baber/WOPTO huggingface dataset:
Patent GB-1232356-A (GB)
IPC: A01C7/04
Filed: 1969-05-22
Abstract: 1,232,356. Single seed distributers. NODET-GOUGIS, P. LAMAZOU and J. LAMAZOU. 22 May, 1969 [24 July, 1968], No. 26272/69. Heading A1D. In single seed distributers including a seed box 8, a suction box (33), Fig. 5 (not shown), adjacent thereto, and a rotary disc 10 separating the suction box from the seed box and provided with a row of perforations 11 smaller than the seeds to be sown, a selector plate 1 for eliminating seed clusters is mounted adjacent to the rotary disc 10 and has on one of its edges a succession of fixed contact points 5 adjacent to the path of seed clusters held by suction on the said perforations, the points 5 being adapted to disintegrate the clusters by rotating them on the perforations 11. In an embodiment the contact points may be saw teeth (4), Fig. 1 (not shown) distributed over an arc of a circle the radius of which is substantially equal to that of the circumference on which are situated the perforations 11. Alternatively the points may be a plurality of inclined planes 5 or the combination of planes with saw teeth, Fig. 3 (not shown). The selector plate 1, which may be of metal or plastics material, may be adjustable so as to cover more, or less of the perforations 11 and adapt the apparatus for use with seeds of various sizes. An agitator 25 is included in the seed box 8.
Patent GB-1232508-A (GB)
IPC: H01R4/00
Filed: 1969-12-03
Abstract: 1,232,508. Sleeve couplings. SUPERIOR CONTINENTAL CORP. 3 Dec., 1969 [4 Dec., 1968; 30 Jan., 1969], No. 59010/69. Heading H2E. An electrical connector for insulated electrical conductors comprises an insulating sleeve 10 surrounding an electrically conductive joint between conductors and packed with polyethylene grease. The joint may include a malleable metal outer sleeve 14 or 14<SP>1</SP> having within it an inner springy metal sleeve 12 having inwardly projecting barbs 20 (or 17, Fig. 4, not shown), an open end being left on the sleeve out of which surplus grease may be expelled when insulated electrical conductors 18 are inserted into the inner sleeve 12 via the said open end and when the connector is then crushed to deform sleeves 12 and 14 to force the barbs to pierce the conductors' insulation and establish a mechanical electrically-conductive joint. The insulating sleeve may be of polyethylene, have an elastic memory, can be heat shrunk on to the outer sleeve and should extend beyond the end of the said outer sleeve at its own open end by at least the maximum diameter of the said outer sleeve. The outer sleeve may be of annealed brass and the inner sleeve of tin coated, spring tempered phosphor bronze, aluminium alloy or aluminium coated with aluminium alloy. The polyethylene grease may have a flow point below 71‹ C., an average molecular weight below 10,000 and a specific gravity at 25‹ C. below 0À91 and can contain a filler material within the range of 2 to 15% by weight preferably having a surface area per gram of 90 to 150 sq. metres such as finely divided hydrophobic amorphous silica, the mixture or pure grease being heated above 205‹ C. to allow air bubbles to escape if required.
Patent GB-1239594-A (GB)
IPC: B66D1/50
Filed: 1968-10-16
Abstract: 1,239,594. Constant tension winches. F. DURAND. 16 Oct., 1968 [19 Oct., 1967], No. 49172/68. Heading B8B. The drum 1 of a constant tension winch is driven from a reversible motor/brake unit 2 through a pinion 8 meshing with a crown wheel 7 keyed to the drum shaft 4, the pinion 8 being mounted in a casing 13, 19 freely mounted on the shaft 4 but rotationally restricted by a resilient blade 15, any variation in tension in a cable 27 causing appropriate operation of the motor/brake unit 2 due to a control box 20 sensing relative movement between the casing and the winch structure 6. The control box 20 is mounted on the structure 6 and contains contacts operated by a rack 21 and pinion 22, the latter being driven by a rack bar 23 extending from the box 20 and ball jointed to the casing 19. The resilient blade 15 is secured at one end 16 to the structure 6 and at the other end is pinned via a link 14 to the casing 13. The pinion 8 is driven through a reduction gear 3 and a sliding spline and double universal jointed shaft. In the embodiment of Fig. 4 (not shown) the resilient connection between the casing and the structure is formed by a piston and cylinder arrangement in which the piston is spring biased longitudinally in both directions into a central position. In this embodiment the motor/brake unit control box may be fitted to sense the relative movement between the piston and cylinder.
