baber/WOPTO huggingface dataset:
Patent GB-542254-A (GB)
Title: Improvements in or relating to steering means for vehicle trailers
IPC: B62D13/04
Filed: 1940-08-31
Abstract: 542,254. Steering trailer vehicles. MORRIS, E. H. Aug. 31, 1940, No. 13704. [Class 79 (v)] The front wheels 27 of a trailer vehicle are steered by a divided track rod 14, 15 the inner ends of which are pivoted to a swivelling member 1 pivoted on a vertical pin 2 and pivotally connected at 16 to a drawbar 18, the pin 2 being fixed by a block 5 to the front axle 7 and screwed at its upper end to a transverse frame member of the trailer. The track-rod parts 14, 15 are preferably adjustable in length and are secured at their ends into sockets 28 connected by ball joints 13 to the member 1 and to the steering arms 29 of the wheels. In converting a stripped motor vehicle chassis to a trailer the front springs may be replaced by stays 23 connected to the axle 7 and the chassis side frame members. The lateral movement of the drawbar 18 is limited by chains 24 connected to the drawbar and to lugs 26' on the stays 23 or the axle 7. The drawbar may comprise a metal strip 19 having connecting eyes 20, 17 formed at its front and rear by doubling back the strip, the strip being enclosed by wood reinforcing pieces 22 bolted together.
Patent GB-528486-A (GB)
Title: Improvements in or relating to containers for pourable substances
IPC: B65D25/42
Filed: 1939-05-08
Abstract: 528,486. Pouring spouts. ST. LAWRENCE STARCH CO., Ltd. May 8, 1939, No. 13751. Convention date, May 11, 1938. [Classes 21 and 66] A pouring spout B, Figs. 1, 2, fitted to an outlet opening 11, preferably of oval shape provided in the cover 10 of a metal container, is provided with a removable dished cover C. The spout, which is anchored to the inwardly turned edge 20 of the opening has an upwardly inclined curved pouring surface 13 leading to and disposed flush with a curved lip 16 projecting outwardly from the rim 18 of the cover and bridging the space between it and the upper edge of the container. The cover C engages over and corresponds in shape with the spout. In the construction shown in Fig. 11 the spout is formed integral with the end of a rectangular container, the pouring lip being directed to one of the corners.
Patent GB-291598-A (GB)
Title: Improvements in or relating to microscopes
IPC: G02B21/00
Filed: 1927-05-23
Abstract: 291,598. Watson & Sons, Ltd., W., and Baker, F. W. W. May 23, 1927. Microscopes.-The stand A comprises a pair of rearwardly extending legs A<1>, a single forwardly extending central leg A<2> and an upwardly extending arm A<3>. To the central leg A<2> is revolvably attached a spindle B carrying a fork C for the mirror D in the axis of the lens tube E. A stage is also mounted as shown. The lens tube E is adjusted by the rotation of rollers K which frictionally engage a rod T attached to the tube E. Wear is taken up by the adjustment of halfbearings O under the action of a plate Q and screws R.
Patent GB-1496994-A (GB)
Title: Pastes for forming electrically conductive films on non-conductive substrates
IPC: H01C7/00
Filed: 1976-04-06
Abstract: 1496994 Sintered metal films on non conductive substrates ENGLEHARD MINERALS & CHEMICALS CORP 6 April 1976 [21 April 1974] 13786/76 Heading C7D A paste for forming an electrically conductive film on a non conductive substrate comprises a base metal powder such as Ni, Cu or Co which oxidizes upon firing in air, 4-50 wt per cent B powder and a liquid vehicle. The powders are - 325 mesh and Ag and up to 20 wt per cent glass frit may also be included in the paste which preferably contains 15-40 wt per cent vehicle based on the weight of paste. The paste may be applied to Al 2 O 3  substrates by brushing or silk screening and fired at 600-1000C for up to 45 minutes.
Patent GB-653350-A (GB)
Title: Apparatus for the electrical purification of water
IPC: C02F1/469
Filed: 1947-06-13
Abstract: 653,350. Electrolytic treatment of liquids. PAVELKA, F. May 21, 1948, No. 13882. Convention date, June 13, 1947. [Class 41] Apparatus for electrolytic treatment of liquids comprises a vessel 1 which functions as an electrode and is in the form of a prism, the vessel containing a central electrode 2 surrounded by at least one diaphragm, two diaphragms 3, 4 being shown, and the corners of the vessel being utilized to receive pipe lines essential for the electrolytic process. As shown, a pipe 7 of helical form supplies the liquid to be treated to the space 5 between the two diaphragms 3, 4. Pipes 14,15 are provided for introducing and withdrawing respectively rinsing liquid. The treated liquid overflows and is conveyed to a second cell through a pipe 9. The pipe 9 may be bent to a U-shape before passing out through the vessel 1. The rinsing liquid may be introduced through a helical pipe similar to the pipe 7.
Patent GB-315512-A (GB)
Title: A method and means of combining waste or scrap rubber with a natural or artificial aqueous dispersion of rubber
IPC: C08L19/00
Filed: 1928-05-11
Abstract: 315,512. Macintosh & Co., Ltd., C., and Toop, F. H. May 11, 1928. Waste rubber which has been vulcanized is shredded, combined with an aqueous dispersion of rubber which may contain vulcanizing agents, fibres and fillers, moulded and vulcanized without drying. The proportions may be 97 per cent shredded rubber and fillers and 3 per cent rubber in aqueous dispersion.
Patent GB-1255200-A (GB)
Title: Valved bags & sacks
Inventor: OWENS WILLIAM VINCENT
IPC: B65D30/24
Filed: 1969-03-17
Abstract: 1,255,200. Valved bags and sacks. ROBINSON SACKS Ltd. 6 March, 1970 [17 March, 1969], No. 13914/69. Heading B8K. A sack 1 including a valve formed by a transversely folded strip 4 inserted in a longitudinal overlapping seam 3 of the sack has a patch 6 secured transversely over the seam 3 adjacent the transverse fold 5 in the strip 4. The free ends of the strip 4 are secured under an end closure strip 2. The sack may be formed from a plastics material and the seam 3 joined by a hot melt or alternatively the sack may be formed from a cross-plastics laminate and the seam 3 joined by adhesive.
Patent GB-1277843-A (GB)
Title: Device for heat treatment of a packaged product in an electro-magnetic or acoustic field
Inventor: STENSTROM LENNART ARVID
IPC: A23L5/30
Filed: 1970-03-23
Abstract: 1277843 Heat treatment of a packaged product ALFA LAVAL AB 23 March 1970 [24 March, 1969] 13971/70 Heading A2D A device for use in heat treating a product enclosed in a flexible package in an electromagnetic or acoustic field comprises a number of supporting members to abut the package in such a way that during heating the package is prevented from bursting and such that during cooling, a cooling medium may be passed between the supporting members. The supporting members may form a tunnel-like chamber open at the ends or alternatively the members may form a chamber having the same form as the package, said chamber having at least one movable limiting wall. A further form of the device may comprise supporting members formed on two driven endless bands arranged with the members directed towards each other to support the package. A form of the device is shown in Fig. 2 wherein supporting flanges 6 form a chamber 7 in which the package is positioned and supported for heat treatment. A movable wall 8 is provided to close the open end of the device. The end walls are provided with openings through which a cooling medium can be fed to and from the chamber.
Patent GB-1170048-A (GB)
Title: Process for Preparing alpha-Olefin Mixtures
IPC: C07C11/02
Filed: 1968-03-22
Abstract: 1,170,048. Alpha-olefins. SUMITOMO CHEMICAL CO. Ltd. 22 March, 1968 [23 March, 1967], No. 14001/68. Heading C5E. Alpha-olefin mixtures predominating in C 7-18  olefins are prepared by a one-step reaction of ethylene and propylene in the presence of an alkylaluminium catalyst at 120-180‹ C. under a reaction pressure of 40-150 kg./cm.<SP>2</SP>, the mole ratio of total ethylene and propylene to catalyst being 30-600: 1, and the mole ratio of ethylene to propylene being 12: 1-1: 6. The products of the examples also contain some C 4-6  and C 19+  olefins, and comprise predominantly normal and beta-branched alpha-olefins.
Patent GB-143722-A (GB)
Title: Fertilizer distributor
IPC: A01C15/02
Filed: 1919-06-04
Abstract: 143,722. Fairweather, H. G. C., (Browning, G. W.). June 4, 1919. Planting-tools. - A portable hand-operated fertilizer distributor is provided with a plate by which potatoes &c. may be pressed into the ground as the fertilizer is deposited. The distributor comprises a tubular body having a flaring lower end, a conical spreader within the lower end, a hopper above the body, a feeder tube, feeder valves, and an agitating and valve-operating rod extending through the hopper to a supporting and operating handle. The presser plate 18 is removably mounted on the conical spreader 16 which projects from the flaring end 11 of the tubular body 10. The conical lower part of the hopper 12 ends in a feed tube 14 projecting through the cap 20 of the body 10. Co-operating with the feed tube 14 are two relatively adjustable conical valves 24, 25 mounted on a rod 26 fastened to the handle 29. Agitating arms 28 are mounted on the rod 26. The hopper is provided with a hinged door 22 and with guides 31 in which work arms 30 depending from the handle 29 and furnished with adjustable stops 32. By depressing the handle 29, the spreader 16 is forced into the ground, the valves and stirrer moved, and a quantity of fertilizer distributed in a ring around the spreader. As the spreader is withdrawn from the ground it mixes the fertilizer with the soil.
Patent GB-645096-A (GB)
Title: Refrigerant mixtures and method of using the same
IPC: C09K5/04
Filed: 1948-05-25
Abstract: 645,096. Refrigerating. HEIDE, H. C. (Carrier Corporation). May 25, 1948, No. 14169. Drawings to Specification. [Class 29] A refrigerant for compression type refrigerating machines comprises a mixture of dichlorodifluoromethane and unsymetrical difluoroethane, the latter being present in a proportion of less than 78 per cent by weight of the total mixture and in a quantity sufficient to increase the pressure of the mixture over the pressure of dichlorodifluoromethane alone. Preferably the mixture is an azeotropic one containing 24 per cent by weight of difluoroethane.
Patent GB-237404-A (GB)
Title: Improvements in or relating to telephone receivers and the like
IPC: H04R13/02
Filed: 1924-06-12
Abstract: 237,404. Joseph, J., and Appleton, W. A. June 12, 1924. Telephones.-In telephone receivers, particularly of the type used for loud-speakers and having the magnet system and diaphragm relatively adjustable, the magnet system is adjusted by the endwise movement of a straight wedge-shaped member. As shown, the wedge member 21 coacts with the base-plate 11 of the magnet system and a wedge base 19 and is moved by means of a screw 22, springs 27 surrounding pins 21 serving to press the plate 11 into contact with the member 21 to prevent back-lash. The magnet system comprises two horse-shoe magnets 10 placed as shown in Fig. 2 and provided with laminated pole pieces 14 secured to the magnets by means of a block 16 of non-magnetic material and clamping bolts 15, or secured in any other manner.
Patent GB-251458-A (GB)
Title: Improvements in sheet metal sinks and other sheet metal receptacles of a like character
IPC: E03C1/24
Filed: 1925-06-02
Abstract: 251,458. Fellows, Ltd., S. J., & E., and Arcy, J. L. F. d'. June 2, 1925. Sink overflow and waste fittings comprise a sheet metal channel 7 having its edges welded or brazed to the outer surface of the sink. A stay or stays may be provided between the parts.
Patent GB-547869-A (GB)
Title: Jigs for use in sharpening rotary drill bits
IPC: E21B10/54
Filed: 1941-11-06
Abstract: 547,869. Grinding drill bits. MANCHESTER COLLIERIES, Ltd., and SMELLIE, J. Nov. 6, 1941, No. 14301. [Class 60] A template jig for use in grinding drill bits of the types used in drilling shot holes in quarries &c. such, for example, as is shown in Fig. 1 comprise a knuckled handle 1, Fig. 3, drilled to receive the stem a of the bit. A sleeve 5 adjustable on the body of the handle has pairs of lugs offset sufficiently, as shown in Fig. 4, so that template arms 9 pivoted between them can engage squarely against the flat faces d of the bits. The arms have spigots 12 mounting springs received in holes in the sleeve to permit the arms to move outwards to pass the bosses b of the lips. The bit is secured on the jig by a screw 3 entering the groove a' and passing through a slot on the sleeve which is clamped in position according to the length of the wings of the drill bit by a nut 8. In a modification the sleeve is split to open hingewise as to pass the bosses of the bits.
Patent GB-909588-A (GB)
Title: Improvements in the preparation of a halogenated diels-alder type of insecticide
Inventor: KIMBALL RICHARD HAZEN
IPC: C07D327/10
Filed: 1960-03-21
Abstract: Organic cyclic sulphites are prepared by (i) preparing the Diels-Alder adduct of a hexahalocyclopentadiene (where the halogen is chlorine, bromine, fluorine or a mixture of these) and an unsaturated dihydric alcohol, in the presence of an alkali metal or alkaline earth metal carbonate, an epoxide or a mixture thereof, at at least 75 DEG C., the alcohol being slowly added to a quantity of hexahalocyclopentadiene in excess of the stoichiometric; and (ii) reacting this adduct with thionyl chloride at elevated temperature in the presence of either an excess of thionyl chloride or an inert solvent.  Specified products are 1,2,3,4,7,7-hexachloro-, 1,2,3,4-tetrachloro-7,7-difluoro-, 1,2,3,4,7,7-hexabromo-, 1,2,3,4,5,7,7 - heptachloro-, 1,2,3,4,5,6,7,7 - octachloro-, 1,2,3,4,5-pentachloro-7,7-difluoro-, 1,2,3,4,7,7-hexabromo-5-chloro-and 1,2,3,4,7,7-hexabromo - 5,6 - dichloro-bicyclo-(2,2,1)-2-heptene-5,6-bis-oxymethylene sulphites. Suitable unsaturated dihydric alcohols are cis-2-butenediol-1,4; cis-2-pentenediol-1,4; 1,2-bis-(hydroxymethyl)-cyclohexene-4; 1,2-bis-(hydroxymethy)-cyclohexadiene-1,4; 2,3-bis-(hydroxymethyl)-bicyclo - (2,2,1) - heptene - 5; 2,3-bis-(hydroxymethyl)-bicyclo-(2,2,1)-heptadiene-2,5; ci cis-1,2-dihydroxycyclopentene-3; cis-1,3-dihydroxycyclopentene-4; 2,3-bis-(hydroxymethyl)-4,5-epoxy-bicyclo-(2,2,1)-heptene-2; 1,4-dihydroxy-2-chlorobutene-2; 1,4-dihydroxy-2,3-dichlorobutene-2; 1,4-dihydroxy-2,3-dichloropentene-3; 1,2-bis-(hydroxymethyl)-4-chlorocyclohexene-4; 1,2 - bis - (hydroxymethyl)-4,5-dichlorocyclohexene-4; 1,2-bis-(hydroxymethyl)-4-chlorocyclohexadiene - 1,4; and 2.3 - bis - (hydroxymethyl)-5-chlorobicyclo-(2,2,1)-heptadiene - 2,5; allyl and vinyl glyceryl ethers; allyl and vinyl pentaerythritol ethers; acrylic and methacrylic esters of glycerol, pentaerythritol and other polyhydroxy compounds.  Carbonate and epoxide catalysts and inert solvents are also specified.  The products of the invention are herbicides, fungicides, insecticides and disinfectants.  Reference has been directed by the Comptroller to Specification 810,602.
