baber/WOPTO huggingface dataset:
Patent GB-871663-A (GB)
Title: Protecting buried ferrous bodies against corrosion
Inventor: KING WILLIAM THOMAS
IPC: F16L58/02
Filed: 1958-06-03
Abstract: 871,663. Preventing corrosion. BRITISH INSULATED CALLENDER'S CABLES Ltd. June 2, 1959 [June 3, 1958], No. 17704/58. Class 123(1) Corrosion of buried ferrous objects, e.g. pipes for conveying liquids or containing electrical transmission systems, is prevented by providing around and immediately adjacent, although not necessarily in direct contact with, the object a layer of material consisting partly or completely of powdered magnesium oxide. The minimum permissable thickness of the layer is 1 inch, a layer of 2 inches being preferable, and when magnesium carbonate is mixed with calcium carbonate or sand or sandy soil the percentage by weight of magnesium oxide should be between 0À4 and 5À0 %. Provided that the moist environment in contact with the pipe is kept at a pH value of not less than 9À5 it is not essential for the layer oontaining the magnesium oxide to be in intimate contact with the pipe. As shown in Fig. 3 a ferrous pipe 1 laid below a main trench in a trough 6 of width and depth equal to the drain &c. of the pipe 1 plus 4 inches is surrounded by a filling of sandy soil containing 1% of magnesium oxide. The main trench is filled with sandy soil 7 to a depth of 3 inches and is then back-filled with excavated soil 8. In an alternative arrangement a ferrous pipe 1, Fig. 1, is provided on its outer surface with a layer at least “ inch thick of greasy or asphaltic compound 2 containing at least 10 % by weight of powdered magnesium oxide and not less than 10% and up to 30% of calcium carbonate. A woven tape 3, impregnated with greasy or asphaltic compound and containing from 5-15 % by weight of magnesium oxide, is helically wound, with overlapping turns, around the pipe 1. The pipe, Fig. 2, is coated with a “ inch layer of greasy or asphaltic compound 4 which contains 20% of powdered magnesium oxide and is enclosed in an impermeable elastomer layer 5. The pipe may be wrapped with woven or felted tape of rovings of textile material impregnated with an asphaltic or greasy compound containing the powdered magnesium oxide.
Patent GB-806599-A (GB)
Title: Improvements in and relating to wrist watch bracelets
IPC: A44C5/08
Filed: 1955-06-20
Abstract: 806,599. Bracelets. ROD1 & WIENENBERGEK, A. G. June 20, 1955 [March 11, 1955], No. 17781/55. Class 43 An expansible and flexible wrist watch bracelet comprises a layer of sleeve members 1 disposed side by side and each extending transversely to the longitudinal direction of the bracelet, with connecting members 2 between adjacent sleeve members, the connecting members 2 being made of resilient wire or strip material with an end portion, 5 disposed along part of one longitudinal edge of the bracelet and two. arms 11, 12 on said end portion extending therefrom into the openings at one end of. two adjacent sleeve members, at least one of the arms of each connecting member extending through one of the adjacent sleeve members and projecting out of the opposite end opening, being then: bent over one end of the transverse wall of the sleeve member toward the other sleeve member, whereby the connecting member is prevented from falling laterally out of the sleeve members. As shown in Fig. 3 the connecting members 2 are substantially in the form of an isosceles triangle with the ends 9, 10 of the sides 11, 12 bent inwardly towards each other into engagement with the ends of the adjacent walls 8 of the sleeves 1. The springs 2 are arranged in two tiers, adjacent springs in each tier being inverted relative to one another and each spring being inverted relative to the springs above or below it. The top and bottom faces 3 and 4 of the sleeves 1 are extended beyond the springs. In a modification, Fig. 7, the springs 2<SP>1</SP> are substantially in the form of a quadrilateral with the longer sides 11<SP>1</SP> thereof concave and one of them cut through mid-way along its length, the connection between the spring and a pair of sleeves being established by providing a longitudinal slot 15 (Fig. 6, not shown), down the centre line of one lateral face 16 of the sleeves and inserting the spring edgewise through the slot The two limbs 23, 24 formed by cutting the spring are engaged over the top and bottom edges of the adjacent sleeve member. Only one tier of interconnecting springs 2<SP>1</SP> is employed and the portions 17 thereof along the longitudinal edges of the upper face of the bracelet are hidden by extensions 22 on the ends of the sleeves.
