baber/WOPTO huggingface dataset:
Patent GB-336943-A (GB)
Title: Improvements in tractor plows
IPC: A01B63/06
Filed: 1929-07-20
Abstract: 336,943. International Harvester Co., (Assignees of Lindgren, A. C., and Gallagher, A. D.). May 29, 1929, [Convention date]. Couplings.-A floating plough attachment for a tractor comprises a wheeled frame located between the rear wheels of the tractor and connected by links to a pair of upright members rigidly attached to the side bars of the tractor forward of the axle structure, plough beams supported between their ends on the frame, and flexible draught connections between the plough beams and a forward point below the tractor body. The tractor shown has a narrow body part 14, an arched axle structure 10, 11, widely spaced rear wheels 12, and a central rearwardly directed power-take-off shaft. The plough frame comprises an inclined frame 20 and uprights 21 carrying the axle 23 of ground wheels 24, which are located between transverse vertical planes tangential to the main wheels 12. Each upright 21 is connected by two links 29, 30 to a vertical bar 27 centrally clamped on a main sill 15 of the tractor. These links allow free movement vertically, but prevent horizontal movement. The beam structure 35 of each ploughing unit is pivotally mounted intermediately of its ends on a bail-shaped member suspended from a bail 40 pivoted on a frame 20. The forked ends of the beam structures 35 are bent downwardly and connected by links 50, 52 to a U-shaped draught bar 46 pivoted on the depending portions 11 of the axle structure of the tractor and secured to the lower ends of the vertical bars 27. The links 52 are adjustable in length to allow of angular adjustment of the plough beams.
Patent GB-754055-A (GB)
Title: Improvements in or relating to centrifugal fan wheels
IPC: F04D29/30
Filed: 1954-08-03
Abstract: 754,055. Centrifugal fans. WESTING- HOUSE ELECTRIC INTERNATIONAL CO. Aug. 3, 1954 [Aug. 5, 1953], No. 22448/54. Class 110(1) [Also in Group XXXIII] A centrifugal fan wheel comprises a back plate, a side plate, a plurality of curved aerofoil blades secured between said plates and means for preventing boundary layer flow separation at very high and very low gas volumes comprising openings in the inner and outer sides of the blades through which gas can move as a result of the rotation of the fan wheel. The wheel has a curved side plate 20 and a back plate 21 connected to a hub 22 with curved blades 23 attached at their ends as by welding or riveting to the back and side plates. Each blade has slots 24 extending therethrough from points in the outer side of the blade to respective points nearer the trailing edge of the blade in the inner side. the difference in pressure on the two sides causing the gas to flow into the slots at the outer side and out at the inner side to draw away and sweep turbulent flow from the respective sides. In another embodiment the inclination of the slots-through each blade is opposite to that shown in Fig. 2 and in further embodiments each blade is hollow and both surfaces are perforated and an aperture is provided in the plate 21 within the profile, and adjacent the trailing edge, of each blade or in the trailing edge of the blade itself whereby gas is drawn into the interior of the blade and exhausted at the trailing edge.
Patent GB-1015455-A (GB)
Title: Operating mechanism for ball point pens and the like
IPC: B43K24/08
Filed: 1963-06-06
Abstract: 1,015,455. Retractable ball-point pens. REAL PATENTAUSWERTUNGS. ANSTALT. June 6, 1963 [June 7, 1962], No. 22490/63. Heading B6P. A ball - point pen comprises a refill element 3, a holder portion 1 formed with a semi-circular recess 7 shaped as shown in Fig. 3 and a circular recess 8, and an operating mechanism including a push-button 2, a rigid rod 4, a piston portion 5 engaging the element 3, and an elastic arm 6 having a projection 6<SP>1</SP> engaging in the recess 7 or 8. In the position of Fig. 3 the ball is retracted. On depressing the button, the projection 6<SP>1</SP> is forced into the recess 8 (writing position). On further depressing the button, the projection 6<SP>1</SP> is forced into the bottom end 7<SP>11</SP> of the recess 7 and runs up the recess to the position 7<SP>1</SP> under the action of the spring-urged element 3.
