baber/WOPTO huggingface dataset:
Patent GB-1118399-A (GB)
Title: Improvements in catch apparatus for the cages of scaffold elevators and the like
Inventor: SVENSSON TORBJORN
IPC: B66B5/04
Filed: 1967-04-25
Abstract: 1,118,399. Brakes. ALIMAK-VERKEN A.B. 25 April, 1967, No. 18912/67. Heading F2E. [Also in Division B8] A centrifugal brake, mounted on a hoist cage to prevent over-speeding of the cage, is provided with a gear wheel 11 which engages a rack on the hoist mast. When the cage attains a predetermined speed, pawls, Fig. 3 (not shown), which are mounted on pivots 16 on a member 18 secured to the gear wheel shaft 12, pivot outwardly against the action of a spring and engage projections on a drum 20. The drum then rotates in a casing 15 causing a screw sleeve 37 to move axially along a screw shaft 23 secured to the drum. This axial movement of the sleeve compresses a spring 22 and causes the drum to move axially into engagement with a removable brake shoe 34. Movement of the sleeve 37 causes a pin 25 to actuate a switch 24 to cut out the hoist drive motor which is mounted on the cage and which drives a gear-wheel engaging the rack on the mast. In a second embodiment, Figs. 6, 7 (not shown), the brake acts for both directions of rotation of the gear wheel 11. In a modification, Figs. 8, 9 (not shown), the gear-wheel on the brake shaft 12 meshes with two further gear-wheels which engage the rack.
Patent GB-1533537-A (GB)
Title: Lipase preparation
IPC: C12N9/94
Filed: 1977-05-05
Abstract: 1533537 Enzyme preparations A NATTERMANN & CIE GmbH 5 May 1977 [7 May 1976 15 April 1977] 18930/77 Heading C3H In a process of manufacturing enzyme preparations rich in lipase from pancreas tissue, the comminuted pancreas tissue is mixed in an organic solvent mixture consisting of 80-95 volume per cent of halogenated hydrocarbon, whose boiling point at normal pressure is from 47‹ to 130‹ C. and whose density amounts to at least 1À3 or aliphatic and/or aromatic hydrocarbon whose boiling point at normal pressure is from 47‹ to 130‹ C. and whose density is from 0À655 to 0À88, together with 5-20 volume per cent of an alcohol having 4-6 C atoms which is substantially immiscible with water or a mixture of said alcohol and acetone, the solvent mixture is allowed to exert its effect on the tissue at at least 10‹ C., the obtained tissue-water containing emulsion phase is separated from the other phase or phases and a dry enzyme-preparation is obtained from said emulsion phase. Preferably the organic solvent mixture consists of a halogenated hydrocarbon and the alcohol or the alcohol acetone mixture, and is allowed to exert its effect on the tissue for 12-40 hours at 15‹ to 20‹ C. After about 12-15 hour action of the solvent mixture, the lower fat-containing solvent phase may be removed and fresh solvent mixture is added again, then the material is stirred for about 1 hour at 20-35‹ C., and is then allowed to settle prior to the processing of the central emulsion phase.
Patent GB-121779-A (GB)
Title: Improvements in and connected with Combined Detachable Wheel Rims and Pneumatic Tyres.
Inventor: ORMSBY WILLIAM
IPC: B60B25/16
Filed: 1917-12-21
Abstract: 121,779. Ormsby, W. Dec. 21, 1917. Detachable-rim attachments to wheels.-A detachable-rim 4 is secured over the flanged fixed rim 2 by means of a detachable flange A, Figs. 1, 2, and 5, or separate segments A<1>, Figs. 7 and 8, the flange or segments being operated by a circumferentially-movable locking-ring B. In the form shown in Figs. 1, 2, and 5, the ring B, recessed into the felloe C and secured laterally behind a rib 8 on the rim 2, carries pins 12 (fitted with rollers) adapted to engage inclined slots 13 in the lateral web of the flange A. Rollers 10 may be fitted to facilitate movement of the ring B; and, to prevent circumferential movement of the flange, guide-pins 14 may be arranged to engage lateral slots 15 in the flange. The adjustment of the ring B may be effected by a bolt 17 pivoted to a lug 19 on the ring and carrying a nut 39 between the jaws 21 of a bracket 22 secured to the felloe. In the modification shown in Figs. 7 and 8, the segments A' are fitted with eccentrics 20 each having a cranked pin 21, 23 (shown in detail in Fig. 16). A stud 31 on the arm 23 is arranged to engage an angled slot in the ring B, so that circumferential adjustment of the latter in either direction effects the corresponding radial displacement of the segments A'.
