baber/WOPTO huggingface dataset:
Patent GB-1026659-A (GB)
Title: Wear compensation apparatus for print mechanisms
IPC: F16D11/16
Filed: 1964-12-21
Abstract: 1,026,659. Typewriters. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 21, 1964 [Jan. 30, 1964], No. 51761/64. Heading B6F. Machines with types upon spherical surfaces; type-selecting mechanisms; power assisted type actions.-This subject-matter is identical with that in Specification 1,026,658. Wear compensation apparatus.-The wear compensating apparatus 10, Fig. 2, is designed to compensate for any wear in the rotary character selection mechanism, e.g. dilation of tape 26 and becomes effective when the type head 11 is rotated clockwise by five units and the case shift mechanism has not been actuated. The apparatus includes a dual pawl clutch means comprising a pair of pawls 57, 58, Fig. 3, mounted on arms 61 of an annular hub 62 rigidly attached to the type head spindle 12 and normally engaging a toothed flange 55 on a pulley 17 through the intermediary of a spring 66 to provide a rigid drive connection between the pulley 17 and spindle 12. The type head 11 moves counterclockwise under the influence of tape 26 or clockwise under the influence of spiral spring 21. When wear has taken place and the spiral spring 21, Fig. 4, has rotated the type head 11 five units in a clockwise direction, in response to the depression of a key, a stud 68 on the pawl 58 engages a stop plate 67 to pivot the pawl 58 out of engagement with teeth 56 on the flange 55 so as to disengage the pulley 17 from the type head 11, which remains in its proper typing position, but the pulley continues to rotate clockwise under the bias exerted by the spiral spring 21 until all slack in the tape has been taken up. As the rotary selection mechanism is de-energized and the pulley begins to rotate counterclockwise to its home position the pawl 58 drops into the teeth 56 on the pulley 17 at the adjusted position.
Patent GB-1138344-A (GB)
Title: Magnetographic process
Inventor: GREINER JOACHIM
IPC: G01N27/84
Filed: 1965-12-08
Abstract: 1,138,344. Testing with magnetic tapes. AGFA-GEVAERT A.G. 8 Dec., 1965 [8 Dec., 1964], No. 52120/65. Heading G5R. In magnetographic fault testing the scatter field at a flaw is printed on to a magnetic tape. The magnetic layer is arranged to have a coercive force substantially equal to the field strength in the saturation break of the hysteresis loop of the specimen by subjecting the tape to an dealizing field during testing. In one embodiment, Fig. 2, a yoke 1 carries two windings. Coil 2 carries D.C. to produce the scatter field at the fault in the specimen 5, while coil 3 carries A.C. adjusted to idealize the field in the tape 4. In a second embodiment (Fig. 3, not shown) an assembly of oppositely-poled permanent magnets of decreasing pole-strength is moved across the test region to provide the alternating normalizing field. The direct field may also be achieved with permanent magnets. In a third embodiment (not illustrated) a tape, preferably of CrO 2  is heated, together with the specimen or on its own and applied to the specimen, a scatter field applied and the tape allowed to cool through its Curie transition point. The printed tape is spliced into a loop, played back on an audio tape recorder and the faults assessed orally by the loud-speaker, or by an output meter (not detailed).
