baber/WOPTO huggingface dataset:
Patent GB-1475798-A (GB)
Title: Detergent compositions containing water-soluble polyesters
IPC: C11D1/22
Filed: 1974-07-12
Abstract: 1475798 Polymeric detergent builders RHONE-PROGIL 12 July 1974 [13 July 1973] 31020/74 Addition to 1418975 Heading C5D [Also in Division C3] A detergent composition comprises a surfaceactive agent and water-soluble polyester which has been sulphonated at the unsaturated aliphatic chains, the polyester being either the polycondensation product of (a) an aromatic diacid anhydride or diester, (b) an unsaturated aliphatic diacid, anhydride or diester and (c) a saturated glycol, which product has been sulphonated, or the polycondensation product of (a) an aromatic diacid anhydride or diester, (b<SP>1</SP>) an unsaturated aliphatic diacid diester which has been sulphonated and (c) a saturated glycol. The composition may also include an inorganic detergent builder, a whitener, an anti-redeposition agent, perfume, an optical brightening agent or an inert filler. The polyesters used in the examples are derived from (a) isophthalic acid, dimethyl sulphosuccinate and diethylene glycol, and the terminal carboxyl groups of the resulting polyester may be esterified with an oxyethylenated C 12  fatty alcohol, and (b) dimethyl isophthalate dimethyl maleate and di- or triethylene glycol the resulting polyester being sulphonated with sodium metabisulphite. The surface-active agents used in the examples are (i) sodium dodecyl benzene sulphonate and (ii) an oxyethylenated C 12  fatty alcohol. The composition may also include a perfume, an optical brightener, sodium silicate, sodium perborate, sodium sulphate, and carboxymethyl cellulose.
Patent GB-1026231-A (GB)
Title: A mechanism for threading the trailing yarn of a bobbin through an eye of the shuttle in an automatic loom
IPC: D03D45/50
Filed: 1962-10-14
Abstract: The shuttle is threaded mechanically on the first pick after replenishment by means of a hook which enters the shuttle eye. The weft extending from an anchorage on the magazine to the pirn just inserted into the shuttle is engaged by a yarn depresser which pushes it down into the shuttle eye cavity, where it is engaged by the hook; the portion extending to the anchorage is cut as the hook draws the end leading to the pirn out through the eye. The hook moves into and out of the eye between the open jaws of a clamp, which then close on to the weft to hold it whilst the shuttle lays its first pick.
Patent GB-210895-A (GB)
Title: Improvements in or connected with compressed-air motor driven machines for mining coal and other minerals
IPC: E21C35/00
Filed: 1922-11-15
Abstract: 210,895. Mavor & Coulson, Ltd., and Mavor, S. M. Nov. 15, 1922. Compressed-air engines.-In a compressed-air driven mining machine, the air from the pipe 3 passes into a settling chamber C and thence to the engine through a strainer D arranged away from the direct course of the air. The strainer comprises a rectangular grid 8 supporting a wire gauze, mat 9. The settling chamber may be at the top of the machine.
Patent GB-1350156-A (GB)
Title: Process for the manufacture of internally plasticised epoxide  resins
Inventor: BECKER WILHELM DR
IPC: C08G59/66
Filed: 1971-06-05
Abstract: 1350156 Modified epoxy resins REICHHOLD-ALBERT-CHEMIE AG 5 July 1971 [7 July 1970] 31307/71 Heading C3B Modified epoxy resins are prepared by reacting excess amounts of polyepoxides, or mixtures thereof with monoepoxides, with compounds containing -OH or -SH groups. Reaction takes place in the presence of a complex of BF 3  with an amine having a pKb value in aqueous soln. of 15-4À5. The reactants are present so that 0À1-0À9 equivalents of -OH or -SH compounds are used per epoxide equivalent. The products are soluble in organic solvents and may be cured by conventional epoxy resin hardeners. Typical complexes used are of BF 3  with monoethylamine, propylamine, n-butylamine or benzylamine. The epoxy resin may be a polyglycidyl ether of a polyhydric phenol or of a polyhydric alcohol. The -OH or -SH containing material may be a polyhydric alcohol or a copolymer thereof with an olefin oxide, an ester of a hydroxycarboxylic acid with a polyhydric alcohol or a partial glycidyl ether of a polyhydric alcohol; a preferred material is castor oil. Uses.-Electrical insulation, adhesives, castings.
