baber/WOPTO huggingface dataset:
Patent GB-1389716-A (GB)
Title: Process for the manufacture of colour formers of indoles and  anhydrides of aromatic or heteroaromatic vicinal dicarboxylic  acids colour formers of these classes of substance and their use
IPC: B41M5/124
Filed: 1972-11-22
Abstract: 1389716 Colour formers derived from indoles CIBA-GEIGY AG 22 Nov 1972 [26 Nov 1971 12 Oct 1972] 53978/72 Heading C4P [Also in Division D2] Colour formers of the formula wherein A is a fused-on, optionally substituted benzene, naphthalene or heterocyclic ring; R 1  and R 1 <SP>1</SP> are each H, aralkyl or optionally substituted C 1-18  alkyl (other than aralkyl), or C 3-18  alkenyl; R 2  and R 2 <SP>1</SP> are each H, C 1-6  alkyl or aryl; and R 3  and R 3 <SP>1</SP> are each H or C 1-6  alkyl or alkoxy, which are novel except when (a) A is a fused-on, unsubstituted benzene ring and R 1  and R 1 <SP>1</SP> are H or (b) R 1  and R 1 <SP>1</SP> are C 1-5  alkyl, are prepared by reacting 2 moles of an appropriate 3-unsubstituted indole or one 1 mole each of two appropriate 3-unsubstituted indoles with at least 1 mole of an appropriate benzene, naphthalene or heterocyclic dicarboxylic acid anhydride, in the presence of a condensation agent, e.g. acetic anhydride. The products have use in pressure-sensitive recording materials, either alone or in admixture with other known products such as crystal violet lactone.
Patent GB-1436354-A (GB)
Title: Anchorage device for inclusion in concrete castings
IPC: E04G21/14
Filed: 1973-11-22
Abstract: 1436354 Anchorage device for concrete panels CONSTRUCTION EQUIPMENT Ltd 22 Nov 1973 54215/73 Heading E1W [Also in Division F2] An anchorage device, for embedment in a concrete panel to facilitate lifting thereof, and to allow the fixing of articles thereto in use, comprises an elongate tubular member 10 of plastics or metal, having a screw-threaded metal insert 12 or a threaded end to the inner surface respectively, and having means thereon, e.g. integral transverse tubes 19 to allow the attachment of the panel reinforcement thereto. The device extends right through the thickness of the panel, and has weakening notches 18 to allow its length to be altered according to the thickness of the panel. A reinforcing rod can be inserted in each of two tubes 19 and connected to adjacent reinforcing rods. Caps (20), (21), (Figs. 4,5, not shown) are supplied, to cover the bore during the casting and when the panel is in use, respectively.
Patent GB-1367015-A (GB)
Title: Weft selector for a shuttle-less loom
IPC: B29C48/32
Filed: 1972-11-24
Abstract: 1367015 Weft selector mechanism; shuttleless looms LEBOCEY INDUSTRIE 24 Nov 1972 [24 Nov 1971] 54445/72 Heading DIE A selected weft thread 3 2  in a slot 5, of a weft selector is movable from its notch 3, in a slide 1 responsive to a pattern, by a presentation member 13 through a passage 9 and past a catch 8 into a 'V' opening 7 where it is gripped by a gripper shuttle for transfer across a loom. The catch 8 is released during beat up of the preceding pick by abutment of a lever 11, which is pivoted about 11 3 , by a coupling 11 2  to a battern of the loom.
Patent GB-1409936-A (GB)
Title: Prostaglandin-type compounds
IPC: C07C401/00
Filed: 1973-11-23
Abstract: 1409936 Prostaglandins ROUSSEL UCLAF 23 Nov 1973 [23 Nov 1972] 54533/73 Heading C2C Novel compounds of Formula I (in which R=H or C 1-4  alkyl, R 1  = H or C 1-2  alkyl, R 2  = H or α-tetrahydropyranyl, m = 3, 4 or 5 and n=2, 3 or 4) and the base salts of those compounds in which R = H, are prepared by reacting a compound of Formula II with a compound of formula and, if desired, converting a resulting compound I in which R = H into a base salt. Pharmaceutical compositions having hypotensive, smooth muscle contracting, antibron - choconstrictive and antilipolytic activity, for oral, parenteral, rectal or topical administration, comprise one of the above novel compounds together with one or more pharmaceutical carriers or excipients. The compositions may also be in an aerosol form.
