baber/WOPTO huggingface dataset:
Patent GB-187328-A (GB)
Title: Improvements in and relating to the production of smokeless fuel and coke
IPC: C10L9/08
Filed: 1921-07-18
Abstract: 187,328. Illingworth, S. R. July 18, 1921. Coking processes.- Coal which has a volatile content of 14 to 20 per cent at 900‹ C. and in which the major portion of the resinic matter decomposes at a temperature of from about 350 to 400‹ C. with the evolution of only a small quantity of volatile matter, is heated to a temperature not exceeding 600‹ C. to obtain a smokeless fuel. If desired, this fuel may be heated above 600‹ C. say to 900‹ C. to produce a metallurgical coke. The coal may be heated in thin layers, but if thicker layers are to he used a blend should be made. Specification 175,888 is referred to. The Provisional Specification refers also to a retort made in two sections the top one having cast iron chambers or nests 6 inches across for formation of the coke structure which travels by gravity into the lower refractory chamber which is maintained at 900‹ C. if metallurgical coke is desired. The gases from the lower half, rich in hydrogen, pass over the semi-carbonized charge in the upper half and a greater yield of ammonia results. Another suitable apparatus consists of a series of three wheeled bogey carriages connected by links in an endless chain and caused to travel round an ellipsoid oven suitably heated by flues. These carriage support trays which periodically fall and discharge their contents and pass under a hopper for re-charging. Another type of apparatus consists of a retort placed at an angle to the horizontal greater than the angle of rest of coal, a series of such retorts may be superimposed and within each retort is a chamber divided into longitudinal compartments not in contact with the hot walls of the retort. Above the chamber is a slotted cover plate with gas outlets. A skeleton structure which may be raised and lowered is disposed over the cover plate and carries blades which enter the slots and extend to the opposite side of the chamber. To discharge the retort the blades are withdrawn clear of the charge which falls down to a cooling chamber or to a further oven for the production of metallurgical coke.
Patent GB-153105-A (GB)
Title: Improvements in carriage controlling mechanism for typewriting machines
IPC: B41J19/68
Filed: 1919-08-06
Abstract: 153,105. James, R. W., (Remington Typewriter Co.). Aug. 6, 1919. Letter-spacing mechanism. - The paper-carriage is prevented from making a false letter-spacing movement when restored to the control of the escapement mechanism, by means of a holding-dog which is normally disengaged from the escapement-wheel and is automatically moved into engagement therewith when the carriage is released or returned. The invention is shown in Fig. 1, a rear view, and Fig. 5 applied to mechanism in which the escapement-wheel 4 is controlled by fast and loose dogs 20, 21 on a rocker 16, and is connected by a clutch to a pinion engaging a feed-rack 2. The holding-dog 26 is pivoted on a pin 28 and is formed with an arm 34 carrying a spring-shoe 37 which engages frictionally the feed-rack teeth, or a bar on the feed-rack, and maintains the holding-dog in the disengaged position during movement of the carriage in the letter-spacing direction. If the feed rack is raised to release the carriage or if the carriage is returned without raising the feed-rack, a spring 35 moves the holding-dog into engagement with a tooth of the escapement wheel and prevents the latter from turning backwards. The holding-dog remains in engagement until the keys are operated, and is then released by the engagement of a stud 42 on the dog rocker with a lug 43 on the holding- dog. The holding-dog may be associated with a detent or click 27 which engages a tooth of the escapement-wheel and prevents the latter from turning backwards. The detent and holding-dog preferably engage the same tooth, the arrangement permitting the escapement wheel to be replaced by one having a different number of teeth. The detent may be pivoted on the pin 28 and be engaged by the spring 35. As shown, the pin is carried by a bracket 30, adjustably secured to the framework 1, and the holding-dog and detent are formed with bends 33, 32 for engaging the pin. The bracket is formed with fingers 45, 46 for supporting and limiting the movement of the arm 34 respectively. The spring shank 36 of the shoe 37 is secured to the arm 34 by screws 38 and is provided with a guard 40 having an inclined end 41 for determining the bending place of the shank. The movements of the detent are limited by the engagement of a lug 47 thereon with a fork 50 on the bracket.
