baber/WOPTO huggingface dataset:
Patent GB-1415794-A (GB)
Title: Spinning of synthetic staple fibre yarns op
IPC: D06M101/16
Filed: 1973-01-26
Abstract: 1415794 Textile lubricants TEIJIN Ltd 26 Jan 1973 [29 Jan 1972] 4170/73 Heading C5F A spinning oil consists essentially of (a) 10-40 wt. per cent aliphatic monolasic or dilasic acid ester of a monohydric or polyhydric alcohol; (b) 10-40 wt. per cent of a reaction product of 2 mols. C 8-22  fatty acid with 1 mol. polyethylene polyamine; (c) 10-30 wt. per cent antistatic agent; (d) 10-70 wt. per cent emulsifying agent. The polyamide (b) may be R 1 CONH(CH 2 CH 2 NH) n OCR 2  where R 1  and R 2  are C 7-21  hydrocarbyl, and n is 1 to 5. (c) may be a cationic quaternary ammonium surfactant, an amphoteric alkyl betaine surfactant or a polyoxyethylene-added alkylamine, and (d) may be a non-ionic surfactant. In examples, (a) is butyl stearate, isopropyl palmitate, oleyl laurate trimethylolpropane tridecanoate or dioctyl adipate, (b) is the reaction product of diethylene triamine with lauric palmitic or stearic acid, (c) is oleyl dimethyl ethyl ammonium methosulphate and (d) is polyethylene glycol stearate or palmitate. The oil may be applied as a 0À5-5 wt. per cent aqueous emulsion. Conventional additives such as rust proof agents, antioxidants, antiseptic agents and emulsion stabilizers may be present.
Patent GB-1448677-A (GB)
Title: Beds
IPC: A61G7/015
Filed: 1973-01-26
Abstract: 1448677 Invalid beds PIONEER WELDING CO Ltd 28 Jan 1974 [26 Jan 1973] 4226/73 Heading A4J An invalid bed comprises a main frame 10 on which three mattress support sections 12, 13, 15  are adjustably mounted, the head-section 12 being pivoted to the main frame and being provided with a guideway 16a engaged by a roller 23 mounted on one arm 22 of a lever which is pivoted to the main frame and has its other arm connected to one arm 24 of a second lever which supports the central section 13. The second lever is pivotally connected to the third section and is provided with a roller 27 engaging a guideway 28 in the main frame. An L-shaped member 30 which has one end pivoted to the arm 22 is slidably mounted in the main frame such that movement of the member 30 alters the inclination of the head-section together with change in disposition of the foot and central sections as a result of their connection to the second lever and the inter-connection of the second lever with the first. The central section comprises two sections mounted side by side and moveable away from each other in channels 42 provided between the arms 24 on each side of the bed. A bed-pan may be provided on a platform which rests on the frame supports 18 of the central section.
Patent GB-673220-A (GB)
Title: Improvements in or relating to the separation of para xylene by crystallization
IPC: C07C7/14
Filed: 1950-02-21
Abstract: Para-xylene is separated from a hydrocarbon mixture, e.g. of xylenes and ethylbenzene, by crystallizing para-xylene from the mixture by contact with cold walls in a scraped surface chilling zone at a temperature between -40 DEG C and -90 DEG C, <PICT:0673220/III/1> <PICT:0673220/III/2> removing the para-xylene crystals from the cold walls by slow scraping, e.g. 5-20, preferably 5-10, scrapes per minute, holding the crystals in an agitated remaining portion of the liquid mixture for further growth, and separating the grown crystals from the resultant mother liquor.  The crystals may be washed with a substantially immiscible solvent.  As described the liquid feed, e.g. an aromatic hydrocarbon fraction boiling in the range 130-160 DEG C, is pumped through heat exchanger 2 to a scraped surface chiller 4 cooled to about -60 DEG C, the temperature depending on the composition of the feed.  