baber/WOPTO huggingface dataset:
Patent GB-200751-A (GB)
Title: Improvements in and relating to stitching and perforating machine
IPC: A43D11/00
Filed: 1922-11-04
Abstract: 200,751. Imrie, H., (Mathey, N. W.). Nov. 4, 1922. . Sewing-machines; perforating devices.-Ornamental perforations between two parallel lines of stitches are made simultaneously with the stitching. One or more punches 51, Fig. 4, are carried by a holder 50 which is adjustably secured upon a punch-bar 8 and shaped so as to bring the punches close to the stitching point. Punchholders are interchangeable, are positioned upon the stock 41 of the bar 8 by a flange, 53 and a surface at right-angles thereto, are adjusted vertically by a screw 46 screwing into the stock 41 and engaging ears 54 on the holder, and are secured in position by screws 55. The needleholder 57 is slotted at 60 to clear the punchholder. The punch-bar 8 is reciprocated from a shaft 10, Fig. 2, driven by a gear-train of two to one or other greater ratio from the main shaft of the machine. The shaft 10 carries a cam 14 with which a lever 26 engages and the oscillations of the lever 26 are transmitted to a lever 20 by a pin 27. An arm 21 of the lever 20 engages a block 23 which slides transversely in a slot in the punch-bar and a forked part 24 of the punch-bar embraces the arm 21 to prevent the bar 8 from turning. The punch-actuating gear may be thrown out of action by sliding the lever 26 and its supporting shaft axially until the bowl 29 is free of the cam. This movement is permitted by the pin connection 27 with the lever 20 and is effected by a handle 30. When the lever 26 is thus disengaged a stop 36 determines the position of the mechanism. To avoid defective action of the punch due to slackness in the pin-joints, an arm 34 integral with the lever 26 is arranged to contact with the lever-arm 21 and determine positively the lowest point in the punch stroke. The punches co-operate with an anvil in the workplate. Presser-feet.-A slot 69, Fig. 4, on the underside of the presser-foot 64 guides away any punchings that may remain on the surface of the work. The presser is narrow and has a pointed up-turned toe 67.
Patent GB-1321541-A (GB)
Title: Sulphaguanidine derivatives
IPC: C07D213/53
Filed: 1971-06-28
Abstract: 1321541 Treating marek's disease MERCK & CO Inc 28 June 1971 [30 June 1970] 30255/ 71 Heading A5B [Also in Division C2] Pharmaceutical preparations especially suitable for treating or preventing Marek's disease occurring in poultry contain (I), (II), (III) and/or (IV) as active ingredient where Z signifies R 1 CH=N-, R 2 CONH- or (R 3 )(R 4 )(R 6 ). C.NH-, R 1  is phenyl containing F or alkylthio, or Cl and OH substituents or is a 5 or 6-membered ring heterocycle having 1 or 2 heteroatoms, R 2  is C 3 to   6  cycloalkyl, C 10   to   20  alkyl, CF 3 , a 5 or 6-membered ring heterocycle containing 1 heteroatom, alkoxy, haloalkoxy, alkoxyalkoxy or alkylthio, R 3  is NaSO 2 -, HO 2 C-CH 2 -S-, HO 2 C-CH (NHCOMe)CH 2 -S-, CH 3 COCH= or a radical (V), R 4  is H, alkyl or alkoxy, R 5  is H or alkyl and R 6  is H (R 6  is not present when R 3  is attached to C via a double bond). The preparations may be in the form of a feed, supplement, parenterally administrable solution, suspension or dispersion and may also contain nutrients and other additives, e.g. coccidiostats such as amprolium, ethopabate, nicarbazin and 1-(2-n-propyl-4-amino-5-pyridiminylmethyl)-2-methyl pyridinium chloride hydrochloride.
