baber/WOPTO huggingface dataset:
Patent GB-844109-A (GB)
Title: Means for trimming toothed gear grinding wheels
Inventor: TURNER LESLIE ARTHUR
IPC: B24B53/065
Filed: 1958-05-13
Abstract: 844,109. Trueing grinding wheels. GEAR GRINDING CO. Ltd. April 9, 1959 [May 13, 1958], No. 15266/58. Class 60. A mechanism for trimming the straight and radiused portions 33 and 33a of the periphery of a gear-grinding wheel of the form shown in Fig. 5 comprises in combination, a body portion, a slide 11, Fig. 2, movable thereon, opposed adjustable stops 8 for determining the travel of the slide, a trimming tool spindle 13 carried by the slide and having rotational freedom about its axis, a reciprocatory member 19 carried by the body portion to impart linear motion to the slide and, at the limit of the travel of the slide, rotary movement to the spindle 13, a piston 20 for effecting, hydraulically, reciprocation of the member 19 between adjustable stops 25, a radial arm 26, Fig. 4, secured to the spindle 13, a pair of spring-loaded arms 28 freely movable on the spindle, and abutments 30, 31 extending between the arms 28, one 31, from the slide and the other, 30, from the arm 26. A diamond or other trueing tool is carried in a holder having a micrometer-adjustment device at the end of an extension of the spindle 13. Application of pressure to the cylinder 21 first traverses the slide 11 so that the tool moves across the straight portion 33 of the grinding wheel periphery, a rack portion of the reciprocating member 19 engaging a pinion 18 or toothed segment formed on or secured to the spindle 13 which is held against rotation whilst traversing by the contact of the arms 28 with the abutments 30, 31, Fig. 4. When the slide is held against further movement by one or other projections 34, 35 contacting a stop 8, further travel of the member 19 causes rotation of the spindles 13 and the tool holder about the spindle axis, thus trueing a radiused edge-portion 33a of the wheel periphery. A downward projection 22 from the member 19 carries a member 23 in which micro-switches 24 are mounted, these contacting adjustable stops 25 at the limits of travel of the slide 11 to control an electromagnetically-operated valve (not shown) for reversing the flow to and from the ends of the cylinder 21. Rotation of the spindle 13 and the arm 26 is effected against the action of a coil spring 29, the ends of which bear on the arms 28, one of which will remain in contact with the abutment 31 whilst the other is moved by the abutment 30 projecting from the arm 26. If a wholly arcuate cross-section of grinding wheel peripheryis required, the stops 8 may be adjusted to contact the projections 34, 35, to prevent linear-movement of the spindle 13, the extent of angular movement being determined by the stops 25 and switches 24.
Patent GB-382576-A (GB)
Title: Combined pencil carrier and card grip
IPC: B43K23/00
Filed: 1932-05-30
Abstract: 382,576. Memorandum appliances ; point protectors ; pencil sharpeners. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Card Grip Pencils, Ltd. ; A.M.P. Chambers, Auburn Street, Goulburn, New South Wales, Australia.) May 30, 1932, No. 15358. [Classes 16 and 146 (iii).] A pencil carrier for attaching a pencil to a score card or the like comprises a cylindrical holder 1 with a conical point protector 2 and a card grip 7, by which the pencil is held parallel to the edge of the card 8. A sharpener blade 4 is mounted in a slit 6 in the point protector. The clip 7 may be made as an integral part of the tube 1, and the sharpener blade may be the inturned edge of the slit 6.
Patent GB-1504296-A (GB)
Title: Work holding chucks for machine tools
IPC: B23B31/175
Filed: 1974-04-05
Abstract: 1504296 Chucks J R PEDEN and D V I SANTILLO 4 April 1975 [5 April 1974] 15371/74 Heading B3B A fluid pressure operated chuck for rotational drive by a spindle comprises a part 12 which is held stationary as the spindle rotates whereby the relative rotation between the chuck body 11 and the stationary part 12 causes the generation of the fluid pressure for operating the workpiece gripping jaws 13. The pressure is generated by an annular array of plungers 25a, 25f which engage an adjustable swash plate 26 in the stationary part 12. As the fluid pressure increases the back pressure acts against the bias of the swash plate to reduce its inclination and so reduce the output of the plungers. The action of the plungers is to transfer fluid medium e.g. hydraulic or pneumatic, from a low pressure reservoir 23 in the body 11, to a high pressure reservoir 22. The high pressure reservoir 22 feeds through control valves 30-33 to either a pair of single acting actuators, or as shown, a single double acting actuator 17, 17a formoving the jaws radially, e.g. by bell cranks 15. A control cam ring 36 actuates the valves 30-33 to clamp or unclamp a workpiece. Alternatively electric control of the valves may be provided. A safety interlock may prevent rotation of the spindle when the jaws 13 are unclamped. The chuck is mounted to the spindle by means of three pins 11d.
