baber/WOPTO huggingface dataset:
Patent GB-418840-A (GB)
Title: Improvements in knitting machines
IPC: D04B39/08
Filed: 1933-06-15
Abstract: 418,840. Darning-machines. SCHAPIRO, S., 192, Avenue Daumesnil, Paris. June 15, 1933, No. 17108. Convention date, July 2, 1932. [Class 112.] Darning stitches are formed by members 23, 24 which pass between the needle 3 and the thread, and then separate to form a loop. The loop is hooked on to a guide 21 by one of a group of levers 16 mounted on the under side of the work table. Feeding work.-To bring the levers and their corresponding guide hooks consecutively under the needle, the work table 33 is given a stepwise movement by a rack and pawl 34, 37 in one direction, and a rack and pawl 35, 371 in the reverse. The pawls are actuated by a cam 103 a finger 104, shaft 39 and lug 40. During the stationary period of the work table the bearing 52 of the shaft 39 is depressed and a tooth 61 drops into a rack 62 and prevents movement of the work table. The length of travel of the work table is governed by the position of pawls 68, 69, Fig. 15a, which, at the end each traverse, engage teeth 51 and bring the other pawl 37 or 37<1> into engagement with its rack. The members 23, 24 are actuated by a slotted member 32<1> and linkage 84, 83, 80, 79. Or its upward stroke, a work feeding movement is imparted to the needle by an inclined face 13.
Patent GB-1139694-A (GB)
Title: Towing apparatus for road vehicles
Inventor: EICHLER HERBERT
IPC: B62D13/04
Filed: 1966-04-19
Abstract: 1,139,694. Steering trailers. SCHWERMASCHINENBAU S.M. KIROW, VEB. 19 April, 1966, No. 17176/66. Heading B7H. In a trailer vehicle having front wheels 10, 12 mounted on steerable stub axles 13, 14, movements of a tow bar 1 pivotable about a vertical axis are transmitted by coupling elements 3, 6 to an intermediate lever 7 which is mounted ahead of the wheels 10, 12 on a second vertical pivot axis and is connected by a drag link 9 to a steering arm on one stub axle 13. As shown the coupling elements 3, 6 are gear segments, one of which rotates on a shaft 4 fixed in a mounting frame 18 and is connected by releasable pivot pins 2 to the tow bar 1, and the other of which is fixed to a shaft 8 journalled in the mounting frame 18 and carries the lever 7. The mounting frame 18 is releasably connected to the vehicle chassis at attachment points 19 providing for longitudinal adjustment. In other embodiments the coupling elements are a pair of levers connected either by an intermediate link or by a knuckle joint consisting of a roller engaging a fork or slot.
Patent GB-873670-A (GB)
Title: Improvements relating to solid propellant rockets
IPC: F02K9/28
Filed: 1960-05-16
Abstract: 873,670. Self-propelled missiles. UNITED AIRCRAFT CORPORATION. May 16, 1960 [May 18, 1959], No. 17179/60. Class 9(2). [Also in Group XXIX] A solid propellent rocket comprises a main combustion chamber 2 containing a solid propellant 10, connected by a passage 6 to an auxiliary combustion chamber 8 containing a cold burning propellant 12, and a valve 9 for varying discharge from chamber 8 to chamber 2 and thereby maintaining a desired pressure in chamber 2. The valve 9 is controlled from a grooved valve casing 30, which is supplied at 34 with fluid under pressure from the chamber 8. In operation the said fluid is directed to either side of a piston 18 connected to the valve 9, according to the movement of a bellows 41, which is responsive to the variation in pressure in the main chamber 2, and moves a piston 37, against a spring-loaded plunger 44 in a cylinder 46, to open one of the ports 38, 39 in a sleeve 36 in the casing. The movement of the piston 18 also acts through pivoted linkage 54 upon the sleeve 36 causing it to move the ports 38, 39 until the open port is shut off by the piston 37. The cylinder 46 may also be subjected to an external pressure source through a duct 52 to adjust the position of the piston 37 relative to the sleeve 36.
