baber/WOPTO huggingface dataset:
Patent GB-626463-A (GB)
Title: Improvements in electric heating devices
IPC: F24C7/04
Filed: 1946-05-13
Abstract: 626,463. Electric radiators. ALADDIN INDUSTRIES, Ltd., and HEBARD, H. C. May 13, 1946, No. 14419. [Class 39(iii)] In an electric radiator or other heating device a small heating element 8 capable of being heated to a high temperature is used to heat a larger area uniformly at a lower temperature by arranging it between and in close heat conducting relationship with components 1, 2 of greater area and high conductivity, these components being covered except for a border around the edges of one or more of the components, by sheets 12, 14 of heat insulating material. In one example (Fig. 2) the heating element 8 is located between a pair of aluminium or like plates of slightly curved form and one of the plates (1) has a backing 12 of insulating material. A number of smaller metal sheets 13, 15 are secured in parallel relation with the plate 2, and sheets 14, 16 of insulating material such as asbestos separate the metal sheets from each other. The rear plate 1 is formed or provided with a casing 11 which accommodates an asbestos sheet 9 backed by a plate 10 of metal such as iron. The assembly of plates is held together by pairs of bolts 24 and nuts 27. The plates 1, 2 are secured to base members 3, side members 4 and a front casing 5 also of sheet metal. Struts 6 connect the casing 5 with the upper part of the plate 2. In another example (Fig. 4) radiation takes place equally from both sides, the heating element 17 being clamped between two metal sheets 18 supported on a base 23. Insulating sheets 19, 21 and metal sheets 20, 22 are arranged alternately as shown, the components being clamped together by bolts as in the first example.
Patent GB-1214058-A (GB)
Title: Horticultural crop growing machine
Inventor: BRADSHAW ROWLAND AQUILA
IPC: A01B51/02
Filed: 1968-03-26
Abstract: 1,214,058. Horticultural crop growing combine; treating plants. R. A. BRADSHAW, S. M. BRADSHAW, C. A. BRADSHAW, R. V. HUGHES, and M. M. GOLDING. 13 March, 1969 [26 March, 1968], No.14458/68. Headings A1B and A1E. [Also in Division E1] A combine horticultural crop growing machine provides simultaneous cultivation of hardy crops in the ground and frail crops under initial protection on the machine and comprises a frame 1 supported on wheels 2, which run on a ground track 4, and driven by toothed wheels 11 which engage a rack in the track, the frame 1 supporting transverse rails (15), Fig. 4 (not shown), on which runs a platform 17 carrying a plurality of ground cultivating implements, the machine having covered conveyer belts 37 on which seeds are sown in compost and eventually planted in the ground. The machine advance and movement of the platform, belt and compost cutter 48 may be co-ordinated by electrical switching associated with a ground engaging wheel 50. Ground cultivating implements such as a humus spreader (22), rotary cultivator (26) and seed and fertilizer distributer (23) may be attached to the moving platform. Frail crops are planted by seed sowers 36 in compost on the covered sloping conveyer belts 37 which gradually transport the growing seedlings to the ground planting devices 47 and compost cutters 48. Water pumped from a trough (7), Fig. 6 (not shown), in the track may be sprayed on to the seedlings, being controlled by a humidity device and belt movement. Thermostatically controlled heating may be applied under the covers 45. A framework 51 behind the machine supports covers (53), Fig. 10 (not shown), over each row of seedlings after they have been planted in the ground, to facilitate fumigation and watering. Operators and pickers may shelter under tunnels 62 and grading, packing and cultivating devices such as the hoeing device (54), Fig. 12 (not shown), may be secured to this frame.