Patent GB-1436366-A (GB)
Title: Electric lampholders
IPC: H01R33/22
Filed: 1973-11-28
Abstract: 1436366 Lampholders IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd 18 Dec 1974 [28 Nov 1973] 55083/73 Heading H2E A dome for joining a conduit to the part of a lampholder that receives the base of a lamp comprises a central portion 2 integral with end portions 3, 4, there being a passage 5 through the wall of the central portion and a screw-threaded bore 6 extending from an internal surface of the dome to the passage. The wall of the central portion has a thickened section (7) where the passage 5 and bore 6 are formed. In use, an earth wire is engaged in the passage 5 by a screw in the bore 6, and a conduit is received in the screw-threaded bore 8 of the portion 3 held by a screw 11 engaging a groove 9, while the portion 4, which is externally screw-threaded, is engaged with the part receiving a lamp base. Spanner-engaging flats (12, 13) are on portions 3, 4. A knock-out portion 15 is defined by weakened lines 14.
Patent GB-1485376-A (GB)
Title: Measurement of penetration resistance
IPC: G01N3/48
Filed: 1974-11-28
Abstract: 1485376 Measuring soil resistance; depth gauges DUNLOP Ltd 28 Nov 1974 [28 Nov 1973] 55166/73 Headings G1M and G1S The resistance of soil, e.g. the surface of a racecourse, to penetration is measured by placing the device of Fig. 7 vertically on the ground serface so that it is supported by the flanged cover part. A powder powered gun shown dotted is then fired to drive the inner piston and an annular cylinder mounting a gauge pin into the soil. The distance the cylinder penetrates and the soil resistance is indicated by the graduated pin against the cover part. Fig. 6 (not shown), has a datum mark on the pin (70) indicating on a stepped or castellated gauge portion (72) on the cover. In a modification the gun may be arranged to act initially on an intermediate piston member which in turn strikes a penetration element. In Fig. 5 (not shown), the cylinder comprises a stack of annular stepped disks (60), the number of disks entering the soil giving a measure of its resistance. In another embodiment Fig. 3 (not shown), the cover is merely provided with a hole through which a depth gauge, see also Heading G1M, may be pushed to measure the depth of the cylinder after firing. In Fig. 2 the depth of the cylinder 20 after firing is measured by rotating a measuring drum 29 having an internal cam surface 30 which may be rotated until it engages the top of a pin 31 sitting on top of the now depressed cylinder. The degree of rotation of the drum is indicated by a mark 33 against a scale 32. Fig. 4 (not shown), illustrates a variation of this embodiment. In Fig. 1 the penetrating cylinder held lightly by springs 10 in a shield 3 standing on the ground itself supports a piston 7 attached to a measuring pin 11. A gun (not shown), seated over the piston 7 may be fired to drive the pin 11 and the cylinder 1 down into the ground, the resistance of the soil being indicated by the height a friction held slider 14 is driven up the pin from a datum line. In a modification the pin 11 and slider 14 are omitted and a scale is provided on the outer surface of 1. Where the depth of penetration is to be measured manually as in Fig. 3 (not shown), a depth gauge Fig. 3a may be used which comprises a piston outwardly movable from a casing by means of a screw cap 44 having a pin and slot connection with casing 43. In Fig. 3b a piston 46 is moved downwardly in its casing 47 to allow a central probe 45 to drop down against the inner end of the soil penetrator, the probe then being held at the depth to be gauged by releasing the plunger 46 which rises and expands internal clutch fingers forming parts of the casing 47 into friction engagement with the piston side.
