baber/WOPTO huggingface dataset:
Patent GB-893130-A (GB)
Title: Method of improving the mechanical characteristics of sheets, films and tapes formed from linear, crystallisable high molecular weight alpha-olefin polymers
IPC: B29C55/04
Filed: 1958-10-06
Abstract: Films, tapes and sheets made from linear, crystallisable, high molecular weight polymers of a -olefins of the formula R-CH=CH2, where R is an alkyl, cycloalkyl, cycloalkenyl or aryl group, especially from polypropylene, are subjected to compression by passage between compression rollers which cause the polymer to flow in definite directions.  Compression may be effected in the longitudinal or transverse direction, and in more than one stage if desired.  Temperatures between room temperature and the melting point of the polymer may be used, especially temperatures between 80 DEG and 130 DEG C.  The film, tape or sheet may also be subjected to stretching, preferably in a direction transverse to that of the compression step.  After compression the film, tape or sheet may be subjected to a thermal stabilization treatment.  In Examples (1) a polypropylene film of thickness 250m  is rolled longitudinally at 100 DEG C. to a thickness of 100m  and may then be either rolled longitudinally a second time at 130 DEG C. or stretched longitudinally by collection on rollers rotating at a peripheral speed 3 3/4 times that of the first rollers; (2) a polypropylene film of thickness 150m  is cut into squares which are rolled first longitudinally and then transversely at 110 DEG C. to a thickness of 70m ; (3) a polypropylene film of thickness 300m  is stretched transversely in water at 90 DEG C. to a ratio of 1:5, and then rolled longitudinally at 125 DEG C. and collected on rollers rotating at a peripheral speed 2 1/2 times that of the first rollers, the product having a thickness of 40m .  The process enhances the mechanical properties of the film without the disadvantages of conventional stretching processes.
Patent GB-1397523-A (GB)
Title: Composite propellants
IPC: C06D5/00
Filed: 1973-07-04
Abstract: 1397523 Propellants SOC NATIONALE DES POUDRES ET EXPLOSIFS 4 July 1973 [5 July 1972] 31920/73 Heading C1D A propellent composition comprises by weight 78-92% of a chlorate or perchlorate of an alkali metal or alkaline earth metal, a binder which is a silicone rubber in an amount of 8- 14À6% or a cellulose acetate in an amount of 8-17À2%, and 0À1-0À8% of elemental carbon as a combustion regulator. The combustion regulator may be acetylene black or graphite. As an additional combustion regulator, copper dichromite may be added. Aluminium powder may be present as a combustion accelerator, and tricresyl phosphate, diethyl phthalate, or triacetin as a plasticizer. The composition produces non-toxic combustion gases and may be used in a gas generator of an inflatable cushion safety device in an automobile.
Patent GB-175076-A (GB)
Title: Improvements in apparatus for expanding tubes and for like purposes
IPC: B21D39/10
Filed: 1920-11-12
Abstract: 175,076. Gallon, H. E. A. Nov. 12,1920. Tube expanders.-In an apparatus of the roller head type for expanding tubes or ferrules into tube plates, the mandrel is automatically withdrawn without disengaging the drive when the pressure reaches a certain predetermined value by a device which normally actuates the mandrel. A roller head i, Fig. 2, which is provided with skewed rolls for feeding forward the mandrel a is rotated by the mandrel, which is driven at a higher speed by a sleeve f through a coiled spring d connected at one end to a notch in a shoulder e on the sleeve, and at the other end to a notched shoulder c on the mandrel. The drive is communicated to a squared part g of the sleeve by a crank or driving-shaft. The head is provided with a casing i' which has slots k to receive blades on a ring m having a left-handed thread screwed into a socket n in which the sleeve and mandrel move. The ring is held in the casing by a screwed ring o, and is in engagement with a spring j. The tool is placed in the tube with the edge of the casing against the tube plate and expanding is effected by rotation of the sleeve f. When expanding is completed the pressure required to drive the mandrel increases and causes the spring d to open and thus clamp the socket 11 to the mandrel. In consequence of the difference of speed of rotation between the mandrel and head, the ring m is screwed out of the socket n and compresses the spring j. Subsequently the socket screws back on the ring and withdraws the mandrel from the tube. The tool is then removed and placed in another tube, the socket n being 0 held stationary until the ring m is screwed therein. The compression of the spring d is adjusted by nuts h, h'. In a modification, the spring d, is replaced by a pair of slotted segments p, q, Fig. 8. The gap in the segment p is engaged by studs e<l>, c<l> on the sleeve and mandrel respectively to communicate the drive from the sleeve to the mandrel. The segment q is provided with teeth engaging teeth in the socket K. When the pressure increases, the segments open and through the segment q clamp the socket to the mandrel. In this case, due to the spring and teeth, the segment q remains open when the segment p closes on withdrawal of the mandrel and so maintains the socket locked thereto until it is entirely withdrawn. The gap in the segment p may overlap the studs e', c'. or may be wide enough to receive the studs. The segment p may be of various sizes according to the degree of pressure required to open it. and the space be-- tween the segment and the mandrel is occupied by a ring r. The front of the casing has a ring i<2> mounted on ball bearings. The unscrewing of the parts m, n in this form of apparatus is not indispensable for producing the withdrawal of the mandrel, but accelerates the same.
