baber/WOPTO huggingface dataset:
Patent GB-1518411-A (GB)
Title: Construction materials and earthworks construction
IPC: C09K17/12
Filed: 1976-03-05
Abstract: 1518411 Stabilizing soil DRESSER INDUSTRIES INC 5 March 1976 [19 March 1975] 08988/76 Heading E1F [Also in Division Cl] A construction material which will set, and thus form a water-insoluble solidified material from an unconsolidated material in the form of an aqueous slurry, is produced by mixing not more than 150 grams of hydraulic cement and a water-soluble alkali metal silicate having a silicate content corresponding to not more than 11 grams of SiO 2  with each litre of unconsolidated material. The cement may be Portland cement, high alumina cement, high strength cement, slow-set cement or silicateresistant cement. The construction material may be used for constructing earthworks and in one embodiment an island projecting from the floor of a body of water is constructed using dredgings from the floor as the unconsolidated material.
Patent GB-115533-A (GB)
Title: Improvements in Envelopes and the like.
Inventor: HOLDEN FREDERICK MESSENGER
IPC: B65D27/06
Filed: 1917-06-26
Abstract: 115,533. Holden, F. M. June 26, 1917. Envelopes.-A cover 7, formed as shown in Fig. 1, is applied to an envelope so as to form a reply envelope, Fig. 3. The cover may have a transparent panel, in which case the outward address would be upon a slip of paper placed between the panel and the return envelope. Reference has been directed by the Comptroller to Specification 10447/05.
Patent GB-127227-A (GB)
Title: Improvements in or relating to Electric Motors.
IPC: F16D1/02
Filed: 1918-05-17
Abstract: 127,227. Portable Electric Motors, Ltd., and Fryer, G. May 17, 1918. Casings; motors, gearing for. - Relates to portable motors adapted for the attachment of a flexible shaft at either end of the machine, and consists in extending the shaft at both ends and in enclosing the end of the shaft not required by a metal cap 25 with a reinforced edge 26 which screws upon a sleeve 24 fixed to or integral with the end brackets 6, 7. At the end in use, the threaded part of the bracket receives the stationary casing of the flexible shaft as seen at the right of the Figure.
Patent GB-607673-A (GB)
Title: Improvements in resilient devices primarily for shock absorption
IPC: F16F9/508
Filed: 1946-03-25
Abstract: 607,673. Liquid springs. DOWTY EQUIPMENT, Ltd., and BINGHAM, A. E. March 25, 1946, No. 9184. [Class 108 (iii)] In a telescopic resilient device and damper of the kind in which liquid is resiliently compressed by entry of a plunger into a cylinder, damping being afforded by a piston-head on the plunger which partitions the cylinder into two axially-spaced compartments connected by a restricted passage, the pistonhead is mounted with freedom for limited axial travel with respect to the plunger. In the construction shown in Fig. 2, the pistonhead 4 has a bore 4a by which it is slidably mounted on the inner end of the shock absorber plunger 5. The latter has a reduced neck portion 5a, defining enclosed liquid spaces 7, 8 on either side of a partition 4b in the bore 4a which are connected by damping passages 9, 10, 11 adjustable on assembly by a needle valve 12. The passages 10, 11 are slightly spaced from the ends of the neck 5a to provide cushioning of extreme movement of the damping head in either direction. In a simpler construction (Fig. 1, not shown), damping is provided at each extreme only, of damping- head movement. The damping head is in the form of a plain piston slidably mounted on a reduced neck-portion at the inner end of the plunger. The piston has open-ended recesses on either side face, respectively engaging with slight clearance at each extreme of movement, the shouldered end of the plunger where it joins the neck portion and a nut or enlargement mounted on the outer end of the plunger. In a third construction (Fig. 3, not shown), the damping head is in the form of a hollow piston having a reduced-diameter skirt the outer end of which is closed by a screw plug. The interior piston-space so formed is divided into two annular liquid-containing chambers by a piston mounted on the plunger. Each chamber is connected by a respective damping passage with the main cylinder so that on axial movement of the damping head liquid from the main cylinder is pumped by the plunger piston, into and out from, the chambers.
Patent GB-236990-A (GB)
Title: Improvements in or relating to dusters, polishing cloths and the like
IPC: A47L13/44
Filed: 1924-04-11
Abstract: 236,990. Fletcher, Z. W., Fletcher, R., and Fletcher, A., (trading as Fletcher, H.). April 11, 1924. Cloths stretched over backings. - A duster, polishing cloth or the like in the form of a bag 5 has securing - tapes 6 attached at some distance within the mouth of the bag, so that it can be secured over the heads of brooms, brushes, mops, &c. of different sizes. According to the Provisional Specification clip fastenings may be employed, and the cloths may be used over a polishing block. Also the wearing face may be of a number of thicknesses of material, or a separate pad may be attached to, or made up as, part of the bag.
