EP0334892A1 - Process for manufacturing panels of different thickness made of wood or wood substitutes. - Google Patents
Process for manufacturing panels of different thickness made of wood or wood substitutes.Info
- Publication number
- EP0334892A1 EP0334892A1 EP88900877A EP88900877A EP0334892A1 EP 0334892 A1 EP0334892 A1 EP 0334892A1 EP 88900877 A EP88900877 A EP 88900877A EP 88900877 A EP88900877 A EP 88900877A EP 0334892 A1 EP0334892 A1 EP 0334892A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- layer
- section
- wood
- cross
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002023 wood Substances 0.000 title claims description 9
- 239000002983 wood substitute Substances 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000005452 bending Methods 0.000 claims abstract description 7
- 238000003754 machining Methods 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011121 hardwood Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000003313 weakening effect Effects 0.000 abstract 1
- 238000003801 milling Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011093 chipboard Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0001—Tops
- A47B2200/001—Manufacture of table tops
Definitions
- the invention relates to methods for producing boards of different thicknesses from wood or wood substitutes. This includes panels made from naturally grown wood as well as from extruded or molded wooden small parts or from other materials that can normally replace wood.
- Such plates of different thicknesses are required, for example, in the furniture industry, in particular in the form of table tops, which should have bevels that weaken the wall in the edge area.
- Such shaped panels are useful for ergonomic reasons, for example for work desks and desks.
- the invention is based on the object. u n t e r s e d lic h ditKe panels made of wood or
- the plate is composed of at least two layers, of which at least one layer is weakened in cross-section and tapered to change its thickness, after which the layers are provided with adhesive and pressed against one another on their mutually facing, inside-facing sides become.
- At least one layer of an originally voluminous partial plate is formed by so-lifting shaping of channels lying parallel to one another, the webs located between the channels being shortened in whole or in part by machining oblique shaping.
- the invention provides that the cross-section-weakened layer is subjected to bending deformation along wall-weakened areas when pressed with the other layer.
- bevels should be provided with notches, notches in the area of the plate transition from normal to reduced sheet thickness transverse to their longitudinal axis, or broken through in some other way. In this way it is possible to deform the layer (partial plate) provided with bevelled webs in such a way that in the corner region of the plate there is a kind of ridge between the differently inclined bevels of the plate.
- the cross section of the individual chip-shaped channel is adapted to half the cross section of a profile insertable in opposite channels.
- Such profi can be used for different purposes according to the subclaims, for example for the purpose of armoring the plate or forming a fitting for a plug connection of adjacent plates, or to create a base for the introduction of threaded bores and similar connecting means.
- Such usable profiles can be formed from a wide variety of materials, for example metal, with light metal profiles being particularly recommended. However, if it is a matter of firmly anchoring connecting elements, such as screws, then it is advisable to use profi le made of layered hardwood in the channels, whereby such profiles do not necessarily penetrate the channel, but only have short lengths in the area of the connection points need. Details of the invention emerge from the drawing. In it, the invention is shown schematically and for example. Show it:
- Fig. (1) a cross section through a portion of a plate with a bevel.
- Fig. (2) a cross section through two sub-layers, from which the plate according to Fig. (1) is composed.
- Fig. (3) A partial top view of one of the layers acc. Fig. (2) with incorporated non-continuous channels,
- Fig. (4) a plan view according to. (3) with channels arranged in part continuously,
- Fig. (5) a perspective view of fluted plates, one of which is angled.
- Fig. (6) a Dersc-ective view of the plates acc. (5) in the assembled state
- Fig. 7 a personal view of two grooved plates
- Fig. (8) a perspective view of the gem.
- Fig, (7) fluted plates in the connected state
- 9 shows a perspective view of a partial plate for the formation of adjoining bevels
- Fig. (10) a perspective view of the molded and interconnected partial plates according to Fig. (9) and
- Fig. (11) a perspective view of a plate with various proposals for the formation of reinforcements or fittings.
- a partial cross section through a plate (1) is shown, which is to have a bevel (2) on at least one side.
- the invention is based on the fact that this plate (1) is formed from at least two layers (partial plates) (3, 4), of which the layer (3), which contains the bevel (2), is weakened in cross-section and along the base plane ( 8) is connected to the other layer (4). It is of course conceivable to provide the other layer (4) with such a bevel (2) or to form the plate (1) from several layers. It is essential that the one which contains the bevel (2) is formed with a weakened cross-section and is therefore designed to be more deformable.
- Layer (3, 4) consists, for example, of a solid wooden plate, in particular chipboard, into which channels (5) are machined.
- the channels (3) are preferably arranged parallel to one another.
- This processing has the consequence that the webs (6) along this milling plane (9) are shortened by machining.
- the milling plane (9) according to FIG. (2) is brought into the basic plane (8) according to FIGS. (1) and (2) by deforming one or more of the partial plates (3, 4). It is easy to see that the partial plate (4) would also have to be deformed if it had a shortening of its webs (6) along a plane analogous to the milling plane (9).