Patent GB-1395256-A (GB)
Title: Electrets
IPC: H01G7/02
Filed: 1972-06-28
Abstract: 1395256 Electrets AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE 28 June 1972 [2 July 1971] 30281/72 Heading H1M [Also in Division H4] Leakage of charge from the charged surface, or as shown, surfaces of a polymer electret is avoided by sealing a fluid 10 of high dielectric strength so that it is in substantially permanent contact with the charged surface. As shown this is achieved by peripherally sealing further polymer sheets 11, 16 to the electret foil 3. High dielectric strength is defined as being higher than that of pure dry air binder normal conditions, and suitable fluids are carbon tetrachloride, sulphur hexafluoride, liquid nitrogen, air at less than one millibar and trihalomethanes. To manufacture the electret a foil of polypropylene or polyimide is placed between two electrodes and a voltage sufficient to ionize air trapped between the surface to be charged and the electrode is applied. Where only one surface is to be charged air in contact with the other surface is replaced by insulating oil, or that surface is metallized. The electrodes are then moved away while the voltage is maintained, the ambient air is replaced, in a suitable chamber by the fluid of high dielectric strength a dielectric foil is placed in contact with each charged surface and the peripheral welding carried out. The electrets are suitable for use in microphones, telephone receivers or transmitters, pick-ups or ultrasonic transducers.
Patent GB-266476-A (GB)
Title: Improvements relating to thermionic devices
IPC: H01J1/20
Filed: 1925-12-01
Abstract: 266,476. Price, S. L. Dec. 1, 1925. Vacuum tubes. - A valve has a cathode rendered thermionically active by convergence of radiant energy by means such as a reflector or lens mounted upon or within the envelope, or formed as a part of it. The filament, plate, or other cathode, or energy-absorbing material adjacent to the cathode, may be mounted in the form of the reflector &c. As shown in Fig. 1 the cathode 3 consists of a number of coated filaments mounted on or under a plate, which is heated by a filament 4 mounted in a part 5 of the envelope acting as a reflector. The part 5 may be silvered or may be left clear so that the device acts also as a lamp. The filament may be mounted in a bulb removable from the envelope. In another arrangement a reflector is mounted upon the valve, and the cathode consists of a coating on the inner surface of a cylindrical envelope. In the valve shown in Fig. 4, heat from the filament 4 is focussed by a reflector 5 on to a ball 3<1> of heat-retaining material on which a coated filament is wound, and a grid 2 is mounted within the reflector and an anode 1. It is suggested that some of the electrons from the cathode are reflected from the reflector to the anode and thus pass twice through the grid. In a modification the reflector 5 acts as the anode. Several cathodes may be energized from a single filament.
Patent GB-903583-A (GB)
Title: Automatic electric regulator
Inventor: KRUML VINCENC
IPC: H02P7/06
Filed: 1959-09-05
Abstract: 903,583. Automatic speed and current control systems; automatic electric regulators. ZAVODY ELEKTROTEPELNYCH ZARINIZENI (ZEZ) NARODNI PODNIK. Sept. 5, 1959, No. 30366/59. Class 38 (4). An automatic regulator for a series motor 1 comprises a vibrating contact 5 co-operating with a fixed contact 6, both contacts being spring-mounted and being adapted, when closed, to short-circuit a resistor 3 in series with the motor. The motor drives a three-phase tachometer generator 15 supplying rectified current to coil 10 on electromagnet 9, having an armature 11 between polepieces 9a. The armature is coupled to the contact 5 through chain 8 for transmitting a pull proportional to the speed of the motor. A non-linear distribution of the flux between the polepieces 9a may be obtained by notches 9b, and the electromagnet may have an additional bias winding 26 adapted for remote control. Alternatively, pre-excitation may be afforded by a permanent magnet. The effect of changes in temperature may be eliminated or increased by making the parts 9 11 of suitable material. In a modification, the motor drives a welding-electrode, and coil 10 is energized in accordance with the welding current, Fig. 2 (not shown).