Patent GB-1146200-A (GB)
Title: Corrugating of metal hose
Inventor: KELSTROM DONALD GORDON
IPC: B21D15/04
Filed: 1967-11-20
Abstract: 1,146,200. Corrugating tubing. CALUMET & HECLA, Inc. 20 Nov., 1967, No. 52732/67. Heading B3E. A method of helically corrugating metal hose comprises drawing the tube through a plurality of die rings which rotate relative to the tube and indent it to form corrugations and then compressing the sides of the corrugations by rotating a plurality of rollers about the hose, each roller comprising a pair of axially spaced wheels and the spacing of the wheels decreasing in successive rollers. An apparatus for carrying out the method comprises first and second die forming stations 10 and 12 respectively and a third stage 14 at which the tube is acted on by compression rollers 40. The first and second stages are similar and each comprises a rotatable carrier 26, driven by a motor 16 and supporting two die rings 22, 24. Each die ring is freely rotatable in the carrier and is mounted in a pivotable holder 64, 70 so that the angle which it makes with the tube axis is adjustable. The holder 70 is also adjustable along the tube axis by a screw 76. The die rings 22, 24 engage opposite sides of the tube to form a partial corrugation and the tube is supported by guide bushes 56 secured to the end plates of the carrier. The second stage die rings deepen the corrugations formed in the first stage. The third stage comprises three equi-angularly spaced rollers 40 mounted for radial adjustment in a carrier 80. Each roller comprises two axially spaced wheels formed integrally with a hub which is freely rotatable on a spindle in the carrier 80. Assuming clockwise rotation, as seen in Fig. 4, of the carrier 80, the wheels A, B, C engage the tube in alphabetical order. The axial distance between the pair of wheels of each roller decreases in the same order, so that the side walls of the corrugations are successively compressed and the depth of the corrugations is increased. The die ring carrier and the compression roller carrier are driven synchronously or the compression roller carrier may be connected to the preceding die ring carrier. The tube is mounted on trucks 36, 38 by which it is drawn through the machine. Alternatively the tube may be rotated and the forming tools remain stationary.
Patent GB-1377369-A (GB)
Title: Extrusion die assembly an extrusion p'ess and a method of extruding
IPC: B21C25/02
Filed: 1971-11-16
Abstract: 1377369 Extruding TEXAS ALUMINIUM CO Inc 16 Nov 1971 [16 Nov 1970] 53056/71 Heading B3P  An indirect extrusion press has its die 2 supported on a hollow stem over which the press container is moved during extrusion and the stem is made up of a set of support discshaped members 3 arranged face-to-face in an outer tube 4. The members 3 have openings 10, 11 aligned with and larger than the die openings 8, 9. The member 3 immediately behind the die 2 has similar shaped but larger openings than the die openings. The members may be circular or rectangular to support correspondingly shaped dies with various shaped die openings, Figs. 3 and 4 (not shown). The members may be made of steel and the outer tube aligns the members and prevents outward shattering if one of them breaks under load. The die 2 is supported by the members in its central zone and the end 5 of the tube may abut a flange on the die to support its outer zone.
Patent GB-1213536-A (GB)
Title: Chemical apparatus and method for mixing and separating immescible liquid phases
Inventor: BROWN JAMES BOYER
IPC: B01L9/06
Filed: 1968-11-12
Abstract: 1,213,536. Mixing and separating immiscible liquids. J. B. BROWN. 12 Nov., 1968 [16 Nov., 1967], No. 53463/68. Headings B1D and B1F. In mixing and separating immiscible liquids, the liquids are fed into tube 1 via inlet 7, and for mixing the cube is oscillated as in Fig. 4. For separation, either the tube is held vertically as in Fig. 5 when the heavy layer syphons off through tube 4, and then the light layer is withdrawn through inlet 7 as in Fig. 7, or the tube is held vertically as in Fig. 8 when the light layer is drawn off through inlet 7, and then the remaining heavy layer is drawn off as shown in Fig. 7. The tube 1 can be adjusted to the required positions by a friction clutch (24) (Figs. 1 and 2 not shown).
Patent GB-1281629-A (GB)
Title: Improvements in or relating to mixing apparatus
Inventor: BECK WALTER
IPC: B01F15/00
Filed: 1970-11-10
Abstract: 1281629 Mixing apparatus W BECK R BECK M LUYKEN E WALTHER and H RASCH [trading as RHEINHUTTE] 10 Nov 1970 [10 Dec 1969] 53463/70 Heading B1C Mixing apparatus having a shaft attached by one end to a drive unit and provided with mixing vanes or the like at its other end is characterised by the fact that the shaft is made of glass fibre reinforced plastics material. The shaft may be hollow.