Patent GB-807465-A (GB)
Title: Improvements in or relating to wave guides
Inventor: HOLMAN LEONARD RICHARD
IPC: H01P1/02
Filed: 1955-11-03
Abstract: 807,465. Making wave-guide bends. EPSYLON RESEARCH & DEVELOPMENT CO. Ltd. Feb. 4, 1957 [Nov. 3, 1955], No. 31428/55. Class 83 (2). [Also in Group XL (b)] In making a waveguide bend, opposite walls of rectangular waveguide tubing are cut away and the remaining walls cut to length and bent to form the inner and outer curved walls of the required bend, the flat walls of the bend being formed from sheet of greater thickness, e.g. twice that of the tube-wall and having arcuate grooves of a depth and width equal to the tube thickness cut to receive the curved walls of the bend. The radial edges of the flat sides are marginally reduced in thickness to the depth of the grooves to receive the ends of the walls of the straight tubing, the whole assembly being brazed together. In modifications the curved walls may be provided one from each length of adjacent straight tubing or the two lengths of tubing may provide part of both inner, and outer curved walls. Alternatively the curved walls may be separate cuttings from waveguide tubing.
Patent GB-1073642-A (GB)
Title: A d-c operational amplifier
IPC: H03F3/387
Filed: 1964-05-25
Abstract: 1,073,642. Electric analogue calculating. FAIRBANKS MORSE Inc. May 25, 1964 [Feb. 14, 1964], No. 31560/66. Divided out of 1,073,641. Heading G4G. [Also in Division H3] An integrating amplifier for providing a D.C. voltage proportional to the average amplitude of an input pulse train comprises a long-tailed pair of transistors, the second transistor being directly coupled to the base of a third transistor and a feedback capacitor being connected between the collector of the second transistor and the base of the first transistor of the long-tailed pair. The circuit is suitable for integrating the output of a chopper type amplifier.
Patent GB-1017001-A (GB)
Title: A process for production of isocyanate polyaddition products
Inventor: MARTEN RUDOLF
IPC: C08G18/08
Filed: 1963-08-09
Abstract: Polyurethanes and polyureas are prepared from a polyester which is the addition product of a primary or secondary amine to a double bond which is in the a :b  position to an ester group of an a :b unsaturated polyester.  The polyester may be prepared by reaction of an a :b  unsaturated monocarboxylic or polycarboxylic with a polyhydric alcohol.  The amine may be a mono- or polyamine and may be aliphatic or aromatic, e.g. methylamine, ethylamine, butylamine, allylamine, octadecylamine, tallamine, isobutylamine, cyclohexylamine, ethanolamine, b -amino-propionitrile, aniline, toluidenes, aminodiphenylmethanes, furfurylamines, aminopyridines, condensation products of fatty acids and diethylene triamine or triethylenetetramine, ethylene diamine, hexamethylene diamine, p-phenylene diamine, hexahydro p-phenylene diamine, hydrogenation products of the adducts of acrylonitrile and monohydric alcohols and polyhydric alcohols, toluylene diamines, dimethylamine, dibutylamines, diethanolamine pyrrolidine, piperidine and morpholine. A secondary amine may be used which is the reaction product of a primary amine with an alkylene oxide, an a -b  unsaturated ester or a nitrile, and the modified polyester may be alkylated.  