Patent GB-500547-A (GB)
Title: Polyhydric alcohol-polycarboxylic acid condensation products
IPC: C08L67/00
Filed: 1937-07-08
Abstract: 500,547. Polyhydric alcohol - polybasic acid condensation products. SAUNDERS, S. L. M., and PINCHIN, JOHNSON, & CO., Ltd. July 8, 1937, No. 19035. fCIasa 2 (iii)] Rapid-hardening compositions are produced by condensing a polyhydric alcohol with an unsaturated ' aliphatic polybasic acid or anhydride, and adding to the primary condensation product an oxygen-yielding polymerization catalyst (i.e. a substance such as an organic or inorganic peroxide). The reaction may be carried out at 150 to 200‹ C. in the presence of an inert gas or under reduced pressure. Mixtures of polyhydric alcohols or of polyhydric and monohydric alcohols may be used ; and part of the unsaturated acid may be replaced by a saturated polybasic acid, e.g. phthalic or succinic acid, provided the hardening time or temperature is not unduly increased. Specified ingredients are : alcohols-ethylene, or diethyleneglycol; acids-maleic, fumaric; catalyst-benzoyl peroxide. Driers, e.g. cobalt and manganese linoleates may also be added. The compositions may be used in coating or moulding compositions, or 'as binding agents for paper, cloth, asbestos, mica, cork, glass, and abrasive materials. In examples: (1) maleic anhydride is condensed with ethylene glycol in carbon dioxide, and benzoyl peroxide added ; (2) maleic anhydride, naphthalene-2- sulphonic acid, and diethyleneglycol are condensed and benzoyl peroxide added; (3) maleic anhydride, phthalic anhydride, and ethylene glycol are condensed in carbon dioxide, and benzoyl peroxide added. The Provisional Specification refers to the use as catalyst in the above compositions, of tri-ethyl lead acetate, and to preparing A-, B-, or C-stage polyhydric alcohol - unsaturated aliphatic polybasic acid resins, and their use in coating or impregnating compositions, or (with fillers) in moulding powders. There are also included examples in which (a) maleic anhydride is condensed with diethyleneglycol, and (b) maleic anhydride, phthalic anhydride, and diethyleneglycol are condensed in carbon dioxide, and the product dissolved in ethylalcohol and benzene with the addition of cobalt linoleate.
Patent GB-922014-A (GB)
Title: Method for the preparation of an alkylarylsulphonate
IPC: C07C309/28
Filed: 1960-05-30
Abstract: Alkylbenzene sulphonates are obtained by subjecting olefins which contain 4-7 carbon atoms and which have been obtained by cracking higher hydrocarbons, to dimerisation in the presence of an aluminium alkyl, reacting the dimers with aromatic compounds so as to form alkyl benzenes, sulphonating the alkyl benzenes, and neutralising the sulphonic acids so formed.  Sulphonates obtained by this process are readily degraded by bacterial action and thus do not give rise to foaming and other difficulties in effluents containing them.  In order to increase the water-solubility of the dimeralkylbenzene sulphonates, the olefins to be used may be mixed with a higher C8-C14 olefin, obtained by cracking a higher hydrocarbon, before the alkylation of the benzene, or the alkyl benzenes produced may be mixed with alkyl benzenes obtained by alkylation with such higher olefins before the sulphonation step, or the alkylbenzene sulphonates produced by the process of this invention may be mixed with alkylbenzene sulphonates obtained by alkylation with such higher olefins.  In an example a cracked benzene consisting mainly of hexene is heated for 2 hours at 200-220 DEG C. and 20-25 atmos. excess pressure in presence of aluminium tri-isobutyl to obtain a dimeric hexene.  The dimer is reacted at 70 DEG C. with benzene using aluminium chloride as catalyst and the monoalkylbenzene obtained is sulphonated with sulphuric acid at 60-65 DEG C.  The sulphonic acid so obtained is neutralised with caustic soda solution.  Common salt solution is added and the alkyl benzene sulphonate separates after cooling.