Patent GB-1250392-A (GB)
IPC: G11B25/04
Filed: 1969-01-23
Abstract: 1,250,392. Gramophone. INTERNATIONALE PATENTE ETABS. 23 Jan., 1969 [2 Feb., 1968], No. 3838/69. Heading G5R. A gramophone for stationary records comprises a housing 6 which can be centred relative to the record 8 and an intermediate disc-shaped element 3, mounted on a shaft 10 driven by a motor 4, on which a radially movable transducer head 2 is mounted. Signals from the head 2 are reproduced by a speaker unit 5 mounted on a rotating member 13 or the speaker unit can be fixed and connected to the pick-up head via slip rings. The housing may be supported on three legs 14 which can engage recesses 15 in the record for registering the housing therewith or the housing may be provided, Fig. 7 (not shown), with transparent registration extensions carrying marks which register with marks on the record. Alternatively the lower portion of the housing may be provided with a cover 36 which engages against shoulders 37 on the housing and carries a centring peg 38 for centring a record 8 within the cover relative to the housing. A number of methods of driving the intermediate element 3 from the motor 4 are described including two, Figs. 3 and 4 (not shown), in which the motor is tiltable to drive the element backwards or forwards. A brush arrangement 50, Fig. 10, is provided which acts to clean the record grooves when the pick-up stylus 11 is moved in the normal direction but which pivots to lift the stylus from the grooves when moved in the opposite direction. Figs. 8 and 9 (not shown) show an arrangement for returning the transducer head to its start position on operation of a return lever. In a further arrangement, e.g. for teaching purposes, the record is formed with alternate stylus groove and magnetic track, the student listening to matter permanently recorded in the stylus track and recording on the magnetic track.
Patent GB-1251019-A (GB)
IPC: C08B11/20
Filed: 1970-04-06
Abstract: 1,251,019. Cellulose ethers. DOW CHEMICAL CO. 6 April, 1970 [4 April, 1969], No. 16187/70. Heading C3A.  A process for reducing the viscosity of a cellulose ether by reaction with hydrogen peroxide comprises blending a dry free-flowing particulate cellulose ether having a water content less than 5 wt. per cent with a predetermined amount of hydrogen peroxide, heating the blended cellulose ether at 50-150 C. for a time sufficient to react substantially all the added hydrogen peroxide, and recovering a free-flowing cellulose ether having a lower viscosity measured on a 2 wt. per cent solution at 20. C and pH 7 than the untreated cellulose ether. The ether may be methyl, ethyl, hydroxy-C 2  to C 4 -alkyl, carboxymethyl, sulphoalkyl, methylcarboxymethyl or hydroxypropylcarboxymethyl cellulose. From 0.1 to 5% based on cellulose of hydrogen peroxide may be used in the form of a 10 to 50% aqueous solution.
Patent GB-1251818-A (GB)
IPC: B60G17/048
Filed: 1968-11-19
Abstract: 1,251,818. Self-levelling suspension units; springs. V. LANGEN, [trading as LANGEN & CO.]. 19 Nov., 1968 [13 Dec., 1967], No. 54870/68. Heading F2S. A self levelling suspension unit is of the piston-cylinder type and the cylinder contains a valve element 11 connected by a spring 10 to the piston 2. The valve controls flow of fluid from the cylinder 3 to a source of pressure liquid 19 or to an exhaust 20 in such manner that the piston remains substantially at the level NL. Considering the static case alone, (i.e. changes in piston level occasioned by changes in the static load thereon), the unit is precisely self levelling. The spring 10 however prevents response of the levelling means to dynamic load changes, e.g. shock impacts. The unit may include flowrestricting damping, e.g. at 22. The cylinder space 3 is permanently connected to a hydropneumatic accumulator 21.  Spring forms.-The spring 10 is a helical coil with a hook-like end connection to the valve element 11 and it has an end connector in the form of a helically threaded sleeve 5, 8 into which the spring is screwed, at its other end. This sleeve is slidable between stops 6, 7 in a bore 4 in the piston-rod.
Patent GB-1257382-A (GB)
IPC: G02B21/16
Filed: 1969-03-20
Abstract: 1,257,382. Fluorescent microscope. NIPPON KOGAKU K. K. March 20, 1969 [March 28, 1968], No. 14721/69. Heading G2J. A fluorescent microscope for comparing the fluorescence of a reference image and the image of a test object 6 comprises a source of ultraviolet light 1 and means 4, 5 for directing the light on to object 6 which is caused to fluoresce and throw an image in the plane 7<SP>1</SP> of microscope objective 7, and a fluorescent substance 10 (e. g. uranium glass) receiving a portion of the ultraviolet light and through a light guide 11 superimposing an image of a slit 12 on the object image in plane 7<SP>1</SP>. The light from guide 11 passes an optical wedge 13 having a scale 13a whereby the intensity of a test object can be measured against that of the fluorescent substance. A filter 3 arranged between source 1 and substance 10 passes on by ultraviolet light. The image of the slit 12 is projected by a lens and prism system 14, 15.