Patent GB-516908-A (GB)
Title: Improvements in or relating to electric cables
IPC: H01B11/18
Filed: 1938-07-29
Abstract: 516,908. Cables. PIRELLI-GENERAL CABLE WORKS, Ltd., and WERREN, H. T. July 29, 1938, No. 22592. [Class 36] The outer conductor of a coaxial conductor cable, more particularly a cable with air-space insulation, is surrounded by an iron or steel protective sheath constituted by one or more strips applied longitudinally or helically, the edges of the strip or strips being welded together. The outer conductor may consist of a copper strip applied simultaneously with the iron or steel strip. The copper and iron, or steel strips may be welded together, as may also be the edges of the copper strip. A layer of heat insulating material may be provided to prevent damage to the insulating spacers of the conductors during the welding of the edges of the strip or strips. In a modified construction the outer conductor is formed by a deposit of copper on the inner face of the iron or steel strip, the thickness of deposit preferably being equal to the depth of current penetration at the highest frequency to be transmitted over the cable.
Patent GB-935497-A (GB)
Title: Apparatus for the production of acetylene containing gas mixtures
Inventor: KOLIJN MARTINUS
IPC: B01D51/10
Filed: 1960-06-29
Abstract: In apparatus for the production of acetylene by the partial combustion or pyrolysis of hydrocarbons, the reaction space is separated from the quenching space by a partition having heat insulating material on the reaction space side, there being at least one opening to permit passage of reactants.  In a preferred embodiment the partition is circular, positioned centrally in a circular passage, leaving an annular opening for the reactants. The side adjacent to the reactor may be shaped, e.g. paraboloidal or conical in cross-section, to channel the gases, and the side adjacent to the quench is preferably provided with a cooling system, the inlets and outlets forming part of the supporting structure. The quench may be an atomizer giving a conical spray directed into the annular passage, and the partition and atomizer may be movable relative to each other and the reaction space. Specifications 703,721, 908,274 and 912,445 are referred to.
Patent GB-584347-A (GB)
Title: Improvements in or relating to polarized electro-magnetic instruments
IPC: H01H51/22
Filed: 1944-11-17
Abstract: 584,347. Electromagnetic relays. TELEFONAKTIEBOLAGET L. M. ERICSSON. Nov. 17, 1944, No. 22903. Convention date, Nov. 18, 1943. [Class 38 (v)] In a polarized electromagnetic relay comprising an electromagnet M and a permanent magnet P with a common yoke 0, the electromagnetic flux branches to two air gaps, over which the permanent magnet flux passes. Situated in the air gaps are two armatures A<1> and A' interconnected by non-magnetic material and pivoted about an axis V. The electromagnetic flux aids the permanent magnet flux at one air gap and opposes it at the other causing movement of the armature, which is transferred to spring assemblies by means of. needles mounted in holes H' and H<2>, which also serve to keep the armature in a neutral position. Shifting the permanent magnet so that the air gaps are unequal, causes the armature to act upon one of the spring assemblies when the electromagnet is de-energized, and alternate to the other on energizing. Fig. 5 shows an alternative layout, the spring assemblies in this case being replaced by rigid contact needles F<1> and F' and contact springs in the armature A'.
Patent GB-781940-A (GB)
Title: Improvements relating to detergents
IPC: C11D1/12
Filed: 1955-08-09
Abstract: A detergent in hardened cake form is produced by compacting an alkali metal di-n-octyl, di-n-nonyl or di-n-decyl sulphosuccinate, or mixtures thereof, under a pressure of at least 100, and preferably 300-500, pounds per square inch.  A preferred composition comprises 20-40 per cent of the di-n-decyl sodium salt and 80-60 per cent of the di-n-octyl sodium salt.  If desired, 1-5 per cent by weight of lanolin, glycerine, beeswax or other suitable lubricant may be added to facilitate moulding, which may be carried out at any temperature up to the softening point of the diester, which is within the range 150-250 DEG  C. Alternatively the mould may be lubricated with a little water. Specification 446,568 is referred to.