Patent GB-678824-A (GB)
Title: Improvements in or relating to frying pans
IPC: A47J37/10
Filed: 1950-04-14
Abstract: 678,824. Frying-pans. SUTCLIFFE, W. April 12, 1951 [April 14, 1950], No. 9233/50. Class 66. A frying-pan 2 is provided with a lid 5 having an aperture 9 for escape of steam and so shaped as to guide splashing fat back onto the top of food being fried. The pan has an annular shoulder 3 to receive the rim 4 of the lid 5. A heat insulated knob 10 is fitted to the lid.
Patent GB-1520974-A (GB)
Title: Rubber to metal bonding
IPC: B29C65/00
Filed: 1976-03-12
Abstract: 1520974 Laminates HOHNY CHEMICALS CO Ltd 12 March 1976 [29 Aug 1975] 9256/76 Addition to 1520172 Heading B5N In a process for bonding rubber to a ferrous metal substrate, a copper layer is deposited on the substrate by an electroless or electrolytic process from a solution of a copper salt which does not simultaneously contain cupric and halide ions, an adhesive layer comprising an interpolymer derived from 40 to 99% by weight of at least one conjugated diene, 1 to 45% by weight of at least one vinyl-substituted heterocyclic base and 0 to 40% by weight of at least one additional copolymerizable monomer, contacting the adhesive layer with a curable rubber composition and uniting the assembly by the application of heat and pressure. Many suitable dienes and additional monomers are exemplified, the preferred heterocyclic bases being preferably of the pyridine, quinoline or isoquinoline series and containing only one CH2<C< substituent and -the rubber may be natural rubber, polybutadiene, polyisoprene, acopolymer of butadiene with acrylonitrile or styrene, or polychloroprene. The substrate may be in the form of wire, the process being applicable in the manufacture of steel reinforced tyres, belts and hoses.
Patent GB-1537413-A (GB)
Title: Dust extractor
IPC: B04B9/02
Filed: 1977-03-04
Abstract: 1537413 Centrifugal separators GOSUDARST PROEKT-KONSTRUKT I EXPERIMEN INST UGOLNOGO MASHINOSTROENIA "GIPROUGLEMASH" 4 March 1977 09298/77 Heading B2P A dust extractor comprises a housing 1 having therein a fan impeller 3 and a flow rectifier e.g. vanes 6, nozzles 8 for directing liquid into the air to be drawn into the housing 1 by the impeller 3, a chamber A, and a ring 7 secured to the housing 1 and spaced from the peripheral wall of the chamber A. In use, the rotating impeller 3 throws sludge and dust onto the wall of the chamber A. The film of sludge thus formed moves along the wall into a chamber B defined by the ring 7 and is removed from the chamber B through openings 17 in the lower part of the housing. The cleaned air stream is straightened by the vanes 6 and exhausted into the atmosphere. The impeller 3 may comprise front and rear discs 13 and 14 and a plurality of bent forward blades 15. It is driven by an electric motor 4 provided with grooves 18 for cooling water. The extractor may be used in association with mining machines and may be provided with a protective screen in front of the impeller 3.
Patent GB-694495-A (GB)
Title: Improvements relating to dust bins and like contamers
IPC: B65D41/06
Filed: 1950-04-15
Abstract: 694,495. Lids for hollow-ware. BRADLEY & CO., Ltd., and HOOD, R. T. April 16, 1951 [April 15, 1950], No. 9302/50. Class 66 A dustbin or like container having an.outwardly rolled mouth a<SP>1</SP> and a lid b the skirt of which fits over the mouth, has studs a<SP>2</SP> on the sides of the bin to co-operate with bayonet slots (not shown) in the skirt of the lid when the lid is replaced. The area of the skirt adjacent to the bayonet slot may be reinforced by a plate.
