baber/WOPTO huggingface dataset:
Patent GB-839775-A (GB)
Title: Fluid dispensing means
Inventor: ROUSSET RENE PAUL
IPC: B65D83/14
Filed: 1957-04-18
Abstract: 839,775. Dispensing liquids by gaseous pressure. SPARKLETS Ltd. April 11, 1958 [April 18, 1957], No. 12755/57. Class 102(2). [Also in Group XVIII] A metering valve assembly for an aerosol or like dispenser comprises a valve 26 controlling the passage of fluid from a discharge tube 16 and an outlet valve 42 with a central bore 43 communicating with the spray head 36, the measuring chamber being formed by an annular space between the lower end of valve 42 and an axial bore in a sleeve 18 in which valve 42 is slidable. Normally, as shown, valve 26 engages a seating formed at the lower end of the bore in sleeve 18 to cut off discharge tube 16, and valve 42 is held clear of the upper surface of valve 26 by a spring 41. Upon depressing the valve head against the force of this spring, the lower end of valve 42 first engages valve 26 to close bore 43, and then valve 26 is unseated to allow the contents of the container to pass from tube 16 to the space between valve 42 and the bore in sleeve 18. Upon releasing the valve head, valve 26 is first reseated to trap the predetermined volume of fluid in the annular space above it, and then valve 42 is unseated to open bore 43 and permit discharge of the trapped fluid. A modification, Fig. 4 (not shown), for use with the container in an inverted position is also described.
Patent GB-1499323-A (GB)
Title: 6-substituted chromones and chromanones
IPC: C07D311/32
Filed: 1974-03-22
Abstract: 1499323 6 - Substituted - chromones and chromanones FISONS Ltd 18 March 1975 [22 March 1974] 12784/74 Heading C2C Novel compounds of the Formula I wherein Ra is hydrogen, alkyl, alkenyl or phenyl, R 3 , R 5 , R 7  and R 8  ,which are the same or different, are each hydrogen, alkyl, alkoxy, halogen, hydroxy, alkenyl or phenyl, Rx is hydrogen or alkyl, Ry and Rz are both hydrogen or together represent a carbonyl oxygen atom, Rb and Rc are both hydrogen or together are a carbon-carbon bond provided that when R x  is hydrogen, Ry and Rz together represent a carbonyl oxygen atom and R 5 , R 7  and R 8  are all hydrogen then Ra is other than methyl or phenyl, and pharmaceutically acceptable salts esters and amides of those compounds I in which Ry and Rz together form a carbonyl oxygen atom, may be prepared by (1) for a compound of the Formula Ia by cyclizing a compound of the Formula II in which R is H or an alcoholic residue when Ry and Rz together represent carbonyl oxygen and Ris H when Ry and Rz are both H; (2) for a compound of the Formula Ib (a) selectively oxidizing a compound of the Formula Ic or (b) hydrolysing a corresponding ester of a compound of the Formula Ib; (3) for a compound of Formula Id or an ester thereof by selective reduction of a compound 1(a) or an ester thereof; (4) cyclizing a compound of the Formula VII (5) for a compound Id, cyclizing a compound of the Formula VIII  and where desired or necessary converting the compound I in which Ry and Rz together form a carbonyl oxygen atom to a pharmaceutically acceptable salt, ester or amide thereof or vice versa. 2 - [4 - Hydroxy - 3 - (3 - oxapentanoyl)- phenyl]ethanol and the corresponding 2-substituted propanol are prepared by reacting 4- methoxyl phenethyl alcohol or 2-(4-methoxyphenyl)propan-1-ol with acetyl chloride under Friedel-Craft conditions to yield 2-(3-acetyl-4- hydroxyphenyl)ethyl acetate or the corresponding 2-substituted propyl acetate followed by hydrolysis of the ester group to yield the corresponding alcohols which are reacted with ethyl pionate under strongly basic conditions to yield the required compounds. 2 - (4 - Methoxylphenyl)propan- 1 ol is prepared by reaction of 4- hydroxyphenyl acetic acid with methyl iodide in the presence of strong base to yield methyl 2-(4-methoxyphenyl)propionate which is reduced to the required compound. Methyl 2 - [4 - hydroxy - 3 - (pent - 2 - enoyl)- phenyl]propionate is prepared by reaction of methyl - 2 - (4 - methoxyphenyl)propionate with pent-2-enoyl chloride in the presence of titanium chloride followed by treatment with boron trichloride. Methyl 2 - (3 - acetyl - 4 - hydroxyphenyl)- propionate is prepared by a Friedel-Craft reaction of methyl 2-(4-methoxyphenyl)propionate with acetyl chloride. Compounds of the Formulµ II, VIII and the Formula IV are the subject of Specification 1,499,324. Pharmaceutical compositions of the compounds I with the usual excipients show anti-inflammatory activity when administered enterally, parenterally or topically.