In a typical example (1) an aminoester derived from linear polypropylene glycol, maleic anhydride and cyclohexylamine is dissolved in ethyl acetate and reacted with toluylene diisocyanate and trimethylol propane. In Example (16) an aminoester prepared as above was mixed with stannous octoate, siloxane, paraffin oil and water.  Toluene diisocyanate was added and the mixture cast into a mould to form a foam.ALSO:Reaction products of a  : b -unsaturated monocarboxylic acids or their esters with polyhydric alcohols are reacted with a primary or secondary amine, wherein the amine is added to the double bond of the a  : b -unsaturated ester.  The a  : b -unsaturated monocarboxylic acid or ester may be acrylic or methacrylic acid or their esters. Many polyhydric alcohols are specified including alkylene glycols, oxyalkylene glycols, hexane triols, trimethylol propane, pentaerythritol and sugars.  The amine may be methylamine, ethylamine, butylamine, allylamine, octadecylamine, tallamine, isobutylamine, cyclohexylamine, ethanolamine, b -aminopropionitrile, aniline, toluidines, aminodiphenylmethanes, furfurylamine, aminopyridines, condensation products of fatty acids and diethylene triamine, triethylenetetramine, ethylene diamine, hexamethylene diamine, p-phenylene diamine, hexahydro p-phenylene diamine, hydrogenation products of adducts of acrylonitrile and monohydric alcohols and polyhydric alcohols, toluene diamines, dimethylamine, ethanolamine, pyrrolidine, dibutylamines, piperidine and morpholine.
Patent GB-1180105-A (GB)
Title: Improvements in and relating to Die Casting Apparatus.
Inventor: PLUME ALAN WALTER
IPC: B22D18/04
Filed: 1967-07-11
Abstract: 1,180,105. Casting-machines. HEATLOCK Ltd. 3 July, 1968 [11 July, 1967], No. 31854/67. Heading B3F. A die-casting machine comprises a two-part die 4, 5, the upper part 4 being mounted on the upper platen 2 of a press 1 and the lower part 5 on the lower platen 3. The lower platen 3, which rests on a riser cap 8, has a bore (11- shown in dashed lines) passing through it. The riser cap 8 caps the upper end of a riser tube (7), the riser tube depending into melt within a furnace 6. Melt is forced by air pressure up the riser tube (7) through the riser cap 8 and bore (11) into the mould cavity. The press 1 is mounted upon wheels 12 which run along an inclined track 13. The whole press is movable to a position 1a to free the riser cap 8 and furnace for maintenance. The lower platen has a conical cut-out (10-in dashed lines only) to allow easy clearance of the riser cap by the press during its upward movement.
Patent GB-646775-A (GB)
Title: Improvements in hammers, axes and the like
IPC: B25G3/02
Filed: 1945-11-26
Abstract: 646,775. Handle fixings. YOUNG, S. G. Nov. 26, 1945, Nos. 31886/45 and 10476/46. [Class 61(i)] A hammer &c. striking head 1 is secured in an eye or loop 2 of strip metal, the legs 3 of which form the handle and are provided with a rubber &c. covering 5 ridged at 6 to afford a grip. The legs 3 are secured together by bolts, rivets, spot-welding &c. 4 and the loop 2 may be spotwelded to the head 1. The head is recessed centrally at 8 to receive the loop and may have flats 9 against which the loop is bent. To afford resiliency or spring in the handle, the metal strip may be slotted or notched near the head. In modifications, a tubular handle is flattened at one end and formed into a loop to receive the hammer &c. head. In another modification, the legs of the strip are of arcuate cross-section and are welded together at their edges.
