baber/WOPTO huggingface dataset:
Patent GB-538125-A (GB)
Title: Improvements in and relating to two-way self reversing lever mechanism for operatingthe points of railway switch mechanism and the like
IPC: B61L5/02
Filed: 1940-01-19
Abstract: 538,125. Operating railway &c. points. WILLIAMS, L. WYNN-. Jan. 19, 1940, No. 1202. [Class 104 (i)] In a self-reversing lever mechanism for operating railway &c. points, of the kind having a hand lever movable in one direction only for moving the points in either direction, as described in Specifications 3545/15, 216,301, [both in Class 104 (i)], and 444,091, a spring plunger 8 is provided to return the lever 1 to the normal standing position after it has been moved to operate the points.
Patent GB-975750-A (GB)
Title: Flexible sieve of tubular or endless belt form
IPC: D21F1/10
Filed: 1963-01-10
Abstract: 975, 750. Fabrics. K. PLATE, [trading as PLATE & SUTER]. Jan. 10, 1963 [Jan. 12, 1962; Aug. 21, 1962],No. 1203/63. Heading D1K. [Also in Division B1] A fabric forming a flexible sieve or an endless band filter consists of parallel threads or bands, bonded together at intervals or connected with one another by transverse threads, transverse strips, or perforated foils, or, in the case of perforated bands lying side by side, are sewn or bonded together continuously along their length. The threads or bands may be of metal e.g. bronze, or of synthetic resins e.g. nylon, polyurethanes or polyesters. Adjacent threads or bands may be bonded together to form, a unitary structure by an adhesive, or, in the case of thermoplastic resins, merely by heating. The holes of the sieve are formed by having the threads of varying cross-section along their length (Fig. 3), by having adjacent threads of different configurations (Figs.2, 4 and 6) by using perforated bands (Fig. 5) or by bonding the bands to a perforated foil, (Figs. 7 and 8) which may be of rubber. The entire fabric may be formed of one thread or band wound helically, or may consist of a plurality of threads or bands. In a further embodiment, the sieve consists of a band of woven fabric, wound helically, and sewn continuously along adjacent edges.
Patent GB-1049792-A (GB)
Title: Improvements in or relating to adjustable seats for vehicles
IPC: B60N2/08
Filed: 1964-01-10
Abstract: 1,049,792. Adjustable seats. SOC. ANON. ANDRE CITROEN. Jan. 10, 1964 [Jan. 10, 1963], No. 1239/64. Heading A4J. A vehicle seat comprises a framework 1 provided in front at each side with a foot 3a which carries a transverse pin 4a. The rear part of the framework is provided with feet 3b which carry pins 4b. Shaped side members 6 are fixed to the vehicle body and are provided with vertical apertures 5a, 5b. Pins 4a slide in apertures 5a and pins 4b slide in apertures 5b. A forked locking plate 7 is disposed near the inner surface of each side member 6 to engage pins 4a, 4b. Plate 7 can move parallel to itself, being guided by shafts 8 which pass through adjacent side member 6 and through elongated apertures 9 formed in plate 7. Plates 7 can be moved by a control lever 11 to disengage, for example, pins 4a. The seat can then be made to pivot about pins 4b to increase or decrease its tilt. Framework 14 of a backrest is adjustable about a pivot 15. A notched rack 18 is fixed to a rod 20 which pivots inside member 6 so that a selected notch in rack 18 engages a rod 17 on framework 14.