Patent GB-287611-A (GB)
Title: Improvements in or in connection with settling tanks
Filed: 1926-12-17
Abstract: 287,611. Binckley, G. S., Binckley, S. W., and Binckley, M. J. Dec. 17, 1926. Gravity - separation apparatus.- A settling-tank 40, specially applicable for the separation of sludge from sewage, which has been treated according to the activated-sludge process, is surrounded at the top by an inlet trough 43, the outer edge of which extends outward so that the liquid supplied flows into the tank over the upper edge of the tank. The mixture is directed downward by a baffle ring 56, and clear liquid rising within the ring overflows into radial troughs 53 supported by a spider which rests on the outer edge of the trough 43. The troughs 53 deliver at the centre into a pipe 6 which passes downward through the bottom of the tank and is connected to a discharge trough 59. A cover 61 for the tank is also supported from the spider. The separated sludge is discharged at the bottom through an elbow 55 and a pipe 7. Vanes 58 are provided near the bottom to prevent disturbance of the sludge. The trough 43 is fitted with a vertical baffle ring 44 and a circular perforated pipe 49 through which air is introduced to agitate the liquid. In the apparatus shown in Fig. 6, the inclined ring 56 is replaced by a stepped arrangement of vertical rings 65.
Patent GB-808594-A (GB)
Title: Improvements in or relating to machines for folding paper sheets
IPC: B65H45/16
Filed: 1956-10-22
Abstract: 808,594. Folding paper. SUN PRINTERS Ltd., and BERRY, D. S. Oct. 7, 1957 [Oct. 22, 1956], No. 32151/56. Class 100(1) A rotary sheet folding machine includes a rotary cylinder embodying a gripper blade for effecting the fold and additional means for engaging and exerting pressure upon the back of the fold whilst it is held by the gripper blade to ensure that the sheets permanently retain their folded condition. The cylinder 1 is provided with recesses 2 into which the mid-portion of an assembly of sheets is forced and engaged by a gripper blade 3, which is mounted on a cam operated shaft 5 to press it against an anvil 4 for folding. Adjacent the blade 3 a series of discs or rollers 11 is disposed, freely rotatable and mounted on bar 13. Bar 13 is supported by a member 15 secured to a block 17 slidable axially of the cylinder in a guide 18. The member 15 is also secured to a member 16 fastened at one end to the end of a sleeve 14 slidable on a rod 20 in turn secured to the cylinder 1. The other end of the member 16 is secured by a link 22 to a plunger 23 carrying a cam follower 25 which is acted upon by a fixed annular cam 26 against the action of a spring 21. Rotation of the cylinder thus effects axial reciprocation of the discs 11. The mechanism may be disabled by passing a pin 28 through correspending apertures 29, 30 in a sleeve 24 and plunger 23 respectively. Radial movement of discs 11 is effected by a fixed cam adapted to rotate a shaft 36 carrying a pinion which co-operates with a rack on the guide 18. Radial guides 31 are carried by a member 32 secured to the shaft 33 of the cylinder 1. The cams controlling the movement of the discs 11 are such that after an assembly of sheet has been gripped by the grippers 3 the discs are first moved outwardly so that their peripheries engage the fold and are then moved along the fold until the whole length of the assembly has been pressed.