Patent GB-1326398-A (GB)
Title: Oxidation of dialkylphenols
IPC: C08G65/44
Filed: 1970-11-24
Abstract: 1326398 Oxidation of dialkyl phenols ATLAS CHEMICAL INDUSTRIES Inc 24 Nov 1970 [24 Nov 1969] 55819/70 Heading C2C [Also in Division B1] 2,6-Dialkyl phenols are oxidized to form a mixture of 2,6-dialkylquinone, the corresponding diphenoquinone and a polyphenoxy ether in which at least 25% of the alkyl groups have been oxidized by heating a mixture of a 2,6-dialkyl phenol, a solvent consisting of tertiary amyl alcohol, tertiary hexyl alcohol or methylisobutyl ketone and a catalyst consisting of a mixture of cupric or ferric nitrate and a salt selected from palladium chloride, palladium acetate, ruthenium chloride or rhodium chloride while simultaneously contacting the mixture with an oxygen-containing gas. The products have the formulae in which X is an alkyl radical; R is alkyl, hydroxyalkyl, carboxyalkyl, alkanoyl or a group COOR, in which R 1  is alkyl or 2,6- dialkyl phenyl, at least 25% of the group R containing hydroxy, carboxy, or carbonyl groups; and n is 2-30. Examples describe the oxidation of 2,6-xylenol, 2-methyl-6-ethylxylenol, and 2,6-dipropyl phenol.
Patent GB-1415537-A (GB)
Title: Photographic silver halide material associated with an oxichromic compound
IPC: G03C8/10
Filed: 1972-12-08
Abstract: 1415537 Oxichromic compounds EASTMAN KODAK CO 8 Dec 1972 [10 Dec 1971 22 Nov 1972] 56692/72 Heading C2C [Also in Division G2] The compound of the formula is prepared from 2,3-dichloro-4-hydroxy-5- methyl-phenylamine and a 2,5-substituted phenol in the presence of Na 2 CO 3  and The corresponding compound where OH is replaced by O-CO-CF 3  is prepared treating the above compound in dry tetrahydrofuran containing dry pyridine with trifluoroacetic anhydride. The corresponding compound where the carbonate groups are reduced to hydroxy groups and the iminoquinone group to aminophenol is prepared by hydrogenation at 35 lb/in.<SP>-2</SP> over Pd/C. 1-Hydroxy-4-(2-amino-4-carboxyphenoxy) - 2 - {N - 8 - [2,4 - di - t - amylphenoxy]-butyl}naphthamide is prepared by hydrogenation over Pd/C of the corresponding nitro compound. The compound of the formula is prepared from 8-(2,4-di-tert-amylphenoxy) butylamine and 1-hydroxy-4-(-2-nitro-4-carboxyphenoxy) - 2 - naphthoyl chloride in dioxane in the presence of dimethylamine. This compound is catalytically hydrogenated at 45 lb/in.<SP>2</SP> at 25C. over Pd/C to give Intermediate A. To 1 equivalent of the compound of the formula in 20 x volume acetic acid containing 1 equivalent dissolved acetic acid is added 1 equivalent of granular m-chlorosulphonyl-benzoylchloride to give Intermediate B. One equivalent each of Intermediates A and B are dissolved in 20 x volume dry acetone containing 1 equivalent Na 2 CO 3  and refluxed for 16 hours to give a compound of the formula
Patent GB-1115139-A (GB)
Title: Hydraulically operated friction clutch having a dump valve
IPC: F16D13/69
Filed: 1966-12-29
Abstract: 1,115,139. Friction clutches. TWIN DISC Inc. 29 Dec., 1966 [13 Jan., 1966], No. 58169/66. Heading F2C. To facilitate immediate disengagement and prevent idle drag due to centrifugal pressure of residual oil in the pressure chamber 7 of an hydraulicallyapplied multi-disc friction clutch when a supply valve V, connected to the chamber 7 through passages 8, 9, 10, is cut off, the engaging piston 6 has bleed holes 30, 31 between the pressure chamber 7 and its front engaging face and is recessed at (29) (Fig. 3, not shown) to house a corrugated spring S which serves to axially separate the piston 6 and the first clutch plate 15a, whereby centrifugal idle pressure is free to drain, normal engaging pressure simply distorting the spring S to close the bleed holes against the clutch disc to enable build-up of engaging pressure. Belleville springs 24 between the clutch discs additionally serve to separate and free the discs on clutch release. The bleed holes 30, 31 are arranged at the radially outer and inner edges of the piston-engaging face to permit one or other to function in the event of the first clutch plate 15a being buckled or bent (Fig. 5, not shown).