Patent GB-895410-A (GB)
Title: Grid construction for thermionic valves
IPC: H01J19/00
Filed: 1960-06-30
Abstract: 895,410. Making grid electrodes; welding by pressure; shearing. COMPAGNIE INDUSTRIELLE FRANCAISE DES TUBES ELECTRONIQUES. June 30, 1960 [.July 1, 1959], No. 22969/60. Addition to 865,932. Classes 83 (2) and 83 (4). Thermionic valve grids are made by helically winding wire 22 on to a cylindrical mandrel 21 and passing current between the mandrel and a metallic support 28 placed on the wire to weld the wire to the support. Wire is welded to each side of the rods 30 of a band 28 of grid frames by means of two rotatable mandrels 21, 21a housing stationary electrodes 26, 26a. Grid wire is wound on both mandrels between stops 23, 23a, welded to the first rod 30, and the turns severed in advance of the weld by cutters 27, 27a in pockets 25, 25a in the electrodes and projected through slots 24, 24a in the mandrels. The band 28 is advanced, rotating the mandrels and moving the other rods 30 between the electrodes. The band 28 is then severed between each pair of rods 30.
Patent GB-768719-A (GB)
Title: A new or improved chock release for supports for mine roofs
Inventor: DUNCAN ANGUS WELLESLEY
IPC: E21D15/60
Filed: 1954-08-09
Abstract: 768,719. Mine chocks. MINING ENGINEERING CO., Ltd. Sept. 23, 1955 [Aug. 9, 1954], No. 23050/54. Class 20(2) A mine chock release comprises a wedge 11 held from sliding down a wedge 10 by a link 16, 17 connected to the crank pin 13 of a crank shaft 15 journalled in the wedge 10 and prevented from turning by a stop 20. The link comprises two parts 16, 17 connected by a pin 18. The stop comprises a flat 19 on a shaft 20 to which is connected, by a bolt 23, an hexagonal sleeve 22 fitting in an hexagonal recess in the wedge 10. The bolt has a narrow part and may be turned by a D-link 24 so that this part may be slid into the narrow part of a keyhole slot in the shaft 20 and the sleeve 22 withdrawn from its recess, to allow the shaft 20 to turn and release the chock. Alternatively the shaft 20 may be released by withdrawal of a locking pin from the end of a long arm on the shaft 20. Two chock releases may be connected by plates on which a crank is mounted adapted to release both.
Patent GB-755848-A (GB)
Title: Improvements in or relating to thermally stable bituminous bonding compositions
Inventor: JELLING MURRAY
IPC: C08K5/20
Filed: 1953-08-21
Abstract: Amides of the formula RCO-NR1ANR211 and their carboxylic salts RCO.NR1ANR211 HO.OCR are prepared by reaction between organic acids and dialkyl aminoalkyl amines at 100-200 DEG  C.  In the formul\n9 RCO is an acyl group derived from C12-20 fatty acid or a rosin acid, A a C2-6 alkylene group, R1 is H or C1-4 alkyl, and R11 is C1-4 alkyl and each R11 may be the same or different.  Specified acids, singly or in admixture, are oleic, linoleic, linolenic, lauric, palmitic, stearic, rosin acids, abietic acid or the mixed acids of tall oil. Triglycerides may be the source of the fatty acids.  Specified amines are dimethylaminoethylmethylamine, diethyl and dimethylaminoethylamines, 3-dimethylaminopropylamine, 4-dibutylaminobutylbutylamine, methyl isopropyl aminoethyl methylamine, and 3-di-isopropyl aminopropylamine.  Specifications 618,767 and 755,918 are referred to.ALSO:Bituminous compositions contain a N-di alkylaminoalkylamide R CO NR1 - A - NR211 or its carboxylic salt R CO NR1 - A - NR211HO.OCR where R CO is C12-20 fatty acid or resin acid acyl group; A an alkylene C2-6 group; R1 is hydrogen or C1-4 alkyl radicle and R11 is a C1-4 alkyl radicle, which may be the same or different.  The preferred proportion is 0.1 to 2 per cent, relative to the bituminous material.  Referred compounds are N dimethylaminopropyl oleamide or its resin acid salt, and N dimethylaminoethyl oleamide.  The RCO acyl group may be derived from tall oil.  The preparation of the compounds is described in Specification 755,918.  In the case of the salts the RCO may be derived from the same or different acids.  The compositions are used for coating aggregates, e.g. gravel or slag.  Specification 618,767 also is referred to.
