baber/WOPTO huggingface dataset:
Patent GB-1265182-A (GB)
IPC: D21F9/00
Filed: 1969-02-05
Abstract: 1,265,182. Papermaking apparatus. BLACK CLAWSON CO. 5 Feb., 1969 [19 Feb., 1968; 8 March, 1968; 27 Aug., 1968], No. 46343/71. Divided out of 1,265,181. Heading D2A. A method of forming a fibrous web from a dilute aqueous suspension of co-moving fibres exiting from a slice as a substantially unidirectional ribbon-thin jet stream comprises the steps of guiding a pair of opposed wire reaches through an initially close space, receiving the jet stream therebetween, dewatering the jet stream in opposite directions in the immediate vicinity of the close space and through the opposed wire reaches, and guiding the opposed wire reaches convergingly into general parallelism with a fibrous web sandwiched therebetween through an S-shaped path having a plurality of successive Substantially opposed curved regions urging one of the wire reaches against an opposed region of the other wire reach free of contact with restraining means through the successively opposed curves to effectively urge water through and away from successively opposite sides of the wire reaches. The apparatus of Specification 1,265,181 may be adjusted to run in this way.
Patent GB-1265926-A (GB)
IPC: H01L31/16
Filed: 1970-06-19
Abstract: 1,265,926. Photodiodes. RCA Ltd. 19 June, 1970 [26 Sept., 1969], No. 29937/70. Heading H1K. A quadrant photodiode with high resolution consists of a high resistivity semi-conductor wafer with a region of one conductivity type extending over substantially the whole of one face which is provided with mutually perpendicular V-shaped grooves and four quadrant shaped regions of the opposite type at the other face disposed with the gaps between them in register with the grooves. The light is incident on the one face and when directed at a groove is refracted by its walls towards one quadrant. This minimizes cross-talk and ensures that the degree of resolution is limited only by the dimensions of the light spot. In both embodiments the one conductivity (P) type region, formed by boron diffusion, extends over the entire face including the groove walls. An annular guard ring and the quadrants surrounded by it are formed by diffusing phosphorus either into the entire face followed by selective etching or through apertures in oxide masking. A light reflecting aluminium layer is provided on the quadrants and guard ring and an antireflection layer of silica #/4 thick on the grooved surface by vacuum evaporation.
Patent GB-1267094-A (GB)
IPC: G01K3/10
Filed: 1969-05-30
Abstract: 1,267,094. Transistor circuits. F. G. C. LEMAIRE. 30 May, 1969 [26 June, 1968], No. 27434/69. Heading H3T. [Also in Division G4]  In an alarm responsive to rate of change of temperature, current passed by a capacitor C 1  proportional to the rate of change of voltage across a linearly responsive temperature sensor Th is amplified at T 1  and produces an alarm signal when above the threshold of an amplifier T 2 , T 3  whose response at its threshold is sharpened by a resistive-capacitive positive feedback path C 1 , R 14 . An alarm signal is also produced when the temperature is high enough for a diode D 1  to be forward-biased. Several such alarm circuits, each having a different alarm signal amplitude, are connected to a terminal X, whence signals are fed to a series of voltage comparators whose binary outputs are processed by logic circuits to determine and record which alarm circuits are in the alarm condition.
Patent GB-1291001-A (GB)
IPC: B65B51/04
Filed: 1971-04-19
Abstract: 1291001 Applying closures to bag necks; labels; reels KWIK LOK CORP 19 April 1971 [8 Feb 1971] 25202/71 Headings B8C, B8F and B8M Sheet closures 98 each having an interior aperture 211 connected by a narrow slot to the exterior are applied to bunched bag necks by being held in a rocker 90 beneath a bag neck, the rocker then being pivoted upwardly to cause jaws 212 on either side of the slot to flex about the neck. The closures are connected by webs to form a strip. Manual insertion of a bunched neck 205 actuates a switch arm 77 to cause the rocker 90 to pivot upwardly about pins 85. Withdrawal of a bag neck breaks the webs connecting the closure around the bag neck from the preceding closure held by an arm 107, and also releases the switch arm 77. The arm 107 is pivoted upwardly allowing the closure held thereby to be fed into the rocker 90 before the rocker is downwardly pivoted. A label (207) may be glued to each closure in the strip. The label or the closure may be printed in the machine. The flanges of a reel holding the closures may be of a three-pointed "star" shape.
