baber/WOPTO huggingface dataset:
Patent GB-146770-A (GB)
Title: Improvements relating to the valves of automobile engines and the like
IPC: F01L3/08
Filed: 1919-11-03
Abstract: 146,770. Rowe, C. H. Nov. 3, 1919. Valves.-In a device for preventing leakage between a valve-stem and guide, of the type in which a sleeve or cap A having an aperture 2 for the valve stem and a flange 5 for the valve spring is slipped over the guide 8 and retains a felt or other washer 4 against the end of the guide, the sleeve or cup A is slotted as shown at 6 so as to be expansible to fit over valve-guides of different sizes and shapes. In a modification, in which the slots 6 extend to the base. the sleeve may be made by stamping sheet metal to form the tongues 7, which are then bent up at right-angles. In this form, some of the tongues may be short and serve merely for retaining the washer. Specification 134,363 is referred to.
Patent GB-989489-A (GB)
Title: Improvements in or relating to grinding machines and feed-mechanisms therefor
IPC: B23B29/034
Filed: 1961-07-26
Abstract: 989,489. Grinding. H. R. WARSEWA, and K. H. WOLFRAM. Jan. 26, 1961 [Jan. 27, 1960; Jan. 19, 1961], No. 27012/61. Heading B3D. Means for providing the feed of the grinding-wheel 5, Fig. 1, or regulating wheel 4 of a grinding-machine comprises a primary toggle 7 which is disposed between a thrust-receiving member 8 and the support of the regulating wheel or grinding- wheel (the regulating wheel support 3, as shown) and, in order to feed the said support against spring bias, is moved to extended position by a secondary toggle 9 having one arm engaging the toggle 7. In the embodiment of Fig. 1, the machine is a centreless grinder having a regulating wheel 4 carried by the support 3 movable towards the grinding-wheel 5 against the pull of a tension spring 17. The thrust-resisting member 8, with the wheel mounting 3, is coarsely adjusted on the machine bed 1 by a hand wheel 27 and screw 18, with finer adjustment by means of worm gearing 26, 25. A clamping bolt 16 secures the member 8 prior to the use of the toggle feeding device. The screw 18 is first used to bring the work 6 and wheels 4 and 5 into contact. The centre of the toggle 9 is then moved by a piston 13 in an hydraulic cylinder 12 to its straightened position. Precision regulation of the feed is next effected by a slide 10 against which one end of the toggle 7 bears, the slide being moved downwards to actuate the toggle by a wedge 19 which is moved across the end of the slide by screw 20 on a shaft 19 rotatable by either a reversible motor 22 or rotary solenoid and electromagnetic clutch 23 which is engaged and disengaged in sequence to simulate a ratchet motion. If desired, the piston 13 may be changed over to rapid operation during return movement. Fig. 2 shows diagrammatically a second embodiment in which the adjustable mounting is shown at 28 and the slide and wedge arrangement of Fig. 1 is replaced by an hydraulic actuator 29 and the piston-and-cylinder device 13, 12 is replaced by a slidable feed cam 32 operated by a feed cylinder 31, the toggle 9 being maintained in contact with the cam either by a compression spring 17<SP>11</SP> or guiding the roller G<SP>111</SP> of the toggle 9 in a cam groove. Compression springs 17 ensure the return of the feed slide 28 and maintain all the components of the device in close engagement. The start of the feed motion of the slide is determined by an adjustable stop 34 and stops 30, 33 determine the length of the stroke of the piston in the cylinder 31 and the end of the grinding operation, respectively.
Patent GB-208280-A (GB)
Title: Improvements in or relating to cabinets or apparatus for filing or storing matrices or other articles
IPC: B41B1/22
Filed: 1922-10-06
Abstract: 208,280. O'Donoghue, C. F. Oct. 6, 1922. Revoluble cabinets, &c.-Pigeon-holed cabinets for storing or filing matrices, books, papers, or the like are suspended by a chain, cable, or balljointed rod 4 from the ceiling or an elevated fixture so as to be capable of rotary and swinging motion. A number of cabinets may be suspended from one rod by securing them together one below the other by hooks and eyes.
