baber/WOPTO huggingface dataset:
Patent GB-1537267-A (GB)
Title: Carrier-frequency communications transmission systems
IPC: H04J1/04
Filed: 1975-11-24
Abstract: 1537267 FDM transposition arrangements SIEMENS AG 25 Nov 1975 [15 Jan 1975] 48160/75 Heading H4M In a carrier frequency communications system in which a first super-group of FDM channels in the frequency band 312-552 kHz is transmitted without transposition while at least one further super-group in the same band is transposed to an adjacent band, either 60-300 kHz or 564 to 804 kHz, the transposition is effected in two stages of modulation, firstly to an intermediate highfrequency band and from there to the required band, so that filter design problems are simplified. Following the first modulation stage 1, the transposed super-group is passed through a band pass filter 2, which has a blocking attenuation for the 312-552 kHz band which is less than the necessary 54 db. (because there will be attenuation in the second modulation stage) and an upper band limit above the lower of the two side bands resulting from the first modulation step (in fact for easy filter design, this limit is above both side bands but is such as to block higher harmonic bands). The second modulation stage 3 is followed by a low pass filter 4 which blocks the frequency band resulting from the second transposition of the higher (and unwanted) of the two sidebands. Design of such a filter is straightforward due to the improved percentage separation of the two sidebands. The procedure is used in a CCITT 4 MHz system in which 16 super-groups are established and the carrier used (2968 kHz and 2356 kHz) may be developed from any of those available in the system.
Patent GB-1199489-A (GB)
Title: Improvements in or relating to Water-Cooled Continuous Casting Apparatus.
IPC: B22D11/128
Filed: 1967-10-25
Abstract: 1,199,489. Continuous casting. MANNESMANN A.G. 25 Oct., 1967 [26 Oct., 1966], No. 48393/67. Heading B3F. A mould 1 with cooling tubes supplied with water from a jacket 2 fixed around the mould (whose cavity axis may be straight or curved), releasably suspends by pillars 8 passing through the jacket 2 a frame 7 to which guide rolls 6 are attached so that the whole arrangement is reciprocated by a linkage 4 connected to a supporting table 3. By releasing screws or wedges 9, the water jacket 2 and mould 1 can be removed to leave the rolls 6 free for cleaning or exchange. A housing 11 carrying support rolls 10 is aligned by pins 12 sliding in guides 13 on the frame 7.
Patent GB-1365389-A (GB)
Title: Process for the hydrodesulphurization of a crude oil or a reduced crude oil and catalyst therefor
IPC: B01J23/85
Filed: 1971-10-20
Abstract: 1365389 Hydrodesulphurization catalysts GULF RESEARCH & DEVELOPMENT CO 20 Oct 1971 [19 Nov 1970] 48678/71 Heading B1E [Also in Division C5] Catalysts for use in a two-bed hydrodesulphurization process comprise a metal of Group VI and a metal of Group VIII supported on a non-cracking alumina having for the first bed at least 50% of the pore volume in pores of radius 50-100, and for the second bed less than 45% of the pore volume in such pores.
Patent GB-1161016-A (GB)
Title: Improvements in Sliding Clasp Fasteners and Machines for use in their Manufacture
IPC: A44B19/40
Filed: 1967-10-31
Abstract: 1,161,016. Folding edges of non-metallic sheet material. OPTI-HOLDING A.G. 31 Oct., 1967 [8 Nov., 1966], No. 49344/67. Heading B5K. [Also in Division E2] In a sliding clasp fastener having interlocking elements of continuous coil form made from thermoplastics material. The inner margins 3 of its stringer tapes 2 are folded over and permanently secured to the interlocking elements by means of adhesive or by welding. The fastener may be moved by a conveyer with adhesive being continuously applied from a container. In a modification the fastener passes beneath electric heaters 6, Fig. 4, and a presser foot 9, to weld the tape margins to the elements. The tape margins may contain thermoplastics threads to facilitate such welding.
