baber/WOPTO huggingface dataset:
Patent GB-786303-A (GB)
Title: Method of producing lower alcohols and ethers
IPC: C07C29/00
Filed: 1955-07-20
Abstract: Lower alcohols, containing from one to eight carbon atoms, are produced with or without ethers by treating olefines and/or ethers with sulphuric acid, phosphoric acid or sulphonic acids, hydrolysing the reaction products by the addition of water and removing volatile hydrolysis products by distillation, at least the latter part of the distillation, i.e. when the concentration of alcohol has been decreased to 1 per cent or less by weight, being carried out in the presence of an insoluble finely divided inert adsorption material for the tarry products formed, and the remaining acid, after the complete or partial removal of the volatile products, with or without removal or destruction of the adsorption material being re-used, with or without previous re-concentration for further treatment of olefines and/or ethers. Suitable adsorption materials are carbon, sulphur, clays, glass, diatomaceous earth, barium sulphate, calcium sulphate, carborundum, or emery, all in the form of a fine powder, or fibres of asbestos or of polyvinylchloride.  The adsorption material may be treated with a wetting agent before adding it to the acid mixture. In the examples a mixture of ethyl sulphates and sulphuric acid obtained by the absorption of ethylene in concentrated sulphuric acid is hydrolysed with water to which lamp black had been added and the volatile reaction products are distilled off; crude ethanol is obtained and the acid remaining may be filtered and re-used; (b) the process is carried out as in (a) using fuller's earth instead of lamp black; (c) the process is carried out as in (a) except that the lamp black is previously wetted with cetyl triethylammonium chloride; (d) the process was carried out as in (a) except that the lamp black was added to the partially hydrolysed mixture; and (e) propylene is absorbed in sulphuric acid and the resulting mixture is hydrolysed with water containing carbon black previously wetted with cetyl triethylammonium chloride to give crude isopropanol.  It is stated that in all cases small amounts of the corresponding ethers are formed which are wholly or partially carried back into the process to serve as starting materials.
Patent GB-261830-A (GB)
Title: Improvements in curtain rail supports
IPC: A47H1/144
Filed: 1925-08-22
Abstract: 261,830. French, G. F. Aug. 22, 1925. Brackets; curtains, suspending. - Brackets for perforated curtain rails of inverted T, H or like flat web bendable section comprise a tube b or other distance piece and a separate or integral length of strip metal a folded to lie at one or both ends in the line of the tube and also to produce an inclined stay part, with a single long screw c passing through the rail, tube and stay. The metal strip may be supported above or below the long screw by one or more small screws passing through the end of the inclined stay part. A tube, circular or square in cross section, may be made integral with a diagonal stay in strip form. The metal strip e may be stiffened as at e<2> to form the distance piece, and the bottom of the stay bent up as at e<1> and formed with lugs for small screws. The stay a may pass over the rail and receive the screw. Reference has been directed by the Comptroller to Specification 3975/89.
Patent GB-149663-A (GB)
Title: Electrically driven talking machine
IPC: G11B15/28
Filed: 1920-07-12
Abstract: 149,663. Ebner, A. July 12, 1920. Motors, supporting. - The electric motor of a phonograph is suspended in such a way as to be acoustically insulated on bands 6 which are obliquely arranged and connected by springs after passing over rollers 8.
Patent GB-167759-A (GB)
Title: Firing mechanism for automatic rifles
IPC: F41A19/32
Filed: 1921-08-09
Abstract: 167,759. Declaye, J. Aug. 10, 1920, [Convention date]. Firing-mechanism.-Relates to automatic rifles having a sear-actuating link, pivoted to the trigger, acting on the edge of a step on the sear and adapted to be disengaged from the step by a trip lever actuated by the recoil of the breech-block. According to the invention, the trip lever is cranked and is operated by a notch in the breechblock. In the construction shown, the searactuating link 1, pivoted at 11 to the trigger 2, has a lateral projection at the top engaging a step 12 on the sear 3. The link is disengaged from this step, when the breech-block 5 recoils, by a bell-crank lever 6, the top end of which enters a notch 8 in the breech-block when the breech is closed, while the bottom end has a side arm 18 engaging the bottom end of the link 1.
