baber/WOPTO huggingface dataset:
Patent GB-1190128-A (GB)
Title: Improvements relating to the Manufacture of Stacked Printed Circuit Boards
Inventor: DAHLGREN VICTOR FRITZ
IPC: H05K3/46
Filed: 1968-08-06
Abstract: 1,190,128. Printed circuits. ELECTROMECHANISMS Inc. 6 Aug., 1968, No. 37482/68. Heading H1R. In a stacked printed circuit assembly comprising a plurality of flexible circuit layers 10, 11, 12 interposed between and connected selectively with a plurality of rigid circuit boards 13 and 14, 14 and 15, and 15 and 16, the flexible circuit layers extend from the stack and the extended portions 10a-12a are provided with terminals 26a-28a. The flexible circuit layers 10, 11, 12 are transparent and are formed by bonding or cementing by heat and pressure a plastics material sheet to the exposed surfaces of a printed circuit having foillike conductors formed by etching on another layer of plastic, the circuit conductors being encapsulated in the layers of plastic. The rigid circuit boards 13, 14, 15 and 16 are formed in a similar manner except that the plastic layers are reinforced with a glass fibre fabric. Since the rigid boards act as insulators the flexible circuit layers 10, 11, 12 require cover layers of plastic only in their extended portions 10a-12a. Terminals 26a-27a in the form of copper eyelets having flanges 30 are provided at the ends of the conductors in the flexible circuit layers, the surface of the copper eyelets and the underside of the flange being provided with a coating of a silver brazing alloy which on the application of heat brazes the eyelets to the conductors. Terminals 32 in the form of eyelets extend through each of the superposed flexible and rigid circuits to engage the conductors of the various layers. Component leads are connected to the eyelets. The flexible circuit layers need not be interposed between the rigid cables in the stack.
Patent GB-505889-A (GB)
Title: Improvements in or relating to corn reaping machines
IPC: A01D37/00
Filed: 1938-12-28
Abstract: 505,889. Harvesting and thrashing machines. WORTMANN, W. Dec. 28, 1938, No. 37669. [Classes 6 (iii) and 58] A combined reaping and thrashing machine 1 is provided with a motor 2 driving a direct current dynamo 3 and a three-phase current generator 4 which supplies current to an electric motor driving a reaping device 7, preferably a rotary knife, for the ears of grain and another electric motor actuating a thrashing device ; another electric motor 6, preferably direct current, drives the main wheels of the machines. A binder may be drawn behind the combined machine and driven by another motor. A plough or cultivator may be drawn behind the machine 1 and also a sowing apparatus. In a modification, the machine is drawn by animals or by a tractor.
Patent GB-799863-A (GB)
Title: Thread tensioning mechanism for textile machines
IPC: B65H59/16
Filed: 1954-12-31
Abstract: 799,863. Thread tension regulating means. MASCHINENFABRIK SCHWEITER AKT.-GES. Dec. 31, 1954 [Jan. 15, 1954] No. 37772/54. Class 120(2) A thread tensioning mechanism having not less than two thread tensioning devices arranged in series, the tensioning action of the devices being controlled by a common spring biased pressure plate, is characterized in that a thread feeler is arranged between the feed tensioning device and the delivery tensioning device which feeler causes the pressure created by the spring biased plate to be relieved when the thread tension increases In the arrangement shown a housing 1 is provided with two bearing brackets 2 in which bolts 3 supporting tensioning discs 4 and 5 are inserted. The outer discs 5 are loaded by means of a pressure distributer plate 7 via caps 6, the plate 7 being loaded by a spring 15 acting upon a bolt 10. The force exerted by the spring is adjustable by means of a rotatable knob 16. Between the two pairs of tensioning discs the thread passes over a feeler 22 pivoted at 21 and carrying a bar 23 which bears upon the plate 7 with a crank action such that increase in the tension of the thread will cause the pressure exerted on the discs 4, 5 by plate 7 to be relieved thus decreasing the tensioning effect of the discs on the thread and maintaining the tension substantially constant. The loading point and the relieving point on the plate 7 are arranged off centre so that the delivery discs are biased the more strongly and are relieved of pressure to a greater degree than the feed discs.