Patent GB-1264079-A (GB)
IPC: A43D25/18
Filed: 1970-06-01
Abstract: 1,264,079. Coating apparatus. COMPO INDUSTRIES Inc. 1 June, 1970 [11 June, 1969], No. 26273/70. Heading B2L. Apparatus for applying adhesive to an end portion of an insole comprises an applicator roller 26 with an adjustable gauge stop 86 adjacent thereto such that an insole placed on the applicator roller can be thrust against the gauge stop 86 to move a leg 88 and operate a valve V1 to initate rotation of the applicator roller to carry the insole away from the gauge stop and apply adhesive to the portion initially lying between the line of contact of the insole and roller and the end of the insole contacting the gauge stop. Movement of the gauge stop 86 also initiates rotation and descent of a pressure roll 28 to hold the insole against the applicator roller. The applicator roller is stopped after a rotation of 180‹ and two similar shaped coating areas are provided one on each half of the peripheral surface of the roller so that after one application the second area is in the starting position for the next application step. The pressure roller 28 is supported on arms 60 rotatable on a shaft 62 and is moved upwardly and downwardly by means of a piston and cylinder 76 under control of valve V1. The shaft 34 carrying the applicator roller and shaft 62 have sprockets mounted thereon which are driven from a further sprocket 126, in the case of the applicator roll the drive is direct but in the case of the pressure roller gears are provided between shafts 62 and 58 to allow for movement of that roller towards and away from the applicator roller. The shaft 114 carrying the sprocket 126 is driven by a rack 156 reciprocated by means of a piston and cylinder 140 through a one way clutch 166. The end of the rack engages a valve V4 to reverse its direction of movement at the end of its travel. An indexing pin 168 movable by a piston and cylinder 186 is provided to engage recesses 172 in the surface of a disc 174 to limit rotation of the drive to 180‹. A valve V3 moved by a cam 124 returns the mechanism to its starting position after each partial rotation and an adjustment 128 is provided to vary the starting position of the appliactor roll relative to the insole. The support mounting the gauge stop can be moved towards and away from the applicator roll and two adjustable and pivoting rollers having vertical axes are provided on this mounting to centre the insole relative to the gauge bar. The applicator roller rotates in a heated trough 40 of adhesive and has an internal heating element to maintain the adhesive on the roller in a molten condition.
Patent GB-1266675-A (GB)
IPC: H04B1/034
Filed: 1970-04-02
Abstract: 1,266,675. Radio receiver casings. MOTOROLA Inc. 2 April, 1970 [14 April, 1969], No. 15570/70. Heading H3Q. [Also in Division H1] A portable radio receiver/transmitter casing comprises a rectangular frame 15 of a material which withstands soldering temperature and to which solder does not adhere and means for supporting a printed circuit board 19 with its wiring side flush with the edge of the frame. The components may thus be wave soldered while the printed circuit board is in the frame. The front of the frame is closed by a front cover 28 carrying a microphone/loud-speaker and the back of the frame is closed by a top rear cover 32 carrying a telescopic aerial 41 and a bottom rear cover giving access to the battery compartment 17. If auxiliary equipment is to be included in the radio, another rectangular frame may be inserted between frame 15 and the rear covers, Fig. 5 (not shown). In a modified arrangement, Figs. 7 and 8 (not shown), the battery is secured to the rear cover adjacent the printed circuit board.
