baber/WOPTO huggingface dataset:
Patent GB-1444528-A (GB)
Title: Gold alloy for dental purposes
IPC: C22C30/00
Filed: 1975-05-22
Abstract: The gold alloy for dental purposes, in particular for fusing to dental porcelain, consists of 20 to 30% of palladium, 15 to 25% of silver, 2.5 to 5% of tin, 0.05 to 0.5% of iridium, 0.05 to 0.5% of ruthenium, 0.05 to 0.5% of copper and 0.1 to 2% of indium, the remainder being gold. It has a homogeneous structure, is fine-grained and forms a white adhering oxide which does not cause any coloured reaction products to be formed even with the dental porcelain to which it is to be fused.
Patent GB-287780-A (GB)
Title: Improvements in or relating to burglar alarms
IPC: H01H35/02
Filed: 1927-08-26
Abstract: 287,780. Goldstein, A. Aug. 26, 1927. Burglar device for giving an alarm when a safe or box is moved comprises a casing which is placed on or within the safe and contains a ball d poised over. a depression c in the cone. b<1> formed on the lower plate b of the casing. The casing is cylindrical and is built-up of a series of insulating rings e and interposed contact rings f, f<1>, f<2> with bevelled edges f<3> projecting inside the casing so that the ball d when displaced cannot rest on one edge alone. The top and bottom plates a, b and the rings f, f<1>, f<2> are so arranged that the ball d closes a circuit through the alarm g when resting in any position other than the normal. A screw o adjusts the depth of the depression in which the ball rests.
Patent GB-739798-A (GB)
Title: Improvements in and relating to vacuum cleaners
IPC: A47L5/36
Filed: 1954-08-03
Abstract: 739,798. Suction cleaners. GENERAL ELECTRIC CO. Aug. 3, 1954 [Aug. 3, 1953], No. 22515/54. Class 8 (1). A blower attachment for a vacuum cleaner having a discharge outlet in the form of an elongated slot 12 extending partially or wholly round the body, comprises a flexible band 14 adapted to be fastened around the body over the slot 12 and a nozzle 19 clamped by the band 14 over the slot 12.
Patent GB-1217752-A (GB)
Title: Salts of levan-sulphuric acid with organic bases and process for preparing them
IPC: C07F9/24
Filed: 1968-05-13
Abstract: 1,217,752. Compositions comprising levan sulphate salts. FARBWERKE HOECHST A.G. 13 May, 1968 [12 May, 1967], No. 22560/68. Heading A5B. [Also in Division C3] Pharmaceutical compositions comprise an alkanolamine, alkylenediamine or basic amino acid levan sulphate in association with a carrier.
Patent GB-1033517-A (GB)
Title: Improvements in or relating to 1-(cyclopropylcarbonyl) ureas
Inventor: HAYMAN DAVID FRANK
IPC: C07C31/44
Filed: 1964-06-01
Abstract: The invention comprises compounds of formula <F\1> wherein R is H, Cl or Br, R1 is H, Me or Ph, R2 is H, Me, Ph or Cl and n is 0 or 1, and a process for making them by reacting the corresponding cyclopropane carboxylic acid chloride with urea.  Starting materials.-2,2 - dichloro-, 2,2-dibromo-and 2,2 - dibromo - 1 - methyl - cyclopropanecarboxylic acids are made by oxidizing the corresponding vinylcyclopropanes. 2,2-Dichlorocyclopropylacetic acid is made by hydrolysing the methyl ester obtained by reacting 2,2 - dichlorocyclopropylacetonitrile* with MeOH/HCl.  2,2 - Dichloro - 1 - methyl-cyclopropylacetic acid is made by reacting the corresponding cyclopropanecarboxyl chloride with CH2N2 followed by Ag2O. Trans-2,2-dichloro - 3 - phenylcyclopropanecarboxylic acid is made by hydrolysing the methyl ester obtained by reacting trans-methylcinnamate with sodium trichloroacetate.  All of the carboxylic acids referred to are converted to the acid chlorides with SOCl2.  The required nitrile* is made by standard methods from 2,2-dichlorocyclopropanecarboxylic acid via the -carbinol and the -methyl bromide.