Patent GB-1296138-A (GB)
IPC: F16L27/12
Filed: 1970-04-10
Abstract: 1296138 Pipe couplings TIROLER ROHREN-UND METALLWERKE AG 10 April 1970 [30 May 1969] 17186/70 Heading F2G A spigot pipe 1 and a socket pipe 2 are held together by locking segments 10 insertable between the inner face of a lip 7 of the socket and welded projections 4 on the spigot, the inner diameter of the lip having clearance over the outer surface of the projections and at least one part-circumferential recess being provided in the socket end for insertion of the segments. A recess of slightly greater circumferential length than the locking segments 10 is provided in the lip 7 and two projections 4 are provided in the spigot 1, diametrically opposed and on either side of the recess. Each locking segment 10 is inserted in the recess and then moved circumferentially to lock between the lip 7 and one of the projections 4 and a flange 11 to prevent over insertion, and an unwelded extension of each projection 4 is bent around the flange to hold the locking segment in position. The mating surfaces of the locking segments 10 and the lip 7 are part-spherical to accommodate angular misalignment of the pipes. A rubber seal 3 is provided between the spigot 1 and socket 2.
Patent GB-1306192-A (GB)
IPC: B65H35/00
Filed: 1971-05-04
Abstract: 1306192 Tape dispensers YEUN SE-KIT 4 May 1971 13016/71 Heading A4G Adhesive tape is dispensed from roll 12, Fig 3, supported between side walls 24 by spindle 18, by motor M driving internested milled wheels 26, 28 the tape being corrugated by two guide wheels 32 pressing the tape between the wheels 28 to prevent sticking before it is dispensed over guide 38, wheels 32 being lifted on frame 33 about spindle 27 on pulling the tape to sever it on blade 36. In a side wall, button 46, 102 slides on stud 107 to actuate micro switch 110, 108 controlling motor M for dispensing any length of tape according to time of depressing button 46 when a sliding button 44 is in its extreme left position. Button 102 carries a switching member 90, 92, 94, 96 pivotable and slidable at 98 in a button slot. On sliding button 44 partly to the right plate 78, 80 tensions spring 100 to push the switching member to place arm 92 in the path of cam 54 driven by the motor. On depressing and releasing the button, switch 110 is actuated and spring 100 pulls switching member 94 on top of switch 110 to hold it closed until rotation of cam 54 acts on part 92 to shift member 94 allowing switch 110 to stop the motor after a specified length of tape is dispensed. On sliding button 44 completely to the right, plate 78 displaces at bend 66 a spring loaded pivoted fork 64 which shifts a cam 58 slidably splined on cam shaft 27 to the side of cam 54 where, after dispensing a shorter length of tape it engages arm 92 and stops the motor. With slider 44 in either of the rightwards positions member 94 rests on switch 110 or energizes the motor. A pin or member 90 (120, Fig 1 not shown) protudes into the path of frame 33 so that every time a predetermine length of tape is cut and lifts frame 33, the motor is stopped and then restorted to dispense a further length of tape.
Patent GB-1309846-A (GB)
Title: Rotary actuating devices
IPC: F15B15/06
Filed: 1970-09-04
Abstract: 1309846 Rotary actuators WALLOP INDUSTRIES Ltd 11 Aug 1971 [4 Sept 1970] 42594/70 Heading F1D A rotary actuator comprises a rotatable spindle 52, having a pinion 53 which engages a rack 54 on the rod of a piston 58. The piston 58 is movable by a propellant charge 65 ignitable by an electric fuse head 71 connected to cables 72. Linear,movement of the piston 58 causes rotation of the spindle 52.