Patent GB-393486-A (GB)
Title: Improvements in and relating to band sorting systems
IPC: B07C7/00
Filed: 1932-11-14
Abstract: 393,486. Sorting letters. POLLAK, J. E., 20, Holborn, London.-(Telephon-Apparat- Fabrik E. Zwietusch & Co., Ges. ; 6, Salzufer, Charlottenburg, Berlin.) Nov. 14, 1932, No. 32205. [Class 116.] In a system for sorting letters by means of moving bands, the collecting bands, carrying the primary distribution, are arranged to discharge the letters into containers positioned above the cabinets at which the primary sorting is effected. The letters conveyed by bands 38 to sorting positions C .., are sorted into groups 1 .. 30 and are transferred by feed bands (not shown) to collecting bands B which co-operate with bands D directed and guided in vertical channels 32. The bands D are individually associated with shoots 36 leading to containers 34' located above the sorting positions C .. When any container 34 is depressed to a predetermined level dependent upon the weight of its charge of letters an audible or visible signal is given, and an operator moving on an elevated platform 33 places the filled container on a further conveyer band 35 transporting the letters to a secondary sorting position in accordance with destination setting member 40 on the container.
Patent GB-1145980-A (GB)
Title: Improvements relating to cables having a metal sheath and a superimposed plastics sheath
IPC: H01B7/28
Filed: 1967-07-13
Abstract: 1,145,980. Anti-corrosive compositions. KABEL-UND METALLWERKE GUTEHOFFNUNGSHUTTE A.G. 13 July, 1967 [13 July, 1966; 24 May, 1967], No. 32223/67. Heading C3P. [Also in Division H1] Anti-corrosive compositions comprise 40 to 90 weight per cent of polybutene and/or an alkyl methacrylate having at least 8 carbon atoms in the alkyl group, 0À5 to 7 weight per cent of an additive reducing cold flow and 10 to 60 weight per cent of fillers. The methacrylic ester may be octyl, nonyl or decyl methacrylate. Specified cold flow reducing additives are polyolefins. and paraffins. Specified fillers are chalk, kaolin, silica and fibrous fillers. The compositions may be applied to cables between corrugated metal sheaths and superimposed plastics sheaths.
Patent GB-344375-A (GB)
Title: Improvements in or relating to "grips" or coverings for handles
IPC: A63B49/08
Filed: 1929-10-24
Abstract: 344,375. Striking appliances for games. MACPHERSON, D., 1, Groby Road, Chorlton-cum-Hardy, Manchester. Oct. 24, 1929, No. 32272. [Class 132 (ii).] A handle grip for a golf or like club comprises strips of leather b and rubberized fabric c secured together at their edges which may be square or bevelled, Figs. 2 and 3, and to a fabric backing strip d, preferably rubberized, by rubber solution or any suitable adhesive. The top end of the wrapping, Fig. 1, is shaped to give an all-leather finish, and the materials forming the composite strip may be differently coloured. The backing strip is preferably of bias cut material allowing it to stretch so that the strips may be applied under tension, and it may be dispensed with. The. finished wrapping is tapered.
Patent GB-773229-A (GB)
Title: Improvements in the formation of road surfaces
Inventor: RICKABY FRED
IPC: E01C7/35
Filed: 1954-11-08
Abstract: The surface voids of an open textured road carpet are closed by filling with a composition comprising bituminous or pitchy material capable of freely absorbing the volatile oil in the carpet.  Pelleted pitch or bitumen is preferably used, and sand or other mineral material, e.g. powdered granite, and a binding liquid (e.g. fluxing oil) may also be present.  A specific composition is:-  Finely divided pitchy or bituminous material 20-40 per cent. Fluxing oil 1-4 per cent.  Sand balance; all per cent by weight.
