baber/WOPTO huggingface dataset:
Patent GB-998858-A (GB)
Title: Water-insoluble dyestuffs of the anthraquinone series and a process for dyeing textile materials therewith
Inventor: BENNETT GEORGE ARTHUR
IPC: C09B1/515
Filed: 1962-08-13
Abstract: Anthraquinone water-insoluble dyes of the general formula <FORM:0998858/C4-C5/1> in which R and R1 represent hydrogen atoms, lower alkyl or acyl radicals, Y is an aliphatic, cycloaliphatic, araliphatic or aryl radical and the benzene nucleus W may be further substituted except by halogen, nitro, or amino radicals, the molecule is devoid of carboxylic and sulphonic acid groups, and n has the values 1-3, are prepared by acylation of a compound of formula <FORM:0998858/C4-C5/2> with an acid derivative of formula Y.COOH, W, Y and n having the meanings as above. The reaction is preferably carried out in a basic solvent, e.g. pyridine at 0-100 DEG C., the product being isolated by addition of water or other non-solvent. An excess of acylating agents may be used and if the reaction is not done in a basic solvent N-acylation may take place, several examples where N-acylation occurs are provided. As acylating agents acetyl chloride, benzoyl chloride, acetic and benzoic anhydrides are specifically referred to, others are specified, many examples of substituent values for Y are given. Mixed derivatives of the dyes are also prepared.ALSO:The invention conprises a process for dyeing and printing synthetic fibres particularly cellulose acetate and triacetate fibres, also polyamides, polyesters and polyacrylic fibres in which single dyes or mixtures of disperse dyes having the general formula <FORM:0998858/D1-D2/1> in which R and R1 are hydrogen, lower alkyl, or acyl radicals, the benzene ring X may carry substituents except halogen, nitro and amino groups, Z is hydrogen, or a substituted or unsubstituted lower alkyl, cycloalkyl, aryl or aryl radical, the molecule being devoid of carboxylic and sulphonic acid groups, are used.  The term "lower" indicates less than 8 carbon atoms. Many examples of X, 2 and R and R1 are given.  Conventional methods and assistants for dyeing and printing are given.
Patent GB-1320154-A (GB)
Title: Double lift dobby
IPC: D03C1/06
Filed: 1970-06-25
Abstract: 1320154 Double-lift open-shed dobbies STAUBLI & CO Gebr 25 June 1970 [25 June 1969] 30989/70 Heading D1E In a Hattersley dobby, the hooks 11 and draw knives 12 run in a common guideway, consisting of upper and lower walls 13 and 14, such that when the hooks and draw knives are interengaged they cannot slip out of engagement with each other. The hooks 11 consist of rocker levers pivoted on slide blocks 6 -running between the walls 13 and 14, which slide blocks are connected by arms 9 to the baulk 8. The hooks are brought into engagement with the knives by pins 15 which are actuated by a pattern reading mechanism as described in Specification 1320154. The hooks are retained in the rearward position by the engagement of one end of the hook in a notch 62 under the pressure of a spring 58. The hooks 12 are also pivotably mounted on slide blocks 40, Fig. 3 and are pivoted at the rearward position to bring them into engagement with the hooks by guide rods 42 attached to the knives and slidable in blocks 43 mounted at the ends of rocker levers 44 which are oscillated by a cam 41. The knives 12 are reciprocated by a pair of conjugate cams acting on a rocker lever 37 which is connected at either end to connecting rods 36 which at their other ends are connected to the slide blocks 43. Positive return of the healds is obtained by having a rounded surface 60 on the ends of the draw knives which can bear on a concave portion 61 of the slide block 6.
