FR2186034A5 - Extracting wood fibres and fibrous analogues - from wood, by high pressure treatment - Google Patents

Extracting wood fibres and fibrous analogues - from wood, by high pressure treatment

Info

Publication number
FR2186034A5
FR2186034A5 FR7218505A FR7218505A FR2186034A5 FR 2186034 A5 FR2186034 A5 FR 2186034A5 FR 7218505 A FR7218505 A FR 7218505A FR 7218505 A FR7218505 A FR 7218505A FR 2186034 A5 FR2186034 A5 FR 2186034A5
Authority
FR
France
Prior art keywords
wood
analogues
fibrous
high pressure
pressure treatment
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
FR7218505A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7218505A priority Critical patent/FR2186034A5/en
Application granted granted Critical
Publication of FR2186034A5 publication Critical patent/FR2186034A5/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

Wood impregnated with an aq. soln. of soda is compressed at a press. of a ca 300 bars in order to extract the wood fibres. Pref. the wood is compressed using a press. having >=1 perforated probes which traverse the wood mass during compression.
FR7218505A 1972-05-24 1972-05-24 Extracting wood fibres and fibrous analogues - from wood, by high pressure treatment Expired FR2186034A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7218505A FR2186034A5 (en) 1972-05-24 1972-05-24 Extracting wood fibres and fibrous analogues - from wood, by high pressure treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7218505A FR2186034A5 (en) 1972-05-24 1972-05-24 Extracting wood fibres and fibrous analogues - from wood, by high pressure treatment

Publications (1)

Publication Number Publication Date
FR2186034A5 true FR2186034A5 (en) 1974-01-04

Family

ID=9099011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7218505A Expired FR2186034A5 (en) 1972-05-24 1972-05-24 Extracting wood fibres and fibrous analogues - from wood, by high pressure treatment

Country Status (1)

Country Link
FR (1) FR2186034A5 (en)

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Legal Events

Date Code Title Description
ST Notification of lapse