Patent GB-1175050-A (GB)
Title: A method of and apparatus for cutting or joining a part or parts of the submerged surface of a structure
IPC: B63B9/04
Filed: 1966-12-30
Abstract: 1,175,050. Apparatus for cutting and joining floating hulls. MITSUBISHI JUKOGYO K.K. 30 Dec., 1966 [29 July, 1966; 30 July, 1966; (3). 1 Aug., 1966; 4 Aug., 1966; 5 Aug., 1966], No. 58480/66. Heading B7S. Apparatus for cutting or joining a part or parts of a submerged surface 6 of a structure comprises a waterproof band 1 which has a longitudinally extending recess 4 and longitudinally extending sealing means for sealing the band to the submerged surface with the recess adjacent the surface, rope 12 to fix the band to the structure by being tightened by equipment 15 and to press the band against the surface to create a watertight working zone in the recess. In the embodiment shown the sealing means comprises inflatable hollow rubber packing 7 inserted in recessed longitudinal grooves 8. The grooves can instead be filled with a foaming synthetic resin or a waterproof putty. Sea water frozen inside the grooves 8 may also be used.
Patent GB-1248420-A (GB)
Title: An improved process for manufacturing pre-formed floor coverings especially for use as mats for motor vehicles
Inventor: TASCA SILVIO
IPC: D06M23/14
Filed: 1968-12-10
Abstract: 1,248,420. Laminated floor coverings. S. TASCA. 10 Dec., 1968 [11 Dec., 1967], No. 58569/68. Heading B5N. A process for making pre-shaped floor coverings comprises applying a mat of synthetic, natural or mixed fibre to one face of a backing of cloth, netting or sheet of heat-sensitive plastics material, the mat being then needled to the backing, impregnated with resin, dried and then raised to the curing temperature of the resin and pressed to shape so that when cold it will retain the form imparted to it, the pressing treatment being carried out at the same time as the curing of the resin.
Patent GB-1455117-A (GB)
Title: Treatment of alloys
IPC: C22F1/10
Filed: 1972-12-21
Abstract: 1455117 Heat-treating nickel alloys DEFENCE SECRETARY OF STATE FOR 18 March 1974 [21 Dec 1972] 59147/72 Heading C7A Nickel alloys containing at least two different types of precipitate phase and which have been subjected to creep deformation are heated to a temperature at which only one of those phases is dissolved and are then aged to re-precipitate that phase, the second phase acting to restrain grain growth during the heat-treatment. As particularly exemplified, an alloy containing (by wt.) 15% Cr, 20% Co, up to 5% Mo, up to 5% Al, up to 1% Ti, and up to 0.2% C, balance Ni is treated at 1050‹C for 16 hours followed by 16 hours at 850‹C, while an alloy containing 15% Cr, 15% Co, up to 5% Mo, up to 5.5% Al, up to 4À5% Ti and up to 0À2% C is treated at 1020‹C for 2 hours and aged by air cooling.