Patent GB-1311775-A (GB)
Title: Control circuits for stepping motors
IPC: H02P8/00
Filed: 1970-07-06
Abstract: 1311775 Control of stepper motors EASTMAN KODAK CO 6 July 1970 32660/70 Heading H2J A high-resolution stepper motor 10<SP>1</SP> having, e.g., two hundred drive-shaft positions, is driven by pulses from a logic circuit 20<SP>1</SP> controlled by voltage-controlled variable frequency pulse generator 22<SP>1</SP>. It is desired to run the stepper motor at as high a speed as possible without the motor getting out of step with the received pulses. This maximum speed decreases with increase of the load driven by the motor due to the increase in the time, #t, it takes for the motor to index one step in response to one pulse from the generator 22<SP>1</SP>. Accordingly, a feedback control system is provided which continuously adjusts the frequency of the generator 22<SP>1</SP> to maintain the ratio #t/T constant, where T is the time interval between the generator pulses. As shown, the feedback control system comprises a disc 141 having fifty detents 16<SP>1</SP>, the disc being driven by the motor so that for each four steps of the motor a successive detent 16<SP>1</SP> is sensed by a detector 18<SP>1</SP>. Dash-lines 151 on the disc indicate the motor shaft positions. The detector output pulse is applied to a flip-flop circuit 26<SP>1</SP> which resets the flip-flop to "01". The circuit 26<SP>1</SP> also receives a setting pulse from the generator 22<SP>1</SP> through a divide by four circuit 24<SP>1</SP> which sets the circuit to "10". During the time in which the circuit 26<SP>1</SP> is in the "01" state it applies a D.C. signal to an integrator 28<SP>1</SP> which regulates the frequency of the generator 22<SP>1</SP>. Thus, a lighter load on the motor causes an increase in motor speed and the period of the "01" state is extended to increase the voltage output level from integrator 28<SP>1</SP> and increase the generator pulse frequency. Another embodiment is described with reference to, Fig. 4 (not shown), which may selectively operate as an open of closed control loop for the motor, a photo-cell sensing the detents on the disc.
Patent GB-1317773-A (GB)
Title: Method of reducing sebum production
IPC: A61Q19/00
Filed: 1970-06-01
Abstract: 1317773 Reducing sebum production BRISTOL-MYERS CO 1 June 1970 26386/70 Heading A5B A method of reducing sebum production in a localized area of the skin (other than in the treatment or prevention of disease) comprises the topical application of a sulphhydryl compound of general formula: (or of salts thereof wherein R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP> and R' are H. C 1-8  alkyl or alkenyl, R<SP>5</SP> is H or C 1-9  alkyl, alkenyl, cycloalkyl or cycloalkenyl or R<SP>4</SP> and R<SP>5</SP> together with the adjacent N atom form a pyrrolidino, piperidino, morpholino, thiamorpholino or piperazino ring and X is a direct C to C bond or a C 1-8  alkylene group which may optionally be substituted by amino, acylamino, hydroxyl or mercapto, the acylamino substituent being aroyl amino of 6 to 8 C atoms, carboxyalkanoyl amino of 2 to 4 C atoms or carboxyaminoalkanoyl amino of 3 to 6 carbon atoms. The application may be made using compositions such as solutions, lotions, suspensions, jellies, creams, ointments and dusting powders. Examples of such compositions include shampoos.
