US1863976A - Lithographic or offset printing plate - Google Patents

Lithographic or offset printing plate Download PDF

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Publication number
US1863976A
US1863976A US414570A US41457029A US1863976A US 1863976 A US1863976 A US 1863976A US 414570 A US414570 A US 414570A US 41457029 A US41457029 A US 41457029A US 1863976 A US1863976 A US 1863976A
Authority
US
United States
Prior art keywords
printing plate
lithographic
offset printing
graining
grained
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 - Lifetime
Application number
US414570A
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English (en)
Inventor
Fischer Ferdinand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US1863976A publication Critical patent/US1863976A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
    • E03B3/08—Obtaining and confining water by means of wells
    • E03B3/16—Component parts of wells
    • E03B3/18—Well filters
    • E03B3/20—Well filters of elements of special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/04—Graining or abrasion by mechanical means

Definitions

  • the graining is imparted to the printing plate by a pressing or rolling impression of a grained working surface.
  • a printing plate of mouldable material thus receives a surface grain effect dependent upon the grain of the workin surface.
  • the graining may also be effected, clearly defined locally, only on certain parts of the printing plate and the -graining only takes a minimum amount of time and is much cheaper than all the methods hitherto customary.
  • a level grained surface may be used which is applied by stamping or pressin or a suitable roller may be used which rol sits grain on.
  • the graining of the printing plate can be effected on one or both sides. The latter method is particularly adopted in the case of thin printing sheets of office machines (see German Patents 204,517 and 410,168), the graining being used to impart a better hold for the glue (or size) of printing-plates coated at the back with paper or the like.
  • similarly acting materials such as celluloid, varnished surfaces and the like may also be applied to the grained rear side.
  • FIG. 1 and 2 are respectively perspective views of different forms of the invention.
  • a long web or ribbon of extremely thin lithographic metal is shown at 1, together with a base plate or lower die 2.
  • the upper die 3 is preferably provided with a -grained or roughened surface 4. Now if the die 3 is depressed upon the web 1 periodically, grained surfaces 7 are formed upon the web 1. Obviously, if the lower die 2 is also provided with a grained or roughened surface, corresponding grained surfaces 7 will also be formed on the back face of the web 1.
  • Fig. 2 is almost identical with Fig. 1 except that the dies 2 and 3 are replaced by rollers 5 and 6.
  • ⁇ Vhat I claim is 1.
  • the step of graining the face and the back of the plate by a pressing action producing a large number of depressions simultaneously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
US414570A 1928-12-24 1929-12-16 Lithographic or offset printing plate Expired - Lifetime US1863976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE342837X 1928-12-24

Publications (1)

Publication Number Publication Date
US1863976A true US1863976A (en) 1932-06-21

Family

ID=6242121

Family Applications (1)

Application Number Title Priority Date Filing Date
US414570A Expired - Lifetime US1863976A (en) 1928-12-24 1929-12-16 Lithographic or offset printing plate

Country Status (5)

Country Link
US (1) US1863976A (enrdf_load_stackoverflow)
BE (1) BE365908A (enrdf_load_stackoverflow)
FR (1) FR685601A (enrdf_load_stackoverflow)
GB (1) GB342837A (enrdf_load_stackoverflow)
NL (1) NL49521C (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534588A (en) * 1946-08-19 1950-12-19 Warren S D Co Paper base planographic printing plate
US3044202A (en) * 1954-05-20 1962-07-17 Lindmark Johan Gunnar Half-tone color prints
US3223032A (en) * 1963-10-04 1965-12-14 Hercules Powder Co Ltd Graining process
US3651759A (en) * 1966-03-31 1972-03-28 Gerhard Ritzerfeld Printing forms

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891443A (en) * 1973-02-01 1975-06-24 Polychrome Corp Mat finish photosensitive relief plates
AT356145B (de) * 1977-07-25 1980-04-10 Teich Ag Folienwalzwerk Verfahren zur herstellung von grundmaterial fuer offsetdruckplatten
JP3066685B2 (ja) * 1992-06-11 2000-07-17 富士写真フイルム株式会社 平版印刷版用支持体の製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534588A (en) * 1946-08-19 1950-12-19 Warren S D Co Paper base planographic printing plate
US3044202A (en) * 1954-05-20 1962-07-17 Lindmark Johan Gunnar Half-tone color prints
US3223032A (en) * 1963-10-04 1965-12-14 Hercules Powder Co Ltd Graining process
US3651759A (en) * 1966-03-31 1972-03-28 Gerhard Ritzerfeld Printing forms

Also Published As

Publication number Publication date
NL49521C (enrdf_load_stackoverflow)
BE365908A (enrdf_load_stackoverflow)
FR685601A (fr) 1930-07-12
GB342837A (en) 1931-02-12

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