Patent GB-1406550-A (GB)
Title: Pressurized fluid rotary machine
IPC: F04B1/113
Filed: 1973-10-23
Abstract: 1406550 Reciprocating motors and pumps HYDROSOL 23 Oct 1973 [27 Oct 1972] 49356/73 F1A A motor or pump, e.g. of reciprocating cylinder type for driving a vehicle wheel or civil engineering tool, has a casing 11 comprising an apertured plate 12 forming a mounting for the motor or pump and detachable side plates 11A, 11B secured to plate 12, e.g. by studs and nuts 26, 28. The plate aperture receives the moving parts of the motor or pump, Fig. 2 (not shown), and the plate also has feed and return and leakage drain passages formed therein. A sole plate (13), Fig. 1 (not shown), may be attached to plate 12 for mounting the motor or pump.
Patent GB-1018370-A (GB)
Title: Improvements relating to the joining of thermoplastic parts
IPC: B29C65/08
Filed: 1964-12-04
Abstract: 1,018,370. Seaming non-metallic sheet material. BRANSEN INSTRUMENTS Inc. Dec. 4, 1964 [Dec. 6, 1963], No. 49382/64. Heading B5K. Conforming surfaces 13, 14 of thermoplastic parts 10, 11 are joined together by holding the surfaces 13, 14 in intimate contact and introducing sonic or ultrasonic vibrations into the parts 10, 11 at an exposed surface thereof remote from the surfaces 13, 14, the vibrations being transmitted through the parts 10, 11 to cause relative vibratory motion of the surfaces 13, 14 to produce frictional heating of the surfaces 13, 14 and thereby produce a joint. In one embodiment, Fig. 1, two plates 10, 11 of thermoplastic material are joined together by applying a welding tool 12 to an axis of symmetry thereof. In a second embodiment, Fig. 2 (not shown), two short cylinders 15, 16 closed at one end are butt-welded together at their open ends and in a modification, Fig. 3 (not shown), two cup-shaped parts 17, 18 are welded together. In a further embodiment, Fig. 4 (not shown), two half-cylindrical parts 20, 21 are joined together along faces parallel to the axis thereof by a tool 22, having a wide tip. In another embodiment, Fig. 5 (not shown), two irregular parts 23, 24 are joined by a tool 25. In other embodiments (not shown), a toy pig is formed of two halves mating along a plane passing lengthwise from head to tail and ultrasonic vibrations are applied to the side of the pig; a container is formed from upper and lower parts each having a plurality of sealing surfaces each conforming to a respective sealing surface on the other part are sealed by applying ultrasonic vibrations to a part remote from any of the interfaces; an upper part having a complex lower surface and a pin projecting downwardly therefrom into a bore in a lower part are welded using this method; an L-shaped or U-shaped beam of thermoplastic bars is formed by this method; two halves of a toy whistle are welded together with a plastic ball disposed loosely therein and which does not weld to either whistle half. The tip of the welding tool may be shaped to conform to the surface of the part contacted thereby. Couplers, e.g. polyethylene terephthalate film, may be interposed between the welding tip and the part. A special welding tip to which the ultrasonic vibrations are applied may be provided and is removed after sealing. Specified thermoplastic materials are polyethylene and polystyrene.
Patent GB-1292506-A (GB)
Title: Improved process for dyeing fibrous material
Inventor: HILDEBRAND DIETRICH
IPC: D06P1/90
Filed: 1970-10-16
Abstract: 1292506 Pressure dyeing FARBENFABRIKEN BAYER AG 16 Oct 1970 [18 Oct 1969] 49385/70 Addition to 1192984 Heading D1B Fibrous material is dyed in a dyebath which comprises an organic liquid immiscible with water, a surface active dispersing agent and dispersed in the organic liquid an aqueous solution or dispersion of a dye insoluble or at most sparingly soluble in the organic liquid, the water content being not more than 10 per cent by weight the dyebath being contained in a pressure dyeing apparatus and dyeing being effected at a temperature at which the pressure is at least 25% preferably 75%, above the vapour pressure of the water at the dyeing temperature no condensate being formed. Polyacrylonitrile, wool and #-caprolactam fibres are dyed with basic and acid dyes.
