SE8601454L - PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCS - Google Patents

PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCS

Info

Publication number
SE8601454L
SE8601454L SE8601454A SE8601454A SE8601454L SE 8601454 L SE8601454 L SE 8601454L SE 8601454 A SE8601454 A SE 8601454A SE 8601454 A SE8601454 A SE 8601454A SE 8601454 L SE8601454 L SE 8601454L
Authority
SE
Sweden
Prior art keywords
boards
shaping
bending
bent
cooling
Prior art date
Application number
SE8601454A
Other languages
Swedish (sv)
Other versions
SE452037B (en
SE8601454D0 (en
Inventor
B Lindgren
O Wahlstrom
K Kulper
Original Assignee
Hammarberg Lars
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 Hammarberg Lars filed Critical Hammarberg Lars
Priority to SE8601454A priority Critical patent/SE452037B/en
Publication of SE8601454D0 publication Critical patent/SE8601454D0/en
Priority to PCT/SE1987/000160 priority patent/WO1987005956A1/en
Priority to JP50204187A priority patent/JPS63502910A/en
Priority to EP19870902182 priority patent/EP0301012A1/en
Priority to AU71695/87A priority patent/AU7169587A/en
Publication of SE8601454L publication Critical patent/SE8601454L/en
Publication of SE452037B publication Critical patent/SE452037B/en
Priority to DK620887A priority patent/DK620887D0/en

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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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.
SE8601454A 1986-03-27 1986-03-27 PROCEDURE AND DEVICE FOR SHAPING, PREFERRED BENDING, OF HARDEN FIBER DISCS SE452037B (en)

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
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
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
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 SE8601454D0 (en) 1986-03-27
SE8601454L true 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)

* Cited by examiner, † Cited by third party
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
AU2001293317A1 (en) * 2000-09-29 2002-04-08 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU7169587A (en) 1987-10-20
EP0301012A1 (en) 1989-02-01
JPS63502910A (en) 1988-10-27
SE452037B (en) 1987-11-09
SE8601454D0 (en) 1986-03-27
WO1987005956A1 (en) 1987-10-08

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