baber/WOPTO huggingface dataset:
Patent GB-751601-A (GB)
Title: Improvements in or relating to hydraulically operated apparatus
Inventor: GOWING BERTRAM THOMAS
IPC: F15B15/14
Filed: 1951-04-10
Abstract: 751,601. Drawing. FIELDING & PLATT, Ltd. June 3, 1952 [April 10, 1951], No. 8323/51. Class 83 (4). A hydraulically - operated apparatus, particularly a draw-bench or push-bench for the hot or cold working of metals, comprises a working cross head 10 operated by at least two hydraulic ram-containing cylinders 5, 9 disposed longitudinally behind each other and so connected together that the working stroke of the crosshead 10 is the sum of the respective strokes between the ram and the cylinder of each ram-containing cylinder. A hydraulically-operated tube drawbench has a fixed end member 3 and a fixed ring bed 4 connected by tie rods 1, 2. A hydraulic cylinder 5 mounted on the end 3 and a fixed support 6, has a hollow ram 17 connected to a movable crosshead 7 which carries on its opposite face a second coaxial cylinder 9 secured to another movable crosshead 8 and having a ram 18 connected to the working crosshead 10; the latter may carry a tool or means for gripping a workpiece. The two ram cylinders 5, 9 are in communication and pressure liquid supplied thereto through the end 3 causes the ram 17 to move the crosshead 7 and cylinder 9, and the ram 18 to move the crosshead 10 relative to its cylinder whereby the stroke of the crosshead 10 is twice that of the crosshead 7. These two crossheads are also connected by a rack and pinion mechanism 29-30, Figs. 2, 4 (not shown), which causes them to have a movement ratio of two to one. A pair of hydraulic cylinders 22 disposed one above and one below the cylinder 9 are connected to the crosshead 7 which also carries a further pair of cylinders 11 slidable on the tie rods 1, 2 which form stationary rams. These cylinders 11, 22 affect the retraction stroke of the crosshead 10. The draw-bench may have more than two main rams and pairs of rams may be arranged in parallel to give increased power.
Patent GB-608836-A (GB)
Title: Improvements in or relating to profiling machines
IPC: B23Q35/10
Filed: 1946-03-18
Abstract: 608,836. Milling screw-propellers ; copying by milling. VICKERS-ARMSTRONGS, Ltd., and PERRY, C. March 18, 1946, No. 8349. [Class 83 (iii)] A milling machine for producing cams or propeller blades from a master cam comprises at least two separate cutter frames, each pivoted on the machine base and having a cutter spindle and two tracers with their axes parallel to each other, one or more control cams mounted for rotation in unison on a common axis with the work blank and master cam, and means for feeding the frames parallel to the common axis; the control cams move one or more of the cutters clear of the blank for certain periods to prevent them operating on surfaces already correctly formed by the remaining cutter. The work blank 18 is rotated by a mandrel 12 on which the master cam 15 and two control cams 16 and 17 are mounted. One cutter frame 22 is pivotally and slidably mounted on a shaft 20 and carries two tracers 31, 32 and a cutter spindle 28 directed radially of the work blank 18. A similar frame 21 mounted on a shaft 19 carries two tracers 25, 26 and a cutter spindle 23 directed transversely of the blank. The tracers 31, 25 engage the master cam 15 for control of the copying and the tracers 32, 26 engage the control cams 17 and 16 respectively to withdraw one cutter frame from the work and master cam at certain points so that portions of the blank correctly formed by the other cutter are not cut away. A third frame may be provided, on which the spindle is directed parallel to the blank axis and the control tracer engages a third control cam. The cutter spindles are driven. by electric motors 24, 30 mounted on the frames so as to provide suitable pressure of the cutters on the work, this pressure being adjustable by balance weights 34, 35. The frames are traversed on the shafts 19, 20 by a feed screw 33 driven'by the motor 24. Specification 571,769 is referred to.