Patent GB-588709-A (GB)
Title: Improvements in position-control systems
IPC: G05D3/12
Filed: 1943-09-03
Abstract: 588,709. Electric control systems. SPERRY GYROSCOPE CO., Inc. Sept. 3, 1943, No. 14459. Convention date, Sept. 3, 1942. [Class 40 (i)] In a positional control system in which the operation of a servomotor driving a controlled object in accordance with the movements of a controlling object is dependent on the relative displacement of the objects and on their respective velocities, provision is made for varying either or both of the velocity components of the controlling quantity. As shown in Fig. 1, a hand crank 1<1> geared to a telescope 1 also drives the rotor, 5 of a selsyn transmitter T and thus produces in the rotor winding 11 of the selsyn receiver B a voltage which, after amplification supplies current to the servomotor 27 to drive a gun 28 as well as the rotor 11. The velocity components are introduced by a pair of speed-responsive generators 31, 33. One generator 31 may be driven directly from the telescope but preferably a selsyn drive from the transmitter T is employed, and an output voltage proportional to the speed of the rotor 30 is taken from one field winding 35, the other .field winding 37 being fed from the A.C. supply. The other generator 33 is driven by the servomotor 27 and the field winding 35<1> is connected so that its output opposes that from the generator 31, the windings 35, 35<1> being connected in series with the rotor winding 11. In order to alter the velocity component introduced by the generator 31, a rheostat 49 is provided for varying the voltage applied to the field winding 37, and by suitable adjustment, the gun may be caused to lag behind or lead the telescope by any desired angle. In Fig. 2, the velocity components are introduced by means of a differential torque motor C, of which the stator windings 57, 58, 59 are energized from the selsyn transmitter T through rectifiers D biassed from the A.C. supply, so that a field is set up which rotates at the same speed as the telescope 1. The stator 63, however, is physically rotated in the opposite direction by a drive from the servomotor 27 and, therefore, the movement of the rotor 61, which is coupled to that stator 9 of the selsyn receiver B through a pin-and-slot coupling 77 and is biassed to a central position by springs 7<1>, depends jointly on the velocities of the telescope 1 and the gun 28. The drive to the stator 63 includes a variable speed gear comprising a cone 83 and roller 84 which may be adjusted by a handle 47<1>. Specification 417,995, [Group XL], is referred to. According to the Specification as open to inspection under Sect. 91, in place of the variable speed gear, the pin-andslot coupling 77 may be made adjustable, in which case the telescope 1 and gun 28 are arranged to operate the torque motor at different fixed speeds. This subject-matter does not appear in the Specification as accepted.
Patent GB-643000-A (GB)
Title: Improvements in the preparation of biguanide derivatives
IPC: C07C279/26
Filed: 1948-05-28
Abstract: N1-p-Chlorophenyl-N5-isopropylbiguanide is manufactured by condensing p-chlorophenylthiourea with isopropylguanidine in the presence of a desulphurizing agent and in a hot, nonpolar, high boiling solvent medium, preferably at the boiling point of the solvent.  Examples describe the use of yellow mercuric oxide and of Raney nickel as desulphurizing agents, and of anisole as solvent.  Other solvents specified are xylene, toluene and di-n-butyl ether.  Specification 603,070 is referred to.  p-Chlorophenylthiourea is obtainable by the action of ammonium sulphocyanide on p-chloraniline.
Patent GB-146108-A (GB)
Abstract: 146,108. McKenna, P. M. Aug. 11, 1916, [Convention date]. Alloys.-Impurities, such as sulphur, phosphorus, and carbon, in ferro-tungsten alloys are wholly or partly removed by subjecting the finelydivided alloy to the action of an acid, preferably hydrochloric acid of commercial specific-gravity, washing with water, and drying. The process results in the elimination of the sulphur and a material reduction in the phosphorus and carbon contents without appreciably changing the metallic condition of the iron-tungsten alloy.
Patent GB-361268-A (GB)
Title: Improvements in and relating to non-metallic gear wheels and the like
Filed: 1931-05-18
Abstract: 361,268. Gear wheels &c. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Mansur, C. W. ; 32, Spruce Street, Malden, Middlesex, Massachusetts, U.S.A.) May 18, 1931, No. 14633. Convention date, May 21, 1930. [Class 80 (i).] Gear wheels and the like made from unwoven cotton, woven cloth, or other non-metallic material, and an adhesive binder such as a phenolic condensation product have their webs 2 strengthened by radially extending offset portions 5, preferably staggered on opposite sides of the web. A metal bush may be fitted in the central opening 4.