Patent GB-957882-A (GB)
Title: Improvements in or relating to time-base circuit arrangements
IPC: H03K4/84
Filed: 1962-08-14
Abstract: 957,882. Sawtooth generating circuits. PHILIPS ELECTRICAL INDUSTRIES Ltd. Aug 14, 1962 [Aug. 17, 1961], No. 31163/62. Heading H3T. [Also in Division H2] In a circuit for generating a sawtooth wave in a coil, operating in the so-called " flyback driven " manner (see, for example, Specification 821,517) the output transformer is so arranged as to minimize the magnetization of the core. A typical basic circuit comprises a capacitor C 1  which is charged during the long stroke from a supply Vb through a preferably large impedance L 1 . To produce the flyback a controlled rectifier T is rendered conductive and the energy of the capacitor is resonantly transferred to the inductive output circuit comprising deflection coils Ls, the output transformer 2 and an " overawing " coil L 2 . When the oscillation in the resonant circuit reverses diode D becomes conductive thereby clamping the voltage across the inductive system so that a linear long stroke occurs as the indictive energy is returned to the supply and as the capacitor C is charged again through L 1 . If the circuit is rearranged as shown in Fig. 2 the turns ratios may be selected so that the mean magnetization of the transformer core is zero. The winding n 1  may be formed as two parallel windings carrying charging and feedback currents respectively and provision may be made to generate an E.H.T. voltage, in which case adjustment of the turns ratio is necessary to maintain the mean magnetization small. In Fig. 8 (not shown) the circuit is modified to provide a series " B boost " while in Figs. 9 and 10 (not shown) the circuit is rearranged to effect a further reduction in the mean magnetization. Specification 949,535 also is referred to.
Patent GB-143154-A (GB)
Title: Improved razor strop
IPC: B24D15/10
Filed: 1919-12-12
Abstract: 143,154. Fleming, J. R. Dec. 12, 1919. Strops.-A razor strop comprises a pair of spring jaws 1 lined with cork or other stropping material 3, and adapted to be opened by finger-levers 5. The blade to be sharpened is inserted repeatedly between the jaws and quickly withdrawn.
Patent GB-806394-A (GB)
Title: Regenerating and recirculating systems for solid/liquid suspensions, in mineral dressing and other plant
IPC: B03B5/44
Filed: 1956-10-12
Abstract: 806,394. Gravity-separation apparatus. STAMICARBON N.V. Oct. 12, 1956 [Oct 14, 1955], No. 31164/56. Class 46. [Also in Group II] In a mineral dressing plant in which a solid / liquid suspension is supplied to a feed point and is recovered as a dilute fraction and an undiluted fraction, a suspension regenerating and pumping circuit is provided in which dilute suspension is supplied to a static thickener and discharged at the required concentration, the undiluted fraction passing to the thickener below the level at which the dilute fraction discharges into the thickener, and the total quantity of suspension discharging as one fraction from the thickener is pumped to the feed point. The fractions from a hydrocyclone separator discharge at 7, 8 and are screened on screens 9, 9<SP>1</SP> according to Specification 791,520 and pass to further screens 10, 10<SP>1</SP>. The drainedoff suspension passes into a thickener 30 emerging below the surface. The fractions are then sprayed at 11, 11<SP>1</SP> and the dilute suspension passes via a hydrocyclone 24 to the thickener. Any magnetic particles in the discharge 26 of the hydrocyclone are returned to the line 25 by the magnetic separator 27. Thickened suspension is pumped back to the feed point 4. The dilute suspension is introduced into the thickener in the annular zone between the wall 31 and tube 32 and the undiluted suspension is fed into the tube 32. Tube 32 is capable of being displaced axially or has a moveable lower section 37 thereon.
Patent GB-1133186-A (GB)
Title: Improvements relating to compressor driven refrigerating units for air conditioning plants
IPC: F24F5/00
Filed: 1967-07-06
Abstract: 1,133,186. Valves. I. PELLIZZETTI. 6 July, 1967 [17 Nov., 1966], No. 31254/67. Heading F2V. A valve 4 in the suction line of a refrigeration system is arranged to close when the high side pressure exceeds a predetermined value. The valve member 6 is connected to a piston 12 which is urged to the right by a spring 9 and to the left by the pressure in a chamber 13 which communicates with the compressor discharge line through line 14. A passage 15 in the valve seat 7 ensures that a small amount of refrigerant flows from the valve inlet 5A to the outlet 5B when valve member 6 is in its closed position. The system is used for air conditioning in a vehicle.