Patent GB-873856-A (GB)
Title: Mounting arrangements for electric instruments or relays
Inventor: BECKLEY JOHN DAVID
IPC: G01R1/20
Filed: 1958-11-26
Abstract: 873,856. Switchboards; mechanical switches, without quick action. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Nov. 19, 1959 [Nov. 26, 1958], No. 38187/58. Class 38 (5). [Also in Group XXXVI] A mounting frame for an electric instrument comprises a base 1 to which is removably secured a frame 4 carrying the instrument block 3 and having spacers 5 and two guide tubes 7 engaging pillars 6 on the base 1, members 10, 11 of a plug device, carried respectively by members 1, 4, contacting when frame 4 is secured in position. Member 10 is connected to spring contacts 24, 25 mounted on an insulating bar 20 which, with a second bar 20 carrying similar contacts 22, 23 connected to external terminals 26, is supported by uprights 2 on the base 1. The circuit between members 10, 26 is normally closed by contacts 27 carried by an insulating bar 21 supported at each end by a plate 19 slidable on the upright 2 and pivoted at 29 to a handle 28, rotation of the latter in the circuit-closed position being prevented by the engagement of handle notches 30 with shoulders 31 on the uprights 2. To test the instrument, the cover (not shown) of the base 1 is removed and the handle 28 is lifted thereby disconnecting members 10, 26 and disengaging members 30, 31, subsequent rotation of the handle 28 allowing the plug of the test equipment to be inserted between contacts 24, 25. Upward movement of the plates 19 rotates bell-crank levers 15 whose projections 18 slide locking members 12 towards the uprights 2, thereby moving tabs 13 which normally engage the frame 4 into alignment with notches 14, and allowing removal of members 3, 4 if desired. During such removal a spring-urged bar 32 normally depressed by the frame 4 engages a notch 33 in the member 12 to prevent actuation of members 15, 19 by the handle 28. Various circuit arrangements of the contacts 22 . . . 25, 27 for the normal and test positions are described, Figs. 1 to 4 (not shown).
Patent GB-855910-A (GB)
Title: Improved method of recording changes in a variable quantity
IPC: G01D5/12
Filed: 1956-12-14
Abstract: 855,910. Magnetic recording &c. apparatus. DE NEERGAARD, L. E. Dec. 14, 1956 [Dec. 16, 1955], No. 38235/56. Class 40 (2). [Also in Group XIX]  A phase-modulated pulse-train, representing a physical variable, is recorded on a wide magnetic tape 1 by the gap 8 of a magnetic head 2, the trace being restricted to those parts of the width of the tape presently opposite the grooves of a threaded paramagnetic member 11 mounted opposite the gap 8 and driven at a constant speed related integrally to the pulse repetition frequency. As the tape travels past the gap 8, successive pulses produce line traces 26, 27 which will be parallel to the direction of travel of the tape when the pulse train is in steady phase relation with that of the reference frequency driving the member 11 or will drift as at 30, 31 as the phase lags or leads. A single member 11 may be associated with a plurality of heads in a multi-channel recorder. Specification 781,281 is referred to.
Patent GB-1455377-A (GB)
Title: Dismantlable visual display systems
IPC: G03B21/00
Filed: 1974-09-02
Abstract: 1455377 Projection apparatus; projection screens IPC BUSINESS PRESS Ltd 2 Sept 1974 38251/74 Headings G2J and G2X A dismantlable display unit comprises boxes 2, 3,4 each containing a projector 5, 6, 7 and a alignable to form a single unit, the boxes having screen sections S arranged to abut to form a continuous screen and the side walls of the boxes being cut away at X to allow the beam from each projector to fill its associated screen. Optionally the projected images overlap at their edges. Strips of Formica (RTM) may be located in the cut-aways X the strips being thin enough to transmit the projection beams.
Patent GB-922643-A (GB)
Title: An improved high-pressure seal
IPC: F16J15/32
Filed: 1961-10-26
Abstract: 922,643. Stuffing-box substitutes. FICHTEL & SACHS A.G. Oct. 26, 1961 [Nov. 3, 1960], No. 38430/61. Class 122 (5). A high-pressure seal is provided between two relatively reciprocating parts 1, 3 by means of a thin packing ring 5 which is urged by the pressure fluid 4 to be sealed into bearing engagement with a conical surface formed on one of the parts adjacent the gap between these parts and bears by way of an edge against a sealing surface on the other part. The parts 1, 3 constitute the piston-rod and cover of an hydraulic, hydropneumatic or pneumatic damper cylinder 2. The ring 5 is of resilient abrasion-resistant material and is less than 2 mm. thick. When dismantled the ring may be flat with a circular bore. In use the surface of the bore is deformed under the action of fluid pressure so as to engage the rod 1 by its edge adjacent the pressure fluid. Alternatively, the ring may be formed with a conical end surface and a conical bore. At its outer periphery the ring may be formed with a thickened axially directed portion for location of the ring between the cover 3 and an internal shoulder on the cylinder wall. The inner and outer periphery of the ring may be circular or non-circular depending on the crosssectional shape of the parts 1, 3.