Patent GB-1322173-A (GB)
Title: Process for the production of methyl phenyl bis-hydroxyphenyl-methane
IPC: C07C37/20
Filed: 1969-10-15
Abstract: 1322173 Process for methyl phenyl bis- (hydroxyphenyl)methanes IMPERIAL CHEMICAL INDUSTRIES Ltd 14 Oct 1970 [15 Oct 1969] 50714/69 Heading C2C The title product is made by condensing a distillation fraction consisting essentially of acetophenone and a minor proportion of phenol, without separating the phenol of the fraction, with an excess of phenol. The process is preferably effected in the presence of a condensing agent and a compound containing an SH group. In general, the product is a mixture of 2,2<SP>1</SP>-, 2,4<SP>1</SP>- and 4,4<SP>1</SP>-bis-(hydroxyphenyl)isomers with a tendency for methyl phenyl 4,4<SP>1</SP>-bis-(hydroxyphenyl)methane to predominate.
Patent GB-1323083-A (GB)
Title: Closed urinary drainage and irrigation systems
IPC: A61M1/00
Filed: 1970-07-03
Abstract: 1323083 Surgical drainage and irrigating systems ELLIOT LABORATORIES Inc 3 July 1970 32372/70 Heading A5R A drainage tube for use in a system for draining and irrigating a body cavity comprises tubing 6 having a slit 72 extending around part of the circumference thereof, the unslit part of the circumference forming a hinge about which ends of the tubing at the slit can be swung away from each other so that the tip of a syringe 68 containing irrigating fluid can be inserted into the proximal portion of the tube. A sleeve 74 slides on the end 70 of tube 6 and normally holds the ends of the slit against swinging movement. The tube 6 is a urinary drainage tube and communicates with a bag 4 through a one-way valve assembly, the diameter of tube 6 being such as to prevent the build-up of a column of urine in tube 6. The valve assembly 66 comprises a housing having a valve seat and a ball which moves away from the seat in response to fluid flow from tube 6, the fluid flowing into bag 4 through slots in the housing. Back flow of fluid from bag 4 moves the ball into contact with the valve seat thereby closing tube 6. The bag 4 comprises panels of flexible plastics material heat sealed together and having a pocket 32 at the upper end within which is located a stabilising tube 42 which removably receives one end of a draw-off tube 10 for emptying the bag and sealed thereto at 60. The front panel of the bag is transparent or translucent and the rear panel opaque and their inner surfaces are roughened to prevent them sticking together. A cotton wool filter 50 is located in tube 42, and graduation marks to denote the amount of fluid are provided on the bag. To prevent contamination the end of draw-off tube 10 is protected by a cap (48, Fig. 16, not shown). Tube 10 and stabilising tube 42 provide an overflow should bag 4 become overfull and also an entry for sterilizing gas. The syringe 68 comprises a flexible plastics bottle filled with sterile irrigation fluid and having a tapered neck 90, the fluid being ejected by squeezing the bottle. A tamper-proof cap is provided. Alternatively irrigating fluid may be fed from a sterile bottle by tubing.
Patent GB-1328794-A (GB)
Title: Excavating devices
IPC: E02F3/40
Filed: 1969-06-18
Abstract: 1328794 Buckets; vibrating cutters BTR INDUSTRIES Ltd 11 Aug 1970 [18 June 1969] 30885/69 Headings E1F and E1H [Also in Division F1] An excavating device comprises a digging bucket, a hydraulic actuator connected to reciprocate a bucket-mouth edge or one or more bucket teeth, and valves adjustable so that the amplitude of reciprocation lies in the range from zero to 1.50 inches and the frequency lies in the range from zero to 150 cycles per second. The valves are preferably adjustable so that the amplitude lies in the range from 0.025 to 0.25 inches, and the frequency lies in the range from 30 to 80 cycles per second. As shown, the actuator may comprise four reciprocable jacks 32 each connected to a tooth 34. Each jack may be connected to more than one tooth or to less than one tooth, e.g. four jacks may be connected to three combined teeth. The bucket-mouth edge, when connected to the actuator, may have one or more teeth. The reciprocable edge may be connected to a tamping plate which may be pressed against the ground by boom jacks 16, 21 while being reciprocated. The plate may be curved, and may be rocked by the boom jack during tamping. Alternatively, the reciprocable edge may be connected to a pile which is pressed into the earth by the boom jacks while being reciprocated.