Patent GB-1221084-A (GB)
Title: A method of manufacturing objects impregnated with a thermosetting ethoxylin resin mixture
Inventor: ANDREASSEN JOSTEIN
IPC: C08G59/62
Filed: 1968-06-26
Abstract: 1,221,084. Curing epoxy resins. ALLMANNA SVENSKA ELEKTRISKA A.B. 26 June, 1968 [29 June, 1967], No. 30441/68. Heading C3B. [Also in Division H1] Epoxy resins are cured with one or more polycarboxylic acid anhydrides using as curing accelerator a reaction product of aluminium isopropylate and an alkylaminoalkylphenol, e.g. a dimethylaminomethyl phenol especially 2,4,6- tris-(dimethylaminomethyl) phenol. Using the composition as an impregnant, e.g. for mica tape used in insulation, the object may be impregnated in two stages. The accelerator is first incorporated into the object prior to impregnation with the mixture of epoxy resin and polycarboxylic acid anhydride.
Patent GB-197907-A (GB)
Title: Measuring machines such as fabric measuring and cost computing machines
IPC: G01B5/04
Filed: 1922-11-07
Abstract: 197,907. Measuregraph Co., (Assignees of Wheeler, J. L.). May 19, 1922, [Convention date]. Measuring.-In a cloth measuring and costing machine having means for preventing over - running when the end of the cloth is reached, such means is withdrawn or reset when the presser roller is moved to permit of the insertion of a new piece of cloth. As shown, over-running is prevented on reaching the end of the cloth 9 by a brake 25 acting with a toggle action on a smooth part of the measuring-roller 8. Normally the end of the brake 25 is just out of contact with the roller, but is lifted into contact by a cam lever 29 connected with a feeler 21 normally resting on the cloth 9. By means of a bell-crank 34 and the tail end of the lever 29, the brake is withdrawn and the feeler lifted when the presser roller 10 is raised. Specification 197,906 is referred to. Reference has been directed by the Comptroller to Specification 200,897.
Patent GB-1356857-A (GB)
Title: Method and apparatus for continuous production of tread strips
IPC: B29D30/52
Filed: 1971-06-30
Abstract: 1356857 Moulding plastic materials VAKUUM VULK HOLDINGS Ltd 30 June 1971 [30 June 1970] 30642/71 Heading B5A Apparatus for the continuous production of tyre tread strip comprises two lines of intercommunicating and abutting open-ended moulds 1 supplied at stations 5 with moulding material, e.g. rubber, and then fed stepwise in opposite directions through a double press 4 comprising a fixed member 8 and movable members 10, 11 which, after each step of the moulds, are urged upwardly by hydraulic means 9 to subject the moulds to a predetermined pressure. Heating elements 7 may be provided and the filling station may comprise a vacuum chamber 17. The moulds are shorter than the press and the distance moved each step is less than the press length so that each mould may be pressed several times. The material in the moulds is separated from contact with the heating elements 7 by non-adhesive belts 19, 21 which also move stepwise. The completed moulded strips are received by drums 16; the empty moulds leaving one press are fed to the input side of the other. Fig. 2 shows consecutive moulds 1 with toothed connector plates 32, 34 at their sides and with inclined end abutment surfaces 36, 37. Each mould may have ribs on its base to provide a tread profile.
Patent GB-535113-A (GB)
Title: Improvements in or relating to electric cables
IPC: H01B11/20
Filed: 1939-11-23
Abstract: 535,113. Cables. PIRELLI-GENERAL CABLE WORKS, Ltd., and SOPER, R. E. S. Nov. 23, 1939, No. 30649. [Class 36] A cable of the type in which a central conductor 1 is arranged within a hollow outer conductor, has one or more of the wires of the latter insulated from the remainder, whereby currents of different frequency can be transmitted. Thus, in Fig. 1, the insulated wires 4, 5 are connected to a transformer winding 6, the other winding of which leads to an audio circuit, whereas the groups 2, 3 of uninsulated wires are paralleled and earthed to one side of a television circuit employing conductor 1 as the other side. In Fig. 2 (not shown), this arrangement is modified by connecting the ends of 6 to groups 2, 3, whereas wires 4, 5 are used for the supply of power to amplifiers, for example. The latter arrangement is also shown in Fig. 4 in which there are four insulated wires 4, 5, 4<1>, 5<1>, and four groups 2, 3, 2<1>, 31, the latter being connected to separate windings 6, 6<1> in the manner shown. The four-group arrangement of Fig. 4 can be modified so that the earthed uninsulated groups form the television return, wires 4, 5 are connected to an audio circuit, and wires 4<1>, 5<1> to an amplifiercircuit, Fig. 3 (not shown).