Patent GB-280967-A (GB)
Title: Improvements in or relating to speed indicators
IPC: G01P11/00
Filed: 1927-11-21
Abstract: 280,967. Sagnier, I. Nov. 20, 1926, [Convention date]. Addition to 269,926. Average speed, measuring directly.-A block A is slidable on rods M, N fixed to nuts D, C on distance and time-driven shafts K, L, an arm G geared to a pointer V being pressed by its own weight or by a spring against a pin carried by the block. The pin is movable parallel to one of the shafts K, L against the action of a spring R<1>. Clockwork R drives the shaft L, the shaft reversing when the clock is wound to return the nut C to its original position.
Patent GB-1222813-A (GB)
Title: Rear view mirrors for road vehicles
Inventor: BAKER ALFRED DICKENS
IPC: B60R1/04
Filed: 1967-07-07
Abstract: 1,222,813. Rear view mirrors. JOSEPH LUCAS (INDUSTRIES) Ltd. 27 June, 1968 [7 July, 1967], No. 31443/67. Heading B7J. A vehicle interior rear view mirror comprises a sheet metal mounting plate 31 securable to the vehicle body and having a substantially triangular hole 34 with a resilient wall; a reflective element 19 mounted in a synthetic resin housing 11; a mounting bracket 25 formed at its end remote from the housing into a spigot 28 of substantially triangular cross-section which is detachably engageable in the hole 34 in such a manner that rotatory movement of the bracket about the axis of the spigot is resisted unless the mirror suffers a violent impact. The longitudinal edges of the spigot 28 have transverse grooves 30 intermediate their lengths. The resilient wall is provided with cut-aways from the apices of the hole and the initially convex edges of the latter are bent back into flaps 35 parallel with the wall so as to form straight beaded edges 36. In such an arrangement it is possible by virtue of the flexibility of the flaps to engage the spigot in the hole by inserting the spigot into the hole and rotating the bracket so that flaps 35 fit into grooves 30. The reflector 19 which may be formed from a moulded transparent synthetic resin, can be adjusted in order to provide a bright or dim image for the driver in a similar manner to the adjustment of a mirror in another embodiment described with reference to Fig. 2 (not shown). In a modification, a glass reflector is mounted in a metal shell in turn adjustable in a housing.
Patent GB-446821-A (GB)
Title: Method and apparatus for hardening the surfaces of metal articles
IPC: C21D1/08
Filed: 1934-11-02
Abstract: 446,821. Surface - hardening metal articles. I. G. FARBENINDUSTRIE AKT.- GES., Frankfort-on-Main, Germany. Nov. 2, 1934, No. 31498. Convention date, Nov. 2, 1933. [Class 72] In the surface-hardening of metal articles of varying cross-section, particularly the flanks of toothed wheels, by means of a burner, the distance of the burner from the surface is automatically increased as the flame of the burner reaches parts of the article of reduced cross-section and decreased for parts of increasing cross-section or the burner is moved at a constant distance from the surface and its velocity increased for the parts of reduced cross-section and decreased for parts of increasing cross-section. In the first form, Fig. 2, the burner 3 is mounted on a forked guide 2, the holder 1 being given a uniform straight line motion. A roller 7 on the burner 2 is kept in contact with the cam surface 5 of a plate 4 so that when the roller 7 moves along the surface 5 the distance of the burner from the article is altered. In the second form, Fig. 4, the burner holder 13 carried by the bed B is given a straight line motion at a constant distance from the article and the velocity of the burner is altered by the engagement of roller 12 with a cam plate 9 fixed to the holder 13. The roller 12 is mounted on a rod 11 connected to a friction disc gear 10 by which the velocity of the holder is adjusted. The motion of the holders 1, Fig. 2, and 13, Fig. 4, is effected electrically and controlled by suitable switching means operated by a time release device and relay gear, springs X, Y being provided which when the holder contacts with them close a circuit to cause the time release device to come into operation. To avoid overheating at the end of the flank of the tooth, that part is covered by a suitable heat resisting substance such as kaolin.