Patent GB-1330889-A (GB)
Title: Hospital beds
IPC: A61G7/012
Filed: 1970-11-24
Abstract: 1330889 Adjustable Hospital Beds J NESBIT-EVANS & CO Ltd 14 Oct 1971 [24 Nov 1970] 55709/70 Heading A4J [Also in division B8] A hospital bed is provided with a mechanical jack 13 (see division B8) which includes a pair of canting plates (46, 56) Figs. 2 and 3, (not shown), which act on the ram (28) of the jack 13 to lift the ram in one direction and brake the ram against descent in the opposite direction for effecting raising of a mattress support frame 12 relative to a chassis 10, the braking plate (56) being disengageable such that lowering of the support frame is controlled by a hydraulic strut 82. The mattress support frame 12 is supported by an X- frame, the limbs 16 and 18 of which are interconnected by a sliding pivot.
Patent GB-1334677-A (GB)
Title: Pallets
IPC: B65D19/00
Filed: 1971-04-19
Abstract: 1334677 Load handling pallets J A HOWARD and G A SERGANT 19 April 1971 [18 March 1970] 13079/70 Heading B8H A pallet of plastics material comprises a rectangular board 1 which is formed with hollow open-topped legs 2, 3, 4, 6 providing longitudi. nal channels 7 and transverse channels for the reception of a lifting fork and which is also formed with incut recesses 5 to facilitate engagement by lifting hooks or loops. The board may consist of a thick layer of foamed plastics material provided on one or both surfaces with a laminate sheet of unfoamed plastics material. The walls of the legs may be inclined to allow the pallets to be nested.
Patent GB-1334703-A (GB)
Title: Mud deflectors for motor vehicle mud-guards
IPC: B62D25/18
Filed: 1971-05-04
Abstract: 1334703 Foamed polyethylene/ethylene-vinyl acetate copolymer blends IMPERIAL CHEMICAL INDUSTRIES Ltd 4 May 1971 [3 June 1970] 26835/70 Heading C3C [Also in Divisions B5 and B7] A mud deflector for motor vehicle mudguards is made of a composition comprising a foamed cross-linked blend of polyethylene with up to 80% by wt. of a copolymer of ethylene and up to 28% by wt. of vinyl acetate of melt flow index (as defined) of not more than 5. The composition may contain up to 60% by wt. of a filler, e.g. whiting, talc, clay or silica. Zinc oxide may be added to the composition to form cells of even size, together with stearic acid. The cross-linking agent used in the example was α,α<SP>1</SP>-bis-(tert.-butyl-peroxy di-isopropyl)benzene and the foaming agent was azo-dicarbonamide.
Patent GB-1336139-A (GB)
Title: Chain conveyor
IPC: B65G19/28
Filed: 1970-11-23
Abstract: 1336139 Endless scraper conveyers DOWTY MECOLtd 23 Nov 1970 [ 13 Dec 1969] 60898/69 Heading B8A Sigma-type scraper conveyer pans are movably secured together by keeper devices 22 each received within slots 15, 17 formed in flanges 14, 16. The flanges are provided in the V-grooves 8 of the sigma-shaped side members and have recesses for receiving heads 24 of the devices 22. The devices are retained by wires 26 hammered into the form of a U. Deck portions 12, 13 of adjacent pans overlap one another. The devices 22 allow slight longitudinal movement of the pans relative to each other in addition to a limited angular movement, Fig. 5 (not shown). Relative sideways movement between pans is resisted by the engagement of the respective deck portions 12, 13. Bolts may be used in place of the wires, 26.