Patent GB-423878-A (GB)
Title: Improvements in emergency seats for vehicles
IPC: B61D33/00
Filed: 1933-08-14
Abstract: 423,878. Folding seats. AUSTIN, SiR H., Lickey Grange, Bromsgrove, Worcestershire. Aug. 14, 1933, No. 22630. [Class 52 (ii)] A folding seat for vehicles comprises supporting means D, adapted to pivot at the lower end, and a seat E pivoted at or near its front edge to the support D and adapted to be folded by a turning movement in a forward direction through substantially 270‹ on to the support D, and the whole then folded again in the same direction through 90‹. The supports D may be pivoted at the lower end to the rear ends of base members C, the front ends of which are pivoted to some part of the vehicle or to a front seat, so that the base members with the seat folded down thereon may be folded up against the back of the front seat by a continued forward rotation. The back-rest F on supports f is also adapted to fold down upon the seat by rotary movement in the same direction.
Patent GB-317980-A (GB)
Title: Improvements in railway and like indicators
IPC: B61D41/00
Filed: 1928-08-07
Abstract: 317,980. Kr÷ckel, F. Aug. 7, 1928. Reel and non-endless web apparatus; actuating. - An indicator comprises a display band c wound on and off two drums a, b. The drums carry pinions E, E<1> engaging gear wheels d, d<1> mounted on ratchet wheels e, e<1>. Spring retracted levers h, h<1>, carrying pawls f, f<1> which operate the wheels e, e<1> , are attracted by electromagnets k, k<1> energized by manual or by automatic switches. The pawls f, f<1> are bell-cranked in shape and are normally held away from the wheels e, e<1> by springs g, g<1>. Other springs m, m<1> attached to the pawls f, f<1> overcome the springs g, g<1> when the levers h, h<1> are actuated, bringing the pawl of the attracted lever into engagement with its ratchet wheel while leaving the other pawl clear. A bell l<1> calls attention to movement of the band. Reference has been directed by the Comptroller to Specifications 9360/12 and 140,475.
Patent GB-1432065-A (GB)
Title: Method and apparatus for cooling and separating a hot liquid from a slurry
IPC: B01D35/18
Filed: 1973-05-14
Abstract: 1432065 Filtering hot slurries RASA SHOJI KK and NIPPON KOKAN KK 14 May 1973 [22 May 1972] 22899/73 Heading BID [Also in Division F4] An apparatus for filtering a hot slurry of granular material comprises a container 1 having an upper wire screen portion 1a and a lower hopper portion 1b, a central wire screen duct 4 extending through the container 1 and overlapping heat exchange elements 5 surrounding portion 1a. In use, liquid filtering through portion 1a is cooled as it flows down elements 5 and is discharged into duct 6 which connects with duct 7 which also recieves liquid filtering into duct 4. Ducts 8 discharge the granules. Vapour is vented out of the top of duct 4. The slurry may be made by solidifying molten slag in water and then subdividing the slag.
