baber/WOPTO huggingface dataset:
Patent GB-878189-A (GB)
Title: Waste-heat water-tube boiler
IPC: F22B21/02
Filed: 1958-12-16
Abstract: 878,189. Water-tube steam boilers; tubular heat exchangers. SVENSKA MASKINVERKEN A.B. Dec. 16, 1958 [Dec. 20, 1957], No. 40555/58. Classes 64(3) and 123(2) A waste-heat boiler comprises a cylindrical casing 1 which has gas intake and outlet openings 2, 4 respectively and houses a steam and water drum 14 with a downcomer extension 16 and steam generating tube-sections 17. The tubesections 17 are arranged in a ring in an annular space 26 between a cylindrical shield 13, coaxial with the downcomer 16, and the two shells 8, 9 of a split cylindrical member, the shells 8, 9 having ends 11, 12 which are joined to the casing 1 to form a distribution chamber 6. Each tube section comprises five radially-spaced, partcircular, rows of tubes 17 each row extending between sector-shaped distributing and collecting sub-headers 18, 21. A common radially-disposed main distributing header 19 connects the distributing sub-header 18 of each section to the lower end of the downcomer 16, the corresponding collecting sub-headers 21 being connected to a main collecting header 22 which leads through a pipe 23, to the drum 15. Heating gases entering the opening 2 pass over a superheater bank 28 located in the distributing chamber 6 and through the space between the shells 8; 9 to divide into streams passing upwardly and downwardly. The gas passing downwardly through the shell 9 returns upwardly through the space 27 within the shield 13 and is ejected, with the other upwardly directed stream, through the outlet 4 leading to a chimney 3. The drum 15, having a water inlet 20 and a steam outlet 25, has a manhole 10. The pipes 23 may be omitted in which case the collecting main headers 22 are connected directly to the drum 15. Surface extending elements 24, which preferably consist of copper or steel sheathed copper, are connected to those parts of the tubes 17 within the area of the shells 8, 9. In a modification the shells 8, 9 and the shield 13 are omitted and the heating gases entering and leaving respectively through an open lower face and an opening in the upper side portion of the casing. Superheater sections are arranged in the casing below the tube sections. The unit may be designed as a hot-water boiler by the inclusion of a separating plate 32 above the main distributing headers 19 in the downcomer 16.
Patent GB-1027422-A (GB)
Title: Improvements in or relating to binding strips, for example for holding strips of carpet together
IPC: A47G27/04
Filed: 1963-10-15
Abstract: 1,027,422. Seaming non-metallic sheet material; laminates. JIFFYTEX PRODUCTS Ltd., and D. C. LONCRAINE. Oct. 13, 1964 [Oct. 15, 1963], No. 40706/63. Headings B5K and B5N. A binding strip comprises a plurality of layers of material superimposed upon and secured to one another, the assembled strip being capable of elastic extension lengthwise of the strip, and at least one of the layers being inextensible in a direction transversely to the length of the strip. The strip comprises two layers 10, 11, the layer 10 being loosely woven cotton webbing and the layer 11 being strong creped paper which is extensible lengthwise but not laterally. The weave of the webbing 10 is shown in Fig. 3. To make the strip, the paper 11 is stretched slightly and the webbing 10 positioned thereover. The two layers are sewn together by one, two or more rows of stitching 12 and the slight tension is then removed from the paper 11. In use, to secure two pieces of carpet together the strip is placed webbing side uppermost on a flat surface and adhesive is applied to the webbing and/or to the marginal portions of the carpet. The edges of carpet are then placed abutting each other centrally along the strip.
