US77230A - Walter bentliy woodbury - Google Patents

Walter bentliy woodbury Download PDF

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Publication number
US77230A
US77230A US77230DA US77230A US 77230 A US77230 A US 77230A US 77230D A US77230D A US 77230DA US 77230 A US77230 A US 77230A
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paper
woodbury
walter
bentliy
relief
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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/44Watermarking devices

Description

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WALTER BENTLEY WOODBURY, LONDON, GREAT BRITAIN.

Letters Patent; No. 77,230, dated April 28, 1868.

More or rnonuonve DESIGNS or PAPER.

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TO ALL WHOM- IT MAY CONCERN:

Be it known that I, WALTER BENTLEY WOODBU RY, of London, in the county of Middlesex, Kingdom of Great Britain and Ireland, have invented certain new and improved Means of Producing Designs upon Paper;" and I do hereby declare the following to be a full, clear, and exact description thereof.

My invention is designed for the production, by pressure, from reliefs or intaglios obtained by the aid of photography, of transparent designs upon paper,'as pictures, or for trade-mark purposes, or use. water-mark on paper, (for bank-notes, checks, or other purposes,) which cannot be oounterfoited, and also, by the same means, with the interposition ofv thin paper charged with a greasy substance. to produce a design which may be transferred to stone, for printing by the ordinary lithographic process. I

Such being the nature and object of my said invention, for improved means of producing designs upon paper," I will now proceed to describe more indetail the manner in which the same is to be or may be performed or carried into practical effect.

i In carrying out my invention, a reliefis first obtained in gelatine, by the process described in the specification of Letters Patent granted to me, and 'dated at Washington, the 20th day of; February, A. D. 1866, No. 52,803, or by any other analogous means. This relief is mounted or laid on a plate of hard metal, and the paper to be impressed is rolled or passed through a. press in contact therewith, by which means the paper will be rendered transparent at those parts where it has been pressed in contact with therelief parts of the design.

' On looking at the paper by reflected-light, a positive picture will be seen, (the-transparent parts appearing darker than the surface,) but upon viewing the same by transmitted light, it will appear as a negative. It the" reverse efl'ect be desired, it will be necessary to replace the ordinary negative'by a transparent positive in the production of the gelatine reliefi. Or a metal relief-or intaglio may be obtained from the gelatine, (by pressure .or by the electrotype process,) and used with the ordinary paper machinery for producing the water-mark.-

Either line-subjects, or those bearing half tints, may be thus impressed on the paper. In the latter case,

the different amounts of pressure given to the paper by the varying heights of the relief will produce the effect of the middle tints, as well as. the extremes of light and shade. In place of using the relicfdircct, as obtained, to produce the watermark in the paper, a reverse of this relief may be obtained by means already known, and a number of casts of it may be made in gelatine on the surface of a steel or zinc plate, and when dry, these plates may be used for pressing the paper, or a sheet of highly-pressed paper may take the place of the steel. or zinc plates. i

Where the'reliefs obtained by light are used, having for their support collodion, they may be cut to any shape, and mounted on the zinc or copper plate by means of India-rubber or other varnish or cement.

It will be evident that if (while the paper is undergoing pressure in contact with the gclatinc relief) a piece of fine paper, charged with a colored greasy material, similar to the carbonized paper used for copying letters, is interposed between the relief and the sheet of unsized paper, a design bearing half-tones, accdrding to the variations of the relief, will be impressedupon the latter, which may he transferred to stone'and usedto print lithographic impressions in theordinary manner, or the image may, by the some means, be impressed at once on to the stone without transferring What I claim as my invention, -is'-' y The peculiar method, hereinbet'ore described, of producing transparent designs or water-marks upon paper from reliefs or intaglios obtained by the aid of photography, and also of producing, by the same means,.(with the interposition of paper charged with a greasy substance',) of designs, either directly upon stone, or which may be transferred on to stone, for printing by the ordinary lithographic process. 1

In testimony whereof, I have signed my name to this specification in the presence of two subscribing witnesses.

WALT-ER. B. WOODBURY.

Witnesses:

GEORGE DAVIES, F. C. MIGKLEWEIGHT.

US77230D Walter bentliy woodbury Expired - Lifetime US77230A (en)

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US77230A true US77230A (en) 1868-04-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6368455B1 (en) 2001-05-31 2002-04-09 Appleton Papers Inc. Method for making security paper
US20090156980A1 (en) * 2005-04-04 2009-06-18 Sinexus, Inc. Device and methods for treating paranasal sinus conditions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6582556B2 (en) 1998-12-31 2003-06-24 Appleton Papers Inc. Security paper and methods for production thereof
US6368455B1 (en) 2001-05-31 2002-04-09 Appleton Papers Inc. Method for making security paper
US6531032B2 (en) 2001-05-31 2003-03-11 Appleton Papers Inc. Security paper
US20090156980A1 (en) * 2005-04-04 2009-06-18 Sinexus, Inc. Device and methods for treating paranasal sinus conditions

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