NL19940C - - Google Patents
Info
- Publication number
- NL19940C NL19940C NL27355A NL27355A NL19940C NL 19940 C NL19940 C NL 19940C NL 27355 A NL27355 A NL 27355A NL 27355 A NL27355 A NL 27355A NL 19940 C NL19940 C NL 19940C
- Authority
- NL
- Netherlands
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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US702482A US1616903A (en) | 1924-03-28 | 1924-03-28 | Process and apparatus for making paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL19940C true NL19940C (pm) | 1925-05-15 |
Family
ID=24821393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27355A NL19940C (pm) | 1924-03-28 | 1924-06-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1616903A (pm) |
| DE (1) | DE447505C (pm) |
| FR (1) | FR582646A (pm) |
| NL (1) | NL19940C (pm) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2622491A (en) * | 1948-10-04 | 1952-12-23 | Patent & Licensing Corp | Process of making multiply waterproofed sheets |
| DE969156C (de) * | 1953-11-17 | 1958-05-08 | Josef Will | Verfahren und Vorrichtung zur Herstellung von mehrlagigen Papieren, Kartons oder Pappen |
-
1924
- 1924-03-28 US US702482A patent/US1616903A/en not_active Expired - Lifetime
- 1924-06-10 DE DEK89872D patent/DE447505C/de not_active Expired
- 1924-06-11 FR FR582646D patent/FR582646A/fr not_active Expired
- 1924-06-12 NL NL27355A patent/NL19940C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE447505C (de) | 1927-08-01 |
| FR582646A (fr) | 1924-12-23 |
| US1616903A (en) | 1927-02-08 |