Patent GB-683799-A (GB)
Title: Improvements relating to operating means for louvre windows
IPC: E05F17/00
Filed: 1951-11-19
Abstract: 683,799. Ventilators; louvre operating mechanism. GISSING PTY., Ltd., F. W. Nov. 19, 1951 [Sept. 11, 1951], No. 27063/51. Class 137 Mechanism for adjusting the inclination of louvres pivoted about horizontal axes in an opening comprises an operating bar 10 which is vertically slidable within a mullion 11 and coupled by webs 15 to louvre clips 14, pins 16 on the webs 15 working in slots 17 in the bar 10 which is raised or lowered by rotating a pinion 18 disposed between the bar 10 and the mullion to mesh with a rack 19 on the bar 10. Pins 12 on the mullion 11 pass through slots 13. in the bar 10 to guide the latter during vertical movement. The pinion 18 carrying an operating handle 22, has a spindle 20, one end of which projects into a slot 21 in the bar 10, the other end being rotatably mounted in the mullion 11.
Patent GB-401091-A (GB)
Title: Improvements in or relating to hinges for spectacle frames
IPC: G02C5/22
Filed: 1932-09-29
Abstract: 401,091. Spectacles. PHILIPPE, M. and RAPHAEL'S, Ltd., 57A, Hatton Garden, London. Sept. 29, 1932, No. 27114. [Class 97 (i).] The limbs a, b of a hinge for a spectacle frame are provided with pins a<1>, a<2>, b<1>, b<2> which are passed through holes in the side and in the rim of the frame. The pins may be replaced by internally or externally threaded tubes which can be engaged by collars in order to secure the hinge to the frame.
Patent GB-382037-A (GB)
Title: Improvements in handles for ballast tampers
IPC: E01B27/14
Filed: 1931-09-29
Abstract: 382,037. Percussive tamping tools. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Ingersoll- Rand Co.; 15, Exchange Place, Jersey City, New Jersey, U.S.A.) Sept. 29, 1931, No. 27140. [Class 124.] A ballast tamper having two handles L, 0, has two extensions P on the latter, these being formed of flexible material such as rubber secured to the handle O by a bolt R. Conical washers U are provided to retain the grips P in alignment with the handle O.
Patent GB-896704-A (GB)
Title: Transistor switching circuits
Inventor: OHLSEN GEOFFREY TURNER
IPC: H03K19/084
Filed: 1959-08-10
Abstract: 896,704. Transistor switching circuits. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Aug. 5, 1960 [Aug. 10, 1959], No. 27263/59. Class 40(6). A switching circuit comprises two transistors T1, T2 coupled via a diode D, such that when the first transistor T1 is conducting the diode D is forward biased and the transistor T2 cut off, and vice versa. The bias circuit comprising resistors R1, R3, R4 and bias source +V is so arranged that with diode D non-conducting the transistor T2 is held fully conductive. When transistor Tl and diode D conduct, the potential at P drops to earth potential cutting T2 off. A number of drive circuits may be connected through individual diodes to a common driven circuit, Fig. 2 (not shown) to form an "AND" gate, or alternatively one drive circuit may be connected to a number of driven circuits through individual diodes.
Patent GB-486184-A (GB)
Title: Improvements in or relating to machines for removing waste yarn from bobbins donned on skewers and for doffing the bobbins from the skewers
IPC: B65H73/00
Filed: 1937-10-07
Abstract: 486,184. Stripping waste from bobbins or tubes and tubes from skewers. STUTZ, W., (trading as STUTZ & CIE VORM. J. STUTZ-MULLER). Oct. 7, 1937, No. 27294. Convention date, April 12. [Class 120 (iii)] A machine for removing waste yarn from bobbins or tubes mounted on skewers and for doffing the tubes from the skewers comprises a pusher 5 for pushing the skewer 4 and tube 2 between yarn strippers 1, clamping means 6 for holding the tube after its passage between the strippers, and gripping means 12 for engaging the skewer and pulling it longitudinally out of the tube in the means 6. The gripping means 12 consists of prongs loosely mounted on pivots B on a slide 11 and held against supporting projections by tension springs and the slide carries plates 10 co-operating with rollers 9 on pivoted spring-controlled arms 7 carrying the clamping means 6. As the pusher 5 pushes the tube and skewer through the strippers 1, the skewer engages the grippers 12 and, as the pusher makes its return movement, the slide 11 moves away from the strippers, and the plates 10 from the rollers 9 ; the clamping means 6 are thus allowed to engage the tube 2 and the gripping means 12 pull the skewer out of the tube. On the return movement of the slide the skewer falls out of the prongs 12 by its own weight and the plates 10 engage the rollers 9 and move the clamping means 6 to release the tube.
