GB378024A - Improvements in manufacture of paper filled with alkaline filler - Google Patents

Improvements in manufacture of paper filled with alkaline filler

Info

Publication number
GB378024A
GB378024A GB12920/31A GB1292031A GB378024A GB 378024 A GB378024 A GB 378024A GB 12920/31 A GB12920/31 A GB 12920/31A GB 1292031 A GB1292031 A GB 1292031A GB 378024 A GB378024 A GB 378024A
Authority
GB
United Kingdom
Prior art keywords
alum
size
added
filler
alkaline filler
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
Application number
GB12920/31A
Other languages
English (en)
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.)
Raffold International Corp
Original Assignee
Raffold International Corp
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 Raffold International Corp filed Critical Raffold International Corp
Priority to FR716420D priority Critical patent/FR716420A/fr
Priority to GB12920/31A priority patent/GB378024A/en
Priority to BE379557D priority patent/BE379557A/xx
Publication of GB378024A publication Critical patent/GB378024A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/60Waxes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675Oxides, hydroxides or carbonates
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06Controlling the addition
    • D21H23/14Controlling the addition by selecting point of addition or time of contact between components
    • D21H23/18Addition at a location where shear forces are avoided before sheet-forming, e.g. after pulp beating or refining

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
GB12920/31A 1931-05-01 1931-05-01 Improvements in manufacture of paper filled with alkaline filler Expired GB378024A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR716420D FR716420A (fr) 1931-05-01 1931-05-01 Perfectionnements à la fabrication du papier
GB12920/31A GB378024A (en) 1931-05-01 1931-05-01 Improvements in manufacture of paper filled with alkaline filler
BE379557D BE379557A (en:Method) 1931-05-01 1931-05-04

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR716420T 1931-05-01
GB12920/31A GB378024A (en) 1931-05-01 1931-05-01 Improvements in manufacture of paper filled with alkaline filler

Publications (1)

Publication Number Publication Date
GB378024A true GB378024A (en) 1932-08-02

Family

ID=10013553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12920/31A Expired GB378024A (en) 1931-05-01 1931-05-01 Improvements in manufacture of paper filled with alkaline filler

Country Status (3)

Country Link
BE (1) BE379557A (en:Method)
FR (1) FR716420A (en:Method)
GB (1) GB378024A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292158A (en) * 1994-07-26 1996-02-14 Roe Lee Paper Chemicals Compan Method of sizing paper
US7234857B2 (en) * 1998-02-26 2007-06-26 Wetend Technologies Oy Method and apparatus for feeding a chemical into a liquid flow

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292158A (en) * 1994-07-26 1996-02-14 Roe Lee Paper Chemicals Compan Method of sizing paper
GB2292158B (en) * 1994-07-26 1998-12-09 Roe Lee Paper Chemicals Compan Sizing method
US7234857B2 (en) * 1998-02-26 2007-06-26 Wetend Technologies Oy Method and apparatus for feeding a chemical into a liquid flow
US7758725B2 (en) 1998-02-26 2010-07-20 Wetend Technologies Oy Method of mixing a paper making chemical into a fiber suspension flow

Also Published As

Publication number Publication date
BE379557A (en:Method) 1931-06-30
FR716420A (fr) 1931-12-21

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