SE8601454D0 - PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCS - Google Patents
PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCSInfo
- Publication number
- SE8601454D0 SE8601454D0 SE8601454A SE8601454A SE8601454D0 SE 8601454 D0 SE8601454 D0 SE 8601454D0 SE 8601454 A SE8601454 A SE 8601454A SE 8601454 A SE8601454 A SE 8601454A SE 8601454 D0 SE8601454 D0 SE 8601454D0
- Authority
- SE
- Sweden
- Prior art keywords
- boards
- shaping
- bending
- bent
- cooling
- Prior art date
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
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H1/00—Bending wood stock, e.g. boards
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/36—Moistening and heating webs to facilitate mechanical deformation and drying deformed webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/12—Dielectric heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
- B29K2711/12—Paper, e.g. cardboard
- B29K2711/126—Impregnated
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
Method and apparatus for shaping, preferably bending, hardened flat wood fibre boards comprising cellulose fibers, lignin and hardening oil, by moistening, heating, bending and subsequent cooling. The boards (1) are fed continuously into a moistening apparatus in which, during their advance, the boards are moistened by a chemical solution applied to the upper and/or lower faces of the boards over the zones which are to be bent, subsequent to which the boards are heated by high-frequency energy at preferably 27 MHz to about 40-160 DEG C simultaneously as they are bent or moulded to a desired predetermined shape in which shape the boards are maintained during cooling. An apparatus for bending the boards (1) includes at least one conveyor (2) for continuous advance of the boards to be bent, said conveyor (2) including, in the advancing direction of the boards, a moistening apparatus (3) for supplying a predetermined quantity of moisture to the upper and lower faces of the boards, a heating and shaping apparatus (4) comprising two forming surfaces (8) serving as electrodes and between which the boards can be advanced during simultaneous heating and shaping, and a cooling apparatus (5) in which the boards are fixed as to their shape during cooling.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601454A SE452037B (en) | 1986-03-27 | 1986-03-27 | PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCS |
EP19870902182 EP0301012A1 (en) | 1986-03-27 | 1987-03-27 | Method and apparatus for shaping, preferably bending, hardened wood fibre boards |
AU71695/87A AU7169587A (en) | 1986-03-27 | 1987-03-27 | Method and apparatus for shaping, preferably bending, hardened wood fibre boards |
PCT/SE1987/000160 WO1987005956A1 (en) | 1986-03-27 | 1987-03-27 | Method and apparatus for shaping, preferably bending, hardened wood fibre boards |
JP50204187A JPS63502910A (en) | 1986-03-27 | 1987-03-27 | Method and apparatus for forming hardened wood fiberboard, preferably by curving |
DK620887A DK620887D0 (en) | 1986-03-27 | 1987-11-26 | PROCEDURE AND APPARATUS FOR SHAPING, CIRCULAR BENDING, OF HARDWOOD FIBER PLATES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601454A SE452037B (en) | 1986-03-27 | 1986-03-27 | PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCS |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8601454D0 true SE8601454D0 (en) | 1986-03-27 |
SE8601454L SE8601454L (en) | 1987-09-28 |
SE452037B SE452037B (en) | 1987-11-09 |
Family
ID=20364006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8601454A SE452037B (en) | 1986-03-27 | 1986-03-27 | PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCS |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0301012A1 (en) |
JP (1) | JPS63502910A (en) |
AU (1) | AU7169587A (en) |
SE (1) | SE452037B (en) |
WO (1) | WO1987005956A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9414988D0 (en) * | 1994-07-26 | 1994-09-14 | Md Form Int Ltd | Bending and shaping wood substitutes |
DE4439020C1 (en) * | 1994-11-02 | 1995-11-02 | Glunz Ag | Method for prodn. of furniture part having main surface and one edge |
AT405847B (en) * | 1996-09-16 | 1999-11-25 | Zellform Ges M B H | METHOD FOR PRODUCING BLANKS OR SHAPED BODIES FROM CELLULOSE FIBERS |
WO2002026456A2 (en) * | 2000-09-29 | 2002-04-04 | Steinhoff Manufacturing (Pty) Ltd. | Method of handling synthetic wood mouldings and article |
GB2390336B (en) * | 2002-07-03 | 2005-06-15 | Kenneth David Waller | Shaping manufactured board |
US8597455B1 (en) | 2009-10-02 | 2013-12-03 | Metacomb, Inc. | Translucent building material comprising corrugated cardboard |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2595501A (en) * | 1946-07-27 | 1952-05-06 | Allis Chalmers Mfg Co | Method of molding insulating material |
-
1986
- 1986-03-27 SE SE8601454A patent/SE452037B/en not_active IP Right Cessation
-
1987
- 1987-03-27 WO PCT/SE1987/000160 patent/WO1987005956A1/en not_active Application Discontinuation
- 1987-03-27 JP JP50204187A patent/JPS63502910A/en active Pending
- 1987-03-27 AU AU71695/87A patent/AU7169587A/en not_active Abandoned
- 1987-03-27 EP EP19870902182 patent/EP0301012A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU7169587A (en) | 1987-10-20 |
JPS63502910A (en) | 1988-10-27 |
SE452037B (en) | 1987-11-09 |
WO1987005956A1 (en) | 1987-10-08 |
EP0301012A1 (en) | 1989-02-01 |
SE8601454L (en) | 1987-09-28 |
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NUG | Patent has lapsed |
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