Improvements in the Manufacture of Lampblack
124,557. Hutchins, T. W. S. March 22, 1918. Carbon.-Lampblack is prepared by subjecting a film of tar or oil picked up by a rotating disk a or the like from a vessel b to the heat of one.or more electric arcs. The are may be formed between an electrode c and the disk, or a pair of electrodes may be...
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| creator | THOMAS WILLIAM STAINER HUTCHINS |
| description | 124,557. Hutchins, T. W. S. March 22, 1918. Carbon.-Lampblack is prepared by subjecting a film of tar or oil picked up by a rotating disk a or the like from a vessel b to the heat of one.or more electric arcs. The are may be formed between an electrode c and the disk, or a pair of electrodes may be arranged so as to project an arc on to the periphery of the disk; a magnet may be employed to blow the arc on to the disk. The apparatus is enclosed in an air-tight casing f, the gas and lampblack being drawn off through a pipe h by a fan g or the like; the lampblack is separated by a filter i, part of the gas is returned to the casing f, and the excess is drawn off, either continuously or at intervals, through a valve j. |
| format | Patent |
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Carbon.-Lampblack is prepared by subjecting a film of tar or oil picked up by a rotating disk a or the like from a vessel b to the heat of one.or more electric arcs. The are may be formed between an electrode c and the disk, or a pair of electrodes may be arranged so as to project an arc on to the periphery of the disk; a magnet may be employed to blow the arc on to the disk. 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Hutchins, T. W. S. March 22, 1918. Carbon.-Lampblack is prepared by subjecting a film of tar or oil picked up by a rotating disk a or the like from a vessel b to the heat of one.or more electric arcs. The are may be formed between an electrode c and the disk, or a pair of electrodes may be arranged so as to project an arc on to the periphery of the disk; a magnet may be employed to blow the arc on to the disk. The apparatus is enclosed in an air-tight casing f, the gas and lampblack being drawn off through a pipe h by a fan g or the like; the lampblack is separated by a filter i, part of the gas is returned to the casing f, and the excess is drawn off, either continuously or at intervals, through a valve j.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES |
| title | Improvements in the Manufacture of Lampblack |
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