Patent GB-1341424-A (GB)
Title: Carburetor
IPC: F02M7/00
Filed: 1971-05-26
Abstract: 1341424 Spray carburetters FORD MOTOR CO Ltd 26 May 1971 [14 Aug 1970] 17204/71 Heading F1B Mixture is supplied to the induction passage 12 downstream of the throttle valve 22 through a passage 39 from a mixing chamber 36. The chamber 36 receives air through a passage 70, connected to the Venturi throat 18 and convergent portion 16 through respective orifices 74 and 75, and fuel through a tube 46 projecting into the chamber. The fuel flow from the float chamber 34 is controlled by a needle valve 43 in an orifice 42 and operated by a linkage 64, 66, 67 to the throttle valve 22 or a vacuum motor subject to intake manifold depression. The chamber 34 is vented to the carburetter inlet 14 through a passage 35. Fuel flow from the tube 46 is guided by a trough 48 at the downstream end of the tube or a rod (90), Fig.7 (not shown), located concentrically in the tube, which extends towards or into the inlet of the passage 39. The trough 48 may be semi-circular, Figs.2 to 4 (not shown), or V-shaped, Figs.5 and 6 (not shown). The fuel supply to the chamber 36 is increased on acceleration by opening the valve 50. The valve 50 is opened by the spring-biased plunger 54 when the manifold depression acting on piston 58 falls. The choke valve 26 is positioned by a temperature sensing mechanism.
Patent GB-1003238-A (GB)
Title: Improvements in and relating to a process for the electro-deposition of a coating
Inventor: GUY VICTOR HAROLD
IPC: C25D13/22
Filed: 1963-05-01
Abstract: 1,003,238. Electrodeposition of a coating, PRESSED STEEL CO. Ltd. April 29, 1964 [May 1, 1963]. No. 17215/63. Heading C7B. In a process for the electrodeposition of a coating, the applied potential is progressively increased such that the current density is maintained as a function of the thickness of the deposited coating and below the instantaneous critical value at which excessive gassing and polarization causes deterioration in the surface quality of the coating. The term "electrodeposition" connotes electrophoresis, e.g. cataphoresis, and includes migration of one or more phases of an emulsion and migration of macromolecular ions in a solution under the action of an applied electric current and also electrocoagulation. The example is of the electrodeposition of a coating using an alkyd resin solution pigmented with red iron oxide and having a pH of 7À8 and a solids content of 12% by weight.
Patent GB-860351-A (GB)
Title: Composition for stimulating plant growth
Inventor: PUDDY CLAUDE AUSTIN
Filed: 1958-05-29
Abstract: A composition for promoting the yield from rubber trees and/or stimulating bark renewal comprises a solution of 2 : 4-dichlorophenoxy acetic acid, 2-methyl-4-chlorophenoxy acetic acid, phenoxy acetic acid, alpha naphthalene acetic acid, or b -naphthoxy acetic acid, or a salt, ester, or amide thereof, which solution is distributed throughout a liquid medium whose viscosity at normal temperatures of use is such that the composition can be painted on a tree.  The composition contains preferably between 0.1% to 5% by weight of the acid constituent and the sulphur in the composition according to the parent Specification is omitted.  The solvent is suitably an aliphatic alcohol which is liquid at normal temperatures, e.g. methanol, ethanol, iso-butyl alcohol, and the liquid medium is vegetable oil or oils, e.g. palm oil and/or coconut oil, or a purified mineral oil of the paraffin series.  The concentration of the acid in the composition is preferably between 0.1 and 5% by weight and a disinfectant, e.g. creosote oil, may be included in the composition if desired.ALSO:A composition for promoting the yield from rubber trees and/or stimulating renewal comprises a solution of 2 : 4-dichlorophenoxy acetic acid, phenoxy acetic acid, 2-methyl-4 chlorophenoxy acetic acid, alpha-naphthalene acetic acid or beta-naphthoxy acetic acid or a salt, ester, or amide thereof, which solution is distributed throughout a liquid medium whose viscosity at normal temperatures of use is such that the composition can be painted on a tree.  The composition contains preferably between 0,1% and 5% by weight of the acid constituent and the sulphur in the composition according to the parent Specification is omitted.  The solvent for the acid constituent is suitably an aliphatic alcohol which is liquid at ordinary temperatures, e.g. methanol, ethanol or isobutyl alcohol, and the liquid is a vegetable oil or oils, e.g. palm oil and/or coconut oil, or a purified mineral oil of the paraffin series.  A disinfectant, e.g. creosote oil, may be included in the composition.