Patent GB-637060-A (GB)
Title: Improvements in or relating to electrical bridge systems
IPC: G01R17/10
Filed: 1948-04-02
Abstract: 637,060. Measuring bridges. SULLIVAN, Ltd., H. W., and GRIFFITHS, W. H. F. April 2, 1948, No. 9349. [Class 87] A Wheatstone bridge is adapted to measure resistance, inductance or capacity in either of two systems of units ; the ratio arms P, Q are such that their ratio differs from the nominal ratio by half the percentage difference between the two systems of units, and the standard arm S is calibrated in units midway between the two systems ; the arms P, Q or X, S are interchangeable according to the system of units desired. As applied to the Absolute and International units, the ratio P/Q is made 0.025 per cent less than its nonimal value and S is calibrated or adjusted so that, e.g. a nominal value of 10,000 ohms is 0.025 per cent low of 10,000 ohms (International units) and 0.025 per cent high of 10,000 ohms (Absolute units). Then since X=S.Q/P, X will be correct in Absolute units, and by interchanging Q and P (or X and S), X=S.P/Q and X will be correct in International units. The bridge may be similarly adapted to read in BA units or International units.
Patent GB-729451-A (GB)
Title: Improvements in variable electrical resistances and potentiometers
IPC: H01C10/04
Filed: 1952-04-15
Abstract: 729,451. Variable resistors. FOX, P. X. July 14, 1953 [April 15, 1952], No. 9376/52. Class 37. Relates to rotary-type variable resistors, provided with cam correction devices whereby the desired output law is obtained. The resistance element and the profile cam are rotated by the driving spindle. In the sine-cosine potentiometer shown the front-arm contact assembly 15 is secured to a pivoted arm 19, and is itself pivoted about the axis of the driving spindle 12 and rotation of the latter moves toroid resistance element 13 and a cam profile 14 whereby a cam follower 20 swings the pivoted arm 19 against the restraint of tension spring 21 so as to advance or retard the points of contact of the front sliding contacts 16 with the resistance element 13 in relation to what would be the contact points in the absence of cam correction. The contacts 16 and supporting blade springs 17 may be replaced by the pivoted, arcuate and roller contacts disclosed in Specification 716,737 and these contacts may be additionally cam corrected to give further variation of the output law over and above that attained -with the mechanism described above.
Patent GB-558597-A (GB)
Title: Improvements in or relating to thermionic amplifiers
IPC: H03G3/22
Filed: 1942-07-09
Abstract: 558,597. Thermionic amplifying circuits. STANDARD TELEPHONES & CABLES, Ltd., CHATTERJEA, P. K., and SCULLY, C. T. July 9, 1942, No. 9541. [Class 40 (v)] The gain of an amplifier is maintained constant despite variations in a voltage source supplying it by compensating changes in grid bias derived from a thermistor or thermally sensitive resistance element heated by current from the same source. Fig. 2 shows an indirectly heated thermistor T fed through a resistance 5 from the high tension battery, and forming, with resistance 2, a potentiometer across the grid bias source. In a modification a directly heated thermistor, Fig. 1 (not shown), may be used and a second thermistor 6 may be arranged in series with the directly heated thermistor 3 and the resistance 5, Fig. 3, to accentuate the control. Fig. 4 shows a thermistor T1 heated from the valve heater supply by the whole or part of the heater voltage when reduction may be effected by series condensers C, and arranged as part of the bias potentiometer. The arrangements are shown for thermistors having a negative temperature co-efficient but thermistors with positive co-efficients may be used in which cases the thermistors and resistances are interchanged in the arms of the potentiometers.
Patent GB-590158-A (GB)
Title: An electrode holder for use in electric welding
IPC: B23K9/28
Filed: 1945-04-17
Abstract: 590,158. Welding electrode holders. AUSTIN, R., April 17, 1945, No. 9550. [Class 39 (iii)] An electrode holder comprises a bar 1 having a recess 2 wherein screws an adjustable head 4 having an axial bore 7 and a transverse hole 5 for receiving the electrode which on adjusting the head is held by the bevelled face 9 of a spindle slidably mounted in said bore 7 and having a flattened foot 10 engaging lateral slots 11 in the head to prevent the said spindle rotating relative to the head.
Patent GB-116942-A (GB)
Title: Improvements in Flying Machines.
Inventor: KELLY WILLIAM HENRY
IPC: B64C33/02
Filed: 1917-07-04
Abstract: 116,942. Kelly, W. H. July 4, 1917. Aerial machines without aerostats; planes, construction, of.-A flying-machine comprises a body 5 to which are hinged concavo-convex flapping wings provided with rigid front edges curving rearwardly, the remainder of the wings being flexible. Fig. 1 shows wings comprising rigid front portions 29 extending also along the inner edge and formed with hinging flaps 27, and flexible portions 33 of canvas &c. reinforced by ribs 34 secured at 35 to the parts 29. In a modification, the ribs 34 are set more or less radially to the front edge of the wing. In the form shown in Fig. 6, the flexible portion comprises a series of thin plates 37 secured to the front portion 29 and connected together at the rear by pins and slots 38, 39 to allow for the curving of the wing when in action. Cars.-A car may be suspended from the body 5, the engines and operating-gear being mounted in the body and actuated by means of levers extending down to the car.