Patent GB-452547-A (GB)
Title: Improvements in or relating to filters for gases particularly gas mask filters
IPC: A62B23/00
Filed: 1935-11-18
Abstract: 452,547. Gas - filters. GAZ & PROTECTION, 25, Rue du Surmelin, Paris. Nov. 18, 1935, No. 31951. Convention date, Nov. 17, 1934. [Class 8 (ii)] [See also Groups VI and XVI] A filter element for gasmasks or for gas-filters in general comprises a cylinder of paper or like filter material, preferably formed by securing together the edges of a paper sheet by adhesive, having successive pairs of pleats 4, 5, mutually at right angles to one another and in planes normal to the axis of the cylinder, the pleats being of such depth as to form an octagonal bellows-like structure having when the bellows is collapsed a central rectangular hole. The bellows is secured at each end to plates one of which has a central outlet, and is enclosed in a canister attachable to an ordinary gas-mask canister. The pleating is preferably effected with the aid of a mould formed by securing, between two sheets of canvas, pieces of paste board so shaped and spaced that, on forming the canvas into a cylinder, it folds naturally into the required pleats between the paste-board pieces; the mould is then fully extended, inserted within the paper or like cylinder, and collapsed to produce appropriate folds in the cylinder which remain after removal of the mould.
Patent GB-508927-A (GB)
Title: Process of glutamic acid recovery from solutions
Filed: 1937-10-05
Abstract: 508,927. Glutamic acid. STANDARD BRANDS, Inc. Oct. 5, 1937, No. 32028/38. Convention date, Oct. 15, 1936. Divided out of 508,841. [Class 2 (iii)] Glutamic acid is recovered from mother liquor remaining after an initial recover of glutamic acid from a solution of its hydrochloride and containing a salt of an alkaline earth metal or of ammonium, by removing such salt from the mother liquor by means of an alkaline earth precipitant, e.g. sulphuric or oxalic acid, or of an agent liberating ammonia, e.g. an alkaline earth metal hydroxide, and then adding hydrochloric acid or other agent serving to precipitate glutamic acid (as such or as a compound). The initial recovery of glutamic acid may be effected by the addition of an ammonium salt of a distillable organic acid, e.g. formic or acetic acid or of calcium acetate or formate or of a nitrogen base, e.g. pyridine. The mother liquor is made alkaline with an alkaline earth metal hydroxide, e.g. barium, calcium, or strontium hydroxide, ammonia or nitrogen bases distilled off, the alkaline earth metal precipitated, filtered off and, after concentrating the solution, concentrated hydrochloric acid added to precipitate glutamic acid hydrochloride. If a salt of a distillable organic acid is used, the alkaline earth precipitant also liberates the acid which distils off when the solution is concentrated. In the example, crude glutamic acid is dissolved in water, treated with decolourizing carbon, analysed to determine the amount of hydrochloric acid to be neutralized, the calculated amount of ammonium formate or acetate or calcium formate or acetate added and the precipitated glutamic acid filtered off; calcium hydroxide is added to the mother liquor, the liberated ammonia distilled off (preferably under reduced pressure), sulphuric acid added to the remaining- solution, calcium sulphate filtered off, the filtrate concentrated. during which process formic or acetic acid is distilled, concentrated hydrochloric acid added to the solution and the precipitated glutamic acid hydrochloride filtered off. Alkali metal hydroxides may also be employed for the recovery of the main portion of glutamic acid. Specifications 508,841 and 508,842 are referred to. The Specification as open to inspection under Sect. 91 comprises also the removal of inorganic salts in general from mother liquors remaining after an initial recovery of glutamic acid. This subject-matter does not appear in the Specification as accepted.
Patent GB-766938-A (GB)
Title: Improvements in or relating to a die-cut blank for a conical filter or drinking cup
IPC: A47J31/08
Filed: 1954-11-08
Abstract: 766,938. Filters. SCHLUMBOHM, P. Nov. 8, 1954, No. 32325/54. Class 46. [Also in Groups VI and XVII] A die-cut blank for folding a conical filter cup of approximately 30 degrees comprises an integral blank of foldable sheet material with a main section 1 substantially con-gru - ent with half of a mathematical circle having a radius equal to the side length of the folded cup with a smaller section 1a which extends in the centre zone of said circle symmetrically into the other half of said circle whereby the centre line of said circle is clearly marked by the edge of the adjacent non-extended part of the main section to serve as an optical guide for folding the blank. The blank is folded in sequence as shown in Figs. 2-4 and may be placed in a container 3 having a supporting surface 2 and a lower compartment for reception of the filtered liquid 4 which is vented through a hollow handle 5 which may terminate in the upper side of the surface 2 or in an upper part 8 open to atmosphere. Reference has been directed by the Comptroller to Specification 746,805.