Patent GB-637163-A (GB)
Title: Improvements in or relating to means for preventing multiple firing of a critical breakdown device
IPC: H03K3/55
Filed: 1946-06-26
Abstract: 637,163. Pulse circuits. SPERRY PRODUCTS, Inc. June 26, 1946, No. 19098. Convention date, June 28, 1945. [Class 40 (vi)] A thyratron is prevented from refiring during the input signal by a feedback connection from the anode to grid which holds the grid negative for the duration of the signal. Capacitor 15, charged through resistor 12 from an A.C. supply 14, is discharged through thyratron 10 when a positive signal is applied to the grid during a half-cycle when the point B is positive. The thyratron is maintained non-conducting during the positive half-cycles by the anode current of valve 28 passing through resistor 29, the valve being rendered conducting by the A.C. supply over phase reversing transformer 27. A synchronizer 16 of the type described in Specification 637,164 synchronizes the power supply 14 with the triggering signal generator 17, a signal cutting off valve 28 to fire thyratron 10. When the thyratron fires, due to the feedback connection comprising capacitor 21 and resistor 22, the grid is driven negative tending to prevent the thyratron refiring.
Patent GB-651924-A (GB)
Title: Improvements in or relating to electric permanent hair waving appliances
IPC: A45D4/12
Filed: 1948-07-16
Abstract: 651,924. Thermal switches. GREIN. P. F. A. July 16, 1948, No. 19123. [Class 38(v)] A thermal switch  for the control of a hair waving appliance 5, has a differential-expansion type thermal element 1 which is heated by an auxiliary heater 4  at a rate having predetermined relation to the rate of heating of the appliance. A knob 2 with indicating pointer 6 is turned to close the switch contacts 3 and to select the required temperature. When the appliance 5, which may be a heater for hair curlers, has reached this temperature, the element 1 will have been heated sufficiently to open the contacts 3. The auxiliary heater 4 may be connected in series with the appliance 5 as shown, or alternatively in parallel with the appliance. An indicator lamp 8 may be provided and the switch may be disposed so that it also receives heat from the appliance 5.
Patent GB-349344-A (GB)
Title: Improvements in or relating to stone saws
IPC: B23D61/06
Filed: 1930-06-23
Abstract: 349,344. Stone-saws. PARKER ROTARY STONE SAW CO., Mills Building, San Francisco, HALL, J. A., 1425, North 51st Street, and NEWELL, W. L., Alaska Building, both in Seattle, Washing- ton, both in U.S.A. June 23, 1930, No. 19129. [Class 124.] The edge of the blade 6 of a circular stone saw is thinned and shaped to a number of tangential surfaces 8 with recesses 9 between them. Saw teeth 12 are riveted to these surfaces and are shaped as shown, the edges 15, 16 on the tooth being substantially parallel with a re-entrant curve 21. These edges provide a gullet between the teeth for the reception of shot &c., the saw rotating in the direction of the arrow. The edges of the teeth are forked for attachment to the blade and the ends of the grooves are curved at 19, 20 for strengthening.
