baber/WOPTO huggingface dataset:
Patent GB-1309928-A (GB)
Title: 2,9-dioxatricyclo-4,3,1,03,7- decanes and a method of producing the same
Inventor: THIES P W
IPC: C07D493/02
Filed: 1970-05-28
Abstract: 1309928 Dioxatricyclodecanes KALI-CHEMIE AG 28 May 1970 [8 Dec 1969] 25864/70 Heading C2C The invention comprises compounds I (in which R 1  is alkoxy or aralkoxy and (a) R 2  and R 3  are both H and the 10, 11 double bond may be hydrogenated, or (b) R 2  is halogen or SCN and R 3  is acyl). The compounds I in which R 2  is halogen or SCN and R 3  is acyl are prepared by reacting a compound II (in which X is a group which can be eliminated, e.g. acyloxy, R<SP>1</SP> 1  is acyloxy, R<SP>1</SP> 2  is halogen or SCN and R 3  is H or acyl) with an alkanol or aralkanol in the presence of an acid catalyst. These compounds I may be converted into compounds I in which R 2  and R 3  are H, e.g. by hydrolysing the C-4 acyloxy group and catalytically reducing the C-3 halomethyl group. The same compounds can also be obtained by reacting 1-#-D-glucosido-4-isovaleroxymethyl - 6,7 - dihydroxy - 7 - methyl- 1,4a,5,6,7,7a - hexahydro - cyclopenta(c)pyran with an alkanol or aralkanol in the presence of a strong acid. The compounds I in which R 2  and R 3  are H and the 10, 11 double bond is hydrogenated are prepared from the corresponding 10-methylene compounds by conventional hydrogenation. They can also be prepared from compounds I in which R 2  is halogen and R 3  is acyl by catalytically hydrogenating the compound in an alcohol and in the presence of a strong base. Compounds II in which X is isovaleroxy are prepared by reacting didrovaltratum with a sodium halide or potassium thiocyanate.
Patent GB-979361-A (GB)
Title: Apparatus for grinding workpieces and an endless chain for conveying workpieces past a grinding wheel
IPC: B24B41/06
Filed: 1963-06-28
Abstract: 979,361. Grinding. PROBA-PRODOTTI BAUMANN S.p.A. June 28, 1963 [Jan. 18, 1963], No. 25901/63. Heading B3D. [Also in Division B8] Apparatus for grinding workpieces 10 comprises an endless chain 1 having plates 6, 7 which determine the pitch of the chain and have holes accommodating fixed bushes 8 in which are fitted movable bushes 9 adapted to carry the workpieces, the chain being guided by rollers 2, 3 so as to carry the workpieces in an endless path past a grinding wheel 4. As described, the chain passes along paths A, B, C between a pair of grinding wheels, which may be cup-shaped, so that opposite ends of the workpieces are ground simultaneously by the flat peripheral surfaces of the wheels, the endless path of the chain passing through a position in which hand or automatic loading and unloading of the workpieces is effected. Each link comprises two outer plates 7 and two inner plates 6 which may be separated by a spacer depending upon the length of the workpieces. Driving rings 11 are disposed about the fixed bushes 8 for engagement by the teeth of a sprocket; each tooth space of the sprocket my accommodate four links and a blind link may be incorporated in the chain to equalize wear. When the grinding wheels are rotated about vertical axes, shields may be provided below the chain between the grinding wheels and the loading and unloading position to prevent the workpieces dropping from the chain.
Patent GB-508000-A (GB)
Title: Improvements in or relating to artificial fuel
IPC: C10L5/10
Filed: 1937-09-24
Abstract: 508,000. Composition fuel. WILLIAMS, H., and BENNETT, N. F. BETTE-. Sept. 24, 1937, No. 25991. [Class 50] Artificial fuel blocks are made by mixing oil with pulverized coal, adding, e.g. by spraying, sodium chloride with preferably distilled water, spraying on the mixture liquid or powdered shellac or asphalt, the mass finally being pressed into cylindrical, cubical or other blocks. To fine powdered coal 10 per cent of fuel or waste lubricating oil, .5 per cent of sodium chloride with 10 per cent of water, and 2 per cent of shellac residue or 3 per cent of liquified asphalt are added the mixture being pressed at 2-4 tons per square inch.