Patent GB-336420-A (GB)
Title: Combined variable inductance and electric switch for frequency controlling systems
IPC: H04B1/03
Filed: 1929-10-10
Abstract: 336,420. Federal Telegraph Co., and Trogner, A. M. Oct. 10, 1929. Inductances. - A combined variable inductance and switch for use in frequency controlling systems comprises a rotatable inductance 17 having switch blades 18, 19 &c. adjustably secured to it and adapted to co-operate with spring jaw contacts 8<a>, 9<a> &c. adjustably mounted adjacent the blades. The fixed contacts are carried by U-shaped members slidably mounted on conductive strips 7 mounted 120‹ apart on end frames 1. The inductance comprises a strip 17 wound on a cage former carried by a shaft 15 mounted in the end frames and adapted to be oscillated by a handle 16. The end turn may have three blades spaced 90‹ apart adapted to engage alternately with one of three fixed contacts spaced 120‹ apart and connected in parallel to the lead in wires. In a modification the conductive strips are adjustably mounted in the end frames. The end of the inductance may be connected to a fixed point by a spring arm formed in two parts connected at an angle.
Patent GB-793204-A (GB)
Title: Improvements in or relating to rotary impact wrenches and other tools
IPC: B25B21/02
Filed: 1955-10-27
Abstract: 793,204. Screwing-up and unscrewing bolts. THOR POWER TOOL CO. Oct. 27,1955 [Jan. 13, 1955], No. 30753/55. Class 83 (3). [Also in Group XXIII] A rotary impact-tool comprises rotatable hammer and anvil members and impact-means carried by the hammer member and normally engaging the anvil member, cam means disengaging the impact means, including an antifriction bearing-unit with relatively rotatable portions mounted with the axis-of-rotation thereof intersecting the axis-of-rotation of the hammer member at an angle thereto, a cooperating cam-unit having an annular camsurface coacting with the bearing-unit, one of said units being shiftable axially and engageable with the impact means, and means providing a driving connection with the other of the units for imparting rotational movement and thereby effecting disengaging movement of the axially-shiftable unit and the impactmeans when the tool encounters a predetermined resistance to rotation. An electric driving-motor within a first casing 12, Fig. 1, has a reverse button 16 and control-switch 15 and an armature-spindle 17 with gear-teeth 21 extending into a second detachable casing 11. The gear-teeth 21 drive, through epicyclicgears 22, a spider 24 keyed to a shaft 27. The latter carries at its forward end a member 67 keyed thereto, which has an inclined shouldered unit 71 with a face 74 inclined at the same angle boss to take an annular-bearing 62. A camas the bearing 62 is pressed against the latter by a spring 56. The cam-unit is keyed to a hammer-member 39 provided with a pair of circumferential bores, in which slide impactmembers 46, Figs. 1 and 5, to engage, in the position shown, with recesses 48 in an anvilmember 49. Similar recesses 51, Fig. 5, are provided on the opposite side of the anvilmember for the impact-members to engage on reverse rotation of the tool. Operation. The anvil-member 49 is provided with a square end for the attachment of various tools, e.g. a wrench, screw-driver, drill, reamer, polisher, &c. and is rotatably driven by the friction produced between the annular bearing- faces and the cam-unit 71 by the spring 56. When the resistance to rotation overcomes the friction the bearing acts like a swash-plate, and rotates relatively to the cam-unit, at the same time displacing the latter rearwardly together with the hammer. The impact-members 46 are thus withdrawn from engagement with the anvil until the bearing and cam-unit are again at the same inclination.