Patent GB-812242-A (GB)
Title: Centripetal compressors and vacuum pumps, air bearings, and shaft seals
IPC: F16C32/06
Filed: 1957-06-18
Abstract: 812,242. Fluid bearings. TECHNION RESEARCH & DEVELOPMENT FOUNDATION Ltd., REINER, M., and POPPER, J. B. June 18, 1957 [June 29, 1956], No. 19209/57. Class 12 (1). [Also in Group XXVI] An air bearing for a shaft 31 comprises a conical rotor 29 separated from a corresponding conical recess in a stator 30 by a narrow gap, less than 0.5 mm. in width. Provided the circumferential velocity of the rotor divided by the width of the gap is not less than 106/second, the apparatus acts as a centripetal compressor whereby air is forced inwards through the gap towards a depression 32, forming a cushion of air in the gap. A similar rotor may be provided at the other end of the shaft. The conical surfaces may instead be frusto-conical, the closed depression 32 being replaced by an outlet whereby there is a continuous flow of air through the gap to cool the bearing. An auxiliary bearing may be provided to support the shaft at rest and at low speeds of rotation, and may be disengaged automatically when the shaft reaches full speed and the air cushion is established.
Patent GB-219494-A (GB)
Title: Improvements in gas or oil heated smelting furnaces
IPC: F27B3/00
Filed: 1923-07-27
Abstract: 219,494. Bõumert, P. July 27, 1923. No Patent granted (Sealing fee not paid). Reverberatory furnaces.-An oil or gas heated smelting furnace is formed with a flat horizontal roof, a fuel inlet port E arranged at a higher level than the waste gas outlet port A, and a hearth which slopes downwards from both ports to form a tapering space, in which materials of low melting-point collect and are protected from direct contact with the flame by materials of higher melting-point. Charging. - The different materials of the charge are laid in layers in order of fusibility as indicated by the dot and dash lines, and the charge is arranged to form a constricted combustion space a near the port E, and a portion b flaring rearwardly towards the port A.
Patent GB-458932-A (GB)
Title: Manufacture of amino-alcohols
IPC: C07C215/30
Filed: 1935-07-05
Abstract: Amino-alcohols of the formula <FORM:0458932/IV/1> wherein X represents hydrogen or alkyl and Y a benzyl radicle containing one or more etherified or esterified hydroxyl groups as substituents, are prepared by reducing the corresponding benzylaminoketones or by treating the appropriate non-benzylated amino-alcohols with benzyl halides containing etherified or esterified hydroxyl groups as substituents.  When a product contains a free hydrogen atom attached to nitrogen, it may be alkylated.  The products possess enhanced therapeutic properties. Examples are given of (1) the interaction of ephedrine with 3-methyl-6-methoxybenzyl chloride, 3 : 4-dimethoxybenzyl chloride, 3 : 4-methylenedihydroxybenzyl chloride, 3 : 4 - ethylenedihydroxybenzyl chloride, 3 - carbethoxy - 4 - methoxybenzyl chloride and m-ethoxybenzyl chloride respectively; (2) the reduction of 3-methyl-6-methoxybenzyl - methylaminopropiophenone with sodium and alcohol to the corresponding amino-alcohol. Specifications 318,488, [Class 2 (iii)], and 371,490 are referred to. The sample furnished under Sect. 2 (5) comprises the hydrochloride of 3-benzyloxy-4-methoxybenzyl-ephedrine prepared by heating ephedrine in benzene solution with 3-benzyloxy-4-methoxybenzyl chlorides, diluting with ether to separate the ephedrine hydrochloride, and adding hydrochloric acid to the filtrate.  The benzylaminoketones used as starting materials are obtained by treating a brominated ketone, e.g. bromopropiophenone, with the appropriate amine.  Thus, 3-methyl-6-methoxybenzyl - methylaminopropiophenone results from the interaction of bromopropiophenone with 3-methyl - 6 - methoxybenzylmethyl amine.  Benzyl halides.--3-Methyl-6-methoxybenzyl chloride is prepared by treating p-cresol methylether with formaldehyde and hydrochloric acid.  3 : 4-Ethylenedihydroxybenzyl chloride and m-ethoxybenzyl chloride are formed when the corresponding alcohol is reacted with thionyl chloride. 3-Carbethoxy-4-methoxybenzyl chloride is prepared by condensing 3 - hydroxy - 4 - methoxybenzyl alcohol with chloroformic acid ethyl ester in caustic soda solution and treating the product with thionyl chloride. 3-Benzyloxy-4-methoxybenzyl chloride is obtained by reacting 3-hydroxy-4-methoxybenzyl alcohol with benzyl chloride and treating the product with thionyl chloride.