Patent GB-921331-A (GB)
Title: Improvements in telephone systems
Inventor: ALLEN LESLIE JOHN
IPC: H04Q3/52
Filed: 1958-08-14
Abstract: 921,331. Automatic exchange systems. AUTOMATIC TELEPHONE & ELECTRIC CO. Ltd. Aug. 5, 1959 [Aug. 14, 1958], No. 26108/58. Class 40 (4). In an exchange in which a calling subscriber's line circuit LC is extended to a link circuit LK over cold-cathode tubes VKST, VKD, the former conveying speech and tones and the latter dialling information, the impulses received over the line are repeated in voice-frequency form and the nature of the impulses is determined by the dialling conditions at the substation, so that discrimination may be effected between subscribers having different facilities or between several subscribers on a party-line. The subscriber's line SL terminates in a transformer T1 and condenser C6, and a pair of transistors TX1, TX2, which are differently biased, are connected as shown. The supply of voice frequencies from sources VF1, VF2 is controlled by diodes D1 . . . D3, D2 being normally conducting and D1, D3 backed off. When a call is originated, a scanning arrangement responds and causes tubes VKST, VKD to fire and extend the line circuit to an idle link circuit and thence to a register. The potential connected to the base of transistors TX1, TX2 rises from earth to a negative value so that they conduct in turn, with the result that D1 conducts for a brief period before D2 is backed off and D3 conducts. Thus a pulse of frequency VF1 is sent via tube VKD followed by frequency VF2, but only the latter is effective in the register. Assuming impulsing of the normal kind, on the occurrence of a break TX2, TX1 become non-conducting in turn, so that the transmission of frequency VF2 ceases and a pulse of frequency VF1 is sent. On the succeeding make, a further pulse of VF1 is sent followed by VF2 as before. If, however, the " break " consists in the insertion of a resistance of 5000 ohms, for example, in the loop, then the potential connected to the base of the transistors becomes between - 3 V. and - 8 V., with the result that only TX2 ceases to conduct, and frequency VF2 is replaced by VF1 for the duration of the " break." A third possibility is that movement of the dial off-normal inserts a resistance in the loop which is then broken in the normal way. In this case frequency VF2 is replaced by VF1, and this is merely disconnected at each break impulse. The register, Figs. 2, 3 (not shown) employs transistors, including timing circuits for repeating the dialled impulses to a counter, and for distinguishing between the types of signal received. Three cold-cathodes are provided of which one is operative for normal dialling conditions and is replaced by one of the other two under other conditions.
Patent GB-859428-A (GB)
Title: Spark arrester for multicylinder engines
IPC: F01N3/06
Filed: 1958-08-14
Abstract: 859,428. Spark arresters &c. CALIFORNIA RESEARCH CORPORATION. Aug. 14, 1958 [Sept. 3, 1957], No. 26153/58. Class 25 A spark arrester for a four-cylinder diesel engine comprises exhaust ducts 12, 13, Figs. 1, 2, leading tangentially into a cylindrical chamber 10 partitioned by centrally-apertured plates 25 between which is located a volute 251 which leads to a divided outlet duct 21. In a modified four-cylinder arrester, the duct 21 is radial to the chamber 10 and has bellmouthed entrances replacing the apertures in the plates 25 and an axial tube for suction cleaning of the engine's air cleaner projects through an end wall of the chamber to terminate within one of the bell-mouths. In an eight-cylinder arrester, the ducts 12, 13, Fig. 3, are arranged similarly to those shown in Fig. 2, but the cleaned gases are withdrawn through an end duct 31. In a modification of this arrester, the duct 31 projects axially into the chamber and is bell-mouthed. An eightcylinder arrester has all its inlet ducts 121, 131, Fig. 6, suitably shaped so that the tangential inlet openings 151 are axially aligned.
