baber/WOPTO huggingface dataset:
Patent GB-954793-A (GB)
Title: Improvements in and relating to urethane polymers
IPC: C08G18/50
Filed: 1960-04-14
Abstract: A polyurethane plastic having fire retardant properties is produced by interacting,in the absence of other polyesters or polyethers, a polyisocyanate and a phosphorus compound having at least two active hydrogen atoms per molecule and which is the reaction product of an acid of phosphorus and an alkylene oxide unless that acid is itself the product of a reaction with an alkylene oxide in which case the acid itself is used, and curing the product which is formed. The acids of phosphorus specified are the same as those in Specification 954,792. The reaction is carried out under a blanket of nitrogen. The degree of fire retardance depends on the amount of phosphorus compound used.  To produce a foamed product 5-20% excess diisocyanate calculated as unreacted NCO is used and the mixture is subsequently heated with a catalyst, a surface active agent and an additional amount of the phosphorus compound and/or a conventional polyester or polyether and either water or a low boiling inert liquid. Curing is at 25-100 DEG C. for 10 minutes to 2 hours. The product is light in weight and may be rigid or flexible. In a typical example (I) a prepolymer prepared under a nitrogen atmosphere from propoxylated phosphoric acid and excess tolylene diisocyanate is mixed with additional propoxylated phosphoric acid, carbon trichloride monofluoride, an organosilicon block copolymer surfactant and dibutyl tin dilaurate to give a polyurethane foam.  In Example II (a) (1) and III the prepolymer was prepared as in I. In Example II (a) (2) trimethylolpropane was mixed with excess tolylene diisocyanate to give the prepolymer. The prepolymer from Example II (a) (1) was foamed by adding H3PO4, poly(dimethyl silicone), carbon trichloride monofluoride and dibutyl tin dilaurate; that from II (a) (2) was foamed by adding propoxylated trimethylol propane, poly (dimethyl silicone), carbon trichloride monofluoride and dibutyl tin dilaurate. The prepolymer from Example III was foamed by adding propoxylated phosphoric acid and N-methyl-morpholine.
Patent GB-1360614-A (GB)
Title: Collet for a chuck
IPC: B23B31/20
Filed: 1971-09-16
Abstract: 1360614 Chucks WICKMAN MACHINE TOOL SALES Ltd 16 Sept 1971 [17 Oct 1970] 49423/70 Heading B3B A collet for a chuck having a hollow body 10 and a plurality of angularly spaced jaws 14 having outer surfaces 14b which are inclined relative to the longitudinal axis of the body to coact with a complementary inclined surface of a surrounding part, is characterized by the body 10 being provided with internal abutments 13, a plurality of rubber segments 16 bonded to the body, and the jaws 14 being bonded between adjacent segments and having means, e.g. pins 15, for co-action with the abutments 13 to limit relative axial movement between the jaws and body. The abutments on the body may be grooves to receive the pins, or the jaws may have grooves to coact with a shoulder on the body. One of the jaws may have an external key for co-operation with the surrounding part for positive drive.
Patent GB-1062940-A (GB)
Title: Figure recognizing system
IPC: G06V10/44
Filed: 1963-12-17
Abstract: 1,062,940. Automatic character reading. TOKYO SHIBAURA ELECTRIC CO. Ltd. Dec. 17, 1963 [March 18, 1963], No. 49742/63. Heading G4R. In a character reading apparatus a number of features of the line elements are detected, viz.: start and end of a line, concavity and convexity, divergence and convergence of lines, their inclination and their relative length, width and position, these features being compared with stored information to identify the characters. The characters are scanned in a series of vertical lines (51, Fig. 7, not shown) and the signals stored in a memory circuit (52) differentiated in increment circuit (56) and scanned in the vertical direction (t, Fig. 4, not shown) to obtain sequences of +, - &c., certain of which are detected by a logical circuit (58). This also receives data from the preceding scan line to determine whether a start or end is present. The output from the scanner (51) is also applied to a phase-classifying circuit (53) and the classified signals passed to a digital to analogue converter (60). The signal from the converter is differentiated twice and compared with zero to determine whether the curve of the line is concave, convex, has a sharp bend, or is straight. Beginnings of lines are represented by positive pulses and ends by negative pulses. These are integrated in a totalizing circuit (65). Similarly, branchings and convergences are integrated in a circuit (66). The number of intersection pulses from scanner (51) are counted (54) and these values are subtracted (64). The result, when positive, indicates the presence of branchings; when negative, of convergences. The output pulses of the scanner (51) are applied to an integrating circuit (55) to obtain a measure of its area. This is compared (69) with the reference height and the figure width is thereby obtained. The outputs of the first differentiating circuits (61) are compared to obtain a measure of the slope of a line. The output of the scanning circuit (57) is applied through a switching circuit (71) to an integrating circuit (72) and from this, to another (73) which gives a measure of the line length. The features extracted are stored in memories (59, 70) and compared (68, 77) with standard values from stores to identify the characters.
