USRE20534E - Graphic paper - Google Patents

Graphic paper Download PDF

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Publication number
USRE20534E
USRE20534E US20534DE USRE20534E US RE20534 E USRE20534 E US RE20534E US 20534D E US20534D E US 20534DE US RE20534 E USRE20534 E US RE20534E
Authority
US
United States
Prior art keywords
paper
sheet
backing
metal foil
edges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
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English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Application granted granted Critical
Publication of USRE20534E publication Critical patent/USRE20534E/en
Expired legal-status Critical Current

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Classifications

    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/765—Photosensitive materials characterised by the base or auxiliary layers characterised by the shape of the base, e.g. arrangement of perforations, jags
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/77—Photosensitive materials characterised by the base or auxiliary layers the base being of metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/16—Two dimensionally sectional layer
    • Y10T428/163—Next to unitary web or sheet of equal or greater extent
    • Y10T428/164—Continuous two dimensionally sectional layer
    • Y10T428/167—Cellulosic sections [e.g., parquet floor, etc.]

Definitions

  • This invention relates to graphic paper, this term being used in a. broad sense to indicate paper of the type commonly referred to as photographic paper on which drawings and images are produced or reproduced photographically, and paper of the class commonly referred to as drawing paper on which drawings are made byA draftsmen and artists in pencil and ink and the like.
  • 'I'he invention relates more particularly to -photographic paper such as is used for making kblue prints or similar photographic reproductions, and to drawing paper of the kind customarily used for making construction or shop drawings.
  • Fig. 1 is a cross-sectional view of the novel graphic paper in one form
  • Fig. 2 is a face view thereof with parts broken away
  • Fig. 3 is a longitudinal section through Fig. 2.
  • the graphic paper in the form illustrated, consists of an outer sheet c, a backing of metalfoil a-b secured to the one surface of said sheet c, and an outer sheet d fastened to the rear surface of said backing of metal foil a-b, as shown in Fig. 1.
  • the sheet c constitutes photographic paper of the type exemplified -by the Customary blue print paper or the like, while the backing of meta1.foil a-b is constructed of aluminum; in such casethe outer sheet d constitutes a protective layer or sheet which serves to protect the aluminum ⁇ foil backing d b against decomposition if the photographic print is developed by means of an acid or salt.
  • the protecting sheet d may be omitted, in which case, the graphic paper will simply consist of the sheet c of photographic paper and the backingl of metal foil a-b. 'I'he latter may be applied to the Vsheets c and d by a process of hard rolling and in some forms the sheet d"may be secured to said metal backing -b by means of a suitable paste.
  • the outer sheet d may be a'sheet of drawing paper to one surface of which lthe backing of metal foil a-b may be fastened in any convenient manner as by pasting.
  • the sheet c may be omitted or included as part of the graphic paper in a form other than photographic paper. If the sheet d constitutes a sheet ofdrawing paper, drawings may be made thereon in -any customary (Cl. 95-8) r manner by means of pencil and drawing ink and erasures may be made thereon inthe usual way.
  • the sections of metalfoil ⁇ w---b have their contiguous edges in engagement with each other along a line other than a line continuously straight throughout the length of said contiguous edges.
  • the abutting edges of the' sections a and b are of undulating conformation or more specifically of wave-shaped or dovetail form as shown in f; in other words, the aforesaid contiguous edges of the sections .a and b lie in engagement with each other along a line extending alternately to opposite sides of a median line throughoutthe length'of said edges, it being understood that the specific conformation of the line along which the sections a and b 'engage each other in Fig. 2 may be varied in, any way within the scope of the aforesaid terminology.
  • said wave-shaped edges f may be in the form of sine-curves of any desired amplitude, that is to say, said edges are not necessarily of the specific serpentine shape shown in the drawing.
  • ed'ges f of the form of a sine or similar curve 'the curve may also be more flattened or more pointed than as shown.
  • the arrangement of metal backing as illustrated and described has the greatA advantage that it permits the backing to be applied eillciently to graphic paper of any dimensions, by placing a plurality of metal sheets or layers, which individually have a limited width, side by Aside with their wave-shaped edges f or their equivalent abutting; this also makes it possible to make drawing templets for work pieces oi any desired size.
  • Fig. 2 designates a drawing of an angle-iron with holes, it being understood that this illustration is merely an example; the single points at which the lines of the drawing of this angle-iron g intersect the wave-shaped or equivalent line along which the adjacent edges of the sections a and b of the metal foil engage each .other are indicated at h, )L2-hz, h3, and h4. It will be noted that the angles of intersection between the lines of the drawing g and the lines f along which the sections a and b engage each other are all approximately right angles with the result that during the process of copying, the drawing cannot be distorted by warping or the like.
  • a sheet of opaque photographic paper a backing of metal foil permanently secured to the rear surface of said sheet of photographic paper throughout its area, and a protective layer fastened to the rear surface of said backing of metal foil.
  • a sheet of photographic paper a backing of metal foil se-l cured to the rear surface of said sheet of photographic paper, said backing of metal foil consisting of a pliu'ality of sections having their contiguous edges in engagement 'with each other along a line extending alternately to opposite sides of .a median line throughout the length of said contiguous edges, and a protective layer fastened to the rear surface of said backing of metal foil.
  • a sheet of opaque photographic paper a backing of metal foil permanently secured to the rear surface of said sheet of photographic paper throughout its area
  • said backing of metal foil consisting of a plurality of sections having their contiguous edges in engagement with each other throughout the length of said contiguous edges along a line pro-- 'protective sheet of paper permanently secured to the rear' surface of said backingf'of metal foil throughout its area to form a three layer paper which remains at regardless of temperature or moisture conditions, said sheetpfopaque'graphic f paperbeing light sensitized.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
US20534D 1930-07-13 Graphic paper Expired USRE20534E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE549484T 1930-07-13

Publications (1)

Publication Number Publication Date
USRE20534E true USRE20534E (en) 1937-10-19

Family

ID=34428022

Family Applications (1)

Application Number Title Priority Date Filing Date
US20534D Expired USRE20534E (en) 1930-07-13 Graphic paper

Country Status (4)

Country Link
US (1) USRE20534E (en(2012))
BE (1) BE381289A (en(2012))
DE (1) DE549484C (en(2012))
FR (1) FR719979A (en(2012))

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506915A (en) * 1946-11-06 1950-05-09 Fraser Products Company Binding strip joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506915A (en) * 1946-11-06 1950-05-09 Fraser Products Company Binding strip joint

Also Published As

Publication number Publication date
DE549484C (de) 1932-04-28
FR719979A (fr) 1932-02-13
BE381289A (en(2012))

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