Patent GB-782906-A (GB)
Title: Process for the catalytic hydrogenation of carbon monoxide
IPC: B01J37/18
Filed: 1954-09-09
Abstract: In the synthesis of hydrocarbons with or without the synthesis of oxygen-containing organic compounds, from carbon monoxide and steam, the catalyst is activated by pretreatment with an industrial gas containing carbon monoxide and rich in one or more gases ineffective to reduce and activate the catalyst.  The gas is preferably free from hydrogen and may be producer gas or blast furnace gas, and activation is carried out at atmospheric or super-atmospheric pressur and at a temperature up to 100 DEG  C. above that of the synthesis.  The catalyst may be a metal of the 8th group such as cobalt, iron, nickel or ruthenium, containing promoters such as compounds of alkali metals, alkaline earth metals and magnesium; thorium oxide, cerium oxide, aluminium oxide and chromium oxide; and also compounds of manganese, vanadium, boron, copper, nickel, silver, and gold.  The catalyst may be used in fixed bed or fluidized bed form.  In an example, an alkaline iron-copper-kieselguhr catalyst was treated for 24 hours with blast furnace gas at 270 DEG  C. under normal pressure. Specification 707,972, [Group IV (b),] is referred to.ALSO:In the synthesis of hydrocarbons with or without the synthesis of oxygen-containing organic compounds from carbon monoxide and steam, the catalyst is activated by pretreatment with an industrial gas containing carbon monoxide and rich in one or more gases ineffective to reduce and activate the catalyst.  The gas is preferably substantially free from hydrogen and may be producer gas or blast-furnace gas, and activation is carried out at atmospheric or superatmospheric pressure and at a temperature up to 100 DEG  C. above that of the synthesis.  The catalyst may be a metal of the 8th group such as cobalt, iron nickel or ruthenium, containing promoters such as compounds of alkali metals, alkaline earth metals and magnesium; thorium oxide, cerium oxide, aluminium oxide, and chromium oxide; and also compounds of manganese, vanadium, boron, copper, nickel, silver and gold.  The catalyst may be used in fixed bed or fluidized bed form.  In an example, an alkalized iron-copper-kieselguhr catalyst was treated for 24 hours with blast furnace gas at 270 DEG  C. under normal pressure and the product used in the preparation of hydrocarbons by passing a mixture of blast-furnace gas and water vapour in the ratio of 3 volumes of CO to 1 of steam over the catalyst at 240-260 DEG  C. at a gauge pressure of 20 atmospheres.  Specification 707,972 is referred to.
Patent GB-773081-A (GB)
Title: Improved dish washer machine
Inventor: ABRESCH CAREL F
IPC: A47L15/46
Filed: 1955-04-07
Abstract: The whole of the subject-matter of this Specification is disclosed in Specification 773,080 but the claims differ.
Patent GB-755617-A (GB)
Title: Improvements relating to hand tools for tattooing animals
Inventor: PARSONS FREDERICK CHARLES
IPC: A01K11/00
Filed: 1953-09-24
Abstract: 755,617. Printing surfaces. PARSONS & CO., Ltd., F. C. Sept. 22, 1954 [Sept. 24, 1953], No. 26334/53. Class 100 (2). [Also in Groups XV and XXIII] In pliers for tattooing identifications on animals, wherein one jaw consists of a U-like frame and the other an elongated bed or pad, the limbs of the frame support a die-carrying block mounted for rotary movement and means are provided for locking the block in a selected position, the block being mounted so that axial movement thereof causes disengagement of the locking means, the block being spring biased to locked position. As shown, a block 16 of square cross-section has cylindrical through apertures 21 to receive two sets of dies D, one set projecting from each face. The dies each consist of a head with projecting pins and a cylindrical stub for entry in an aperture. The ends of the block are formed as axles 16a, 16b which are mounted in bearing in the side limbs 12a, 12b of the frame, a knob 20 being provided for turning the block and moving it axially against the pressure of the spring 19. The spring normally urges the block into engagement with an abutment plate 18b on the limb 12b on the face of the block facing the pad 13. Each set of dies is retained by a locking bar 24 pivoted to the block 16 and mounted in a non-die-carrying face. The bar engages in slots in the stubs of the dies and is locked in position by a spring catch 25. The pliers-are held open by a spring 14.