Patent GB-849965-A (GB)
Title: Preparation of bisphenols
Filed: 1958-12-18
Abstract: Bisphenols are produced by reacting a ketone having at least one methyl group in the alphaposition to the carbonyl group, or an alicyclic ketone, with a molar excess of a phenol which has a reactive hydrogen atom in the paraposition to the phenolic hydroxyl group, the reaction being carried out, at a temperature between 40 DEG  and 150 DEG  C., in the presence of a substantially insoluble and water-free cationexchange resin having strong acid groups, such as a styrene-divinyl benzene sulphonated resin, a sulphonated cross-linked styrene polymer, a phenol-formaldehyde sulphonated resin, or a benzene-formaldehyde sulphonated resin. The resin structure is preferably in the form of microspheres or beads, or it can be made porous.  If the resin is initially in the salt-form, it is treated with sulphuric acid, and then washed with water.  The water-wet resin is then dried, e.g., by azeotropic distillation of the water with phenol; and it is then ready for use in the phenol-ketone condensation.  The following phenols may be used in the reaction:-phenol, 0- and mcresol, 2, 6-dimethylphenol, 1, 3, 5-xylenol, tetramethylphenol, 2-methyl-6-tert-butyl phenol, 0- and mchlorophenol, and 2, 6-dichlorophenol.  The following ketones may be used in the reaction:-acetone, methyl ethyl ketone, methyl propyl ketone, acetophenone, methyl vinyl ketone, and cyclohexanone.  In Example 1, a sulphonated styrene-divinylbenzene polymer is treated with sulphuric acid, washed with water, and then heated with phenol under a pressure of 20 mm. Hg. whereby the water distils off with some of the phenol.  The phenol-wet catalyst is packed into a glass-column 100 inches long, and a mixture of phenol and acetone, in the molar ratio of 10:1, is pumped through the column while it is maintained at a temperature of 75 DEG  C.  The contacttime between the resin and the phenol/acetone mixture is about 1 hour. The effluent is cooled to 27 DEG  C. to precipitate some of the phenol-2, 2-bis (4-hydroxyphenyl) propane complex along with the phenol.  The precipitate is filtered off, and washed with successive portions of water to remove phenol.  The dried filter-cake is finally distilled under 0,2 mm. Hg. pressure, yielding high-purity 2, 2-bis (4-hydroxyphenyl) propane. Additional quantities of this product are obtained by working-up the filtrate from the precipitated complex and also the phenolic wash water.  In Example 7, phenol is reacted with acetophenone. In Example 8, o-cresol is reacted with acetone.  In Example 9, phenol is reacted with acetone in the presence of sulphonated poly-p-xylylene.  In Example 10, cyclohexanone is reacted with o-chlorophenol to obtain 1, 1-bis (4-hydroxy-3-chlorophenyl)-cyclohexane.
Patent GB-1348723-A (GB)
Title: Method of smoothing
IPC: G11B5/74
Filed: 1971-09-02
Abstract: 1348723 Smoothing magnetic layers EASTMAN KODAK CO 2 Sept 1971 [3 Sept 1970] 41059/71 Heading D1L A layer comprising magnetisable particles in a binder on a carrier is smoothed by effecting relative movement between the carrier and a vibrating ultrasonic horn and causing the horn to contact the surface of the layer under pressure. The method is described with particular reference to tapes and films having one or more magnetic stripes containing for example iron oxide, chromium oxide or Fe, Co, Ni or an alloy thereof. The ultrasonic horn may be used in a stationary or mobile manner on the film which may be treated in the atmosphere or submerged in a cleansing liquid. As shown in Fig. 10 dope from hopper 49 is cast on film 11, dried in zone 51 and thereafter subjected to vibrations from ultrasonic horn 21.
Patent GB-911614-A (GB)
Title: Improved process for salt purification
Inventor: CHUFFART ROBERT CHARLES
IPC: C01D3/16
Filed: 1959-12-07
Abstract: Sodium chloride prepared by evaporation of raw brine is freed from calcium sulphate impurity by maintaining in the evaporator a concentration of sodium sulphate equal to at least 3% by weight of the mother liquor, thereby precipitating a complex calcium/sodium sulphate which, being finely divided, is separable from the sodium chloride crystals.  The precipitated sodium chloride and complex salt removed separately or together from the mother liquor, may be washed separately or together with raw brine or water <PICT:0911614/III/1> whereby the complex salt is decomposed and the resulting solution of sodium sulphate, after being freed from calcium sulphate, is recycled to the evaporator.  As shown in the drawing, brine containing 5% sodium sulphate and 5% by weight of sodium chloride seed is evaporated at 45 DEG -50 DEG C. in an evaporator 1 which communicates by a dip leg to a settler 4.  Circulation is maintained by pump 5 through a settler 4 and evaporator 1, heat being applied at 6.  The mixture of sodium chloride crystals and calcium sulphate/sodium sulphate complex salt is passed through line 7 to a cyclone 8 where the mother liquor carrying the complex salt particles is removed at 9 whilst the sodium chloride crystals pass to a distributer 12 surmounting a corrugated hindered settling column 13 where they descend counter-current to an upflow of raw brine fed in at 14. Product sodium chloride is removed from a centrifuge 19 whilst brine leaving through line 15 containing calcium sulphate and sodium sulphate resutling from the residual complex salt on the sodium chloride, is passed as a brine feed to the evaporator 1 through lines 16 and 17.  The mother liquor containing the complex salt withdrawn from the cyclone 8 through line 9 is fed to a centrifuge 21 and the resulting liquor p  is returned to the evaporator through line 22, whilst the separated solid complex salt containing a minor amount of sodium chloride is transferred to a digestor 23 where it is treated with water at 20 DEG C. to decompose the complex salt.  Calcium sulphate is removed through line 26 and the sodium sulphate solution formed is fed through line 27 to join the main brine feed passing to the evaporator 1.