Patent GB-1512520-A (GB)
Title: Reactive metal complex formazan dyes
IPC: C09B62/038
Filed: 1975-10-23
Abstract: 1512520 Reactive metal complexed formazan dyes IMPERIAL CHEMICAL INDUSTRIES Inc 23 Oct 1975 [15 Nov 1974] 49483/74 Heading C4P Novel metal complex formazan dyes have the formula where A and B independently are o-phenylene or o-naphthalene; one of X<SP>1</SP> and X<SP>2</SP> is -O- and the other is -COO-; M is Cu, Ni, Co or Cr; R<SP>1</SP> is C 1-4  aliphatic hydrocarbyl, optionally substituted phenyl or furyl; R<SP>2</SP> is H or lower alkyl and the group -NR<SP>2</SP>- is attached to A, B or R' as phenyl; Y is # = N-, = C-CN or = C-Cl; Z is Cl or Br; R<SP>3</SP> is optionally substituted aryl and m is 1 or 2. The dyes are prepared by reacting the appropriate trihalo triazine or pyrimidine compound in either order with the corresponding dye of Formula (I) containing the group -NHR<SP>2</SP> and a phenol of formula R<SP>3</SP>OH. The dyes are used for colouring cellulosic and nitrogen containing textile materials particularly wool, silk and nylon.
Patent GB-1072180-A (GB)
Title: Amphibious conveyance
IPC: B60F3/00
Filed: 1965-11-23
Abstract: 1,072,180. Amphibious conveyance. M. BLANK. Nov. 23, 1965, No. 49734/65. Headings B7A and B7V. An amphibious conveyance comprises at least one spherical hull which transports objects over land or sea by the propulsive and steering forces imparted to it by a vehicle or vehicles which have entered therein to rotate their wheels on rails or track encompassing the internal circumference of the hull. The said rails or track are connected with a paddle wheel track or road track external of the hull. The hull may be steered by differential driving of the internal rails or tracks by the vehicles therein. Two hulls may be connected by an axle to support a boat, or several hulls may be connected to support a platform. The hull may be provided with an internal platform mounted to remain static relative to the hull.
Patent GB-1408761-A (GB)
Title: Navigational light system
IPC: H05B37/03
Filed: 1972-10-30
Abstract: 1408761 Lamps TIDELAND SIGNAL CORP 30 Oct 1972 [23 Dec 1971] 49836/72 Heading F4R [Also in Divisions G4 and H2] A navigational light, embodying a number of lamps mounted on a turret, comprises a circuit (Fig. 4) to detect failure of a lamp disposed at an operative position behind a lens and, upon failure being detected, to cause rotation of the turret to position a new lamp at the operative position. The circuit comprises an OR-gate formation of two diodes 120, 121 arranged so that, at all times during normal operating conditions, the anode of one or other diode is always at positive potential to ensure such a signal at the junction of their cathodes and a resistor 123. While the lamp 22b is off, the anode of diode 120 is connected to positive via the lamp filament. Thus, if the lamp is burned out there is no positive voltage at resistor 123, a transistor 125 is turned off and the resultant potential at its collector causes actuation of the turret drive motor 28. To ensure correct alignment of the new lamp and lens, means are provided to compensate for overrunning of motor 28. The turret is driven via a one-way clutch and, at the end of a turretindexing motion, the motor control circuit delivers a reverse polarity pulse to cause release of the forward pressure of the clutch. The turret comprises a Vee-shaped recess (Fig. 8) associated with each lamp, and an electrical contact 173 has an end portion 174 which, under spring action, causes the turret to become correctly positioned, when the clutch pressure is released, by engagement of the portion 174 in the apex 175 of the recess. Further, the motor control circuit prevents transmission of lamp-lighting current to the turret, during indexing, to eliminate arcing at the relatively moving contact parts. The eircuity for achieving the above functions is also described with reference to Fig. 4.