Patent GB-478208-A (GB)
Title: Improvements in and relating to electric discharge devices
IPC: H01J17/14
Filed: 1936-07-13
Abstract: 478,208. Discharge lamps. BRITISH THOMSON - HOUSTON CO., Ltd., and DAVIES, L. J. July 13, 1936, No. 19422. [Class 39 (i)] A high-pressure mercury-vapour discharge lamp is provided with a pair of elongated electrodes 2, 3 at least one of which is thermionic, in the form of a truncated-V, the arc being swept to and fro along their length by a magnetic field. An extended light source of high brilliancy is obtained. If the arc current is direct, the magnetic field should be alternating, and vice versa. Preferably the narrow end of the V is at the top, where the arc is naturally driven by convective forces. As shown in Fig. 3 the electrodes may be made of tungsten sheet 5 enclosing electron-emissive material 6, except for a narrow slit at the tip. The lamp may be externally heated to maintain the vapour pressure,
Patent GB-1133083-A (GB)
Title: Improvements in or relating to anti-trichomonal compositions
Inventor: ACTOR PHILIP PAUL
IPC: C07D307/73
Filed: 1965-05-07
Abstract: 1,133,083. Nitrofuran derivatives. SMITH, KLINE & FRENCH LABORATORIES Ltd. 6 May, 1966 [7 May, 1965], No. 19468/65. Heading C2C. [Also in Division A5] Nitrofuran derivatives of the formula in which X is morpholino, piperidino, dimethylamino or diethylamino, are prepared by reacting 1-(5-nitro-2-furyl)-2-methyl-but-1-en- 3-one with an acid addition salt of morpholine, piperidine, dimethylamine or diethylamine and with formaldehyde or a polymer thereof, in the presence of an acid in solution in an inert solvent. 1 - (5 - Nitro - 2 - furyl) - 2 - methyl - but - 1- en-3-one is prepared by nitration of 1-(2-furyl)- 2-methyl-but-1-en-3-one.
Patent GB-908735-A (GB)
Title: Process for synthesising amino acids
IPC: C07C255/26
Filed: 1960-06-02
Abstract: Amino acids are prepared by reacting an aldehyde or ketone in aqueous solution in counter-current or concurrent with gaseous hydrogen cyanide in the presence of more than 0.8 mol. of ammonia per mol. of hydrogen cyanide, followed by hydrolysis of the resulting aminonitrile.  Specified starting materials are b -cyanopropionaldehyde, acetaldehyde, formaldehyde and acetone, which yield as products glutamic acid, alamine, glycine and a -amino-isobutyric acid, respectively.  A hydrogen cyanide-containing gas suitable for the reaction may be obtained by reacting methane with ammonia in the presence of oxygen or by reacting carbon monoxide with ammonia in the presence of oxygen.
Patent GB-958951-A (GB)
Title: Process for making cellular polyether materials
Inventor: PHILLIPS LESLIE NATHAN
IPC: C08J9/00
Filed: 1959-06-09
Abstract: A process of making polyether foamed plastic materials comprises reacting together a polyether polyol, a diisocyanate having two reactive NCO groups, not more than 1% of ethyl cellulose based on the total weight of the polyol as a bubble modifying agent, water and a catalyst for promoting reaction between the polyol and the diisocyanate, the conditions being such as to preclude the isolated reaction of the polyol with the diisocyanate, the process including the steps firstly of dissolving the ethyl cellulose in the polyol or a suitable plasticiser at an elevated temperature and cooling, and secondly the addition of the remaining ingredients at room temperature. Suitable catalysts are dibutyl tin dilaurate or diacetate and/or a tertiary amine such as cetyl dimethyl amine. In Example 1 ethyl cellulose is dissolved in a heated mixture of a polypropylene diol and a polypropylene triol. To the cooled product are added water, a tertiary amine, dibutyl tin dilaurate and toluylene diisocyanate and a soft elastic foam is produced. In a similar Example 2 the ethyl cellulose is dissolved in sebacic acid plasticizer before it is added to the polyol.  In Example 7 mixed polyether diol and triol is used.  Dibutyl tin diacetate, tetramethyl butane diamine and triethylene diamine mixed with dibutyl tin diacetate are other specified catalysts.  Reference has been directed by the Comptroller to Specification 877,289.