Patent GB-1528670-A (GB)
Title: Thermally stable high molecular weight acyl peroxycarbonic esters
IPC: C08F4/00
Filed: 1976-12-23
Abstract: 1528670 Acyl peroxycarbonic esters ARGUS CHEMICAL CORP 23 Dec 1976 [16 June 1976] 53797/76 Heading C2C Novel acyl peroxycarbonic esters of the formula wherein R<SP>1</SP> is an alkyl group and R is a methyl or ethyl group the total number of carbon atoms in R and R<SP>1</SP> being 17 to 25, are obtained by reacting percarboxylic acids RCOOH with chloroformates R<SP>1</SP>OCOCl, The compounds are useful for initiating polymerization.
Patent GB-1208862-A (GB)
Title: Manufacture of organic isocyanates
Inventor: GAZZARD EDWARD GEORGE
IPC: C07C263/04
Filed: 1966-12-05
Abstract: 1,208,862. Manufacture of organic isocyanates. IMPERIAL CHEMICAL INDUSTRIES Ltd. 1 Dec., 1967 [5 Dec., 1966], No. 54343/66. Heading C2C. Organic isocyanates are prepared from the corresponding carbamyl chloride by contacting a solution or a suspension of the carbamyl chloride in an inert water-immiscible organic solvent with an aqueous solution or suspension of an acid acceptor, which include inorganic and organic bases such as sodium hydroxide, separating the liquid non-aqueous phase and recovering the isocyanate therefrom. Organic isocyanates which can be prepared from this method include both mono-isocyanates and polyisocyanates of the aliphatic, cycloaliphatic aromatic and heterocyclic series and also those of the alkaryl or aralkyl series which may be substituted by chlorine.
Patent GB-1367334-A (GB)
Title: Magnetic heads
IPC: G11B5/29
Filed: 1971-11-24
Abstract: 1367334 Multitrack magnetic heads MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 24 Nov 1971 [27 Nov 1970 30 Nov 1970 2 Dec 1970 (3)] 54578/71 Heading G5R A multi-track magnetic head is constructed by assembling together the parts of a plurality of head units, each comprising a wound core 22 mounted on a plate 20 and being separated from adjacent units by a plate 28 and a cover sheet 29, and then slicing through the assembly in the plane 24, 24a perpendicular to sheets 29; the divided portions of the sheets are then removed, e.g. by force or by melting or dissolving the material, whereby to form recesses 34, Fig. 4, in the bodies 33a, 33b, and the final form of the head is obtained by re-joining bodies 33a, 33b (after polishing the surfaces) such that non magnetic shims 37 separate the core parts 22a, 22b, and shielding plates 36 lie in the recesses 34.
Patent GB-1112780-A (GB)
Title: Process for the continuous production of anthranilic acid and the alkali metal salts thereof
Inventor: LEHMANN ERICH
Filed: 1965-12-23
Abstract: Anthranilic acid or its alkali metal salts are obtained by oxidation of phthalamic acid alkali metal salt with an alkali metal hypochlorite, comprising continuously and separately introducing cooled aqueous solutions of a phthalamic acid alkali metal salt and of an alkali metal hypochlorite in substantially stoichiometric quantities, through a mixing system into a reaction column, which comprises an initial stage, including a cooling system, for effecting a first-phase reaction for the production, via the intermediate phase of the N-chlorinated phthalic acid monoamide, of the corresponding isocyanate, and a second stage for effecting the exothermic hydrolysis of said isocyanate to the alkali metal anthranilic acid salt and CO2, the reaction temperature at the output end of the second stage of said reaction column being controlled to a value not in excess of 70 DEG  C., optionally neutralizing the solution of anthranilic acid alkali metal salt with a neutralizing agent, expediently regulated by a pH-meter and either withdrawing the alkali metal salt of anthranilic acid or further acidifying the said salt to yield the acid. An apparatus for carrying out the above process is described and exemplified.