Patent GB-1010232-A (GB)
Title: Water-soluble disazo dyes containing reactive acylamino groups
Inventor: ISCHER HANS
IPC: C09B62/475
Filed: 1961-10-27
Abstract: The invention comprises reactive disazo dyes which contain sulphonic and/or carboxylic acid groups and have the formula <FORM:1010232/C4-C5/1> wherein A represents the radical of a coupling component coupled in a position adjacent to a hydroxy group or an amino group, the latter of which may be substituted, B a diphenyl radical which may be substituted, with the exception of the radical 3,31-dimethyl-1,11-diphenyl-6,61-disulphonic acid, bound in the positions 4, 41, D is a halogenated saturated aliphatic carboxylic acyl radical or a halogenated or unhalogenated unsaturated aliphatic carboxylic acyl radical and the nucleus C may be further substituted. The dyes are prepared by acylating an appropriate amino disazo dye to introduce the group D or by coupling the diazo compound of an appropriate amino azo compound containing the group -NH-D with a coupling component coupling in a position adjacent to a hydroxy of amino group. Among the many products specifically described are dyes of the given general formula in which A is 1-hydroxy-3,6-disulpho-2-naphthyl, B is derived from 2,21-dimethyl-1,1-diphenyl-5-sulphonic acid, C is derived from amino-benzene and D is chloracetyl; and A is 1-(41-sulphophenyl)-3-methyl-5-pyrazolony-4, B is derived from 2,21-dimethyl-1,1-diphenyl-5-sulphonic acid, C is 1-amino-2-methyl-benzene and D is chloracetyl. The dyes are suitable for dyeing, padding or printing fibres of animal origin, e.g. wool, synthetic polyamide fibres, leather and fibres of cellulose or regenerated cellulose.
Patent GB-1528175-A (GB)
Title: Plant for batching at least two substances
IPC: E21B47/00
Filed: 1975-09-23
Abstract: 1528175 Proportioning mixture constituents MUANYAGIPARI KUTATO INTEZET 23 Sept 1975 [23 Sept 1974] 39028/75 Heading BIC Liquids (e.g. a resin, accelerator and hardener) may be pumped in constant proportions by metering pumps 10, 12, 14 actuated by double acting pressure cylinders 16, 18, 20 having a common pressure fluid supply and interconnected working chambers 16a, 18a, 20a, and 16b, 18b, 20b. The rate of operation is controlled by a throttle valve 50 in the pressure fluid supply; a valve 36 operated by an abutment 52' reverses the flow to the cylinders, and the proportions of the constituents may be altered by stroke adjusters 58, 60 in the cylinders 18, 20.
Patent GB-1112867-A (GB)
Title: Improvements relating to electric arc stud welding
IPC: B23K35/02
Filed: 1965-09-14
Abstract: 1,112,867. Making welding studs; forging; welding by pressure. CROMPTON PARKINSON Ltd. 14 Sept., 1965 [17 Sept., 1964], No. 39206/65. Headings B3A, B3H and B3R. In a method of producing a stud for use in electric arc stud welding a recess is formed in the end of the stud by cold forming, the wall of the recess is deformed to form projections and a slug of flux is forced into the recess and caused to flow around the projections which then hold it in place. In a five station machine a piece of stock 18 is cut from a bar 10 by a cutter 20 at the first station and transferred to a holder 22 of the second station. At this station a head 48 is partly formed by a heading recess 40 in a heading die 38 whilst at the other end a pin 52, Fig. 3, on the end of an ejector 28 forms a recess 54. The head 78 is completed and the recess is enlarged at the third station. At the fourth station the stud is held against movement by an insert 100 whilst a chisel-like peening blade 104, Fig. 5, forms projections 108 at the end of the enlarged recess 106 in the end of the stud. At the fifth station, flux slugs 134 from a hopper or supply line 138 are forced into the recess 106 by a driving member 130. The stud is moved to the right by a ram assembly 148 into a small recess 114 in a die member 112. Further movement of the ram carries the die member against a spring 128 so that the fixed drive member 130 projects past a slug feed passage 132 to allow a slug into the recess 106 where it is deformed to flow around the projections 108.
