baber/WOPTO huggingface dataset:
Patent GB-870322-A (GB)
Title: Composition for treatment of living teeth, grinding of teeth or tooth necks, which teeth have been prepared to take up a crown substitute, and method of preparing said composition
IPC: A61K6/02
Filed: 1959-07-22
Abstract: A composition for use in dentistry comprises a film-forming substance selected from polystyrene, polyvinyl chloride and polyvinyl acetate, an adhesive selected from coumarone resin, indene resin and a mixture of coumarone resin and sebacic stearate, and a water repellant substance selected from the stearates of Ca, Ag, Ba, Pb, Co, Mn, Ni, Zn and Ti.  Mixing of the components may be effected with the aid of a solvent such as acetic acid admixed with a chlorinated hydrocarbon, e.g. CCl4.  Optional ingredients specified are eugenol, novocaine derivatives and calcium hydroxide with or without calcium fluoride.
Patent GB-205957-A (GB)
Title: Improvements in resilent tyres for vehicle wheels
IPC: B60C7/02
Filed: 1922-09-19
Abstract: 205,957. Mitchell, J. S. Sept. 19, 1922. Drawings to Specification. Non-metallic elastic bodies and cores.-Woollen threads are wound helically in layers, around a rubber core or otherwise, to form a filling for a tyre cover.
Patent GB-317761-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B7/02
Filed: 1929-08-19
Abstract: 317,761. Aktiebolaget Separator. Aug. 21, 1928, [Convention date]. No Patent granted (Sealing fee not paid). Casings; outlet connections.-A centrifugal separator has a removable or pivoted collecting vessel 4, and the discharge channel 8 is connected to the flexible discharge tube 12 by means of a spring controlled member 9. A tight joint is obtained by the packing 10, and an adjustable nut 14 limits the upward movement of the member 9 when the collecting vessel is removed. Packing 11 is also provided between the collecting vessel and the frame 3. The element 9 may be arranged in the collecting vessel or in pipes placed in or on the collecting vessel and the frame. Reference has been directed by the Comptroller to Specification 310,544.
Patent GB-444544-A (GB)
Title: A process for the manufacture of organic peroxides
IPC: C07C409/22
Filed: 1935-09-11
Abstract: Acetone peroxide and homologues thereof such as the peroxides of methyl ethyl ketone, di-ethyl ketone and di-isopropyl-ketone are prepared by a process which comprises reacting the ketone and hydrogen peroxide at low temperature in the presence of strong acids, characterized in that the hydrogen peroxide used in the reaction is not isolated as such, but is prepared by hydrolysis of persulphuric acid or a persulphate and the reaction with the ketone conducted in situ.  The hydrolytic treatment is carried out in any manner known per se, such as by bringing the solution containing the acidified persulphate to an elevated temperature for a short time.  Stabilizers such as urea may be present during the hydrolysis.  If the peroxide is intended to be isolated in the free state it is extracted from the reaction mixture with a pure readily distillable solvent such as benzene or gasoline, but if it is intended to be used for improving the ignition quality of fuels for Diesel engines, gas oil is used as the extraction agent.  In the latter case a 7 per cent solution of the peroxide in gas oil is prepared which is a readily dosable product.  In an example a 13 per cent solution of H2S2O8 obtained by electrolysis of a 50 per cent solution of sulphuric acid is hydrolysed for 1 minute at 100 DEG  C.  After cooling to -20 DEG  C. the theoretical amount of acetone calculated on the amount of active oxygen present is added slowly.  The reaction mixture is stirred for 15 minutes and the peroxide extracted with gasoline.ALSO:The ignition quality of fuels for Diesel engines is improved by the addition of acetone peroxide or a homologue thereof, e.g. the peroxides of methyl-ethyl-ketone, diethyl ketone, and diisopropyl ketone.  The peroxide is prepared by the direct action of the ketone on a hydrolyzed solution of persulphuric acid or a persulphate, and extraction by gas oil.  A 7 per cent solution of the peroxide in gas oil is prepared as a readily dosable product.