Patent GB-1486425-A (GB)
Title: Control systems for battery charges
IPC: H02J7/10
Filed: 1973-12-21
Abstract: 1486425 Battery charging systems J A MACHARG 4 Dec 1974 [21 Dec 1973] 59626/73 Heading H2H A control system for battery charger includes means for switching off the charging current repetitively in order to provide an open circuit terminal voltage during the "off" periods, means for extracting the "IR drop" at the battery terminals, means for differentiating the decay of the open circuit terminal voltage during the "off" periods, and means responsive to the differential to vary the control signal so as progressively to reduce the charging current. The Specification describes three systems each similar to that disclosed in Specification 1,453,860. As shown in Fig. 1, A.C. or rectified A.C. is controlled by at least one thyristor 12 using phase controlled or zero current switching under control of a control voltage output stage 18, a gate 16 and a trigger module 14, so as to control the charging of battery B. The gate 16 is controlled by a timer 24 so as to provide repetitive on and off periods of charging current. During each off period, the open circuit voltage of battery B is differentiated by a CR circuit 30 (Fig. 8, not shown), the resistor being short circuited at the beginning of each off period so as to eliminate the IR drop. The differential is amplified at 32 and fed to a comparator 34 which, if the rise is significant, feeds a signal to a limiter 36 and store 38 which provides a signal for a capacitor discharge stage 20 partially to discharge capacitor C and so notch down the charging current for battery B. A bi-stable circuit 22 is included to hold capacitor C charged until gassing has commenced (as indicated by the rise in the differential form 30). As soon as gas has been sensed, circuit 22 will switch to its other state and thus allow capacitor C to notch down the charging current. In Fig. 2 (not shown) the differential from 32 is fed to a peak memory which is repetitively cancelled by a pulse from timer 24. When the peak memory has stored a signal indicating gas generation, an AND gate is enabled which causes the timer to reduce the charge on capacitor C which has the effect of notching down the charging current controlled by thyristor 12. In Fig. 3 the output from the peak memory 40 is applied to a rise detector and memory 46 which has a cancelling circuit 48 controlled by the timer 24. The memories 40, 46 co-operate with a gate 50 which is only enabled after a peak in the differential has been reached. This is a sign of complete polarization of the battery B. Only then is a signal from timer 24 allowed partially to discharge capacitor C and thus notch down the charging current. Figs. 4-12 (not shown) relate to transistor circuits for the various blocks shown.
Patent GB-1367176-A (GB)
Title: Sealing means for plastics packages
IPC: B65B51/30
Filed: 1971-12-23
Abstract: 1367176 Forming filled packages TETRA PAK CARTA SAS 23 Dec 1971 [7 Jan 1971] 59973/71 Heading B8C [Also in Division B5] A device for sealing a filled plastics tube, e.g. of polyvinyl chloride, comprises two jaws 15, 17 each formed with a gripping plate 30 of electrically insulating material supporting a welding electrode 16, the jaws having substantially flat gripping surfaces on opposite sides of the electrodes 16 so that when the electrodes and adjacent gripping surfaces come together with the filled tube between them the contents of the tube can be displaced from the sealing zones and the areas nearby. The sealing jaws have stainless steel base plates and each electrode 16 has a conduit 27 therethrough for the circulation of a cooling medium. Preferably, the working faces of the electrodes 16 project beyond the faces of the plates 30. The sealing device forms part of a packaging device described in Specifications 1,367,175 and 1,367,177, Fig. 1 (not shown).
Patent GB-1275959-A (GB)
Title: Machine for drying tanned hides
IPC: C14B1/44
Filed: 1969-12-16
Abstract: 1275959 Stretching and drying leather H SCHOLZ and E SCHOLZ [trading as BAYERISCHE MASCHINENFABRIK F J SCHLAGETER] 16 Dec 1969 [28 Dec 1968] 61240/69 Heading C6C In apparatus for drying leather of the kind having a pair of endless felt belts 12, 13 adapted to be urged towards each other by means of pressure rolls 10, 11 to grip a piece of leather 5, the belts 12, 13 are driven continuously and, after insertion of the leather between the belts, a rubber roll 6 and a stretcher roll 7 are moved towards each other to grip the leather, the stretcher roll being driven in the opposite direction to that of the adjacent pressure roll 10, so that the leather is stretched as it is being fed between the felt belts 12, 13. The leather is dried in a single pass, each piece 5 being moved in turn to place its forward end between the pressure rolls 10, 11 by an automatic feed device. In Fig. 1, the feed device is a horizontally reciprocating table 2 incorporating a feed roller 4. Alternatively, two feed tables attached to an endless belt may be used, Fig. 4 (not shown). In a further modification, Figs. 5 and 6 (not shown), the pieces (5) of leather are in turn drawn from a fixed table by a pivoted arm (23) having a gripping device (25) at its free end, the arm being reciprocated between the rubber roll (6) and the stretcher roll (7) while these are open to move the piece (5) on to a forwardly extending portion of the lower felt belt (13), a pre-press roller (26) being arranged above this portion to sammy the leather prior to its passage between the pressure rolls (10, 11).
