baber/WOPTO huggingface dataset:
Patent GB-745479-A (GB)
Title: Improvements in the production of metal-containing azo dyestuffs
IPC: C09B45/01
Filed: 1953-10-06
Abstract: Metal-containing azo dyestuffs are made by subjecting o, o1 - dihydroxy - azo o - alkyl - o1 - hydroxy-azo or o-carboxy o1-hydroxy-azo dyestuffs which contain sulphonic acid groups in p-position to the hydroxy or alkoxy groups and which can also contain further sulphonic acid groups to a treatment with metal salts in the presence of polyhydric alcohols and polyhydroxy ethers and polyethers containing no further functional groups at raised temperature in a non-alkaline medium whereby the sulphonic acid groups in the p-position to the hydroxy and/or alkoxy groups are split off. Specified polyhydric alcohols and polyhydroxy- and poly-ethers are glycol, butane-triol, pentaerythritol, glycerine, bis-hydroxyethyl ethers or ethers of formula HO(CH2CH2O)n-CH2-CH2-OH in which n is 1-25.  Metallisation or dealkylating metallisation and elimination of sulphonic acid groups occur together.  The dyestuffs may be used for dyeing wool, silk, leather, casein and polyamide or polyurethane fibres and plastic masses such as varnishes and cellulose ethers or esters.  Red and blue tints are obtained.  When containing one atom of chromium per dyestuff molecule they may be reacted with colourless complexforming compounds to form complex dyestuffs as in Specification 692,073. In Examples in which glycol, glycerine and b ,b 1-dihydroxydiethyl ether are used as solvents and reaction temperatures of 100-140 DEG C. are used a cobalt complex is obtained from (1) 1-amino-2-hydroxy-4-nitro-or -5-chloro-benzene --> 1-naphthol-4-sulphonic acid, chromium compounds from (2) 1-amino-2-methoxy-4-nitro-benzene --> 1-naphthol-8-sulphonamido-4-sulphonic acid, (3) 1-amino-2-hydroxy-5-sulphonamido-benzene --> 1-naphthol-4-sulphonic acid, (4) 1-amino-2-hydroxy-benzene 5-sulphonic acid --> 2- napthol, (5) 1-aminobenzoic acid --> 1-naphthol-4-sulphonic acid, (7) 1-amino-2,5-dimethoxy-4-sulphonamido-benzene --> 1-naphthool-4-sulphonic acid, (8) 1-hydroxy-2-amido-naphthalene-4, 8-disulphonic acid --> 1-phenyl-3-methyl-5-pyrazoleno and (9) 1-amino-2-methoxy-benzene-5-sulphonic acid --> 1-hydroxy-4-methyl-benzene and copper and aluminium complexes in (6) from 1-amino-2-methoxy-4-nitro-benzene --> 1-hydroxynapthol-4, 8-disulphonic acid which may be demetallised by heating with hydrochloric acid.
Patent GB-464084-A (GB)
Title: Method of making zinc tungstate particularly for use in fluorescent screens
IPC: C09K11/68
Filed: 1936-03-02
Abstract: Pure zinc tungstate suitable for use as a fluorescent screen material is obtained as follows: (1) C.P. zinc is subjected to distillation in vacuo, dissolved in nitric acid, and zinc hydroxide precipitated from the solution as by ammonia; (2) C.P. tungstic acid is treated with ammonia to form a paratungstate solution which is heated to form a crystalline precipitate, the latter is boiled in nitric and/or hydrochloric acid, and the purified tungstic acid filtered off; (3) the zinc hydroxide and tungstic acid are washed and then heated together to form the zinc tungstate, which is exceedingly pure.  In step (1) the distillation of the zinc in vacuo may be repeated several times, and step (2) may be repeated until impurities in the tungstic acid such as iron, are not shown by chemical methods of analysis.  The pure zinc tungstate may be ground and suspended in water, the heavier particles allowed to settle, the supernatant liquid drawn off, and the finer particles of tungstate therein settled out to yield a finely divided powder.  The Specification as open to inspection under Sect. 91 comprises also the subject-matter of Specification 456,561.  This does not appear in the Specification as accepted.