Patent GB-494539-A (GB)
Title: Improvements in fuel injecting pumps for internal combustion engines
IPC: F02M59/10
Filed: 1937-11-10
Abstract: 494,539. Fuel injectors. TUSCHER, J. E. Nov. 10, 1937, No. 30849. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 14, 1938.] [Class 7 (iii)] [Also in Group XXVIII] A fuel-injection pump comprises a piston 3 exposed to the pressure of the gases in the engine cylinder and bored to co-operate with a fixed plunger 4 to form a pump chamber 7. The injection orifices 6 are controlled by a valve 5 carried by a member loaded by a spring A. Suction takes place through pipe 11, channel 8, and valve 9, and pressure acting on the piston 3 builds up pressure in the chamber 7 until the spring A is overcome and the valve 5 is lifted. The piston rises until the spring B comes into action and the injection is completed. Variations in the loading of the springs A and B cause variations of the time, pressure, and amount of the injection. The height of the chamber 7 is made small so as to occupy the most reduced space possible so that the frequency of the pressure waves set up in the chamber, on closing the inlet, are sufficiently high to have no effect on the valve 5. The valve 9 may be replaced by ports in the valve 5 controlled by the end of the plunger 4. In a modification, the valve 5 is attached to a sleeve surrounding the fixed plunger. The springs A and B may be adjusted by the same member. In a modification, both springs A and B act on the piston 3 and a separate injection valve is provided. In a further modification, the piston 3 is connected to the pump cylinder through lost motion and movement of the piston is stopped by abutments.
Patent GB-761994-A (GB)
Title: Improvements in or relating to circular knitting machines
Inventor: BURDETT HENRY SIDNEY
IPC: D04B9/10
Filed: 1953-11-10
Abstract: 761,994. Knitting-machines. STIBBE & CO., Ltd., G. Nov. 1, 1954 [Nov. 10, 1953], No. 31111/53. Class 74 (2). The picker mechanism 47, 48, 49 of a circular machine is disposed at a lower level with respect to the normal stitch cams 13 ... 15 with which it co-operates so as to operate on butts 39 provided on the needles or sliders and which butts are spaced axially from the normal knitting and transfer butts 37, 38. The invention is described in connection with a superposed cylinder machine having three feeders F, F1, F2, the auxiliary feeders F<SP>1</SP>, F<SP>2</SP> being rendered inoperative during reciprocatory knitting and during which the pickers mechanism is normally operative. The stitch cams 13, 14, 21, 25 at each feeder may be simultaneously adjusted for effecting quality, by linkage which is connected to an annular ring in the bed plate of the machine which can be rotated and controlled from the main control drum. Specification 563,905 is referred to.
Patent GB-332145-A (GB)
Title: Improvements in bottle-capping machines
IPC: B67B1/10
Filed: 1929-10-14
Abstract: 332,145. Swift, G. W. Nov. 16, 1928, [Convention date]. Capsules, applying; stoppering.-The capfeeding mechanism in a bottle capping machine comprises a feed table 13 with a hopper 9 secured thereon having a downwardly directed discharge outlet spaced from the table, a slide 22 reciprocable under the hopper, cap retaining levers 59 which are held in the cap holding position by a spring 67, and cams 66 which move the levers into the cap-releasing position. The levers have cam-arms 61 which co-operate with the axially-movable segmental cams 66 in releasing or retaining the caps. Claws 60 at the lower ends of the levers 59 project into the hopper. The cams are operated by reciprocation of the table 13 relatively to a stationary bracket 43. A suction opening 18 is provided in the table which communicates with a port 31 in the slide 22, for holding a cap separated from the stack by suction. The cap is removed from the slide by a depending rod 71 as the slide retracts, and drops into the path of the slide over the opening 18, to be carried at the forward movement to the cap applying opening 14. Specification 276,724 and U.S. Specification 1,753,449 are referred to.