Patent GB-1156719-A (GB)
Title: Improvements in or relating to the production of Substituted Amines
IPC: C07D473/04
Filed: 1966-12-09
Abstract: 1,156,719. Purine derivatives. W. OTTO, and L. SAILER, [trading as GEROT-PHARMAZEUTIKA DR. WALTER OTTO K.G.]. 9 Dec., 1966 [10 Dec., 1965; 22 March, 1966], No. 55188/66. Heading C2C. Compounds of general Formula I wherein R 1  is H or alkyl; R 2  is H or OH; R 3  and R 4  are H if R 1  is alkyl and R 2  = OH, or are each halogen, alkyl or OH possibly etherified; A is Th.CH.CH 2 - or ThCH 2 .CH(R 5 ).CH 2 -, wherein Th is a theobromine or theophylline residue and R 5  is H or, if one of R 1  to R 4  is not H, OH, and Z is A or may be alkyl or H when A is Th.CH 2 .CH(OH).CH 2 -, are prepared by reacting a compound of formula wherein R 6  is H or alkyl either with a compound of formula A-halogen or firstly with epichlorohydrin and then with theobromine and/or theophylline. The following compounds are claimed as novel:-Norephedrin - N - hydroxypropyltheophylline, norephedrin - N - di(hydroxypropyltheophylline), ephedrin - N - hydroxypropyltheophylline and N-[2-hydroxy-3-(theophylline - 7) - propyl] - 2 - hydroxy - 2 - (3<SP>1</SP> - hydroxyphenyl)-ethylamine HCl.
Patent GB-1172139-A (GB)
Title: Method of and apparatus for Shaping Blanks
IPC: B21B11/00
Filed: 1967-12-05
Abstract: 1,172,139. Transverse rolling. HILTI A.G. 5 Dec., 1967 [16 Dec., 1966], No. 55198/67. Heading B3M. Elongated blanks are fed axially between at least two profiled rolls 1 and 2, at least one of the rolls being vibrated during rolling. Each roll has a profile which extends helically along the roll, the profile being shaped to progressively form a desired profile on a blank. The rolls are skewed to feed the blank axially, and guides prevent lateral movement of the blank. Fig. 1 indicates how bolts 6 with threaded portions 6a are progressively formed. The rolls are driven through gearing from a motor 10, the roll 2 being laterally adjustable by an hydraulically operated carriage 15. A vibrator 25 for the roll 1 preferably provides a frequency of greater than 50 cycles/sec. and an amplitude of up to 2 mm.
Patent GB-1475509-A (GB)
Title: Glass batch materials
IPC: C03C1/02
Filed: 1974-12-23
Abstract: 1475509 Pelletized glass batch material DRAVO CORP 23 Dec 1974 55645/74 Heading ClM Pellets of glass batch ingredients are prepared by: (a) mixing silica sand of defined particle size with calcium carbonate and/or calcium magnesium carbonate (also of defined particle size) to produce a mix of particles which has substantially no particles over 30 mesh (U.S. sieve) but at least 15% by weight below 325 mesh size and at least 25% by weight below 200 mesh size, substantially all the remaining particles being 100-200 mesh; (b) supplying the mix to a rotating pelletizing disc; (c) supplying a sodium hydroxide solution (50-73% NaOH) to the mix on the disc; (d) rolling the mix into pellets; and (e) drying the pellets formed. The silica sand has less than 1% by weight of particles below 325 mesh size, and less than 4% below 200 mesh, substantially all the particles being 50-200 mesh. The calcium compound(s) has between 65À5% and 76À5% by weight of particles under 325 mesh size, and 86À5-90À5% by weight below 200 mesh size, substantially all the remainder being 50-100 mesh size. Water may be supplied also to the disc, in an amount up to 15% by weight of the pellets. Some of the sodium hydroxide solution may be added to the mix before it is supplied to the disc. The sodium hydroxide solution, which may be sprayed on to the disc, is heated if necessary so as to ensure that it is supplied as a liquid. The pellets formed are preferably of size ¢-# inch.
