baber/WOPTO huggingface dataset:
Patent GB-481460-A (GB)
Title: A system for artificially lighting rooms while preventing the passage of light rays from the room
IPC: F21V9/08
Filed: 1937-02-10
Abstract: 481,460. Transparencies. BLOM, A. V., and SCHNYDER, H. Feb. 10, 1937, No. 3937. Convention date, Dec. 28, 1936. [Class 20 (iii)] [Also in Group XI] In a system for artificially lighting rooms while preventing the passage of the artificial light rays from the room, suitable as a defensive measure during air-raids, use is made of a source of artificial light which emits substantially but not exclusively monochromatic light, and of windows of a colour complementary to that of the light source, the colours being so chosen that in day-time the incident daylight is not unduly absorbed by the window panes. Orange-red or violet coloured incandescent lamp bulbs may be used, respectively, with light blue or greenish-blue coloured window panes. The bulbs and panes may be coloured by lacquering, or by using glass which has been coloured in the melt, colourless bulbs may be'screened by coloured lampshades or hoods, or coloured foils may be arranged on or behind colourless window panes.
Patent GB-305581-A (GB)
Title: Contact-preventing devices for electric incandescent lamps
IPC: H01R33/965
Filed: 1929-02-06
Abstract: 305,581. Brammer, B. Feb. 7, 1928, [Convention date]. Bulbs; gaps. -A device to shield the conductive parts while a lamp bulb is being screwed into a holder comprises an insulating collar 2 at the base of the cap 4. The collar may be removably fitted or permanently attached to the cap or to the stem-tube, or may be formed as an integral part of the bulb as shown in Fig. 4.
Patent GB-865883-A (GB)
Title: Gasholder seal
Inventor: SWICK JOHN M
IPC: F17B1/04
Filed: 1960-02-04
Abstract: 865,883. Gas holders. PITTSBURGH-DES MOINES STEEL CO. Feb. 4, 1960, No. 3974/60. Class 54. A seal for the piston 15 of a-gas-holder 10 comprises a pair of liquid-filled flexible members 35, 36 and a horizontally ribbed band 25 of reinforced synthetic rubber connected to the piston at 27 and 28 and enclosing between the two members 35, 36 and the piston a gas chamber 53. The members 35, 36 are partly supported by brackets 22, 23 and partly by the band 25 and an additional band 30, respectively. Filling points for each of the members 35, 36 are provided at two points and comprise a flexible hose extending through a bent and capped pipe into the interior of the piston; the filling liquid may be water or a hydrocarbon such as kerosene. Four spaced conduits 50 may connect the chamber 53 to the space below the lower wall 21 of the piston, so that the chamber is filled with gas at the same pressure as that in the holder, or to an outside source of higher pressure.
Patent GB-1504833-A (GB)
Title: Document handling apparatus and trays therefor
IPC: A47B63/00
Filed: 1976-02-02
Abstract: 1504833 Filing trays STEELCASE Inc 2 Feb 1976 [16 April 1975] 04065/76 Heading B6E A filing tray comprising a bottom wall 27,. Fig. 2, a back wall 29, Fig. 3, a side wall 28 and hooks 44, 44a, for suspending the tray from hooks 18 on a panel 10, is provided with an insert 30 of larger size than the side wall 28 to extend above the height of the side wall and accommodate sheets of larger size. The insert is secured against the side wall by a hook 36 which is passed through an opening 51 in the back wall 29 for engagement with the depending portion thereof.