Patent GB-785756-A (GB)
Title: Improvements relating to tractor vehicles with trailers
Inventor: WHARTON WILLIAM
IPC: B62D49/08
Filed: 1954-06-17
Abstract: 785,756. Couplings for vehicles. WHARTON ENGINEERS (ELSTREE). Ltd. Sept. 16, 1955 [June 17, 1954], No. 17785/54. Class 103(5) An arrangement for connecting a tractor and trailer comprises a piston 12 connected to the trailer draw bar and a cylinder 6 secured to the tractor. When towing is taking place the hydraulic fluid in the space 14 will increase in pressure and cause movement of the valve 29 to the left thereby allowing the fluid delivered by the pump 20 to be directed via passages 18, 30 and 25 to a jack 4 connected to the tractor and trailer above the tow-bar connection. An oleo-pneumatic reservoir 27 is also provided and overload release valves 32, 34 prevent excessive pressures by bypassing fluid back to the reservoir 23. An arrangement is also described for a king- pin connected trailer.
Patent GB-444551-A (GB)
Title: Improvements in the treatment of oils and greases, vegetable and animal, with a viewof obtaining essences, petrols and other derivatives
IPC: C11C3/00
Filed: 1934-06-15
Abstract: Petrols, essences, and heavier oils are obtained by distilling animal or vegetable oils or greases, preferably under reduced pressure, with a catalyst system effecting oxidation, hydrogenation, and dehydration.  5--25 per cent of catalyst relative to oil is used, and the system usually comprises 3lb. of hydrogenating catalyst, 6 lb. of oxidizing catalyst, and 1 lb. of dehydrating catalyst.  Catalysts specified are: tellurium, thallium, rhodium, osmium, palladium, tungsten, thulium, throium, vanadium, chromium, zinc, tin, cobalt, aluminium, gallium, and their oxides and chlorides.  Non-drying or semi-drying oils, e.g. raw oils, almond, cotton, colza, wheat, sesame and soja oils, and vegetable greases, e.g. palm oil and shea butter are preferred for treatment.  Example: raw oil is mixed with a colloidal blend of cobalt chloride as hydrogenating catalyst, oxide of gallium as oxidizing catalyst, and oxide of thulium as dehydrating catalyst, and distilled under reduced pressure for 4--5 hrs.; lubricating oils and the catalysts are separated from the residual coke; the distillate is washed with sodium carbonate solution, and fractionated into petroleum ether, light benzine, kerosene, and heavy oils.  Suitable distilling plant is described.
Patent GB-853098-A (GB)
Title: Preparation of alkyl borate esters
IPC: C07F5/04
Filed: 1959-05-26
Abstract: An alkyl borate ester of the formula B(OR)3, where R is an alkyl radical containing 1, 2 or 3 carbon atoms, is produced by heating a mixture of a boron trifluoride etherate with an alkali metal alkoxide in the presence of an inert solvent, the alkyl radical of the alkoxide being the radical R desired in the product, and the boiling points of the inert solvent and the ester produced differing by at least about 20 DEG  C.  The inert solvent should not either react chemically with or form an azeotropic mixture with the ester.  A hydrocarbon solvent such as xylene, toluene, benzene, cyclohexane, n-decane or pentane is suitable. If the solvent has a b.p. lower than the ester, the reaction may be carried out under reflux and the solvent may be distilled off on completion of the reaction.  If the b.p. of the solvent is higher than that of the ester, the latter may be distilled off continuously as produced and fresh reactants may be added continuously to the reaction mixture.  A boron fluoride diethyl etherate and a sodium alkoxide are the preferred reactants.  Alkyl borate esters enriched in the B10 isotope may be obtained using a boron fluoride etherate enriched in the B10 isotope.
Patent GB-496255-A (GB)
Title: Improvements relating to bolts and like externally screw-threaded members
IPC: F16B39/34
Filed: 1937-06-28
Abstract: 496,255. Self - - locking -bolts &c. SIMMONDS, O. E., and SIMMONDS DEVELOPMENT CORPORATION, Ltd. June 28,1937, No. 17916. [Class 89 (i)] A self-locking bolt, stud, or other externally screw-threaded member is formed in its shank with one or more recesses filled with insets of hard vulcanized fibre or like elastic material, each inset having an arcuate outer side which is of such length that it subtends an angle of at least 90 at the axis of the bolt and which extends beyond the inner edge, but preferably not beyond the outer edge, of the screw-threads on the bolt. According to Figs. 1 and 2, the inset 3 extends completely round the shank 1 and is formed in two parts each having concave sides 5 whereby the inset is keyed into the shank, whilst according to Fig. 4, a one-piece inset 3<1> is sprung into position to extend partly around the shank 1.