Slurry from chiller 4 flows to a refrigerated holding tank 6 with agitator 3 for crystal growth, the final crystals and mother liquor being discharged continuously or intermittently by line 7 to separator 8, Fig. 2, which may be a centrifuge, filter press &c.  Alternatively part only of the feed may pass through chiller 4, the remainder being supercooled at 41 and 42 and passed direct to holding tank 6.  In another arrangement the tank 6 is dispensed with and chiller 4 used as a holding tank.  The crystals are preferably allowed to grow for at least 30 minutes. Filtrate from separator 8 passes along line 33 and heat exchanger 2 to storage.  The filter cake is washed with water and a polar oxygen-containing organic compound e.g. methanol, acetone, dioxane, from line 9, the spent wash going to settler 11 and the filter cake to melter 24.  The melted para-xylene is scrubbed with water from line 27 in mixer 26 to remove wash liquid which is retained in the aqueous layer in settler 28 from which para-xylene goes to storage and the aqueous layer to stripping tower 20 to recover the organic component part of which returns to the tower as reflux and the remainder as make-up to line 9.  From settler 11 wash liquid (the upper phase) is returned to line 9 and the hydrocarbon phase, after scrubbing with water in mixer 14, flows to settler 16 from which the hydrocarbon phase is returned by line 17 to the feed line 1 and the aqueous phase to stripping tower 20.  The use of miscible hydrocarbon wash liquids is also referred to.  U.S.A. Specification 1,940,065 is referred to.
Patent GB-671653-A (GB)
Title: Improvements in vehicle suspension means
IPC: B60G11/22
Filed: 1948-02-16
Abstract: 671,653. Universal joints. BRANDT, C. E. J. Feb. 16, 1948 [Feb. 17, 1947; Jan. 28, 1948], Nos. 4515/48 and 4516/48. Class 80 (ii). [Also in Group XXXII] The invention relates to road vehicle suspension means (see Group XXXII), but according to the Specification as open to inspection under Sect. 91 a shaft coupling may comprise a housing 94 rigid with one shaft 95, and resilient blocks 93 interposed between recesses in the housing 94 and recesses in a member rigid with the other shaft 100. The pre-compression of the blocks is adjusted by means of a plate 96, studs 98, and nuts 97. This subject-matter does not appear in the Specification as accepted.
Patent GB-256135-A (GB)
Title: Improvements in means for the hydraulic transmission of power or for use as a brake
IPC: F16D31/06
Filed: 1926-03-09
Abstract: 256,135. Geddes, J. March 9, 1926. Energy-absorbing elements.-In brakes or apparatus for the hydraulic transmission of power, of the kind in which an annular liquid chamber is provided between inner and outer members the inner member being provided with cam-operated vanes and the outer with controlling valves, the valves 6, Figs. 1 and 2, are disposed in blocks a held in recesses in a ring C disposed between en( plates A, B. Each valve consists of a slottec cylinder closed at one end and engaged by a spindle 10, and a spring 8 presses a conical par of the spindle against a seat 9. The spindles are geared to quadrants 29<a> on a sleeve 29, providec with slots 30, 30<a>, Fig. 3, engaged by pins which may be moved by connections with a lever 36 Filling and relief valves 26, 27 are provided and leakage may be returned through a hollow shaft For use as a brake either the outer or the inner member is stationary.
Patent GB-546940-A (GB)
Title: Improvements in or relating to condensers
IPC: F28B1/02
Filed: 1941-04-07
Abstract: 546,940. Zirconium articles. PHILIPS LAMPS, Ltd. (Foote Mineral Co.). April 7, 1941, No. 4639. [A Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 9, 1941.] Drawings to Specification. [Class 83 (ii)] [Also in Group XIII] In a condenser, the walls in contact with the vapour are formed of or are coated with zirconium to promote a drop-wise condensation.