Patent GB-392544-A (GB)
Title: Improvements in or relating to gas purification
IPC: C10K1/08
Filed: 1931-11-16
Abstract: 392,544. Gas-washing plant. KOPPERS CO. OF DELAWARE, Koppers Building, Pittsburg, U.S.A.-(Assignees of Bragg, G. A.; 6666, Woodwell Street, Jacobson, D. L. ; 5677, Hobart Street, both in Pittsburg, and Wilson, P. J. ; 410, Maple Lane, Edgeworth, both in Pennsylvania, U.S.A.) Nov. 16, 1931, No. 31752. Convention date, Dec. 16, 1930. [Class 55 (ii).] In the removal of ammonia and sulphuretted hydrogen from fuel gas by treatment of a divided gas stream, a part passes through a sulphuric acid bath 4 to remove its ammonia and then through a cooler 10 before mixing with the remaining fuel gas in the pipe 3. The combined stream of gas then flows to a sulphuretted hydrogen absorber 20 and the purified gas passes to storage through pipe 27. The fouled liquor from the absorber may be treated in an actifier 33. The absorbent liquor may comprise a neutral or slightly alkaline solution containing a compound of an element of the tin group of qualitative analysis, such as a thio-arsenic compound. Specification 280,165, [Class 55 (ii), Gas manufacture &c.], is referred to.
Patent GB-467152-A (GB)
Title: Improvements in the case-hardening of centrifugal castings
IPC: C23C10/36
Filed: 1936-11-20
Abstract: Centrifugal castings of ferrous metal, e.g. cast-iron liners, are case-hardened by subjecting them to prolonged heating in a cement of finely powdered beryllium or ferro-beryllium.  The temperature is preferably between about 800 and 1150 DEG  C. and the duration of heating between about 2 1/2 and 10 hours.  A temperature of about 1000 DEG  C. with ferro-beryllium containing about 80 per cent of beryllium is preferred.
Patent GB-249816-A (GB)
Title: Laxative chewing gum
IPC: A23G4/00
Filed: 1925-12-17
Abstract: 249,816. Health Products Corporation, (Assignees of Court, A. H.). March 25, 1925, [Convention date]. Drawings to Specification. Chewing-preparations; coatings for medicines. - Tablets of chewing-gum are coated with a layer of sugar containing yellow phenolphthalein to act as a laxative, and with one or more outer non-medicated layers of sugar. The tablets are preferably made from a mixture of chicle, chicle substitute (stearin, beeswax, paraffin wax, resinous materials, &c.), glucose, sugar, and cuttings from a previous batch of chewing-gum. Flavourings and a small proportion of phenolphthalien may be added to the mass, which is cooked, kneaded with powdered sugar, and cut into tablets. The tablets are coated by tumbling in a revolving pan with a mixture of coarse powdered sugar and syrup. Finely-powdered phenolphthalein is sifted into the pan whilst the tablets are still moist so that it adheres to the tablets, which are then dried by an air blast, removed from the pan, allowed to dry for a further period, and again coated with one or more layers of sugar by treatment in a revolving tumbling pan with a plain syrup. An air blast is applied during the final coating operations. The syrup for the preliminary coating may contain glucose and gum arabic in addition to sugar, and corn starch may be added to the powdered sugar used at this stage. The yellow phenolphthalein used is a finely-divided yellowish product obtained in the manufacture of phenolphthalein before the usual decolorization by charcoal and final crystallization.