Patent GB-704364-A (GB)
Title: Method and apparatus for treatment of objects with ultra short waves
IPC: A45D20/00
Filed: 1951-09-07
Abstract: 704,364. Electric heating by high frequency fields. BLAUPUNKT-WERKE GES, Sept. 7, 1951 [Sept. 7, 1950], No. 21147/51. Class 39 (3) A method of heat treating objects with ultra-short waves utilizing a high frequency generator comprising a frequency determining generator circuit and a loading circuit coupled therewith, and including a condenser having the treated material forming at least a part of its dielectric, wherein at the start of the treatment, when the material is cold, the circuits are mutually adjusted to give a high output from the generator, and wherein changes of the reactance, dielectric constant, or angle of loss of the material during treatment automatically alter such adjustment to give a correspondingly lower output from the generator, but without substantially altering the frequency of the generator circuit. Apparatus for the permanent waving of the hair, Fig. 3, includes a high frequency oscillator which feeds a tank circuit comprising an inductance 6 and capacitor 7. The tank circuit is coupled to a secondary winding 9 including a capacitor 10, which secondary winding is connected to the input of a cable 11 feeding heating electrodes 12, 13. The electrical data of the loading circuit is arranged so that the output voltage of the cable is practically independent of the load impedance, and to keep a substantially constant frequency of the generator during the heating process the reactive power of the generator is large.
Patent GB-460248-A (GB)
Title: Manufacture of 2-aminoquinizarin and the substitution products thereof
IPC: C09B1/503
Filed: 1935-07-25
Abstract: 2-Nitroquinizarin or a substitution product thereof is reduced to the corresponding amino compound by means of hydrogen, in presence of a reducing catalyst, such as nickel or platinum, and of a diluent.  In examples, (1) 2-nitroquinizarin and (2) 1 : 3 : 4-trihydroxy-2-nitroanthraquinone are reduced with hydrogen under elevated pressure in presence of a nickel catalyst, in water.  The 2-nitroquinizarin may be reduced using a platinum catalyst under ordinary pressure and alcohol or chlorobenzene may be substituted for the water.
Patent GB-893749-A (GB)
Title: Process for dyeing textiles
IPC: D06P5/12
Filed: 1960-06-16
Abstract: In the process of the parent Specification for dyeing or printing textile materials by applying an aqueous preparation containing a dyestuff derivative obtained by reacting a water-soluble dyestuff containing a substituent capable of reacting with alkylol or etherified alkylol groups with an aminoplast precondensate containing alkylol or etherified alkylol groups and then heating, improved results are obtained in respect of textile piece goods when they are subjected to a mechanical pressure treatment, as with a calender or pleating machine, after the aqueous preparation is applied but before the heat treatment. A colourless aminoplast may also be applied before or together with the dyestuff derivative.  Resists may also be applied locally prior to treatment with the dyestuff derivative.  The process may also be combined with the local application of a swelling agent to produce local shrink effects.  Examples are given in which the dyestuff derivative is that obtained by reacting in one case, an azo dyestuff, and in another case, an anthraquinone dyestuff, containing a diamino - 1 : 3 : 5-triazinyl-amino group with hexamethylolmelamine hexamethyl ether.  The colourless aminoplast, when applied, is also hexamethylolmelamine hexamethyl ether.  In the examples the process is applied to cotton fabrics.
Patent GB-315322-A (GB)
Title: Packing case
IPC: B65D6/00
Filed: 1929-07-11
Abstract: 315,322. Cuylits, H. July 11, 1928, [Convention date]. Knock-down boxes. - A packing-case with separable and similarly-formed side, end and bottom members has the connection between these members afforded by angle pieces such as 5, Figs. 2 and 4, and 5<1>, Fig. 5, engaged by the edges of the adjacent members as shown. A lid 4, similarly secured to the body members holds the structure erected and is secured by a fastening of known construction. The box members may be of plywood, the layers of which have crossing fibres. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the constructions shown in Figs. 6, 7, 8, 9 and 10, (Cancelled). This subject-matter does not appear in the Specification as accepted.
Patent GB-215423-A (GB)
Abstract: 215,423. Monk, E. V., Jones, G. H., and Ashton Bros. & Co., Ltd. Feb. 3, 1923. Carding.engines.-The undergrid or casing of the licker-in is provided with bars a formed of thin flat strips of metal of substantially the same cross-sec. tion throughout. The upper edges b of the bars may be flat, slightly curved, or slightly wider than the remainder of the bar. Reference has been directed by the Comptroller to Specifications 18240/89, 12150/06, 12297/06, and 4714/13.