Patent GB-342329-A (GB)
Title: A process for the production of chlorinated hydrocarbons
IPC: C07C17/10
Filed: 1929-10-24
Abstract: Chlorine compounds; unsaturated hydrocarbons.-Chlorinated hydrocarbons are made by passing a mixture capable of producing such compounds through a reaction zone at high temperature and high space velocity.  Mixtures described are (a) chlorine and hydrocarbon, (b) highly chlorinated hydrocarbon and hydrocarbon, (c) chlorine and low-chlorinated hydrocarbon.  With mixture (a), the temperature used is at least 650 DEG  C., and with (c) at least 500 DEG  C.  In all cases the space velocity should be at least 100 reciprocal minutes. The substance to be chlorinated may be methane or other aliphatic or aromatic hydrocarbon, or mixtures such as natural gases, or partly chlorinated hydrocarbons.  Though catalysts may be used, it is preferred to avoid their use.  At temperatures above 1000 DEG  C., unsaturated hydrocarbons such as acetylene may be formed.  Usually it is advantageous to use a tube packed with a suitable substance such as porcelain or fireclay.  It is also advantageous to have the substance to be chlorinated in moderate excess, e.g. in the ratio 3 : 1 or 5 : 1. Inert diluents such as nitrogen and steam may be present. The reacting substances may be mixed before they are introduced to the reaction zone, or a mixture of the desired composition may be obtained by passing them at suitable rates into the reaction zone, with or without preheating of the constituents.  The products may be separated in various known ways.  Examples are given of the treatment of a methanechlorine mixture in packed and unpacked chambers, the resulting mixture containing methyl chloride, methylene chloride, chloroform, and carbontetrachloride.  An example of the production of methylene chloride with traces of chloroform from methyl chloride and chlorine, using a packed reaction chamber is also given. Specifications 186,270 and 245,991, [both in Class 2 (iii), Dyes &c.], are referred to.
Patent GB-634268-A (GB)
Title: Improved method of coating objects with a layer of glaze
IPC: C04B41/50
Filed: 1947-12-09
Abstract: 634,268. Glazing. PHILIPS ELECTRICAL, Ltd. Dec. 9, 1947, No. 32421. Convention date, Oct. 2, 1946. [Class 56] In a method of glazing objects in which the glaze is mixed with a binder and the paste thus formed is applied to the object and fired thereon, an oxidizing agent, e.g. KNO 3 , is included in the paste to ensure the complete removal of the binder by combustion. In an example, 8 kgs. of glaze powder, comprising 71 parts PbO, 14.8 parts B 2 O 3 , 10.2 parts SiO 2  and 4 parts ZnO, is melted and fritted and the frit is stirred up with 2 litres of aqueous solution containing 16 grms. KNO 3 . This mixture after drying is mixed with a solution of 240 gms. paraffin wax in 2 litres of toluol and again dried. The glaze bodies, to be applied to the object, are made in a press from the dried powder which includes by weight 0.2 per cent KNO 3  and 3 per cent paraffin wax. Specification 657,540 is referred to.
Patent GB-673022-A (GB)
Title: Improvements in or relating to longwall chain-cutting mining machines
IPC: E21C35/20
Filed: 1949-12-19
Abstract: 673,022. Endless-chain mining-machines. ANDERSON, A., and ANDERSON, BOYES & CO., Ltd. Dec. 19, 1950. [Dec. 19, 1949] No. 32447/49. Class 68 (i). Associated with the over-cutter jib 6 of a longwall chain cutter mining machine 7 is a cuttings discharge device which receives the cuttings from the jib by a chute 5 that discharges said cuttings through an opening 3 in a casing 1 at the rear of the machine in which a bladed rotor 4 is mounted to rotate in a horizontal plane.