Patent GB-1422338-A (GB)
IPC: D06F58/02
Filed: 1972-04-26
Abstract: 1422338 Clothes driers WILKINS & MITCHELL Ltd 26 April 1973 [26 April 1972] 19308/72 Heading F4G  A clothes drier comprises a drum 12 arranged to rotate within a cabinet 10 and having an access opening for loading the same, impeller means, e.g. a fan 37, for drawing air through the drum and heating means in the form of an annular electric element 19, about the access opening for heating the air prior to its entry into the drum 12, the arrangement being such that the heated air passes into the drum through the access opening. As shown, a door is provided on the cabinet in line with the access opening, a seal being provided for the door (Fig. 2, not shown). Air flowing out of the drum passes through a coarse filter element 42 whence it is deflected upwardly to pass through a lint filter element. 47 arranged adjacent the upper surface of the cabinet. The lint filter element 47 is arranged on a housing 44 which contains a deflector 45 for deflecting the air towards the element 47. Should the element become blocked apertures 53 are provided in the housing 44 for the escape of air. The heating element 19 or two heating elements (Fig. 2, not shown) is/are carried on bosses of an annular housing, further bosses on the housing supporting a bearing for the drum (Fig. 2, not shown). The drum 12 and fan 37 are driven by a motor 41, the belt to the drum being tensioned by a jockey pulley arrangement 50. The drum 12 is provided with internal ribs 51
Patent GB-1283983-A (GB)
Title: Transfer device for loading stranding machines
Inventor: GILL RONALD YAXLEY
IPC: D07B7/16
Filed: 1969-04-16
Abstract: 1283983 Loading stranding machines STANDARD TELEPHONES & CABLES Ltd 7 April 1970 [16 April 1969] 19336/69 Heading D1T Bobbins 19 are loaded from a storage rack 2 to a stranding machine by a transfer device movable parallel to the machine axis comprising elevatable platforms 22 on which run carriages 6 which bear a vertical spindle 21 and a gear wheel 10, by means of which a platform 11 can be rotated. The platform 11 carries a scoop 12 and a cylinder 12, the piston rod 16 of which carries a bar 15 and an arm 17 movable in a slot 18. When the scoop 12 approaches bobbin 19, piston rod 16 is retracted, and bar 15 moves downward to position 15a, lifting the bobbin from the rack onto the scoop to be carried to the stranding machine where the process is reversed, dropping the bobbin into position between a fixed pintle and a movable pintle which is arranged to be withdrawn by the approaching carriage 6. Various possible sequences of replacing empty bobbins are described, and may be controlled by punched tape, magnetic tape, or sequence switching.
Patent GB-1426599-A (GB)
Title: Self-tapping cylidrical inserts
IPC: F16B37/12
Filed: 1973-04-24
Abstract: 1426599 Making threaded inserts; self-tapping inserts H F COLE 9 April 1974 [24 April 1973] 19407/73 Headings B3A and B3N [Also in Division F2]  A self-tapping solid-walled cylindrical insert 10 for insertion in soft material is flat and free from slots at both ends and comprises a standard internal thread 14, to accept a standard screw or bolt, a coarser non-standard external thread 12 to bite into the soft material and resist withdrawal, and an externally unthreaded leadin portion 16. The threads 12, 14 may be of opposite or the same hand.  The insert can be made from a solid rod of a metal such as brass, mild steel, copper or aluminium or of plastics. A chaser thread is formed on the outside of the rod, then a dimple is drilled in one end and used to locate a drill and tap for forming the internal thread. The threaded part of the rod is then cut off and the rod manually or automatically advanced for a repeat operation. The insert can alternatively be made by pressure die casting, using powdered cast iron or plastics, or by centreless grinding or cold heading.