Patent GB-1441766-A (GB)
Title: Apparatus for thrust reversal
IPC: F02K1/60
Filed: 1973-08-20
Abstract: 1441766 Deflecting propulsion jets MOTOREN-UND TURBINEN-UNION MUNCHEN GmbH 20 Aug 1973 [25 Aug 1972] 39328/73 Heading B7G An aircraft by-pass gas turbine engine has jet deflector buckets 13, 14 which are movable to the positions shown in Fig. 6 whereby the buckets 14 deflect the hot core gas and buckets 13 deflect the by-pass air to protect the engine cooling and aircraft structure from the effects of heat, particularly when afterburners are in operation. The engine comprises a core engine 2, 3 surrounded by a by-pass air duct 4 both discharging into a nozzle comprising relatively rotatable sections 6, 7 for jet deflection and a variable area nozzle 11. The cooling 15 is surrounded by the jet deflector buckets 13, 14, the buckets 14 being carried by arms 36, 39 on buckets 13 and moved relative thereto by a jack, not shown. The buckets 13 are carried by arms 24 and links 27, the arms 24 being mounted on fixed pivots 23 and provided with toothed hubs 22 which engage a common rack 21 actuated by a jack 20 secured to a fixed mounting bracket 16. The end of each link 27 is guided in an arcuate track 29 to cause the bucket to rotate about its pivot on the extremity of arm 24 as the arm is swung between the fullline and dotted-line positions shown in Fig. 1. When the afterburners are lit the buckets 13 may be moved apart from the position shown in Fig. 6 to enable some of the excessively hot gases to be discharged rearwardly.
Patent GB-852480-A (GB)
Title: Improvements in sheet feeding machines
Inventor: MILLER PERCY STUART
IPC: B65H1/22
Filed: 1957-12-18
Abstract: 852,480. Feeding sheets. CUNDALL FOLDING MACHINE CO. Ltd. Dec. 4, 1958 [Dec. 18, 1957], No. 39387/57. Class 100(1) In sheet-separating apparatus of the type wherein a fanned-out pile of sheets is placed on a conveyer belt and fed towards a sheet-separating suction roller, the feed of the conveyer is controlled by means applied at or adjacent the trailing edge of the top few sheets of the pile and at a point remote from the suction roller. As shown, the control means comprises a carriage 6 slidably mounted on a radius arm 7, an under-carriage 8 pivoted to the carriage 6 for movement about an axis transverse to the axis of the arm 7, and a pair of tracking wheels 11 carried by the undercarriage 8. Two feeler wheels 12, 13 are supported by the undercarriage, the wheel 12 being carried on a bellcrank lever-18 the upper end 17a of which co-operates with a stop-screw 35 on a member 36 secured to a pushrod 37, and the wheel 13 is also carried on a bell-crank lever co-operating with a stop-screw on a member secured to a spring- urged rod 22. The rod 22 is mounted slidably in the undercarriage 8 and carries a frame or carriage 21 on which the bell-crank 18 is pivoted. The push-rod 37, to which longitudinal movement is imparted as the feeler wheel 12 rises and falls, is slidably mounted in the carriage 6 and arms 46, 47 secured to the radius arm 7, and this rod actuates an electrical or mechanical switch means controlling the stepby-step movement of the conveyer carrying the pile of sheets. The arm 7 is fixed in a block 40 clamped on a gratuated gauge 41 which is secured at each end to a stub axle 44 rotatably mounted in fixed bearings 45. The end of the push-rod 37 is adapted to pivot an angle member 49 about fixed end pivots 51 to actuate a control mechanism through a tappet 52 and lever 53. The point of contact of the rod 37 with the bar 49 is coincident with the axis about which the bar pivots. The tracking wheels 11 and feeler wheels 12, 13 rest on the top of the sheet pile adjacent the trailing edge of the top few sheets at a point remote from the suction separator roller (not shown). Due to the above arrangement, when the wheels 11 fall to a lower position than the feeler wheel 12, the push-rod 37 will not be affected, since the wheel 13 also falls slightly more than the wheel 12 and moves the frame or carriage 21 to cause the bell-crank 18 to move and therefore compensate for any extra movement which would be imparted to the push-rod by the wheel 12. A similar, but more compact form of feeler wheel assembly is also described and shown.
Patent GB-1448519-A (GB)
Title: Dynamic shift register
IPC: G11C19/18
Filed: 1974-09-10
Abstract: 1448519 Semiconductor shift register NCR CORP 10 Sept 1974 [11 Oct 1973] 39431/74 Heading G4C [Also in Division H3] In a dynamic shift register, capacitor 4 is charged via FET 3 during clock pulse # 1 , and capacitor 6 charges through 5 during an overlapping portion of clock pulse # 2 . At the end of clock pulse # 1 , capacitor 4 discharges or not through FET 2 depending on the charge on input capacitor 1, and capacitor 6 stays charged or discharges depending on whether capacitor 4 discharges or stays charged. After the end of clock pulse # 2 , clock pulse 93 turns on transistor 7 to transfer the charge on capacitor 6 to the next stage.