Patent GB-1395771-A (GB)
Title: Apparatus and method for levelling metal strip
IPC: B21D1/00
Filed: 1972-10-30
Abstract: 1395771 Levelling strip PRODUCTION MACHINERY CORP 30 Oct 1972 [9 Nov 1971] 49876/72 Heading B3E Metal strip is levelled while under tension by the application of flexing forces through a fluid film bearing extending the whole width of the strip and of uniform thickness throughout that width. In Fig. 1, the strip is fed and tensioned by rollers 10, 12, 14, and 16, and also passes over flexing rolls 22 and a straightener comprising adjustable roll units H, I. Each roll 22 is supported in journal 24 by a fluid film bearing supplied by pipes 54 and pump 56 from a sump 60. When the strip is not running, the rolls 22 are prevented from seating by fluid fed to the journals by pipes 92 and pump 90. In an alternative, Fig. 5, the rolls 22 are replaced by stepped and radiused surfaces 102, 104, across which extend grooves supplied with suitable fluid through pipes 54.
Patent GB-1094956-A (GB)
Title: Photographic materials for the silver dyestuff bleaching process
IPC: C09B43/145
Filed: 1965-11-25
Abstract: Symmetrical tris-azo dyes are described having the formula R4-N = N-R5-NH-OC-R6-N = N-R6-CO-HN-R5-N = N-R4 wherein R4 is a benzene or naphthalene residue containing at least one sulphonic acid group, R5 is a benzene or naphthalene residue bound in 1: 4-position to the-N = N-and-NHCO-groups and R6 is a monocyclic residue having 5 or 6 ring atoms, for example a substituted or unsubstituted phenylene group or a thiophene residue.  More particularly, R4 may be a sulphophenyl, sulphotolyl or sulphonaphthyl radical containing up to three sulpho groups, R5 may be phenylene carrying methyl, methoxy, carboxymethoxy, ethoxy, b -hydroxyethoxy, acetylamino, ureido or chloro substituents or a naphthylene radical substituted by sulpho and R6 may be phenylene substituted by methyl, chloro or methoxy or a 2: 5-thiophene residue. The dyes are made by coupling a diazotized aminobenzene sulphonic acid or aminonaphthalene sulphonic acid in an acid medium with an aminobenzene or aminonaphthalene coupling para to the amino group and reacting the aminomonoazo dye obtained with an azobenzene or azothiophene dicarboxylic acid chloride.  The dyes are used in silver-dye-bleach photographic materials.  (See Division G2.]
Patent GB-1158654-A (GB)
Title: Improvements in or relating to method and apparatus for producing Filament-Reinforced Flat Resin Sheets
IPC: D04H3/04
Filed: 1967-11-03
Abstract: 1,158,654. Non-woven fabric. KOPPERS CO., Inc 3 Nov., 1967 [15 Dec., 1966], No. 50206/67.. Heading D1R. A non-woven sheet is made by passing an endless band 13 around spaced apart rollers, one of which is driven, applying filaments 55, to the top and bottom surfaces of the band in its lengthwise direction, helically winding other filaments 51 over the longitudinally extending filaments, applying to the filaments a heatcurable resin, at least partially curing the resin, e.g. at 31, removing the cured resin and filaments along the edges of the band, e.g. at 60, whereby the top and bottom lengths of sheets 89, 91 are separated, then removing the separate sheets from the band 13. The resin may be applied to the filaments after they are applied' to the band, e.g. at 59, or before the filaments are wound onto the band. A parting agent, e.g..polyvinyl chloride or polyvinyl alcohol, can be applied to band .13 to assist the release of the filaments and resin therefrom. The resin may be cured whilst it passes around' roller 17. The resin and filaments may be removed from the edges of the band 13 by passing it between vertical driven grinding rollers (61, 63), see Fig. 4 not shown. The metal band 13 may pass through a cleaning station prior to engaging roller 15. The filaments may be made of glass. The resin may be thermosetting.