Patent GB-697504-A (GB)
Title: Inspection machines for textile fabrics
IPC: D06H3/04
Filed: 1951-08-21
Abstract: 697,504. Unwinding and winding webs. CELANESE CORPORATION OF AMERICA. Aug. 21, 1951 [Aug. 22, 1950], No. 19707/51. Class 100(i) [Also in Group VIII] In an inspection machine for textile fabrics, fabric 14 is drawn from a supply roll 15 by a feed roll 17 and is taken up on to a batching roll 24; feed roll 17 is driven at a constant speed, slipping drive means for roll 15 impart a torque thereto in the direction opposing the unwinding of the fabric, and slipping drive means for roll 24 impart thereto the torque necessary for the winding of the fabric under tension thereon. Roll 17 is driven by a reversible motor 25 through a magnetic brake 26 and a Vee-belt drive 31 to a sleeve 30 which is. adjustable to vary the speed of roll 17; brake 26 cuts in automatically when motor 25 is stopped to prevent override, A motor 32 acts through a hydraulic torque converter 33 to apply torque to supply roll 15 in a direction opposing unwinding of fabric 14; motor 32 is reversible so that fabric can be unwound from a face-in or face-out position on roll 15. Batching roll 24 is driven by a motor 36 through a variable-ratio Vee-belt drive 37 and a hydraulic torque converter 38; belt drive 37 is so adjusted that roll 24 tends to rotate at a peripheral speed greater than that of roll 17, whereby the fabric is wound under suitable tension. In operation, motor 32 is started by a switch 45; a pedal 46 is then depressed to close a switch 47 and start motors 25 and 36. To move the fabric backward, i.e. from roll 24 to roll 15, a reversing switch 48 is operated whereupon motor 36 stops and motor 25 is reversed when pedal 46 is depressed; roll 17 is then driven backwards and the fabric is wound on to roll 15 by motor 32, the slippage in torque converter 38 imposing a proper tension on the fabric as it is pulled off roll 24.
Patent GB-1149531-A (GB)
Title: Improvements in or relating to a galvanometer measuring instrument
IPC: G01N27/16
Filed: 1966-05-04
Abstract: 1,149,531. Galvanometers; indicating apparatus; measuring gas concentration. CHARBONNAGES DE FRANCE. May 4, 1966 [May 4, 1965], No.19716/66. Headings G1J, G1N and G1Q. The movement of a galvanometer - as shown of the magnet-cored moving coil type - carries two pointers 7, 8 and the instrument housing has a viewing window 12 Fig. 3 (not shown) through which the scale 13 and one of the pointers is visible. The angular extent of the window is from a position between the bottom stop 10 and the scale zero to a position just beyond the top stop 9. Thus normally only pointer 7 is visible; but should the polarity of the current being measured be reversed, pointer 7 becomes invisible and pointer 8 comes into view. The galvanometer is designed for use as the output element of a Wheatstone bridge for detecting resistance changes in a platinum filament exposed to an atmosphere containing inflammable gas such as methane. The change in resistance of the platinum, which is heated by catalytic combustion of methane at its surface, produces an out of balance bridge current which rises with gas concentration within a predetermined measurement range (as shown, 0 to 3%) but which changes polarity abruptly at a much higher concentration (e.g. 8%). The pointer is thus a concentration indicator and the pointer 8 an alarm signal.
Patent GB-530947-A (GB)
Title: Improvements in and relating to snap fasteners
IPC: F16B9/02
Filed: 1939-07-07
Abstract: 530,947. Snap fastenings. CARR FASTENER CO., Ltd., and CLARK, G. W. July 7, 1939, No. 19816. [Class 44] An article such as a coil can 1 of a wireless set is attached to a support such as the chassis 2 by snap fasteners each of which comprises a resilient metal strip bent to U-form, the longer leg 4 being secured to the part 1 by rivet 5, the other limb 8 being bent inwardly and upwardly to provide a sloping surface 9, which, when the nose 3 has been passed through an aperture 11 in the support, snaps into engagement with an edge of the aperture. The end of limb 8 may project as a tongue 10 of reduced width. The end 6 of limb 4 may engage in an aperture in the part 1. The aperture 11 may be of any suitable shape, such as circular or D-form. In the latter case the straight edge of the aperture forms a bearing for the limb 4. Specification 528,441 is referred to.
Patent GB-329215-A (GB)
Title: Improvements in electrical condensers and containers therefor
IPC: H01G4/224
Filed: 1929-06-28
Abstract: 329,215. LeclanchÚ Soc. Anon. June 10, 1929, [Convention date]. Condensers. - The bottom b of a container a for an electric condenser comprises a single piece of insulating material solidified solely by very high pressure into which the terminals d, m and the bent-up edges c of the container are sunk in part during the manufacturing process. Fig. 1 shows the armatures of the condenser e connected to the terminals by insulated flexible leads f bent at h so that on inserting the condenser into the casing a the leads fold themselves flat. In Fig. 4, the terminals are provided with insulated extension wires bent at k so as to lie along the walls of the casing. The armatures are connected to the extensions by leads l before inserting the filling insulation and fixing the closing plate i. In Fig. 5 the terminals m are in the form of short tubes through which the leads to the armatures are drawn on inserting the condenser, and to which they are subsequently soldered.