Patent GB-1379934-A (GB)
Title: Grinding plants
IPC: B02C21/00
Filed: 1972-12-04
Abstract: 1379934 Tube mills, grinding cement F L SMIDTH & CO AS 15 Oct 1973 [4 Dec 1972] 55901/72 Heading B2A A grinding plant comprises cooling water injection equipment 23, Fig. 1, and a ventilating air supply with an electrostatic precipitator 12. On starting the plant, the flow rate of air is controlled in dependendce of cooling water flow rate, the injection of water and hence increase of air flow being delayed by a throttle damper 17 until it is necessitated by the increase of temperature (as sensed, e.g. by a member 24) within the mill or of the ground product delivered from the mill. As described, the plant comprises a feed hopper or hoppers 7, a weighing feeder or feeders 6, an inlet box 2 and outlet box 4 for the mill 7. Ground material is discharged via a pipe 8 and a screw conveyor 9. Fines separated by the precipitator 12 are discharged to the screw conveyor by pipe 15. Start-up follows the sequence of Fig. 2, with the precipitator voltage increased successively in dependence on flash over frequency which depends on cooling water flow. Temperature measurements may be taken at various locations and water injection may be controlled continuously or intermittently. Air volume may be controlled by a variable speed fan. Rapping frequency of the precipitator may also be controlled and the precipitator may be maintained in operation for a time after the mill is stopped.  An auxiliary dedusting unit may be connected to a branch pipe connected to a point between the mill and the precipitator.
Patent GB-1327279-A (GB)
Title: Method and means for reducing iron oxides in a gaseous reduction process
IPC: F27B1/00
Filed: 1970-11-25
Abstract: 1327279 Reducing iron oxide MIDLANDROSS CORP 25 Nov 1970 [10 Dec 1969] 56142/70 Heading C7D [Also in Division F4] Iron oxide particles are fed to the top of a vertical shaft furnace and pass down under gravity to be removed after reduction. Reducing gas from a catalytic reformer is introduced at an intermediate part of the furnace and removed at the top. The spent gas passes through a cooler and is re-introduced at the bottom of the furnace to cool the descending reduced material. As shown reformed gas is introduced to the shaft 10 through bustle 22, spent gas being removed at 24, passed through cooler scrubber 30 and reintroduced to the shaft at 32. After cooling the reduced material the gas is removed at 42, cooled, mixed with hydrocarbon at 80 and passed through reformer furnace 48, and after cooling at 92 and, possibly, mixed with up to 6% by volume of hydrocarbon gas from pipe 97, is re-introduced to the shaft. Passage of cooled gas through the reduced iron serves to remove any H 2 S from the gas. Alternatively a separate bed 72 of activated pellets may be used to remove H 2 S from the spent reducing gas and may be situated upstream of cooler 30, or downstream as shown.
Patent GB-1363086-A (GB)
Title: Light sensitive colour photographic silver halide material
IPC: G03C7/32
Filed: 1971-12-08
Abstract: 1363086 Photographic silver halide colour material AGFA-GEVAERT A G 8 Dec 1971 [8 Dec 1970] 56982/71 Heading G2C A photographic material comprises at least one photo-sensitive silver halide emulsion layer and has in the emulsion layer and/or an immediately adjacent layer or spread over both a combination of (a) a colourless non-diffusing colour coupler which forms a non-diffusing image dye on reaction with colour developer oxidation products; (b) a non-diffusing mask-former which forms, during photographic processing, a colour mask to mask the side density of the image dye; and (c) a colourless non-diffusing DIR compound which splits off a diffusing development-inhibiting substance on reaction with colour developer oxidation products; wherein mask-former (b) and/or DIR compound (c) does not contribute towards formation of an image dye during photographic processing. The mask-former (b) may have the formula: - wherein R 1  and R 2  are each H, alkyl, aryl, aralkyl or heterocyclyl or together with the carbon atoms to which they are attached, represent a carbocyclic or heterocyclic ring, and R 3  and R 4  are each an optionally substituted aromatic, or optionally substituted heterocyclic group. Alternatively the mask-former (b) may have the formula:- wherein R 5  is - CONH 2  or -SO 2 X wherein X is OH, optionally substituted amino, optionally substituted aliphatic hydrocarbon or optionally substituted aromatic hydrocarbon; R 6  and R 7  are each alkyl, allyl, aralkyl or aryl, or both, together with the nitrogen atom to which they are attached, represent a heterocyclic ring; and R 8  is alkyl, aralkyl, optionally substituted aryl or heterocyclyl; or R 7  and R 8  together with the atoms to which they are attached, represent a heterocyclic ring. Mask-former (b) may be a coloured coupler. DIR compound (c) may have the formula:- wherein E is aryl or aromatic heterocyclyl; R 9  is H, alkyl, aryl or -S -E; and X is benzoyl carrying at least one substituent which contains alkyl with at least 10 carbon atoms. The coloured images produced have improved colour reproduction, balanced gradation, improved definition and refined colour grain.