Patent GB-1495888-A (GB)
Title: Manufacture of safety shoes having rigid toe boxes
IPC: A43B7/32
Filed: 1976-06-18
Abstract: 1495888 Safety footwear BUSH UNIVERSAL INC 18 June 1976 [23 Oct 1975] 25386/76 Heading A3B A lasted safety shoe is characterised in that an upper assembly is formed to define only one lastable margin in the toe and fore region, and in that a toe box e.g. of steel is attached to the upper assembly at the said region before the subsequently lasting thereof about an insole. Preferably an upper assembly includes a liner 16 which is cut back in the toe region so as not to define a second lasting margin and a toe box 10 is attached to the upper liner via a box liner 30 having a flap 34 which is stitched and or adhered in overlapping relationship with a similar flap 28 defined on the upper liner: the toe box being positioned on the upper such that the combined assembly so formed may be held securely on a last under tension during the subsequent lasting of the toe regions. As an alternative (not shown) the upper assembly may be formed as a plurality of segments including a vamp portion having a vamp liner cut back to define no lastable margin; the liner being attached to a toe box liner to which a toe box is subsequently adhered, before the sub-assembly so formed is attached to the vamp portion of the upper. A cushion layer e.g. of rubber, plastics may be interposed between the toe box and upper.
Patent GB-1351215-A (GB)
Title: Contact members
IPC: H01H1/02
Filed: 1971-04-19
Abstract: 1351215 Contact material SIEMENS A G 19 April 1971 [26 March 1970] 25464/71 Heading C7A [Also in Division H1] A compacted powder which is diffused into a vacuum switch contact of highly degasified copper consists of a mixture of 10g of silver, 15g of copper and 1g of bismuth. At a diffusion temperature of 1000 C there is developed a molten phase which form an equilibrium of 10g of silver and about 40g of copper with the bizmuth uniformly distributed.
Patent GB-597890-A (GB)
Title: Improvements in or relating to controls for fluid pressure power devices
IPC: F15B17/00
Filed: 1944-12-19
Abstract: 597,890. Controls for fluid-pressure power devices. BENDIX AVIATION CORPORATION. Dec. 19, 1944, No. 25499. Convention date, Jan. 24. [Class 103 (i)] In a braking system comprising a pedal operated master cylinder 12 which controls high and low pressure conduits to a power cylinder 24 the piston of which actuates the auxiliary master cylinder piston 22, a valve 82 is provided which admits fluid at high pressure directly to the power cylinder working space when the speed of operation is such as to cause a considerable. pressure drop between the inlet valve chamber and the power cylinder. As shown the high and low pressure fluids are atmospheric air and vacuum respectively. Chambers 38, 40 of the tandem piston cylinder 24 are permanently in connection with vacuum through passage 66 and conduit 34. Chambers 44, 42 are interconnected by orifices 48 and the hollow sleeve 50 and are in communication through a conduit 52 with the valve chamber 54 which in the position shown is connected to vacuum through a central orifice in the diaphragm 60, openings 62 in the member 64, passage 66 and the conduit 34. Operation, of the self-lapping inlet valve 72 and the exhaust valve 70 by the piston 58 controlled hydraulically from master cylinder 12 charges the valve chamber 54 with air which passes through the conduit 52 to chambers 44 and 42 so that piston 22 in auxiliary master cylinder 20 is moved by thrust rod 26 rigid with the pistons 28 and 30 to operate the brakes. In rapid braking a fast application valve 82 admits air directly to chamber 42 when the pressure difference between chambers 54 and 42 exceeds a predetermined limit. Space 88 is connected through a conduit 86 to chamber 54 while space 92 is connected through a conduit 90 to chamber 42. When the difference between these pressures acting on diaphragm 84 is sufficient to overcome the spring 112 the poppet 96 is opened to admit air directly through passages 104, 102 and 98. The valve 82 is closed during brake release.
Patent GB-1155208-A (GB)
Title: Compositions containing Orally Administrable Iron Salts of Carboxyl Group-Containing Polymers
IPC: A61K31/295
Filed: 1966-06-08
Abstract: 1,155,208. Therapeutic iron preparations. TEIKOKU HORMONE MFG. CO. Ltd. 8 June, 1966 [8 June, 1965; 17 Nov., 1965; 18 Nov., 1965], No. 25578/66. Heading A5B. [Also in Division C3] Orally administrable solid pharmaceutical iron compositions having sustained iron-releasing activity in the gastric juice or intestinal fluid comprise an iron salt of a carboxyl group containing water-soluble polymer, and a pharmaceutically acceptable solid carrier or excipient. The water-soluble polymer may be a polymer or copolymer of an ethylenically unsaturated carboxylic acid, e.g. maleic, acrylic or methacrylic acid; suitable comonomers include styrene, vinyl acetate, vinyl ethers and C 1 -C 4 -alkyl esters of acrylic or methacrylic acid. The iron component may be ferrous or ferric, and the iron content of the polymer salt is generally from 2.5-33% by weight. Carriers specified are lactose, microcrystalline cellulose and starch. The compositions may be administered in the form of tablets, granules, powders or capsules.