Patent GB-438909-A (GB)
Title: Improvements in and relating to the projection of correlated films and the like
IPC: G03B21/20
Filed: 1934-08-10
Abstract: 438,909. Optical-projection apparatus. STETTER, F. G., 138, Hadikgasse, Vienna. Aug. 10, 1934, No. 23143. Convention date, Aug. 11, 1933. [Class 97 (i)] Varying images are projected by apparatus permitting the simultaneous employment of correlated transparencies and the abrupt or sudden individual interposition of them in the projection beam. As shown, a casing 1 having a picture aperture 2 contains transparencies 5 in slidable frames 4. Each frame has a tongue 41 carrying a stud 6 projecting through a slot 3, and the studs are held by spring clamps 8. Each transparency in turn may be pushed manually or mechanically, into register with the aperture 2, and the effort necessary to free its stud from the clamp ensures that such movement is effected suddenly. An arrangement of springs engaging notches in the frames, and of cams for lifting the springs, is described, the arrangement ensuring that the frames are moved singly and in predetermined order ; modifications of the studs of the manner in which they are mounted, and of means for holding them are also described. The frames may be provided with two sets of studs permitting the use of the casing both in projectors wherein the slide carrier movement is horizontal and in projectors wherein such movement is vertical ; alternatively, the transparencies may be round and may be rotatable in the frames by detachable keys. The casing may be used in the usual slide carrier of the projector, or may be provided with hooks and clamps by which it may be hung in the dropshoot of a projector.
Patent GB-263712-A (GB)
Title: Improvements in or relating to conduit fittings
IPC: H02G3/06
Filed: 1925-09-30
Abstract: 263,712. White, A. E., (Erie Malleable Iron Co.). Sept. 30, 1925. Junction boxes.-In the conduit fitting described in Specification 263,543, the contractible sleeve 5 is prevented from rotating by means of external flat surfaces thereon which are adapted to engage like surfaces 4 in the conduit opening 2. Specification 241,538 also is referred to.
Patent GB-937827-A (GB)
Title: Device for the determination of gas densities
Inventor: CLARK ANTHONY JOHN
IPC: G01N9/20
Filed: 1961-06-28
Abstract: 937,827. Determination of gas densities. DISTILLERS CO. Ltd. June 1, 1962 [June 28, 1961], No. 23325/61. Class 40 (3). [Also in Group XX] The invention relates to apparatus for the determination of gas densities and comprises a cell in which a rigid bar 10 having an evacuated sphere or bulb at each end 6 and 7 is mounted at its centre of gravity so as to pivot about a horizontal axis, means for passing the gas to be investigated around one bulb and a reference gas around the other bulb without mixing of the two gases (Figs. 1 and 2, not shown), electrical means for applying a force within the cell to oppose the movement of the bar and maintain it in a null position, and means for measuring the intensity of the applied force. In the embodiment shown, a coil 15 is mounted on the bar 10 at right angles to a magnetic field provided by a permanent or electromagnet (Fig. 2, not shown). A beam of light from a source 18 is incident on a mirror 17 cemented to the coil and is reflected on to a photo-electric cell 19. Motion of the bar 10 in response to buoyancy differences of the two bulbs in the two gas streams moves the coil 15 and mirror 17 which by changing the direction of the light beam changes the current generated in the cell 19 the output from which is modified and amplified by an amplifier 20 and applied to the coil 15, to oppose movement of the bar and maintain it in a null position. The output from the amplifier is measured or recorded by suitable means 21 to give the difference between the known density of the reference gas and that of the test gas. In a further embodiment the current supply to the coil may be adjusted by a manual control. As an alternative to providing electromagnetic balancing means one of the bulbs may be aluminized and an electrode placed in the near vicinity is charged by an applied voltage the force on the bar due to the subsequent electrostatic charge on the bulb being used to produce a balance. The apparatus may also be made selfbalancing by causing movement of the bar to vary the plate area of a capacitor connected in an electric circuit supplying current to the coil.
Patent GB-1159089-A (GB)
Title: Methylenedioxyphenyl Compounds
Inventor: CORNFORTH JOHN WARCUP
IPC: C07D317/62
Filed: 1968-05-16
Abstract: 1,159,089. Insecticides containing pyrethrins. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 16 May, 1968, No. 23352/68. Heading A5E [Also in Division C2] Insecticidal compositions comprise pyrethrins and as synergists methylenedioxybenzene compounds of the general formula wherein R 1  represents hydrogen or alkyl, preferably C 1-6  alkyl, R 2  represents alkyl, preferably C 1-6  alkyl, n is an integer, preferably, between 1 and 4 and X represents hydrogen, alkyl, a halogen, preferably chlorine or bromine, or a polyether group of the formula R 1  | - CH - O - (CH 2 CH 2 O) n  R 2  in which R 1 , R 2  and n areas defined above, in a ratio of methylenedioxybenzene compound to pyrethrin between 0.1:1 and 100:1 preferably 1:1 to 10:1 and more especially 5:1. Such compositions may contain a further insecticide and may be packed in an aerosol container. The compositions or the methylenedioxybenzene compounds themselves may be applied directly to the habitat of the insect.