Patent GB-1247926-A (GB)
Title: Method of dispensing and areciprocating dispensing pump therefor
IPC: B65B3/32
Filed: 1968-12-03
Abstract: 1,247,926. Reciprocating pumps. G. HANSEN. Dec.3, 1968 [Jan.3, 1968], No.57207/68. Heading F1A. In a method for filling a container with liquid the speed of filling at the commencement of the operation is considerably less than during the remaining period. A pump 2 is actuated by a hydraulic or pneumatic motor 11 which at the commencement of the pumping stroke is fed with fluid through a narrow throttle 19 and a wider throttle 20 in series; subsequently a valve 21 is opened to by-pass the throttle 19 to permit the motor 11 to speed up. The stroke is reversed when member 12 attached to piston-rod 10 operates switch 13 reversing flow through two position valve 26, fluid then passing to the cylinder 11 via throttle 17. The suction stroke is limited by an adjustable stop 15. A rotary inlet and outlet valve assembly 5 controlled by actuating cylinder 6 is mounted beneath supply hopper 7.
Patent GB-1439469-A (GB)
Title: Process for the pyrolytic analysis of liquids
IPC: G01N31/00
Filed: 1973-12-13
Abstract: 1439469 Pyrolytic analysis BAYER AG 13 Dec 1973 [15 Dec 1972] 57744/73  Heading G1B A process for the pyrolytic analysis of liquids, for example sewage, comprises injecting a sample of the liquid together with a carrier gas comprising air into a combustion furnace and passing it repeatedly through the hottest zone of the furnace where the sample is burnt in the absence of a  catalyst at temperatures of from 1000‹ to 1200‹C, and delivering the combustion gases to an analyzer. In the furnace 3 of Fig. 2, the carrier gas is preheated by passing it through line 8, and the preheated carrier gas entering at 7 together with injected sample passes through concentric tubes 6, 5 in the hottest part of the furnace for the combustion step. The process may be carried out to determine organic carbon using the apparatus of Fig. 1 (not shown) in which air as carrier gas passes through zeolite adsorbers and through precombustion line 8, and the combustion gases pass through a CaCl 2  bottle and a dust filter to a CO 2  analyzer. In the apparatus of Fig. 3 (not shown), total oxygen demand may be determined using a high temperature zirconium oxide measuring cell. In the apparatus of Fig. 4, used for the determination of total mercury in sewage, the carrier gas passes through dust filter 20 and mercury filter 21 of silver wool to pump 22 and the combustion system. Combustion gases flow through shortest possible tube 24, which may be capillary tubing and is heated, to heated measuring cell 25 of a mercury absorption photometer. The windows 30 of the cell may be kept clear of deposit by streams of heated air injected through annular nozzles (31), Fig. 5 (not shown). In another embodiment a windowless cell may be used and tube 24 has i.d. 1 to 4 mm. and length 200 to 400mm.