Patent GB-855172-A (GB)
Title: Improvements in and relating to coal cutting machines
Inventor: BROWN ROBERT ARTHUR
IPC: E21C25/18
Filed: 1957-05-30
Abstract: 855,172. Mineral-mining equipment. MINING & GENERAL ENGINEERS Ltd. May 29, 1958 [May 30, 1957], No. 17267/57. Class 68(1). The picks 18 of a pick-carrying cutter disc 10 of a mineral-mining machine are mounted in holders 16 that are radially adjustable in sleeves 12 radially secured to the periphery of the disc 10 so that the cutting diameter of the disc can be adjusted as required.
Patent GB-230343-A (GB)
Title: Improvements in typewriting machines
IPC: B41J13/20
Filed: 1924-07-18
Abstract: 230,343. Hess, E. B., and Royal Typewriter Co., Inc. July 18, 1924. Sheet and card feeding and guiding arrangements. - The upper paper-feed rollers are mounted upon a forwardly movable frame or bail pivotally or slidably supported at the outer ends of the arms of a rearwardly movable bail pivoted upon the platen carriage, and provision is made for holding the rollers either in their rearward operative position or in a position considerably in front of the platen, and also for adjusting the pressure exerted by the rollers upon the platen. As shown in Figs. 1 and 5, the rollers 8 are rotatab'y and slidably mounted upon a rod 0 which is provided with a scale R and is supported at the ends by links P, Q pivoted at p, q to the outer ends of the bail arms L, L<1> respectively. The bail arms L, L<1> are pivoted at a to the platen carriage A and are retained in either their forward or rearward positions by springs N. To maintain the feed rollers E either in contact with the platen or in a position in front of it, an overthrow spring T is connected between an upward extension p' of the link P and a point t on the right-hand bail arm L, and a similar spring U is connected between a pin l<2> on a forward extension of the link Q and an upwardly extending arm L on the front portion of the bail arm L<1>. An operating-lever V is provided on the link P to swing the roller-carrying rod O either towards or away from the platen, the movements of the links P, Q being limited by pins l<2>, l<3> on the links engaging lugs or projections on the bail arms L<1>, L. The pins l<2>, l<3> are provided with eccentric heads which bear upon the lugs, so that by rotating them about their axes the swing of the links P, Q can be adjusted to equalize the pressure exerted by the rollers upon the platen. The bail frame members L, L<1> are provided with downwardly projecting arms x, x<1> which, when the bail is lowered, respectively engage the side plate at the right-hand side of the carriage and a frame-piece J connecting the two side plates of the carriage. To compensate for any distortion of the bail arms, and to equalize substantially the pressure of the rollers, the rollercarrying rod may be supported in slotted apertures which permit movement of the rod against the pressure of springs disposed between the ends of the rod and lugs on the supporting links. In a modification, Fig. 9, the ends of the rollercarrying rod O are guided within slots L<2> at the forward ends of the bails arms L, the ends of the slots bending upwardly or downwardly at L<3> to provide retaining seats L<4> for the ends of the rod when it is pulled forward against the tension of a spring N<1>. Any of the described arrangements of feed-rollers may be employed in conjunction with card-holding devices of the kind provided with movab'e fingers disposed adjacent to the printing point in a plane lower than the plane of engagement of the feed-rollers.
Patent GB-797683-A (GB)
Title: Pipe coverings
IPC: A44B19/16
Filed: 1955-06-16
Abstract: 797,683. Sliding clasp fasteners. KIDD, A. C. June 16, 1955, No. 17409/55. Class 44 [Also in Groups XXVIII and XXXVI] A covering for a pipe 1 or electrical conduit, e.g. encased in insulation 2, such as asbestos, comprises a sheet 4 of synthetic resin, such as polyvinyl chloride acetate with tapes 7, 8 of the same material sealed along its longitudinal edges and formed with grooves 9 and tongues 10, Fig. 4, or hooked edges, Fig. 12, which interlock to form a seal at the edges of the sheet. The interlocking of the tapes may be supplemented by a layer of polyvinyl chloride cement as at 20, Fig. 12, or by heat. The interlocking portions of the tapes are interengaged by sliding a shoe 14 along the tapes by means of an arm 21 pivoted to it. The shoe has two open-ended guides formed one on either side of a partition 22 by walls 24, 25. The guides are short ducts of rectangular section tapering towards the rear of the shoe to interlock the portions of the tapes 7, 8 as the guides pass round them. The guides for the hooked edges, Fig. 12, each have an open side, Fig. 10 (not shown). The sheets 4 or the tapes 7, 8 are coloured to identify the pipe contents and the tapes are secured to the sheets by cement or heat.