Patent GB-662337-A (GB)
Title: Improvements relating to flexible joints for the transmission of torsional loads
IPC: F16D3/68
Filed: 1949-01-17
Abstract: 662,337. Universal joints. S.A.G.A. SOC. APPLICAZIONI GOMMA, ANTIVIBRANTI. Jan. 17, 1949 [Feb. 13, 1948], No. 1315/49. Class 80 (ii) A flexible shaft coupling comprises rectilinear rubber blocks 5, of circular, elliptical or other cross-section, arranged between thin plates 11 connected alternately to arms 1 and 2 on the two shaft ends, so as to form a closed polygon. The blocks are bonded to the plates 11, or are secured thereto by bolts or rivets 22, Fig. 5. The plates 11 may have screwed spindle extensions 17, Fig. 2, secured to the arms 1 and 2 by nuts 18; or each plate may be in two superposed parts 23, 24, Fig. 5, shaped to leave a passageway 25 for a bolt connected to the arm. Radial holes 21, Fig. 5, may be provided in the blocks so as to increase the flexibility of the joint. Each block may comprise a number of subsegments separated by rigid plates, in which case the torsional flexibility of the joint is reduced. The blocks may be precompressed to such an extent that none of the blocks will be under tension during operation of the joint.
Patent GB-488937-A (GB)
Title: Improvements in or relating to the manufacture of coating compositions
IPC: C08L15/02
Filed: 1937-01-15
Abstract: Paper, films of regenerated cellulose, and like materials are waterproofed by a composition of chlorinated rubber, a plasticizer, a wax, e.g. paraffin wax, and a condensation product of a polybasic acid, e.g. phthalic acid, with a mixture of glycerol and one or more drying oils, e.g. linseed and/or tung oil.  The chlorinated rubber preferably contains about 65 per cent of chlorine; plasticizers specified are dibutylphthalate and tricresylphosphate; the resin may be one known under the Registered Trade Mark "Paralac."  The composition may be dissolved in a volatile hydrocarbon solvent, e.g. benzene, toluene, or xylene, with or without an ester, e.g. butylacetate, and may be applied to the cellulosic material by brushing or spraying or by passing a continuous web of the material through a bath of the solution.  In an example, chlorinated rubber (65 per cent chlorine), paraffin wax, tricresylphosphate, and "Paralac" 17 are dissolved in toluene and n-butylacetate. Specifications 401,534, 447,371, and 471,440 are referred to.  The Provisional Specification refers in general to synthetic resins modified by a drying oil.
Patent GB-667711-A (GB)
Title: Improvements in metal studs for golfers' shoes, skiing and climbing boots and the like
IPC: A43C15/16
Filed: 1950-01-18
Abstract: 667,711. Studs for footwear. ROWE, C. E. Jan. 18, 1950 [March 11, 1949], No. 1358/50. Class 17 (iii). One or more studs 2 for the soles and heels of football boots and the like are attached to a thin flexible base plate 3 adapted to be secured by nails &c. through holes 6 snugly against the sole or heel. The sole and heel may each carry one or a number of such plates 3 and the studs 2 carry collars 2a and tubular extensions 2b which pass through holes in the plate and are clenched over on the inside to lie in hollow humps 5 on the plates.
Patent GB-1079371-A (GB)
Title: Flash synchronised shutter for photographic cameras
IPC: G03B9/64
Filed: 1965-01-12
Abstract: 1,079,371. Photographic cameras. IMPERIAL CAMERA CORPORATION. Jan. 12, 1965 [June 1, 1964]. No. 1368/65. Heading G2A. A flash synchronized shutter comprises a supporting plate 54 pivotally mounting a masking plate 64 and a fly plate 78 which are both spring- biased into an initial position (not shown) in which they engage a stop 76. The masking plate and fly plate are held together by a catch 126 engaging in a hole 130 during an initial movement of the shutter release 38 to bring a hole 68 in the masking plate in line with the lens aperture 62. As the masking plate reaches stop 122 the fly plate is moved away from the masking plate by a cam 138 to release the catch 126 whereby the spring 80 returns the fly plate to its initial position to make an exposure. During this movement a cam 148 which normally holds the fly plate away from an electrical contact 142 enters a slot 150 so that the fly plate engages contact 142 to ignite the flash bulb. The fly plate is retarded when the cam 148 engages a follower 156 at the end of the slot 150.
