotton sheeting dyed with a Chlorazol dye, linen woven fabric, viscose artificial silk woven fabric, and undyed cotton sheeting, are impregnated or padded with an aqueous solution of one of the compounds specified above.  The materials are squeezed, dried in a current of warm air, and then heated at temperatures of 105-140 DEG C. for periods of 2 hours to 5 minutes. The materials are water-repellent and have a soft handle.  Dyed materials have an increased fastness to washing.  Cotton, flax, jute, sisal, hemp, wood pulp, and other vegetable fibrous matter, in yarns or as woven or knitted fabrics, or matted materials such as paper, or cardboard, or regenerated cellulosic material in the forms of filaments, fibres, or films, may be subjected to the treat ment.  Specifications 475,119 and 488,869 are referred to.