Patent GB-1441198-A (GB)
Title: Polymerizable hydroxy-containing esters of amido-substituted  sulphonic acids
IPC: C07C67/00
Filed: 1974-06-20
Abstract: 1441198 Dyeable polymers LUBRIZOL CORP 20 June 1974 [29 June 1973] 27459/74 Heading C3P [Also in Division C2] Polymers are made by homopolymerizing or copolymerizing a novel compound or mixture of compounds of the formula wherein: R<SP>1</SP> is hydrogen, halogen or a lower alkyl or substituted lower alkyl radical; R<SP>2</SP> is a divalent or trivalent hydrocarbon or substituted hydrocarbon radical; each X is individually hydrogen or at least one X being other than hydrogen; each of R<SP>3</SP>, R<SP>4</SP>, R<SP>5</SP> and R<SP>3</SP> is hydrogen or a hydrocarbon or substituted hydrocarbon radical at least one of R<SP>3</SP>, R<SP>4</SP>, R<SP>5</SP> and R<SP>6</SP> being hydrogen ; m is an integer from 1 to 10, and n is 1 or 2. Polymerization is effected by the free-radical method in bulk, solution, suspension or emulsion with the usual initiators. Examples describe copolymers of ethoxylated or propoxylated 2- acrylamido-2-methylpropanesulphonic acid and acrylonitrile. The copolymers can be drawn into fibres with an improved affinity for basic dyes or blended with polyacrylonitrile to form dyeable polymer compositions.
Patent GB-156076-A (GB)
Title: Improvements in or relating to electro-magnetic relays
IPC: H01H50/88
Filed: 1920-09-27
Abstract: 156,076. Automatic Telephone Manufacturing Co., Ltd., (Assignees of Erickson, J.). Dec. 31, 1919, [Convention date]. Metering.-In order to record the number of times a group of trunk lines become busy, a master switch of the kind described in Specification 15072/12, which is only in continuous motion when all the lines are engaged, is caused to operate a switch which controls a relay 2. One of the contact arms 4, 5 carries an adjustable weight 7, which is set into vibration when the relay is operated. So long as the contact vibrates, the current passed is insufficient to actuate the armature n of the magnet m of the meter M, which therefore does not record until the contacts 4, 5 become steady. This ensures that any momentary movement of the master switch, i.e. when preselecting idle lines &c., will not affect the meter.
Patent GB-828420-A (GB)
Title: Masked handle fastening
Inventor: HERR GERHARD
IPC: E05B1/00
Filed: 1958-08-27
Abstract: 828,420. Furniture &c. handles. HAPPICH G.m.b.H. GEB. Aug. 27, 1958, No. 27522/58. Class 52(1) In a masked handle fastening for vehicles &c. arranged beneath the handle end 4 is a base plate 10 with a front catch 12 and rear catch 11 to engage flanges 15, 16 on a snap-down. masking cap 13 having an aperture 14 for the handle. ,Wings 18 bent up from the sides of the base plate 10 bear resiliently against the inner walls 17 of the cap.
Patent GB-935785-A (GB)
Title: Improvements in or relating to coal cutter picks
Inventor: PROCTOR SIDNEY ERNEST
IPC: E21C35/19
Filed: 1961-07-28
Abstract: 935,785. Mineral-mining picks. AUSTIN HOY & CO. Ltd. July 23, 1962 [July 28, 1961; Dec. 8, 1961], Nos. 27573/61 and 44027/61. Class 68 (1). Slidably mounted within the shank 12 of a pick 10 is a latch 29 which is spring-biased to normally project from one face of the shank unless forcibly withdrawn into the shank on appropriate pressure being applied to a part 30 of the latch which projects from at least one other face of the pick. Other embodiments to the one shown are also described.
Patent GB-681235-A (GB)
Title: Improvements in or relating to spring upholstery
IPC: A47C27/06
Filed: 1950-11-13
Abstract: 681,235. Making wire fabric. HICKS, Ltd., B., and HICKS, R. B. June 12, 1951 [Nov. 13, 1950], No. 27710/50. Class 83 (ii). In making spring upholstery of the kind set forth in Specifications 271,774, [Class 52 (iv)], and 483,849, [Group XIV], long helical springs of high tensile carbon steel are baked in an oven for 10-20 minutes at a temperature of 450‹ F. and are then air-cooled to set the diameter and pitch of the spring before being wound on a bobbin for weaving the spring fabric. Specification 384,893, [Group XIV], also is referred to.
Patent GB-170750-A (GB)
Title: Improvements in box-irons for domestic or laundry purposes
IPC: D06F75/04
Filed: 1920-09-30
Abstract: 170,750. Siddons, Ltd., J. & J., and Jones, E. Sept. 30, 1920. Solid-fuel hand-irons; hand-iron handles.-A. fastening for the hinged lid or the detachable cover or handle of a box or sad iron comprises a slidable plate f, Fig. 2, capable of endlong movement between guides on the lid and provided with a key-hole slot f<1> to co-operate with a headed pin a<1> on the body of the iron. The plate is pressed upon the lid by a blade spring g and has a knob f<3> for manipulation. The plate may be disposed slantwise with respect to the central longitudinal plane of the iron and in the case of a detachable handle, Fig. 8, may be mounted on the base plate d<1> of the handle and the spring slot and pin may be duplicated.