Patent GB-746375-A (GB)
Title: Improvements in and relating to the retreading of tyres
Inventor: KENT JAN HERBERT FARQUHARSON
IPC: B29D30/52
Filed: 1953-04-09
Abstract: 746,375. Retreading tyres. CHANNEL ISLANDS TYRE CO., Ltd. April 6, 1954 [April 9, 1953; Oct. 30, 1953], Nos. 9707/53 and 30074/53. Class 144 (2). In retreading a tyre by bonding a prevulcanized tread band 5 to the worn surface of a tyre by means of a cold-setting adhesive, a flexible impermeable membrane 10 is positioned around the tyre 2, when the tread band 5 is cemented thereon, to enclose the tread band and form a seal with the tyre sidewalls, pressure then being applied to the membrane to exert curing pressure on the bond between the tyre and the tread. As shown, the membrane may comprise a circumferentially split tyre inner tube fitted with a valve 11 to provide for exhausting of any entrapped air between the tread band, and the membrane 10 and tyre casing surface 1 respectively. To facilitate such air evacuation, the tread band may be provided with radial holes 7 in its groove bases and a series of channels on its underside connecting with the holes, and a strip of porous sacking is positioned between the membrane 10 and the tread band 5. To assist fitting of the tread band to the tyre surface 1 without entrapping air, a strip of glazed fabric may be placed around the cemented surface of the tyre prior to the application of the tread band, the glazed strip being subsequently withdrawn sideways from between the tyre and tread to allow gradual contact therebetween. Pressure is applied to the retreaded tyre and membrane assembly by placing the assembly in a container and subjecting it to fluid pressure. The one-piece tread band 5 may alternatively comprise a series of inter-engaging rings bonded side-by-side to the tyre. Specification 744,827 is referred to.
Patent GB-1487719-A (GB)
Title: Spraying apparatus using a valved aerosol spray can
IPC: B05B15/68
Filed: 1976-03-11
Abstract: 1487719 Actuating aerosol dispensing containers T J SMRT 11 March 1976 [20 June 1975] 09759/76 Heading F1R [Also in Division El]  An aerosol spray can is mountable between means 19, 20 on a housing 12 which is telescopically slidable on a housing 13 provided with a handle 55. Slidably mounted within the housing 13 is an actuator rod 15 having a trigger 56 and a further actuator rod 14 in the housing 12 is slidable within the rod 15 and is connected at the outer end to a bell crank 28 engageable with a spring-loaded rod 26 which has an end 27 adapted to engage and actuate the container valve actuator 25 when the rod 26 is pushed outwardly. The housings 12, 13 are held in a selected position by a friction ring 59 and the rods 14, 15 are positively held against relative axial movement in that selected position by a latch assembly 38 carried on the end of the rod 15 and including a spring-loaded latch (48) which is engageable with notches 36 formed in the rod 14. The latch is released from the notch by raising a pin 52. The housing and the rods are formed from half mouldings in plastic. The device is used for spraying marking paint and a bracket 69 is provided for attachment to a compass for marking circles.
Patent GB-583911-A (GB)
Title: Material forming die
IPC: B21J13/02
Filed: 1944-05-20
Abstract: 583,911. Dies for moulding-presses. LOEWY ENGINEERING CO., Ltd., and SALTER, F. S. May 20, 1944, No. 9776. [Class 87 (ii)] [Also in Group XXII] A press for working plastic material has a die that is closed wholly or in part at its end by a set of sliding plates locked to the die when in their inward positions. The plates 12 slide in guideways 13 in a member 27 containing separate hydraulic cylinders for'advancing and retracting each plate, so that the whole of these parts may be removed as a unit to provide a ready means of changing the die set-up. Projections 23 on the plates have conical flanks engaging corresponding surfaces on the die 10 that is raised by hydraulic pistons 25 to permit movement of the plates and drawn down when the plates are in their inner operative position to effect locking by the conical surfaces. The plates may be formed entirely to close the die or to close it in part and in the latter case they may serve to hold or to guide a mandrel, ejector or other tool, or as an extrusion die. The inner position of the plates is determined by contact of the crossheads 19 with the member 27 the crossheads being adjustable on the rods 20 by nuts 21. This adjustment may serve to centre the die with the axis of the press. Tilting of the plates in operation is resisted by packings 28. Punching, piercing, upsetting, direct and inverted extrusion of solid blanks, drawing, straight extrusion, and the upsetting of tubular bodies may be effected.