Patent GB-1047704-A (GB)
Title: Emulsifiable polyethylene waxes
IPC: C08F8/06
Filed: 1963-05-30
Abstract: Emulsifiable polyethylene waxes are produced by a process which comprises oxidizing a nonemulsifiable polyethylene wax by intimately contacting all of the wax with an oxygen-containing gas (e.g. oxygen alone or air) in the presence of at least one aliphatic monocarboxylic acid.  Oxidation is generally effected at 100-250 DEG C. at pressures of up to 70 kg./sq. cm. (gauge), and is preferably continued until the product has an acid number of from 4 to 25. Catalysts, e.g. organic peroxides such as di-t.-butyl peroxide, and stabilizers, e.g. sodium or potassium carbonate, may optionally be present. The initial polyethylenes generally have molecular weights of 250 to 6000, softening points of 88 DEG  to 125 DEG  C., acid numbers of substantially 0, and densities of 0.90 to 0.97. Monocarboxylic acids specified are acetic, propionic, butyric, isobutyric, valeric, caprylic, nonanoic, lauric, palmitic, stearic, nonadecanoic, acrylic, butenoic, sorbic and oleic acids.
Patent GB-860252-A (GB)
Title: Improvements in the manufacture of spoke wheels
Inventor: GIORDANI PIETRO
IPC: B60B1/00
Filed: 1958-07-05
Abstract: 860,252. 8mall-vehicle wheels. GIORDANI, P. July 5, 1958, No. 21624/58. Class 144 (1). A wheel is made of two side halves 1, 2, one half having the rim 101 joined to a hub disc 102 by spokes 103 and the other half having the corresponding features 201, 202, 203, respectively, and each half is formed by pressing from a single sheet-metal blank. The spokes in each half are obtained by rolling into substantially tubular form each " leg " of a spider of strips connecting the hub disc to the rim. The wheel halves are joined by connecting each of the discs 101, 201 to a hub sleeve 6 and directly at the rim in the manner shown in Fig. 2 or otherwise, preferably with each spoke of one half arranged to lie within the angle formed by two spokes of the other.
Patent GB-1077202-A (GB)
Title: Fluid resistor
IPC: F15C1/02
Filed: 1965-05-21
Abstract: 1,077,202. Regulating fluid-flow. LEE CO. May 21, 1965 [May 21, 1964], No.21629/65. Heading G3H. A fluid resistor comprises a plate 10 formed with a series of orifices 24 having cylindrical inlet and outlet chambers 22, 25. The outlet chamber 25 is connected by a passage 26 to the inlet chamber of the reset orifice and the inlet chamber 22 is connected by a passage 23 to an inlet chamber of the set, which is supplied with the fluid through a port in a plate (not shown) covering the plate 10. Similarly the chamber 27 is an outlet chamber connected to a port in a second cover-plate. All the passages 23, 26 lead tangentially to and from the cylindrical chambers and the outlets from the outlet chambers are arranged so that the fluid leaves in a direction opposite to the swirling flow in the chambers.
Patent GB-621220-A (GB)
Title: Improvements in or relating to magnetic circuits
IPC: H05H7/04
Filed: 1946-07-19
Abstract: 621,220. Electromagnets. GALLOP, J. W. July 19, 1946, No. 21642. [Class 35] [Also in Group XL (a)] Flux variations in an air-gap, e.g. that of a betatron are obtained in one form by means of a shunt path of variable reluctance, the reluctance of the whole magnetic circuit being kept constant by a similar parallel circuit with opposite variations connected in series, and in another form by means of a series connected variable reluctance, the reluctance of the circuit being maintained constant by a further similar series circuit in parallel with the first. The variations of reluctance are achieved by suitably shaped members rotating between polepieces. As shown for a circuit 1 energized by a coil 2 and comprising two parallel circuits in series, the working gap 6 and a dummy gap 7 are shunted by rotors 10 and 11 respectively. The rotors which are relatively angularly displaced by 90 degrees, may be of salient pole type or, as shown, they may comprise a series of axial laminµ A, B, C ... separated by non-magnetic spacers E, F, G ... The laminµ may be further laminated to reduce eddy currents and their ends cover a quadrant of the rotor circumference so that the flux carried is proportional to the angle of rotation. In the case of salient pole rotors, the corners of the rotary or stationary poles may be of saturable iron dust to improve the linearity of flux change. Instead of individual rotors for each limb a switching device may be used to switch the flux from one limb to another.