Patent GB-606585-A (GB)
Title: Improvements in or relating to copyholders
IPC: B41J29/15
Filed: 1946-01-16
Abstract: 606,585. Copy-holders. BUCKERIDGE, N. V. Jan. 16, 1946, No. 1445. [Class 100(iii)] A copy - holder in which a sheet to be copied is secured to a board 1 Fig. 4 having a slidable line-indicating member 61, 62, is provided with a manual control member 44, the arrangement being such that each time the control member is fully depressed, the indicating member descends the depth of one line against a biassing force, and when it is pulled, the indicating member is released to return under the biassing force to its upper initial position. The stroke of the manual control member is adjustable for different depths of line. The indicating member 61, 62 is controlled by a free-wheel device including a toothed wheel 36 rotating idly along a fixed track 3 during downward movement and normally preventing upward movement, but being disengageable from the track by means of a rod 39 attached to the control lever 44. The toothed wheel 36 Fig. 5 is mounted on a spindle 32 swingably carried by the frame supporting the indicating member, and a helical spring' 38 encircling the spindle and secured at one end to the wheel. Rotation in one direction is permitted but in the other direction the spring 38 tightens on the spindle and locks the wheel. The indicating member is biassed in the upward direction by two wires 56 Fig. 4 passing over pulleys 8 and wound on spools loaded, by a clock spring 14. The indicating member is moved by a second wheel 25 driven by a reciprocating rack 47 operated by the control lever 44. The wheel 25 is connected by a shaft 18 Fig. 3 to a similar wheel engaging a second rack. The control lever 44 has a sloping slot 54 which causes it to move to the right (Fig. 4) when it is pulled upwardly. The rack 47 and the rod 39 attached to the lever, move to disengage the wheel 36 from the rack 3 and the rack 47 from the driving wheel 25, allowing the indicating member to slide under the action of the spring 14. The stroke of the driving rack 47 is adjustable by a screw 50 and fine adjustment to the position of the indicating member may be made by a handwheel on the shaft 18.
Patent GB-948237-A (GB)
Title: Material for use as a waterproof lining or covering or for use in dampcourses and the like
Inventor: PARRY JOHN GORDON
IPC: D06N5/00
Filed: 1962-01-16
Abstract: 948,237. Coated multi-ply fabrics. F. A. (MEMBRANES) Ltd. Dec. 13, 1962 [Jan. 16, 1962], No. 1505/62. Heading B2E. [Also in Division D1] A waterproof material comprises an assembly of a layer of fabric loosely woven from glass fibre yarns and a juxtaposed mat of heterogeneously arranged mineral fibres, the assembly being coated with bitumen or bituminous material. The mat, e.g. of short glass fibres and synthetic resin, may be strengthened with continuous glass fibres arranged in a spaced parallel relationship. The coating may contain a filler material such as powdered limestone or slate flour which constitutes up to 7¢% of the weight of the bituminous material or milled glass fibres which constitutes up to 2% of the weight of the bituminous material. The material may be produced by bringing the fabric 10 and mat 11 into juxtaposition and passing the assembly through a bath 14 of molten bitumen or bituminous material. Each side of the material may then be coated with chalk from dispensers 18.
Patent GB-260140-A (GB)
Title: Improvements in or relating to well drilling apparatus
IPC: E21B33/06
Filed: 1926-01-19
Abstract: 260,140. Beazley, A. T., and Watson, N. O. Jan. 19, 1926. Wells; borehole apparatus.-In welldrilling apparatus the drilling means carries a sealing member which is normally out of engagement with the casing head and which upon upward movement contacts with the casing head to effect a seal; further sealing means may then be applied above the casing head. The well casing 1 has a valve 2 and is connected to the casing head 6 by stays 8. A breech block 9 is connected to the casing head by mutilated thread's and a nut 16 normally rests loosely on the breech block ; packing 11 is provided below the breech block. The drive stem 17 is connected to the drill rods 20 by a nipple 19 and a sealing means 21, the latter comprising an enlargement 24 above which is a sealing part 25 adapted when raised to make a line-contact seal with the breech block, or the part 25 may be of yielding material such as lead. Above the part 25 are mutilated threads 26 for co-operation with the nut 16. In the nipple 19 is a ball valve 30 which closes the passage through the drill rods when pressure is encountered in the well. The drill rods are then raised so that the part 25 seals off the casing head 6 while the pressure is relieved through a valve 5 ; the seal may be assisted by applying a split ring 28 of lead &c. above the breech block. If high pressures are encountered, the nut 16 is engaged with the threads 26 to hold the drill rods and compress the ring 28 ; the drive stem 17 is then removed and a T-piece 30<c> attached, the T-piece having a screw 31 for opening the ball valve 30 to assist in relieving the pressure.
