baber/WOPTO huggingface dataset:
Patent GB-1422611-A (GB)
Title: Tubular heat exchangers
IPC: F28F9/06
Filed: 1973-02-22
Abstract: 1422611 Tubular heat exchangers B G A LUND and G J N LIMEBEER 22 Feb 1973 8790/73 Heading F4S A heat exchanger comprises parallel rows of upright tubes 7 each tube being of symmetrical aerofoil cross-section with a cuspate trailing edge, and the noses of tubes in a trailing row of the tubes being positioned between the trailing edges of the tubes in a leading row, and the arrangement being such that passages of substantially constant width along their lengths (e.g. passages of width d and length l, Fig. 5) are formed between the adjacent tubes of such intercallated leading and trailing rows. The relative positioning of adjacent tube rows is such that, for each tube, the passage width d on one side of the tube is substantially twice the passage width d on the other side of the tube. The apparatus is particularly intended for use in a adry cooling tower wherein water flowing through the tubes is cooled by an air stream flowing in direction A transversely over the tubes. To augment heat transfer, a film of water may flow over the tubes to provide an evaporative cooling effect. This water is provided from a trough 17 from which the water is distributed over the tubes by baffles 20-26, Fig. 1 (and 30, Fig. 2). The baffles are of plastics material and have cut-away portions to accommodate the tubes (see Fig. 5). The baffles also act as tube supports. The tubes extend between upper and lower generally similar compound tube plates. Each tube plate consists of two spaced-apart layers of strips (constructed similarly to the baffles 21- 26) the layers providing initially an interspace in which are accommodated tie-bolts 12 and reinforcing rods (13, Fig. 4), the interspace being subsequently filled by cement 14. 15 is a layer of neoprene sealing material. On the lower tube plate the upper layer of strips (31, Fig. 3) is shaped to direct unevaporated water running off the tubes, into a collecting trough (33). The tube walls may be strengthened by indentations (40, Fig. 6).
Patent GB-443989-A (GB)
Title: Improvements in and relating to cabinet bedsteads
IPC: A47C17/48
Filed: 1935-03-21
Abstract: 443,989. Cabinet bedsteads. HALL, W. J., 16, Provost Street, City Road, London. March 21, 1935, No. 8900. [Class 52 (ii)] In a cabinet or like bedstead comprising an inner section 1, an intermediate section 4, and an outer section 5, pivoted together, the three sections are independently supported when extended, and foldable linkwork 18, 19 between the inner and intermediate sections enables a handle connecting the feet 7 to form an extended arm by which the inner section can be lifted to complete the unfolding movement. When in position in the cabinet, the mattress 23a is doubled up in a rectangle consisting of the inner, intermediate and outer members and the foot rest 21, the feet 6, 7 and 8 and linkwork being folded up. When the bed is extended, the bed as a whole is turned about the pivot 2 until the strut 6 bears on the floor and is maintained in an inclined position by its abutment 15. The outer and intermediate members 4, 5 are next turned until the intermediate member is supported by its strut 7 which is similarly maintained in an inclined position by its abutment 16 and linkwork 18, 19. The outer member 5 is then turned down, its strut 8 being held against abutment 17 by spring 22<a>. When folding up, the outer section 5 is first raised. The resistance to folding of the mattress then results in the partial raising of the intermediate section 4. The bar or handle connecting the lower ends of the legs 7 is then raised so that the links 18, 19 assume the angle shown in Fig. 6, further straightening being prevented by a stop between them. The inner section can then be lifted by the handle. In a modification, stops limit the relative angular movements of the pivoted sections 1, 4, 5 to a right angle.
Patent GB-1103471-A (GB)
Title: Improvements in or relating to the securement of faster members
Inventor: WYLDE JOSEPH ROWLAND
IPC: A44B18/00
Filed: 1965-03-02
Abstract: 1,103,471. Releasable fastenings. SELECTUS Ltd. 14, April, 1966 [2, March, 1965], No. 8970/65. Heading E2A. A combination comprises a pair of members 3, 5 each having a surface provided with upstanding filamentary elements, the elements of one member being releasably engageable with the elements of the other relative member and a device 1 arranged to engage the members with the surfaces overlapped so as to hold the members against movement in directions other than the direction in which the elements of a maximum resistance to separation. In the construction shown the upstanding element of one member are hooks constructed in accordance with Specification 721338 and the elements of the other member are loops with which the hooks are engageable. The device 1 is a sleeve which is slidable on one member and which is prevented from release from the member by a metal rod attached to the member which has enlarged end portions 6. One end portion of the sleeve is flared for ease of engagement with the other member. Instead of the elements being hooks and loops they can be elements having ball shaped ends or threads or bristles; the elements can be formed directly on the surface of each member or as shown can have fabric bases 2, 4 which are attached to the members. As shown each member is the end portion of a belt and the element can extend over its length. Instead of the members being held together by a sleeve they can be held together by a pair of plate-like members hinged together and spring urged to engage the members in which case one of the plate like members is secured to one of the members.