Patent GB-1389138-A (GB)
Title: Carburettor having a throttle valve positioner
IPC: F02M3/04
Filed: 1973-06-08
Abstract: 1389138 Preventing engine "running-on"; carburetters FORD MOTOR CO Ltd 8 June 1973 [23 June 1972] 27319/73 Heading F1B A carburetter has control means to move a throttle valve 22, rotatably mounted across an induction passage, from a closing position 34 through an idle speed position 36 to a wide open position and return, the control means including first means 54 biasing the throttle to its open position and power means responsive to engine shut-down operation for permitting initially a movement of the throttle valve to its closed position to reduce mixture flow and subsequently effecting movement of the throttle valve to an open position for an engine starting operation. Prior to engine starting servo chambers 46, 48 are at ambient pressure so that spring 54 moves throttle 22 to the idle speed position 36. When the engine is cranked for starting the turning of ignition key 72 energizes valve 68 to the closed position (contacts 84 being closed when the manifold vacuum is below 19 inches Hg.) so that inlet vacuum from reservoir 66 is not admitted to chamber 46. The throttle valve 22 remains in the position shown with normal engine idling mixture being inducted into passage 16 through orifice 30. If, after normal acceleration, the operator releases the throttle the latter is biased closed by the spring 40 causing inlet manifold vacuum to rise above 19 inches Hg thereby moving plunger 80 to break the circuit to valve 68 which is opened by spring 71. Vacuum is applied to chamber 48, retracting plunger 52 to allow spring 40 to fully close throttle 22 cutting off mixture flow to the cylinders. If the ignition key is turned to stop the engine the valve 68 is again opened to retract plunger 52. After the engine stops a flow restrictor 64 delays the decay of vacuum in reservoir 66 thereby permitting the throttle to be held closed for a time to prevent "running-on" after which the throttle returns to the idle position 36. In a modification the invention is used with a conventional idle system (26'), Fig.2 (not shown).
Patent GB-629451-A (GB)
Title: Improvements in or relating to holders for type and the like
IPC: B41F27/04
Filed: 1947-10-11
Abstract: 629,451. Printing-surfaces. McGRATH, S. F., and NEW DIE, Ltd. Oct. 11, 1947, No. 27332. [Class 100 (ii)] A holder for type, dies, blocks or the like comprises members moving in mutual association to secure the type by converging upon it from at least two directions at right-angles. A spindle 5, Figs. 1 and 4, with a knurled knob 9, passes through horizontal slots 6, 7 in a U-shaped member 4, and has oppositely threaded portions 10, 11 engaging nuts 12, 13, each having two lugs 14 engaging in diagonal slots 15 in a pair of U-shaped slides 16 and in longitudinal slots 17 in two flat slides 18. The U-shaped member 4 covers the ends and top of a channelmember 1 in which the slides move, and is cut away at 3 to allow insertion of type. Rotation of the spindle causes the nuts and slides 16 to move together or apart. If the slides 16 are prevented from moving by engaging type between them, slides 18 move laterally, the spindle sliding in the slots 6, 7, and force the type against a wall 19 of the member 1, while if the type is first gripped between the wall 19 and slides 18, the slides 16 continue to approach each other and grip the type between them. The holder may be of heat-withstanding material for use in embossing and like processes and may be for machine or manual use, for which latter a handle may be attached thereto. The spindle may have threads of wide pitch and be provided with a multiple or multi-start thread. According to the Provisional Specification, one or more of the flanges of the slides 16 may be partly slit to take up play between the slides and the member 1, and the spindle may have a knob 9 at each end.
Patent GB-1527818-A (GB)
Title: Underfloor electrical distribution system
IPC: H02G3/04
Filed: 1977-05-18
Abstract: 1527818 Conduits DORMAN SMITH BRITMAC Ltd 18 May 1977 [1 July 1976] 27366/76 Heading H2C Trunking 18 is connected to an underfloor distribution box 10 by clamping it between a flanged adaptor 12 and a clamp plate 14 having upturned portions 15 which can be clenched to the flanges 13 of the adaptor. The upturned portions may be hammered or pressed into place. An earth continuity screw 20 may be provided.
Patent GB-293611-A (GB)
Title: Improvements in water tube boilers
IPC: F22B13/02
Filed: 1927-10-15
Abstract: 293,611. Schulze, A. Oct. 15, 1927. Water-tube boilers.- In a boiler having tubes e forming the sides and rear walls of the fire space, the tubes are connected to an upper header b arranged in the middle of the boiler. The tubes open into the lower header a through apertures p which increase in size with their distance, from the feed inlet pipe i'. The inlet pipe projects into the lower header and is cut obliquely to prevent the water from flowing directly into the rear tubes. Hollow bars d extend between the rear of the bottom header and a tube c across the front of the header. The furnace gases escape between the upper ends of the rear tubes.