Patent GB-912928-A (GB)
Title: Carton set-up mechanism
IPC: B31B5/80
Filed: 1961-04-24
Abstract: 912,928. Feeding carton blanks. FMC CORPORATION. April 24, 1961 [April 27, 1960], No. 14698/61. Class 100 (1). [Also in Group XVII] A mechanism of the type described in Specification 865,897, for feeding and setting up flat folded cartons C comprises a conveyer D carrying lugs 14 for advancing the carton C; plates 92 adjacent each side of the conveyer for supporting the carton by its extended end flaps; a carton unfolding cam E, adjacent the forward end of the conveyer D, and carrying a lug 66; and means for driving the cam in timed relation to the speed of the conveyer D. Flat-folded cartons C fed from a stack A by a suction device B are advanced by the lugs 14 towards a second conveyer F, synchronized with the first, where it engages a stop 76 thereon. As the conveyers advance further the lugs 14 leave the carton and the lugs 66 on cams E engage its trailing edge. Simultaneously a thin flat blade 80 is inserted between the walls of the flat carton to initiate the unfolding action. Cams E moving with a greater peripheral speed than the linear speed of the conveyers continue the unfolding action. The erection is completed when the next stop 78 on the conveyer F engages the rear face of the carton.
Patent GB-689536-A (GB)
Title: Track roller
IPC: B61D11/00
Filed: 1951-06-21
Abstract: 689,536. Endless track vehicles. CATERPILLAR TRACTOR CO. June 21, 1951 [April 3, 1951 ], No. 14737/51. Class 79 (i) A track roller comprises a cylindrical hub 10 having an enlargement 23 intermediate its ends which is engaged by interior enlargements of a pair of rims 11 carried by the hub, means 24 securing the rims against endwise displacement. The hub 10 is made of cast iron and the enlargement 23 is a centrally positioned circumscribing rib. The rims 23 are made of forged steel, they are pressed and shrunk onto the hub and are welded together as indicated at 24. The hub is supported on a spindle 12 by bearings 13 positioned by bushes 14 which are bolted to the hub. The bearings are protected by dust seals 21 contained in cups 22 which are bolted to the spindle 12.
Patent GB-108774-A (GB)
Title: Improvements in Hay, Straw, and like Presses.
Inventor: LIVENS FREDERICK HOWARD
IPC: A01F15/10
Filed: 1916-10-18
Abstract: 108,774. Livens, F. H., and Kirby, G. C. Oct. 18, 1916. Baling-presses.-Presses of the kind in which the hay &c. is fed into a rectangular chamber and compressed into bales which are forced through the opposite end of the chamber, are provided with apparatus for loosening the hay &c. during the feeding operation. The loosening-apparatus comprises a number of long boxes a with their tops formed of cross laths d, placed side by side, and arranged in an inclined position, the upper ends being mounted on a multiple-throw crank-shaft g and the lower ends carried by rocking-levers k. The boxes may have tines or forks e.
Patent GB-203754-A (GB)
Title: Improved means of repairing the outer covers of pneumatic tyres
IPC: B29C73/06
Filed: 1923-02-24
Abstract: 203,754. Parker, J. Feb. 24, 1923. Puncture-closing and repair devices. -Repair patches for the outer covers of pneumatic tyres comprise separate interior and exterior patches riveted through the cover. A piece of vulcanized canvas or other adhesive material is provided inside the cover and thin metal plates are used on one or both sides of the cover to prevent the rivet heads from pulling through the soft material.
Patent GB-333531-A (GB)
Title: Improvements in or relating to conveyor means for handling small bags or packets
IPC: B65G37/00
Filed: 1929-05-13
Abstract: 333,531. Brooke, Bond, India, Ltd., and Wood, C. May 13, 1929. Auxiliary belts.-In an endless belt conveyer for transporting bags, &c. of the kind having a pair of belts travelling together and parallel to each other which are pressed together by pressing devices carrying rollers adapted to bear on each belt and arranged in staggered relation, the belts 1 are adapted to travel horizontally with their surfaces vertical and the pressing devices 9 are inclined to the direction of travel of the belts. Each pressing device comprises a double-armed pivoted lever 9, one arm of which is forked and carries a roller 10 and the other arm of which is acted on by a spring 16.
Patent GB-178027-A (GB)
Title: Improvements in tyres
IPC: B60C7/22
Filed: 1921-05-28
Abstract: 178,027. Blackburn, J. H. May 28, 1921. Jackets and covers; non-metallic elastic bodies and cores.-A solid or pneumatic tyre is built up of alternating layers of rubber and wide open mesh textile fabric A, in which, to retain the shape of the mesh a under varying stresses, the threads are interlocked as shown in Fig. 1. The rubber penetrates the meshes a to form a homogeneous rubber mass. In the case of a pneumatic tyre a canvas foundation is used.