Patent GB-748168-A (GB)
Title: Improvements relating to electric plug and socket connectors
Inventor: CAMPION FRANK LEONARD
IPC: H01R33/97
Filed: 1954-03-26
Abstract: 748,168. Lamp holders. B.M.A.C., Ltd. Sept. 7, 1954 [March 26, 1954], No. 8989/54. Class 38 (1). In order to make it difficult to remove a bayonet lamp from a holder 1, a spring- biased plate 4 having slots 9 out of register with the bayonet slots 3 in the holder 1 is mounted on a reflector 2 by legs 5 passing through slots 6, so that in order to insert the lamp the bayonet pins are passed through slots 9 and under plate 4 and the lamp turned until the pins are in register with the slots 3, the lamp being rotated in the opposite direction to remove it. In another embodiment (Fig. 4) a plate 13 has legs 14 which move in arcuate slots 15 in a reflector 16, slots 19 in the plate being normally out of register with bayonet slots 20 in the holder 17. The plate 13 is rotated by the inserted lamp against springs 18 until the slots 19 register with the lampholder slots. When the lamp is in position plate 13 returns to its original position under the influence of springs 18. The lamp is removed as before by disengaging the pins from slots 20 and rotating it so that the pins pass under the plate 13.
Patent GB-142631-A (GB)
Title: An improved car door safety device
IPC: E05F13/04
Filed: 1919-04-09
Abstract: 142,631. Winter, A. K. April 9,1919. Controlling doors electrically and magnetically and by treadles and the like.-Relates to means for arresting the closing movement of a railway or like carriage sliding door when a passenger is passing through the doorway, the main operation of the door being under the control of the guard at the end of the car. The arresting-means comprise a sill plate 7 hinged at 8 and held raised by a spring plunger 15, a toothed rack 9 fixed on the lower edge of the door 5, a spring plunger 12 the upper end of which engages the rack to stop the closing movement of the door but not to prevent the door from being opened, and electrical connexions involving an electro-magnet 13 to raise the spring plunger 12 when the sill plate is depressed and contact made at 14. At the same time, a signal is given to warn the guard. When the passenger steps off the sill plate, the door will be released. The arresting-means are rendered inoperative during the opening movement of the door by a switch arm 40, Fig. 4. The spring 44 holds the switch open, but. in the closing movement of the door, contact is maintained between the end 42 of the switch arm and a contact plate 43 on the door. The plate 43 is of such a length that the arm 40 leaves it at the end of each traverse. By these means, a passenger depressing the sill plate when the door is fully open will not operate the magnet 13 nor operate the signal to the guard. If a passenger keeps his foot on the sill plate, he may be reminded of the fact 'by an indicating-device operated by the guard. In a modification, switch levers 25, 29, Fig. 5, are caused to break circuit by being pressed outwards by the door when nearing the open or closed positions respectively. In a further modification, brushes 41', 42<1> contact with a plate 40' on the door except when the door is in the open or closed positions.
Patent GB-959137-A (GB)
Title: Bolted joint
Inventor: ZENZIC JOHN
IPC: F16B4/00
Filed: 1962-03-08
Abstract: 959,137. Bolts; locking nuts. PAUL R. BRILES Inc., and FRANKLIN S. BRILES Inc., [trading as BRILES MANUFACTURING]. March 8, 1962, No. 9011/62. Heading F2H. [Also in Divisions B3 and B4] A number of members 11, 12 are joined by a headed bolt with a tapered shank portion 18 inserted in a hole 20 through the members, the hole being similarly tapered but having a smaller average diameter so that there is an interference fit of the bolt when it is drawn into the hole by a fastener (such as a serratededge nut 17) when it engages a fastening-(e.g. threaded-) end 16 of the bolt. The bolt-end 16 has an overall diameter no greater than that of the smaller end of the tapered portion 18 of the shank. The bolt may have a pan head, Fig. 5 (not shown), instead of a countersunk head and the other end surface may have a recess 26, Fig. 4, with a serrated circumference for engagement by a tool for holding the bolt from turning when a hollow tool is used to tighten the nut 17. The top 22 of the nut is deformed, Fig. 4, for locking on the bolt and the bottom 23 contains an unthreaded counterbore 24. The nut and bolt are of steel alloy but the nut is softer to avoid torsion and to accommodate itself to an uneven surface.