Patent GB-783369-A (GB)
Title: A process for the separation of polycarboxylic acids from mixtures containing them
IPC: C07C51/48
Filed: 1955-08-10
Abstract: Water-insoluble, non-aromatic polycarboxylic acids having the general formula R(COOH)n, in which R is an organic residue, preferably a hydrocarbon residue having 4 to 40 carbon atoms, and n is a whole number of at least 2 preferably from 2 to 7, are separated from each other or from mixtures with other waterinsoluble components by extraction at elevated temperatures with at least two molecules of formic acid or dimethyl formamide in aqueous 5 to 70 per cent by weight solution per molecule of polycarboxylic acid to be separated. The process may be applied to the separation of mixtures of di- or poly-carboxylic acids with monocarboxylic acids and/or other waterinsoluble substances such as hydrocarbons, esters, alcohols, aldehydes and ketones; the process is particularly applicable to the separation of non-polymeric polycarboxylic acids having 2 to 4 carboxyl groups per molecule.  Monocarboxylic acids or other oxygen-containing compounds having less than 10 carbon atoms in the molecule are preferably separated before carrying out the extraction process. The concentration of the aqueous extraction medium is preferably 10 to 50 per cent by weight, and the quantity employed may be between 10 and 500 molecules per molecule of polycarboxylic acid to be extracted.  Operating temperatures are preferably 50 DEG  to 100 DEG  C., but may be up to 250 DEG  C. if boiling is prevented by pressure adjustment.  The extraction is facilitated by the addition of electrolytes such as inorganic neutral salts.  The polycarboxylic acids may be separated from the extraction agent by cooling, the separation being combined with a fractionation procedure when involving the isolation of more than one polycarboxylic acid.  If desired impurities may be removed from the extraction agent before precipitating the polycarboxylic acids, e.g. by cooling the solution or by passing it over a porous solid.  The examples describe the separation of brassylic and sebacic acids from their mixtures with stearic acid; the separation of brassylic and propane2 : 2-diadipic acid from a ternary mixture with stearic acid, the separation of the components of a brassylic acid-azelaic acid mixture and a sebacic acid-adipic acid mixture; the separation of brassylic and other dicarboxylic acids from the oxidation products of rape oil, rape oil fatty acid and erucic acid from which fatty acids with less than 10 carbon atoms have been removed; and the separation of dicarboxylic acids from the oxidation product of olein from which fatty acids with less than 10 carbon atoms have been removed.
Patent GB-231760-A (GB)
Title: Improvements in or relating to valves for discharging sludge or the like
IPC: F22B37/54
Filed: 1924-09-30
Abstract: 231,760. Martin, W. Sept. 30, 1924. Valves actuated by fluid under control of auxiliary pilot valve; dirt and other deleterious matter, removing; blow-dowm apparatus. - A valve for discharging sludge or the like from boilers is provided with an inverted cap enclosing a chamber to which cleaning fluid is supplied. A discharge dome 1 carries a cylinder 2 enclosed by another cylinder 3 forming a piston chamber 4 to which compressed air may be supplied by a pipe C. The cylinder 3 carries the stem 5 and valve 6. A cap 7 is pressed downwards by a volute spring 8 which also acts as a conduit through which steam from a pipe 9 reaches the chamber 10. The air supply through the pipe C is controlled by a valve in the driver's cabin, so that when admitted to the chamber 4 the valve 6 is first lifted, and then the cap 7 to discharge sludge. On the downward movement of the valve 6, the cap 7 closes first, and steam passes out through the seatings to clean them and allow a tight closure. The discharge passage between the parts 1, 3 gradually widens to silence the discharge and prevent splashing.