Patent GB-1318274-A (GB)
Title: Method of continuously compacting heating kneading and mixing  plasticisable material
IPC: B29C43/24
Filed: 1970-06-08
Abstract: 1318274 Rolling plastics HERMANN BERSTORFF MASCHINENBAU GmbH 8 June 1970 [10 June 1969] 27535/70 Heading B5A A method of continuously compacting and heating, kneading and mixing plasticizable, initially particulate, plastics material to produce a sheet, comprises the steps of feeding at a controlled rate the plastics material to a nip defined by two rolls rotating at different peripheral speeds, the nip size, the rate of feed, the relative peripheral speeds of the rolls and the material itself being such that the shear stresses generated at the nip have the effect of heating the material as it is continuously compressed and kneaded to produce the required sheet, the feed rate ensuring that the material does not remain in the nip for a period to cause non- uniform heating.
Patent GB-1071395-A (GB)
Title: Fluid control valve
IPC: F24H9/20
Filed: 1964-07-06
Abstract: 1,071,395. Valves. A. L. MILLER. July 6, 1964 [July 12, 1963; March 9, 1964], No. 27741/64. Heading F2V. A flow of fluid from air-inlet chamber 15, Fig. 1, to an outlet chamber 16 is controlled by a moving closure-member 26 actuated by a pair of rigidly-interconnected diaphragms 28, 32. The space between the diaphragms is open to atmosphere whilst the inner face of the lower diaphragm 28 is acted upon by the fluid in the inlet chamber 15; a chamber 39 above upper diaphragm 32 is connectable to a control pressure that may be the same as that in the inlet chamber 15 in which case diaphragm 32 is of larger effective-area than the lower diaphragm 28. Upon admitting control pressure to a pipe 49 it passes through a metering orifice to the chamber 39 and after a time delay, which is dependent upon the size of the orifice, sufficient pressure builds up to move the diaphragms and open the valve; the full opening is effected rapidly since the pressure in the inlet chamber falls quickly after the initial valve opening. When the control pressure is cut off the pressure in chamber 39 is speedily vented through a flap non-return valve 52 and the pipe 49, the valve 52 by-passing the metering orifice. Either one or both of the orifice and non-return valve may be dispensed with. If an independent control pressure is employed the diaphragm 32 may be of the same or smaller effective area than diaphragm 28, or it may be omitted altogether. In a modification, the control pressure also acts upon a further diaphragm (65, Fig. 4, not shown) which after the required time delay is lifted to open a spring-closed valve (84) through a leaf-spring (88) and since the valve (84) is in parallel with the orifice (54) to permit a free flow of fluid into the control chamber (64) and hence a rapid opening of the closure member 26. In another modification, the valve (101, Fig. 5, not shown) is formed on the boss of the upper diaphragm (32) which has a degree of lost motion relative to the lower diaphragm (28).
Patent GB-439908-A (GB)
Title: Improvements in rotors for pumps and blowers
IPC: F04C2/08
Filed: 1934-09-28
Abstract: 439,908. Gear pumps. BROWN & SONS (HUDDERSFIELD), Ltd., D., and MERRITT, H. E., Park Gear Works, Lockwood, Huddersfield. Sept. 28, 1934, No. 27794. [Class 110 (ii)] The shape of each tooth in a gear wheel pump rotor is such that the main outline a is involute in form, and the part b is a circular curve or built up of circular curves, and may be part of an ellipse. The curve b may be struck on a radius whose centre is on the pitch point. Spur or helical pump gears may be shaped as above.