Patent GB-519688-A (GB)
Title: A centrally controlled electrical alarm device
IPC: G08B27/00
Filed: 1938-09-23
Abstract: 519,688. Alarm signaling over power circuits. LETI, C. Sept. 23, 1938, Nos. 27758 and 27759. Convention dates, Sept. 23, 1937, Nov. 29, 1937. [Class 40 (i)] Warning signals such as air-raid alarms are given over a power network by interrupting the supply a predetermined number of times or by removing the earth connection of an earthed supply in order to control apparatus which connects the alarm circuits to the network. In Fig. 3, (the interruptions , step a ratchet wheel F through the medium of a magnet A until an integral arm G bridges contacts H, H<1> to complete the alarm circuit. The arm G is provided with a dial for adjusting it to the zero position. In Fig. 4, the interruptions are made in the earthed conductor R", and the alarm circuit is completed from the insulated conductor R<1> over a back contact of the magnet A to local earth. In this arrangement, the ratchet F and contacts H, H<1> may be dispensed with, so that the alarm is given in response to a single opening of the conductor R".
Patent GB-799197-A (GB)
Title: Improvements in the manufacture of trim panelling
IPC: B29C65/04
Filed: 1956-09-12
Abstract: 799,197. Laminates. GENERAL MOTORS CORPORATION. Sept. 12, 1956 [Oct. 6, 1955], No. 27862/56. Class 140. [Also in Groups XI and XVI] A process of making trim panelling, especially for use in the upholstery of motor vehicles, comprises placing together a sheet of flexible trim material 11, e.g. leather, cloth material or synthetic resins with finishes simulating leather, and a sheet of sponge rubber 13 and embossing them on the trim material side between dies which by dielectric heating cause adhesion between the sheets, the moisture content of the rubber being between 2 and 7 per cent by weight so that fusion of the rubber bonds it to the flexible material. The panelling may also include a backing sheet 15 made of a flexible or a rigid material, e.g: cotton fabric, fibreboard, &c. As shown, the upper and lower platens 3, 5 of the embossing press are connected in series to a high frequency generator 7 and a porous or open mesh sheet material 19 is interposed between the platen 5 and the backing sheet 15. If the rubber is not moist enough a liquid such as water and an alcohol may be added thereto. When sponge rubber having the above-mentioned moisture content is embossed under dielectric heat the compressed rubber fuses,and serves as an adhesive between the separate sheets of the laminate and to retain the depressed design in the rubber 13 and the trim material 11. The hot vapour from the moistening liquid escapes through the mesh sheet material 19; the rate of escape of the vapour may be controlled by varying the size of the mesh or the number of such sheets. To improve the definition in the embossed design soaps, detergents or polyhydroxy alcohols may be added to the sponge rubber. The pressure used is between 200 and 600 lb. per square inch and the dielectric heating is caused by a high frequency alternating current of between 600 and 1200 volts giving a peak temperature of between 275 and 350 F. The trim material may be secured to the sponge rubber before the embossing operation, e.g. by rubber latex which may also serve to introduce the desired amount of moisture into the sponge rubber.
Patent GB-477081-A (GB)
Title: Improvements relating to mosquito-proof flushing cisterns
IPC: E03D1/012
Filed: 1937-10-14
Abstract: 477,081. Water - waste preventers. SHANKS & CO., Ltd., and SHANKS, A. F. Oct. 14, 1937, No. 27934. [Class 26] A mosquito-proof cistern has a lid with an aperture for a flushing-lever which has on each lateral boundary a semicircular bearing surface 5 receiving corresponding surfaces on the ends of the limbs of a bifurcated saddle 6 carrying the lever 4 the arrangement is such that the saddle may perform slight rocking movements and serves with the lever to close the boundaries of the aperture. The surfaces 5 may converge inwardly to centralize the saddle.
