US897954A - Process for making photographic copies of printed matter and the like. - Google Patents

Process for making photographic copies of printed matter and the like. Download PDF

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Publication number
US897954A
US897954A US4238560?A US897954DA US897954A US 897954 A US897954 A US 897954A US 897954D A US897954D A US 897954DA US 897954 A US897954 A US 897954A
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United States
Prior art keywords
printed matter
making photographic
paper
photographic copies
copies
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Expired - Lifetime
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US4238560?A
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Carl Von Arnhard
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Individual
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/0035—Multiple processes, e.g. applying a further resist layer on an already in a previously step, processed pattern or textured surface
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • G03C5/10—Reflex-printing; Photoprinting using fluorescent or phosphorescent means

Definitions

  • the present inventionv refers to an exten- 'sion and especial application of this process 'for the purpose of making copies of nianuscripts, printed matter, drawings/and the like, (which may be on paper e/ontaining etc. on both sides), which iorni part oi'a book, without necessitating the removal oi the page in question from the book.
  • the light sensitive paper broinid paper or the like
  • baekorunder-layer of some stiii material, suoli as cardboard, thin sheet metal, a glass ,plate or the like, is arranged under said page and the sensitized paper and page together pressed against the back with the help of a cover-plate of glass or other suitable transparent material, ln the case of paperl or pages written or printed on one ⁇ side only, ⁇
  • the color of the back or underdayer is not lfimportance, but with paper containing also printed or written matter on the rear side, it has been found advisable to use nonactinic colors (yellow, red, green or black) for the back or under-layer, or also a glass plate covered with tinfoil or a color iilter may be used.
  • This printing or copying device' consists of' a support (a) for the book, which support may be arranged on legs, and against which the book with the sensitized paper is pressed with the hel of the already mentioned glass cover p ate in conjunction with suit,- ahly arranged screw-clamps' or ⁇ the like.
  • each lower arm '(0) a rectangular metal plate (g) with rounded corners is rotatably arrangei'l; when copying from. large books this plate can be arranged. crosswise, as

Description

No. 897,954. PATENTED SEPT. 8, 1908.
= A C. VON AENHARD. A
PROCESS POR- MAKING PEOTOGEAPHIG COPIES OE' PRNTED MAT'PEE AND i THE LIKE. APPLICATION FILID MAR. 2'6, 190s.
figg. I
.f3/Em fila lo /ZLJ Wzltn/esses:
25 writing .raocsss son Melanie rnorosnarfarc cositas es rare-fran narrata .ann rim um.'
no. senese ments in Processes for Making Photographic Copies of'lrinted Matter and the Like; and l do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it Iappertains to make and use the same.
Processes for the direct attainment oil photographic negative copies from manuscripts, printed' mattei', drawings;l and the '15 like, in which a light sensitive paper is laid face to face upon the manuscript orother Inatterto be copied and then exposed to light from the back of the sensitive paper,
x are already known. The present inventionv refers to an exten- 'sion and especial application of this process 'for the purpose of making copies of nianuscripts, printed matter, drawings/and the like, (which may be on paper e/ontaining etc. on both sides), which iorni part oi'a book, without necessitating the removal oi the page in question from the book. 4For this purpose the light sensitive paper (broinid paper or the like) is placedv face downwards on the page to be copied; a
baekorunder-layer of some stiii material, suoli as cardboard, thin sheet metal, a glass ,plate or the like, is arranged under said page and the sensitized paper and page together pressed against the back with the help of a cover-plate of glass or other suitable transparent material, ln the case of paperl or pages written or printed on one `side only,`
the color of the back or underdayer is not lfimportance, but with paper containing also printed or written matter on the rear side, it has been found advisable to use nonactinic colors (yellow, red, green or black) for the back or under-layer, or also a glass plate covered with tinfoil or a color iilter may be used.
By pressing the glass cover plate tightly against the under-layer all inequalities can be removed, so that the intimate contact of the sensitized surface' with the paper orpage.
to be copied, which is necessary to secure a sharply defined copy, is insured g this is of especial' importance in the case of old and creased hooks. It is also of importance,
especially when copying Afrom old and large books, that the book cover situated below pecieaton of Letters iP-atent.
r CARL YON RNHARD, OF MUNICH, GERMANY. i i l yatented Sept. 8, i998.
`raised in the mid( le by means of a suitable pad or the like, in order to insure a better contact ofthe paper with the slightly curved cover plate. ltmust also be 4mentioned that essentially better results are attained in connection with the already known hotcgraphic process for copying from ol etchings and the like, if the underlayer, an ranged below the sensitive paper, and pressing it against the etching or other matter' to be copied, is of a nona'ctinic color (yellow, red, green, black).
lReference being had to the accompanying drawing, a device for the convenient carrying out of the process according to the pres# ent invention is shown in Figure l in a iront view and in F ig. 2 in a side view, Figs. 3 and et showing details.
This printing or copying device'consists of' a support (a) for the book, which support may be arranged on legs, and against which the book with the sensitized paper is pressed with the hel of the already mentioned glass cover p ate in conjunction with suit,- ahly arranged screw-clamps' or `the like.
.in the form of 'construction of the device shown in the accompanying drawing, the
support itself consists of a board (e) and cross-pieces (b) betweenv which the' lower arms (c) of the screw-clamps or the like (d) are situated; These lower arnis (c) may advisably be Inadesomewhat longer than the upper arms and areiitted with two rings or the like .(e) through which an iron rod (f) having an enlarged head at each end passes.
ln this way the' clamps can be conveniently adjusted at varying distances from one another, but at .the saine time always remain in a proper position for screwing down. Further, on each lower arm '(0) a rectangular metal plate (g) with rounded corners is rotatably arrangei'l; when copying from. large books this plate can be arranged. crosswise, as
seen in Fig. Il on the left, and for the purpose
US4238560?A Process for making photographic copies of printed matter and the like. Expired - Lifetime US897954A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740896A (en) * 1947-05-10 1956-04-03 Minnesota Mining & Mfg Method of using heat sensitive copying paper
US2878739A (en) * 1954-08-31 1959-03-24 Murray K Rogers Production of offset negatives and offset plates without the use of a camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740896A (en) * 1947-05-10 1956-04-03 Minnesota Mining & Mfg Method of using heat sensitive copying paper
US2878739A (en) * 1954-08-31 1959-03-24 Murray K Rogers Production of offset negatives and offset plates without the use of a camera

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