Patent GB-271152-A (GB)
Title: Improvements in and relating to floor cleaning and washing apparatus
IPC: A47L11/30
Filed: 1926-02-18
Abstract: 271,152. Breton, P. Feb. 18. 1926. Floors, cleaning. - Liquid from a container 1, Fig. 1, is delivered between the bristles of a brush 36 on to the surface under treatment and is subsequently collected, by means of suction, in the container, which is provided with filtering means so that the liquid can be used repeatedly. Filtering material d, for example wadding, is provided in a chamber a, the top of which is perforated while the bottom has an aperture receiving a manually-operated needle valve h. A suction orifice 34, the end of which is raised from the ground by a squeegee 12 or by a brush, leads to an intermediate chamber or collector 33 communicating with a tube 4 provided at the top with a baffle 5. The top of the container 1 is provided with a tube 2 for connection to a source of action. In the construction shown in Figs. 5 and 6, the container 1 has a circular opening in which is secured a member m formed with holes to receive a needle valve o and a delivery tube n. These holes communicate with a passage closed by a disc d of filtering material such as felt, which is kept in place by a plug q. The plug and the member m are perforated to permit liquid from the con. tainer to reach the disc d.
Patent GB-536707-A (GB)
Title: Improvements relating to electricity meters
IPC: G01R11/10
Filed: 1940-03-13
Abstract: 536,707. Supply meters. MEASUREMENT, Ltd., and CLIFFORD, C. F. March 13, 1940, No. 4717. [Class 37] [Also in Group XXXV] The brake magnet system comprises a permanent magnet in the form of two pole pieces a, b interconnected by a bridge piece c, Fig. 6, the magnet being secured at a midposition to a member f constituting the return path for the magnetic flux and havng an end opposite each pole face so that two parallel magnetic circuits are formed in the member f. The magnet is secured by two screws h passing through a plate i in the gap over the bridging piece c, the screws being located in gaps e, e<1>, at the opposite sides of the bridging piece. Adjustment of the braking flux is effected by nuts k and locknuts m of magnetic material carried on screws j. These screws may alternatively be vertical, in which case they form part of the magnetic shunts. The rotor spindle n may be carried in bearings o capable of axial movement to permit withdrawal of the rotor without disturbing the magnet assembly.
Patent GB-1203736-A (GB)
Title: De-reeler device
IPC: B65H59/06
Filed: 1969-01-28
Abstract: 1,203,736. Unreeling filamentary material. AMP Inc. 28 Jan., 1969 [19 Feb., 1968], No. 4741/69. Heading D1J. A flyer arm 19 carries a hinged lever 24 that overlaps a drum periphery 32, the cord 9 to be unwound passing through an eye 28 on the lever 24 to cause the lever 24 to pivot in response to varying cord tension and so control the effect of a brake 8 on the speed of the arm 19. A brake operating member 26 connects the lever 24 with the brake 8. The eye 28 is biassed away from the drum by a spring 25. The setting of the eye 28 is adjustable on a screw thread. The arrangement is stated to be such that the draw-off force of the cord 9 on the lever 24 releases the brake 8 and the centrifugal force on the lever 24 applies the brake.
Patent GB-201861-A (GB)
Title: Improvement in paving blocks
IPC: E01C5/22
Filed: 1923-02-19
Abstract: 201,861. Clark, E. Feb. 19, 1923. Paving blocks to be set in a concrete foundation consist of a cast-iron skeleton base with apertures 2, 3 in the sides and ends, and a rubber top 7, the lower face 6 of which is hard rubber and is keyed in apertures 4. A suitable composition for the rubber top consists of 25 per cent rubber, 12¢ per cent sulphur, about 20 per cent ground cork, and the remainder fillers.