Patent GB-796472-A (GB)
Title: Mechanism for loading cartridge cases and like containers
IPC: F42B33/02
Filed: 1956-09-13
Abstract: 796,472. Packaging. DU PONT DE NEMOURS & CO., E. I. Sept. 13, 1956 [Sept. 15, 1955], No. 27956/56. Class 94(1). [Also in Group XXI] Apparatus for loading explosive into cartridge cases comprises a base plate 1 having parallel transverse bore holes 2 therein each communicating near their mid-portions with the upper surface of the plate through channels 3. At one end of each bore hole 2 is a detachable nozzle 4, preferably of wood or plastic, to enter the mouth of a cartridge case 5 supported by a carriage 13. Tamping rods 7 are reciprocated in the holes 2 to force explosive 6 falling through the channels 3 from a hopper 9 into the cases 5. Explosive may be continuously fed into the hopper through a shoot 12 and is agitated by paddles 11 on a shaft 10 journalled in the walls of the hopper.
Patent GB-896917-A (GB)
Title: Improvements in the removal of arsenic, antimony and non-ferrous metals from oxidic iron materials, e.g., roasting residues of sulphidic iron ores, ferrites and other oxidic iron ores
Inventor: GOESELE WILHELM
IPC: C22B1/08
Filed: 1959-08-17
Abstract: Arsenic, antimony and non-ferrous metals are removed from nickel oxide-free oxidic iron materials, e.g. roasting residues of sulphidic iron ores, ferrites and other oxidic iron ores, the arsenic and/or antimony being present as arsenates or antimonates aund the non-ferrous metals as oxides, by reacting the material with chlorine, diluted with an inert gas or combustion gas containing at the most 6,2% by volume of oxygen, at 700 DEG  C. to 1,300 DEG  C.  The chlorine may be diluted to a concentration of 1 to 30% by volume.  In examples, copper is removed from a copper ferrite with a mixture of chlorine and nitrogen, and copper, zinc, lead, arsenic and antimony are removed from a roasted iron ore with a mixture of chlorine and combustion gas.
Patent GB-1135094-A (GB)
Title: Float-controlled hydraulic valve arrangement
IPC: F16K31/26
Filed: 1966-06-22
Abstract: 1,135,094. Valves. RUBINETTERIE STELLA S.p.A. 22 June, 1966 [22 June, 1965], No. 27996/66. Heading F2V. A float-controlled hydraulic valve arrangement in which the flow of water from a supply to a tank such as the tank of a water closet is not appreciably restricted until the tank is full, comprises a valve body V incorporating an hydraulic valve (not shown) for opening and closing a water supply passage to the tank, the valve being operated by a lever 11 carrying a float 13, and magnetic stop-means such as a permanent magnet 3 which co-operates with an armature 6 mounted on a hinged rod 4 provided with a forked end 8 for engaging the lever 11 and exerting a force thereon to maintain the valve open and the float in a position in which upward movement of the float with the rising water level in the tank is prevented until the float has become sufficiently submerged for the hydrostatic force to overcome the force of the stop means. To adjust the performance of the valve an armature (14, Fig. 4, not shown) is provided which can be moved along the rod 4 relative to the magnet to adjust the degree of attraction therebetween.
Patent GB-426602-A (GB)
Title: Improvements in gear hobbing machines
IPC: B23F5/22
Filed: 1934-10-01
Abstract: 426,602. Gear cutting. WOIBLET, M., 6, Clos du Lac, Bienne, Berne, Switzerland. Oct. 1, 1934, No. 28092. [Class 83 (iii)] In a gear-cutting machine in which the hob spindle is driven directly from a coaxial driving shaft connected through the usual change gearing to the work spindle which is connected through an auxiliary shaft to the automatic hob-slide feed mechanism, the machine frame is provided with standardized cylindrical holes adapted to receive standardized bushings in which the various operating shafts are mounted and the tailstock of the work holder has an eccentric adjustment for securing exact alignment of the headstock and tailstock spindles. The frame 1 includes a work headstock casting 2, tailstock 3 and gear housing 4, and is provided with horizontal guideways 5 for the support 6 on which the vertical hob slide 7 is mounted. The slide 7 has bearings for a spindle 13 connected by a universal shaft 12 to a main shaft 9 driven by a pulley 8. A gear 11 on the main shaft is connected through change gears 38, 39 to a shaft 37 which carries a worm gear 36 driving a worm wheel 35 on the headstock spindle 34. This spindle is connected through spiral gears 33 to a short shaft 31 which drives a shaft 26 connected by worm gears 28 to a shaft 23 which may be clutched by a hand wheel 25 to a helical gear 22 engaging a rack 21 to impart longitudinal feed to the hob support 6. At the end of a cutting traverse, a projection 20 engages one arm of a lever 19 which is thus rocked so that its horizontal arm releases an arm 18 extending from a cam 14 which is then rotated by a spring 24 so that a screw 16 on the hob slide drops into a depression in the cam and withdraws the hob from the work. The bushing of the shaft 26 is shown in Fig. 5. Similar standard bushings are employed for the shafts 31, 37, 26 and the end of shaft 23 adjacent the wheel 25. The tailstock includes an eccentrically bored sleeve 41, Fig. 7, held between a ring 44 and shoulder 45 and having a rear part 46 with a bore for a bayonet joint member 47 in which the spindle 48 is secured. A handle 50 moves in a bayonet slot to advance the spindle to clamp the work arbor and the length of the spindle is adjustable by means of threads 481. The required setting of the eccentric sleeve is maintained by a screw 49.