Patent GB-656455-A (GB)
Title: Magazine for use on automatic record changers
IPC: G11B17/16
Filed: 1947-03-27
Abstract: 656,455. Automatic gramophones. MILTON, A. J. March 27, 1947, No. 8368. [Class 40 (ii)] In a magazine for feeding gramophone records one at a time on to the turn-table of a gramophone which includes a spindle extending upwardly from the centre of the turn-table to receive the bores of the records, the spindle incorporates a radially expandible and retractable bore-engaging portion comprising compressible and elastic material designed, when expanded by non-resilient means, to grip at least the penultimate but not the lowest record, separate means supporting the lowest record and releasing it on to the turn-table. In Fig. 1, a spindle 1 extends vertically from the centre of turntable 6 and is surrounded by a split sleeve 7 which is expanded at its upper end by three balls 8 to support horizontally stored records, as shown. Movement of the pick-up (not shown) at the end of playing a record operates a lever 14 which applies through a rod 12 a downward force to a cap 2 to expand radially a pair of rubber bushes 4, 4 spaced by collars 5, 6 between cap 2 and shoulder 3 of spindle 1. The next to lowest record and some of the records above are thus gripped internally and when the pick-up moves clear of the turn-table a lever 11 is operated to move a plunger 10 in a downward direction allowing the upper end of sleeve 7 to retract and the lowest record to descend to the turntable. Levers 11 and 14 are then operated in turn to re-expand sleeve 7 and release bushes 4, 4 in preparation for the next change. Unloading of the records is facilitated by rotation of plunger 10 by manual means, Figs. 3 and 6 (not shown), allowing sleeve 7 to retract by presenting to balls 8 axial grooves in plunger 10. Helical springs covered with rubber in place of rubber bushes are referred to.
Patent GB-259123-A (GB)
Title: Improvements in and relating to starting devices for internal combustion engines
IPC: F23Q7/00
Filed: 1926-03-29
Abstract: 259,123. Jodor, H. E. March 29, 1926. Cylinders receiving liquid fuel. - Heat is applied electrically to the neighbourhood of the sparking points for facilitating the starting of the engine. A coil 7 may be embedded in a member 2 interposed between the sparking plug and the engine cylinder, one terminal of the coil being connected to the metal body of the intermediate member and the other by a lead 6 to an outside source of current. The coil may consist of chrome-nickel wire .45 mm. in diameter and 87 metre in length.
Patent GB-1129901-A (GB)
Title: Improvements in and relating to dies
Inventor: TADAYON JAMAL
IPC: B30B15/02
Filed: 1965-02-26
Abstract: 1,129,901. Powder compacting moulds. BECKMAN RIIC Ltd. 6 Dec., 1965 [26 Feb., 1965], No. 8527/65. Heading B5A. A die frame comprises a cavity 5 defined by two rectangular side pieces 2 between which are located rectangular cross pieces 3 held together by clamping screws 4 which pass through bores in the cross pieces, the bores being sufficiently large to admit of the spacing between the cross pieces being adjusted. End pieces 6 are connected to the side pieces by screws. The bottom of the cavity is closed by a rectangular base piece 9 which has a venting passage 15 and which is connected by spring clips 10 to the end pieces. In use, a die element 11 is placed in the cavity 5 and rests on the base piece, the material 12 to be compressed is located on top of the die element and an upper die element 13 is placed on the material and is acted on by a plunger 14. The adjustment of the spacing between the cross pieces 3 is effected by screws 8. In other embodiments the screws 8 are omitted and the adjustment of the cross pieces is effected by screw adjustment of the side pieces.
Patent GB-102584-A (GB)
Title: Improvements in the Admission and Exhaust Pipes of Internal Combustion Engines.
Inventor: WILLIAMS MARTIN LUTHER
IPC: F02M31/08
Filed: 1916-06-17
Abstract: 102,584. Williams, M. L. June 17, 1916. Vaporizers, external.-The admission pipe 10 and exhaust pipe 11 are cast together and divided by a partition 12. The branches 14, 13 leading to and from the cylinders are close together and on the same level.
