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SE424835B - Maskin for att behandla lignocellulosahaltiga skivmaterial med gasformiga emnen - Google Patents

Maskin for att behandla lignocellulosahaltiga skivmaterial med gasformiga emnen

Info

Publication number
SE424835B
SE424835B SE7807641A SE7807641A SE424835B SE 424835 B SE424835 B SE 424835B SE 7807641 A SE7807641 A SE 7807641A SE 7807641 A SE7807641 A SE 7807641A SE 424835 B SE424835 B SE 424835B
Authority
SE
Sweden
Prior art keywords
negative pressure
machine
zone
sheet material
treating
Prior art date
Application number
SE7807641A
Other languages
English (en)
Swedish (sv)
Other versions
SE7807641L (sv
Inventor
O Smedberg
K Larsson
Original Assignee
Ry Ab
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 Ry Ab filed Critical Ry Ab
Priority to SE7807641A priority Critical patent/SE424835B/sv
Priority to NLAANVRAGE7904937,A priority patent/NL185789C/xx
Priority to CH620679A priority patent/CH641404A5/de
Priority to DE19792927055 priority patent/DE2927055A1/de
Priority to CA331,089A priority patent/CA1128743A/en
Priority to AT0466979A priority patent/AT373202B/de
Priority to BE0/196167A priority patent/BE877529A/xx
Priority to US06/055,958 priority patent/US4255102A/en
Publication of SE7807641L publication Critical patent/SE7807641L/
Publication of SE424835B publication Critical patent/SE424835B/sv

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J1/00—Fibreboard
    • D21J1/10—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Paper (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Treating Waste Gases (AREA)
SE7807641A 1978-07-07 1978-07-07 Maskin for att behandla lignocellulosahaltiga skivmaterial med gasformiga emnen SE424835B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7807641A SE424835B (sv) 1978-07-07 1978-07-07 Maskin for att behandla lignocellulosahaltiga skivmaterial med gasformiga emnen
NLAANVRAGE7904937,A NL185789C (nl) 1978-07-07 1979-06-25 Inrichting voor het continu verwijderen van een overschot aan formaldehyde uit spaanplaten.
CH620679A CH641404A5 (de) 1978-07-07 1979-07-03 Vorrichtung zum kontinuierlichen entfernen von formaldehydueberschuss aus spanplatten.
DE19792927055 DE2927055A1 (de) 1978-07-07 1979-07-04 Maschine zur behandlung von lignozellulosehaltigen plattenmaterialien mit gasfoermigen stoffen
CA331,089A CA1128743A (en) 1978-07-07 1979-07-04 Machine for treatment of lignocellulose containing board materials with gaseous agents
AT0466979A AT373202B (de) 1978-07-07 1979-07-04 Anordnung zum kontinuierlichen entfernen von formaldehydueberschuss aus spanplatten
BE0/196167A BE877529A (fr) 1978-07-07 1979-07-06 Machine pour le traitement, au moyen d'agents gazeux, de produits de carton contenant de la liprocellulose
US06/055,958 US4255102A (en) 1978-07-07 1979-07-09 Machine for treatment of lignocellulose containing board materials with gaseous agents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7807641A SE424835B (sv) 1978-07-07 1978-07-07 Maskin for att behandla lignocellulosahaltiga skivmaterial med gasformiga emnen

Publications (2)

Publication Number Publication Date
SE7807641L SE7807641L (sv) 1980-01-08
SE424835B true SE424835B (sv) 1982-08-16

Family

ID=20335402

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7807641A SE424835B (sv) 1978-07-07 1978-07-07 Maskin for att behandla lignocellulosahaltiga skivmaterial med gasformiga emnen

Country Status (8)

Country Link
US (1) US4255102A (fi)
AT (1) AT373202B (fi)
BE (1) BE877529A (fi)
CA (1) CA1128743A (fi)
CH (1) CH641404A5 (fi)
DE (1) DE2927055A1 (fi)
NL (1) NL185789C (fi)
SE (1) SE424835B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678686A (en) * 1986-04-15 1987-07-07 Park David W Treatment of formaldehyde-containing wood panel products
FI971899A (fi) 1997-05-02 1998-11-03 Sunds Defibrator Panelhandling Menetelmä ja laitteisto levymäisen materiaalin käsittelemiseksi kaasum aisella aineella
US7989367B2 (en) * 2006-06-30 2011-08-02 Georgia-Pacific Chemicals Llc Reducing formaldehyde emissions from fiberglass insulation
US20070287018A1 (en) * 2006-06-09 2007-12-13 Georgia-Pacific Resins, Inc. Fibrous mats having reduced formaldehyde emissions
US20080233333A1 (en) * 2007-03-21 2008-09-25 Georgia-Pacific Chemicals Llc Fibrous products having reduced formaldehyde emissions
US20080233334A1 (en) * 2007-03-21 2008-09-25 Georgia-Pacific Chemicals Llc Fibrous products having reduced formaldehyde emissions
US8173219B2 (en) * 2006-06-09 2012-05-08 Georgia-Pacific Chemicals Llc Porous fiberglass materials having reduced formaldehyde emissions
US8043383B2 (en) * 2006-06-30 2011-10-25 Georgia-Pacific Chemicals Llc Reducing formaldehyde emissions
TWI458871B (zh) * 2007-06-25 2014-11-01 Georgia Pacific Chemicals Llc 用於降低甲醛自玻璃纖維絕緣產物發散之方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1877047A (en) * 1930-11-20 1932-09-13 Soundex Corp Method of and means for making slabs
DE867949C (de) * 1943-05-23 1953-02-23 Norddeutsche Homogenholz Ges M Verfahren und Einrichtung zum Trocknen und Aushaerten von Faserstofformkoerpern
US3008205A (en) * 1958-09-19 1961-11-14 Gen Motors Corp Shell type molds and cores
US3230287A (en) * 1962-09-27 1966-01-18 Weyerhaeuser Co Process for manufacturing moldable fibrous panels
US3832107A (en) * 1973-06-29 1974-08-27 United Aircraft Corp Apparatus for making articles from particulate matter
CA1075140A (en) * 1976-09-23 1980-04-08 Donald W. Nyberg Method and apparatus for consolidating particle board
SE403893C (sv) * 1977-02-03 1984-10-29 Ry Ab Sett att befria spanskivor fran formaldehyd genom behandling med ammoniak uder bildning av hexametylentetraamin

Also Published As

Publication number Publication date
NL7904937A (nl) 1980-01-09
CH641404A5 (de) 1984-02-29
CA1128743A (en) 1982-08-03
US4255102A (en) 1981-03-10
ATA466979A (de) 1983-05-15
SE7807641L (sv) 1980-01-08
AT373202B (de) 1983-12-27
NL185789C (nl) 1990-07-16
DE2927055A1 (de) 1980-01-17
DE2927055C2 (fi) 1991-01-17
NL185789B (nl) 1990-02-16
BE877529A (fr) 1979-11-05

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