Patent GB-614325-A (GB)
IPC: G01B5/20
Abstract: 614,325. Electric indicating systems. MITCHELL, J. H. Nov. 2, 1945, No. 29140. [Class 40 (i)] The pitch angle of a variable-pitch propeller blade is determined by measuring the phase difference of electric signals derived from a pair of pick-ups, electromagnetic, photo-electric or electrostatic, each associated with an intermittent circuit control device rotated with the propeller shaft, the control devices being relatively displaceable in accordance with propeller pitch to produce a corresponding phase difference of the signals. As shown, pick-ups 3<SP>1</SP>, 3<SP>2</SP>, Fig. 1, co-operate with phonic wheels in the form of toothed rings 1, 2. The ring 1 is rigid with the spider 5 secured to the propeller shaft 6 and so rotates therewith. The ring 2 rotates with ring 1, but is mounted on a friction ring 7 for limited angular movement relative to ring 1. As the propeller blade 8 is varied in pitch, the variation is transmitted through a toothed segment 10, ring gear 12, and spur gears 17, 19 to a ring gear 20 to which the phonic wheel 2 is secured. A variation in propeller blade pitch thus causes a corresponding angular displacement of ring 2 relative to ring 1 with a corresponding phase displacement of the signals generated in the pick-ups. This phase displacement is measured in known manner to indicate the propeller pitch. The reduction gearing between the blade 8 and ring 20, not only provides a positive drive for the ring 2 but ensures that for maximum variation of propeller pitch the angular adjustment of ring 2 is less than one tooth. In another embodiment, Fig. 2, a pitch adjustment of the propeller blade 8 is transmitted as before through a toothed segment 10, ring gear 12 and spur-wheel 24 to rotate correspondingly a stub-shaft 25. The shaft 25 in this case carries oppositely threaded portions 26, 27 screwed into the two phonic wheels 1, 2 which are thereby moved axially in opposite senses on the spider 5. The teeth of these wheels are made oblique and so produce a corresponding phase displacement in the pick-up signals. A number of stub-shafts operating similarly to 25 on the rings 1, 2 are mounted equiangularly around the propeller shaft to produce a balanced action. Alternatively, the relative displacement of the phonic wheels may be effected by a reduction leverage and they may be rotated by the propeller pitch control mechanism instead of as shown. When the power developed by an aircraft engine bears a definite relationship to its propeller pitch, the indication obtained as above may also be used to represent engine power or torque.
Patent GB-1235400-A (GB)
Title: Dispensing mechanism for ice cream bars
Inventor: ANDREWS BOLEY ADAM
IPC: G07F9/10
Filed: 1969-12-17
Abstract: 1,235,400. Endless conveyers. VENDO CO. 17 Dec., 1969 [6 Aug., 1969], No. 61636/69. Heading B8A. [Also in Division A4] A dispenser of articles, e.g. ice cream bars, comprises at least a pair of continuous conveyers, 18-18<SP>111</SP> lying in a plane one within the other and supported in rectangular fashion on corner spools 22 one of which for each conveyer is driven by a motor 54. Each link of a conveyer has secured to it a box carrier open at one side for holding articles and on one side of the rectangle they pass a dispensing opening 102 through an inner insulated door 17 and an outer door 15. On a coin being inserted at 108 and a selector switch 106-106<SP>111</SP> being depressed, one conveyer is driven until an article is presented at the opening, and a cam 80 actuates switch 90 to stop the conveyer. The motor is carried by door 17 and has a drive head engaging a key on a spool shaft when the door closes. In a further embodiment two pairs of concentric conveyers are placed side by side with the dispensing opening bridging adjacent sides of the two rectangles.