- bevels can also be guided around the corner of a plate (1). It is only necessary to provide the webs (6) with notches (13) or other grooves along the bending line, provided that the associated partial plate (4) has to be deformed along these notches (13).
- a tubular profile (15) instead of a tubular profile (15), a cylindrical solid profile can also be used.
- the profile can also be formed in the form of a rectangle (16) or a square (17).
- a specially shaped profile for example an I profile (18) is also shown.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Dans le procédé décrit, le panneau (1) se compose de couches (3, 4) dont au moins une (3) est affaiblie en section ainsi que chanfreinée et, après déformation en flexion, est liée à l'autre couche (4) par des techniques de collage et de compression. L'affaiblissement en section d'au moins une couche (3, 4) est réalisé par formage, par enlèvement de copeaux, de gorges (5) parallèles les unes aux autres; les parties intermédiaires (6) sont, aux endroits où le panneau (1) doit présenter des parois affaiblies (2), chanfreinées par usinage par enlevèment de copeaux selon un angle déterminé.In the method described, the panel (1) consists of layers (3, 4) of which at least one (3) is weakened in section as well as chamfered and, after bending deformation, is bonded to the other layer (4) by bonding and compression techniques. The section weakening of at least one layer (3, 4) is achieved by forming, by chip removal, grooves (5) parallel to each other; the intermediate parts (6) are, at the places where the panel (1) must have weakened walls (2), chamfered by machining by removing chips at a determined angle.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88900877T ATE76265T1 (en) | 1986-12-16 | 1987-12-08 | PROCESS FOR THE MANUFACTURE OF PANELS OF DIFFERENT THICKNESSES FROM WOOD OR WOOD SUBSTITUTES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3642959 | 1986-12-16 | ||
DE19863642959 DE3642959A1 (en) | 1986-12-16 | 1986-12-16 | METHOD FOR PRODUCING DIFFERENTLY THICK PANELS FROM WOOD OR WOOD REPLACEMENT MATERIALS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0334892A1 true EP0334892A1 (en) | 1989-10-04 |
EP0334892B1 EP0334892B1 (en) | 1992-05-20 |
Family
ID=6316310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88900877A Expired - Lifetime EP0334892B1 (en) | 1986-12-16 | 1987-12-08 | Process for manufacturing panels of different thickness made of wood or wood substitutes |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0334892B1 (en) |
DE (2) | DE3642959A1 (en) |
WO (1) | WO1988004531A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2657041B1 (en) * | 1990-01-17 | 1994-11-25 | Rougier Ocean Landex | TOP OF MOLDED LAMINATED FURNITURE BASED ON LIGNOCELLULOSIC PARTICLES WITH ERGONOMIC PROFILE AND IMPROVED PHYSICO-MECHANICAL CHARACTERISTICS. |
ATE271451T1 (en) * | 1998-04-01 | 2004-08-15 | Hornslet Moebelfabrik As | METHOD FOR PRODUCING FURNITURE PANELS AND PANELS PRODUCED BY THE METHOD |
JP3689907B2 (en) * | 2001-04-27 | 2005-08-31 | 株式会社安中製作所 | Method for forming curved surface of curved decorative board |
GB2548114A (en) * | 2016-03-08 | 2017-09-13 | Bentley Motors Ltd | A method of manufacturing a table |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2129828A1 (en) * | 1933-11-08 | 1973-01-04 | Gruber & Weber | PROCESS FOR MANUFACTURING DEFORMED WORKPIECES FROM PREFABRICATED, COATED CHIPBOARD |
FR774516A (en) * | 1934-06-13 | 1934-12-08 | Manufacturing process of curved wooden panels and resulting industrial products | |
DE1209719B (en) * | 1961-06-28 | 1966-01-27 | Arnold Skoog | Reinforced wood |
AT268616B (en) * | 1966-10-05 | 1969-02-25 | Lignospan Holzindustrie Komman | Chipboard |
FR2365310A1 (en) * | 1976-09-22 | 1978-04-21 | Catelas Claude | Upright for office cupboard - consists of two flat metal parts with semicircular grooves near vertical edges which are engaged by C-shaped clamps |
DE3044039C2 (en) * | 1980-11-22 | 1985-05-15 | Schwaben-Türen, Theodor Zöschinger KG, 8872 Burgau | Hollow construction panel made of small pressed vegetable parts |
FR2553023A1 (en) * | 1983-10-07 | 1985-04-12 | Ricard Hubert | Method of producing curved wood surfaces, and devices or objects provided with such surfaces |
-
1986
- 1986-12-16 DE DE19863642959 patent/DE3642959A1/en not_active Withdrawn
-
1987
- 1987-12-08 WO PCT/EP1987/000764 patent/WO1988004531A1/en active IP Right Grant
- 1987-12-08 EP EP88900877A patent/EP0334892B1/en not_active Expired - Lifetime
- 1987-12-08 DE DE8888900877T patent/DE3779326D1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8804531A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1988004531A1 (en) | 1988-06-30 |
EP0334892B1 (en) | 1992-05-20 |
DE3779326D1 (en) | 1992-06-25 |
DE3642959A1 (en) | 1988-06-30 |
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