DE3671403D1 - Verfahren zur verdichtung von hoelzern mit niedriger dichte. - Google Patents
Verfahren zur verdichtung von hoelzern mit niedriger dichte.Info
- Publication number
- DE3671403D1 DE3671403D1 DE8686301862T DE3671403T DE3671403D1 DE 3671403 D1 DE3671403 D1 DE 3671403D1 DE 8686301862 T DE8686301862 T DE 8686301862T DE 3671403 T DE3671403 T DE 3671403T DE 3671403 D1 DE3671403 D1 DE 3671403D1
- Authority
- DE
- Germany
- Prior art keywords
- wood
- ammonia
- moisture content
- densified
- low density
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K1/00—Damping wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000476650A CA1236255A (en) | 1985-03-15 | 1985-03-15 | Process for densifying low density woods |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3671403D1 true DE3671403D1 (de) | 1990-06-28 |
Family
ID=4130037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686301862T Expired - Lifetime DE3671403D1 (de) | 1985-03-15 | 1986-03-14 | Verfahren zur verdichtung von hoelzern mit niedriger dichte. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0197674B1 (de) |
AT (1) | ATE52958T1 (de) |
CA (1) | CA1236255A (de) |
DE (1) | DE3671403D1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2658750A1 (fr) * | 1990-02-26 | 1991-08-30 | Ober Ind | Procede de fabrication, partant de bois massif ou de placage, scie, tranche ou deroule, de panneaux densifies et durs. |
GB2265915A (en) * | 1992-04-04 | 1993-10-13 | Woodform Design Limited | Bending and shaping MDF |
GB2265914A (en) * | 1992-04-04 | 1993-10-13 | Hoffman Thornwood Plc | Method of plasticising medium density fibre board |
EP0623433B1 (de) * | 1993-04-29 | 1996-08-28 | Shell Internationale Researchmaatschappij B.V. | Verfahren zur Verbesserung von Holz niedriger Qualität |
FR2796586B1 (fr) | 1999-07-20 | 2001-10-12 | Frederic Voisin | Procede et dispositif de compression, cintrage et jointage de douelles pour fabriquer des futs ou des barriques |
CZ304024B6 (cs) * | 2008-12-02 | 2013-08-28 | Mendelova zemedelská a lesnická univerzita v Brne | Zpusob rovnomerného plosného zhustování dreva, zejména smrkového |
SE534884C2 (sv) * | 2010-04-28 | 2012-01-31 | Mb Aedeltrae Ab | Metod för behandling av en skiva samt ett skivelement |
JP6530865B2 (ja) * | 2016-07-01 | 2019-06-12 | 公立大学法人北九州市立大学 | 集成材の製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3282313A (en) * | 1964-11-24 | 1966-11-01 | Research Corp | Method of forming wood and formed wood product |
FI43008B (de) * | 1969-06-10 | 1970-09-02 | Neste Oy | |
AT326339B (de) * | 1971-09-14 | 1975-12-10 | Inst Khim Drevesiny Akademii N | Verfahren zum verdichten von vollholz |
-
1985
- 1985-03-15 CA CA000476650A patent/CA1236255A/en not_active Expired
-
1986
- 1986-03-14 AT AT86301862T patent/ATE52958T1/de not_active IP Right Cessation
- 1986-03-14 DE DE8686301862T patent/DE3671403D1/de not_active Expired - Lifetime
- 1986-03-14 EP EP86301862A patent/EP0197674B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0197674A1 (de) | 1986-10-15 |
CA1236255A (en) | 1988-05-10 |
ATE52958T1 (de) | 1990-06-15 |
EP0197674B1 (de) | 1990-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |