baber/WOPTO huggingface dataset:
Patent GB-191030-A (GB)
Title: Improvements in means or processes for the manufacture of artificial pearls and the like
IPC: B44F9/08
Filed: 1922-12-22
Abstract: 191,030. Roussel, E. Dec. 24, 1921, [Convention date]. Void [Pubdished under Sect. 91 of the Act]. Ornamenting; ornamenting fabrics; wreaths, funeral crosses, and the like.-The bulbs of the marine plant, varec, of the genus Zostera are treated to form beads for use in jewellery, for making buttons, and' the general ornamentation of articles of dress and furniture, and for funeral purposes, wreaths &c. The bulbs are dried, freed from roughness by a scraper, and pierced from side to side or on one side only. They are then painted with ordinary colouring matter or with a celluloid mixture and treated with varnish or in other ways to give them varied colours &c. They may be metallized by spraying or depositing metal. The beads so prepared may be threaded, or may be fixed on bands of leather, ribbon, rubber, or on metal chains. A screw pin may be inserted into the bead, the pin being formed at the outside with an eye. To make buttons, the beads are covered with fabric, the edges of which are sewn underneath to form shanks for attachment.
Patent GB-211295-A (GB)
Title: Improvements in and relating to hat pegs
IPC: A47G25/10
Filed: 1922-12-27
Abstract: 211,295. Owensmith, W. Dec. 27, 1922. Hooks. - A device for suspending wearing apparatus from tent poles comprises one or more pegs c of the kind described in Specification 130,951, pivotally mounted beween pairs of lugs b, b stamped out from a metal clamping band a. The band a is provided with a pair of clamping lugs e, g, drawn together by means of a bolt and butterfly-nut h. One or both of the lugs may be slotted to receive the bolt. The bolt may be provided with a square head, one face of which abuts against the band to prevent the bolt from turning.
Patent GB-999406-A (GB)
Title: An amplitude modulator
IPC: H03C1/54
Filed: 1963-09-05
Abstract: 999,406. Balanced amplitude modulators. TELEFONAKTIEBOLAGET L. M. ERICSSON. Sept. 5, 1963 [Sept. 5, 1962], No. 35206/63. Heading H3R. Modulation is applied in push-pull to the bases of a pair of transistors T1b, T2b through a transformer 11 with centre tap to which a single-ended carrier input is supplied, and a balanced modulated output obtained from a transformer TR2 between the collectors. Equal resistors Rl, R2 shunted by a variable reactance and/or resistance R5 are included in the emitter circuits to adjust the working points. To utilize both half cycles of the carrier, it may be applied also in anti-phase to a further pair of transistors T la, T2a also with modulation in push-pull applied through a centre tapped winding 10, and with the emitters connected across R1, R2, R5 and collectors to opposite ends of the output transformer TR2. Resistors R4, Rl determine the input and output impedance of the modulator.
Patent GB-1147686-A (GB)
Title: Phosphate mining
Inventor: EVERY RICHARD LOS
IPC: E21B43/28
Filed: 1966-08-05
Abstract: 1,147,686. Solution, mining; acidising wells. CONTINENTAL OIL CO. 5 Aug., 1966 [30 Sept., 1965; 30 March, 1966], No. 35264/66. Heading E1F. Phosphatic minerals, which are covered by a layer of non-phosphatic material, are recovered by passing into contact with the mineral deposit a solution of a dilute, aqueous mineral acid and withdrawing a suspension of phosphatic materials resulting from the contact. The suspension may be formed in the contacting acid or in water or additional dilute mineral acid. The process may be accomplished by two well bores one for feeding acid and the other for recovery. A similar technique may be employed in the acidization of wells.
Patent GB-1350274-A (GB)
Title: Corrosion inhibitor
IPC: C23F11/18
Filed: 1971-07-27
Abstract: 1350274 Corrosion-inhibited herbicidal composition DOW CHEMICAL CO 27 July 1971 [28 July 1970] 35270/71 Heading A5E [Also in Division C7] A corrosion-inhibited herbicidal composition comprises a halophenoxy alkanoic acid or a soluble salt thereof and boric acid or a soluble salt thereof and a corrosive chelating agent. The organic acid may be where R=H or alkyl, each R' and R" is H, halogen or alkyl, n=0-16, at least one of R and R" being H and at least one of R' and R" being halogen, the total number of C atoms in -CHR(C n H 2n )COOH being 2 to 18; this may be in the form of a herbicidal aqueous solution, whose corrosivity is reduced by the addition of boric acid (which term includes ortho-, meta-, tetra- and penta-boric acids); said corrosive chelating agent may be citric or tartaric acid, EDTA, or nitrilotriacetic acid. Inhibition is more effective at higher pH values; the acids are thus preferably present in the form of an alkali metal, ammonium, or amine salt; the herbicide is then less corrosive to a metal container, e.g. of steel.
Patent GB-1393897-A (GB)
Title: Liquid fuel injection pumping apparatus
IPC: F02M41/14
Filed: 1971-07-27
Abstract: 1393897 Fuel injection pumps C A V Ltd 21 July 1972 [27 July 1971] 35313/71 Heading F1A A rotary distributer fuel injection pump has a rotary distributer member 11 having a passage 18, 19, which when pressurized, simultaneously communicates with one of a plurality of outlet ports 20 and with one or other end of a transverse bore 26 containing a freely reciprocable shuttle 27, the fuel actually delivered to the outlet 20 commencing as soon as the shuttle strikes the opposite end of its bore 26. Fuel enters and leaves the ends of the bore 26 through ports 31, 32. Each port alternately registers with a highpressure slot 34 and a low-pressure slot 33, there being a plurality of such slots in the periphery of the member 11. Thus when the passage 18, 19 registers with an outlet port 20, a slot 34 communicates, via an associated passage 21, with one end of the bore 26, the opposite end of the bore being connected by a low-pressure slot 33 to a feed passage 23. The resulting stroke of the shuttle 27 is adjustable by a rotatable cam 29 thereby to vary the quantity delivered. Fuel enters the pumping cylinders 13 through the passages 21 each time one of the latter aligns with an inlet port 22.
Patent GB-909109-A (GB)
Title: Improvements in separators for pressure vessels such as pressure accumulators
IPC: F15B1/16
Filed: 1958-11-04
Abstract: 909,109. Hydraulic accumulators. MERCIER, J. Nov. 4, 1958, No. 35417/58. Class 69 (2). An hydraulic accumulator comprises a bladder 14, Fig. 1, of resilient deformable material having a mouth at one end substantially equal in diameter to the largest diameter of the bladder in a container 11 having a port 12 at one end, and a disc 18 adapted to be secured to the port and having a passageway 37 therethrough to provide communication between the interior of the bladder and the exterior of the container, the disc having a diameter greater than the portion of the bladder adjacent the mouth and such that its top surface engages the underside of the container adjacent the port, whereby, by reason of the resilience of the bladder, the wall portion of the bladder adjacent the mouth snugly engages the top and sides of the disc. The disc is provided with a projection 23 which abuts the undersurface of the container when a nut 21 on a threaded extension 19 on the disc is tightened to clamp the beaded edge 17 of the bladder, which may be of natural or synthetic rubber or plastic; and an 0-ring 25 against the undersurface of the container. To assist the assembly of the lower part of the accumulator, an extension 16 on the bladder can be inserted in the passageway 37, either manually or by evacuating the bladder, and retained therein by a clamp 38. A cup-shaped cap 28, which is provided with a port 33 and annular projections 35 in which a perforated plate 36 is positioned, is fitted on the end of the container. The lower part of the container is heated to melt rings 41, 43 of silver solder or the like to weld the cap and plate to the container. In another embodiment, the container has a larger diameter port and the disc is pressed against the undersurface of the container to clamp the bended edge of the bladder by a plate shaped to engage the port and the outer surface of the container, the disc and plate being pressed together by a nut on a threaded extension on the disc. In a further embodiment, the bladder is clamped to the container by a disc 18<SP>11</SP>, Fig. 3, having a bore 58 and a concave undersurface which receives a mass 61 of self-sealing rubber pressed against the disc by a plate 62 having a bore 64. The disc is held against the container by a resilient clamping member 67 which is welded to the disc and engages the walls of the port and the top surface of the container. In order to move the bladder upwards to the position shown slotted during the assembly of the lower part of the container, a hollow needle is passed through the rubber 61 and the bladder evacuated, the needle then being withdrawn to permit the rubber to seal the chamber and retain the bladder in the upper position during fitting of the cap. After assembly, the needle is reinserted in the rubber to connect the interior of the bladder to the atmosphere. Specification 909,110 is referred to.
Patent GB-467645-A (GB)
Title: Improvements relating to adjustable seat mechanisms
IPC: A47C7/56
Filed: 1935-12-21
Abstract: 467,645. Seat adjustments. CHAPMAN, A. W. Dec. 21, 1935, No. 35425. [Class 52 (ii)] Mechanism for adjusting a seat on vertical or inclined guides includes a cross member cranked backwardly to accommodate the rotatable nut of the elevating gear, the nut working on a fixed screw and the cross member being arranged near the lower ends of the slide members. The seat frame 3 is pivoted at 4 to slides 6 running in fixed guides 7 secured, for example, to a bulkhead. The lower cross-bar 16 is cranked rearwardly at 17 and carries at that point a nut working on the fixed screw 12. The nut is rotated, to raise and lower the seat, by a crank 14 connected to it by gearing. The operating crank may be arranged at one side of the seat on a cross-shaft. The cross member 16 and pivots 4 may be arranged below the seat. Upper cross members 9, 10 carry a seat back 18. Specification 366,489 is referred to.
Patent GB-411545-A (GB)
Title: Improvements in or relating to implements for driving staples, tacks or like fasteners
IPC: B25D1/00
Filed: 1932-12-14
Abstract: 411,545. Nailing and stapling hand tools. BOSTON WIRE STITCHER CO., Division Street, East Greenwich, Rhode Island, U.S.A. Dec. 14, 1932, No. 35485. Convention date, June 8. [Class 89 (iii).] An implement of the hammer type for driving staples, tacks, or other fasteners comprises a hollow sheet-metal handle 2, which is provided with a rubber grip 8 retained in position by a detachable end cap 11. A hollow head 17 integral with the handle is reinforced by metal straps 22 and provides a slideway for a block 91 which carries a driver 95. A sheet-metal magazine 26, shown adapted to receive staples s, is secured in the handle 2, and carries, at its front end, a block 32. The staples are fed by a pusher 41 and spring 43, a lug 46 engaging a stop in the head 17 to limit the forward movement of the pusher. A reinforcing member 29 secured to one side wall of the handle has a flange 31 which overlies the magazine to prevent riding-up of the staples. The spring 43 is wound on a spool 45 which has provision for turning it in order to adjust the tension of the spring. The driver block 91 is actuated by a bell-crank lever 100 pivoted at 86, the short arm of this lever being connected to the short arm of an impact lever 111. When an operator strikes a blow upon work with the head 17, the lever 111 is rocked until the block 32 encounters the work. The lever 111 rocks lever 100 and this, in turn, forces down the driver 95, which drives into the work the staple which has been positioned below it by the pusher. The lever 100 normally is held raised, to an extent controlled by a stop 108, by a spring 103. Downward movement of the lever 100 is limited by its engagement with a flange 66 on the member 29. An opening in the head 17 opposite the magazine 26 is closed by a gate 78, which has hooked limbs 76 detachably pivoted on a stud 73. The gate is held by a spring 84 either in the closed position shown, where it forms a stop for the staple in driving position, or in an open position ready for the loading of the magazine with a new charge of staples. A pawl 62 is urged by a spring 64 into a position where it engages the staples on the magazine to prevent any feeding thereof. When the gate 78 is swung to closed position, it engages a lug 63 on the pawl to disengage the latter from the staples. Assembly of the levers 100, 111 and the pivots 86, 120 is facilitated by slots 122 on the head 17. Specification 411,760 is referred to.
Patent GB-1200352-A (GB)
Title: Cushion and skin therefor
Inventor: STEERE FRANK WALTER JR
IPC: A47C27/14
Filed: 1967-08-02
Abstract: 1,200,352. Moulding cushions. F. W. STEERE. 2 Aug., 1967 [4 Aug., 1966], No. 35496/67. Heading B5A. [Also in Division A4] A cushion mould 20 has posts 25 upstanding from its bottom and is fitted with a cover 30 optionally provided with apertures 31 for receiving the tops of the posts 25. In use the mould and its posts 25 are first lined with a vinyl plastisol to form a skin covering for the cushion. The cushion filling material of plastics or rubber is then foamed in the lined mould. The mould lid 30 may comprise a base for the cushion and may be pre-coated with adhesive. As shown, the posts 25 are circular in crosssection and are flared at their lower ends 26. Further posts (27, Fig. 7) are rectangular in section and form openings in the cushion to receive seat belts.
Patent GB-410893-A (GB)
Title: Improvements in or relating to sewing machines employed for basting garments
IPC: D05B27/18
Filed: 1932-12-16
Abstract: 410,893. Sewing - machines. MASTALIA, E., (known as MASTLE, H.), 52, Avenue Road, Chapeltown, Leeds. Dec. 16, 1932, Nos. 35633/32 and 7564/33. [Class 112.] The upper foot 24 of an edge-rubbing device is pivoted to an adjustable plate 12 and is controlled by a spring 28. The plate 12 is adjusted relative to an arched reciprocating lever 1 by an eccentric 19 and is locked by a wing nut 13. The inclination of the foot 24 is set by an eccentric 33 which bears against an extension 34. In a modification the inclination is set by an adjustable stop. A non-resilient foot is obtained by locking the foot to the plate 12 with a screw 37. The resiliency of the lever 1 is thus provided by a spring 42 connected to a guide 4. The machine is described in Specification 395,724. Specification 9833/15, [Class 112], also is referred to.
Patent GB-1003497-A (GB)
Title: Improvements in electrical rotating machines
IPC: H02K23/54
Filed: 1963-09-10
Abstract: 1,003,497. Dynamo-electric machines. SOC. D'ELECTRONIQUE ET D'AUTOMATISME. Sept. 10, 1963 [Sept. 11, 1962], No. 35666/63. Heading H2A. In an electrical rotating machine, e.g. motor, having at least one magnetic field-creating stator member co-operating through a short air-gap with a hollow cylindrical rotor member the latter encloses a magnetic member free to rotate independently of the rotor member and one of the members has at least one winding formed of flat thin conductors bonded to the faces of a thin insulating carrier by a printed circuit technique. In the cylindrical air - gap machine shown in Figs. 1 and 2, the stator comprises casing plates 11, 12 supporting struts 10 within which are supported equispaced alternatepolarity field magnets 8, 9 and brushes 15 which engage the wave or lap winding 16 . . . 22 printed on the two faces of a carrier longitudinally stretched between annular end supports 2, 3 secured to a shaft 4 rotatable in bearings 13, 14; the magnetic member 5, mounted on bearings 6, 7 completes the magnetic flux path. In Fig. 3, a stationary printed winding 41 forms the field and the rotor is a thin copper cylinder 31 stretched between the end discs 2, 3, and in both embodiments the member 5 may have permanent magnet poles in which case it will freely rotate. In the flat air-gap machine shown in Fig. 5 the stator comprises rings of permanent magnets 58, 59 or coercive ferrite between which are two electrically-independent printed circuit winding discs 61, 62 glued to a ring 62 engaged by brushes 63 and enclosing a freely rotatable ring 55 of either soft iron or ferrite which may be magnetized. Alternatively the Fig. 5 machine may be constructed as a Fig. 3 counterpart, having printed circuit stator field windings and a twin copper disc rotor. Specifications 874,394 and 902 295 are referred to.
Patent GB-472627-A (GB)
Title: An improved optical lens system
IPC: G02B13/00
Filed: 1935-12-24
Abstract: 472,627. Lenses. BARON, H. (Neufeldt & Kuhnke Ges.) Dec. 24, 1935, No. 35782. [A Specification was laid open to inspection under Sect. 91 of the Acts, June 25, 1936.] [Class 97 (i)] A lens system particularly for signalling &c. with infra - red radiation is achromatized for wavelengths between about 1À2 Á and 2À6 Á with an aperture ratio of at least ¢ by making it of at least two kinds of material, rock salt, fluorspar, potassium bromide, and sylvin belonging to one kind and flint glass, particularly heavy fiint glass, and quartz belonging to the other kind. The system may be achromatized down to 0À7 Á. Fig. 1 shows a system for focusing rays from a source 9, consisting of two similar symmetrically-disposed components, each comprising a rock salt lens 2 cemented between flint glass lenses 1, 3. One of these components may be used alone to obtain parallel emergent rays. Fig. 2 shows a symmetrical system of three components with two air gaps, each outer component comprising a double convex rock salt lens 4 cemented between a double concave flint glass lens 1 and a collective flint glass meniscus 2, and the inner component comprising a double convex rock salt lens 5 between dispersive flint glass menisci 3. This system may be divided along the plane of symmetry 6. Data are given for both the forms shown.
Patent GB-785170-A (GB)
Title: Polyvinyl acetals
IPC: C08F8/28
Filed: 1955-12-15
Abstract: Polyvinyl acetals are prepared by the reaction of a polyvinyl ester with a lower aldehyde at an elevated temperature while the reactants and products are dissolved in an aqueous saturated lower fatty acid containing an acid catalyst under such conditions that discoloration of the acetal by reaction with atmospheric oxygen is inhibited.  The reaction may be carried out in an inert atmosphere, e.g. nitrogen, containing less than 0.1 per cent of oxygen, or in the presence of small amounts of sodium sulphoxylate formaldehyde.  The specified ester is polyvinyl acetate, the aldehyde is formaldehyde, the fatty acid is formic or acetic acid and the catalyst either sulphuric acid or perchloric acid or a cation-exchange resin containing sulphonic acid groups. The polyvinyl acetal produced using sulphuric acid as catalyst may be heated with an alkali metal salt of an acid from the lower fatty acids (e.g. sodium acetate), thiocyanic acid, thiosulphuric acid and thiophosphoric acid.  The process may be carried out continuously and the acetal may, after precipitation, be washed and dried in the presence of 2,6-di-t-butyl-p-cresol.
Patent GB-468220-A (GB)
Title: Improvements relating to latch bolts
IPC: E05C19/04
Filed: 1935-12-31
Abstract: 468,220. Door &c. fasteners. TONKS, W. H., and SPARKS, W. Dec. 31, 1935, No. 36043. [Classes 44 and 65 (i)] In an adjustable catch bolt comprising a pair of screw-connected parts n, k influenced by a spring m, the head l of the part k is prevented from rotation by being fitted in a rectangular casing c, and the part n is normally prevented from rotation by engagement of its prongs with squared openings in the face plate a. It is provided with a roller o having a slot t or may have its end rounded and slotted. To effect adjustment, the part n is pressed back against the spring w so that its ends clear the slot in the face plate and it is then turned by a tool or coin inserted in the slot t, In a modification, the part into which the member n is screwed is prevented from rotation by studs. The fitting may be applied to the vertical edge of a door or to its bottom edge.
Patent GB-919661-A (GB)
Title: Improvements in electrical connections and methods of making them
Inventor: SWENGEL ROBERT CHARLES
IPC: H01R4/48
Filed: 1961-10-09
Abstract: 919,661. Cable and wire terminals; couplings; binding posts. AMP Inc. Oct. 9, 1961, No. 36175/61. Class 38 (1). A connector element comprises a helix 6 of conductive metal, e.g. brass or bronze of rectangular cross-section and connection is made to a conductor 8 by extending the helix and securing it on the conductor in such a way that parts of the conductor extend radially between the turns of the helix. The element may be crimped or pressed to embed it into the conductor and may be formed with a hair-pin shaped terminal 10 to engage a printed circuit panel. Various configurations of the element are described including a tapered helical bore (Fig. 10, not shown).
Patent GB-927707-A (GB)
Title: Process for the production of polyethylene foams
IPC: C08J9/00
Filed: 1960-10-21
Abstract: Polyethylene foams are produced by extruding a flowable gel, containing polyethylene, a volatile organic foaming agent which is a non-solvent or a poor solvent for the polyethylene, and a small amount of a thermoplastic homopolymer or copolymer of a monovinyl aromatic hydrocarbon of the benzene series, at an elevated temperature into a zone of lower pressure.  Specified aromatic polymers are homopolymers of styrene, vinyl toluene, vinyl xylene, ethyl vinyl benzene, isopropyl styrene, tert-butyl styrene; copolymers of two or more of such monomers; and copolymers of one or more such monomers and a monomer such as acrylonitrile.  Other additives referred to are aluminium stearate, zinc stearate, finely-divided calcium silicate, diatomaceous earth, calcium carbonate and barium sulphate.ALSO:Polyethylene foams having uniform fine cells are produced by extruding a flowable gel, containing a polyethylene polymer, a volatile organic foaming agent which is a non-solvent or a poor solvent for the polyethylene, and a small amount of a thermoplastic homopolymer or copolymer of a monovinyl aromatic hydrocarbon of the benzene series, at an elevated temperature into a zone of lower pressure.  Specified aromatic polymers are homopolymers of styrene, vinyl toluene, vinyl xylene, ethyl vinyl benzene, isopropyl styrene, tert-butyl styrene; copolymers of two or more of such monomers; and copolymer of one or more such monomers and a monomer such as acrylonitrile.  The blowing agent mentioned is 1, 2-dichlorotetrafluoroethane.  Other additives referred to are aluminium stearate, zinc stearate, finely divided calcium silicate, diatomaceous earth, calcium carbonate and barium sulphate.  In Example 1, a mixture of polyethylene, zinc stearate, calcium silicate and polystyrene is fed into a plastics extruder comprising a 1,2 m. long barrel having a 6,4 cm. diameter screw and a sealing plate positioned midway of the screw. Adjacent to the sealing plate there is an inlet for feed of a volatile organic blowing agent. The heat-plastified polyethylene is forwarded under pressure around the sealing plate and into the second section of the barrel, mixed with the blowing agent, the mixture brought to a temperature of 100-104 DEG C. and forced through a circular discharge orifice 0,7 cm. diameter into the atmosphere.  In Example 2, the extruder has a 15 cm. diameter screw and comprises a first pressing and heating zone, a second heating zone and a third mixing and cooling zone; in this example the extrusion was through a slot die 0,5 x 8,9 cm. cross-section.  U.S.A. Specification 2,453,088 is referred to.