EP0822042A2 - Verfahren und Maschine zur Herstellung von geformten Profilen aus gebogenem Sperrholz, insbesondere zum Ummanteln von Kolonnen oder dergleichen - Google Patents

Verfahren und Maschine zur Herstellung von geformten Profilen aus gebogenem Sperrholz, insbesondere zum Ummanteln von Kolonnen oder dergleichen Download PDF

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Publication number
EP0822042A2
EP0822042A2 EP97202352A EP97202352A EP0822042A2 EP 0822042 A2 EP0822042 A2 EP 0822042A2 EP 97202352 A EP97202352 A EP 97202352A EP 97202352 A EP97202352 A EP 97202352A EP 0822042 A2 EP0822042 A2 EP 0822042A2
Authority
EP
European Patent Office
Prior art keywords
press
sheets
machine
shaped profiles
curved
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.)
Withdrawn
Application number
EP97202352A
Other languages
English (en)
French (fr)
Other versions
EP0822042A3 (de
Inventor
Benigno De Zanet
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.)
Xiloform SpA
Original Assignee
Xiloform SpA
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 Xiloform SpA filed Critical Xiloform SpA
Publication of EP0822042A2 publication Critical patent/EP0822042A2/de
Publication of EP0822042A3 publication Critical patent/EP0822042A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/02—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of a flexible element, e.g. diaphragm, urged by fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
    • B27D1/083—Presses specially designed for making the manufacture of shaped plywood articles

Definitions

  • the present invention relates to a process and a machine for manufacturing shaped profiles in curved plywood for covering columns and alike.
  • the traditional process of manufacturing of shaped profiles in curved plywood for covering columns and alike provides for the overlay of several flat wooden sheets with interposed adhesive, that are made adhere to each other by means of a heated press of substantially semicircular section, which compresses said sheets one against the other determining the bending with a curvature radius correspondent to that of the press itself.
  • object of the present invention has been to provide a process and a machine specifically fit for manufacturing shaped profiles of considerable length in curved plywood.
  • a process for manufacturing shaped profiles in curved plywood comprising overlay of several flat wooden sheets with interposed adhesive and application of pressure over said overlaid sheets by means of a shaped press at high temperature for the mutual adhesion of the sheets themselves and their bending with a desired curvature radius, characterized in that said pressure is obtained by inflating an inflatable flexible sack which substains said flat sheets beneath said press.
  • a machine comprising a heated press of curved section correspondent to that desired for the profile to manufacture and means for providing a pressure engagement between said press and a set of wooden flat sheets overlaid together with interposed adhesive to determine the adhesion of the sheets themselves and their bending up to a desired shape, characterized in that said means for providing a pressure engagement comprise an inflatable flexible sack which substain said flat sheets beneath said press.
  • Fig. 1 is shown schematically in perspective view a set of wooden flat sheets 1, between a layer of adhesive 2 working at high temperature is interposed.
  • the set of fig. 1 is inserted in a machine comprising a shaped press 3, by way of example of semicircular section, heated at high temperature.
  • Beneath press 3 as shown in Fig. 2, an inflatable flexible sack 5, initially deflated, which supports the set of wooden overlaid sheets 1 of Fig. 1, is placed inside an envelope 4.
  • the edge bending can naturally be modified by varying the front shape of press 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Fluid Mechanics (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Rod-Shaped Construction Members (AREA)
EP97202352A 1996-07-31 1997-07-25 Verfahren und Maschine zur Herstellung von geformten Profilen aus gebogenem Sperrholz, insbesondere zum Ummanteln von Kolonnen oder dergleichen Withdrawn EP0822042A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI961643 1996-07-31
IT96MI001643A IT1283376B1 (it) 1996-07-31 1996-07-31 Procedimento e macchina per la fabbricazione di profili in legno compensato curvo per il rivestimento di colonne e simili.