Patent GB-362096-A (GB)
Title: Improvements in two stroke cycle twin-cylinder engines
IPC: F02B75/18
Filed: 1930-10-18
Abstract: 362,096. Two-stroke engines. DEHN, F. B., 103, Kingsway, London.-(Wichita Blue Streak Motors Co.; 529, West Douglas Avenue, Wichita, Kansas, U.S.A.) Oct. 18, 1930, No. 31290. [Class 7 (ii).] In a twin cylinder engine wherein the pistons have a common connecting rod 16, an eccentric bushing 19 is used on the gudgeon on one-the smaller - piston to receive the small end of the rod.
Patent GB-1016842-A (GB)
Title: Mounting arrangements for printed circuit boards
Inventor: ROGERSON LESLIE CHARLES
IPC: H05K7/16
Filed: 1962-08-15
Abstract: 1,016,842. Mounting electrical equipment. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Aug. 7, 1963 [Aug. 15, 1962], No. 31323/62. Heading H1R. Printed-circuit boards are mounted in parallel planes on support members which are pivoted on a common axle extending transverse to the planes of the boards, thus permitting each support member and its board to be pivotally displaced about the axle axis, alone or with others, between a normal position in which all the boards lie side by side, and a position in which the displaced boards lie clear of the rest. As shown. Fig. 1, printed circuit boards 1 are mounted on L-shaped members 6, being attached, as by screws 11, to the longer, angle-section arms 7 of members 6, while the shorter arms have circular holes therein to accommodate an axle 14. Axle 14 is journalled in bearings 13 in spaced vertical members 12a, 12b forming part of a main framework. A subframe 15 is also pivotally supported on axle 14, and is located by stop members 24 on the main frame in such position that horizontal member 17 supports members 6 and the associated boards 1 in their normal position. A similarly pivoted guard frame 19, lies against members 6 in their normal position, as shown to the right in Fig. 1, but is pivoted downwards to support members 6 in their displaced position, as shown to the left in Fig. 1. Member 21 may have suitable clamps (not shown) for securing members 6 in the displaced position. Wiring tags 2 at the near edges of the boards 1 are connected in external circuits by flexible leads 4 which are looped around the axle 14. Inter-board connections may be made between tags (not shown) at the far edges of the boards, and a group of interconnected boards may be secured together by a strap 26 joining their support members 6. Boards 1 are spaced along axle 14 by collars 23 between members 6. In a modification (Fig. 5, not shown) the pivoted arms of members 6 are formed of two parts, 27, 28, having notches 29 which together form the round hole for accommodating the axle 14. Spacing collars 23 are formed by spring clips. The pivoted arms may be fitted with lugs 30 to which the flexible leads may be secured, and arms 7, which may be of square section, may be fitted at their free ends with captive screws for securing them to the sub-frame when in the normal position.
Patent GB-311639-A (GB)
Title: Process and device for the removal of dust from air, gas, and other elastic fluids
IPC: B01D45/08
Filed: 1928-10-29
Abstract: 311,639. Schol, C. H. Oct. 29, 1928. Dust collectors. - A stream of dust laden air is passed through a central chimney, and whirls set up by inwardly projecting plates cause the dust to be deposited ; it can then be led away to storage pockets. Air enters the chimney through the pipe a and passes i pwards between the edges of the planes c. The whirling set up causes the dust to be deposited on these, and it is led away by the pipes f, l, o, to the storage bins g, m, p, outside the chimney. The dust can thus be graded, the lighter and finer particles being carried farther and so being deposited in the outer bins p. The edges of the planes e may be flat, bent, or provided with brush like brims, and the planes may be provided with vibratory appliances.