Patent GB-1062594-A (GB)
Title: Improvements relating to the production of an internally mechanically re-inforced yarn
IPC: D01H1/00
Filed: 1963-10-21
Abstract: A method of producing an internally mechanically reinforced yarn which comprises passing separately at least two twistless or substantially twistless fibre slivers from a drafting mechanism and then twisting them together to form a single yarn, is characterised by the twisting point being allowed freely to occupy the position at which the forces and moments caused in the yarn and in the slivers by the twisting are evenly balanced, and by the distance between the last pressing line in the drafting mechanism and the twisting point being shorter than the largest fibre length.  Preferably this distance is not smaller than the average fibre length.  The slivers are spaced apart downstream of the drafting mechanism by a prismatic guiding element with smooth edges, and preferably of a triangular cross-section.
Patent GB-894129-A (GB)
Title: A method for setting creases and seams in aminoplast resin-treated fabrics
IPC: D06M15/423
Filed: 1958-12-23
Abstract: Creases or seams are set in fabrics, e.g. cotton fabrics, treated with aminoplast resins, e.g. melamine-formaldehyde and dimethylol-cyclic ethylene urea resins, by impregnating the fabric in the areas of the creases or seams with an aqueous solution of formic, acetic or propionic acid and then subjecting the fabric to heat, pressing, e.g. at 160 DEG -220 DEG C, to set the creases or seams. Formic acid may be used in a concentration of 1%-10% by weight, acetic acid in a concentration of 3%-10% by weight and propionic acid in a concentration of 4%-10% by weight.  The treating solution may also contain penetrating agents, e.g. anion active agents, such as sodium ethylhexyl sulphosuccinate, and non-ionic active agents, such as polyoxyethylated lauryl alcohol and polyoxyethylated isooctyl phenol, fixatives, e.g. glycerol, methyl cellulose, polyvinyl alcohol and octadecylamine, monohydric alcohols, softening agents, binding agents, stabilizers and resin components suitable for the resin treatment of the fabric, e.g. methylolurea, methylol-ethylene urea, methylol melamine, urea, thiourea and melamine.
Patent GB-980655-A (GB)
Title: Well tool assembly
Inventor: RAULINS GEORGE MAX
IPC: E21B33/035
Filed: 1962-11-03
Abstract: 980,655. Wells &c. OTIS ENGINEERING CORPORATION. Nov. 3, 1962, No. 41657/62. Heading E1F. A well assembly comprises a tubular member 20 having spaced sets of selector and locking recesses 26, 27, and 28 and a member 53 slidable within the member 20 and having selector and lock means 54, 55 projecting outwardly therefrom and having a configuration corresponding to that of one of the sets to lock the members together at a chosen position. The hanger 53 supporting casing 50 is lowered into the well head 20 with the means 54, 55 retracted. When the set of recesses corresponding to the selector and lock means of the hanger is reached the keys 54 are projected into the recesses 26, 27 and further downward movement of the hanger shears pin 71, locks the keys and moves the locking dogs 55 into alignment with the corresponding recess 28. Downward jars imparted to a locking sleeve 120, slidable on the hanger, move the dogs 55 into the recess 28. Packing 103 seals the annulus 135 outside the casing 50, fluid being supplied to or removed from the annulus by a pipe 47. A plug 200 may be locked to the set of recesses above that to which the hanger is locked. The plug carries a spring urged plug 270 which permits downward flow of fluid to the casting and has a ball valve 293 which permits equalization of the pressures on either side of the plug 270 prior to its opening. Fluid may be removed from or supplied to the space below the plug 200 by a pipe 45. The plug 200 and hanger may be removed by tension applied to the locking sleeves 235, 120. The plug 200 may be replaced by a hanger or other well tool.