Patent GB-920331-A (GB)
Title: Improvements in and relating to a control operator for valves
IPC: F15B15/18
Filed: 1959-03-12
Abstract: 920,331. Fluid-pressure servomotor-control systems. FISHER GOVERNOR CO. March 12, 1959 [March 12, 1958], No. 8606/59. Class 135. Control means for a valve 28 comprises a piston 20 under the control of a flapper F<SP>1</SP>, F<SP>2</SP> responsive to movements of a force motor FM, and a feed-back connection incorporating a cam 146 between the piston and the force motor. As shown, the flapper F<SP>1</SP>, F<SP>2</SP>, which has hardened, stainless steel buttons coacting with ball valves in nozzles N<SP>1</SP>, N<SP>2</SP> connected with the two ends of the cylinder 22 and with separate supply pumps P<SP>1</SP>, P<SP>2</SP> for hydraulic fluid, is controlled by bellows B<SP>1</SP>, B<SP>2</SP> under the control of a pilot flapper PF<SP>1</SP>, PF<SP>2</SP> which is actuated by the force motor and controls nozzles PN<SP>1</SP>, PN<SP>2</SP> fed through restrictions R<SP>1</SP>, R<SP>2</SP> by a pump PP which shares a common driving motor PM with the pumps P<SP>1</SP>, P<SP>2</SP>. The force motor may alternatively operate the flapper F<SP>1</SP>, F<SP>2</SP> directly and the piston 20 may be a spring-loaded, single-acting device in which case only one nozzle N<SP>1</SP> or N<SP>2</SP> is provided. Valves 80 opened against loading- springs by pressure from the pump PP isolate the piston 20 in the event of pressure failure and a valve 98 may be opened to interconnect the two sides of the piston 20 to permit manual operation. The force motor, as shown, consists of an annular coil 110 connected to the flapper by an arm 60 and movable in an annular gap between poles 104, 106, the coil being fed by an amplifier EAC under the control of a rheostat 168 controlled by an element 166 responsive to the pressure at the outlet of the valve 28. The arm 60 carries an inertia weight (not shown) to reduce instability in the system. The force motor may alternatively be pneumatic. The feed-back cam 146 acts on the arm 60 through a roller 144 mounted on a lever 134 and a spring 132. An adjustable bias spring 120 may also act on the arm 60. In a practical embodiment the flappers are pivotally mounted by metal strips and the piston 20, flappers, and pumps &c. are housed in an oil reservoir. The force motor and feed-back arrangement are housed in a removable cover. A leakage collection and discharge chamber 152 is provided below the cylinder for the piston 20, and the stem 16 of the valve 28 carries an indicator.
Patent GB-127546-A (GB)
Title: Improvements in or relating to the Power Transmission Mechanism of Locomotives, Railway Motor Cars, and the like.
IPC: F16H3/08
Filed: 1918-04-24
Abstract: 127,546. Baguley Cars, Ltd., and Baguley, E. E. April 24, 1918. Controlling different functions by same handle or lever.-Control mechanism for locomotives, rail motor cars, tractors, and like motor-vehicles, of the kind in which operation of the clutch simultaneously operates the change-speed gear, is shown as applied to a locomotive. A handlever operated by a rod w is slidably connected through a spring connexion y acting in both directions, to a casing v pivotally mounted in a pair of rocking arms (not shown), on a transverse shaft o, which is similarly connected to a sleeve q adapted to slide longitudinally a shaft a splined to the shaft of the engine fly-wheel b. A double clutch casing n is mounted on the shaft a and can thus be moved forwards or backwards to engage either of the two inner clutch members m, l mounted respectively on a shaft d and sleeve e. The shaft d carries a bevel wheel f gearing with a pair of top speed bevel wheels h loosely mounted on a countershaft j and the sleeve e carries a bevel wheel g engaging a pair of bottom speed bevel wheels i fixed to the bevel wheels h. Thus the engagement of the clutch transmits the drive to the top or bottom sets of gears and, by means of a reversing-clutch k, the drive is trans. mitted to the countershaft j and thence through gearing 5 and coupling rods 7 to the driving- wheels 6.
Patent GB-664533-A (GB)
Title: Improvements in ventilators
Inventor: ROE JOHN JAMES AUGUSTUS
IPC: B60H1/26
Filed: 1949-04-01
Abstract: 664,533. Ventilators. ROEVAC AIR. EXTRACTORS, Ltd. April 3, 1950 [April 1, 1949], No. 8837/49. Class 137 Ventilators, particularly for vehicles, comprise concentric ingress and egress passages 17, 19 passing through the wall or roof of an enclosure and communicating respectively with inner and outer lateral channels which are arranged parallel with the wall or roof and are open at one or both ends to receive and discharge air; the outer channel structure carries the inner passage 19. The channels are divided by a plate 8 from the underside of which depend baffles 13, 14 in the inlet channel. Holes in the side walls of the casing allow water retained by a flange 16 round the inlet passage to drain away. A fretted plate 20 fits over the end of the outlet passage and may be bent up as shown or extend horizontally, directing air along the ceiling. An embodiment with inlet and outlet louvres at both ends is centrally divided by transverse baffles between the inlet passage and side walls, and the plate dividing the two channels forms an inclined baffle at both ends in front of the inlet louvres.