Patent GB-999240-A (GB)
Title: Improved magnetic recording media
IPC: C08J7/043
Filed: 1964-02-05
Abstract: 999,240. Magnetic structures. AMPEX CORPORATION. Feb. 5, 1964 [March 8, 1963], No. 4918/64. Heading H1H. A coating material for magnetic recording tapes which adheres well to polyolefin tape bases e.g. polypropylene bases comprises a copolymer of styrene and butadiene, a melamine resin and a polyamide. The material may be the actual carrier for the magnetic particles of the recording tape, or it may be a sub-coating to which a conventional magnetic coating is applied in which case it may be cured prior to or with the latter. Furthermore the subcoating may also contain magnetic particles and have a different characteristic. The first component of the coating is a copolymer of styrene or substituted styrene (20-80 parts) with butadiene, isoprene, acrylonitrile, or chloroprene (80-20 parts), and can be modified by hydroxyl, ketonic or acidic substituents. The second component is a melamine or urea condensation product with formaldehyde having an acid number of 0-15. The third component is a poly-fatty acid amide. The three components are present in proportions by weight 25-70%, 5-20%, 15-70%, respectively. The three components are mixed with a solvent such as toluene, xylene, tetrahydrofuran, and methyl ethyl ketone. Magnetic pigment, if included, comprises 65 to 90% of the whole. A pigmented coating has a thickness of 0À2-0À5 mils; a subcoating is 0À005-0À1 mils thick. A conventional magnetic top coating disclosed comprises vinylidene chloride polymer, a copolymer of vinyl acetate and vinyl chloride and aciculol Fe 2 O 3 .
Patent GB-726909-A (GB)
Title: Improvements in or relating to the manufacture of turbine and like blades
Inventor: MORA GRATO
IPC: B21K3/04
Filed: 1952-02-25
Abstract: 726,909. Making turbine blades. OMES, Ltd. Jan. 15, 1953 [Feb. 25, 1952], No. 4919/52. Addition to 569,514. Class 83 (2). A modification of the invention claimed in the parent Specification comprises a method of making a turbine or compressor blade from aerofoil section stock whose cross-section approximates to the section of the finished blade but is narrower and thicker, by upsetting a head on the stock in an electrical upsetting machine, reheating the entire blade and die-pressing both the blade portion 22 and the head 23 to the required form. The die may also impart blade twist and form locating lugs 24, 125 for use in any subsequent machining operations after which the lugs are removed. The blade may finally be electro-polished. Preferably the blade is made of aluminium bronze or stainless steel.
Patent GB-1501363-A (GB)
Title: Textile fibre combing
IPC: D01G19/08
Filed: 1976-02-09
Abstract: The device has a rail (1) and an endless chain (2). The chain (2) is arranged in the rail (1) and serves as an anchoring member for a combing unit. In order to increase the number of operations which can be carried out in a single revolution, the rail (1) can be composed of at least two straight parts and the width of the device can thus be increased.   <IMAGE>
Patent GB-1519092-A (GB)
Title: Voltage controlled oscillator circuit
IPC: H03K7/06
Filed: 1976-02-09
Abstract: 1519092 Voltage controlled oscillators WESTINGHOUSE AIR BRAKE CO 9 Feb 1976 [10 Feb 1975] 4999/76 Heading H3T A voltage controlled pulse oscillator having, for small input voltages, a dead zone in which it does not oscillate is made from an operational ampli-fier IC and a solid state output amplifier Q. For small inputs, the output of amplifier IC is at about B + and feedback over R4 holds the non-inverting input at about + 1 volt. Transistor Q is off and the output at T2 is low. If an input voltage of more than 1 volt negative is applied to T1, amplifier IC switches to a B - output at 6, turning transistor Q on and bringing the output at T2 to a high level. Once Q has turned on, the potential on NI rises at a rate determined by the time constant R10 Cl and the negative potential on I decays at a rate determined by the time constant R2 C2. When these potentials are equal the output at 6 returns to B + turning off Q. So long as the input is above 1 volt, the circuit continues to oscillate in this manner with a frequency proportional to the input voltage.
Patent GB-547607-A (GB)
Title: Improvements in and relating to air cleaners
IPC: F02M35/024
Filed: 1941-04-17
Abstract: 547,607. Cleaning air. TALBOYS MANUFACTURING CO., Ltd., and SMITH, C. G. April 17, 1941, No. 5009. [Class 8 (ii)] Dust is removed from air by causing it to pass radially inwards or outwards through gapped circular or polygonal baffles 32 of oilabsorbing material on which it impinges. The oil may be fed to the baffles by wicks extending through holes in a plate 33 covering the oil reservoir ; or pressure of the entering air may force oil from the reservoir. Outlet holes may be formed in the cylindrical outer casing by pressing tongues out of the material.. Alternatively an air inlet is formed in the cover 11 leading inwards to the axis, and an air outlet passage is provided between the outer casing and the body of the filter and base of the oil reservoir.