Patent GB-784099-A (GB)
Title: Improvements in or relating to dynamo-electric machines which may also be employed as dynamo-electric couplingsand dynamometers
Inventor: ROSS ERIC GRAHAM
IPC: H02K49/12
Filed: 1955-05-03
Abstract: 784,099. Dynamo-electric machines. WELLMAN SMITH OWEN ENGINEERING CORPORATION, Ltd. May 3, 1956 [May 3, 1955], No. 12820/55. Drawings to Specification. Class 35. An eddy-current coupling, brake, dynamometer or homopolar generator is of the same construction as that described in Specification 671,314, except that the conductors which were embedded in the material of the inner member in that Specification are, instead, carried in semiclosed slots at the bottoms of the open slots in the inner member.
Patent GB-120405-A (GB)
Title: Improvements in the Separation and Purification of Sulphonic Acids.
Inventor: SOUTHCOMBE JAMES EDWARD
Filed: 1917-09-07
Abstract: 120,405. Southcombe, J. E., and Downie, R. M., (trading as Southdown Chemical Co.). Sept. 7, 1917. Naphthalene sulphonic acids.-The mixture of naphthalene sulphonic acids with sulphuric acid, obtained by the sulphonation of naphthalene, is worked up by first partially neutralizing the mass with an alkali (sodium carbonate or caustic soda) and completing the neutralization by adding lime; the calcium sulphate is filtered off, any excess of lime is precipitated by sodium carbonate, and the resulting solution of sodium naphthalene sulphonates filtered.
Patent GB-686089-A (GB)
Title: Improvements in or relating to mechanical coupling means for chucks
IPC: B23Q3/12
Filed: 1951-05-31
Abstract: 686,089. Mounting chucks &c. JACOBS MANUFACTURING CO. May 31, 1951 [June 13, 1950], No. 12867/51. Class 83 (iii). [Also in Groups XXIV and XXVIII] A spindle 6 drives a chuck 18 through the engagement of its taper shank 14 with a tapered socket 16 in the chuck, the two parts being drawn into firm engage ment by a lock-nut 28 screwed on the spindle, or on a sleeve 10 pinned to the spindle, and having an internal flange 36 engaging under a spring circlip 26 in a groove 25 on an extension of the chuck body. The nut may be tightened by hand or by a wrench in holes 34 and, in the tightened position, the smaller internal diameter 32 closely surrounds the circlip and prevents it from expanding radially under load; the threads on the nut are right-handed so that clockwise rotation of the chuck tends to tighten the nut. When the nut is slackened, it bears on the chuck body and loosens the taper shank from the socket.