Patent GB-1523805-A (GB)
Title: Vehicle push-block assembly with shear load transmitting means
IPC: E02F3/65
Filed: 1976-06-24
Abstract: 1523805 Earth-moving scraper bowls CATERPILLAR TRACTOR CO 24 June 1976 [31 Oct 1975] 26370/76 Heading E1F [Also in Division B7] A scraper vehicle 10 is provided with a push-block assembly 22 detachably mounted on the frame of the vehicle by means of bolts 23 and a dowel 28. The vehicle 10 is also provided with a bail 16 pivotally and detachably mounted on the frame of the vehicle by pivot pins 19.
Patent GB-238419-A (GB)
Title: Improvements in combined manual and automatic switches for electric heaters
IPC: H05B1/02
Filed: 1924-11-05
Abstract: 238,419. Klettner, M. Nov. 5, 1924. Thermal switches with contacts reinforced magnetically. - A thermal switch of the expanding fluid kind is incorporated in a device having pins or sockets 3<a>, 3<b> for connection to an electric heater. The fluid container 9 bears against a screw 11 adjustable in a spring 14 fixed at one end to support 16 and carrying at the other end a button 20 which serves to conduct heat from, the plug 3<a> to the container 9 and also to conduct electricity from the plug 3<a> to a screw 22. When a predetermined temperature is exceeded, the container 9 presses the spring 14 to the right and breaks the heating circuit at 20, 22. Circuit is re-made on cooling. The spring 14 carries an armature 17 which co-operates with a permanent magnet 18 so as to give a quick break.
Patent GB-1240764-A (GB)
Title: Fluorine containing esters and polymers and copolymers derived therefrom
IPC: C08F28/00
Filed: 1969-05-23
Abstract: 1,240,764. Coatings. J. R. GEIGY A.G. 23 May, 1969 [27 May, 1968], No. 26470/69. Heading B2E. [Also in Divisions C2 and C3] Water and oil-repellent coatings are provided by homopolymers and copolymers of compounds of formula in which m is an integer from 2 to 18, R' is a C 2-6  alkylene group, R" is a hydrogen or a C 1-4  alkyl group, X is oxygen or sulphur, R is an acyl radical derived from fumaric, maleic, citraconic, mesaconic, itaconic, aconitic or methylene malonic acid and S is 2 or 3 and is equal to the number of carboxy groups in the acid from which R is derived. Lists of comonomers are given, those exemplified being methyl, ethyl, isobutyl and 2-methoxyethyl ethers, vinyl acetate and styrene. Other listed polymers may be present in the coating composition, that exemplified being poly-n-octyl methacrylate. Substrates specified are textile materials, e.g. cotton, wool, silk, fibreglass, regenerated cellulose, cellulose esters and ethers, polyamides, polyester condensation polymers, polyacrylonitrile and polyacrylic esters, and also paper, leather, wood, masonry, metals, glass, plastics and painted wooden and metallic surfaces. Coatings may be applied from solution or emulsion by conventional dipping, spraying, brushing, padding and roll coating techniques. Fluorinated coating solvents are preferred, hexafluoroxylene being exemplified.