Patent GB-1412145-A (GB)
Title: Flowing mercury cathode electrolytic cells
IPC: C25B15/06
Filed: 1972-09-08
Abstract: 1412145 Mercury cathode electrolytic cells G P SPRUCE 8 Sept 1972 41686/72 Heading C7B In an electrolytic cell having a flowing mercury cathode and a plurality of adjustably suspended anodes, each anode has a system for detecting short circuits between that anode and the cathode, which system comprises a current input winding to which the current fed to the anode is applied in a first direction, a parallel voltage input winding to which the voltage existing between the anode and the cathode is applied to cause a current to flow in the opposite direction, the effect of said currents being summed by induction between said windings and a third parallel winding to produce a resultant current in the third winding, means for generating an output signal when the resultant current exceeds a predetermined level and an automatic anode elevator operated by said signal. The anodes may be of graphite or Ti.
Patent GB-1246798-A (GB)
Title: A method of setting-up a machine tool
Inventor: HARKNESS LESLIE
IPC: B23Q17/22
Filed: 1967-09-15
Abstract: 1,246,798. Setting-up machine tools. WARNER SWASEY ASQUITH Ltd. 3 Sept., 1968 [15 Sept., 1967], No. 41810/68. Divided out of 1,246,796. Headings B3B and B3T. A method of setting-up a machine tool having a tool carrying turret comprising the steps of establishing a datum plane on the turret or part mounted on the turret, the plane being located at a predetermined distance from a surface on a work-holder 340 and against which the workpiece abuts when located in the machine, presetting tools on a jig separate from the machine tool with respect to a reference surface simulating the datum plane and positioning the preset tools on the turret at a location corresponding to the datum plane relating to the preset location thereof. The setting of the datum plane is effected by an adjustable gauge member 344 which is located against a face of a workholder 340 and against which a face of a turret tool carrier is brought into abutment and subsequently clamped to establish the datum plane. The jig is described and claimed in Specification 1.246,796.
Patent GB-1204731-A (GB)
Title: Improvements in or relating to apparatus and methods for transmitting electrobiological data
Inventor: TONNIES JAN FRIEDRICH
IPC: A61B5/336
Filed: 1967-09-14
Abstract: 1,204,731. Inductive signalling. J. F. TONNIES. 14 Sept., 1967 [16 Sept., 1966], No. 41995/67. Heading H4U. [Also in Division G1] A method of transferring electrobiological data from a patient to a fixed recording apparatus uses inductive transmission of a carrier frequency which is frequency-modulated by said data. A primary coil is fixed relatively to the patient and a secondary coil is disposed so as to be inductively coupled thereto. The amplified output signal from the secondary coil is recorded on magnetic tape without demodulation, a suitable carrier frequency being selected (e.g. between 1000 and 20,000 Hz.). A single primary coil may be fixed to the head of a patient, with its axis directed along his length. Another primary coil coupled to a separate secondary coil may be fixed at the patient's feet, with its axis at right-angles to that of the other primary coil. Data relating to heart beats may be transmitted in short bursts on a distinctive carrier frequency.
Patent GB-1153933-A (GB)
Title: Dispersion Strengthened Aluminum Oxide
Inventor: HUMENIK MICHAEL
IPC: C04B35/10
Filed: 1967-09-15
Abstract: 1,153,933. Cermets. FORD MOTOR CO. 15 Sept., 1967, No. 42082/67. Heading C1J. A sintered compact consists of Al 2 O 3  containing up to 16% by volume of finely divided metallic Mo and/or W uniformly dispersed and of an average grain size not exceeding 5 m. The compacts are sintered in a vacuum of 0À3 microns (Hg) at 2800-3200‹ F.