Patent GB-320222-A (GB)
Title: A new or improved machine for the manufacture or casing of black puddings and the like
IPC: A22C11/08
Filed: 1928-09-28
Abstract: 320,222. Mason, J. F., and Mason, E. F. Sept. 28, 1928. Blackpuddings.-A machine for filling the casing of blackpuddings and the like consists of a cylinder 6 into which the main mixture is fed, by gravity or mechanical means, from a hopper, having stirring paddles therein, through a pipe which leads to the inlet 8 in the cylinder 6, a piston 3 for forcing the mixture into the skin on the nozzle 7, and a sliding tubular cutter 34 which slices off a pieces of fat which is protruded into the cylinder 6 by a forcing worm 29. The piston 3 is reciprocated by a cam groove 5 in a cylindrical cam 1 and the cutter 34 is reciprocated by a groove 36 in a cam 37. The worm 29 is driven intermittently by means comprising a shaft 13 driven by a sprocket 14 from an electric motor, a clutch 15, 16 the part 15 of which has a cam groove 19 and is urged into engagement with the part 16 by a spring 27, a shaft 17 and a gear wheel 18 thereon geared to the shaft of the worm 29. The groove 19 is engaged, at times, by a roller on a rocking lever 20 which is attached to a tension spring 22 and is connected by a shaft 21 to an arm 23. The arm 23 is loosely connected to a rocking lever 24 having a roller which engages a cam plate 26. The cam 26 thus forces the roller on the lever 20 into the cam groove 19 and the clutch part 15 is disengaged from the part 16. The cam 26 then releases the arm 20, the roller thereon is swung away from the cam groove 19 by the tension spring 22 and the part 15 is forced by the spring 27 into engagement with the part 16, thereby operating the worm 29. The cam 1 is driven by a worm wheel 12 engaging a worm on the shaft 13. The pipe leading the filling material from the hopper to the inlet 8 is pivotally mounted so that its lower end slides over the cylinder 6 to open or close the opening 8, whilst the upper end of the pipe is flanged and controls the outlet from the hopper. The pipe is swung by hand and an inspection opening, covered with a sliding sleeve, is provided in the pipe.
Patent GB-1276209-A (GB)
Title: Improvements in concrete and similar drainage pipes
IPC: E02B11/00
Filed: 1970-06-09
Abstract: 1276209 Drainage pipe M J REES C R REES and H REES [trading as ALBION CONCRETE PRODUCTS] 29 April 1971 [9 June 1970] 27866/70 Heading A1B [Also in Divisions E1 and F2] A land drainage pipe of concrete has a plurality of parallel slots 12 cut therein, each angled diagonally with respect to the pipe axis. As shown the beginning 13 of one slot and the end 14 of the previous slot are in the same radial plane so that water falling over the surface of the pipe cannot fail to encounter a slot. If the angle subtended by a slot at the point on the axis intersecting the plane of the slot is approximately 100‹ it is stated that the weakening of the pipe is negligable. The peripheral length of the slot per se is less than one half of the circumference of the pipe.
Patent GB-975082-A (GB)
Title: Improvements in or relating to electrostatic flocking processes
IPC: D04H11/00
Filed: 1963-07-15
Abstract: 975,082. Ornamenting. SOC. DE LA VISCOSE SUISSE. July 15, 1963 [Aug. 11, 1962], No. 27955/63. Heading B6G. A process for preparing pile fabrics comprises treating artificial fibres with an aqueous solution of tannin of pH 4-5, adding potassium antimonyl tartrate to the solution and continuing the treatment, drying the fibres, and securing the treated fibres to an adhesivecoated base under the influence of a high-tension electrostatic field. The fibres may be pretreated with a solution containing potassium aluminium sulphate. Before drying the fibres may be further treated with a solution containing an anionic finishing agent and sodium sulphate. The fibres may be of polyhexamethylene adipamide, polycaprolactam, cellulose triacetate, polyethylene terephthalate or polyacrylonitrile.
Patent GB-717466-A (GB)
Title: An improved shock-absorbent bearing
IPC: G04B31/08
Filed: 1952-11-07
Abstract: 717,466. Bearings. SEITZ, P. Nov. 7, 1952, No. 28084/52. Class 12(1) In a shock-absorbing bearing, more especially for a time-piece pivot, in which the metal bearing body 4 is provided with a conical seat 9, the bush consists of a pierced jewel 7, at least a part of the periphery of which has the form of a surface of revolution resting in the seat 9. The generatrix of the surface of revolution is a curve the convexity of which is directed towards the outside of the bearing. A cap jewel 10 is mounted in a setting 11 having a frusto-conical periphery and is held in position by a spring 17.
Patent GB-892937-A (GB)
Title: Catamenial devices and the like
IPC: A61F13/20
Filed: 1960-08-15
Abstract: Tampons or catamenial pads are treated with glyceryl triacetate (triacetin).  Excessive alkalinity causes it to release acetic acid which consequently restores the correct acidic state of the secretions.  It may be applied by dipping the absorbent material in the liquid triacetin either alone or diluted with ethyl alcohol or ether.  Either the absorbent wad or the permeable wrapper, or both, may be so treated.  Specification 779,228 is referred to.