Patent GB-817265-A (GB)
Title: Improvements in or relating to nuclear reactors
IPC: G21C1/08
Filed: 1957-08-22
Abstract: 817,265. Nuclear reactors. WESTING- HOUSE ELECTRIC INTERNATIONAL CO. Aug. 22, 1957 [Sept. 19, 1956], No. 26526/57. Drawings to Specification. Class 39(4). In a pressurised water reactor, materials may be tested in the core under controlled conditions of temperature and pressure. The core coolant, light water, is separate from the moderator, heavy water. The core comprises a steel tank having a series of internal vertical tubes in which are inserted the fuel elements, control rods and test specimens. The cooling water passes round the outside of the tank and through the core down the tubes containing the fuel and control elements. The moderating water flows through the inside of the tank between the fuel control element and test specimen tubes. Some test specimens are mounted in containers which are inserted into the vertical tubes from the underside of the core and which may be subjected internally to a flow of pressurized fluid and which are provided with electric test leads. Other test samples are held in sealed containers inserted into the vertical tubes. The control rods are releasable magnetically in an emergency and when withdrawn upwardly out of the core a fuel element is simultaneously drawn into the space to reduce disturbances of the neutron flux. Each fuel element consists of three concentric, spaced aluminium tubes, the fuel metal being bonded to the centre section of each tube. The materials employed are, shield, concrete and magnetite; fuel, uraniumaluminium, alloy ; control rods, cadmium.
Patent GB-426543-A (GB)
Title: Combined nightgown and morning suit
IPC: A41D15/00
Filed: 1934-09-17
Abstract: 426,543. Wearing - apparel. HELM, A., 3, Xantenerstrasse, and ALEXANDER, J., 174, Kaiserallee, both in Wilmersdorf, Berlin. Sept. 17, 1934, No. 26633. [Class 141] A nightgown is provided with two deep folds, formed from additional panels of material in the skirt portion, which may be detachably connected together between the legs, for wear as a beach costume, gardening suit, &c. The upper edge of each fold may be curved as at d, Fig. 1, or may be carried down obliquely to the meeting edges of the folds or, as in Fig. 6, as far as the bottom of the garment. These folds may be only sufficiently deep to be connected together, or they may overlap partly or completely across the width of the garment from back to front.
Patent GB-434244-A (GB)
Title: Improvements in and relating to boring and drilling machines
IPC: B23B47/00
Filed: 1934-09-17
Abstract: 434,244. Boring and drilling machines. VOMAG-BETRIEBS AKT.-GES., Plauen, Vogtland, Germany. Sept. 17, 1934, No. 26655. Convention date, Feb. 2. [Class 83 (iii)] In a boring and drilling machine wherein the work table is fed to the spindle, the table f has a vertical extension g at one side which carries upper and lower bearings i, h engaging opposite sides of a vertical guide rod k secured to the machine frame a, the bearings being so arranged that the weight of the table tends to press them against the rod. Rotation of the table about the rod is prevented by a shoulder ml, Fig. 3, on a bracket m attached to the table and held by the pressure of a spring o against a vertical guide strip n. The guide rod k may be of circular cross section as shown, or of any other cross-section. The table is fed by a hydraulic cylinder p, Fig. 3, resting on a spherical support s, Fig. 2, (not shown), on the machine frame so as to be free to align itself correctly and provided with a piston rod q, Fig. 1, connected to a pivot r on the table. The hydraulic feed may be replaced by a mechanical or electrical feed. A number. of boring spindles are mounted in bearings d attached to a common base plate e which may be formed integral with or attached to the frame a, and are rotated by an electric motor located within the frame and a single belt b.
Patent GB-187591-A (GB)
Title: Improved process of and apparatus for the generation of steam
IPC: F22B27/16
Filed: 1922-10-03
Abstract: 187,591. Gabet, G. Oct. 20, 1921, [Convention date]. Instantaneous generators.-Steam is generated by projecting water in a finely divided condition by means of a jet of steam against a highly heated surface. In the arrangement shown, the water is preheated in a coil 5 and is then projected into a chamber 1 by an ejector blower 2 supplied with steam from a coil 3. A helical baffle 6 is secured around the upper part of the chamber. A grating 7 of copper or aluminium may be placed at the bottom of the chamber. A number of chambers are supported in a horizontal row or group in a vertical or horizontal flue.