Patent GB-1425183-A (GB)
Title: Sewing machine
IPC: D05B57/30
Filed: 1973-02-23
Abstract: 1425183 Sewing machines G TOLLE 23 Feb 1973 [8 May 1972] 8911/73 Heading D1G A sewing machine has the needle bar 15 below the work and the loop taker 19 on a bracket arm which pivots upwardly about bearings 16. The machine is driven from a motor 48 only when the arm is fully pressed down thus operating a control circuit (Fig. 6, not shown). Compressed air from a pipe 90 entering a piston 63 normally holds the bracket arm up, but pressing the treadle 50 operates a valve 61 to allow compressed air to enter the lower end of the cylinder and lower the arm (Fig. 3, not shown). The air from the top end is exhausted into a closed chamber to damp the movement, and pressing the treadle further (Fig. 4, not shown) operates a second valve 62 to exhaust this chamber, thus allowing complete closure of the bracket arm. To set the lowered position of the bracket arm accurately an adjustable stop is provided (80, Fig. 7, not shown).
Patent GB-782703-A (GB)
Title: A method and apparatus for the manufacture of reproductions of original oil paintings and having the characteristic appearance of said originals
IPC: B44C3/04
Filed: 1955-03-28
Abstract: 782,703. Reproducing the surfaces of oil paintings. KUNST IM DRUCK OBPACHER AKT.-GES. March 28, 1955 [April 30, 1954; March 19, 1955], No. 8926/55. Class 87(2). [Also in Group XVI] Oil paintings are reproduced by a method which comprises the following steps: (1) hardenable material, e.g. synthetic resin, is cast on the surface of the original to take an impression of the surface irregularities, e.g. brush marks. (ii) an impression plate is made from the casting. (iii) a coloured negative reproduction of the original painting is printed on a thin sheet of paper or the like which constitutes an intermediate impression carrier. (iv) a stack is made, Fig. 4, of the impression plate 8, the intermediate impression carrier 16, a coarse canvas 12 covered with a layer of laquer 20 miscible with printing ink 19, and a pad 21 of resilient material such as felt. (v) heat and pressure are applied to the stack. (vi) after cooling, hte impression carrier is softened with water and washed off the canvas and the impression plate is available for further reproductions. The casting of step (1), suitably of beeswax or a colour repellant artificial resin, can be used as the impression plate or an impression plate can be taken off the casting by electrically forming a deposit on its surface in known manner, removing the resin and replacing it with cast lead or zinc or more artificial resin. The heat and pressure are applied by steel plates 14, 14<SP>1</SP> heated by steam pipes 15 or by electrical or other means. A pressure of between 20 and 60 Kg. per sq. cm. at a temperature of between 80‹C. and 95‹C. is applied for a period of 1¢ to 3 minutes. 21 may also represent a hard-grained plywood plate, to which the canvas becomes secured by an adhesive sheet 22. When a felt backing is used the canvas is subsequently stretched in a frame. The paper for the intermediate impression carrier, e.g. metachrome paper, should be as thin as possible. A thin sheet of artificial resin is also suitable. Before the negative reproduction is printed the sheet is coated with a thin layer of varnish which becomes an upper surface protection for the printing ink. Under the heat and pressure the lacquer layer on the canvas becomes viscous and takes up particles of the printing ink on the intermediate impression carrier. Using heating plates 14, 141, 1411 &c. of different widths a press is used, Fig. 8, in which a series of stacks as in Fig. 4, each forming a unit 23, are loaded. The walls 26, 27 of the press are stepped at 29, 30 to form supports for the heating plates and a ram 28 is guided between them.
Patent GB-260323-A (GB)
Title: Improvements in or relating to manometers
IPC: G01F1/37
Filed: 1926-01-04
Abstract: 260,323. Martin, H. Jan. 4, 1926. Drawings to Specification. Liquid-level pressure gauges. - In a mercury contact manometer in which the effect of a pressure difference is transmitted electrically to a distant indicating, recording, or integrating instrument, a potentiometer transmits voltages proportional to fluid flow by graduating the windings according to the inverse-square law, or by shaping the float chamber. The windings may be graduated by shaping the former supporting the variable portion of the resistance, by changing the pitch of the winding, or by changing the cross-sectional area or composition of the resistance wire. The manometer transmitter described in Specifications 165,177 and 213,625 is modified by utilizing a float and accessory magnetic apparatus in one leg of the U-tube only, the electromagnet being single ended.