Patent GB-987290-A (GB)
Title: Improvements in or relating to balancing means for automatic gear changing devices
IPC: F16H63/30
Filed: 1962-07-20
Abstract: 987,290. Controlling change-speed gearing. TATRA NARODNI PODNIK. July 20, 1962 [July 22, 1961], No. 28110/62. Heading F2D. In an automatic gear-shift device comprising two pumps and an accelerator controlled valve and selector valve in a common casing, biasing means responsive to the position of the accelerator bears against the selector valve, the biasing means comprising a hollow piston spring loaded away from the selector valve and loaded towards the valve by pressure admitted to its bore through a flanged guide pin. Engaging pressure to fluid-operated brakes and clutches of a change-speed gear is generated by an input shaft driven pump 1 and modulated by a pressure-balanced relief valve 5 loaded by a spring 7 whose data point is set mechanically according to the position of the accelerator 9. Engaging pressure is appropriately distributed to passages 48 . . . 50 by a selector valve 31 positioned against spring loading 46 by output shaft pump 54, pressure escaping through metering orifices 59, 60, 61. The slide valve 32 of the selector valve is held in gear engaged positions by spring detent 67, and is biased according to engaging pressure by a piston 44 urged against the end of the selector slide valve 32 by pressure admitted to bore 43 through a hollow flanged guide pin 40, the pressure being opposed by a spring 45. Specification 738,588 is referred to.
Patent GB-1283820-A (GB)
Title: A device for the withdrawal from a trough of aerosol container valves provided with drawing tube and automatic conveyance thereof to a collecting guide
IPC: B65G47/14
Filed: 1970-06-10
Abstract: 1283820 Separating aerosol container valves COSTER TECNOLOGIE SPECIALI SpA 10 June 1970 [28 June 1969] 28168/70 Heading B8S Aerosol container valves 20, Fig. 1, are picked up from a hopper 12 by magnets 13, Fig. 3, attached to a disc 7, Fig. 1, oriented by a wheel 9 and discharged by a shoot 22. The disc is supported by wheels 2, 3 and driven by the wheel 3. The magnets 13 are slidable in cup-shaped depressions in the disc and are spring-urged towards the rear of the disc. As the magnets pass through the hopper they are projected from the surface of the disc by a cam 21, Fig. 3, and are allowed to withdraw as the disc continues to rotate.
Patent GB-943266-A (GB)
Title: Electrophotographic material
IPC: C07D213/50
Filed: 1960-08-15
Abstract: 943,266. Electrophotographic production of printing plates. KALLE A. G. Aug. 15,1960 [Aug. 20, 1959], No. 28193/60. Drawings to Specification. Heading G2H. [Also in Divisions C2, C3 and H1] The Specification describes various solvents suitable for removing the unexposed parts of a xerographic image on a material comprising a photoconductive keton resin after development with a pigmented resin powder. Such solvents are (1) 5 parts of 85% phosphoric acid, 30 parts of isopropanol and 65 parts of water, (2) 2. 5% hydrochloric acid, and (3) 2 parts of 5% phosphoric acid and 1 part of ethanol. The plate is then rinsed with water, wiped with aqueous phosphoric acid or an alkali metal phosphate, and inked with greasy ink for use as a printing plate.
Patent GB-441792-A (GB)
Title: Improvements to machines for physical treatment of cellular and fibrous materials
IPC: A23F3/12
Filed: 1934-10-02
Abstract: 441,792. Endless belt conveyers; jigging-conveyers. LLOYD, L. N., Chiltern Lea, Little Chalfont, Amersham, Buckinghamshire. Oct. 2, 1934, No. 28196. [Class 78 (i)] [See also Groups II and VI] Tea leaf is fed to a drum by a belt conveyer 35 mounted on a tubular frame 41 and adjustable toward and away from a rotary spreader 42 by rod 46 and nut 47. The tea leaf from the conveyer 35 falls down a shoot 36 on to a reciprocating tray 37 which is carried by a rod connected at one end to an eccentric driven by a belt drive, and at the other to a radius link carried by the main frame and is fed into the drum.