Patent GB-1241968-A (GB)
Title: Superimposed sheet detecting and separating apparatus
IPC: B65H29/64
Filed: 1968-10-22
Abstract: 1,241,968. Feeding sheets. XEROX CORP. 22 Oct., 1968 [25 Oct., 1967], No. 50001/68. Heading B8R. A double-sheet feed e.g. 21, 22 is detected by passage between plates 12 and 13 apertured at 14 and in communication with a source of suction via conduits 33 and 34. A combination of the suction from conduits 33 and 34 and air drawn in at the right hand end, Fig. 3, of the passage causes sheet 21 to become -adhered to plate 13 and sheet 22 to plate 14. The resulting drop in pressure in both chambers 16 and 17 causes actuation of two relays which stop the sheet feed. In normal operation a single sheet becomes adhered to only one plate (12 or 13), only one relay is actuated and there is no stopping of the feed.
Patent GB-997929-A (GB)
Title: Hardenable contact adhesive
IPC: C08F279/02
Filed: 1963-12-19
Abstract: An adhesive composition which hardens in the cold comprises an acrylonitrile-butadiene copolymer, an unsaturated polymerizable polyester, an aliphatic ester of methacrylic acid, a readily volatile solvent, a radical-forming polymerization catalyst and a compound which activates the catalyst.  The ratio by weight between the acrylonitrile-butadiene copolymer and the unsaturated polyester is preferably from 1 : 1 to 1 : 4 and preferably 1 to 4 parts by weight of aliphatic methacrylate are used per part by weight of the unhardened unsaturated polyester.  The molar ratio between acrylonitrile and butadiene in the copolymer thereof is preferably from 20 : 80 to 50 : 50. Readily volatile solvents mentioned are vinyl acetate and vinyl methyl ether.  Conventional unsaturated polyester resins, catalysts and activators are used. The adhesive composition may be made by forming two or three groups of the components which are combined immediately prior to use of the adhesive.  In the Examples: (1) Components (A), (B) and (C) are mixed together, component (A) consisting of an acrylonitrile-butadiene copolymer dissolved in vinyl acetate, an unsaturated polyester formed from maleic and phthalic acids and propylene glycol and dissolved in vinyl acetate, a solution of cobalt octoate in dioctyl phthalate and finely divided powdered silicon, component (B) containing lauroyl peroxide and a solution of dimethyl aniline in styrene and component (C) being methyl ethyl ketone peroxide in dimethyl phthalate; (2) components (A1), (B1) and (C1) are mixed, component (A1) consisting of the copolymer in vinyl acetate, an unsaturated polyester formed from fumaric and tetrachlorophthalic acids and propylene glycol and dissolved in vinyl acetate, cobalt octoate dissolved in dioctyl phthalate and silicon dioxide, component (B1) is methylmethacrylate and component (C1) is methylethylketone peroxide and benzoyl peroxide in dimethylphthalate; (3) components (A11) and (B11) are mixed, component (A11) being the same as component (A1) plus component (B1) except that the polyester is formed from maleic and isophthalic acids and diethylene glycol and component (B11) being the same as component (C1).