Patent GB-1500667-A (GB)
Title: Production of isopropanol by gas phase hydration of propylene
IPC: C07C29/04
Filed: 1976-07-30
Abstract: 1500667 Sulphonic acid catalyst composition IMI (TAMI) INSTITUTE FOR RESEARCH & DEVELOPMENT 30 July 1976 [7 Aug 1975] 31950/76 Heading B1E [Also in Division C2] Solid acid catalysts suitable for the heterogeneous catalysis of vapour phase reactions comprise a solid carrier (e.g. silica) and at least one substance selected from (a) a carboxymethanesulphonic acid, (b) a product resulting from the thermal treatment of carboxymethanesulphonic acid or a solid carrier at a temperature of 170-330C and (c) a sulphonic acid having at least two sulphonic groups per molecule. Such catalysts have been in part described in Specifications 1447707 and 1446964.
Patent GB-354627-A (GB)
Title: Improvements in high draft apparatus for drawing fibrous material in preparing and spinning machines
IPC: D01H5/74
Filed: 1930-10-24
Abstract: 354,627. Drawing-rollers for preparing and spinning machines. ROURA, L. V. and GUDAYOL, C. S., 51, Gerona, Barcelona, Spain. Oct. 24, 1930, No. 31982. Convention date, Aug. 16. [Class 120 (ii).] In high draft apparatus one or more of the lower rollers are formed of a metal core covered with rubber or rubber composition, the upper rollers being of ordinary construction or all or some of them covered similarly to the lower rollers. As shown, all the rollers are covered, pressure being applied to the front roller through a stirrup 15, and to the middle and back rollers by a saddle 16 and bar 17 from a weight 20. The rubber cover may be applied in any of the usual methods, for example, a layer of crude rubber paste may be applied and vulcanized or tubes of vulcanized rubber may be applied to the core ; in any case the ends are varnished to prevent penetration of oil between the cover and the core. The usual clearing- rollers 8, 9 are used.
Patent GB-187871-A (GB)
Title: Improvements in and relating to stuffing-boxes for plastic or granular packing
IPC: F16J15/24
Filed: 1921-11-29
Abstract: 187,871. Vijgeboom, W. Nov. 29, 1921. Boxes; packing, inserting and extracting.-In a stuffing-box of the type in which a cord cr granular &c. packing is inserted and discharged through a tangential orifice, the bore of the box is tapered. The box may have a single or multiple helical groove, for the packing, which, in the case of a rotary shaft, may be in the direction of rotation in order to assist insertion of the packing; or the box may have two grooves of opposite hand. The pitch or depth of the grooves, or both, may vary. A box, Fig. 1, is provided with a single inlet passage 4 and two outlet passages 5, 6 connected with the inlet passage by two helical grooves of opposite hand. The packing is compressed by a plunger 8 acted on by a screw cap 9. The outlet passages are closed by screw plugs 10, 11. During repacking, pipes may be attached to the outlet passages for carrying off leakage steam.
Patent GB-1262417-A (GB)
Title: A gas burner
Inventor: CHERNY ANATOLY ALEXEEVICH
IPC: F23D14/24
Filed: 1970-07-02
Abstract: 1,262,417. Gas burner. PENZENSKY KOMPRESSORNY ZAVOD. 2 July, 1970, No. 32076/70. Heading F4T. To increase the luminosity of its flame, so as to avoid oxidation of the burner head without the use of cooling water, a gas burner is provided with a depression 8 in the closed end of the perforated housing 4, the depression having holes 9 through which gas passes. Air or other oxidizing material passes through the annular space between the housing 2 and the pipe 1, is swirled by vanes 6, and is mixed with gas which passes through holes 7 in the housing 4 which is attached to the end of the pipe 1. Complete combustion of the gas occurs at the nozzle 5 to produce a mixture of CO 2  and H 2 O. The gas emerging from the holes 9 acts as a shield to keep the hot part of the flame away from the end of the housing 4, and is reduced to carbon in the form of incandescent particles when heated in the flame in contact with the combustion products. These particles are then distributed to the remainder of the flame by the swirling motion.