Patent GB-257690-A (GB)
Title: Improved machinery for manufacturing articles and casting materials by the centrifugal process
IPC: B28B21/30
Filed: 1925-06-15
Abstract: 257,690. Huyghe, A. B. F. June 15, 1925. Centrifugal machines.-In a centrifugal machine for making pipes and like hollow bodies of concrete, metal, or the like, or for coating pipes internally, the moulds 26, Fig. I., fitted exteriorly with collars 26<x> are rolled upon a pair of stationary rails 23, Fig. II, to position between two headstocks 2 slidably mounted on a frame 1 and adapted to be moved simultaneously towards or away from each other by means of shafts 5, 6 having right and left handed screw threads engaging the headstocks. The shafts 5 are fitted with handwheels 11 and are geared by bevel gearing to each other and the shafts 6. The headstocks carry one or more pairs of aligned revoluble mandrels 3, each having a bell-mouth and an internal flange 13. When the headstocks are moved towards each other, the flared ends of the mandrels receive the ends of the moulds or pipes already in position and raise them from the rails. The ends of the moulds abut against the flanges 13 of the mandrels, and a split ring is sprung on to the interior of each flange 13 before the machine is set in motion. The mandrels are formed as pulleys to be driven by belts passing over pulleys 16, the shafts 17 of which slide but do not rotate in sleeves 18 carried by a driving shaft 19. The shaft 19 is driven by an electric motor 20 through variable speed gearing. When the machine is to be used to mould pipes of smaller diameter, adapter sleeves formed similarly to the mandrels 3 are inserted in the mandrels and bolted to the flanges 13. For use with the smaller moulds the central parts 23<x> of the rails 23 are made adjustable in height. The parts 23<x> are supported by pillars 24 held at the required height in guides by pins. When pipes of considerably smaller diameter requiring a greater speed of rotation are to be moulded, the moulds 26, as shown on the right-hand side of Fig. I., are received in adapter mandrels 31 which are supported by friction rollers 30 carried by cages 29. The cages are fixed to the framework and enter the mandrels 3 so that the rollers 30 bear on the interior surfaces of these mandrels.
Patent GB-248613-A (GB)
Title: Improvements in desk or table lamps
IPC: F21V33/00
Filed: 1925-06-15
Abstract: 248,613. Pearlman, V. S. June 15, 1925. Light reflected by trough-shaped reflectors.-A desk or table lamp which can be raised and lowered comprises a preferably rectangular shade 13 open below and with hinged front and rear sides, a horizontally disposed base plate 17, and vertical connecting supports 16, the lamp being concealed when not in use within a casing 33 suspended from the lower side of the desk &c. top. The substantially flat top of the shade 13 and the base-plate are respectively flush with the top of the desk &c., when the lamp is in the depressed and the raised positions, and respectively fit an internally chamfered metallic frame 25 surrounding an aperture in the table top. A hinged cover 62 allows of access to the casing for adjusting purposes. The top of the lamp may have a pen-holding receptacle covered by a hinged lid and the base plate may be provided with an inkwell and a pen holder.
Patent GB-1109485-A (GB)
Title: An apparatus for unwinding yarn over the end of a yarn package
IPC: D02H13/00
Filed: 1965-04-12
Abstract: 1,109,485. Creels. ALGEMENE KUNSTZIJDE UNIE N.V. 12 April, 1965 (16 May, 1964], No. 15529/65. Headings D1J and D1M. A creel, for example a warping creel, of the kind in which yarn is withdrawn over one end of the yarn package and in which the package is supported on an approximately horizontal (peg, is characterized in that the package is surrounded by flexible material retarding the withdrawal of the yarn; said material being held under tension against the lower part of the package, the portion lying on top of the package being arranged to pass thereover substantially without tension. As shown each package surrounding strip 6 has its two ends secured to a fixed bracket 4. The lower part of the strip 6 is tensioned by a pivoted bracket 16 loaded by a weight 15. The strip 6 is provided with pleats 13 into which metal may be inserted to weight the strip. As the package decreases in diameter the excess length 10 of the strip 6 is collected in the space between the fixed bracket 4 and the circumference of the package. The strip 6 may be of fused nylon fabric and may have a slit 22 through which a transfer tail 20 can extend. the slit portion of the strip 6 being held together by a hairpin-like member 25.