Patent GB-329324-A (GB)
Title: Improvements in or relating to the electrolytic deposition of heavy metals
IPC: C25D3/02
Filed: 1929-02-14
Abstract: 329,324. Schl÷tter, M. Nov. 9, 1928, [Convention date]. Copper, lead, and other metals, depositing.- In the deposition of heavy metals an electrolyte containing salts of one or more inorganic acids and in addition salts of one or more non- carboxylic acids other than phenols is employed. The electrolyte may also contain colloids such as glue and gelatine and substances of high capillarity such as phenol, tannin, pyridine and higher alcohols. A lead bath contains 200 gms. lead para-benzene-disulphate, 100 gms. lead perchlorate and 1 litre of water. A copper bath contains 200 gms. copper para-benzene-disulphonate, 100 gms. copper sulphate, 5 gms. gelatine, 5 gms. tannin, and 10 gms. para-benzene-disulphonic acid to 1 litre of water.
Patent GB-944842-A (GB)
Title: Process for the manufacture of esters of halogen-pregnanes
IPC: C07J75/00
Filed: 1960-02-12
Abstract: The invention comprises: (1) a process for the preparation of D 4-3, 20-dioxo-17a -acyloxy-16a -methyl-6a -fluoro or -chloro-pregnenes and their 1,2-dehydro derivatives, wherein a D 5, 17(20)-3b , 20-diacyloxy-16a -methyl-pregnadiene is oxidized with a peracid, the acyloxy groups are hydrolysed, in a resulting 3b , 17a -dihydroxy-5a , 6a -oxido-16a -methyl-pregnan-20-one, before or after the oxidation of the 3-hydroxyl group to the 3-keto group, the 5a , 6a -oxido group is opened to form the 5a -hydroxy-6b -fluoro-or-chlorohydrin, the 5a -hydroxyl group is eliminated to form the 4, 5-double bond, any 6b -fluoro or -chloro compound is isomerized to the 6a -compound, at any desired stage of the process following the oxidation in the 3-position, the 17a -hydroxyl group is esterified, and, if desired, the 1, 2-double bond is introduced; and (2) as new compounds, 3b -acyloxy-5a , 6b , 17a -trihydroxy-16a -methyl-pregnan-20-ones and 6-esters thereof with sulphonic acids.  In a modification of the process the isomeric mixture of the 5,6:17,20-dioxido-3b , 20-diacyloxy-16a -methyl-pregnanes obtained after the oxidation with the peracid is treated with a mineral acid (with or without a previous treatment with an alkali and an acylating agent to give a 5, 6-oxido-3b -acyloxy-17a -hydroxy -16a -methyl-pregnan-20-one), the 6-hydroxyl group in the resulting 3b -acyloxy-5a , 6b , 17a -trihydroxy-16a -methyl-pregnan-20-one is esterified with a sulphonic acid, and the resulting ester is hydrolysed with an alkaline agent to form 5a ,6a -oxido-3b , 17a -dihydroxy-16a -methyl-pregnan-20-one. The halohydrins may be formed by reaction with a hydrohalic acid, pyridine or collidine hydrochloride or borontrifluoride etherate, and water eliminated by treatment with a base or an acid.  Under suitable reaction conditions these processes and the isomerization may be effected in a single step, or the isomerization may be effected with hydrogen chloride in acetic acid. The 1, 2-double bond may be introduced with a selenium compound or microbiologically. Detailed examples are given. Specifications 933,958 and 944,841 are referred to.