Patent GB-1339134-A (GB)
Title: Asphalt handling apparatus
IPC: B65G67/04
Filed: 1970-07-31
Abstract: 1339134 Asphalt storage and loading apparatus POWERAY INFRARED CORP 28 July 1971 [31 July 1970] 37155/70 Heading E1G [Also in Division B8]  Asphalt is loaded into containers 20 at a station 32, the containers are then conveyed by an overhead conveyor 26 to a storage bin, maintained in a heated condition by e.g. infra red heater whilst in the bins, and, when required the containers 20 of asphalt are conveyed by the conveyor 26 back to the station 32 and dumped in a lorry 34 by a double carriage tipping arrangement (Division B8). The heaters may be in the bin 12 or in the containers 20. The empty containers 20 are stored in a reserve station and may subsequently be re-filled with asphalt at the station 32.
Patent GB-1341269-A (GB)
Title: Sealed cross-bar switch
IPC: H01H67/26
Filed: 1972-04-26
Abstract: 1341269 Cross-bar switches PLESSEY CO Ltd 26 April 1972 [11 May 1971] 14366/71 Headings H1L and H1N A sealed cross-bar switch has two spacedapart layers of bars 1, 2 of electrically conductive material, the longitudinal axes of the bars 1 of one of the layers being transverse to the bars 2 of the other layer and each bar 1, 2 being provided at each crossing between the bars with a contact member 14, 15 overlapping with a contact member 15, 14 on the crossing bar 2, 1, the co-operating contacts 14, 15 being normally separated (Fig. 2A) and arranged to close when the bar 17 moves its contact 15 (Fig. 2B) before bar 16 moves its contact 14 (Fig. 2C) and bar 17 is restored to its initial position as shown in Fig. 2D. The contacts 14, 15 remain closed if bar 16 returns to its initial position (Fig. 2E, not shown).  The resetting is effected by movement of bar 17 to the Fig. 2B position. The bars 1, 2, 16, 17 are supported on springs 7, 11 within a sealed enclosure which has insulated terminals 12 connected to the bar springs 7. A plurality of bars 1 may be mounted on a common insulating bar 3 secured to the armature 5 of an electromagnet which has poles 9a in a nomagnetic casing 6 or pole 27a (Fig. 8) in a magnetic casing 6 with non- magnetic inserts 6a. Only one of the contact members 14, 15 need be flexible (Fig. 4, not shown) or the contact faces may be parallel to each other at 45 degrees to the bar axes so that one of the electromagnets needs to retain a bar in its operate position to hold the contacts closed (Figs. 5A to 5D, not shown). The lower layer of bars may be provided with 'reservoirs for mercury melted contacts (Fig. 6. not shown). (For Figures see next column.)
Patent GB-1342104-A (GB)
Title: Dashpot timers
IPC: F15B21/10
Filed: 1971-02-24
Abstract: 1342104 Fuzes D S BREED 24 Feb 1971 5348/71 Heading F3A [Also in Division F2] Triggering of the arming mechanism 40, and/ or the self-destruction mechanism of a mine or other ordnance item is delayed by a dashpot 10 comprising a cylinder 16, a loosely fitting piston 14 (which may be ball-shaped, Fig. 2, not shown) and a high viscosity substance as a coating 4 on the cylinder walls. As the piston descends through the cylinder under the action of a plunger 32 biased by a spring 34, the substance in the piston-cylinder clearance is subjected to shear flow in the lubrication region at a Reynolds number less than 1, i.e. viscous forces predominantly over inertial forces. The substance may be liquid alone, or with soaps or powders added (e.g. silicone plus zinc oxide powder) or rubber gums. The ratio of the pistoncylinder clearance to the radius of the piston is 0À01 or less. The cylinder has open ends to equalize the pressure across the piston. The piston is grooved (Fig. 3A, not shown, but see Division F2) to retain the viscous substance. The piston may be metal and the cylinder glass or ceramic to achieve temperature compensation. The cylinder may be stepped (not shown) so that the piston will descend through the upper portion of the cylinder more rapidly than through the lower portion, releasing an arming mechanism after a few milli-seconds and triggering a self-destruction mechanism some time later.