Patent GB-1454515-A (GB)
Title: Machine guidance
IPC: G01C15/00
Filed: 1973-10-29
Abstract: 1454515 Tunnelling JOHN MOWLEM & CO Ltd 5 Nov 1974 [29 Oct 1973] 50247/73 Heading E1F [Also in Divisions G3 and H4] In the construction and excavation of a tunnel it is desired that a tunnelling shield, cutting out the next tunnel section to be excavated, should be guided along a predetermined path. A laser or other light source, therefore, produces a beam 12, Fig. 1 defining said path, and a target is connected to the shield via a position adjusting strut 2, the target comprising an optical device 9, e.g. a penta-prism, which is rotated about an axis parallel with that of the shield and causes the reflected beam 14 to sweep in a plane which remains substantially perpendicular to the path (beam 12) independent of the attitude of the shield and the target. Two arrays of photodetectors 10, 11, Fig. 2, are thus provided, parallel to said rotation axis and angularly spaced by less than 80‹ such that if the shield and targets axis are aligned with the path 12 a predetermined one of the detectors in each array is irradiated with the degree of misalignment being indicated by the actual detectors irradiated. The shield may be aligned and then pushed forward by a plurality of hydraulic rams arranged round its periphery, the mis-alignment determination being used to automatically control said rams. When the target is mounted off-centre of the shield, any rotation of the shield about its axis may take the incident beam 12 off the penta-prism 9. To detect any such rotation, a pendulum has its bob 19 constrained by two resistance wires 22, 23 connected in a bridge circuit 27. Any rotation of the shield and consequent movement of the resistance wires supports 25, 26 will cause (due to the pendalum tending to resist the rotation) a differential resistance to occur and be measured by the bridge circuit, rotation readjusting motors 28, 29 being thereby actuated. The readjustment is stopped when a photodetector 36 detects that the beam 12 is at the centre of the penta-prism.
Patent GB-1361670-A (GB)
Title: Fixing of images obtained by electrophotography
IPC: G03G8/00
Filed: 1971-10-29
Abstract: 1361670 Electro-photographic fixing processes FUJI PHOTO FILM CO Ltd 29 Oct 1971 [30 Oct 1970] 50523/71 Heading G2H An electrostatic latent image is developed with charged toner particles dispersed in a volatile insulating carrier liquid, optionally washed in a volatile liquid and then fixed by laminating thereover a transparent adhesive plastics film using heat and/or pressure; the lamination being carried out while the image bearing surface is still wet. Typically, a photo-conductive sheet 1 is charged, exposed, pre-treated with kerosene, developed using carbon black in an isoparaffin solvent, washed in the same solvent and then laminated to a polypropylene film 2 using a heated metal roller 31 and a back-up roller 32 of P.T.F.E.
Patent GB-1121142-A (GB)
Title: Improvements in or relating to straight bar knitting machines
Inventor: START ERNEST
IPC: D04B11/06
Filed: 1964-12-12
Abstract: 1,121,142. Knitting-machines. WILLIAM COTTON Ltd. 8 Nov., 1965 [12 Dec., 1964], No. 50690/64. Heading D1C. A straight-bar machine has two groups 51A, 51B, Fig. 4, of transfer points selectively operable to engage the loops of a rib welt on the needles and transfer them inwardly in successive groups as illustrated in Figs. 5 to 8, before the commencement of the knitting of plain fabric so that loop doubling is achieved as at LO .. LO5 and the rib portion has its loops restricted to a smaller number of needles for the continuation of the plain fabric. The transfer points are individually slidable on the narrowing head and are selectively controlled by bars 190, 191 which are controlled by lead screws to engage beneath butts on the transfer points and prevent them being lowered into an operative position. The remaining points follow a normal loop transfer motion when the narrowing head is operated. Alternatively the points can be operated by solenoids.
Patent GB-1111200-A (GB)
Title: Mechanism for needling textile fibres
IPC: D04H18/02
Filed: 1966-08-26
Abstract: 1,111,200. Needling apparatus. SINGER CO. 26 Aug., 1966 [30 Aug., 1965], No. 10816/67. Divided out of 1,111,199. Heading D1R. Needling apparatus having a textile web support 11 and an endwise reciproratory barbed needle includes a primary actuating means for reciprocating said needle and a secondary actuating means for imparting a smaller amplitude higher frequency reciprocation to said needle. The frequency of the secondary reciprocation is preferably sufficiently high to effect reciprocation of the needle in a series of overlapping recirocatory increments. The primary actuating means comprises crank means 66 and a rotary actuator e.g. a belt driven pulley 67, and the secondary actuating means comprises an eccentric bearing 69, 73 and means e.g. motor 70 and belt 71 driving the eccentric. The method of needling forms the subject matter of Specification 1,111,199.