Patent GB-1531473-A (GB)
Title: Fabric edge control in knitting machines
IPC: D04B15/60
Filed: 1975-06-16
Abstract: 1531473 Knitting-machines WILDT MELLOR BROMLEY Ltd 15 June 1976 [16 June 1975] 25661/75 Heading D1C In a knitting machine of the type having needle beds and yarn feeding means which circulate relative to one another (e.g. a cylinder and dial machine or a circulating- carriage flat machine) the beds have a non- knit zone without needles or with inoperative needles and means 38 are provided for severing the yarn after the last needle 2 to knit, yarn being reintroduced to the first needle to knit after the non-knit zone, and the machine is characterised in that periodically after a plurality of courses in which the yarn is severed the severing means is rendered inoperative to produce a float 51 across the non-knit zone, these spaced floats serving to prevent bowing of the fabric edges.
Patent GB-534162-A (GB)
Title: Improvements relating to ambulance stretchers
IPC: A61G1/06
Filed: 1939-09-13
Abstract: 534,162. Ambulance vehicles. KENNEDY, D. S., and COSIER, C. Sept. 13, 1939, No. 25712. [Class 108 (i)] A folding carriage for ambulance stretchers comprises in the construction a top b hinge-jointed at c, pairs of side supports f each hinged to the top and to blocks g at the ends of a wheel axle h and pairs of restbars l hinged each to a side member of the supports f. The top comprises side rails bl of angle section connected by transverse members e and on which the side bars of the stretcher a can rest. The supports f are connected by transverse members of X-form. When the carriage is folded, the joint c moves upwardly so that at either side of the vehicle, the rail parts b<SP>1</SP> assume a substantially vertical position side by side with the pair of members f extending parallel to each other in a vertical direction in alignment with the corresponding parts of the rails. In a modification the pair of members f at each side are connected to the upper end of a vertical fork in which a short wheel axle is mounted. A pair of rest-bars l are in this case pivoted each to the transverse members j midway between the sides. In a further construction short axles are mounted each between the lower ends of the members f and of the members j.
Patent GB-262226-A (GB)
Title: Improvements in and relating to wireless valve holders
IPC: H01R33/76
Filed: 1925-10-15
Abstract: 262,226. Ecclestone, J. C. Oct. 15, 1925. Vacuum tubes.-A valve holder consists of ebonite sections A secured around a central pin D by a rubber band F, each section having a socket II and a support with a forced end C fitting over a terminal E, on a hace B. The centre circle of the sockets is slightly less than that of the valve pins, so that the sections are pushed outwards when a valve pin is inserted, and the forked supports slide over the terminals., the nuts on which are subsequently tightened.
Patent GB-195109-A (GB)
Title: Improvements in or relating to pistons and piston rods
IPC: F16J1/04
Filed: 1921-09-29
Abstract: 195,109. Pile, E. St. J. D. Sept. 29, 1921. Guiding-means within cylinder; connecting-rods. -The piston of an internal - combustion. or other engine has a central rod C with four radial arms E, having forked ends carrying rollers G which bear on the cylinder walls. The axles F of the rollers may be acted on by springs H. The rod C is connected to the piston head and skirt by, webs D and is attached at the end C<1> to the connecting-rod.
Patent GB-462979-A (GB)
Title: Improvements in or relating to slide stop valves
IPC: F16K31/05
Filed: 1935-09-18
Abstract: 462,979. Stop - valves. COCKBURNS, Ltd., and MAcNICOLL, D. Sept. 18, 1935, No. 25844. [Class 135] A parallel-slide stop-valve 1 normally operable by screw mechanism 2, 3 but capable of power operation in an emergency has the nut member 2 of the screw mechanism unitary with the piston 6 of a dashpot 5 containing lubricant. The nut 2, which is released for axial movement in the dashpot during power operation of the valve, is thus maintained in lubricated condition. The rotary spindle 3 is connected to a non-rotatable spindle 3a and is rotated by a hand-wheel 13 operating bevel gears 14, 15. External radial teeth 8 on the nut are confined between the hub 18 of the gear 15 and corresponding internal radial teeth 9 in the hub 16 of a lever 10 pivoted in a recess 17 at the top of a tubular member 12. Internal splines 8<a> in the member 12 prevent the nut from rotating. On rotation of the lever 10, the teeth 9 are aligned with the spaces between the teeth 8 and the nut is thus free to descend. Simultaneously a cam 22 on the lever 10 opens a spring-loaded exhaust valve 19, whereupon the valve 1 is opened by fluid pressure above the power piston 11.