Patent GB-831823-A (GB)
Title: Method for preparing de-hydrated aldols of high molecular weight
Filed: 1957-04-23
Abstract: Dehydrated aldols, having from 12 to 44 carbon atoms, are obtained by the condensation of one or more monomeric aldehydes, at least one of which has two activated a -hydrogen atoms, by dissolving in the aldehydes a minor amount of a catalyst comprising a metallic fatty acid soap in which the metallic cation is chromium, manganese, iron, cobalt, nickel or copper and in which the anion is a fatty acid containing from 6 to 22 carbon atoms in the molecule, continuously dehydrating the resulting aldol and removing the water of reaction as it is formed.  The products are unsaturated aldehydes having from 12 to 44 carbon atoms. Preferred catalysts are copper stearate and caprylate and the reaction may conveniently be carried out at a temperature of 110-115 DEG  C. and a pressure of 15 mm.  In a preferred procedure the aldehyde is refluxed with the catalyst to form the aldol and as water is eliminated from the aldol it is distilled from the reactants, the reaction therefore being conducted under substantially anhydrous conditions.  In the examples: (a) 2-octyl-2-dodecenal is prepared from decanal, (b) 2-hexyl-2-decenal from octanal and (c) 2-hexadecyl-2-eicosenal from octadecanal.
Patent GB-1056572-A (GB)
Title: Magnetic binary store
Inventor: WARSOP COLIN
IPC: G11C11/06
Filed: 1964-03-26
Abstract: 1,056,572. Magnetic storage devices. ERICSSON TELEPHONES Ltd. March 15, 1965 [March 26, 1964], No. 12974/64. Heading H3B. [Also in Division H1] An information store comprises a strip of square loop magnetic material 1 having two holes 2, 3 disposed along the longitudinal axis 4 of the strip threaded by a wire 5 so that a current passed through the wire induces annular magnetic fields around the holes which have the same sense 9 between the holes. The direction of the magnetization 9 determines the value of the bit stored and in order to read out non-destructively a current is applied to interrogate winding 6 wound around the strip 1 which results in deflection of the vector 9, Fig. 2 (not shown), and a change of flux linking the wire 5 inducing an E.M.F. therein. When the interrogation current ceases the vector 9 returns to its original position resulting in an E.M.F. equal and opposite to the first being induced in wire 5. The output signal is a positive pulse followed by a negative pulse for one binary digit and a negative pulse followed by a positive pulse for the other, i.e. when vector 9 is directed in the opposite direction. In an alternative arrangement a bias current is passed through the interrogate winding 6 so that the deflected position of vector 9 represents the stored digit. Interrogation is achieved in this case by ceasing the bias current and substituting an equal and opposite interrogate current. The induced signals at the beginning and end of the interrogate current in this case are in the same direction which direction is indicative of the digit stored, Figs. 4A, 4B (not shown). The matrix of Fig. 5 includes two columns a, b each of which comprises a strip 18 provided with regular holes, one hole being left unused between each pair to prevent interference. Write operations are performed by applying half current pulses to the selected column ca, cb and row winding rp, rq to establish the vector 9 in the required direction. To read out interrogate winding ca or cb is energized as in Fig. 1. Column wires Ca, Cb may be dispensed with in which case write-in of information is achieved by coincidence of half pulses in a row wire and in an interrogate winding, Fig. 6 (not shown).
Patent GB-1485665-A (GB)
Title: Nickel electroplating
IPC: C25D3/16
Filed: 1975-03-27
Abstract: 1485665 Nickel electro-plating bath PERMALITE CHEMICALS Ltd 2 March 1976 [27 March 1975] 12978/75 Heading C7B An aqueous acidic Ni electro-plating bath contains the following components, exemplified compounds in parenthesis: NiSO 4 ; Cl and/or Br (via Ni, K, Mg or Na salt); boric acid ions; at least 0À005 g/l acetylenic alcohol (butyne 1,4-diol, but-1-yne-3-ol, propargyl alcohol, methylpentynol); at least 0À005 g/l purified mono- or di-alkoxylated, where alkyl is ethyl, butyl or propyl, acetylenic alcohol (mono- or di-ethoxylated butyne diol or diethoxylated propargyl alcohol); at least 0.0005 g/l of an N-disubstituted amino acetylenic compound or its hydrochloride (dimethyl or diethyl amino propyne hydrochloride); with 0À01-0À5 g/l total of acetylenic compounds. Optional ingredients are e.g. Na benzoate, Na allyl or vinyl sulphonate, naphthalene trisulphonic acid, saccharin, Na 2- ethylhexyl sulphate and Na lauryl ether sulphate. A second Ni layer or a Cr layer may be subsequently electro-plated. Reference has been directed by the Comptroller to Specifications 1026987 and 1143257.