Patent GB-946554-A (GB)
Title: Improvements in or relating to heaters for fluids
Inventor: KAYE MARCUS MICHAEL
IPC: H05B3/82
Filed: 1960-05-03
Abstract: 946,554. Electric immersion heaters. POWER FREQUENCY HEATING Ltd. April 21, 1961 [May 3, 1960], No. 15537/60. Heading H5H. An immersion heater applicable to the oil sump of a vehicle includes a hollow open-ended tube, the wall of which includes or consists of one or more heating elements which extend the length of the tube, and mounting means extending radially of the tube at one of, or intermediate, its ends, for mounting the tube in the fluid containing vessel with one of its ends higher than the other, whereby the fluid is caused to circulate through the tube by convection. The sheathed heating element 1, Fig. 1, is wound as a double helix, the ends of which enter a union 4 screw-threaded for attachment to the wall of a fluid container. Adjacent convolutions may be sealed to one another by dipping the wound element into molten solder. Alternatively, an external copper sleeve may be soldered or brazed to the coiled element. In a modification, both external and internal sleeves are employed, sealed at their ends to permit the use of an unsheathed element. In a further modification (Fig. 5, not shown) the heating element is wound longitudinally. The heater may be fitted with filters at either end, may have more than one coil within an external sleeve, and may be in the form of a tube of circular, elliptical, or rectangular cross-section.
Patent GB-496667-A (GB)
Title: Improvements in or relating to electric signalling systems
IPC: H04Q9/04
Filed: 1937-06-04
Abstract: 496,667. Electric control systems. STANDARD TELEPHONES & CABLES, Ltd., and BOWSHER, E. A. H. June 4, 1937, No. 15544. Addition to 472,431. Drawings to Specification. [Class 40 (i)] The arrangement described in the parent Specification for controlling unidirectional current responsive devices over A.C. power mains and comprising at the transmitting point a resistance in shunt with a D.C. source or a rectifier and adapted to be connected in the A.C. circuit to produce unidirectional signals, is provided with a mechanically latching relay for switching the resistance into or out of the A.C. circuit. Furthermore, a separate relay is provided for connecting the unidirectional current source across the resistance. The arrangement also is adapted for transmitting positive or negative pulses and spaced pulses under the control of a switch which is arranged to run synchronously with selector switches located at the receiving points. The transmitting switch is also capable of transmitting long pulses. The system described is substantially the same as that described in Specification 495,057.
Patent GB-836411-A (GB)
Title: Improvements in or relating to apparatus for reeling electric cables and other elongated flexible articles
Inventor: SPENCER HENRY GEORGE
IPC: B65H54/28
Filed: 1956-05-18
Abstract: 836,411. Cable &c. winding apparatus. BRITISH INSULATED CALLENDER'S CABLES Ltd. May 17, 1957 [May 18, 1956], No. 15584/56. Class 120(2) Apparatus for winding cable &c. on a drum comprises a guide for the cable, a variable-speed traversing drive to provide relative movement between the guide and the drum in a direction parallel to the axis of the drum, and a detector responsive to any divergence of the path of the cable from a direction normal to the axis of the drum effective to change the speed of the drive to counteract the divergence. The detector may take the form of a lever 36, Fig. 3, with arms 35 against one of which, according to the direction of traverse, the leading edge of the cable bears as winding proceeds so as to cause the lever to pivot, against spring-action, to close one of two contact pins 67, 68. In a form in which the traverse is hydraulically operated, Fig. 5, closure of the pair corresponding to the setting of a reversing switch 100 energizes a solenoid 18 which controls a throttle-valve 16 governing the flow to a piston which moves the drum or the guide as the case may be. In another form, Fig. 6, closure of the appropriate pair energizes one of two solenoids 20, 30 operating a clutch 117 by which can be driven from a shaft 113 in one direction or another a rod 108 in threaded engagement with a bridge 111 carrying the lever 36. In these forms, the reversing switch 100 is operated when it engages the drum or the guide, whichever is movable: in both forms it energizes one of two solenoids 29, 30 which in Fig. 5 control a reversing valve 17 and in Fig. 6 the clutch 117. In a third form which is hydraulically operated and provides a modified electrical circuit for the solenoid 18 operating the throttle 16, reversal is effected by a tiltable plate 42 riding on the leading edge of the cable as described in Specification 836,412.