Patent GB-1267038-A (GB)
IPC: B64D17/38
Filed: 1969-07-29
Abstract: 1,267,038. Charging and discharging capacitors. J. R. COYLE. 29 July, 1969 [14 Aug., 1968], No. 37891/69. Heading H2H. A system for energizing a load circuit on immersion of a pair of electrodes in a conductive liquid comprises a means for storing an electrical charge connected in series with a normally open switch and terminals arranged to be connected to the load circuit, and a pair of electrodes which when immersed in the liquid are arranged to close the switch through a control means. The arrangement may be used for operating a parachute release mechanism when a parachutist descends into water or the inflation device of a rescue dinghy. A capacitor C 1  is charged through a snatch plug 2, a resistor 12 and diodes 13, 17 from a supply, e.g. from an aircraft or ship. Capacitor C 1  is discharged through a switch 18 and lines 3, 4 which connect to a load (not shown). A pair of electrodes (not shown) when immersed shunt another capacitor C 2 , also charged through resistor 12 and diode 17, through a relay coil 22 thus closing switch 18. In an alternative arrangement, Fig. 3 (not shown), a common capacitor (C 3 ) replaces separate capacitors C 1 , C 2 , and in a modification a normally closed contact (18b) earths one of the load conductors when the arrangement is not in use (see Fig. 4, not shown). Such earthing arrangement is stated to be particularly advantageous with load circuits involving for example pyrotechnic devices.
Patent GB-1288529-A (GB)
IPC: G21C13/073
Filed: 1971-05-27
Abstract: 1288529 Joint-making packing WESTING- HOUSE ELECTRIC CORP 27 May 1971 [8 July 1970] 17526/71 Heading B2F [Also in Division B8] A seal between a flange 11, Fig. 3, of a nuclear reactor pressure vessel and a flange 12 of a closure head comprises at least one annular groove 15, 16 for an 0-ring 13, 14 in the vessel flange, and a retaining ring 21, 22 which is provided with a ledge 23 disposed to underlie the 0-ring and a lip 25, 27 disposed in an annular groove in the closure head flange, the structure providing for handling and supporting the 0-ring. As shown, a pair of metallic tubular 0-rings coated with silver are employed, holes 17 being provided in the high pressure side to aid sealing and prevent collapse. To replace the seals, every time the nuclear reactor is refueled, a portable handling ring 28, Fig. 1, is provided, this being lowered on to the vessel flange 11 after removal of the closure head. The handling ring 28 is provided with eight lifting cams 31 equi-spaced around the ring and rotatable through 90 degrees to locking position shown under the lips 25, 27 by means of fluid pressure rotary actuators 34, preferably pneumatic. Three lifting lugs (36), Fig. 6 (not shown), are provided on the handling ring for manipulation by a crane and four slots (37) aid alignment on the vessel flange. The handling ring together with the captured retaining rings 21, 22 and 0-rings is lifted off the vessel flange and carried to a stationary ring (29), Fig. 5 (not shown), where it is seated and aligned by three pins (30). The lifting cams 31 are rotated to the release position and the handling ring removed to expose the retaining rings and O- rings which can then be removed by hand tools (46) inserted in radial slots (47) in the stationary ring, to ensure separation a hold-down force is applied to the retaining rings by means of eight air cylinders (42) which are mounted on the handling ring and actuate hold-down pins (41) through pistons (44).
Patent GB-1289309-A (GB)
IPC: C01B4/00
Filed: 1968-12-31
Abstract: 1289309 Hydrogen tritium oxide electrolysis ATOMIC POWER CONSTRUCTIONS Ltd 19 Dec 1969 [31 Dec 1968] 61994/68 Heading C7B [Also in Division G6] The toxicity of a liquid containing hydrogen tritium oxide is reduced by converting the hydrogen tritium oxide into hydrogen tritide by electrolysis. The CO 2  coolant in an advanced gas-cooled nuclear reactor contains CH 4  additive which is radiolytically decomposed in the reactor with the formation of CO and water containing hydrogen tritium oxide; the water is removed in a drier and electrolysed to form O 2  and H 2  containing hydrogen tritide. The O 2  is combined catalytically with the CO to re-form CO 2 , and the H 2  is reacted catalytically with part of the CO 2  to reform the CH 4  additive. This process avoids the introduction into the system of argon 41 which occurs when O 2  obtained from liquid air is used to reform the CO 2 .
Patent GB-1289706-A (GB)
IPC: B01J19/00
Filed: 1969-12-22
Abstract: 1289706 Reactor with cooling tube DAICEL Ltd 22 Dec 1969 [27 Dec 1968] 6230/69 Heading B1X and B1F [Also in Division C2] Apparatus, suitable for use in the production of peracetic acid by the catalytic reaction of acetaldehyde with molecular oxygen, comprises an upright reactor vessel 1 containing upright cooling means 2, optionally having fins on its outer surface, the reaction zone between the internal wall or walls of the vessel and the external wall or walls of the cooling tube being divided into at least three (n+ 1) reaction zones 4 by at least two (n) horizontal or substantially horizontal partition plates 3 each having a plurality of perforations, each perforation having an equivalent diameter (4 x cross-sectional area of the perforation -:- circumferential length of the perforation) of not more than 8 mm, the height of each small reaction zone being 0.3-5 times the square root of its horizontal cross-sectional area. The reactants are fed continuously into the lowermost small reaction zone 4, through lines 6 and 7, causing the liquid and gas reactants to flow upwardly through the reactor in concurrent flow relationship with the reactants passing upwardly through the perforations of each partition plate into the next higher small reaction zone while forming and substantially uniformly dispersing the gas bubbles in the liquid in each small reaction zone. The reaction heat is removed by passing a coolant into the cooling tube via lines 12 and 12' to exit at lines 13 and 13'. The reaction product is removed from the uppermost reaction zone 4 n+1  via line 8 for distillation in vessel 5.