Patent GB-692736-A (GB)
Title: Improvements in or relating to revolving barrel locks
IPC: E05B29/00
Filed: 1951-02-20
Abstract: 692,736. Barrel locks. DEGEN, A. A. C. Feb. 4, 1952 [Feb. 20, 1951 ], No. 4120/51. Class 44 In a revolving barrel lock having tumblers housed transversely in the barrel, the tumblers normally projecting beyond the barrel.into engagement with a housing in which the barrel rotates and being retractable into the barrel by insertion of an appropriately contoured key, all the tumblers are identical in size and shape and are adapted to be adjusted within the barrel by the pre-insertion of a contoured control member, so that the tumblers will be retracted into the barrel only when a key having a contour complementary to that of the'control member is inserted in the lock. In the arrangement shown, in which tabs 16 on sliding spring-loaded tumblers 13 in a barrel 10 co-operate with diametrically arranged slots 12 in a casing 11 and in which each of the tumblers is slidable in a compartment formed by partitions dividing a slot 14 passing through the barrel, a floating lever 20 is pivotally mounted on each tumbler 13, one end of the lever bearing against a contoured control member 23 which is slidably received in a slot 22 in the barrel and the other end bearing against an intermediate sliding member 24 having a lug which projects into the path of a key slot 27. Each tumbler 13 is formed with a slot 28 to permit passage of a key 29 through the slot 27 and to permit movements of the tumbler. In operation, insertion of key 29 displaces the members 24 which rock the levers 20 and so effect displacement of the tumblers in dependance upon the contours of the key and the control member. The latter is inserted from the rear of the barrel and is retained by a removable locking plate on the end of the barrel. In a modification, the member 24 may be omitted. In further modifications, the pivot for the lever 20 may be at one end hereof, the other end of which is engaged by the key, the control member then engaging an intermediate point on the lever, or alternatively the lever may be pivotally mounted at one end on the tumbler, the other end being engaged by the control member and the key or intermediate member engaging a mid-point on the lever. In a further modification, the lever may be pivoted on the intermediate member to engage a projection on the tumbler and to also engage the control member.
Patent GB-1171803-A (GB)
Title: Water-Insoluble Azo-Dyestuffs and process for their manufacture
IPC: C09B31/147
Filed: 1967-01-27
Abstract: 1,171,803. Water-insoluble azo-dyes. FARBWERKE HOECHST A.G. 27 Jan., 1967 [27 Jan., 1966], No. 4245/67. Heading C4P. The invention comprises water-insoluble mono- and dis-azo dyes of the formula wherein D represents a radical of the benzene or azobenzene series which may be substituted on the aromatic nucleus by one or more non- water-solubilizing groups, and A represents a benzene nucleus which may contain one or more further non-water-solubilizing groups. They may be obtained by coupling a diazonium compound of an aromatic primary amine of the formula D-NH 2  with a pyrazolone derivative of the formula in a weakly acid, neutral or weakly alkali medium. Examples are given for the production of the dyes. They are useful for dyeing or printing polyester, cellulose triacetate, cellulose 2¢ acetate, polyamide and polyurethane fibres.
Patent GB-743664-A (GB)
Title: Improvements relating to electrically heated soldering irons
IPC: B23K3/02
Filed: 1953-02-16
Abstract: 743,664. Soldering irons. ADAMSON, R. A. Feb. 16, 1954 [Feb. 16, 1953], No. 4249/53. Class 83 (4). In an electrically heated soldering iron in which the heating element 9, Fig. 1, is wound round a tube 6 of a material of good heat conductivity, such as stainless steel, the tube 6  is filled with material having good heat conductivity, such as copper, and a removable bit 13, e.g. copper, has a skirt 14 which fits over the end of the tube 6. The skirt 14 may be split and formed with a groove 15, Fig. 2, for a C-shaped spring. Alternatively, the skirt 14 may be held in position by one or more bolts 16, Fig. 4, formed from stainless or nickelchrome steel wire and having bent over heads 17 located in recesses 20 in the skirt 14. The tube 6 is connected to the handle by a rod 7 and is filled with a copper rod 8. The heating element 9 is embedded in mica and together with the tube 6 and rod 7 is encased in wound iron wire 12.