Patent GB-279572-A (GB)
Title: Spindle reversing motion for self actor mules & twiners
IPC: D01H3/06
Filed: 1926-08-06
Abstract: 279,572. Wolfenden, N. Aug. 6, 1926. Mules and twiners. - To facilitate changing from right hand to left hand twist the tin roller shaft A, which is divided, is driven, either directly through the clutch C. or through the chain E, clutch D, gears G and chain H. The clutches C, D are operated simultaneously in opposite senses by the handle F through a twoarmed lever to bring the change into operation.
Patent GB-951453-A (GB)
Title: Glycine compounds in turbine oils
IPC: C07D207/412
Filed: 1960-06-01
Abstract: A mineral lubricating oil contains a small amount, sufficient to prevent rusting of ferrous metal surfaces, of a glycine compound selected from the group consisting of: (1) an amic acid of an alkenyl succinic acid anhydride having from 8 to 35 carbon atoms in the alkenyl radical, and glycine; (2) amine mono- and di-salts of (1) wherein the salt-forming amine is a tert-alkyl primary amine having a tertiary carbon atom attached to the nitrogen atom and containing 6 to 30 carbon atoms per tert-alkyl radical; (3) a mono-amide of (1) wherein the amide-forming amine is a tert-alkyl primary amine as in (2), (4) an N-carboxymethyl-alkenylsuccinimide containing 8 to 35 carbon atoms in the alkenyl group; and (5) an amine salt of (4) with a tert-alkyl primary amine as in (2). Many specific examples of suitable substituted succinic anhydrides, and suitable amines, are given.  The amount of the additive may be from 0.001 to 10.0% by weight of the oil.
Patent GB-143178-A (GB)
Title: Apparatus for systematically drying and smoking fish and meat under pressure
IPC: A23B4/052
Filed: 1919-08-07
Abstract: 143,178. Laffillee, P. H. O. May 9. [Convention date]. Void [Published under Sect 91 of the Act]. Buildings and chambers.-An apparatus for drying and smoking fish, meat, sausages, tongues, &c. consists of one or more chambers a shown in plan in Fig. 2, having doors c, c<1> at opposite sides, and supplied by branch pipes d, d<2> at the lower edges with hot air from trunks d', d? or by branch pipes e, e<2> with smoke from trunks e<1>, e<3>. Air is supplied to the trunks d<1>, d<3> by a fan h which draws the air over steam radiators. The air escapes from the chambers by a trunk k<1>. Smoke is generated by partial combustion of oak, beech, or other sawdust together with aromatic plants, such as thyme, laurel, rosemary, sage, &c. or with chemical perfumes. The smoke is withdrawn from the chamber through a trunk m<1> passed. through a water trap and returned to the circulating pump i. The fish &c. are hung on skewers supported in notched racks on trucks which are introduced into the chambers.
Patent GB-205213-A (GB)
Title: Improvements in or relating to powder puffs, handkerchiefs and the like
IPC: A45D33/00
Filed: 1922-07-15
Abstract: 205,213. McKay, R. W. July 15, 1922. Powder-puffs. - A combined powder-puff and handkerchief comprises a piece of material a such as silk, linen, chiffon, &c., to which is secured a pad b of fabric, down, leather, or other material forming the puff. The handkerchief a is adapted to be drawn up so as to enclose the puff by a draw-string or strings c<1> inserted in hems or tucks d provided diagonally across the corners of the material a and arranged to leave openings e so that the strings c may be easily grasped.