Patent GB-1406006-A (GB)
Title: Continuous casting of hollow metal ingots
IPC: B22D11/00
Filed: 1973-10-31
Abstract: 1406006 Continuous casting VSESOJUZNY ORDENA LENINA NAUCHNO-ISSLEDOVATELSKY I PROEKTNO-KONSTRUKTORSKY INSTITUT METALLURGICHESKOGO MACHINOSTROENIA and TSENTRALNY NAUCHO - ISSLEDOVATELSKY INSTITUT CHERNOI METALLURGII IMENI I P BARDINA 31 Oct 1973 50633/73 Heading B3F A hollow body is cast continuously, using a mandrel having at least one portion of its length which is tapered and a bottom closure (such as a dummy bar) for the mould, the longitudinal position of the mandrel being controlled during casting, e.g. mechanically or hydraulically by the automatic action of a radioactive detector of the melt level in the mould, so that the melt level is maintained substantially constant with respect to the mandrel; when the mandrel is lowered to control its longitudinal position, it is moved at least 0À1 m./min. slower than the casting withdrawal rate. This is said to prevent the casting seizing on the mandrel.
Patent GB-1525928-A (GB)
Title: Sales discount apparatus
IPC: G06Q40/00
Filed: 1975-11-24
Abstract: 1525928 Allotting discounts during sales transactions K N RUDD 24 Nov 1975 [25 Nov 1974] 50872/74 Heading G4T A goods dispenser (e.g. a self-service petrol pump) or a cash till is associated with means which after particular sales displays rates of discount appropriate to such sales. The rates of discount are determined either by a programmed computer or by such a computer working in association with a random selector. The computer programme may determine the discounts in dependence upon the elapse of time or the amount of money held in a discount pool. The latter is decreased by discount payments and increased by a pre-determined proportion of recorded receipts. The random selector may be arranged to generate a 5% discount fifty times more often than a 25% discount. An over-riding control may be manually operated to either render discount rates above a certain level unavailable or to render high discount rates available.
Patent GB-1334281-A (GB)
Title: Apparatus for the storage and distribution of articles
IPC: B65G1/06
Filed: 1971-11-03
Abstract: 1334281 Article storage and dispensing apparatus COMPAGNIE GENERALE D'AUTOMATISME 3 Nov 1971 [3 Nov 1970] 51082/71 Heading A4T A storage and vending apparatus comprises four sections 1-4, Fig. 1, each containing several banks e. g. that having front 5B and side 5A in section 1, each bank containing a number of magazines e.g. 6 containing identical articles 7 which are pressed downwards onto gravity against a stop at a cut-out 31, Fig.5a, and opposed bottom outlet. Each bank in Fig. 1 is shown in a retracted position and each bank may be lowered by a first manual or electrical drive system e.g. as at X7, Fig. 2 towards a set of dispensing endless belt conveyors 8, Figs. 1, 2 whereby a pusher 11 on a belt enters the cut-out of a selected magazing and displaces the article out of the stack on to a transverse endless belt conveyor 9 Fig. 1 which delivers the article to a retrival point 16. The position of a stack of articles is determined by an X-Y coordinate as shown in Fig. 2. The banks are also electrically driven or pulled by handle 10 in the direction of arrow 15 to a servicing position in which all the magazines are accessible. Each bank in its pretracted position is supported by an upper T-formation entering a flanged U-section 32, the latter being carried on spring 43. On rotating crank 47, straps 41A, 41B pull the bank down towards its dispensing positon. The banks may move horizontally instead of vertically.
Patent GB-1060000-A (GB)
Title: The method for synthesizing dl-glutamic acid and its alkyl derivatives, and intermediates
IPC: C07C255/24
Filed: 1964-12-16
Abstract: Compounds of formula NC.CHR1.CHR2.CR3(NH2)CN where R1, R2 and R3 are hydrogen or C1- 5 alkyl, are prepared by reacting NC.CHR1.CHR2.CR3(OH)CN with above 1.1 moles of aqueous ammonia per mole of starting material, at 40-250 DEG  C. and superatmospheric pressure; the products may be hydrolysed at 60-200 DEG  C. with above 2 moles of an alkali metal hydroxide per mole of dinitrile to produce the di-alkali metal salt of the corresponding amino acid; the latter may be obtained by adjusting the pH to the iso-electric point of the amino acid.