Patent GB-216558-A (GB)
Title: Improvements in and relating to loose leaf binders
IPC: B42F13/04
Filed: 1923-02-14
Abstract: 216,558. Duncan & Son, Ltd., G., McGregor, W., Sumner, W., and Brocklebank, J. B. Feb. 14, 1923. Flexible-band files; covers; locks and fastenings. -In a loose-leaf binder of the type in which the thongs are tightened by rotating a spindle operated by a key, clutch mechanism being provided to set free the spindle so as to release the thongs, the thongs are not wound directly on to the spindle but are connected to a flexible flat metallic tape wound on the spindle. The binder comprises covers 1 hinged to clamping-bars 3 slotted to receive thongs 4. The latter are connected to a yoke 6 sliding on a guide 7, and carrying a bracket 22 through which one end of the tape 9 passes, said end being provided with a half disc 24 which prevents its passage through the bracket and allows angular adjustment of the yoke. The winding mechanism comprises a spindle 10 on which the tape is wound, and which is rotatable in a bracket 11, and a key-operated shaft 12, the spindle and shaft being clutched together by a sleeve 13. The latter has a recess 16 to engage a pin on the spindle 10, and a helical slot 15 to engage a pin 14 on the shaft 12, and is prevented from rotating in one direction by a coiled spring 18.
Patent GB-621295-A (GB)
Title: Improvements in or relating to vehicle braking systems
IPC: B60T8/86
Filed: 1947-02-14
Abstract: 621,295. Vehicle brakes. CLAYTON DEWANDRE CO., Ltd., and EDGE, S. H. Feb. 14, 1947, No. 4333. [Class 103 (i)] [Also in Group XXXI] The brakes of a road vehicle or a tractortrailer vehicle combination are pneumatically applied automatically when the vehicle reaches a predetermined road speed by a device comprising a governor 4 of which the shaft 2 is driven by the vehicle propeller shaft (not shown) and the sleeve 8 actuates a pivoted arm 11 engaging valves 18, 19 which connect a brake-operating servo cylinder (not shown), either with a vacuum reservoir through port 20 or with atmosphere through port 21. By interchanging valves 18 and 19, the device may be used with a pressure system. In an alternative arrangement (not shown) the valves may be axially movable in tandem. A device to restrict the movement of the accelerator pedal before the brakes are applied may be actuated by a branch connection to the pipe connecting port 21 with the brake servo cylinder. In a tractor-trailer arrangement the abovementioned mechanism operates the trailer brakes only.
Patent GB-746982-A (GB)
Title: Wood chipper
IPC: B27L11/02
Filed: 1954-02-16
Abstract: 746,982. Rotary cutters. IMPROVED MACHINERY. Inc. Feb. 16, 1954 [Feb. 20, 1953], No 4502/54 Class 145 A wood chipper which may be. used in the manufacture of paper comprises a generally cylindrical, rotatable drum 20 having a plurality of knives 25 at its periphery, means 60 for controlling the feed of wood 10 to be chipped and having an outer curved surface of gradually decreasing radius from the centre of the drum, and guides 42, 46 for the wood. A log 10 may be fed to the chipper on a chain-conveyer 50 driven through a gear-box 56 by a chain-and-sprocket drive 58, from a drive shaft 16 for the arum 20, the shaft 16 being rotated as by a diesel or an electric motor. During the chipping operation, feed is effected by the forward component of the movement of the cutters through the log and by the conveyer. The slices cut are split into chips of uniform width by the edges 34 of a grooved member 30 secured to the leading face of each cutter by the bolts 29 for attaching the cutter and an adjacent member 60 to the drum, the bolt-head recesses in the member 60 for the bolts 29 being plugged if desired. An equation is given defining an ideal curve for the outer surface of the members 60, which need not be continuous, and also an approximation for practical use which is in the form of a cylindrical surface of smaller radius than that of the cutting edges 26, the latter surface being the closest to producing constant velocity of a follower constrained to move in a radial path. A casing with a lower wall 18 and a bed-knife 40 supports the shaft 16 in bearings in side portions 12, and chip throats 22 are provided from which the chips are discharged by centrifugal force. The logs 10 need not be fed horizontally. Cutting frequencies, blade speeds, log feeds, clearance and rake angles, and angles of cutting zone are given.