Patent GB-1312051-A (GB)
Title: Vinylidene chloride copolymer
IPC: C08J7/052
Filed: 1970-04-15
Abstract: 1312051 Coating A E STALEY MFG CO 15 April 1970 [28 April 1969 21 Oct 1969] 17955/70 Heading B2E [Also in Division C3] A coating composition comprises a latex of a copolymer of (a) 70-95% vinylidene chloride, (b) 0.5-30% of a hydroxyalkyl ester of an alpha-beta ethylenically unsaturated carboxylic acid, (c) 0.3-3% of sulphoalkyl ester of an α, #-ethylenically unsaturated acid, (d) 0-5% of an unsaturated carboxylic acid and (e) up to 29.5% of a different monomer free from acid or hydroxyalkyl groups. In the examples the latices are obtained by emulsion polymerisation using a seed latex from vinylidene chloride and (b) hydroxyethyl acrylate or hydroxypropyl methacrylate (c) sodio 2-sulphoethyl methacrylate, (d) acrylic acid and (e) methyl acrylate. The products are used to coat corona discharge treated polypropylene and unprimed polyethylene.
Patent GB-741282-A (GB)
Title: Improvements in or relating to television time base synchronising arrangements
Inventor: STEPHENSON WILLIAM LAWRENCE
IPC: H04N5/12
Filed: 1951-07-30
Abstract: 741,282. Automatic frequency and phase control systems. MULLARD RADIO VALVE CO., Ltd. Oct. 1, 1952 [July 30, 1951], No. 17973/51. Class 38 (4). [Also in Group XL (c)] A television time-base synchronizing arrange. ment includes a thermionic valve comprising an anode, a screen grid, a control grid and a cathode, pulse trains derived from the sync pulses and from the time base being applied, one to the screen grid and the other to the control grid, or vice versa, their phase difference being indicated by variations in the anode current which are used to control the frequency of the time base. As shown, a triode-pentode valve is used, the sync pulses being applied at terminal 1 through a differentiating circuit to the triode grid 3, the amplified anode pulses being applied through a condenser 5 to the positively-biased screen grid 6 of the pentode valve. Pulses derived from the time-base generator are impressed at terminal 8 on the pentode control grid, and the degree of overlap of the two sets of pulses is reflected in the anode current of the pentode. The resulting variations in the mean anode voltage are applied at terminal 10 to control the frequency of the time-base.
Patent GB-375543-A (GB)
Title: Improvements in lifting truck
IPC: B62B3/06
Filed: 1931-06-22
Abstract: 375,543. Hand-trucks. TRIGGS; W. W., 57, Lincoln's Inn Fields, London.-(Yale & Towne Manufacturing Co.; Stamford, Connecticut, U.S.A.) June 22, 1931, No. 18003.. [Class 108 (i).] In lifting trucks in which the platform is elevated by a steering. and lifting handle connected to the platform by a link arranged in two parts pivoted together so that during the initial part of the lifting the first part of the link pivots freely on the handle but is held rigid relatively thereto during the latter part of the lifting, one of the link parts is pivotally mounted on the handle so as to be rotatable therewith during the steering operation of the handle. The link comprises a part 15 pivoted to the handle at 16 and a part 24 connecting to the platform 2 and pivoted to the part 15 at 26. With the handle 10 in vertical position the part 15 is positioned as shown in Fig. 3 by stops 12, 17, 18, 19 and the part 24 is adapted to be engaged with the part 23 on the platform 2 by a pedal 27. During the first part of the lift the part 15 can move relatively to the handle 10 about the pivot 16 but when the surfaces 20, 21 on the part 15 and handle 10 respectively contact the part 15 remains in fixed angular relation to the handle 10 during the remainder of the lift. A latch is provided to retain the platform in its elevated position. Surfaces 12, 17 and 13, 14 serve to limit the upper and lower positions of the handle 10.
Patent GB-1156089-A (GB)
Title: Window Assembly.