Patent GB-649547-A (GB)
Title: Improvements in gelatine derivatives
Filed: 1948-04-07
Abstract: A gelatine derivative is prepared by reacting gelatine with a naphthyl isocyanate.  Preferably gelatine in water or a non-aqueous solvent.  e.g. formamide as described in Specification 649,548, is heated with a solution of a - or b -naphthyl isocyanate at an alkaline pH (8-12), particularly at 30-70 DEG  C. and a pH of 10-11. Degraded gelatine or glue may be used. Alkali is preferably added to maintain the pH constant.  After completion of reaction, up to 1/2 hr., acid is added to neutralize, the mass set by cooling, washed if desired, and dried. The products are resistant to hardening by formaldehyde and chrome alum.  They are of use in preparing silver halide dispersions as described in Specification 649,545, in lithographic printing, and in imbibition processes in photography. In examples, gelatine is dispersed in water at 40 DEG  C., the pH adjusted to 10 with caustic soda, and a solution of the isocyanate in acetone slowly added, further caustic soda additions maintaining the pH.
Patent GB-547779-A (GB)
Title: Improvements in floating dry docks
IPC: B63B1/02
Filed: 1941-08-01
Abstract: 547,779. Floating docks. HARRIS, F. R. Aug. 1, 1941. No. 9783. [Class 68 (ii)] A floating dock has a pontoon section 2 with a substantially rounded bottom in the form of an inverted arch and is braced by members 5 fitting closely within and conforming with the rounded pontoon bottom, each member forming part of a transverse truss which ensures the bottom tension due to the dockload being substantially reduced. Diagonally-arranged struts 6 are notched into the upper side of the truss and preferably spring from a point directly underneath the ship load 7; a second laminated and arched truss member 8 may be sprung over the top of the struts 6, the bent down ends thereof being connected to the outer ends of the bottom arched members by chocks 9 and wedges 10. The deck planking 12 may be laid directly on the top members 13 and the bottom planking 14 on beams 15 laid across the members 5. Truss uprights 16 are fitted endwise between the members 5, 12 and laterally between the members 6, 8.
Patent GB-667390-A (GB)
Title: Improvements in a.c. generators
IPC: H02K19/18
Filed: 1949-04-12
Abstract: 667,390. Cores for dynamo - electric machines. ROBINSON, P. March 3, 195C [April 12, 1949], No. 9859/49. Class 35. An alternator of the wound or permanent magnet rotor type has the rotor laminations a or the permanent magnets and the statoi laminations g placed parallel to the rotor shaft b, the pole-pieces c, i of the rotor and stator respectively are disposed at the ends of and at right angle to their respective cores. Brackets k hold the cores g in place.
Patent GB-989962-A (GB)
Title: Improvements in luggage fittings
Inventor: CHANCE WILLIAM ERNEST
IPC: E05B65/52
Filed: 1962-03-15
Abstract: 989,962. Hasp fastenings. C. W. CHENEY & SON Ltd. Feb. 27, 1963 [March 15, 1962], No. 9910/62. Heading E2A. A luggage fitting comprises a key-locked latch-bolt 22 in the form of a dished metal pressing slidable between back and front plates 20 and 21 (not shown) of the fitting, a locking plate 23 which is wider than the latchbolt disposed in a well in the back plate and a locking lug 48 on the locking plate which projects into the bolt for engagement with a co-operating bolt lug 50. The locking plate has an annular flange 42 a section of which is cut out to provide opposed stops 43, 44 which co-operate with a lug 47 formed out of the well periphery to limit movement of the locking plate. The locking plate has an upstanding part peripheral wall 45 and a central aperture into which projects the lug 48 and a lug 46 which is engageable by a key to rotate the locking plate to release the bolt. The bolt has an aperture 49 to allow the lug 46 to be engaged by the key. A spring 26 is trapped in the bolt between the lug 50 and the front wall and a tail 51 of this spring bears on the lug 48 when the locking plate is in the unlocking position so that the bolt is held in latching position from which it can be withdrawn against the pressure of the spring by a button which is connected to the bolt through an aperture in the front plate. A keyhole plate is positioned between the bolt and the front plate. The front plate is flanged and has tongues which project through apertures 31, 32, in the back plate and are folded on to a flange of the back plate to secure the plates together. Prongs 64 on the back plate are provided for attaching the fitting to an article of luggage. In a modification the prongs 64 are omitted and the front plate is flat, the fitting being intended for mounting in a recess in the wall of a case.