Patent GB-1162465-A (GB)
Title: Metal Derivatives of Alkylhydroxyphenylalkyphosphinic Acids
IPC: C08L27/00
Filed: 1968-01-29
Abstract: 1,162,465. Alkylhydroxyphenylalkyl phosphinic acids and salts and their use as stabilizers; organometallic compounds. J. R. GEIGY A.G. 29 Jan., 1968 [30 Jan., 1967], No. 4506/68. Headings C2C and C2J. [Also in Divisions C3 C5 and Dl] Novel phosphinic acid salts of the Formula I wherein M is a metal or metal complex cation having a valency n, R is an aliphatic, cycloaliphatic or aromatic radical containing up to 12 carbon atoms, z is 0 to 6, y is 1 to 4 and n is 1 to 4, are obtained by reacting the corresponding free phosphinic acids with compounds of the metal or metal complex, e.g. oxides or hydroxides, and, if desired, converting the products to other salts of the above formula by double decomposition and/or complex formation. The group M may be a metal complex in which some of the valencies of the metal are satisfied by one or more organic or inorganic moieties, e.g. C 1-30  carboxylic acyl, phenoxy, alkylphenoxy, alkyl, alkyl- and aryl-sulphate or sulphonate, or alkyl and aryl phosphonate radicals, or inorganic anions. The compounds are useful as antioxidants (see Divisions C3 and C5) and for the treatment of polymers prior to dyeing (see Division D1). The alkylhydroxyphenylalkyl phosphinic acids used as starting materials are obtained by reacting the appropriate phenylalkyl halides with dialkyl or diphenyl hydrocarbon phosphonites and saponifying the alkyl or phenyl phosphinates produced, or reacting alkylhydroxyphenylalkyl halides with hydrocarbon phosphorus dichlorides and hydrolysing the products. Heptaldehyde, di - isoamyladipate, di - (2- ethylhexyl) azelate and pentaerythritol tetracaproate are stabilized by the addition thereto of the salts of the above formula.
Patent GB-673221-A (GB)
Title: Improvements in or relating to a travelling tool carrying rig
IPC: A01B35/22
Filed: 1950-02-22
Abstract: 673,221. Agricultural implements. ALLISCHALMERS MANUFACTURING CO. Feb. 22,1950 [March 30, 1949], No. 4547/50. Class 6(i) A tool assembly 20 includes at least one laterally extending and laterally adjustable tool supporting bar 39, and a tillage tool 61 depending from the bar and secured thereto by releasable means which permits the tool to be adjusted as to its forward tilt, lateral tilt and horizontal angular offset with respect to the direction of travel. In the construction shown each of two bars 39 is slotted at 41 to receive a bolt 43 which secures it in the adjusted lateral position with respect to a member 29. Near one end of each bar is a convex partspherical surface 46 and a similar concave surface 47 with which engage a washer 58: and element 49 respectively. The element 49 is slotted to receive upstanding lugs 54 on the shank 53 of the tool. and suitable clearance holes are provided in the members 58, 39, 49 and 53 for a fixing bolt 57. the clearances being such as to enable the tool to be tilted forwardly and laterally and angularly offset. The member 29 is composed of two'parallel members, see Fig. 2, bolted together and carrying a wheel 34 and a soil loosening tool 36, and is carried by parallel links '23, 24, extending from a member 22. The latter is detachably clamped at 21 to a support 9 forming an extension of the part 8 of a further parallel link mechanism 6, 7, 8 carried by arms 3, 4 which are secured to a tubular bar extending laterally from the machine frame 1. The entire unit may be raised or lowered by a lever 18 which is connected to the link 7 by means including an arm 12, rod 14 and compression spring 15.