Patent GB-633345-A (GB)
Title: Improved method of constructing scaffolding
IPC: E04G7/24
Filed: 1946-08-28
Abstract: 633,345. Scaffolding. MOLES, A. Aug. 28, 1946, No. 25845. Convention date, Dec. 29, 1942. [Class 20 (ii)] [Also in Group XXVIII]  Scaffolding is erected by assembling standard rafters 1, 2 Fig. 1, of wood or metal using junction devices each comprising a rear plate 3 and one or more locking plates 4 secured to the rear plate by bolts 5 releasable without removing the nuts 5a. As shown in Fig. 3, for joining two rafters at right-angles, a central plate 16 is formed with slotted lugs 17, 18 to receive the heads of bolts 5, 51 extending in opposite directions to engage locking plates 19, 20 respectively. Claws 10 and holes 9 which receive securing pins secure the rafters against displacement. The plate 16 may be made in two pieces pivotally connected to permit the joining of the rafters in any angular relationship. The rafters may be assembled in parallel and side by side relationship to form various composite cross-sections. Thus in Figs. 6, 7 (not shown) the junction devices assemble the rafters to form composite uprights having a comer and T-section respectively. The rafters may be metal units, e.g. tubes of square cross-section, angle irons, channel or I-shaped rims.
Patent GB-518889-A (GB)
Title: Improvements in the treatment of yeast and in brewing
IPC: C12C5/02
Filed: 1938-09-06
Abstract: 518,889. Beverages; yeast and yeast preparations ; colloid mills ; irradiating yeast &c. FISCHER, A. M. Sept. 6, 1938, No. 26088. [Classes 14 (ii) and 49] [Also in Group III] Yeast is treated with an extractive agent preferably one having a plasmolyzing action such as sodium or potassium chloride and a sugar, gum arabic or malt extract and passed through a colloid mill, so as to extract the cell contents. The treatment may be carried out so as not to cause autolysis and disrupt the yeast cell walls, the yeast becoming activated, or the plasmolyzed yeast may be heated to destroy the fermenting power of the yeast. The extract so produced, which may be filtered, contains the vitamins and enzymes of the yeast. It may be added with or without filtration to beer or other beverages to increase their nutritious value and may be filtered to remove yeast cells and may be concentrated, in vacuo. It may also be irradiated, preferably during its treatment in the colloid mill. When added to wort, the extract acts as a nutrient for the yeast and may be wholly absorbed thereby. A colloid mill which may be used comprises rotors 19, 20, 21, Fig. 1, which in conjunction with the three adjustable stators 23, 24, 25 provide gaps 26, 27, 28, whose width may be determined as by the optical system 61, 63, 64. Each of the rotors is provided with two grooves, e.g. 39, 40, which further communicate with one another and with the top of the rotor by means of slots 42, 43. The plasmolyzed yeast fed into hopper 12, thus passes on to the second rotor 20 in part through gap 26 and in part through slots 42, 43. The mill has a cooling jacket 44, the liquid leaving the first rotor being fed on to fins 47 to increase cooling. Part of the casing 52 of the mill is of quartz glass and an ultra-violet lamp 53 irradiates the material during its passage through the mill. A valve 66 provides for feeding CO2 to the mill, to minimize ozonization during irradiation.