Patent GB-465576-A (GB)
Title: Improvements in or relating to drawing tables
IPC: A47B27/12
Filed: 1936-11-27
Abstract: 465,576. Adjustable tables. GRAF, V. Nov. 27, 1936, No. 32464. Convention date,. Nov. 29, 1935. [Class 52 (iii)] A drawing-table adjustable both for height and inclination about a main axis is held in position by clamps operated by a nut under the control of a pedal. The table is supported by arms 4, Figs. 14 and 5, secured to a tube mounted in the main axis at the tops of the standards 9 and also by arms 5 carrying counter weights 7 and pivoted to levers 6 rotatably mounted on the tube. The arms are all clamped to the standards by a central rod 10 and nut 18 having an operating arm 19 connected, as shown in Fig. 6, by a link 22 to a lever 20 operated by a pedal 23. As the pedal and lever 20 are moved from the free position shown in dotted lines to the locking position shown in full lines, the mechanical advantage increases. When a ball bearing is interposed between the nut 18 and the adjacent standard, the stop 24 for lever 20 is so arranged that the lever and link 22 are in line thus locking the nut; but if the ball-bearing is omitted, the stop 24 can be advanced so that the parts are clamped before the lever and link are in line, the additional friction preventing slacking back. Resistance to angular movement of the board may be increased by additional friction introduced between arms 6 and the standards 9 by the means shown in Figs. 10 and 11. An extension 27 on one arm 6 carries a bolt 32 which moves through a slot in a sector on standard 9 and engage the sector with a varying force depending upon the pressure exerted by the wheel nut 33 upon spring washer 34. Additional friction for both the lifting and the tilting adjustments may be obtained by additional plates 38, Fig. 12, between arms 4, 6, held against rotation by rod 39 mounted in standards 9. These plates may be extended downwards to support a drawer 44, Fig. 14, or a writing table.
Patent GB-738024-A (GB)
Title: An improved louvrered blind having adjustable boards and utilizable as an outer protective curtain
IPC: E06B9/302
Filed: 1952-12-23
Abstract: 738,024. Venetian blinds. DELANOE, G. Dec. 21, 1953 [Dec. 23, 1952], No. 32669/52. Class 20 (3). A venetian blind comprises a frame 1, for mounting e.g. in a window opening in a building, and a series of horizontal laths 4 mounted on transverse pins 5 slidably fitted in slots 6 formed in the side walls of the base section side members 2, 3 of the frame, the raising, lowering and angular setting of the laths being effected by articulated X-shaped link members 9, 10, accommodated in the side members 2, 3. Each set of link members consists of two lazy-tong structures 9, 10 having common pivot points along their adjacent sides, and being interconnected by links 11 which are also connected to the pivot pins 5 for adjusting the inclination of the laths 4. The links 11 are rotatable, by mechanism not shown, from a horizontal position when the shorter lazy-tong structure 10 is in side-by-side relation with the longer lazytong structure, Fig. 5, and the laths are fully open, to a vertical position when the structure 9 overlies the structure 10, Fig. 7, and the laths overlap in their fully-closed position. Slideways 13, 14 having slots 15, 16 and arcuate slots 17 for pins 18, 19, 20 secured to the lazytong structures ensure uniform relative motion of the separate members in each linkage assembly, which are also interconnected by slotted bars 12. The laths 4 can be raised, by mechanism not shown, the link members folding into the upper ends of the side members 2, 3, and the laths 4 being housed, hidden from view, in the top frame member 26. The laths 4 can be locked in their fully-open position by a pair of vertical bars 21 situated adjacent each side of the blind and operable from inside the building, the bars 21 being pivoted at their ends to arms 24 which are rotatable from an inoperative position, shown in dotted lines, Fig. 8, through 180 degrees to an operative position, shown in full lines, when slots in the bars 21 engage the pivot pins 5 and the laths cannot be rotated.