Patent GB-335305-A (GB)
Title: Improvements relating to chimney caps
IPC: F23L17/02
Filed: 1929-07-15
Abstract: 335,305. Blanchard, L. L. July 15, 1929. Chimney-tops.-A chimney cap A is hollow and is provided with a hollow depending portion B having an outer wall 6 and an inner converging wall 7, forming a sealed air chamber which is in communication with the interior of the cap. The device is supported by an outwardlyturned flange 8 at the top of the outer wall 6, and this flange 8 is connected with the sloping wall 9 of the cap which may be either of frusto-conical or frusto-pyramidal shape. A flange 10 depends from the wall 9 of the cap to embrace the top course of the chimney.
Patent GB-315582-A (GB)
Title: Improved manufacture of desiccating material
IPC: C01B11/18
Filed: 1928-07-26
Abstract: 315,582. Wade, H., (Thomas. E.). July 26, 1928. Addition to 303,263, [Class 1 (iii). Oxides &c., Metallic]. Ammonia.-Anhydrous ammonia is obtained by absorbing moist ammonia by means of granular anhydrous magnesium perchlorate until the trihydrate is formed and then releasing anhydrous ammonia by heating up to 180‹ C. below which temperature the trihydrate is stable. Anhydrous perchlorate for further use may be reformed by continuing the heat treatment above 180‹ C. at temperatures up to 350‹ C.
Patent GB-839023-A (GB)
Title: Improvements in or relating to neomycin derivatives and the manufacture thereof
IPC: C07H15/232
Filed: 1957-07-09
Abstract: A neomycin Schiff's base having similar biological properties to the parent neomycin and being water-insoluble, is obtained from an aldehyde of formula <FORM:0839023/IV (b)/1> wherein R and R1 are the same or different and each represent hydrogen or an alkyl, 1 to 8 carbon, alkoxy, hydroxy, halogen or nitro group and neomycin B, neomycin C, or mixtures thereof.  The reaction takes place in an inert solvent, e.g. water, alkanol or aqueous alkanol, at pH 8.5 to 12, between 5 and 10 molar equivalents of the aromatic aldehyde being used for each mol. of the neomycin compound.  The Schiff's base may be used as such for the treatment of humans and animals, or may be converted to the corresponding mineral acid salt of neomycin by dissolving in an inert solvent such as acetone or alcohol, and adding a mineral acid such as hydrochloric, sulphuric, hydrobromic or phosphoric acids.  The base may be used in the purification and isolation of neomycin from a clarified fermentation broth by adjusting to pH 8.5 to 12, adding the aromatic aldehyde and filtering off the precipitated Schiff's base.  Examples describe the preparation of (a) hexasalicylidene neomycin B; (b) hexabenzylidene neomycin B and its catalytic hydrogenation to hexa-N-benzylneomycin B; (c) tetra-m-nitrobenzylidene neomycin B; (d) hexa-3,4-diethoxybenzylidene neomycin B; (e) hexa-p-methoxybenzylidene neomycin B; (f) hexa-p-nitrobenzylidene neomycin B; (g) hexa-1-naphthylidene neomycin B; (h) hexa-o-methoxybenzylidene neomycin B; and (i) hexa-2,4-dichlorobenzylidene neomycin B.
Patent GB-958528-A (GB)
Title: Improvements in or relating to cable-entry arrangements
Inventor: GRAVES ALBERT ERNEST
IPC: H01B17/30
Filed: 1961-06-16
Abstract: 958,528. Cable glands. AUTOMATIC TELEPHONE & ELECTRIC CO. Ltd. May 18, 1962 [June 16, 1961], No. 21779/61. Heading H2E. A cable entry, for potted loading coils for telecommunication transmission cables, consist of a ferrule with the bore enlarged at one end into which a concentric bulge on the cable is forced by a gland nut. The ferrule 13 is welded to the lid of the pot 12, and the cable 10, with polythene insulation 11 and having a bulge 16 is inserted through the bore. Two layers of self-amalgamating putty tape 17 are wound round the bulge 16 and the bulge pulled into the enlarged bore of the ferrule. A sleeve 23 engages the second surface of the bulge and is held in place by washer 24 and gland nut 25 which is screwed on to the outside of the ferrule. At the other end of the ferrule, two layers of putty tape 26 are wound round the cable and an extension piece 27 screwed on to the ferrule. A nylon sleeve 31 is placed over the cable and forced into position by washer 32 and gland nut 33. The putty tape, which is impervious to water, " flows " into the crevices and threads of both joints and makes a water-tight seal. The outer seal may alternatively be made by attaching the extension piece 27 and filling the gap with a suitable grade of epoxy resin which hardens from the initial liquid state to a flexible constituency.