Patent GB-1277431-A (GB)
Title: Golf bag cover
Inventor: CHERRY JOHN NEVILLE
IPC: A63B55/57
Filed: 1968-10-26
Abstract: 1277431 Golf bag cover J N CHERRY 23 Jan 1970 [26 Oct 1968] 50927/68 Heading A6D A golf bag cover of weatherproof or weather-resistant flexible sheet material, preferably polyvinyl chloride, comprises a main section adapted to be releasably secured around a golf bag, and a flap or hood to cover golf clubs in the bag. In the figure, the cover comprises a main rectangular section 1, side flaps 2 and hood 3. The cover is fastened by means of hooks 8 and 13 attached to the side flaps via loop 7 and plastic ring 6, and via chain 12, elastic loop 11, loop 10 and ring 9 respectively. A bag for the cover when folded is also provided.
Patent GB-1445184-A (GB)
Title: Continuous wave radar system and method for obtaining range discrimination therewith
IPC: G06K9/32
Filed: 1973-11-02
Abstract: 1445184 FM-CW radar INTERNATIONAL STANDARD ELECTRIC CORP 2 Nov 1973 51020/73 Heading H4D In a "range limited" FM-CW radar system, of the kind wherein the beat signal is passed through a filter to select a particular modulation side band, which side band varies in amplitude according to a Bessel function of the target range, e.g. as shown in Fig. 3 for the first order side band, the largest amplitude peak 22 occurring at close range, enables, in conjunction with a detection threshold 26, the limitation of target detection to said close range. A very good reflector, e.g. sea, at a greater range, may however produce an echo which, even when weighted by a lesser peak, 23, may come above the threshold and cause an erroneous detection. To overcome this, it is proposed to produce a delay between the transmitted signal and that used for beating with the echo signal, such that a beat signal side band of the sixth order on higher, e.g. the tenth, having an amplitude which varies with distance as shown in Fig. 4 when no delay is introduced, now has an amplitude variation as shown in Fig. 5, the "mirror" peak 33 of Fig. 4 having being "shifted" to the right by a "range" equivalent to the delay. The delay is chosen such that the peak 33 in Fig. 5 extends over the required near range zone of investigation and the next peak 28 is at such a large range that no sufficiently large echoes therefrom could cause interference.
Patent GB-1018020-A (GB)
Title: An air classifier with a vertical disperser and a central overhead feed inlet
IPC: B07B4/02
Filed: 1964-12-17
Abstract: 1,018,020. Pneumatic separators. POLYSIUS G.m.b.H. Dec. 17, 1964 [March 5, 1964], No. 51415/64. Heading B2H. Material to be classified is introduced into the housing 1 of an air classifier through a central overhead inlet 2 and is dispersed by means 4 towards the walls of the housing and falls into a classifying zone 9 surrounding the mouth of a fines-collecting funnel 7 connected to a section source, classifying air being fed tangentially into the housing below the zone 9 through tangential inlets 13 and the coarse fraction being collected in a funnel formed by an extension of the housing and surrounding the funnel 7. The means 4 may be a revolving disperser, as shown, or a distributing cone. The classifying zone 9 lies between the rim of the funnel 7 and a double frusto-conical core member 6 supported by stays 5. The cross-section of the air flow in the zone 9 may be varied by adjustment of the funnel 7 in the direction of the arrow 10 by means of a handwheel 11. Part of the classifying air may be introduced with the feed material.