Patent GB-913410-A (GB)
Title: Decorative overlay sheet for use in decorative moulding
IPC: C08L61/26
Filed: 1959-12-11
Abstract: A resinous composition suitable for impregnating decorative overlays comprises a soluble, thermosetting condensate of from 1 to 3 mols. of an aldehyde per mol. of either melamine or benzoguanamine and from 1 to 5% by weight, based on the weight of the condensate, of a hydrolysed product of polyvinyl acetate having a hydroxyl content of at least 50%.  Such amidogens as urea and dicyandiamide can be used in combination with the melamine or benzoguanamine in the production of the condensates.  A dry single package system can be formed by mixing the condensate, polyvinyl alcohol, hexamethylene tetramine and an acid catalyst, such as a carboxylic acid having a dissociation constant of at least 2,1 X 10-4, e.g. fumaric or oxalic acid or maleic, phthalic or tetrachlorophthalic anhydride.  The composition is dissolved by the moulder or laminator in water or a water-alcohol system and the solution is used to impregnate decorative overlays. The condensate is prepared preferably at pH 6,5 to 9,5 and at 60 DEG to 105 DEG C.  Formaldehyde, paraformaldehyde, hexamethylene tetramine, acetaldehyde, propionaldehyde, butyraldehyde, acrolein, benzaldehyde and furfural are specified aldehydes.  The hydrolysed polyvinyl acetate preferably has a hydroxyl content of at least 80% and this may be 100%.  In examples the impregnation of alpha cellulose paper is effected with (1) a water-isopropyl alcohol solution of melamine-formaldehyde condensate, hydrolysed polyvinyl acetate containing 88% polyvinyl alcohol, hexa and phthalic anhydride; (2) an ethanol/ethylene glycol monoethyl ether solution of benzoguanamine-formaldehyde condensate and hydrolysed polyvinyl acetate containing 60% of the polyvinyl alcohol.
Patent GB-919901-A (GB)
Title: Improvements in and relating to the production of carbon dioxide and alkali metal phosphate
Inventor: YATES WILLIAM E
IPC: C01B32/50
Filed: 1960-12-08
Abstract: Solutions of alkali metal phosphates are produced together with carbon dioxide by continuously introducing phosphoric acid, an alkali metal carbonate, bicarbonate, or sesquicarbonate and water into one end of a tubular reactor where mixing and partial reaction occur, withdrawing the partially reacted mixture from the other end of the reactor, passing said mixture continuously into an agitated tank reactor in which further reaction occurs and gaseous carbon dioxide separates from the liquid phase without substantial foaming, continuously withdrawing carbon dioxide from the top of said agitated tank reactor, and continuously withdrawing alkali metal phosphate solution from the lower part of said agitated tank reactor. Phosphates specified are those of lithium, sodium and potassium, and the carbonate may be introduced as solid, aqueous solution or aqueous slurry.  The carbon dioxide and phosphate solution withdrawn may be passed into the top and bottom respectively of a second agitated tank reactor, preferably larger than the first, to allow any unreacted carbonate and acid to react, and CO2 and phosphate solution withdrawn from the top and bottom respectively.
Patent GB-1033526-A (GB)
Title: Improvements in or relating to package binding mechanism
Inventor: POWER PETER CLINTON
IPC: B65B13/34
Filed: 1963-10-26
Abstract: 1,033,526. Package binding mechanisms. AUTOMATIC STRAPPING MACHINES Ltd. Dec. 11, 1964 [Oct. 26, 1963], No. 42318/63. Heading F2G. A package binding mechanism comprises tensioning means, means for sealing overlapping portions of a loop passing around the package by closing a seal over the overlapping portions severing means and a device responsive to the severing means to release the tension on the loop just before the loop is cut. As shown the tensioning device comprises a gripper 16 which holds the free end of the loop, and a slotted capstan operated by a handle 21 and ratchet wheel 20. The sealing means is housed in a housing 13 pivoted to the base-plate of the mechanism and is of a conventional laminatedhead type. Adjacent the housing 13 is the severing means comprising a pivoted knife 23 and shear plate 24, the knife being operated by a pin 30 extending from the housing 13. The knife has a rearwardly projecting finger 25 engaging an arm 26 on one end of a shaft 27, the other end of which carries a cam 28 situated above a stop pawl engaging the ratchet wheel. On operating the handles 29 to apply a metal seal around the tensioned lugs the pin 30 slides in a slot in housing 13 and depresses the knife which acts to rotate shaft 27 to release the stop pawl from the ratchet wheel and hence the tension in the loop. The arrangement of the parts is such that the tension in the loop is released just before the knife cuts the loop.
Patent GB-1187083-A (GB)
Title: Dispensing Closure.
Inventor: STULL MORTON BARTIZ
IPC: B65D47/24
Filed: 1967-04-13
Abstract: 1,187,083. Container closures. M. B. STULL. 13 April, 1967 [15 Dec., 1966], No. 42361/68. Divided out of 1,187,081. Heading B8T. The subject-matter of this application is included in Specification 1,187,081, but the claims are concerned with the closure having a helical track 76 and a lug 74 to assist the action of thread 70 and lug 72. Specifications 1,187,082 and 1,187,084 are referred to.