Patent GB-267250-A (GB)
Title: Improved means for adjusting brake gear on railway and like vehicles
IPC: B60T13/36
Filed: 1925-12-23
Abstract: 267,250. Metropolitan Carriage, Wagon, &. Finance Co., Ltd., and Horton, H. Dec. 23, 1925. Compensating for wear.-The adjustment of brake gear, particularly for railway vehicles. is effected by a pivotal adjustment block, mounted between an operating lever and a pivoted actuating-arm and having two or more abutment faces at unequal heights to compensate for wear of the brake blocks. The adjustment block may be mounted in the lug which underlies the hand lever and extends from an arm keyed to the brake shaft. This shaft may also be operated by a fluid-pressure cylinder, the piston and rod of which carries a pin lying below a forked end of another arm fixed to the brake shaft. The adjustment block comprises a head o fixed to a stem p passing through the lug f. A cotter pin w prevents complete withdrawal of the stem p. The hand-lever e is adapted to rest on one of three lugs q, r, s or unequal height according to the adjusted position of the block. The lug q is arranged above the axis of the stem p and the other lugs are arranged around it. The head o is provided with a depending lug t to co-operate with faces on the lug, f to prevent rotation of the adjustment block, or faces may be provided on the head of the block to bear against the side of the arm carrying the lug f for this purpose.
Patent GB-908525-A (GB)
Title: Apparatus for sucking away broken threads or dust or free fibrous material in spinning machines
IPC: D01H5/68
Filed: 1959-09-24
Abstract: 908,525. End catcher and roller clearer apparatus. SULZER FRERES S.A. Sept. 24, 1959 [Jan. 13, 1959], No. 32569/59. Class 120 (2). In end catcher and roller clearer apparatus for a spinning machine, a suction tube, terminating at a suction aperture, is connected to a common collecting duct or to another section of suction tube connected to the duct, so as to be rotatable about an axis of rotation transverse of the drafting head rollers, the suction tube being so shaped that the suction aperture is moved away from its normal operating position during such rotation. In Fig. 1 the suction tube 4 is curved and is rotatably mounted in a flange 12 fixed to a further section 5 of suction tube connected to a common duct 8. In other such forms the suction tube may be cranked or bent through two right angles or the suction tube may be straight and mounted on a flange inclined to its axis (see Fig. 3, not shown). In Fig. 4 the suction tube 25 is cranked and is connected directly to the collecting duct. Stops may be arranged to locate the rotatable suction tube in either of its two positions and a spring may be provided urging the tube towards its operative position.
Patent GB-521836-A (GB)
Title: Production of coloured pictures
IPC: G03C7/28
Filed: 1938-10-22
Abstract: 521,836. Colour photography. SCHINZEL, K., and SCHINZEL, L. Oct. 22, 1938, No. 32575/39. Convention date, Oct. 22, 1937, Divided out of 521,746. [Class 98 (ii)] A three-colour photograph is produced in an exposed material having on a single support three differentially colour sensitized silver halide emulsions at least one of which contains initially an organic compound from which can be obtained by oxidation, reduction or hydrolysis, a dye which can be reduced to an alkali soluble form by a process which includes the diffuse regeneration of the reducible dye and the local reduction thereof in the silver areas produced by normal or reversal development by means of an alkaline solution. The reduction products are washed out. The alkaline reducing agent may be potassium cyanide, which may contain caustic alkali, lithium hydroxide, ammonia, guanidine, quaternary organic ammonium bases, or other organic bases. Acetone or alcohol may be added. Other reducing agents referred to are cyanamide, its polymerization products, alkali sulphides, hydrosulphides, and polysulphides, and organic compounds containing an easily split off sulphur atom. Heat may be applied to facilitate the reaction, and the emulsions may be tanned or the gelatine partially replaced by colloids such as collodion or cellulose acetate. The photographic materials and dyes are identical with or similar to those described in Specification 521,888. Specifications 397,159, 416,566, 500,826, 503,752, 512,559, 520,173 and 523,296 also are referred to.
Patent GB-521040-A (GB)
Title: Device for attachment to or incorporation in a road vehicle for cooperating with means for operating doors or gates and for other analogous purposes
IPC: E05F13/02
Filed: 1939-05-31
Abstract: 521,040. Operating signals. AUSTIN, W. May 31, 1939, No. 32693. Divided out of 521,038. Drawings to Specification. [Class 105] [Also in Group XXV] Signals &c. are operated by an approaching vehicle by means of a transverse bar carried by two arms pivoted on brackets fixed to the axle &c. of the vehicle. The bar engages the top of a slidable rigid upright in the carriage way connected by cable &c. to the signal, and carrying a pivoted rocker which, at the end of the uprights travel, strikes a fixed stop and is tilted to lift the bar clear of the upright. The bar may be kept in the raised position by a cable under the driver's control. Specifications 465,477, 470,742, 476,099, and 505,286, [all in Group XXV], are referred to and the invention is illustrated by the drawings of Specification 521,038.