Patent GB-835315-A (GB)
Title: Writing instrument
Inventor: LARSON GEORGE GUSTAV
IPC: B43K24/08
Filed: 1957-07-22
Abstract: 835,315. Writing instruments. PAPER MATE MANUFACTURING CO. July 22, 1957, No. 23150/57. Class 146(3) A retractable writing instrument comprises a rearwardly spring-biased writing unit, an axially movable plunger which projects the unit to and holds it in writing position, a side button loosely engaged with the plunger to permit relative movement therebetween and projecting from the barrel in at least the projected position of the writing unit, and a surface on the plunger co-operating with a surface on or carried by the writing unit to translate axially directed thrust of the unit into outward lateral movement of the side button. As shown in Figs. 2, 5 the barrel consists of front and rear portions 10, 11, in threaded engagement, the plunger 21 being housed in the portion 11 and a ballpoint writing unit 13 in the portion 10. The plunger 21 has an extension 22 having an inclined front face 35 which engages the inclined top of a tubular adaptor 37 fitted over the rear end of the unit 13. A pin 41 projecting from the face 35 is slidahle in a slot 40 in the inclined top of the adaptor and projections 42 on the pin prevent its withdrawal therefrom. The extension 22 has a slotted middle portion in which a finger 27 formed integrally with a shank 25 and the side button 29 is slidable, faces 26 on the shank abutting one side of the extension and lips 28 on the finger the other. The button 29 lies on the outside of barrel portion 11 between two fins 19 formed thereon and the shank 25 passes through a hole in the wall of the portion 11. When the plunger 21 is depressed to project the unit 13 the camming action between the face 35 and the top of the adaptor causes the plunger extension 22 to tilt to the left as seen in the Fgures and a lug 34 on the front end thereof to engage under a latching shoulder 33 consisting of the edge of an opening in the barrel portion 11, thus holding the unit projected. The unit is retracted by its spring when the lug 34 is disengaged from the shoulder 33 by pressing the button 29 towards the pen's axis. In modifications the inclined face 35 may rest directly on the rear end of the writing unit 13 which is suitably inclined, or on a conically headed plug inserted therein. The adaptor 37 may rest upon such a plug instead of being fitted over the unit 13 and may have a finger co-operating with a lateral recess in the extension 22, the pin 41 being dispensed with. As shown in Fig. 8, the fins 19 and slot in the extension 22 are dispensed with, the extension, being slidable between two fingers 27<SP>1</SP> attached to a shank 25<SP>1</SP> and having lips 28<SP>1</SP>. The lug 34 may be formed on the interior of the barrel portion 11 and engage a shoulder formed by a recess in the plunger extension. Reference has been directed by the Comptroller to Specification 739,787.
Patent GB-751318-A (GB)
Title: Improvements in and relating to polymethine dyes and photographic silver halide emulsions containing them
IPC: G03C1/12
Filed: 1954-08-10
Abstract: 5 : 7 - Dioxo - 3 - phenyl - 6 : 7 - dihydrothiazolo - [3,2 - a ]pyrimidine is prepared by refluxing 2-thiobarbituric acid with phenacyl bromide in ethyl alcohol.  Specification 544,645 also is referred to.ALSO:Further examples are given of dyes falling within the scope of the parent Specification.  The dyes described are of the general formula:- <FORM:0751318/IV(c)/1> or a resonance form thereof, wherein A is O or S, n, m and d are O or I, R and R1 are methyl or ethyl, Z and Z1 complete naphthathiazole, naphthaselenazole, naphthoxazole, or benzthiazole nuclei and Q completes a nucleus of barbituric acid (including a 1:3 di-b -methoxyethyl- and 1-n-heptyl barbituric, acids), thiobarbituric acid, rhodanine (including 3-allyl rhodanine), 2-imidazo-[1:2a] - pyridone, thiazolo - [3:2a]-pyrimidine-dione, pyrazolone, isoxazolone, indandione, thionaphthenone, 2 - thio - 2:5-thiazolidine-dione or 2-thio-2 : 4-oxazolidine-dione.  The dyes are made by the methods described in the parent Specification.  Specification 544,645 is referred to.
