GB698648A - Improvements in or relating to method for imprinting coatings on paper and paper board - Google Patents
Improvements in or relating to method for imprinting coatings on paper and paper boardInfo
- Publication number
- GB698648A GB698648A GB22489/51A GB2248951A GB698648A GB 698648 A GB698648 A GB 698648A GB 22489/51 A GB22489/51 A GB 22489/51A GB 2248951 A GB2248951 A GB 2248951A GB 698648 A GB698648 A GB 698648A
- Authority
- GB
- United Kingdom
- Prior art keywords
- paper
- rolls
- board
- coatings
- impression
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
- D21H23/72—Plural serial stages only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/0005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating
- D21H5/005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating involving several different techniques of application
- D21H5/0052—Plural serial stages
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
Landscapes
- Paper (AREA)
Abstract
698,648. Mineral-coated paper and paper-board. CONSOLIDATED WATER POWER & PAPER CO. Sept. 26, 1951. No. 22489/51. Class 96. Paper-board 2 e.g. 0.02ins. thick, from the last roll 1 of the dryer section of a paper-making machine passes to a breaker-calender stack 3 at which one or more water-boxes (not shown) apply to rolls 4 a watersolution of e.g. converted starch, polyvinyl alcohol, polyacrylic acid, cart oxy-methyl or hydroxyethyl cellulose, the paper-board surface being then plastically worked and being then coated at 7 e.g. with clay, converted starch, and a little titanium dioxide, excess being doctored off at 8 and a second coating, e.g. of the same composition applied from gate rolls 13, applicator rolls 9, and impression rolls 5, the total thickness of the two coatings being e.g. less than 0.001in. The web is then dried by heated rolls 10 and by hot air from a hood 12, and is then calendered at 11. In a modified method, both applications of mineral coating mixture are made by impression and applicator rolls from a single pair of gate rolls.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US294034XA | 1950-08-12 | 1950-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB698648A true GB698648A (en) | 1953-10-21 |
Family
ID=21848820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22489/51A Expired GB698648A (en) | 1950-08-12 | 1951-09-26 | Improvements in or relating to method for imprinting coatings on paper and paper board |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH294034A (en) |
FR (1) | FR1048578A (en) |
GB (1) | GB698648A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3772931A (en) * | 1972-04-05 | 1973-11-20 | Dynaloc Corp | Self centering pulley system for thin film material |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3080847A (en) * | 1959-10-21 | 1963-03-12 | Beloit Iron Works | Web coating and doctoring apparatus |
-
1951
- 1951-07-31 CH CH294034D patent/CH294034A/en unknown
- 1951-09-26 GB GB22489/51A patent/GB698648A/en not_active Expired
- 1951-10-08 FR FR1048578D patent/FR1048578A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3772931A (en) * | 1972-04-05 | 1973-11-20 | Dynaloc Corp | Self centering pulley system for thin film material |
Also Published As
Publication number | Publication date |
---|---|
CH294034A (en) | 1953-10-31 |
FR1048578A (en) | 1953-12-22 |
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