Patent GB-592656-A (GB)
Title: Improvements in or relating to pulsators for milking machines
IPC: A01J5/10
Filed: 1945-05-24
Abstract: 592,656. Cow-milking appliances. AKTIEBOLAGET SEPARATOR. May 24, 1945, No. 12991. Convention date, May 23, 1944. [Class 84] The pulsation frequency regulating throttle of a suction milking machine comprises a needle stem 4 with a conical tip in an opening in a seating 7, and is in series with a non-regulatable opening 10 such that the pulsator cannot work at too high a frequency. The shank 3 of the needle 4 is guided in a sleeve 2, threaded in the housing 1, so that it is adjustable to control the throttle opening. The throttle traps dust particles from the air and may be cleared by momentarily pushing the needle 4 through the opening. Movement of the needle is limited by a pin 17 in a hole 16 in a sleeve 15 on the seat 7, or alternatively, a spring ring may limit movement of the sleeve 2, or there may be a cylindrical extension at the thin end of the needle 4. Packing 18 is fitted.
Patent GB-387354-A (GB)
Title: Improvements in or relating to valves for inflation purposes
IPC: F16K15/20
Filed: 1931-05-04
Abstract: 387,354. Inflating-valves. BEASLEY VALVES, Ltd., 53, New Broad Street, and BEASLEY, T., 33, Narbonne Avenue, Clapham Common, both in London. May 4, 1931, No. 13147. [Class 135.] An attachment adapted to be screwed into the body 1 of an ordinary inflating-valve comprises a rod 9 with a conical end 10 and a threaded enlargement 12, this enlargement having transverse and longitudinal bores 14, 15 and a disc or like valve 17 formed on a spindle 18 which is guided in a sleeve 16. So that air may escape from the transverse bore 14, flats 13 are provided at its ends. The attachment screws into the body 1 at 5 and its coned end 10 seats on an internal shoulder 8. The enlargement 12 has a flange 20 which may be provided with means such as a screwdriver slot or flats or projections for screwing and unscrewing the fitment. A cap 23 having a washer 25 screws on the reduced end of the body 1 and has at its outer end a recess 24 which, when the cap is removed, is adapted to co-operate with flats on the flange 20. The body 1 has a dust cover 26. Before inflation, the end 10 is raised from its seating and during inflation, the valve 17 acts as a non-return valve. The end 10 is then screwed down on to its seating 8 and further sealing is provided by the valve 17 and the cap 23. The entire construction may be made of ebonite.
Patent GB-1529782-A (GB)
Title: Disubstituted derivatives of piperazine a method of preparation of the said derivatives and therapeutic applications thereof
IPC: C07D295/108
Filed: 1977-03-29
Abstract: 1529782 1 - [Diphenylmethyl(alkyl or oxyalkyl)] - 4 - (p - fluorobenzoylalkyl)piperazines UNIVERSITE D'ORLEANS LABORATIORES SAUBA A BUZAS and J M MELON 29 March 1977 [6 May 1976] 13173/77 Heading C2C The invention provides the title ketones and the corresponding carbinols. They are stated to have antiemetic and spasmolytic activity.
Patent GB-1357119-A (GB)
Title: Manufacture of electrodes
IPC: H01J9/04
Filed: 1971-05-05
Abstract: 1357119 Cathode materials and processing SMOLENSKY ELEKTROLAMPOVY ZAVOD 5 May 1971 13176/71 Heading H1D A cathode is prepared by coating its substrate with material containing an alkaline earth metal and heating at 1350-1450‹ C. in an ionized hydrogen containing atmosphere. A W-coiled coil substrate is coated with a mixed carbonate of Ba, Sr and Ca with ZrO 2  added using a binder of collodion cotton. The substrate is moved by a step-by-step conveyer into a reducing zone at 1350-1450‹ C. and second and third cooler zones of an air-hydrogen flame staying in each zone for 3-4 seconds.