Patent GB-250999-A (GB)
Title: Improvements in drying and disintegrating clay for making bricks
IPC: C04B33/30
Filed: 1925-01-19
Abstract: 250,999. Lucas, R. B. Jan. 19, 1925. Making bricks.-Wet clays, such as Cambridge Gault, are broken up into thin layers, for example by ploughing, allowed to dry and disintegrate in situ until the moisture content is diminished sufficiently to enable the clay to be treated in brick-pressing machinery, and then passed directly into the kilns without intermediate drying. Reference is made also to the storage of the dried clay in dumps, when not required for immediate use, with the top of the dump sealed by rolling. The moisture content of the dried clay may be adjusted, if necessary, by grinding, wetting, or mixing with other clay.
Patent GB-418127-A (GB)
Title: Method of preservation of liquids and other perishable substances
IPC: A23L2/42
Filed: 1933-01-18
Abstract: Liquids including orange and other fruit juices and semi-liquids such as butter and dough are sterilized and simultaneously clarified by treatment with hydraulic pressure of about 75-150 kg. per sq. cm., for a substantial period, e.g. 1-24 hours.  To destroy the more resistant bacteria and spores the pressure treatment may be repeated after, e.g. 2-5 days.  The pressure may be produced by an hydraulic press, screw, loaded piston lever &c.  Solid materials such as fruits, vegetables and preserves may be treated by immersion in a liquid and subjection to the pressure.  To protect the sterilized liquid against infection it may be covered with a layer of olive, almond, paraffin or other oil saturated with natural preservative materials, such as ethereal oils, derived from plants, e.g. by soaking in the oil orange &c. peel or other parts of plants containing ethereal oils and then moderately heating.  Reference has been directed by the Comptroller to Specification 1018/14, [Class 49].
Patent GB-1501381-A (GB)
Title: Fluid treatment structure
IPC: B01J35/06
Filed: 1974-01-14
Abstract: 1501381 Fluid treating device; exhaust gas treatment IMPERIAL CHEMICAL INDUSTRIES Ltd 8 Jan 1975 [14 Jan 1974 28 May 1974] 01618/74 and 23505/74 Headings B1F B1L and BIT [Also in Division B5] An impingement collector or fluid treating device comprises a layer of corrugated metal mesh in laminar juxtaposition to at least one layer of unbonded polycrystalline metal oxide fibres. Catalysts such as chromium compounds or metal phosphate may be included to remove lead from vehicle exhausts, or platinum and palladium may be included to catalyse oxidation of the exhaust gas. Corrugated metal mesh 1 and fibre layer(s) 2 may be wound spirally, set as concentric layers (Fig. 3 not shown) or laminated in flat sheets to provide a structure through which fluid may be passed through the troughs in the corrugations. Lead, or soot may be removed from internal combustion engine exhausts. The mesh may be knitted and may be stainless steel or nickeliron alloy. The fibre may be zirconia or alumina. A catalyst may be deposited on the fibre or metal mesh. A flat mesh 3 may be interposed between the corrugated mesh and the fibre layer.