Patent GB-498735-A (GB)
Title: Improved method of carbon electrode arc welding
IPC: B23K35/30
Filed: 1937-03-30
Abstract: In arc welding with the aid of carbon electrodes, the welding wire used consists of iron containing up to 1,2 per cent of zirconium or up to 0.8 per cent of titanium or both, up to 0,45 per cent of carbon, 0,25-1 per cent of silicon, 0,2-3 per cent of manganese, and not more than 0,06 per cent of sulphur and 0,045 per cent of phosphorus.  Any of the following may also be present: up to 0,4 per cent of vanadium, up to 1,5 per cent of tantalum, up to 0,5 per cent of aluminium, and up to 0,3 per cent of magnesium.  The Specification as open to inspection under Sect. 91 describes also welding wires containing specified ranges of any of the following metals: chromium, cobalt, copper, molybdenum, nickel, and tungsten.  This subject-matter does not appear in the Specification as accepted. Reference has been directed by the Comptroller to British Specifications 193,512, [Class 82 (i)], 447,130, 480,545, U.S.A. Specifications 1,954,296, 1,954,297, and German Specification 612,579.
Patent GB-1037741-A (GB)
Title: Method and apparatus for resistance welding of metal rods
IPC: B23K11/04
Filed: 1963-03-07
Abstract: 1,037,741. Welding by pressure. T. W. SPILHAUG. March 7, 1963 [Aug. 14, 1962], No. 9113/63. Heading B3R. In resistance welding a pair of metal rods, the rods are abutted and cold deformed by axial pressure, current is passed through the rods, current supply means are removed, the joint area is enclosed by a pair of tools and increased axial pressure is applied to deform the joint area. A pair electrodes E, Fig. 1 (not shown), are applied to rods R and axial pressure P is applied to cold deform the rods, current is then applied by the electrodes and the pressure P is reduced and when welding temperature is reached the electrodes are removed and a pair of tools T, Figs. 3, 4 (not shown), are advanced from opposite sides about the weld area. The tools have recesses B in their abutting faces. The pressure P is increased and oxide containing metal flows outwardly from the weld area through the passages formed by recesses B to form burrs G which are then cut off.
Patent GB-709262-A (GB)
Title: Improvements in or relating to lubricating compositions
Inventor: EVANS ELLIOTT ALFRED
IPC: C10M169/00
Filed: 1949-04-04
Abstract: A lubricating composition, which is stable to oxidation and is emulsifiable in water, comprises a mineral oil together with (a) an alkali metal salt of a sulphonated hydrocarbon as emulsifying agent and (b) a polyethylene glycol having a molecular weight of not less than 200 as stabilizer.  The composition is suitable for oiling wool or lubricating machinery operating in the presence of water or water vapour.  Ingredient (a) is preferably a salt of a mahogany sulphonic acid, particularly sodium mahogany sulphonate, while ingredient (b) is preferably the material known under the Trade Name "Carbowax 4000".  Optional ingredients in the composition are one or more alkali or alkaline earth metal soaps of aliphatic carboxylic acids having at least ten carbon atoms, naphthenic acids or rosin acids; chlorinated paraffin wax as an extreme pressure agent; and a fatty oil as an oiliness agent.  In an example, a lubricating composition consists of mineral oil, sodium mahogany sulphonate, "Carbowax 4000", triethanolamine and oleic acid.  According to the Provisional Specification, ingredient (b) is optional or may be replaced by other stabilizers such as polyethylene glycol esters, sorbitan or mannitan or esters thereof, polyethylene oxide derivatives, glycerol mono- or di-esters, sulphonamides, long chain organic sulphates or long chain quaternary ammonium halides; furthermore, ingredient (a) may be replaced by other emulsifying agents such as sulphonated fats, sulphonated alcohols, amines and amine soaps, fatty acids and fatty acid soaps, rosin, rosin oil, tall oil and their soaps.
