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
Application number
NL27355A
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 filed Critical
Application granted granted Critical
Publication of NL19940C publication Critical patent/NL19940C/xx

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
NL27355A 1924-03-28 1924-06-12 NL19940C (ja)

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 (ja) 1925-05-15

Family

ID=24821393

Family Applications (1)

Application Number Title Priority Date Filing Date
NL27355A NL19940C (ja) 1924-03-28 1924-06-12

Country Status (4)

Country Link
US (1) US1616903A (ja)
DE (1) DE447505C (ja)
FR (1) FR582646A (ja)
NL (1) NL19940C (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR582646A (fr) 1924-12-23
US1616903A (en) 1927-02-08
DE447505C (de) 1927-08-01

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