Patent GB-186672-A (GB)
Title: Improvements in or relating to diaphragms for sound-recording and sound-reproducing instruments
IPC: H04R7/00
Filed: 1921-06-27
Abstract: 186,672. Clifton, W. E., and Cliftophone, Ltd. June 27, 1921. Moulding phonograph records ; moulding celluloid.-A mould for forming corrugations in a gramophone diaphragm of celluloid &c. comprises a base-plate 7 which is grooved at 14 and is provided with two coverplates 10, 16 having conduits 13, 17. The diaphragm 1 is clamped on the base 7 below the cover, and after air under pressure has been admitted through the pipe 13 the mould is immersed in a hot fluid or is otherwise heatad. Perforations 15 are provided to allow air to escape when the material of the diaphragm is forced into the moulding-grooves 14. The air pressure is preferably maintained during cooling, when the mould has been withdrawn from the heating medium. Two or more diaphragms placed side by side may be operated on simultaneously. One of the Provisional Specifications describes an apparatus for pressing together superposed layers to form the diaphragm and at the same time moulding corrugations in the main disc. In this apparatus a rubber or like flexible covering is provided, between which and the mould proper the diaphragm is placed. The pressure fluid used is hot water.
Patent GB-735436-A (GB)
Title: Apparatus for feeding powdered material
Inventor: MOORE JAMES WILLIAM
IPC: B05B7/14
Filed: 1952-07-11
Abstract: 735,436. Jet pulverizers. BRITISH THOMSON-HOUSTON CO., Ltd. June 30, 1953 [July 11, 1952], No. 17554/52. Class 59. [Also in Group XXX] An apparatus for producing a smoke consisting of air laden with powdered luminescent material comprises a continuously vibrated vessel 2 containing the powdered material 1, a rotary toothed wheel 4 which dips into the material and extends into a slot in an air duct 8, and an injector apparatus 9 connected to a compressed air supply pipe 10. The material lodged between the teeth of the wheel is entrained in the air drawn in through the duct 8 and is blown by compressed air issuing from the nozzle 11 through the tube 12 on to a target 13 which may be made of ceramic material known under the Registered Trade Mark " Sintox ". The jacket 14 may lead to a tube coating equipment such as that described in Specification 621,734, [Group III]. Specification 638,060, [Group VI], also is referred to.
Patent GB-594390-A (GB)
Title: Improvements in signs and decorative lighting
IPC: G09F13/00
Filed: 1945-07-10
Abstract: 594,390. Signs. ASPDEN, S. E. July 10, 1945, No. 17563. [Classes 3 (i) and 3 (ii)] A sign or decorative lighting device comprises projecting transparent rods, lenses &c. which delineate a legend or design, a source of light being located behind the rods. Each rod is mounted, separately or in a group, in a base piece adapted to be fixed in a background. The base piece may be transparent and may be integral with the rod or rods. A rotary disc 43, having openings 49 which may be filled with colour filters, may be mounted behind the rods 42 to give a colour changing or scintillating effect to the light passing through the rods. The discs may have a pulley rim for rotation by a tentioned belt which passes round all the discs and is driven by a motor, or may be provided with teeth for engagement by worms carried by a flexible shaft. Fig. 7 shows magnetic disc 43 with teeth which are attracted by three electro magnetic elements 45, 46, 47 energized in succession to rotate the disc. A casing 48 holds a lamp bulb. In another form an eddy current motor is employed, and in a further modification an air jet impinges on vanes on the rim of the disc. Convection currents from the lamps may be utilised for this purpose. Specification 372,857 is referred to.
Patent GB-219970-A (GB)
Title: Improvements in stropping and honing devices for razor blades
IPC: B24D15/10
Filed: 1924-07-23
Abstract: 219,970. Fanslow, B. O. July 30, 1923, [Convention date]. Stropping-apparatus.-A device for stropping or honing razor blades comprises a holder for the blade provided with a guard for the edge adapted to position the blade at the correct angle with reference to the strop &c., and adapted also to maintain the edge out of contact with the strop during reversal of the holder and blade. As applied to sharpening a double-edged blade, the device comprises a holding-bar 1 having lugs 2, 3 to enter the perforations in the blade, and having a handle portion 6 formed with bent-over extensions 4, 5, which form a guide for a slidable blade-clamping bar 21. On the bar 1 are mounted supports 7, 8 carrying guards 9, 10 formed as round bars mounted fixedly or loosely in the supports. The supports have therein apertures 11 formed with convex sides, so that the supports may rock upon the holder.. The extent of the rocking movement is limited by a plate 16 having at one end a V-shaped slot. The plate is adjustable on the support 7 by a screw 17, engagement of the holder with the sides of the V limiting the movement of the holder. In a modification, the supports are non-movably mounted on the holder, and the guards are movably mounted in slots in the supports. This form of the device may be employed with ordinary razors, one guard only being provided. As applied to single edged safety razor blades, the holder is modified to accommodate the blade. In the operation of the device, the two faces of one edge of a blade are alternately acted upon, the guard preventing damage to the blade-edge during inversion of the device.