Patent GB-504819-A (GB)
Title: Improvements in and relating to wrapper carrier mechanism for cigar making machines
IPC: A24C1/28
Filed: 1937-08-24
Abstract: 504,819. Cigar - making machines. INTERNATIONAL CIGAR MACHINERY CO. Aug. 24, 1937, No. 23164. Convention date, Sept. 25, 1936. [Class 130] A wrapper-carrier mechanism includes means operative to move the wrapper carrier 28 in a unidirectional manner along an irregularly curved or non-circular closed path 59 from and back to a wrapper-receiving position, during which movement a wrapper is delivered from the carrier to a wrapping device, and means operative to turn the wrapper-carrier into different positions at different points along its path. As shown, the carrier 28 is secured to a flanged sleeve 35 rotatably mounted in the free end of an arm 27 pivoted on a stud 23 and having a fork 26 carrying rollers 29, 30, which engage in grooves 18, 19 in the lower face of a cam 16 on a rotating vertical shaft 10. Various positions of the fork 26 and the rollers 29, 30 are indicated in Fig. 5. The stud 23 is carried by an arm 21 secured to a vertical shaft 20 and provided with a roller engaging the groove 15 of a cam 14 on the shaft 10. Pivoted at 32 on the arm 27 is an arm 33 carrying a roller 34 engaging in a groove 17 in the upper face of the cam 16, and having at its outer end a gear segment 38 engaging a gear 37 on the sleeve 35, whereby the carrier 28 is turned into the desired positions at various points in its path 59. A slot 43 in the arm 33 rides over a sleeve 39 carrying the flexible suction tube 41, which is connected to a column 9 having a valve 51 actuated from a lever 54 carrying a roller engaging a cam piece 58 on the periphery of the cam 14, which comprises two overlapping parts relatively adjustable to determine the time of operation of the valve 51. The wrapper carrier is arranged to carry the wrapper W along the path 59 from a cutting bed 71 to a wrapping device 60, to which a cigar bunch B is transferred by a device 62 from a bunch-end shaping position B<1>, and the wrapped bunch is carried by a transfer device 64 to a re-rolling device 66. In successive positions of the carrier along the path 59, (1) the valve 51 is opened and a wrapper is picked up by suction ; (II) the roller 29<11> leaves the groove 18 as the roller 3011 enters the groove 19 ; (III) a dab of paste is applied to the flag end of the wrapper by a pasting device 74, Fig. 1, moved by an arm 76 on a shaft 77, and the tuck end of the wrapper is moved down on to the bunch B by a tuck needle to start the wrapping operation; (IV) the carrier is turned into position for guiding on to the bunch during wrapping; (V) the roller 29v re-enters the groove 18 as the roller 30v leaves the groove 19; (VI) .the valve 51 is closed and the flag end of the wrapper is blown down on to the end of the bunch by a puff of air through the pipe 49. Specification 504,820 is referred to.
Patent GB-1529951-A (GB)
Title: Telephone answering machines
IPC: H04M1/654
Filed: 1975-05-28
Abstract: 1529951 Telephone answering machines ANSAPHONE Ltd 26 May 1976 [28 May 1975] 23231/75 Heading H4K During playback of messages recorded in a telephone-answering machine, quiet passages of predetermined duration are detected at 9 to interrupt at 15 transmission of the messages over the line and to enable at 19 any shutdown signals arriving over the line (after the caller goes on-hook) to be detected at 21 to disconnect the machine from the line. If a shutdown signal, e.g. park or busy tone from the exchange, is not detected, the switches 15, 19 revert to normal playback.