Inventor: MITCHELL JOHN ALAN
IPC: E05F11/38
Filed: 1968-04-17
Abstract: 1,156,089. Vehicle windows and operating mechanism. FORD MOTOR CO. Ltd. 17 April, 1968, No. 18024/68. Headings E1J and E2M. A window assembly particularly for a vehicle for installation in the space between the rear wheel arch 64 and the edge of the quarter panel, necessitating the tilting of the window 49 for accommodlating it when lowered into the body 39, 45 of the vehicle, comprises a frame, a window 49 movable in the frame between open and closed positions, a straight guide member 25 and a curved guide member 27 secured together where they cross (at 28 Fig. 1) and to the frame as by mounting on a plate 1 secured at one side of the window to the frame by screws 3 (Fig. 2) and nuts 63, Fig. 3, and guide rollers 5, 13 guided by guides 27, 25 respectively mounted on the window so that as the window moves between the open and closed positions, the paths of movements of two spaced apart points on the window are not parallel. As shown, guide roller 13 is mounted on a bracket 7 which is fixed to the plate I and roller 5 is secured directly to the plate 1. The operation of the window is by a sheathed flexible cable 33 the sheath of which is fixed to the plate 1 and to the car body and the inner cable driven in known manner has a projection projecting through a slot in the sheath and fixed to a clip 35 fixed to the plate 1, the projection travelling between points A and B. The other side of the window 49 is guided in a U-shaped length of resilient wire, 67 Fig. 6 (section on line B, B Fig. 2) which is fixed by brackets 69, 71 to the inner panel 67 of the vehicle body and except at the web is covered with nylon pile 75. The limbs 73, 75 have a wavy shape and grip the window between the crests 77.
Patent GB-709223-A (GB)
Title: Improvements in or relating to circuit arrangements for producing electrical pulses time-modulated in accordance with modulating signals
IPC: H03K7/08
Filed: 1951-07-31
Abstract: 709,223. Pulse modulation circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. July 31, 1951 [Aug. 4, 1950], No. 18151/51. Class 40 (5) A flip-flop multivibrator 3, Fig. 1, is triggered at the grid of triode 1 by regularly recurring negative pulses S, Fig. 3, fed through condenser 6. The duration of the resultant pulses at the anode e is modulated by a source 7 in the grid circuit of triode 2 and limited to a predetermined maximum by supplying positive trigger pulses Z immediately preceding pulses S. The pairs of pulses Z, S may be produced by passing short rectangular pulses bo through a transformer.
Patent GB-477458-A (GB)
Title: Improvements in valves for outlets of receptacles and operating mechanism therefor
IPC: E03C1/23
Filed: 1936-06-30
Abstract: 477,458. Waste-fittings for baths &c. GROENIGER, W. C. June 30, 1936, No. 18161. [Class 26] [Also in Group XXIX] A waste-valve fitting for baths, sinks, and like receptacles comprises a chamber 24 having upper and lower inlets 15, 24b each connected to and registering with an outlet of the receptacle 10, and a gate valve 14 enclosed in the chamber and movable in inclined guides 21 by a remote operating handle 18 so its uniplanar face effects a shearing action on the valve seat formed on the inlet 15. The chamber 24 which is connected to a trap 25 is composed of screw-threaded tubular sections, the uppermost being of elbow form and screwed to a strainer 23 in the overflow outlet 12. The lower edge of the bottom outlet 11 coincides with the receptacle bottom 10a and has a strainer 13 connected by a screw 19 to a spider 20 in a nipple 16 joining the outlet 11 and the inlet 15. One end of this nipple which comprises screw-threaded parts forms the seat for the valve 14. The rear face of the latter has wedgeshaped wings 14a co-operating with similarly shaped guides 21 which terminate short of the lower edge of the seat 15 so that the valve seats properly in spite of wear. The valve plate 14 is pivotally connected to a link 26 in turn connected to a crank 22a on an operating shaft 22 bearing in the strainer 23. Due to the bend 17a in the link 26, the valve remains open after operation.
Patent GB-497945-A (GB)
Title: Improvements in or relating to the manufacture of embedding masses containing calcium sulphate plaster
IPC: A61K6/027
Filed: 1937-06-30
Abstract: Embedding masses, especially for dental purposes, comprising mainly calcium sulphate plaster and siliceous materials, are modified by the addition of ammonium salts of inorganic acids, e.g. diammonium phosphate, and ammonium chloride, nitrate, sulphate, or pyrophosphate.  The addition has the effect of increasing the expansion on setting and the thermal expansion.  In an example, an embedding mass comprising 800 parts of quartz powder, 312 parts of a semi-hydrate gypsum having the physical properties set forth in claim 1 of Specification 412,988 and 120 parts of plaster of Paris is modified by the addition of 1 per cent of diammonium phosphate or ammonium chloride or nitrate.
Patent GB-843925-A (GB)
Title: Improvements in jigging conveyors
Inventor: MORTIMER NOEL REGINALD FORTESC
IPC: B65G27/00
Filed: 1957-06-07
Abstract: 843,925. Jigging conveyers. VOKES Ltd. June 9, 1958 [June 7, 1957], No. 18265/57. Class 78 (1). The trough 3 of the conveyer is connected to the framework 1, 2 by leaf springs 4, 5, 6 and 7, one end of each spring being attached to the framework by a flexible block 8 and the other end being connected by a rubber-bushed pipe 9 to the opposite side of the trough. Alternate springs have their points of attachment to the framework at opposite ends.