Patent GB-579052-A (GB)
Title: A process for the manufacture of hard metal products
IPC: C22C1/05
Filed: 1942-09-18
Abstract: 579,052. Alloys; cementation. PRODUCTION TOOL ALLOY CO., Ltd., and SHUTE, D. H. Sept. 18, 1942, No. 13177. [Classes 72 and 82 (i)] Articles composed of one or more carbides of tungsten, titanium, molybdenum, or tantalum and a binder metal consisting of one or more of the metals cobalt, nickel, iron, and tungsten are made by heating a compacted mass of the carbides and binder metal in contact with a further quantity of one or more of the binder metals so that such metal is caused to diffuse into the mass, the rate of diffusion being varied by adjusting the surface condition of the tungsten &c. by slight oxidation during or after its carburization, or by the addition of an amorphous oxide such as of tungsten, tantalum, or thorium, or by nitrogenization. The oxidation may be effected by heating the carbide in an oxidizing atmosphere or by carrying out the ball milling in the presence of distilled water. The further quantity of cobalt &c. is preferably in the form of powder, but it may be deposited electrolytically or from a solution of an oxalate or other compound. The compacted mass may be placed on a layer of cobalt powder in a carbon boat and passed through a furnace in a hydrogen atmosphere.
Patent GB-230676-A (GB)
Title: An improved method of refining tin and other metals
IPC: C22B9/05
Filed: 1923-12-20
Abstract: 230,676. Jackson, J. E. Evans-, (Stroman, M.). Dec. 20, 1923. Dry processes of refining tin and other metals. -Tin and other metals of comparatively low melting-point are refined by subjecting the molten metal alternately to the action of air and combustible gas preheated to such a temperature as to maintain the metal molten. The metal is treated in a converter a fitted with one or more perforated pipes d' connected to hollow trunnions b<1> to which preheated air and gas are supplied from pipes g, h connected to the air and gas chambers of a furnace or to other supplies having the necessary temperature, a reversing valve f and blower e being provided. Specification 5877/01 is referred to.
Patent GB-581466-A (GB)
Title: Clutch tap and die holder
IPC: B23G5/00
Filed: 1944-07-11
Abstract: 581,466. Attachments for screwing and tapping. WARNER & SWASEY CO. July 11, 1944, No. 13262. Convention date, July 14, 1943. [Class 83 (iii)] A tap and die holder has the clutch elements so mounted that the edges that determine the moment of disengagement do not come into further engagement during the subsequent relative rotation of the unclutched parts. The mounting is such that the holder can be easily set up for either right- or left-hand threads. The tap or die is held in a recess 26 in the part 11 that fits a circular opening in the part 10 and has a shank 28 fitting a reduced portion of the bore of the shank 12 of the part 10 by which the holder is held in a lathe turret &c. The parts 10, 11 have relative axial movement as limited in one direction by contact of end walls 13, 27 and in the other by a washer 29. The circular - opening is -eccentrically located in the part 10 and in the thicker wall a slot 17 receives a clutch block 18 swinging about a cross-pin and formed with two bevelled abutment surfaces 20 at each end. A cross-bore 21 extends entirely across the part 10 intersecting the slot 17 and a screw, spring and plunger 23 can be located in either end according to the hand of thread to be cut. A cross-bore in the part 11 receives the other clutch member 31 slotted at 32 to straddle a pin 33'to prevent rotation, and hollow to contain a spring 34 and headed plunger 35 bearing against the pin. Opposed flats 36, 37 provide abutment surfaces of' unequal length and bevel surfaces 38 coact with a conical surface 15. Fig. 3 shows the parts in position during the cutting of a righthand thread. When the turret &c. feed ceases, the engagement between the work and tap compels the part 11 to continue to advance and the member 31 is cammed inwards, disengaging the abutting surfaces 36, 20. The cam surface 39 now depresses the member 31 to enable it to pass under the member 18, leaving the part 11 free to rotate with the work. The spring plunger 23 swings the member 18 over to the other side of the slot and carries the limiting edge of the surface 20 out. of the path of the coacting edge of the surface 36. On reversal. of the rotation of the work, the. longer surface 37 engages the surface 20 on the opposite side of the member 18 and the tap is. backed out of the work when the spring 34 resets the parts. To set the holder for left-hand threads, the washer 29 is removed, enabling the part 11 to be withdrawn sufficiently beneath the clutch member 31 to be disengaged from the pin 33 and given a half rotation, after which the parts are replaced. The plunger 23 with its spring and screw is changed over to the opposite side of the member 18, which is made double-ended to permit reversal when worn.