Patent GB-440901-A (GB)
Title: Improvements in masks for typewriting machines
IPC: B41J29/02
Filed: 1934-08-14
Abstract: 440,901. Typewriters. ROYAL TYPEWRITER CO., Inc., 2, Park Avenue, New York, U.S.A.-(Assignees of Dowd, B. J.; 385, North Quaker Lane, and HART, H. J.; 23, Gillette Street, both in West Hartford, Connecticut, U.S.A.) Aug. 14, 1934, No. 23415. Convention date, Aug. 22, 1933. [Class 100 (iv)] Type-lever machines.-A mask for the framework comprises side and front plates, and a cover for both ribbon-spools hinged at the rear to the sides of the main framework. The front plate and a back plate may be arranged flush with ears on the side plates and be secured thereto by bridge-pieces. Ornamental bands may be arranged in recesses in the side, front, and back plates, and the cover. The mask shown in Figs. 4 and 13 to 17 comprises side, front, and back plates 15, 18, 24, a hinged cover F for the spools, and end plates 66 for the carriage C. The side plates 15 are connected by a key-lever guard 16 and are secured to the sides 5 of the framework by screws 35 passing through ears 34. The back plate 24 is arranged flush with ears 23 on the side plates and is provided with spot-welded bridge-pieces 25 engaging the front of the ears, screws 28, passing through holes in the ears and bridge-pieces, being threaded into brackets 32 on the back 6 of the framework. The front plate 18 is arranged flush with ears 19 on the side plates 15 and is secured thereto by spot-welded bridgepieces 20. The cover F is formed with a top 52, and a flange 53 for engaging a seat 49 on the side and front plates. The cover is connected by a pair of hinges X to brackets 60 which are secured by screws 62 to the sides 5. To permit of adjustment of the cover relatively to the seat 49, the leaves 55 of the hinges are vertically adjustable on the brackets, and each bracket is formed with a lateral ear which is secured to an ear 21 on the associated side-plate 15 by means of a screw passing through a slot 65. Movement of the cover is limited by means of a link 74 which is pivoted to one of the brackets 60 and has a head 76 engaging a slotted plate 78 on the cover. An ornamental band D, preferably ribbed, is arranged in recesses in the members 15, 16, 23, 24 and is provided with integral or spot-welded securing-lugs 42 which are passed through apertures 42 and bent over. Similar ornamental bands E, C are arranged in recesses in the side and front plates 15, 18, and in the cover F. The ornamental end plates 66 for the carriage are secured to the carriage ends 11 by screws passing through spacing-sleeves. Carriage back-plates 70 are secured to flanges on the plates 66.
Patent GB-506422-A (GB)
Title: Process and devices permitting of maintaining the radioactivity of products such as creams, pastes, pomades, ointments and the like
IPC: A61J1/00
Filed: 1937-08-26
Abstract: 506,422. Radio - active preparations. KLINGHOFFER, S. Aug. 26, 1937, No. 23417. Void. Convention date, Aug. 27, 1936. [Class 1 (i)] The activity of radioactive creams, ointments, &c. is maintained constant by immersing in the product a device containing a substance producing emanation at a rate sufficient to compensate for its disappearance from the product. Fig. 1 shows a container suitable for carrying out the invention, having an inner wall 4 with a central boss 6 bounding a space 5 containing the emanation-producing substance. In Fig. 2, the substance is contained in a perforated sphere 10 with projecting bosses 12. In a third modification the container is lined with a paper band impregnated with the substance.
Patent GB-443024-A (GB)
Title: Improvements relating to combination cabinet and like furniture
IPC: A47B83/00
Filed: 1934-08-15
Abstract: 443,024. Cabinet - beds. SINGER, F., 18, Schadekgasse, Vienna. Aug. 16, 1934, No. 23551. Drawings to Specification. [Class 52 (ii)] A bed, when not in use, is pushed under a cabinet or the like which has an enclosure "usable as a room." Specification 29744/06, [Class 52], is referred to.