Patent GB-215979-A (GB)
Title: A combined microscope objective and illuminator for examining and illuminating an object from the same side
IPC: G02B21/08
Filed: 1923-05-31
Abstract: 215,979. Chapman, W., and Alldridge, R. S. May 31, 1923. Microscope condensers. - Opaque objects for examination in the microscope are illuminated by a condenser from above utilizing an annular beam of light and arranged so that the objective is inserted in the centre of the illuminator with the focus of the condenser coinciding with the focal plane of the objective. In the example a dark ground illuminator having two concentric silvered surfaces A, B is mounted in conjunction with an objective C, the front lens of which forms part of the illuminator, so that the incident light from an annular reflector H is brought to a focus on the object to be examined and the object is viewed through the aperture in the reflector H thus eliminating undesirable reflections.
Patent GB-992129-A (GB)
Title: Improvements in or relating to form stands
IPC: A47B21/04
Filed: 1962-04-13
Abstract: 992,129. Typewriters. LAMSON PARAGON Ltd. April 13, 1962 [Sept. 28, 1961], No. 14366/62. Heading B6F. Web feeding and guiding arrangements.-A form stand 10, in Fig. 5, for a typewriter for supporting and guiding of a continuous web of zig-zag folded forms 32, comprises a base 11, having fixedly mounted thereto a pillar 12 and upper and lower shelves 15, 16, respectively, adjustably mounted thereon by clamping brackets 18, with the shelves being offset laterally, so that an edge 35 of the upper shelf 15 is disposed in a vertical plane containing the centre of the lower shelf 16. The edge 35 is used as guide for folding of the typed forms 32 on the lower shelf 16, which may be provided with refold guides 21, mounted adjustably thereon to accommodate varying widths of forms 32. The form stand may co-operate with in-feed and out-feed guides 30, 31, respectively. Specification 983,835 is referred to.
Patent GB-248608-A (GB)
Title: Improvements in and relating to the lubrication of axles
IPC: B61F17/22
Filed: 1925-06-02
Abstract: 248,608. Graham, P. G. June 2, 1925. Force-feed lubricating.- A lubricating device for axle-boxes comprises one or more paddles 11 carried by a spindle 15 rotatably mounted in a casing 12 pivoted on a pin 17 inserted in the lower part of the axle-box from the outside, the casing being pressed upwards by a spring 22 so as to bring a wheel 16 on the spindle 15 into driving relation with the flange 21 of the axle 10. The casing 12 has an inlet slot 13 at the bottom and outlet slots 23 at the top arranged so that the paddle delivers oil from the well 9 to the lower part of the axle throughout substantially the whole length of the journal. The inner end 14 of the casing abuts against the inner end of the box, and the casing is guided' by side lugs 20 engaging partitions 18 in the box. A handle 29, Fig. 5, is provided for inserting or withdrawing the device through a hole 33, the handle having bayonet slots 30 adapted to engage pins on the spindle 15. Axle-box shields.-An oil-retaining and dustexcluding wooden shield 25 mounted in a recess 26 in the box has a sealing washer 27 of raw hide let into either face of the shield and a felt ring 28 inserted in a recess in the inner periphery of the shield.
Patent GB-543986-A (GB)
Title: Improvement relating to calendars
IPC: B42D5/04
Filed: 1940-09-20
Abstract: 543,986. Calendars. BEMROSE & SONS, Ltd., and BEMROSE, E. C. Sept. 20, 1940, No. 14388. [Class 106 (iv)] [Also in Group XV] In a daily calendar, the sheets 4a, 'which have consecutive dates on opposite sides, are removably mounted by means of apertures threaded on posts 2, so that the top sheet can be turned over and replaced, and the sheet 4m carrying the last day of the month is made longer than the others, to receive the name of the month. The posts are in the form of prongs, which have their upper ends 2a bent over and are enclosed in a sleeve 3. The apertures in the sheet are connected by a slit to the edge of the sheet.