Patent GB-1593617-A (GB)
Title: Conveyor turntables
IPC: B65G13/00
Filed: 1978-05-24
Abstract: With the transfer unit, material to be conveyed, arriving on a conveyor track (11) and formed as single pieces with a flat underside, can be transferred laterally from the direction (12) of the conveyor track to a second conveyor track (13) arranged essentially at the same height and having a different conveying direction (14). The arrangement comprises transfer means (20) with rollers (10) on all sides which are arranged in a rectangular zone. The zone is subdivided diagonally into two triangles (16, 17) which each contain rollers on all sides of one and the same orientation. Several transfer means (20) of this type are joined together in one plane to form a transfer zone of larger base area. <IMAGE>
Patent GB-301768-A (GB)
Title: Improvements in shuttles for looms
IPC: D03J3/04
Filed: 1927-07-02
Abstract: 301,768. Turner & Co., Ltd., S., Turner S., and Eastaugh, T. July 2, 1927. Divided on 301,770. Shuttles.-To present accidental unthreading of the shuttle a slot is provided in the threader block a to take a metal shield &c. b of elongated and substantially rectangular form having its upper end turned down and curved to conform with the similarly shaped base of the slot, the rear end b<1> being pointed and projecting below the rear end or edge of the threader block, which is slightly built up in the form of a ledge. A groove c facilitates threading, and the threader block has a downwardly projecting peg or pin to assist in maintaining the thread in proper position in the eye.
Patent GB-804820-A (GB)
Title: Improvements in and relating to elastic straps or bracelets
IPC: A44C5/08
Filed: 1956-07-16
Abstract: 804,820. Bracelets. RODI & WIENENBERGER A. G. July 16, 1956 [July 23, 1955], No. 21881/56. Class 43 An elastic link strap comprises hollow links a. Fig. 1, interconnected by pairs of bracket arms g joined at one end by a pivot h engaging in one hollow portion a<SP>1</SP> of the link and joined at the other end by a flat bar i which acts as a cam pivoting between a straight arm d forming a resilient integral extension from the hollow portion a<SP>1</SP> and the end e of another hollow portion a<SP>11</SP> integral at one side with the hollow portion a<SP>1</SP>. Alternatively the links k, Fig. 3, comprise two substantially rectangular hollow sections interconnected by U-shaped brackets s having upper and lower arms t<SP>1</SP>, t<SP>11</SP> with flanges v, x which move in apertures u, w in a resilient arm r extending from one arm q of the link k and in a side wall o<SP>11</SP> respectively. Separate springs may be mounted in the links in addition to or instead of the spring arms d, r. The bar i and end e may also be resilient. The arms g may have a cover extending between the links and the links may be narrow forming the sides of the stops instead of the top.
Patent GB-531649-A (GB)
Title: Improvements in or relating to transparent or translucent walls and slabs for the construction thereof
IPC: E04C1/42
Filed: 1939-07-28
Abstract: 531,649. Walls: glass blocks. COMPAGNIES REUNIES DES GLACES ET VERRES SPECIAUX DU NORD DE LA FRANCE. July 28, 1939, No. 21945. Convention date, July 30,1938. [Classes 20 (iii), 20 (iv), and 87 (i)] Hollow glass or like transparent or translucent walls comprise hollow composite blocks R formed of two opposed tray-like slabs 1, 2, the four edges of each of which are rabbetted so as to form double-dovetail channels 13 with the edges of the continguous blocks, such channels being filled in situ with cement or concrete which may be reinforced by bars 12. The channels may be lined with bituminous or similar plastic material 9. Specification 227,698, [Class 20 (iv)], is referred to.
Patent GB-1378364-A (GB)
Title: Chlorinated polyvinyl chloride resin powder and process for prepar ation thereof
IPC: C08F8/20
Filed: 1973-05-08
Abstract: 1378364 Chlorinated PVC KANEGAFUCHI KAGAKU KOGYO KK 8 May 1973 [9 May 1972] 21965/73 Heading C3P Chlorinated PVC containing 57-73% chlorine is obtained by chlorinating a powder consisting of coagula which are membrane-free, have particle sizes of 30-200 Á and are formed from basic particles of size 0À5-2 Á and which have been obtained by polymerizing vinyl chloride in an aqueous phase with an oil-soluble initiator at 25-65‹ C. in the presence of (per 100 parts of monomer) 0À01-0À3 part of surface active agent, 0À005-0À3 part of a watersoluble metal salt and 0À01-0À3 part of a polymeric dispersing agent. Chlorination is effected with irradiation or in the presence of an auxiliary agent, e.g. TiCl 4 , SbCl 3  or PCl 5 .