DE181069C - - Google Patents
Info
- Publication number
- DE181069C DE181069C DENDAT181069D DE181069DA DE181069C DE 181069 C DE181069 C DE 181069C DE NDAT181069 D DENDAT181069 D DE NDAT181069D DE 181069D A DE181069D A DE 181069DA DE 181069 C DE181069 C DE 181069C
- Authority
- DE
- Germany
- Prior art keywords
- veneer
- block
- wood
- roller
- covering
- 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.)
- Active
Links
- 239000002023 wood Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L5/00—Manufacture of veneer ; Preparatory processing therefor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Es ist em Verfahren bekannt, wonach Furniere von einem umlaufenden Holzblock geschält und hierauf getrocknet und aufgewickelt werden.. Es ist auch bekannt, diese Furniere vor dem Abschneiden mit einem Belage zu versehen, und diesen durch ein Klebe- oder Bindemittel zu befestigen.It is known em method, according to which veneers from a rotating block of wood peeled and then dried and wound up .. It is also known this To provide veneers with a covering before cutting, and this through a To attach glue or binding agent.
Das Auftragen eines feuchten Klebemittels auf den Holzblock kann jedoch den Übel-However, applying a damp adhesive to the block of wood can cause the
ίο stand mit sich bringen, daß wegen des Klebemittels an der dem Belage zugekehrten Seite des geschälten Furniers mehr Feuchtigkeit vorhanden ist als an der gegenüberliegenden. Dadurch wird das Furnier das Bestreben haben, sich derartig durchzubiegen bezw. zu werfen, daß die nicht belegte Seite hohl erscheint.ίο was to bring with it that because of the adhesive on the facing the covering There is more moisture on the side of the peeled veneer than on the opposite side. As a result, the veneer will tend to bend in this way respectively to throw so that the unoccupied side appears hollow.
Durch das vorliegende Verfahren soll nun dies dadurch vermieden werden, daß der Holzblock an seiner Oberfläche vor und nach Auftragen des Klebemittels derart erwärmt und getrocknet wird, daß auf beiden Seiten des Furniers derselbe Feuchtigkeitsgrad vorhanden ist.The present method is intended to avoid this in that the The surface of the wood block was heated in this way before and after the adhesive was applied and dried so that the same degree of moisture is present on both sides of the veneer is.
Die zur Ausführung des Verfahrens dienende Maschine ist in der Zeichnung schematisch im Längsschnitt dargestellt. ■The machine used to carry out the process is shown schematically in the drawing shown in longitudinal section. ■
Der Holzblock 1 ist in bekannter Weise zwischen zwei einstellbare Träger 2 eingespannt und wird in Umdrehung versetzt. Das nachstellbare Messer 3 schält das Furnier ab. Die Walze 10 versieht den Holzblock mit einem Belage aus Papier oder Gewebe, während das abgeschälte Furnier in bekannter Weise über Heizwalzen 14 geführt und auf eine Walze 15 aufgewickelt wird.The block of wood 1 is clamped between two adjustable supports 2 in a known manner and is set in rotation. The adjustable knife 3 peels the veneer away. The roller 10 provides the block of wood with a covering of paper or fabric, while the peeled veneer is passed over heating rollers 14 in a known manner and wound on a roller 15.
Nach vorliegender Erfindung ist nun vor der Auftragwalze 10 eine Heizwalze 5 angeordnet, die mit ihrer Achse 6 in der Kulisse 7 verschiebbar gelagert ist und durch eine Feder 8 gegen den Holzblock gedrückt wird. Diese Walze trocknet und erwärmt die Oberfläche des Holzblocks, so daß das hierauf aufgetragene Klebemittel sich ebenfalls erwärmt und verdickt. Ebenso sind hinter der Walze ΙΟ eine oder zwei Heizwalzen 12 bezw. 13 vorgesehen, welche das Klebemittel rasch zum Trocknen bringen, noch ehe das Furnier vom Block abgeschnitten wurde.According to the present invention is now before the applicator roller 10 is a heating roller 5 arranged with its axis 6 in the Link 7 is slidably mounted and pressed by a spring 8 against the block of wood will. This roller dries and heats the surface of the wood block so that the adhesive applied thereon is also heated and thickened. Likewise are behind the roller ΙΟ one or two heating rollers 12 respectively. 13 provided which the Allow adhesive to dry quickly before cutting the veneer from the block became.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE181069C true DE181069C (en) |
Family
ID=445282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT181069D Active DE181069C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE181069C (en) |
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0
- DE DENDAT181069D patent/DE181069C/de active Active
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