Patent GB-1531576-A (GB)
Title: Tape measure
IPC: G01B3/10
Filed: 1976-06-26
Abstract: 1531576 Tape measures KYOTO MEASURING INSTRUMENTS CORP 26 June 1976 26734/76 Heading G1M A winding drum 3, Fig. 4, has a flange 5 which is pressed by a dish shaped spring 10, Fig. 2, against a stepped part 6 of casing 1, 2 so that the drum turns always with a constant frictional resistance. A winding handle 14 and knob 22 may be raised from its housing groove 13 and rotated through 180 degrees to a winding position when the tape is to be re-wound, and the pullring 18, Fig. 5, is housed and clipped into a recess 21 in the case when not in use so that the tape is bent and thus urged back into the re-coiled position.
Patent GB-664222-A (GB)
Title: Piano touch regulator
IPC: G10C3/16
Filed: 1949-10-18
Abstract: 664,222. Pianofortes. KRAUSZ, N. Oct. 18, 1949. No. 26766/49. Class 88 (ii). The touch of a pianoforte may be adjusted by means of a handle 28 which controls, through levers 27, 23, a rotatable drum f to which are clamped, by means of a bar 19 and screws 20, a number of cords 18, one for each hammer a. Each cord 18 is secured at one end to a spring 17 attached to the hook 11 to which is fastened the bridle tape 10 of the corresponding hammer a. An alternative construction, Fig. 9, dispenses with the drum f, the tension of the springs 17 being altered by the movement of a strip 32 which impinges on the cords 18 whose lower ends are in this case secured to the keys 14.
Patent GB-1224361-A (GB)
Title: Dispersion compositions of polyvinylidene fluorides
IPC: C08L27/16
Filed: 1968-06-06
Abstract: 1,224,361. Vinylidene fluoride polymer dispersions. KUREHA KAGAKU KOGYO K.K. 6 June, 1968 [9 June, 1967], No. 27011/68. Heading C3P. A dispersion composition of a vinylidene fluoride polymer comprises a dispersion of a mixture composed of from 1 to 99 parts by weight of a first vinylidene fluoride polymer having an average particle size of from 0À01 to 1 micron and from 99 to 1 part by weight of a second vinylidene fluoride polymer having an average particle size of from 10 to 300 microns in a dispersion medium in which the first and second vinylidene fluoride polymers are substantially insoluble at a room temperature of lower than 30‹ C., and which has a boiling point between 30‹ and 350‹ C. at 760 mm. Hg, the total quantity of the mixture in terms of its weight ratio with respect to the quantity of the dispersion medium being from 1 : 3 to 3 : 1. In the examples vinylidene fluoride is polymerized in the presence of water, ammonium persulphate and sodium perfluorooctanoate to prepare the first polymer and in the presence of water, methanol, methylcellulose and isopropylperoxydicarbonate to prepare the second polymer. Organosols are then prepared from these polymers, dibutyl phthalate and dimethyl acetamide.
Patent GB-1164938-A (GB)
Title: Machine for Cutting Ribbons of all Types of Fibre.
IPC: D01G1/10
Filed: 1967-06-12
Abstract: 1,164,938. Fibre stapling. GIRAUDI S.r.L. 12 June, 1967 [15 June, 1966], No. 27027/67. Heading D1F. Apparatus for cutting fibre ribbon comprises in succession a ribbon loading station 4 consisting of two pairs of rollers 5, 6 and 7, 8 defining a horizontal path and incorporating springs 11, 12, a cylinder station 15 in which the ribbons 1a, 1b are displaced alternately in a direction transverse to the feed direction, a cutting station 33, a stretching station 35 and an exit conveyer 44a directing the ribbon upwardly from the apparatus. The loading station 4 comprises cup springs 11, 12, the tension in which can be regulated. The cutting station comprises a pair of rollers, one of which has a peripheral helical blade. Station 15 comprises a fixed support on which the cylinder supports are secured and in which there is a rotating shaft on which a loose pulley is mounted, the axis of the pulley being at a constant angle to the axis of the shaft. A system of levers is used to transmit the alternating movement of the pulley to the cylinders about which the ribbon passes. The stretching station 35 preferably comprises four pairs of rollers 39, 40, 41 and 42. an endless belt 39a, 40a, 41a, 42a passing round each pair.