Patent GB-1220487-A (GB)
Title: Improvements relating to draft-twisting
IPC: D01H1/30
Filed: 1968-02-26
Abstract: 1,220,487. Control of winding-on tension for draft-twisted yarns. GLANZSTOFF A.G. 26 Feb., 1968 [24 Feb., 1967], No. 9189/68. Heading DID. Substantial constancy of the elasticity modulus of draft twisted yarn in a cylindrical yarn package with tapered ends is obtained by regulating the winding-on tension such that only at the start and finish of the winding operation is the winding-on tension at the middle portion equal to that at the reversal points. During the winding of the first  to ¢ (preferably 1/3) by weight of the package the difference between the winding on tension at the middle portion and that at the reversal points is continuously increased, and the difference is then continuously decreased until the finish of the winding operation. Either the winding-on tension at the cylindrical portion is maintained constant with the winding on tension at the reversal points varied, or vice versa, or else both winding on tensions are varied. The maximum difference between the winding on tensions is from 1/3 to 9/10, preferably ¢ to 4/5, of the winding-on yarn tension in the middle portion. The alteration of the winding on yarn tension is effected by varying the spindle speed and/or the drafting delivery speed.
Patent GB-287863-A (GB)
Title: Improvements in confection implements
IPC: A23G9/28
Filed: 1928-03-26
Abstract: 287,863. Kick Products Corporation, (Assignees of Wilson, W. E.). March 26, 1927, [Convention date]. Cutting-apparatus. - An appliance for filling paper, pastry, &c. containers with ice cream &c. comprises two similar channelshaped members hinged together forming a hollow die adapted to hold the container and to be inserted into a mass of the material to fill the container. As shown, the appliance comprises a pair of hollow hemicylindrical members A, B connected by a hinge and furnished with handle portions 10. The container is supported by a flange 7 below which is formed a tapered cutting-edge 5. An exterior flange 6, below the hinge, limits the penetration of the device into the material. To facilitate escape of air and severance, of a charge of material, a pair of sharp-edged lugs 8 are provided beneath the flange 7. In use, a container is inserted and the parts A, B closed together, after which the device is inserted repeatedly into the mass of material and given a slight turn. Smaller containers are filled by the use of a packing-block D, Fig. 4.
Patent GB-472685-A (GB)
Title: Improvements in or relating to the laying of channel flaps in shoe soles
IPC: A43B13/32
Filed: 1936-03-28
Abstract: The channel-flaps and channel-base of shoe soles are treated with a solution of polymerized chloroprene in an organic solvent, and secured by pressure for instance in a machine described in Specification 339,739, [Class 17 (i)].  The operation may be effected with the leather in temper.  Preferably the polymerized chloroprene is freed from malodorant for instance as described in Specification 468,435, [Group IV].  A suitable adhesive solution comprises deodorized chloroprene polymer, wood rosin, magnesia, zinc oxide, sulphur, phenyl-b -naphthylamine, tetramethyl-thiuram monosulphide, benzene, and trichlorethylene; the ingredients (except sulphur and solvents) may be milled together and then dissolved with the sulphur in the solvent mixture.  Preferably the tetramethyl - thiuram monosulphide is added to the composition not long before use. Alternatively the adhesive may consist of the polymer and solvent alone.  Instead of the wood rosin there may be used gum rosin, cumar resin (a synthetic resin of the para-coumarone para-indene type) or other natural or synthetic resin.  The magnesium and zinc oxides may be omitted or replaced by equivalent material.  The phenyl-b -naphthylamine may be omitted, and the tetramethyl-thiuram monosulphide may be omitted or replaced by another accelerator. Other solvents may be employed such as carbon tetrachloride, toluene or xylene. Specifications 387,325, [Group IV], and 387,363 also are referred to.ALSO:The channel flaps and channel base of shoe soles are treated with a solution of polymerized chloroprene in an organic solvent, and secured by pressure, for instance in a machine described in Specification 339,739, [Class 17 (i)].  The operation may be effected with the leather in temper.  Preferably the polymerized chloroprene is freed from malodorant, for instance, as described in Specification 468,435, [Group IV].  A suitable adhesive solution comprises deodorized chloroprene polymer, wood rosin, magnesia, zinc oxide, sulphur, phenyl-b -naphthylamine tetramethyl-thiuram monosulphide, benzene, and trichlorethylene; the ingredients (except sulphur and solvents) may be milled together and then dissolved with the sulphur in the solvent mixture.  Preferably the tetramethyl thiuram monosulphide is added to the composition not long before use. Alternatively the adhesive may consist of the polymer and solvent alone.  Instead of the wood rosin there may be used gum rosin, cumar resin (a synthetic resin of the paracoumarone-para-indene type) or other natural or synthetic resin.  The magnesium and zinc oxides may be omitted or replaced by equivalent materials.  The phenyl-b -naphthylamine may be omitted, and the tetramethylthiuram monosulphide may be omitted or replaced by another accelerator. Other solvents may be used such as carbon tetrachloride, toluene or xylene.  Specifications 387,325, [Group IV], and 387,363 also are referred to.
