Patents for inventions. Abridgments of specifications

Paperback | July 8, 2012

byPatent Office

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1858 edition. Excerpt: ...--The mode described of employing nitric acid in manufacturing pulp from woods reduced to shavings; these woods may be pine, beech, ash, elm. Printed, 4d. See Repertory of Arts, vol. 21 (enlarged series), p 109-London Journal (Newton's), vol. 41 (conjoinedseries), p. 338; Mechanics' Magazine, vol. 57, p. 198. A.D. 1852, May 1.--N 14,112. SIEBE, Augustus.--"Improvements in machinery for manu-" facturing paper;" and these consist as follows:-First.--Constructing " a sieve or pulp strainer formed by rings;" these rings are held together by vertical rods, and in order to form passages for the pulp between the several rings, thin collars or washers are to be put upon all the vertical rods between the rings before they are screwed up tight. On the thickness of these washers depend the width of the spaces, and consequently the fineness or otherwise of the sieve. Second.--The above sieve or pulp strainer with vibratory fans with vanes, by the movements of which the pulp will be driven by centrifugal force through the narrow spaces between the rings. Third.--Employing "endless metallic bands, between which " paper may be passed under pressing rollers to be pressed or " glazed." Printed, l0d. See London Journal (Newton's), vol42 (conjoined series' p. 96; Mechanics'Magazine, vol. 57, p. 415. ' ' A.D. 1852, May 22.--N 14,131. BROWN, John Harcourt, and MACINTOSH, John.--"Im-" provements in the manufacture of paper and articles of paper;" and these consist in the modes described of manufacturing paper and articles of paper, whereby hollow moulds or frames with permeable surfaces are employed, and within which moulds or frames a partial vacuum is obtained when making paper and articles of paper. For instance, a conical form or mould for making paper of a...

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1858 edition. Excerpt: ...--The mode described of employing nitric acid in manufacturing pulp from woods reduced to shavings; these woods may be ...

Format:PaperbackDimensions:64 pages, 9.69 × 7.44 × 0.13 inPublished:July 8, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217247326

ISBN - 13:9780217247320

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