SE326888B - - Google Patents

Info

Publication number
SE326888B
SE326888B SE07557/67A SE755767A SE326888B SE 326888 B SE326888 B SE 326888B SE 07557/67 A SE07557/67 A SE 07557/67A SE 755767 A SE755767 A SE 755767A SE 326888 B SE326888 B SE 326888B
Authority
SE
Sweden
Prior art keywords
foam
regards
surfactant
foamed
furnish
Prior art date
Application number
SE07557/67A
Inventor
A Gatward
B Radvan
Original Assignee
Wiggins Teape Res Dev
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 Wiggins Teape Res Dev filed Critical Wiggins Teape Res Dev
Publication of SE326888B publication Critical patent/SE326888B/xx

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/002—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by using a foamed suspension

Landscapes

  • Paper (AREA)
  • Edible Seaweed (AREA)

Abstract

Improvements are afforded in method and apparatus for making non-woven fibrous webs including paper from a foamed aqueous furnish containing a surfactant in that the foam acquires and has imparted thereto physical characteristics as regards attainment of such a highly emulsified state that the bubbles are scarcely visible to the naked eye, as regards viscosity build-up of the foam to at least 22 seconds as measured with a Ford Cup Type B-4 and as regards the specific gravity being no greater than 0.35. Other improvements pertain to vortical mixing in the production of the foam, to combining the method and apparatus with conventional methods and apparatus and to handling the surfactant-containing water when in the foamed furnish and likewise as drained from the formed web.
SE07557/67A 1966-05-31 1967-05-30 SE326888B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24125/66A GB1129757A (en) 1966-05-31 1966-05-31 Method of producing a thixotropic liquid suspending medium particularly for the forming of non-woven fibrous webs

Publications (1)

Publication Number Publication Date
SE326888B true SE326888B (en) 1970-08-03

Family

ID=10206801

Family Applications (1)

Application Number Title Priority Date Filing Date
SE07557/67A SE326888B (en) 1966-05-31 1967-05-30

Country Status (11)

Country Link
US (1) US3716449A (en)
AT (1) AT288152B (en)
BE (1) BE699159A (en)
DE (1) DE1696278A1 (en)
DK (1) DK123785B (en)
ES (1) ES341080A1 (en)
FI (1) FI51851C (en)
GB (1) GB1129757A (en)
NL (1) NL152037B (en)
NO (1) NO131735C (en)
SE (1) SE326888B (en)

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Also Published As

Publication number Publication date
NL6707589A (en) 1967-12-01
ES341080A1 (en) 1968-06-16
DK123785B (en) 1972-07-31
US3716449A (en) 1973-02-13
NL152037B (en) 1977-01-17
NO131735B (en) 1975-04-07
GB1129757A (en) 1968-10-09
BE699159A (en) 1967-11-29
DE1696278A1 (en) 1972-01-05
FI51851B (en) 1976-12-31
AT288152B (en) 1971-02-25
NO131735C (en) 1975-07-16
FI51851C (en) 1977-04-12

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