Patent GB-210614-A (GB)
Title: Improvements in or connected with extrusion apparatus for delivering charges of powdered granular plastic and like materials or substances
IPC: B65B1/12
Filed: 1923-01-19
Abstract: 210,614. Bird & Sons, Ltd., A., and Hackett, A. G. Jan. 19, 1923. Packing and filling granular, pulverulent, plastic, and like materials into containers.-Relates to extrusion apparatus for delivering charges of pulverulent, granular, plastic &c. substances into containers. In the form shown, a sleeve b slides upon an enlarged part a<1> of the extruder tube a and is connected by trunnions and a fork e<1> to a sliding bar e so as to move in unison therewith. In use, the bar e and sleeve b are drawn to the right by a weighted cord g<1> at the beginning of a cycle of operations, and a container c, which may have a paper bag or lining d therein, is slid upon the sleeve so that the end of the sleeve contacts with the bottom of the container. A pivoted resistance plate f is then moved behind the bottom of the container and the extruder h is set in movement by that movement or other means. The container is filled against the resistance of the weighted cord g<1> until the extruder is stopped electrically or mechanically by the movement of the plate f. The plate is moved by hand to its inoperative position and the weighted cord returns the sleeve b to the right. During this withdrawal the container is held by the operator so that the sleeve is withdrawn therefrom.
Patent GB-228527-A (GB)
Title: Improvements in liquid dispensing apparatus
IPC: B67D7/60
Filed: 1925-01-20
Abstract: 228,527. Wayne Tank & Pump Co., (Assignees of Wolford, F, H., Baker, L. E., and Geyer, B. F.). Jan. 28, 1924, [Convention date]. Casings for actuating mechanism; rack-and-pinion actuated pumps; fullstroke devices; quick-return motions; stroke, varying mountings; locking- devices; indicating action of; measuring devices; strainers, arrangement of. -Apparatus for dispensing liquids, such as petrol, comprises a lower casing A enclosing the pump C, a second casing A<1> resting on the flanged head c<1> of the pump and enclosing the pumpactuating mechanism, and a third casing A<2> enclosing the counter-driving and quantity-indicating mechanism. The actuating-mechanism is supported by a horizontal plate E between the casings A<1>, A<2> and comprises a rack c<7> attached to the pump rod c<5> and reciprocated by a crank f through spur gearing. The gearing comprises a pinion f<1> engaging the rack and loose on the shaft F driven by the crank. A second pinion f<3> loose on the shaft F drives a gear-wheel f<4> fast on a shaft f carrying a pinion f<2> engaging the rack. The pinions f<1>, f<3> carry clutches adapted to engage a double clutch f<8> fast on the shaft F. For the up or delivery stroke of the piston c<4> the rack is driven at a slow rate through the wheels f<3>, f<4>, f<2>, and for the down stroke the drive is through the pinion f<1> at a faster rate. The rack carries a flange c<14> adapted to engage one of a series of stops d - - d<4> according to the quantity to be delivered. The stops are operated by rods d<5>. The counter and indicating mechanism is mounted on the upper side of the plate E and is driven from the shaft f. A stop c<15> on the rack operates an indicator arm on the down stroke to show that the piston has reached its lowest position. A strainer may be arranged in the delivery chamber of the pump near the delivery pipe c<10> which has a valve c<18>. The apparatus may be locked by a bolt seating in a recess in the gear-wheel f<4>.
Patent GB-987646-A (GB)
Title: Improvements in or relating to cylinder heads for internal combustion engines
IPC: F02F1/32
Filed: 1962-01-17
Abstract: 987,646. Cylinder heads for I.C. engines. TATRA NARODNI PODNIK. Jan. 17, 1962 [Jan. 18, 1961 No. 1780/62. Heading F1B. An air cooled cylinder head for a direct injection engine comprises a plate 1 with a recess therein bounded by side walls 4 defining a substantially conical trough containing auxiliary cooling liquid such as lubricating oil, the upper end of the trough merging into a substantially rectangular frame 5 receiving the clamping bolts. A fuel injector seating boss 6 is connected to the side walls 4 by pins 8 which transmit heat to cooling oil which collects in the trough up to the level of an overflow aperture 9.