Patent GB-1307210-A (GB)
Title: Device for controlling the simultaneous locking or releasing of a plurality of latches
IPC: E05B65/36
Filed: 1971-11-08
Abstract: 1307210 Electrically operated locks AUTO MOBILES PEUGEOT and REGIE NATIONALE DES USINES RENAULT 8 Nov 1971 [30 Nov 1970] 51756/71 Heading E2A A device for simultaneously controlling a plurality of electrically operated latches each of which comprises a solenoid connected to a bolt of the latch each solenoid being connectable to a supply of current in series with a common switch which is actuable by a first coil in series with at least one bolt locking switch and by a second coil in series with at least one bolt releasing switch. Each door bolt 1 of a vehicle pivots with a shaft 3 and is locked by turning a barrel of a front door cylinder lock 13 anticlockwise thus closing a front door switch 22, Fig. 1 (switches 22a, 22b in Fig. 3 being for right and left hand front doors) energising the coil 28 of a relay 27 and opening switch 26 connected to a battery 23 and to the solenoid 12 Fig. 1 (solenoids 12a to 12d for four doors in Fig. 3). Turning the lock barrel of a front door clockwise closes a switch 21 energising the coil 29 of the relay and closing switch 26, all the bolts are then releasable by pressing outside push buttons 30a to 30d or inside push buttons 32a to 32d to energise the solenoids 12a to 12d. If the switch 21 does not actuate continued rotation of the barrel by the key causes an arm 14 on the barrel to move a link 16 connected by a lever 17 to a lever 10 connected to the solenoid and to the bolt shaft 3 to release the bolt. The bolts are locked or released from inside the vehicle by closing a switch 36 or 37. Opening a door closes a door switch 38 for operating a roof light 39 and closes the circuit for the coil 29 to release the bolts. The rear doors may have a child's safety switch 34 in circuit with the inside push buttons 32c, 32d whereby when the switch is open the rear doors cannot be opened internally and a warning light 35 is illuminated. A warning light 42 is illuminated when the relay switch 26 is open and the bolts are locked and the main switch 41 is closed. The door bolts may be released mechanically by pulling an inside knob 8 which is connected by a link 9, to an arm 7 projecting radially from the shaft 3.
Patent GB-1284908-A (GB)
Title: Process and apparatus for the production of glycerol dichlorohydrin
IPC: B01J10/00
Filed: 1969-10-23
Abstract: 1284908 Gas/liquid and liquid/liquid contact ASAHIDENKA KOGYO KK 23 Oct 1969 [23 Oct 1968 (2)] 51983/69 Heading B1F [Also in Division C2] In the gas/liquid contact apparatus shown, glycerol dichlorohydrin is formed in connecting part 8 and the upper part of the downward flow column 7 as the result of passing alkyl chloride vapour and chlorine gas from inlets 1 and 2 respectively into aqueous mixture ascending upward flow columns 5 and 6, the circulation being maintained by the gas lift effect of the allyl chloride and chlorine. The allyl chloride and the chlorine dissolve before they contact each other. Water is introduced through port 3, and glycerol dichlorohydrin solution is withdrawn at 4. In the embodiment of Fig. 20, the upper part of column 14 is constructed of a titanium lath. In the emibodiment of Fig. 24, unreactive stripping gas is passed through perforations 32 to remove unreacted gas from the solution, and the gas mixture is washed in 28.
Patent GB-1240724-A (GB)
Title: Improvements in or relating to cutting inserts
IPC: B23B27/16
Filed: 1968-11-04
Abstract: 1,240,724. Reversible inserts. CARMET CO. 4 Nov., 1968 [8 Nov., 1967], No. 52243/68. Heading B3T. A reversible insert 10, preferably made of a cemented carbide, is wedge-shaped and has identical forwardly diverging upper and lower sides, 12 and 14 respectively, with the cutting end and the opposite end being perpendicular to the median plane of symmetry. The insert is held on a tool holder 44 by an eccentric pin 54 and locating pins 52 and (50), Fig. 8 (not shown). Instead of a forward face 20 the insert may have lateral sides converging to an edge which may be rounded or sharp. In a further modification the face 20 may be wider than the rear face 18 and ground to a suitable profile, Fig. 18 (not shown). The rear face 18 of the insert may be shaped, instead of having V- portions 40, 42, to fit onto conventional holders.
Patent GB-1433156-A (GB)
Title: Purification of crude amides
IPC: C07C67/00
Filed: 1973-11-12
Abstract: 1433156 Purifying fatty acid amides AKZONA Ine 12 Nov 1973 [21 Nov 1972] 52420/73 Heading C2C Fatty acid amides containing 14-22 carbon atoms and contaminated with free fatty acids are purified by (1) neutralizing free fatty acid with a base and (2) subjecting the neutralized product to molecular distillation under reduced pressure and collecting the amide as a distillate. The neutralizing agent may be sodium, potassium or lithium hydroxide (e.g. dissolved in methanol), a solution of sodium methoxide or an alkaline earth metal hydroxide.