Patent GB-660550-A (GB)
Title: Process for the manufacture of acid dyestuffs of the anthraquinone series
IPC: C09B3/10
Filed: 1949-12-21
Abstract: Dyes are made from 1-aminoanthraquinones having a free 2-position and containing an aryloxy residue in the 3,4,5,6,7, or 8-position by condensing with a Bz. 1-halogenbenzanthrone, followed by treatment with sulphonating agents.  The products dye wool, silk, tussore, and superpolyamides orange to brown shades. In examples, Bz. 1-brombenzanthrone is condensed with the following in one of the usual solvents in presence of sodium carbonate or potassium acetate and cuprous chloride, followed by treatment with oleum and sulphuric acid monohydrate: (1) 1-amino- or 8-phenoxyanthraquinone; (2) 1-amino-3-(41-methyl)-phenoxyanthraquinone; (3) 1-amino-3 or 8-p-tert.-butyl or 3-p-sec.-amyl phenoxyanthraquinone; (4) 1-amino-3, 5, 6, 7, or 8-p-tert.-amylphenoxyanthraquinone; (5) 1-amino-3 or 5 - p - isooctylphenoxyanthraquinone; (6) 1-amino - 4 - p - tert. - amylphenoxyanthraquinone; (7) 1-amino-5-(21-, 31-, or 41-methyl)-phenoxyanthraquinone or the corresponding 21,41-, 21,51-, 21,61- or 31,51-dimethyl bodies; (8) 1 - amino - 5 - (21,41,61 - trimethyl) - phenoxy - anthraquinone; (9) 1 - amino - 5 - (21)-naphthoxy - anthraquinone; (10) 1 - amino - 5-(p - phenyl) - phenoxyanthraquinone; (11) 1-amino - 8 - (31 or 41 - methyl) - phenoxyanthraquinone; (12) 1 - amino - 6 - chlor - 7 - phenoxyanthraquinone or its derivatives substituted in p-position of the phenoxy group by methyl, ethyl, isopropyl, tert.-butyl, or tert-amyl.  The 1-amino-3, 4, 5, 6, 7 or 8-aryloxyanthraquinones employed above are obtained by heating halogenated or nitrated aminoanthraquinones with phenols in presence of acid binding agents.
Patent GB-511246-A (GB)
Title: Improvements in or relating to absorption refrigerating systems and apparatus
IPC: F25B17/00
Filed: 1938-08-19
Abstract: 511,246. Refrigerating. PRESSED STEEL CO., Ltd., NOLCKEN, W. G., and BRANDON, A. O. Aug. 19, 1938, No. 32812. Divided out of 511,230. [Class 29] Absorption systents.-A combined solution storage vessel and heat exchanger for the intermittent system described in Specification 511,230 comprises a casing 101 fitted with superposed discs N having apertures angularly off set from one disc to the next to provide helical passages for the solution from an inlet 7 to an outlet 8. The discs are assembled on a central rod 106 and positioned by a pin 108 and holes 109. The bottom disc has plain circular apertures S, T and a sump P for liquid is provided below it. Specification 219,278, [Class 29], and U.S.A. Specification 2,027,057 also are referred to.
Patent GB-1497986-A (GB)
Title: Production of n,n-diethyl 2(alpha-naphthoxy)propionamide
IPC: A01N37/18
Filed: 1976-08-06
Abstract: 1497986 Preparation of N,N-diethyl 2-(α- naphthoxy)propionamide STAUFFER CHEMICAL CO 6 Aug 1976 [15 Aug 1975] 32813/76 Heading C2C The invention comprises a process for the preparation of N,N-diethyl 2-(α-naphthoxy)- propionamide by reacting α-naphthal with an excess of N,N-diethyl α-chloro (or α-bromo)- propionamide in the presence of an excess of aqueous alkali metal hydroxide solution based on the α-naphthol and removing unreacted amide from the product.