Publications (2)

Publication Number Publication Date
EP0822042A2 true EP0822042A2 (de) 1998-02-04
EP0822042A3 EP0822042A3 (de) 1999-03-24

Family

ID=11374723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97202352A Withdrawn EP0822042A3 (de) 1996-07-31 1997-07-25 Verfahren und Maschine zur Herstellung von geformten Profilen aus gebogenem Sperrholz, insbesondere zum Ummanteln von Kolonnen oder dergleichen

Country Status (2)

Country Link
EP (1) EP0822042A3 (de)
IT (1) IT1283376B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004035758B4 (de) * 2004-07-23 2009-08-27 Quin Gmbh Verfahren und Vorrichtung zur Herstellung eines Dekorvorformlinges
CN106193297A (zh) * 2016-07-11 2016-12-07 南京林业大学 一种建筑用c型木质结构材及其制备方法
CN108068382A (zh) * 2016-11-14 2018-05-25 江西昌河航空工业有限公司 一种胶接v型件的工装及胶接工艺

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR769094A (fr) * 1934-02-03 1934-08-18 Presse-placage pour surfaces arrondies
FR873210A (fr) * 1940-04-22 1942-07-02 Fieseler Gerhard Werke Gmbh Presse de collage pour pièces courbes, en particulier pour pièces d'avions ou analogues
US2363933A (en) * 1940-12-12 1944-11-28 Langley Aviat Corp Portable veneer press
US2385544A (en) * 1943-05-19 1945-09-25 Salisbury Leonard Byron Molding device
US2386578A (en) * 1941-08-14 1945-10-09 Vidal Corp Apparatus for forming laminated molded structures
US2401299A (en) * 1942-10-03 1946-06-04 Universal Moulded Products Cor Molding and gluing press
US2409393A (en) * 1943-07-29 1946-10-15 Schaffer Leslie Laszlo Fluid press
FR1192718A (fr) * 1958-03-06 1959-10-28 Presse à plaquer
EP0568935A1 (de) * 1992-05-05 1993-11-10 ORMAMACCHINE S.r.L. Furniermaschine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR769094A (fr) * 1934-02-03 1934-08-18 Presse-placage pour surfaces arrondies
FR873210A (fr) * 1940-04-22 1942-07-02 Fieseler Gerhard Werke Gmbh Presse de collage pour pièces courbes, en particulier pour pièces d'avions ou analogues
US2363933A (en) * 1940-12-12 1944-11-28 Langley Aviat Corp Portable veneer press
US2386578A (en) * 1941-08-14 1945-10-09 Vidal Corp Apparatus for forming laminated molded structures
US2401299A (en) * 1942-10-03 1946-06-04 Universal Moulded Products Cor Molding and gluing press
US2385544A (en) * 1943-05-19 1945-09-25 Salisbury Leonard Byron Molding device
US2409393A (en) * 1943-07-29 1946-10-15 Schaffer Leslie Laszlo Fluid press
FR1192718A (fr) * 1958-03-06 1959-10-28 Presse à plaquer
EP0568935A1 (de) * 1992-05-05 1993-11-10 ORMAMACCHINE S.r.L. Furniermaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004035758B4 (de) * 2004-07-23 2009-08-27 Quin Gmbh Verfahren und Vorrichtung zur Herstellung eines Dekorvorformlinges
DE102004035758C5 (de) * 2004-07-23 2011-08-18 Quin GmbH, 71277 Verfahren und Vorrichtung zur Herstellung eines Dekorvorformlinges
CN106193297A (zh) * 2016-07-11 2016-12-07 南京林业大学 一种建筑用c型木质结构材及其制备方法
CN106193297B (zh) * 2016-07-11 2019-04-02 南京林业大学 一种建筑用c型木质结构材及其制备方法
CN108068382A (zh) * 2016-11-14 2018-05-25 江西昌河航空工业有限公司 一种胶接v型件的工装及胶接工艺

Also Published As

Publication number Publication date
EP0822042A3 (de) 1999-03-24
IT1283376B1 (it) 1998-04-17
ITMI961643A0 (de) 1996-07-31
ITMI961643A1 (it) 1998-01-31

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