Patent GB-566189-A (GB)
Title: Luminaires
IPC: H01J61/35
Filed: 1943-06-09
Abstract: 566,189. Electric light fittings. HOLOPHANE, Ltd. (Holophane Co., Inc.). June 9, 1943, No. 9269. [Class 75 (ii)] In a luminaire having a long light source, such as fluorescent lamps 20 arranged above a prismatic plate 11, the area of the plate appear. ing bright to an observer stationed in a region towards which the dominant rays are directed is increased by forming the central portio.i 16-16 of the upper surface of the plate with V-shaped ridges 27 whose right-hand faces divert light rays such as 28-32 into a substantially parallel beam inclined at approximately 45 degrees from the nadir and whose left-hand faces divert light rays such as 33-37 into a substantially parallel beam inclined at approximately 45 degrees from the other side of the nadir. The outer portions of the upper surface are formed with regressed prisms, the active surfaces of which divert light ra,ys such as 23-25 into beams also inclined at 45 degrees from the nadir. The lower surface of the plate 11 may be provided with flutes and, in order to diminish the high angle diffused light, the flutes of the central portion 15-16 may consist of cylindrical portions 44, Fig. 4, on the side remote from the light source and plane portions 46 tangential to the portions 44 or portions of a greater radius of curvature on the side nearer the light source. The light rays 38-42 instead of emerging as a parallel beam emerge as rays 38a-42a ranging from 38 to 60 degrees from the nadir, a greater proportion being deflected upwardly than downwardly.
Patent GB-1139899-A (GB)
Title: Apparatus employing gas bearings
Inventor: GARRETT MICHAEL ERNEST
IPC: F01D25/22
Filed: 1965-03-04
Abstract: 1,139,899. Bearings. BRITISH OXYGEN CO. Ltd. 1 March, 1966 [4 March, 1965], No. 9328/65. Heading F2A. A shaft bearing assembly comprises a guard ring 15 separating one end of a gas bearing 2 from a chamber 11, the ring having two axially spaced annular pockets 16, 17, pocket 16 adjacent the bearing being maintained at a pressure not exceeding that producing bearing failure, and pocket 17 adjacent the chamber being maintained at the pressure of the chamber. The pockets are connected to gas lines 20, 21 and pressure regulators. Alternatively flow measuring controls are used. In a turbine a guard ring is provided adjacent the rotor 5 (not shown) and/or the brake 8.
Patent GB-374980-A (GB)
Title: Improvements relating to wireless telegraph receivers
IPC: H04B1/16
Filed: 1931-03-27
Abstract: 374,980. Wireless receiving systems; valve amplifying circuits. SIEMENS BROS. & CO., Ltd., Caxton House, Tothill Street, and REED, M., 37, Westbank, Stamford Hill, both in London. March 27, 1931, No. 9365. [Class 40 (v).] In a heterodyne receiver for wireless telegraphy, a circuit LC resonant to the beat frequency is connected to the anode of a rectifying or amplifying valve V through a variable condenser K which allows the selectivity factor of the receiver to be adjusted. Phones or a further amplifier may be connected at the terminals AR across the whole or part of the inductance L. The condenser K may be of the ordinary type, or may as shown comprise a differential condenser so that its adjustment may not affect the tuning of the circuit LC.
Patent GB-1107146-A (GB)
Title: Compositions and processes for electroless nickel plating
IPC: C23C18/36
Filed: 1967-02-28
Abstract: An electroless nickel plating composition using hypophosphite ions as a reducing agent has 0.25 to 70 g./1. of a hydroxy-propane sulphonic acid. A bath contains (grams/litre) NiSO4-6H2O 20, NaH2PO2-H2O 30, hydroxy acetic acid 28, 3-hydroxy-1 propane sulphonic acid 5, NH4OH to pH 4.5 to 5.0.  Lead chloride may be added as a stabilizer.