Patent GB-1423179-A (GB)
Title: Pressurised shaving foam dispensers
IPC: C09K23/16
Filed: 1973-05-16
Abstract: 1423179 Pressurized shaving foam dispensers WILKINSON SWORD Ltd 14 May 1974 [16 May 1973] 23410/73 Headings C4X and C5D A shaving foam package comprises a pressurized dispenser equipped with a dispensing head and valve and contains therein a foamforming aqueous emulsion consisting essentially of (A) an aqueous concentrate containing (i) from 1À3-15% by weight, based on the weight of the concentrate, of one or more water-soluble or substantially water-soluble synthetic anioniccompatible surfactants; (ii) from 0À5 to 6À0% by weight, based on the weight of the concentrate, of one or more water-insoluble long-chain fatty alcohols; and (iii) from 2-12% by weight, based on the weight of the concentrate, of an anionic surfactant selected from alkali metal or alkanolamine soaps, i.e. salts of fatty acids containing from 10-22 carbon atoms, long-chain alkyl and alkaryl sulphates and ether sulphates, long-chain alkyl and alkaryl sulphonates, longchain N-acyl sarcosinates, and mixtures of two or more thereof, the anionic surfactant constituting component (iii) being of a different type from that constituting component (i) when the latter is itself anionic, the balance of the concentrate being water; and emulsified therewith (B) a liquefied propellant gas; the weight ratio of total surfactant i.e. components (i) and (iii) together, to long-chain fatty alcohol being from 1 : I to 20 : 1 and the weight ratio of total synthetic surfactant plus long-chain fatty alcohol, to soap, when the anionic surfactant is or contains soap, being in the range 0À5 : 1 to 4 : 1. "Long-chain" refers to groups of 12-18 carbon atoms and "long-chain alkaryl" refers to a benzene or naphthalene nucleus substituted by a C 5 -C 12  alkyl substituent. Component (i) may be a nonionic surfactant selected from ethylene oxide or propylene oxide adducts of long-chain fatty alcohols, acids and amides, ethylene oxide or propylene oxide adducts of polyol esters of long-chain fatty acids, ethylene oxide or propylene oxide adducts of long-chain alkyl phenols, polyoxyethylene adducts of polyoxypropylene glycol, long-chain fatty acid alkanolamides and polyol esters of long-chain fatty acids. The long-chain fatty alcohol may be myristyl alcohol. Components (iii) may be a lauryl sulphate, a lauryl ether sulphate, an octylphenyl sulphonate, a nonylphenyl sulphonate or sodium lauroyl sarcosinate.
Patent GB-614860-A (GB)
Title: Improvements in or relating to cigarette packing machines
IPC: B65B19/24
Filed: 1946-08-07
Abstract: 614,860. Cigarette packing. DEARSLEY, G., and MOLINS MACHINE CO., Ltd. Aug. 7, 1946. No. 23420. [Class 94 (i)] Each of a number of chambers 1, in which bunches of cigarettes are compressed, is formed by two members 2, 3 of L section and of a length equal to that of the cigarettes. The long limb of each member has at an angle to its inner surface an extension 4 which slides in a groove 5 formed in the other member. The member 2 is secured to a rotatable wheel 8 whilst the member 3 is pivotally attached to a spring- loaded cam-rod 10, the follower of which engages a stationary cam 7. Thus, between the cigarettes entering the chamber at A and leaving at B, the members 2, 3 slide over each other and compress the contents. The slope of the extensions is such that opposite corners move along a diagonal of the rectangular cross sectional space. Instead of mounting the chambers 1 on a wheel, a single chamber may be used with a driven cam. Guide strips may be fitted on the inner surface of each chamber.
Patent GB-888074-A (GB)
Title: A wet air filter pack for use in internal combustion engines
IPC: F02M35/024
Filed: 1959-07-08
Abstract: 888,074. Air filters. KNECHT G.m.b.H. July 8, 1959 [Aug. 8, 1958], No. 23433/59. Class 8(2). An oil-wetted air filter pack comprises several convolutions of metal gauzecovered coir web 3 supported by a central perforated cylinder 1 and enclosed by a cylindrical tube of filter fabric 4 e.g., twisted ribbon wire having air passages 5 such as to provide repeated deflection of the incoming air ; opposite ends of the cylindrical filter element so formed being covered by an annular disc 8 and a circular disc 7. The perforated cylinder 1 consists of wire mesh connected by metal strips 6 to the end caps 7, 8.
Patent GB-953070-A (GB)
Title: Methods of moulding integrally a glass foot and stem part of a stem type glass
IPC: C03B11/06
Filed: 1960-07-05
Abstract: <PICT:0953070/C1/1> The stem and foot are shaped by a plunger 11 in a mould 9, having a bottom closure 7 with vent 8, in association with a ring mould 13 to define a bead edge 18 at the periphery of the foot. Variations in size between different gobs of glass are accommodated as variations in thickness in the central portion 15 of the foot. After removal from the mould the edge 8 is smoothed by reheating. Colouring matter may be applied to it at this stage.