Patent GB-939122-A (GB)
Title: Improvements in or relating to footwear
Inventor: BAKER ERNEST WELLS
IPC: A43C11/12
Filed: 1962-07-06
Abstract: 939,122. Fasteners for footwear. SCOVILL MANUFACTURING CO. July 6, 1962, No. 26114/62. Class 17 (2). [Also in Group XXV] An overshoe is closed by a zipper and bellows tongue assembly which is secured to the inner face of the overshoe along the edges of the front opening. The bellows tongue has a triangular back 11 and wing sections 12, 13 attached to the back 11 so that they lie flat when folded over the back with their edges parallel and spaced (shown dotted, Fig. 1). The wings have tabs 16, 17, 18, 19 which overlap at the bottom and abut at the top. The zipper tapes 25 are then attached to the edges of the wings 12, 13 and the assembly is attached to an overshoe as in Fig. 3. The back and wing sections may be made separately or from a blank 10 with creases 22, 23. The tongue may be made of a thermoplastic, e.g. a vinyl resin or a thermoplastic impregnated cloth, in both cases the joints are heat-sealed. The zipper tapes 25 may have a coating of thermoplastic to improve the joints.
Patent GB-1153584-A (GB)
Title: Process for preparing Sulphonic Acids
IPC: C07C/
Filed: 1966-06-13
Abstract: 1,153,584. Sulphonic acids. FARBWERKE HOECHST A.G. 13 June, 1966 [11 June, 1965], No. 26185/66. Heading C2C. In the sulphonation of straight-chain paraffin containing 10-30 carbon atoms by SO 2  and oxygen, the hydrocarbon is first purified by a molecular sieve process or the urea process and further purified by intimately mixing the hydrocarbon with a solution of sulphur trioxide in H 2 SO 4  and by subsequently separating the hydrocarbon layer from the H 2 SO 4  layer and the sulphonation is initiated by high-energy ionizing radiation, UV radiation, ozone or a peroxy compound and is continued without further irradiation and without the introduction of any further substance suitable for initiating a free-radical chain reaction. The initiation of the reaction may be by γ, # or W radiation, X- rays, electrons rich in energy from accelerators, ozone, ozone containing oxygen or peroxy compounds for example peracetic acid, cyclohexyl persulphonic acid or acetyl cyclohexansulphonyl peroxide. The sulphonation may be carried out using a mixture of SO 2  and air. The acids formed may be converted into salts.
Patent GB-1026522-A (GB)
Title: Improvements in flameproof thermostat assemblies
IPC: H01H9/04
Filed: 1962-07-09
Abstract: 1,026,522. Thermal switches. ISOPAD Ltd., and H. REIK. July 9, 1963 [July 9, 1962], No. 26228/62. Heading H2B. In a flameproof thermostat assembly a capillary tube, connected to a switch within a flameproof housing, is taken through the wall of the housing by means of a flameproof bush provided with special means to prevent its accidental removal. The inlet for a capillary tube 6, Fig. 1 (not shown), into a flameproof housing, comprising a body portion 1 and cover 2 and containing a thermostatic switch 3, comprises a threaded bush 7 sealed in a gas-tight manner to the tube 6, the bush having its inner end larger than the bore 8 into which it fits to render the inlet flameproof and to make its removal from the outside impossible. In other embodiments, the bush may be a slide fit with a lock-nut at one end; it may be brazed to the tube 6 and fit in a groove in the body 1 of the housing where it is held in place by a grub screw, or the bore may be formed by registering grooves in the body and cover.
Patent GB-337063-A (GB)
Title: Improvements in or relating to the electrical supervision of the position or condition of apparatus at a distance
IPC: H02J13/00
Filed: 1929-07-22
Abstract: 337,063. Automatic Telephone Manufacturing Co., Ltd., Burns, G. A., Rayner, T. R., and Erickson, A. E. July 22, 1929. Divided on 337,007. Drawings to Specification. Selective signalling systems.-In a signalling system the same circuit is used for telegraph signalling, for the transmission of meter-readings, circuit breaker and tap change switch positions and for telephone communication, the actual signal selected being dependent on the point of division of a cycle of a fixed number of impulses, the impulse trains being of different voice frequencies if repeaters are included in the circuit or of direct current of different polarity if a full metallic circuit is provided. If voice current frequencies are used a signal is first transmitted over the circuit to prepare the circuit at the incoming end for reception, this signalling current being maintained on the circuit throughout the connection. The description is identical with that in Specification 337,007, the claims relating to (1) the use of a fixed cycle of impulses divided in a particular manner to select the particular signal a second cycle being subsequently transmitted depending on the particular signal (2) the use of a predetermined part of the fixed cycle divided in a particular manner to select a particular telegraph message, (3) the transmission of a preparing signal to light the receiving valves and (4) the transmission of a preparing audio frequency to prepare the apparatus at the incoming end for reception, the preparing frequency being maintained throughout the transmission.