Patent GB-788340-A (GB)
Title: Improvements in and relating to needle cages for needle bearings
IPC: F16C33/46
Filed: 1955-11-10
Abstract: 788,340. Making bearings. HYDREL AKT.-GES. Nov. 10, 1955 [Nov. 13, 1954], No. 32112/55. Class 83 (2). [Also in Group XXXIV] A cage for roller bearings is made by drawing a tubular workpiece 11 and forming longitudinal grooves 12 on its inner or outer surface. Longitudinal slots are then formed between the grooves 12 and end rims 15 by a boring operation. The inner faces of the rims 15 are turned inwardly, Fig. 6, to retain the rollers 17. Alternatively, the drawing operation is replaced by a milling, rolling, pressing or broaching operation.
Patent GB-324149-A (GB)
Title: A convertible leg-rest, paper rack and bed-rest
IPC: A47C16/02
Filed: 1928-11-05
Abstract: 324,149. Fuller, A. Nov. 5, 1928. Rests, leg; bed-rests.-A convertible leg-rest, paper-rack and bed-rest comprises a support a furnished with side pieces C<1> to which a member b is adapted removably to be secured alternatively at right angles to the support or in superficial opposition thereto, so that the device may be adapted to constitute, on the one hand, a legrest, Fig. 2, or a bed-rest, Fig. 4. and on the other hand, a paper-rack, Fig. 5. The support a preferably also carries a base e with an upstanding ledge e<1>.
Patent GB-821910-A (GB)
Title: Improvements in single lens reflex cameras
Inventor: CRONHOLM EINAR
IPC: G03B17/06
Filed: 1957-10-15
Abstract: 821,910. Photographic reflex cameras. HASSELBLAD, F. V. Oct. 15, 1957, No. 32193/57. Class 98(1) In a single lens reflex roll-film camera, having connected action between film wind and shutter setting, a photometer is built into a detachable film wind knob so that, when it is turned to set the shutter, the photometer receives light from the object to be photographed. In the form shown, knob 10 is secured by unequally spaced bayonet lugs to a rotatable seating on the camera body 1.
Patent GB-1512237-A (GB)
Title: Engine-cooling system
Inventor: PABST R
IPC: F01P11/02
Filed: 1975-08-01
Abstract: 1512237 Cooling systems for l.C. engines DAIMLER-BENZ AG and SUDDEUTSCHE KUHLERFABRIK JULIUS FR BEHR 1 Aug 1975 [3 Aug 1974] 32303/75 Heading F4U In a cooling system for an I.C. engine 100, comprising an engine coolant jacket connected to a radiator 102 by flow and return pipes 107, 108, and engine and radiator vent pipes 115, 116 connected to an expansion vessel 101 which is connected by a by-pass return pipe 106 to the main cooling circuit, the expansion vessel is divided by a vertical partition 113 into an antechamber 111 and a suction chamber 112. The engine vent pipe 115 opens into the antechamber 111 which is provided with a filler 117 to which the radiator vent pipe is connected. The lower end of the suction chamber 112 is provided with a connection 119 to the by-pass return pipe 106. As shown, to equalize pressure and liquid-level, the partition 113 is provided with upper and lower bores 131, 132, and an opening 120 with an associated deflector 121 ensures that only coolant free from bubbles can pass into the pipe 106, bubbles being deflected upwardly by the deflector. An inclined screen 114 with a vent 133 is provided over the connection 119 to the pipe 106. The expansion vessel is provided with a pressure-equalizing valve 118. In a second embodiment, Figs. 3 and 4 (not shown), the expansion vessel is intended for vehicles in which there is little space and/or height and may be mounted directly on the radiator.