Patent GB-1359524-A (GB)
Title: Method and apparatus for making continuous lengths of plastic tubes
IPC: B29C48/09
Filed: 1971-08-23
Abstract: 1359524 Carrier for forming pipes F H DROSTHOLM 23 Aug 1971 [21 Aug 1970] 39468/71 Heading B5A [Also in Division F2] A cylindrical thermoplastic or thermosetting resin tube is continuously extruded, or wound, e.g. from glass fibres pre-impregnated with thermosetting plastics, on to a carrier comprising an endless band which is continuously fed along a helical path relative to a supporting surface between which and the band is provided means for reducing friction. The friction may be reduced by freely rotatable rolls or balls recessed within the supporting surface, along helical paths corresponding to that of the carrier, and/ or an oil or air film circulated through orifices, e.g. 3 in Fig. 1, in the surface. In the Fig. 1 embodiment, a thermoplastic or thermosetting resin, e.g. a polyester resin of stated formulation including clay filler and chopped glass fibre reinforcement and which cures at 60 C., is extruded from an orifice 2 on to the carrier band 4 which moves in the helical path along the cylindrical surface 1a of a hollow stationary support 1, from the downstream end of which the band 4 is drawn, by engagement thereof against a surface 7, by a friction disc 6 rotated by an electric motor 5, and delivered through the support 1 to the upstream end thereof from which it is fed on to the surface la around a tensioning spring loaded rail 10. A thermoplastics tube is hardened by cooling upon the band 4, or a thermosetting tube hardened thereon by passage through an oven. In the Fig. 6 embodiment, on which a pipe may be extruded or wound, the support 1 defining the support surface is hollow and rotated by a hollow drive shaft 20 from a motor 21, the endless band 4 being drawn from the upstream end of the support 1 and delivered axially therethrough and fed to the downstream end thereof through a slot 25 in the shaft 20, and in this embodiment the speed of rotation of the supporting surface may be equal and opposite to that at which the helical coils of the band 4 are laid thereon so that the pipe being made does not rotate, e.g. to facilitate the direct laying of the formed pipes as oil pipe-lines in the ground. Where the band 4 does not rotate, impregnated rovings may be wound thereon by planetary winding means. The friction disc driving the endless band may alternatively be located at the upstream end of the supporting surface 1. The endless band 4, Fig. 8, is preferably of steel and may have welded adjacent one edge thereof a flange 4a<SP>1</SP> against which the adjacent helical band turn locates in sealing relationship with respect to the pipe supported thereby and to any lubricant, e.g. between the band and supporting surface. The band and flange may be coated with polytetrafluorethylene, e.g. when the friction reducing means comprises balls in the surface. A seal 40, of synthetic or natural rubber, may be provided in the flange 4a<SP>1</SP>, and a co-operating seal 40 may also be provided on the underside of the unflanged edge of the band 4.
Patent GB-1272606-A (GB)
Title: Imidazolinyl benzalhydrazone and a process for its preparation
Inventor: HOULIHAN WILLIAM JOSEPH
IPC: C07D233/52
Filed: 1969-08-07
Abstract: 1,272,606. Dimethylbenzaldehyde imidazolinyl hydrazone. SANDOZ Ltd. 7 Aug., 1969 [27 Feb., 1969], No. 39501/69. Addition to 1,218,820. Heading C2C. 2,6 - Dimethylbenzaldehyde - 2 - imidazolin- 2-yl hydrazone, and its pharmaceutically acceptable acid addition salts is obtained by reacting 2,6-dimethylbenzaldehyde with 2- hydrazino-2-imidazoline (or a salt thereof), and optionally converting the fere base into salt form. Pharmaceutical compositions having hypotensive activity comprise an above novel compound in admixture with a pharmaceutically acceptable inert carrier or diluent.
Patent GB-1142548-A (GB)
Title: Liquid phase oxidation of isobutane
IPC: C07C409/04
Filed: 1967-08-30
Abstract: 1,142,548. Oxidation of isobutane. ATLANTIC RICHFIELD CO. 30 Aug., 1967 [10 Oct., 1966], No. 39761/67. Heading C2C. In a process for the liquid phase oxidation of isobutane with molecular oxygen at elevated temperature and pressure, the charge stream contains at least 97% by weight of isobutane and less than 3% of normal butane and propane. The main reaction products are tertiary butyl hydroperoxide and tertiary butanol; the oxidation is carried out at 300-700 p.s.i.g. and 200-300‹ F., preferably in the absence of a catalyst.