Patent GB-1487273-A (GB)
Title: Tilting fitting for tilting chair
IPC: A47C3/026
Filed: 1975-02-04
Abstract: 1487273 Tilting fitting for a chair KARL ZUND & CO AG 4 Feb 1975 [9 May 1974] 4749/75 Heading A4U A tilting chair comprises a two part cushion support 14, 14 supporting a one piece seat  cushion and connected to a support pedestal (10) Figs. 4 and 5 (not shown) by a tilting fitting comprising a fixed member 8 secured to the pedestal and rotatably mounting a tube 3 defining the tilting axis 13 and fixed at its free ends to the rear part 14" of the cushion support, the front part 14' of the cushion support being fixed to an . extension 9 of the fixed member 8, such that on tilting of the chair the front edge of the seat is not moved. Springs which produce a return force for the tilting fitting are disposed in the tube 3. The fixed member 8 is formed as a hollow sectional element. A strap 7 Fig. 1 (not shown) on a yoke 6 attached to the tube 3 engages in the sectional element to limit the tilting of the rear part 14".
Patent GB-378798-A (GB)
Title: Improvements in or relating to ironing tables particularly for domestic use
IPC: A47B35/00
Filed: 1932-02-17
Abstract: 378,798. Tables. SCHMITHUS—N, H., 21, Marsstrasse, Xanten, Rhineland, Germany. Feb. 17, 1932, No. 4757. Convention date, March 2, 1931. [Class 52 (iii).] An ironing-board which may consist of two pivoted parts 1, 2 is provided with depending guides 6 which are pivotally and slidably mounted on a stirrup 5 pivotally mounted in the two side members 4 of a table frame. The table top 3 is slidable on the frame ; when it is pushed back, the stirrup can be raised to bring the board to operative position. A longitudinal strengthening rib 8 is provided beneath the board, and a locking device 9 co-operating with a recess 10 is fitted for holding the board in the inoperative position. In the operative position the board rests on blocks 7, the guides 6 being recessed at 6a to slide beneath the blocks.
Patent GB-311797-A (GB)
Title: Improvements in and relating to valves
IPC: G05D16/18
Filed: 1928-02-15
Abstract: 311,797. Mason, H. L. Feb. 15, 1928. Fluid-actuated valves such as safety or pressure-reducing valves are provided with a valve-like actuator arranged on the fluid side of the valve in proximity to a member designed to utilize the velocity of the escaping fluid to increase the pressure-difference operating the actuator. In the form shown in the Figure, the valve member 7 co-operates with a seat 5 and is connected by a spindle 13 with the valve-like actuating-member 8, which is provided with a seat 6. The casing above the seat 6 is shaped to form a conical nozzle terminating near the seat 5. The device is loaded by a spring 14, acting through levers 11 and toggle links 9. The device may be used as an auxiliary valve to control the operation of a piston-actuated main valve.
Patent GB-912588-A (GB)
Title: Improvements in or relating to hydraulic pre-stressing means for reinforced concrete
IPC: E04G21/12
Filed: 1961-02-09
Abstract: 912,588. Strainers. PAUL, O., PAUL B., and PAUL, E., [trading PAUL & SOHNE MASCHINENFABRIK MAX.]. Feb. 9, 1961 [Feb. 9, 1960], No. 4797/61. Class 45. A hydraulic press for tensioning a reinforcing rod 3, in a concrete structure comprises, a double acting piston 42 of an anchoring device 4 which when actuated in one direction serves to force wedges 41 into a seating to anchor the rod 3 to the concrete structure, a tensioning device 5 actuated by a piston 51 and rod gripping device 6 attached to the tensioning device between the tensioning device and the anchoring device 4, the gripping device 6 including a head 61 carrying jaws 63 in a conical seating for actuation by a piston 64, the arrangement being such that over at least the initial part of the tensioning stroke, movement of the piston 42 in the other direction causes it to bear upon the jaws 63 and thereby supplement the action of the tensioning device 5. The press may be adapted to tension several rods simultaneously. The hydraulic operating system Fig. 4 (not shown) includes three remotely electrically controlled valves, opening of two of which effect tensioning movement of the tensioning device and alternate opening of the other of which effects anchoring of the tensioning rod to the concrete structure, release of the rod gripping device 6, and return of the tensioning device 5 into position in readiness for a further tensioning stroke on the same rod if necessary. The hydraulic stem also includes appropriate pressure control valves, non return valves and excess pressure valves.