Patent GB-186680-A (GB)
Title: Improvements in or relating to piano players
IPC: G10F3/00
Filed: 1921-06-29
Abstract: 186,680. Vickers, Ltd., and Wearham, J. June 29,1921. Players for keyboard instruments; actions; blowing &c. air; wind trunks; winding-mechanism; music spools and rollers. - A detachable player to be secured over the keyboard of a pianoforte or like musical instrument is constructed so that it can be folded, collapsed, or divided into sections, in order to reduce its length for packing into a portable case. The parts A, A' containing the action and strikers may be connected by a vertical hinge A<3> at the side of the tracker box B<2>, leaving room, when folded, for spare rolls a<x> in the case A<x>. The device is secured on the keyhoard by extensible members a fixed by screws a<2>, and a member a<3> forced by a screw or cam a<4> against the end cheeks. The tune-sheet may be driven by a clock-work, pneumatic, or electric motor, or by weights consisting of light vessels containing water. In a pneumatic player, the tubes connecting the tracker bar and the part A of the wind-box, as also the two parts of the windtrunk, are sealed into plates which either are rubber-faced and abut when the device is in operation, or are connected by flexible tubes. In an electric or electro-pneumatic player, the hinge may be central and serve as part of the return conductor in the circuits of the electromagnets, the tracker-cylinder and driving-roller being formed in halves having toothed or friction surfaces for automatic, engagement when the device is extended for operation. Plates A', Fig. 3, sliding in grooves, raise the strikers A<6> and protect them when the device is not ;n operation.
Patent GB-443939-A (GB)
Title: Improvements in or relating to cap stoppers for bottles or like containers
IPC: B65D47/42
Filed: 1935-06-20
Abstract: 443,939. Reservoir brushes &c. PETRIE, W. K., 7, Windsor Street, Dundee. June 20,1935, No. 17772. [Class 19] [See also Group XVII] A closure device for bottles or like containers of the kind adapted to serve both as means of controlled delivery and for application of the liquid contents of the bottle comprises a rigid nozzle 1 of wood or " Bakelite " (Registered Trade Mark) arranged to occupy a position over and in projection from the orifice 4 of the bottle, and perforated with one or more capillary like passages 2, a cover 3 of cloth or like absorbent material overlying the outer surface of the nozzle and readily permeable to the liquid to be delivered therethrough, and a holder 5 for the nozzle with the cover in position upon it, said holder forming a substantially fluid-tight mounting for the covered nozzle upon the outlet of the bottle. A flange 7 engaging a shoulder 6 on the holder 5 holds the nozzle in position. A cap 8 may fit over the covered nozzle and screw on to the outside of the holder 5 to seal the outlet of the bottle. The closure device is particularly useful in applying a liquid stain remover to a surface. The holder may be secured to the bottle by a bayonet joint fastening or by an internal or external friction fit.
Patent GB-434109-A (GB)
Title: Improvements in the manufacture of liquid fuel
IPC: C10L1/32
Filed: 1934-06-16
Abstract: Liquid fuel for burners or Diesel engines is obtained by emulsifying a minor proportion of water in oil fuel by means of casein or a carbohydrate colloid such as starch.  Agents controlling combustion, e.g. boron compounds and/or sodium chloride, and naphthalene to reduce the viscosity may be added. In an example, a solution of \ba3/8\be lb. of borax and \ba3/8\be lb. of sodium chloride in 4 lb. of water is emulsified in 100 lb. of petroleum oil by \ba1/8\be lb. of starch.  Emulsification is preferably effected by passage through 1 or more high-speed attrition mills.  Specifications 408,951, 433,348, and 434,180 are referred to.