Patent GB-1516474-A (GB)
Title: High strength sn-mo-nb-zr alloy tubes and method of making same
IPC: C22F1/00
Filed: 1976-05-05
Abstract: 1516474 Extruded alloy tube ATOMIC ENERGY OF CANADA Ltd 5 May 1976 [6 May 1975] 18490/76 Heading F2P [Also in Divisions B3 and C7] An extruded alloy tube consists of Sn 2À5- 4À0%, Mo 0À5-1À5%, Nb 0À5-1À5%, O 800- 1300 p.p.m., balance Zr and incidental impurities and has a microstructure comprising hexagonal α grains elongated in the extrusion direction and an acicular transformed # grain boundary phase, the percentages and parts being by weight.
Patent GB-381142-A (GB)
Title: Improvements in electric incandescent lamps, electric discharge devices and the like
IPC: H01K1/66
Filed: 1932-06-30
Abstract: 381,142. Electric incandescent lamps and discharge devices with cut-outs. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London.-(Assignees of Patent-Treuhand-Ges. f³r Elektrische Gl³hlampen; 11, Ehrenbergstrasse, Berlin.) June 30, 1932, No. 18513. Convention date, July 1, 1931. [Class 39 (ii).] In electric incandescent lamps, or electric discharge devices such as enclosed arc lamps, thermionic valves, rectifiers, or X-ray tubes, wherein the parts 7<1>, 8<1>, of the leading-in wires 7, 8 sealed into the pinch 9 of the foot-tube 3 have a coefficient of expansion substantially the same as the coefficient of expansion of the glass of the foot-tube and have a smaller cross section than other parts of the leading-in wire, the part 8<1> of smaller cross section is extended within the foot-tube to serve as a fuse. The leading-in wire may comprise a copper-sheathed nickel-iron wire, of which the portion forming the fuse is about half the diameter of the remainder, or the portion forming the seal wire and fuse may consist of a homogeneous wire, for example of platinum. The portion of a sheathed wire forming the fuse may have the sheath removed locally by melting or erosion to reduce the current intensity at which the fuse blows.
Patent GB-338175-A (GB)
Title: Improvements in or relating to foot attachments for pit props or steel arches employed as colliery or mining roof supports
IPC: E21D11/18
Filed: 1929-06-17
Abstract: 338,175. Darlington Rolling Mills Co., Ltd., and Mensforth, T. June 17, 1929. Mine props.-An end-attachment for steel pit props or for the legs of steel arches, comprises one or more shear members of U-section bolted at one end to a foot-piece or a cap of H-section steel and at the other end to the prop or arch leg, the said shear members having a thin transverse web which is torn by the said prop or arch connecting-bolts when relative movement occurs between the prop and the foot-piece or cap under excessive load. In one form, Figs. 4 and 5, a steel prop 8, of H-section is connected to a footpiece 10 of the same section by two shear members 4, 4. The latter are weakened by thinning the transverse members 11, thereof. The shear members 4 are connected to the end 9 of the prop 8 by a hardened steel bolt 23 which passes through holes 20, 21, 22 in cover-plates 5, the shear members 4, and the prop 8, respectively. A bolt 13 at the lower end connects the shear members with the foot-piece 10 and cover-plates 6. The transverse web 11 of the shear member below the hole 21 is bent over to form a lip 26. When the load on the prop becomes excessive, the end 9 of the prop moves towards the footpiece 10, the motion being resisted by the shear members 4, the thinned webs 11 of which are torn by the bolt 23 while the downward motion of the prop continues. In the modification shown in Fig. 7, the bolt 23 is substituted by a crosspiece 27 and a wedge 30, the remaining parts of the construction being identical with that illustrated in Fig. 4.
Patent GB-704795-A (GB)
Title: Improvements in or relating to control devices for spinning machines
IPC: D01H1/36
Filed: 1951-08-07
Abstract: 704,795. Cams. SIEMENSSCHUCKERTWERKE AKT.-GES. Aug. 7, 1951 [Oct. 16, 1950], No. 18599/51. Class 80 (3) In a control device for spinning machines in which the speed of a driving motor is controlled by a cam disc operating a follower the cam comprises two separate cam discs I, II arranged side by side and relatively adjustable to vary the effective profile. The discs are preferably secured together by a pin which engages in a series of holes in the discs which are spaced on the Vernier principle.