Patent GB-734223-A (GB)
Title: An improvements in or relating to epicyclic gears
Inventor: SYKES ARTHUR
IPC: F16H1/28
Filed: 1953-02-25
Abstract: 734,223. Epicyclic toothed gearing. BROWN & SONS (HUDDERSFIELD), Ltd., D. Feb. 23, 1954 [Feb. 25, 1953], No. 5221/53. Class 80(1). In order to equalize the load distribution between the planets of an epicyclic gear train comprising a driving sun a and a driven carrier d, the reaction annulus f is supported by a resilient sleeve h secured to the gear casing. The sleeve shown has rigid end flanges h<SP>1</SP>, h<SP>2</SP> interconnected by a portion whose flexibility is increased by spaced slots. According to the Provisional Specification the end flanges may be connected by a series of parallel flexible strips.
Patent GB-343314-A (GB)
Title: Process and apparatus for treating scraps of skins and leather
IPC: D06N3/00
Filed: 1930-02-17
Abstract: 343,314. Pulping scraps of skins and leather. ENGEL, A., 3, Piazza Dante, Bergamo, Italy. Feb. 17, 1930, No. 5263. Convention date, Sept. 11, 1929. [Class 96.] A process for the preparation of a paste or pulp from the clippings and scraps of old and new leather and skins is conducted as a continuous operation from the introduction of the dried raw material to the delivery of the fully prepared paste. The material is treated with suitable liquids successively in a series of receptacles such as I-VI each of which is followed by a disintegrating machine M<1>-M<6> of the kind described in Specification 342,913, pumps H<1> driven by electro-motors I<1> and pipes L<1> serving to transfer the material from the receptaces to the disintegrators, and from these it may be sent forward in the process or backward to the previous receptacle as desired by pipes El, F1 provided with valves. The disintegrators are adjusted for successively finer disintegration and the last machines are used to mix the paste with additional substances such as colouring materials
Patent GB-116487-A (GB)
Title: Improvements in Crushing Machines.
Inventor: DYER CHARLES HENRY
IPC: B02C13/00
Filed: 1918-03-26
Abstract: 116,487. Dyer, C. H., and Garner, A. E. March 26, 1918. Roller-and-breast mills; cracking nuts.- In a machine for crushing nuts, coke, &c., the nuts &c. are crushed between a breast p and the peripheries of segments d<1> - - d<4> on a shaft a or other rotary member, the segments being of graded radii and being spaced apart to permit of the removal of the crushed nuts from the breast, during the operation of the machine, by an axial current of air. The segments work in a casing f provided with a discharge shoot n and with openings arranged opposite a fan l, which is driven from the shaft a. The breast is supported by springs h, and may be provided with a corrugated face. The breast or the face may be made of nickel steel. The segments may be made of cast iron faced with steel. Nuts are fed into the space between the longest segment d<1> and the shortest segment d<4> each time the segment d<1> passes the mouth of a hopper o. The nuts are carried round towards the breast by the segment d<4>, the largest nuts being crushed by the shortest segment, and so on. The shaft a is provided with a fly-wheel k, and is geared to a shaft which may be driven by a hand-wheel i or by power.
Patent GB-539936-A (GB)
Title: Improvements in the tracks of track-laying or endless track vehicles
IPC: B62D55/20
Filed: 1940-03-23
Abstract: 539,936. Endless tracks for vehicles. ALLEY, S. E., and ALLEY, S. E. March 23, 1940, No. 5355. [Class 79 (i)] In an endless track comprising shoes 17 carried by the channel-shaped links 10 of a chain, the chain is not continuous but has one or more composite links each formed in two portions 22, 25 or 28, 31, each of these portions carrying one link pivot and being secured together by being attached to the same shoe. In the construction shown alternate links are composite. The shoes 17 are channel shaped with side flanges 18 and ground-engaging flanges 21, and are secured to the single links 10 by bolts 16 and to the composite links by bolts 36, 37. The link 10 is of channel shape with side flanges 11, 12 to which are welded bushes 13, 14 engaged by sprocket wheels 15. The composite links are also of channel shape with side flanges 23, 29 to which are welded pivot pins 38 passing through the bushes 13, 14. With the track thus formed, if any shoe is damaged or worn it can be readily replaced by removing the bolts by which it is connected to its chain link, and a chain link or a pivotal connection can similarly be replaced by removing the appropriate bolts without the troublesome operation of detaching the pivot pins.