Patent GB-1451314-A (GB)
Title: Brake control apparatus for vehicle hydraulic braking systems
IPC: B60T11/20
Filed: 1973-03-31
Abstract: 1451314 Antiskid braking systems GIRLING Ltd 28 Nov 1973 [15 Dec 1972 31 March 1973 25 July 1973] 57887/72 15597/73 and 35393/73 Heading F2F In a master cylinder assembly with a modulating piston 3 for applying a force to a master cylinder piston 1 which generates or controls braking pressure and a pedal-operated booster valve assembly for supplying fluid to the side of the modulating piston 3 remote from the piston 1, a skid sensing means is operative to modulate the booster pressure to regulate the braking in skid conditions. In the construction shown, a pedal operated rod 20 advances a circular plate 21 initially to move it out of engagement with the stem of a tilting valve member 30 which then closes a port 32 leading to a reservoir 31. Further movement of plate 21 urges a valve head 23 away from a seating 24 so that high pressure fluid from an accumulator 28 passes via a port 27 and an axial passage 25 provided in an axial extension 17 of a piston 15, to a chamber 19. The fluid then passes via a passage 33 and a solenoid valve assembly to a chamber 16 where it acts on a modulator piston 3 to advance the latter. Advancement of piston 3 causes corresponding movement of a main piston 4 to close a valve 8 connected to a reservoir 7, whereafter fluid in a space 5 is pressurized and passed to hydraulic actuators through an outlet port 6. Upon detection of an incipient skid condition, a skid sensor 43 causes a solenoid 41 to be energized and advance an armature 40 to urge a ball 38 into engagement with seating 37 to cut off fluid supply to chamber 16 and place the latter in communication with a reservoir 31 thereby relieving the braking pressure. In another embodiment without the tilting valve member 30 a plate 21 is coupled to an axially dispaceable stem 44, Figs. 2-4 (not shown), carrying a valve head (45) for engaging a seat (46) at one end of a longitudinal bore (47) in the housing 1 connected to the reservoir 31. Three solenoid operated antiskid valve assemblies 35 are provided connected to pressure chamber 19 and respectively connected to three modulator pistons 3 arranged in three angularly spaced bores arranged on a constant diameter pitch circle diameter. Two pistons may be connected to the brakes on different front wheels and the other to both rear wheel brakes. In a modification of this embodiment, Figs. 5-7 (not shown), plate 21 comprises a piston having an axially extending skirt (50) for actuating a tilting valve assembly (53) connected to the accumulator. Each main piston 4 is of differential outline and each pressure space 5 is defined between a respective piston 4 and a plug (54) closing bore 2. The modulator pistons 3 are also stepped and a chamber 16 is located behind each of the pistons 3. In another construction three single master cylinders 81, Figs. 11, 12 (not shown), are bolted on to the booster part of the master cylinder assembly. Tandem master cylinders may be provided.
Patent GB-258338-A (GB)
Title: Improvements in spray carburetors for internal-combustion engines
IPC: F02M1/04
Filed: 1925-06-17
Abstract: 258,338. Percival, S., (Ken-Crip Corporation). June 17, 1925. Closure members, hinged and rotary cylindrical.-In a carburettor of the kind comprising a main air passage 2 to which fuel is supplied through a slot in a rotary throttle valve, the throttle valve 3 is of oblate spheroidal shape and is mounted to turn about an axis in the plane of its greatest diameter. The valve 3 is hollow and is provided with an outlet slot 8 for rich mixture which is supplied to the interior of the valve through orifices 9 in the valve spindle 6, the air being supplied through the passage 6<1> and the fuel through an inlet 29. To control the admission of the fuel, the spindle 6 is formed in two parts 6, 6A, Fig. 7, having at the ends interengaging cups 16, one of which is cut away at 21 to form an inclined edge a, b, c, which coacts with the fuel inlet 29. The cups 16 are pressed apart by a spring 30, and the position of the inclined edge relative to the inlet 29 may be adjusted by a nut 23. The valve 3 is operated by an arm 31, and is so shaped that the amount of air admitted is in direct proportion to the extent of opening of the valve; the proportions of air and fuel are thus kept constant.