Patent GB-479117-A (GB)
Title: Improvements in and relating to collars and cuffs for personal wear
IPC: A41B3/10
Filed: 1936-05-27
Abstract: 479,117. Stiffening collars and cuffs. SHEPHERD. T. L. May 27, 1936, No. 15011. [Class 141] Collars or cuffs comprise an interlining or backing which consists of one or more layers of material of substantially the same area as the collar top or band or both, or substantially the same area as the corresponding part or parts of the cuff, which has or have been stiffened or stiffened and united together by treatment with a cellulosic solution or a cellulose derivative solution, the interlining or backing being superficially free from the outer facing or facings of the collar or cuff except at the edges thereof where it is secured thereto by sewing or otherwise. The stiffened backing may be formed from a blank or sheet upon which one or a number of fold lines is or are imprinted with a solution which renders the fabric or fabrics less permeable at the printed line or lines to the stiffening solution used. In a modification, and in the case of collars, the backing or interlining may be placed contiguous to or inserted between facing material which has itself been suitably stiffened.
Patent GB-472712-A (GB)
Title: Improvements in or relating to radio receivers
IPC: H03F1/36
Filed: 1936-05-28
Abstract: 472,712. Audio - frequency transformers. COLE, Ltd., E. K., and BRADFIELD, G. May 28, 1936, No. 15037. Drawings to Specification. [Class 38 (ii)] [Also in Group XL] An audio-frequency output transformer, the primary of which is switched to match a valve to its load is provided with four windings. The innermost winding is part of the primary, next a winding for giving negative feed back, and then the secondary is provided with the remainder of the primary wound overall.
Patent GB-420231-A (GB)
Title: Improvements in or relating to ignition devices for mercury vapour electric converters
IPC: H01J13/48
Filed: 1933-05-24
Abstract: 420,231. Mercury-vapour rectifiers. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and GALLIZIA, E., c/o General Electric Co., Witton, Birming- ham. May 24, 1933, No. 15043. [Class 39 (i)] An ignition device for mercury-vapour arc converters comprises an auxiliary electrode arranged above and extending through an insulator projecting upwardly through the cathode pool and having an annular depending flange which is adapted to extend into mercury contained in an annular depression in a movable sleeve surrounding the insulator, the movable member being adapted to draw an arc between the auxiliary electrode and the cathode. The ignition electrode also acts as an excitation anode. In the arrangement shown the stem 11 carries an auxiliary electrode 12 of molybdenum, tungsten, iron or graphite, and is insulated from the cathode by a porcelain insulator 13. Sealing is obtained by means of a flange 14 and rubber seals 25, and a clamping ring 6 and insulator 15 secure the electrode to the cathode pot. The movable member 22 surrounding the stem 11 has a gutter 23 containing mercury into which the flange 12 dips when the member is floating in the cathode pool. A solenoid 19 enables the member to be retracted and to draw the arc from the auxiliary electrode to the cathode. Alternatively the movable member may be normally immersed in the cathode pool by a spring, and adapted to be raised by the solenoid into contact with the fixed member, the arc being struck when the solenoid is deenergized. In a modification applicable to glass bulb rectifiers, a stud, sealed through the top of a re-entrant tube projecting through the cathode pool, supports an auxiliary electrode with a depending flange which dips into a gutter in a movable member similar to 22 in Fig. 2. The magnetic field of the solenoid causes the auxiliary are to rotate and to bow outwardly during operation to prevent damage to the central insulator 13, which may be provided with a protective covering. The continuous-current supply for the ignition circuit mav be obtained from metal-oxide or hot cathode rectifiers or a three-phase glass bulb mercury rectifier, the solenoid acting preferably as a series smoothing choke.