Patent GB-1133961-A (GB)
Title: Improvements in or relating to spray guns
Inventor: FISCHER WARREN
IPC: B05B5/035
Filed: 1966-01-14
Abstract: 1,133,961. Spray-producers. H. G. FISCHER & CO. 14 Jan., 1966, No. 1789/66. Heading B2F. A gun suitable for spraying a liquid coating material comprises a barrel 10 having a conduit 40 for the supply of spray material under pressure and an axially movable rod 63 located within the conduit and supporting adjacent a nozzle assembly 85 a valve structure including a retainer 72 for a ball valve 77 which cooperates with a seat (79), fig. 5 (not shown). The valve 77 and the seat (79) may be of tungsten carbide. Actuation of a trigger 46B retracts the rod 63 and the members 72, 77 against the pressure of a spring 69 which is mounted around the rod near the nozzle assembly and which biases the valve 77 into cooperation with its seat. The trigger acts on the rod via a yoke (46), fig. 6 (not shown) which is biased into the valve closing position by a spring 51. A pin (48) on the yoke turns a disc 56 on actuation of the trigger so that the rod is rotated as it is retracted. The gun barrel 10 and the handle 11 are moulded integrally from a plastics material such as polypropylene, polythene or nylon and a passage 14 in the handle communicates with the material supply passage 40. A further passage 15 in the handle contains a high potential cable 19 which is connected to a resistor 27 in a duct 24 via a conductor 20 in a brass member 23. The high potential is supplied to a cylindrical member 64 through which the material flows via a spring 30 and a brass rod 35. The nozzle assembly 85, fig. 4 (not shown) comprises a metal or plastics disc (86), a cylindrical member (88), and a tungsten carbide nozzle member (90) having a fine discharge outlet (91). A retainer (93) is disposed around the nozzle (90) and the members (86), (88) and (93) are kept together by a metal pin (95) which projects beyond the nozzle and acts as a needle electrode. An electrically insulating cup-shaped cap (98), fig. 5 (not shown) is located around the nozzle and is provided with openings for the liquid discharge and the pin (95). A metal strap 53 earths all metal parts which may be handled by the operator. Insulating plugs 26, 34 allow access to the resistor &c.
Patent GB-657160-A (GB)
Title: An improved fire-place closure for use when chimney sweeping
IPC: F23J3/02
Filed: 1949-01-22
Abstract: 657,160. Chimney sweeping equipment. CHALLIS. R. D. Jan. 22, 1949, No. 1802. [Class 126] Apparatus for use in chimney sweeping comprises a rigid flat plate fixed against the firegrate to seal the firegrate opening, an aperture 7 having secured to its edges the wider end of an outwardly projecting. tubular mask 8, the smaller end of which slidably fits the rods and brush. The screen consisting of a rectangular sheet of metal may be secured to the firegrate by adhesive tape 4 and has an aperture 5 near the lower edge for receiving the free end of a suction pipe 6 from a vacuum cleaner. The wider end of the tubular mask 8 of textile material is secured to the screen by a fixing ring 10 and bolts 11. The narrower end of the mask 8 is reinforced by cord or twine 13.
Patent GB-1155351-A (GB)
Title: Improvements in Rollers for the Pressure Treatment of Travelling Material Webs
Inventor: KUSTERS EDUARD
IPC: F16C13/00
Filed: 1967-01-13
Abstract: 1,155,351. Rollers. E. KUSTERS, [trading as EDUARD KUSTERS MACHINENFABRIK]. 13 Jan., 1967 [8 Feb., 1966], No. 1857/67. Heading F2U. A roller for removing water from web material comprises a resilient surface of rubber or polyurethane having an open mesh structure in which there is provided closely spaced circumferential incisions. The incisions may be produced with a razor-like tool. The distance between adjacent incisions does not exceed 0À3 mm. and the depth of the incisions does not exceed 0À6 mm.