Patent GB-1096232-A (GB)
Title: Method and apparatus for ciphering and deciphering messages
IPC: H04L9/18
Filed: 1964-12-24
Abstract: 1,096,232. Data transmission systems. GRETAG A.G. Dec. 24, 1964 [Dec. 24, 1963], No. 52435/64. Heading H4P. Synchronization of the transmitter and receiver cipher generators in a ciphered digital transmission system is accomplished by comparison of a series of cipher pulses from the transmitter with a series from the receiver cipher generator. A correlation unit determines the instant of synchronization. Subsequently ciphering and deciphering takes place by mixing the data to be enciphered and the enciphered data with the cipher generator outputs. In the system described, the cipher generators are fed by both a periodic basic cipher and by unit controlled in accord with the date and time. A highly stable clock controls the read-out of each generator. When no data is to be transmitted the cipher generators are stepped periodically under control of, for example, the date-time unit and by an amount that may be of variable length determined by that unit. When data is to be transmitted cipher pulses from the transmitter cipher generator are sent to the receiver and there correlated with a series of n cipher pulses from the receiver generator. The received pulses are shifted through a register, the successive parallel n-bit outputs being multiplied, bit by bit, with the n receiver cipher pulses. A chosen correlation factor is reached when the pulses series are within ¢ bit of precise sync., and upon this factor being detected the receiver clock pulses are passed to the cipher generator, causing it to step in phase with the transmitter clock. A serially operating correlator is also described. Since it is possible that the clock pulses feeding the correlator register may coincide with the received bit transitions two correlators are provided, operating half a bit out of phase. After the receiver generator has been started precise sync. is obtained by comparison of the received cipher pulses and the pulses from the receiver generator. The latter are passed direct and via a ¢-bit delay to multipliers fed by the received pulses. The difference of the multiplier outputs is integrated, and if the integrator output reaches a preset positive or negative threshold in a given time a correction is applied to the output of the stable clock. Now that precise sync. has been obtained enciphered data transmission takes place. Periodically the synchronism is readjusted by stopping the enciphering and sending cipher pulses alone as before.
Patent GB-1111554-A (GB)
Title: Process for producing photographic coloured images and colour couplers for use therein
IPC: C07C311/47
Filed: 1965-12-10
Abstract: The invention relates to colour couplers having the general formula <FORM:1111554/C2/1> wherein X represents hydrogen, one or more halogen atoms or methyl or sulphonic group substituted in the 4-,5- or 6- positions of the benzene nucleus A, Y represents a group -NH-CO, -CO-NH-, -NH-SO2-, -SO2NH-, R represents H, an alkyl or aryl group which may be substituted by one or more solubilizing groups and/or one or more linear or branched alkyl group.  Many examples are given.
Patent GB-1293344-A (GB)
Title: Gas burner castings and their manufacture
Inventor: CLIFFORD RAYMOND HARVEY
IPC: B22D19/00
Filed: 1968-11-07
Abstract: 1293344 Casting composite burners R H CLIFFORD 5 Nov 1969 [7 Nov 1968] 52735/68 Heading B3F A gas burner having a hole or recess 2 therein is made by locating a piece of sheet metal 3, e.g. of stainless steel, in a mould in a position corresponding to said hole or recess and casting metal in the mould so that the sheet metal becomes bonded to the casting 1 in the hole or recess.
Patent GB-1339568-A (GB)
Title: Process and apparatus for producing non-woven filamentary structure
IPC: D04H3/02
Filed: 1970-11-05
Abstract: 1339568 Non-woven material TEIJIN Ltd 5 Nov 1970 [5 Nov 1969] 52737/70 Heading D1R A non-woven material is formed by expanding tow by feeding it into a space which is formed between two running parallel, endless belts and in which an electric field is formed. The tow may comprise continuous fibres or fibres having a length at least equal to the spacing between the belts, and may feed at a speed at least equal to, and preferably greater than the belt speed. A tow 1, preferably spread, e.g. by air jets, is fed into space 3 between running belts 2, the expanded material being attracted onto running belt 7 by electrostatic or suction device 6. A potential gradient is maintained across space 3 by at least one pair of electrode plates 5. One of the electrodes may be formed by an endless belt. The belts 2 may be horizontal, the expanded material being removed by one horizontal belt 7, by the extended lower belt 2, or between a pair of belts 7. The tow is preferably sprayed with an anti static agent comprising water, an aqueous solution of an anionic, cationic, non-ionic or ampheteric surface active agent, or an aqueous solution of an inorganic electrolyte. The tow may comprise glass or polyester fibres. The fibres of the expanded material may be bonded by the setting of an adhesive solution applied by spraying or immersion, or by the setting of a sprayed-on adhesive powder, or by heat fusion.