Patent GB-518067-A (GB)
Title: Improvements in photographic emulsions
IPC: G03C1/34
Filed: 1938-05-13
Abstract: 518,067. Sensitizing and stabilizing silver halide emulsions. KODAK, Ltd., and DAVEY, E. P. May 13, 1938, No. 14397. Drawings to Specifications. [Class 98 (ii)] A photographic silver halide emulsion is supersensitized by a combination of a 2<1>- cyanine 4<1>-cyanine, or a: a1-carbocyanine with at least one heterocyclic nitrogen base containing an alkyl group on the basic nitrogen atom and an acylmethylene group in the adjacent position. The bases may be used in emulsions either containing or not containing sensitizing to prevent fog, and some of the bases sensitize silver chloride emulsions. Numerous examples of cyanines and bases are given, the latter being mainly derivatives of benzthiazoline, #-naphthathiazoline, and benzselenazoline, but 1:6- dimethyl-2-formylmethylene-1 : 2-dihydroquinoline is referred to. Tables and curves of the effect of various combinations are given. The emulsion binder may be gelatine, a resinous substance, or a cellulose derivative, and the emulsions may be coated on supports of glass, cellulose derivative, paper or resinous material. Specifications 466,268, 466,269, [both in Group IV], 498,031, 498,289, 498,290, and 498,291 are referred to.
Patent GB-594432-A (GB)
Title: Improvements relating to building units and to apparatus for use in making them
IPC: B28B23/02
Filed: 1945-06-07
Abstract: 594,432. Moulds for concrete building units. RIDDELL, J. F. June 7, 1945, No. 14406. [Class 87 (ii)] A concrete building unit consisting of two blocks joined together by metal tie-rods 23, is made in a bottomless metal mould comprising two side walls 11, 12, two end walls 15, 16 removably attached,to each other, and two partitions 13, 14 slidable vertically in angles 17 on the end walls. The partitions have vertical slots 18, open at their bottom ends, and pivotally mounted plates 19 having circular slots 21. The tie-rods are located in the slots 18 by engagement with the slots 21. The plates 19, which have small handles 26 and are held in position by clips 22, prevent concrete from flowing through the slots. The partitions are removed vertically after casting.
Patent GB-516967-A (GB)
Title: Improvements in or relating to furnaces for heating boiling pans and for like purposes
IPC: A47J27/14
Filed: 1938-05-14
Abstract: 516,967. Boiling-pan furnaces. PITTAWAY, H., and WARD, E. G. May 14,1938, No. 14415. [Class 51 (i)] [Also in Group XIII] A liquid fuel furnace for heating two or more boiling pans a, b consists of a combustion chamber or flue in the upper part of which the boiling pans are arranged, baffles f, g with inclined surfaces being arranged beneath the pans to direct the gases from the burner e towards the pans. The combustion chamber or flue may be of undulating form in elevation with the pans arranged at the crests of the undulations. The baffles f, g may be of increasing height towards the end of the chamber remote from the burner. The gases leaving the combustion chamber may pass direct to the chimney or to a hollow tray or table l at one end of the chamber. In a modification a burner heats two combustion chambers arranged in alignment on opposite sides, of the burner.
Patent GB-1146702-A (GB)
Title: Improvements relating to tabulating programming control systems for use with punchedcode controlled typewriters or other like business machines
Inventor: HIRATA SHINICHI
IPC: B41J5/38
Filed: 1966-04-01
Abstract: 1,146,702. Typewriters &c. RICOH K.K. 1 April, 1966, No. 14510/66. Heading B6F. A tabulating mechanism for use in a typewriter or like business machine operated by a record, e.g. a punched tape having tab-setting and tab-clearing, comprises -an elongated shaft 6 having a .plurality of annular grooves in which tab-stop springs 17, having bent-up projections 17b, (17c), are shifted to set the stops. A tabstop spring is set by rotation of the shaft 6 by an electromagnet 9, via link 11 and pin 7, and the bent-up end 17b engages a tab-stopping member 20 travelling slidably in synchronism with the movement of the typewriter carriage. The shaft is restored by a spring 14 when the electromagnet 9 is released but the spring-stop 17 remains displaced in a notch in the annular groove. The carriage is arrested by the end (17c) of the spring engaging a projection 20c on the member 20. The stop is restored by operation of another electromagnet 10 which turns the shaft,6 in the other direction to annually slide the spring 17 into original position.