Patent GB-1290439-A (GB)
IPC: G06K1/22
Filed: 1970-04-17
Abstract: 1290439 Selective printing J DETHLOFF and H GROTTRUP 17 April 1970 [3 June 1969] 18458/70 Heading B6F A tape 8 and a sheet or web 1 are fed simultaneously beneath a wire printer 15. Both the tape and web have a material which changes colour when subjected to pressure. The tape 8, having passed through a thermal fixing device 9, is wound onto a spool 11, and thereafter constitutes a record which can be mechanically read. The web 1 is transversely cut to form sheets, and thereafter constitutes hard copies. Prior art disclosure.-German Specification 1,152,838 discloses an inking tape which is used for preparing the hard copy in such a way that its layer of ink, when struck by a type, is completely removed, thus producing in the inking tape a negative character which can be mechanically read.
Patent GB-1295217-A (GB)
IPC: E21B3/02
Filed: 1971-05-28
Abstract: 1295217 Rock drills; screwing up tools ATLAS COPCO AB 28 May 1971 [15 June 1970] 17935/71 Headings B3C and B3N [Also in Division E1] A drill string joint breaking means comprises a drill string holder 21, an hydraulic pressure operated chuck 27, an hydraulic motor 32 for rotating the chuck, a conduit 37 (Fig. 6) for supplying hydraulic fluid to the motor and including a control valve 57, a branch conduit 63 supplying hydraulic fluid from the conduit 37 to the chuck, and a delaying valve 75 in the branch conduit delaying chuck closure until the motor and chuck are rotating so that the K.E. of motor and chuck provides torque for joint breaking. The chuck is in accordance with Specification 1,237,859 and is closed by fluid pressure, and the holder is opened by fluid pressure. Except that the non-return valve 75 has a delaying action the drilling apparatus is generally in accordance with Specification 1,238,109. The valve 57 controls the direction of rotation of motor and chuck and during drilling and making and breaking of a joint controls the opening and closing of holder and clutch. A valve 58 controls a linear motor 17 for feeding the drill head 14 comprising motor 32 and chuck, and during introduction and withdrawal of the string controls the opening and closing of the holder and chuck. With valves 57, 58, 61 set at positions b, the drill string 23 is supported by the holder. For drilling, valves 57, 58 are set at positions a and valve 61 is set at position b, the holder being open. -The valve 57 is moved to position b so that a pipe section and swivel may be added to the string which is supported by the closed holder. Valve 58 is moved to position c to raise the head so that drilling may recommence. During withdrawal of the string the valves 57, 58 are set at positions b, c respectively, the holder releasing the string and the chuck gripping and raising the string. The chuck is moved into position for breaking a joint by moving the valve 58 to position a, the string being supported by the holder. The joint is broken by moving the valves 58, 57 to positions b, c respectively, fluid flowing through the branch and valve 75 preventing closure of the chuck before rotation of the motor 32 and chuck. The string is inserted into the hole by setting valves 61, 57 to positions a, b respectively, the insertion being controlled by the valve 58. Both holder and chuck are opened for insertion of the bit, which may be a diamond or core drill, by closing valve 66, moving valve 57 to position b, and moving valves 58, 61 to positions a. In a modification, the holder may be rotated and axially displaced.
Patent GB-1296040-A (GB)
IPC: B31F1/28
Filed: 1969-12-24
Abstract: 1296040 Corrugated paperboard OWENSILLINOIS Inc 24 Dec 1969 [31 Dec 1968] 62938/69 Heading B5N A method of manufacturing a continuous web of moisture-barrier corrugated paperboard formed from at least one liner member and one corrugated member comprises forming at least one of the members by continuously laminating a thermoplastic-coated bag stock to a web of paper stock to form one member and joining this member to the other member. The thermoplastic material may be polyethylene or polypropylene.