GB416960A - An improved method of making duplicating forms - Google Patents
An improved method of making duplicating formsInfo
- Publication number
- GB416960A GB416960A GB32142/33A GB3214233A GB416960A GB 416960 A GB416960 A GB 416960A GB 32142/33 A GB32142/33 A GB 32142/33A GB 3214233 A GB3214233 A GB 3214233A GB 416960 A GB416960 A GB 416960A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- ink
- printing
- coating
- duplicating
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
- B41L1/00—Devices for performing operations in connection with manifolding by means of pressure-sensitive layers or intermediaries, e.g. carbons; Accessories for manifolding purposes
Landscapes
- Printing Methods (AREA)
Abstract
416,960. Carbon papers. WILHELM, O., 15, Moltkestrasse, Heidelberg, Germany. Nov. 17, 1933, No. 32142. Convention date, Nov. 17, 1932. [Class 100 (iv).] Duplicating forms are first printed, then provided with a coating of duplicating ink by a printing process, and lastly with a second coating of ink, applied by spreading, preferably by means of an expansion cylinder. The paper 2, Fig. 1, is printed by couples 3, 4 and then passes between an impression cylinder 5 and a printing-cylinder 6 which prints in duplicating ink from a trough 7 the symbols 10, 11, Fig. 3, and the shaded area. The paper then passes over a cylinder 8 which can be expanded so as to have a greater peripheral speed than the web and is adapted to spread a second layer of ink over the shaded area and slightly less in extent than the first, thus producing a coating with sharp edges, due to the printing process, but which is over most of its area of uniform thickness, due to the spreading process. The symbols 10, 11 are intended to be transferred by rubbing. The preliminary printing may be effected by the cylinder 5 which may be an intaglio, offset, or relief printing-cylinder. The form plates on the cylinders 6, 8 may be arranged to have grains of different coarseness according to the amount of ink to be applied. The cylinders 6, 8 and the trough 7 may be heated, and the cylinder 5 and a cylinder 9 may be cooled.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE416960X | 1932-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB416960A true GB416960A (en) | 1934-09-25 |
Family
ID=6448651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32142/33A Expired GB416960A (en) | 1932-11-17 | 1933-11-17 | An improved method of making duplicating forms |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB416960A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2456495A (en) * | 1945-08-01 | 1948-12-14 | Time Inc | Coating machine |
| US2555536A (en) * | 1945-08-01 | 1951-06-05 | Time Inc | Method of coating continuous webs of paper or the like |
| US3239367A (en) * | 1962-02-19 | 1966-03-08 | Demeter Jozsef | Method and apparatus for producing plastic coated carriers |
-
1933
- 1933-11-17 GB GB32142/33A patent/GB416960A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2456495A (en) * | 1945-08-01 | 1948-12-14 | Time Inc | Coating machine |
| US2555536A (en) * | 1945-08-01 | 1951-06-05 | Time Inc | Method of coating continuous webs of paper or the like |
| US3239367A (en) * | 1962-02-19 | 1966-03-08 | Demeter Jozsef | Method and apparatus for producing plastic coated carriers |
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