Patent GB-948693-A (GB)
Title: Novel tertiary phosphine and process of preparation
IPC: C07F9/50
Filed: 1962-02-08
Abstract: The invention comprises monomeric p-styryldiphenyl phosphine. It may be obtained by reacting, preferably in equimolar proportions a p-halostyrene with magnesium in an inert solvent at temperatures above 35 DEG C. but not in excess of 60 DEG C. to obtain the corresponding Grignard reagent, and reacting at least an equimolar proportion of the latter (viz. p-styrylmagnesium halide) with a diphenyl halophosphine in an inert solvent at between about -40 DEG C. and about 60 DEG C. and recovering the p-styryldiphenyl phosphine. It is preferred to use the chloroderivatives of the respective reactants but the bromo- and iodo-derivatives may also be used.  The inert solvent may suitably be tetrahydrofuran and it is preferred to add the Grignard reagent to the diphenylhalophosphine.  The product may be polymerized or co-polymerized with styrene or methyl-methacrylate to yield flame resistant polymers (see Division C3).ALSO:Monomeric p-styryldiphenyl phosphine is polymerised to form a flame-resistant polymer by heating the monomer in a sealed tube at 60 DEG C. in the presence of benzene and a small amount of azobisisobutyronitrile.  A flame resistant polymer is also obtained by heating p-styryldiphenyl phosphine with styrene or methyl methacrylate in the presence of benzene and a small amount of azobisisobutyronitrile.
Patent GB-562727-A (GB)
Title: Improvements in or relating to the production of projectiles
IPC: F42B30/08
Filed: 1943-03-26
Abstract: 562,727. Making bomb &c. casings. PRESSED STEEL CO., Ltd., KELLEY, G. L., and DAVENPORT, S. March 26, 1943, No. 4929. [Classes 83 (ii) and 83 (iv)] Cases for bombs and other projectiles of metal, such as mild steel, having integrally formed nose, body and base ends, are produced by an alternate series of cupping and forging operations from a disc. As illustrated, four cupping operations and four nose forging operations are described, resulting, after trimming the open end to length, in the blank, Fig. 9, with a'nose 8 tapering from the end down to the thickness of the body. The blank is then forced,into a die, Fig. 14, by a punch 11 formed to fit the nose, to reduce the open end and partly close it by flanging. This operation is performed in two stages ready for the attaching, as by bolting, of a' base-plate 12, Fig. 17, welded to a tapped bush 13 that serves as a filling opening and is finally closed by.a screwed plug. The base-plate also carries brackets 14 for the attachment of tail fins. The operations are preferably performed cold with annealing operations as required, for example, after each pair of cupping and forging operations. The body does not require machining except to receive the nose cap but is preferably coated inside with shellac.
Patent GB-743131-A (GB)
Title: Improvements in or relating to a method of isolating protein from seed of the kind containing oil and protein
Inventor: URE GEORGE REID
IPC: A23J1/14
Filed: 1953-02-23
Abstract: A method of extracting blanched protein from oil-seed, e.g groundnuts, comprises treating the seed with an aldehyde, e.g. formaldehyde, paraldehyde, furfural, in liquid or gaseous phase, before or during de-oiling and prior to the extraction of the protein from the de-oiled material with 0.1 per cent caustic soda and precipitation of the protein from the clarified solution at pH 5.0 by addition of sulphur dioxide, hydrogen chloride or sulphuric acid. The aldehyde may be used in a volatile organic solvent or in aqueous medium, the latter necessitating the drying of the seed prior to de-oiling by washing with hexane.  An acidic catalyst, e.g. hydrogen chloride, dilute sulphuric acid, may be present during the aldehyde treatment.