Patent GB-1044034-A (GB)
Title: A method of and apparatus for the manufacture of woven sliding clasp fasteners
IPC: B29D5/04
Filed: 1963-04-17
Abstract: 1, 044, 034. Zip fasteners. NOVI PATENTVERWERTUNGS G.m.b.H. April 17, 1963 [April 26, 1962; June 20, 1962], No. 15061/63. Headings D1E and D1K. [Also in Divisions B5 and E2] In a zip fastener having a monofil woven into and projecting from the edge of the stringer to constitute the fastener elements, interlocking surfaces are produced on the monofil during weaving. As shown in Fig. 2, pins 7 mounted in the form of a comb are inserted between the last few projecting loops 2, between the edge of the tape and a fixed guide wire 9, so that indentations 10, 11 are produced in the limits of the loops by the bent-up reed, the blades 6a of which stand proud of the remaining blades 6; or the blades 6a may form a reed separate from the beat-up reed. The monofils may be softened by heat or chemicals. Instead of pins 7 passing through the fastener to act on both limbs of each loop, two short sets of pins may be inserted from above and below; in this case, the pins may be rectangular so as to flatten all the parts of the loops lying above and below the wire 9, only the parts of the monofil curving round the wire being left at its original diameter.
Patent GB-1509344-A (GB)
Title: Assembly of an integrated circuit chip and printed circuit board
IPC: G06F15/02
Filed: 1976-04-13
Abstract: 1509344 Printed circuits for integrated circuit chips NATIONAL SEMICONDUCTOR CORP 13 April 1976 [14 April 1975] 15083/76 Heading H1R A printed circuit assembly for an integrated circuit chip comprises a board having conductive traces and at least one conductive pad thereon, an integrated circuit chip mounted on the pad, conductive members connecting at least some traces to bonding terminals of the chip, and an epoxy resin encapsulation mounted on the chip to surround the conductive members and the surfaces of the chip; the resin having a temperature coefficient of expansion equivalent to that of the conductive members. In an electronic calculator (Fig. 1, not shown) comprising a housing, a keyboard, and a window exposing a LED display, the latter is mounted (Fig. 2, not shown) on a printed circuit board 22 and connected over traces 24 to an integrated circuit driver electronic chip 26 (Fig. 3). A logic unit integrated circuit chip is connected thereto over other traces 24 and to a connector 30 of the printed circuit board, which is connected over flexes 32 to the keyboard. Chip 26 is mounted on pad 34 and chip 28 on pad 36; the pads and the traces 24 being formed by plating board 22 which is of, e.g. GRP. The chips are connected (Fig. 5) over respective thin wires 38 to the traces 24 from bonding terminals thereof, and a cured epoxy resin encapsulation 40 encloses the wires 38 and the chip surfaces. The wires are of, e.g. aluminium for ultrasonic bonding at low temperature, and the epoxy resin has a temperature coefficient of expansion equivalent to that of the wires. The resin may be compounded of an aliphatic, e.g. cycloaliphatic poly epoxide, a dicarboxylic acid anhydride, a catalyst, and a fused silica powder surface treated with silazane. The keyboard may be formed in part from another printed circuit board, and the flexes may be eliminated by extending the circuit board to form part of the keyboard. The package is applicable to other electronic devices.
Patent GB-329829-A (GB)
Title: Improvements in and connected with devices for preventing skidding of motor and like vehicle wheels
IPC: B60C27/06
Filed: 1929-05-14
Abstract: 329,829. Allman, E. J., and Hilton, T. H. May 14, 1929. Tread surfaces.-Tyre gaiters are attached by hooked members engaging a fixed abutment at one side of the wheel rim and tensioning devices engaging a bracket attached at the other side of the rim. In the form shown in Figs. 1 and 2, the gaiter consists of a metal plate 3 with tread projections 3a fitted at one edge with a plate 7 which is adjustably connected to a hook 6 adapted to engage a lug 4 on the rim. The opposite edge of the gaiter is connected by hooks 16 to L-shaped links 17 which are adapted to engage ratchet-teeth 2 on the flanged end 1<b> of a bracket 1 secured to the rim. The inner ends of the links 17 are connected by an arm 18 pivoted to one of the links and notched to engage a pin 19 on the other link, the parts being locked by a sliding sleeve 20. In the modification shown in Fig. 7, the links 17 are replaced by collars 31 fitted over the divergent arms 1<c> of the bracket-flange 1<b>. The gaiter may consist of transverse chains, or, as shown in Fig. 9, of chains 29 and a plate 30. For use on metal tyres, the gaiter may be fitted with a rubber lining. Fig 10 shows a tool for assembling the gaiter comprising a lever 26 having a nose 26<a> to engage a notch 26b in the flange 1<b>, and a pivoted hook 25 to engage a hole 25b in the plate 8.