Patent GB-402670-A (GB)
Title: Improvements in exhaust silencers for internal-combustion engines
IPC: F01N1/12
Filed: 1933-05-08
Abstract: 402,670. Exhaust-silencers. ERNST, J., 11, Koblenzerstrasse, Siegen, Germany. May 8, 1933, No. 13380. Convention date, May 11, 1932. [Class 7 (ii).] A silencer having a single or multiple thread spiral wire brush i fitted therein is provided with a chamber c at the inlet end separated from the chamber b containing the spiral by a disc d formed with an opening d<1> preferably narrower than the inlet aperture x of the silencer, and the tubes b, c are formed with slots e, f communicating with the annular space between the tubes and the outside casing a. The stem h of the wire brush i may be held in place by a bolt k, by removing which the parts may be dismantled to facilitate cleaning.
Patent GB-150396-A (GB)
Title: An improved liquid fuel burner
IPC: F23D11/10
Filed: 1919-05-27
Abstract: 150,396. Mungall, J. May 27,1919. Spray burners.-A liquidfuel burner is provided with inter - engaging rotatable members through which oil and atomizing-fluid pass to a nozzle and are controlled or shut off entirely by rotary movement of the members. A casing 1 has inlets 2, 4 for oil and steam or air which communicate by grooves 6, 7 with ports 8, 9 respectively formed in a sleeve 10. Within the sleeve two concentric plugs are arranged; the outer plug 11 controls the flow of oil which passes through a passage 26 which may register with ports 8 on rotation of plug 11, and the inner plug 12 controls the steam or air which passes through passages 29, 28, 27 to mix with the oil in a central passage 25 before the mixture passes through an inner nozzle 31 to an outer nozzle 35 drawing in air through adjustable inlets 32. Springs 14, 20 press the outer and inner plugs into close contact with their seatings, and packing 18 serves to prevent the fluids from escaping. Handles 38, 41 having pointers 39, 43 registering on scales 40, 44 serve to rotate the plugs and regulate the flow of oil and atomizing- fluid. A cap may be provided to close the nozzle 31, and air or steam may be blown through the fuel inlet passages to clear away obstructions.
Patent GB-474984-A (GB)
Title: Improvements in slub regulating apparatus for use in the manufacture of slub yarns
IPC: D01H5/36
Filed: 1936-05-12
Abstract: 474,984. Roller - driving gear for producing slub yarn. TWEEDALES & SMALLEY (1920), Ltd., and LAYCOCK, S. May 12, 1936, No. 13386. [Class 120 (ii)] In roller-driving gear for producing irregularly spun yarn comprising a loosely mounted front roller wheel and a clutch operated by projections on the face of a slubbing wheel, such as described in Specification 415,099, the roller Q on the clutch gear P, I of the front roller wheel is provided with one or more longitudinal grooves R, Fig. 3, of such depth that the projections H from the slubbing wheel G may enter the groove R without actuating the clutch lever. The projections may be of varying shape and size, contact with the unbroken surface of the bowl causing operation of the clutch gear and partial rotation of the roller Q. Continued rotation of the roller brings the grooves into relation with a projection so that the clutch is not operated, and the formation of a slub is suspended until following projections engage the unbroken surface.