Patent GB-291342-A (GB)
Title: Improvements in coil-junction-boxes for submarine cables
IPC: H02G15/14
Filed: 1928-05-29
Abstract: 291,342. Felten & Guilleaume Carlswerk Akt.-Ges. May 28, 1927, [Convention date]. Discontinuously loaded cables. - In order to make a junction box containing Pupin coils flexible for passing over the stern drum of a cablelaying vessel, the coils are individually enclosed in two-part rubber cups a, b which may be reinforced with helical wires c. Discs f of metal. or of insulating material, such as rubber, which may be strengthened with solid or perforated metal discs g, are fitted between the cups. The conductors d are preferably carried helically round the rubber cups, the discs being then provided with helical guide grooves. In a modified construction the conductors may pass along the axis of the junction-box, openings being formed for them in the lid and bottom of each cup and in the disc. In the embodiment, the disc f is formed of rubber and has a copper insertion g which is recessed or formed with openings h to reduce weight. Passages e in the cups are formed for the coil leads. Specification 255,038 is referred to.
Patent GB-1129564-A (GB)
Title: Method of operating a heat exchanger
Inventor: LAWS WILLIAM ROBERT
IPC: F28D7/10
Filed: 1966-04-07
Abstract: 1,129,564. Heat exchangers. BRITISH IRON & STEEL RESEARCH ASSOCIATION. 1 Feb., 1967 [7 April, 1966], No. 15787/66. Heading F4S. In a method of operating a heat exchanger having a porous wall separating two fluids in heat exchange one with the other, the heated fluid is at a higher pressure than the other fluid such that a proportion e.g. 1% of the higher pressure fluid penetrates the wall to inhibit the formation of a stagnant boundary layer of fluid on said wall. In the apparatus shown comprising two concentric tubes, the inner tube 1 is the porous tube and hot exhaust gases flow through this tube. High pressure air flows through the tube 2 and a proportion of the air leaks through the porous wall of the tube 1.
Patent GB-583969-A (GB)
Title: Improvements in and relating to electrical connecting means
IPC: H01R4/02
Filed: 1944-08-18
Abstract: 583,969. Cable and wire couplings. HUGHES & SON, Ltd., H., SPROULE, D. O., and HUGHES, A. J. Aug. 18,1944, No. 15842. [Class 38 (i)] An electrical connector for making connections between two terminal boards c, d, or the like disposed parallel to one another, comprises two resilient strips of metal a, b, bent through holes e, e in the boards, the strip a having a part a<2> slightly inclined to the edge c<1> of terminal board c. Strip b is bent to form a hook f so that the application of a tool g in the direction of the arrow h, flexes the parts a<2>, b<2> until the extremity of a<2> slips over the lip f<1> of hook f and may be secured therein by solder (Fig. 6). The other ends a<1>, b<1> form soldering tags for leads. Failure of the solder may be indicated automatically by making blade a<2> slightly shorter so that the connector has to be flexed slightly from the symmetrical position for blade a<2> to make good contact with the bottom of hook f before soldering. Thus if the solder fails the connector will return to its symmetrical position. A plurality of connectors may be mounted in spaced relationship to one another on the terminal boards.
Patent GB-225787-A (GB)
Title: Improvements in or relating to collectors for overhead electric lines
IPC: B60L5/12
Filed: 1924-07-02
Abstract: 225,787. Brooks, T., and Woods- Gilbert Rail Remodelling Co., Ltd. July 2, 1924. Stationary collectors for use with overhead conductor wires for temporarily supplying auxiliary apparatus comprise a pole 5 with a clamp 6 having a jaw 9 engaging over the wire 3 and a lever 11 pivoted at 10 and having a jaw 13 passing through the clamp 6 and engaging under the wire. The jaw 13 carries a stop abutting against the jaw 9 and is held in position by a cord 15 and spring on the pivot 10. The cord 15 is held taut to retain the clamp on the wire, but this arrangement may be reversed by changing the position of the jaws 9, 13.
Patent GB-1110603-A (GB)
Title: Improvements in, or relating to, pistols
Inventor: ARROWSMITH JOHN BASIL
IPC: A22B3/02
Filed: 1964-04-16
Abstract: 1,110,603. Slaughtering pistols. ACCLES & SHELVOKE Ltd. 16 July, 1965 [16 April, 1964], No. 15896/64. Heading A1M. A captive bolt pistol has a resilient deformable member 7 surrounding the bolt 1 between a flange 6 on the bolt and the muzzle of the barrel so that when the bolt is projected by means of a cartridge, the member 7 is axially compressed and radially expanded until travel of the bolt is terminated whereupon the member 7 returns the bolt 1 to its initial position. The member 7 may comprise rubber elements separated by washers 8 or a single sleeve preferably formed on its inner and outer surfaces with a helical groove. Vents 12 for the explosion gases are provided in the muzzle.