Patent GB-995724-A (GB)
Title: Improved circuit for producing square pulses
Inventor: REID IAN ALASTAIR
IPC: H03K5/08
Filed: 1960-06-07
Abstract: 995,724. Protective systems. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. July 18, 1961 [June 7, 1960], No. 19981/60. Heading H2K. [Also in Division H3] A protection system of the phase comparison type utilizes an improved circuit for producing a square wave from a sine wave. The circuit shown is suitable for use in the protective system described in Specification 952,324, in which tripping signals due to a critical phase difference between currents at line section terminals are suppressed. The input terminals T1, T2 are fed from a transformer shunted with a voltage limiting resistor. The sine wave at terminals T1, T2 is converted into a trapezoidal wave by resistor R1 and diodes W1, W2 before being differentiated by C1, R2. A threshold circuit comprising diodes W3, W4 is provided, the output of which is fed via an isolating amplifier TR1 and a blocking capacitor C3 to a bi-stable circuit comprising transistors TR2, TR3, which provides a square wave at T6 corresponding to inputs at T1, T2 above a predetermined amplitude.
Patent GB-1513772-A (GB)
Title: Starter motors for internal combustion engines
IPC: F02N15/06
Filed: 1975-05-13
Abstract: 1513772 A starter for an internal combustion engine ROBERT BOSCH GmbH 13 May 1975 [2 July 1974] 19996/75 Heading F1K A starter for an internal combustion engine comprises a pinion 14 which is displaceably and rotatably mounted with respect to a drive-shaft 3 of the starter and which is carried by a gear shaft 13, the pinion being connected to an engaging rod 16 and coupled by way of a coupling in the form of a combined friction clutch and gear clutch with a carrier 9 which is connected to the drive-shaft. The coupling has a first toothed coupling member 38 which is splined on a portion 35 of the gear-shaft so as to be longitudinally displaceable thereon and is in toothed engagement with a second toothed coupling member 42 which is rotatably mounted on the gearshaft and simultaneously carries inner clutch plates 45 of the friction clutch. Outer clutch plates 51 of the friction clutch are connected to the carrier and the first toothed coupling member is movable in a similar direction to the engaging direction of the starter pinion to engage the gear clutch. A split resilient ring 56 serves as the centrifugal weight of a centrifugal separator for assisting disengagement of the gear clutch.
Patent GB-275966-A (GB)
Title: Improvements in or relating to lead-in insulators, particularly for electric apparatus
IPC: H01B17/28
Filed: 1927-07-29
Abstract: 275,966. Siemens - Schuckertwerke Akt.-Ges., (Assignees of Siemens-Schuckertwerke Ges.). Aug. 10, 1926, [Convention dale]. Drawings to Specification. Protective arrangements. - Parasitic oscillatures, set up by stray waves, in the vicinity of leading-in insulators, are damped or prevented by interposing ohmic resistance in such local circuit. Leading-in insulators with condenser insertions have resistances connected between the insertions, preferably the outermost. Other leading-in insulators may have a tube of resistance material surrounding the conductor or arranged as a mounting for the insulator. The resistance value may approximate to the characteristic impedance of the line or to the oscillation resistance of the local circuit including the capacity of the insulator. According to the Specification as open to inspection under Sect. 91 (3) (a) the invention included supporting insulators and the mountings of such included resistance material in a portion of the path of the capacity current. This subject-matter does not appear in the Specification as accepted.