Patent GB-410301-A (GB)
Title: Improvements in processes and plants for the continuous extraction, by means of one or more solvents, of soluble or liquid constituents contained in any solid material
IPC: C11B1/10
Filed: 1933-03-24
Abstract: <PICT:0410301/III/1> A process for extracting solid materials with a solvent consists in treating the powdered or rolled material in a thin sheet with a solvent in counter current, by submitting the transporting element for the material, to shocks whereby the material is detached from the transporting element and suspended in the solvent.  A jacketted extraction column 1 is provided with a series of perforated screw conveyers 9, 9a . . . . mounted on a preferably hollow shaft 10, driven by gearing 13, 14.  A plate 15 thin at one edge is mounted on the shaft 10 and engages a roller 16 whereby the rotating shaft is given vertical displacements at intervals.  The lowered end of the column 1 is connected to a second vertical column 17 in which is mounted an elevating device consisting of an endless series of buckets 20.  In operation, powdered earth nuts, palm nuts, soya beans, cotton seeds or copra is fed from a proportional feeding device 4 into the column 1 and falls on the screw conveyor 9 which carries the material downwards through the upwardly rising solvent admitted from an inlet 21 in the column 17.  At intervals the conveyer rises suddenly leaving a thin layer of material suspended in solvent.  At the lower end of each screw conveyer the material is projected by centrifugal force and spreads outwardly then slowly falls to the next lower element of the screw conveyer.  When the exhausted material reaches the bottom of the column 1 it is taken up by buckets 20 through the descending stream of fresh solvent to the space above the solvent inlet 21 where solvent drains off through the perforated buckets, and the material is discharged through an outlet 18.  The solution of oil in the solvent is discharged through an opening 22 in the column 1 and after removal of solid particles by decanting and filtering is distilled to recover the solvent and oil. The exhausted material discharged from the outlet 18 is fed into a heated vertical drying column containing a screw conveyor or paddles. The vaporized solvent is drawn off and condensed and the material passes from the bottom of the column into a second horizontal column also provided with conveyer or paddles, and is p  heated in vacuo, where final traces of solvent are removed and condensed.  In a modification of the apparatus for use with heavy solvents, powdered raw material is fed into a vertical tapered column at the bottom of which is a screw conveyer which forces the material into the base of a second vertical extraction column of the form shewn in Fig. 1. Solvent passes downwards through the raw material which is fed upwards by the series of screw conveyers, and passes through the raw material contained into the tapered column to a discharge outlet.
Patent GB-1172305-A (GB)
Title: Improvements in or relating to Prebaked Carbon Anodes
IPC: C25C7/02
Filed: 1967-02-24
Abstract: 1,172,305. Direct connections. KAISER ALUMINUM & CHEMICAL CORP. 24 Feb., 1967 [9 March, 1966], No. 9051/67. Heading H2E. [Also in Division C3] A metal member for making electrical connection to a prebaked carbon anode for use in an electrolytic reduction cell is joined to the anode by a binder comprising furfuryl alcohol resin and graphite. The binder is prepared by impregnating the graphite with an acid catalyst, preferably organic, for the polymerization of the furfuryl alcohol resin and making a paste with the resin. Preferably, the graphite contains no + 8 Tyler mesh particles and only a - 200 screen fraction is impregnated. A lower stub portion of the member which may be integral with or bolted or welded to the member is heated to 100 to 250 C. and inserted into a cavity in the anode containing the paste, the heat of the member initiating the polymerization of the resin. This is completed by the heat generated in the electrolytic process.
Patent GB-335564-A (GB)
Title: Fusible cut-out
IPC: H01H85/38
Filed: 1929-03-20
Abstract: 335,564. Allgemeine Elektricitõts- Ges. Dec. 8, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Fusible cut-outs. - The ceramic body a of a cartridge fuse is protected by a partial or complete lining b of asbestos &c. The fuse wire c is spaced from the wall by a projection d at one or both ends formed on the body a or on the lining b. The wire may alternatively be positioned by passing through holes h, Fig. 4, in the asbestos discs e that close the ends of the cartridge, or by a projection d, Fig. 5, at one end and a ring f or asbestos at the other. Filling material g may surround the wire.
Patent GB-419704-A (GB)
Title: Decorated articles and their manufacture
IPC: B29C37/00
Filed: 1934-03-23
Abstract: Laminated flexible articles of rubber are decorated by applying colouring material to a fabric backing, and then protecting the coloured surface by a layer of translucent rubber, the whole being integrally vulcanized into one piece.  The materials treated may include tyres, the side walls of which can be coloured, while the treads are coated with non-translucent material.  Included in the category of colouring materials is luminous paint composed of barium salts and known radio-active substances.  Decorated sheets may consist of two translucent coatings of rubber with a layer of rubberized fabric coated with colour interposed between them. The colouring material may be applied as a vulcanizable solution of a coloured rubber mix.