Patent GB-893575-A (GB)
Title: Dyestuffs and photographic materials and process
IPC: C09K23/00
Filed: 1958-06-24
Abstract: The invention comprises dyes which contain as a silver halide developing group an o or p-dihydroxyphenyl group, or an alkyl or halogen derivative thereof, and which also contain at least one oxalyl ester of an aromatic or aliphatic hydroxyl group.  The invention includes dyes which contain an alkoxalyl or aryloxalyl ester of at least one of the hydroxy groups of the developing group. The dyes are made by conventional acylation processes. Azo and anthraquinone dyes are mentioned.  For the first group of dyes the preferred oxalyl group is of formula <FORM:0893575/IV (c)/1> where R is alkylene, R1 is alkylene of 2-4 C atoms, n is O or 1-3 and R2 is alkyl or aryl.  Preferably R is lower alkylene, e.g. ethylene, trimethylene and propylene.  Specified for R1 are the listed values for R.  R2 is specified as ethyl, butyl, hexyl, lauryl, phenyl and tolyl and, when alkyl, is preferably of 1-12 C atoms when n is O, and 1-4 C atoms when n is 1-3.  The o- and p-dihydroxyphenyl groups may be linked to the chromophore component of the dye molecule by a divalent radical or a covalent bond.  Typical of specified divalent radicals are ethylene, phenylene, -COCH2-, thio oxy, sulphonyl, -S-CH2-CH2-, <FORM:0893575/IV (c)/2> , and -SO2-CH2-CH2-.  Preferred dyes are of formula <FORM:0893575/IV (c)/3> where Me is alkylene, p is 1 or 2, R1, n and R2 are as above and ??? is an azo or anthraquinone dye radical, preferably of a mono- or dis-azo dye. Representative of specified first group products are 4 - [p - (21, 51 - dihydroxyphenethyl) - phenylazo] - 3 - [N - (b  - hexoxalyloxyethyl) - carboxamido] - 1 - phenyl - 5 - pyrazolone, 2-[p-(21, 51 - dihydroxy - phenethyl) - phenyl azo] - 4 - [N - (b  - ethoxalyloxyethoxy) - 1 naphthol and 4 - [b  - (21, 51 - dihydroxy - phenyl) - a  - methylethylamino] - 1 - ethoxalyl-oxyethylamino - anthraquinone. Dyes of the second group preferably have the formula <FORM:0893575/IV (c)/4> where R2 is an alkyl group and Z is the residue of a dye molecule, preferred being azo and anthraquinone dyes which are free from aliphatic alcohol groups.  Any free aliphatic alcohol groups in the dyes used in this modification of the invention should also be esterified during the process used for the obtention of the oxalyl esters.  Representative of specified second group products are 2-[p-(21-51-bis-ethoxalyloxyphenethyl)-phenylazo] - 4 - methoxy - 1 - naphthol, 1 - phenyl - 3 - amino - 4 - [p-(21, 51 - bis-ethoxalyloxyphenethyl) - phenylazo] - 5 - pyrazolone and 1 - phenyl - 3 - methyl - 4 - [p - (21, 51 - bis - ethoxalyloxyphenyl - thioethyl) - phenylazo ] - 5-pyrazolone.  The dyes are used in photographic processes and products (see Group XX) and for colouring synthetic textiles such as nylon.  Examples illustrating the preparation of the dyes and their use in photography are provided. Specifications 684,592, 804,971, 804,972, 804,973, 804,974, 804,976, 811,579, 853,478, 853,479 and 880,021 are referred to.
Patent GB-899002-A (GB)
Title: Chain connectors
Inventor: ANDREWS JOHN WILLIAM
IPC: F16G15/02
Filed: 1958-06-24
Abstract: 899,002. Chain connectors. PARSONS CHAIN CO. Ltd. June 24, 1958, No. 20276/58. Class 24. A chain connector for connecting the two ends of a chain, includes two plates 2, 3 which mate together over the ends of two U half-links and are secured together by taper pin 6 wedging in hole 12. The abutting faces of the two plates 2, 3 are perpendicular to pin 6 and the two plates are separated by movement in the direction PQ.
Patent GB-785429-A (GB)
Title: Plant for recovering vaporisation and condensation products, sublimates, dusts and the like, from the outgoing air of furnace rooms in aluminium electrolysis
IPC: B08B15/00
Filed: 1956-06-29
Abstract: 785,429. Removing fumes and dust generated in industrial processes. VEREINIGTE ALUMINIUM-WERKE AKT.-GES. June 29, 1956 [July 19, 1955], No. 20277/56. Class 8(2). Recovery of dust and condensible fumes generated by an aluminium electrolysis bath (not shown) is effected by admitting air through controlled apertures in the walls of the workroom near the floor, passing dust and fume-laden air between turns of a sinuous water-cooled pipe 1, Fig. la, suspended by ropes 2 and which serve to condense the fumes, and finally passing dust-laden air through a known cyclone 11, Fig. 2, having a clean air discharge outlet 8 passing through the workroom roof and being connected to a revolving cowl 13. Condensed fumes collect in a trough 6 and dust collects in a cyclone chamber 12.
Patent GB-994056-A (GB)
Title: Improvements in or relating to hydraulic compositions
Inventor: ROBIN PETER HUTCHINSON
IPC: C04B41/48
Filed: 1961-06-06
Abstract: A floor of an hydraulic composition such as Portland cement, Portland/blast furnace cement, aluminous cement, natural or synthetic anhydrite or anhydrous or hemihydrated gypsum is rendered wear-resisting by impregnating the surface thereof with a liquid cold-setting resin such as a polyester, epoxy resin, furane resin, phenol/formaldehyde resin, urea/formaldehyde resin, or polyurethane or mixture thereof.  The impregnated surface may be sanded to expose the aggregate.  An additional coating layer may optionally be applied to the treated surface.  The cement and/or either or both resins may contain a pigment.