DE1026066B - Process for gluing joints, especially veneer joints, and for other gluing processes - Google Patents
Process for gluing joints, especially veneer joints, and for other gluing processesInfo
- Publication number
- DE1026066B DE1026066B DESCH18800A DESC018800A DE1026066B DE 1026066 B DE1026066 B DE 1026066B DE SCH18800 A DESCH18800 A DE SCH18800A DE SC018800 A DESC018800 A DE SC018800A DE 1026066 B DE1026066 B DE 1026066B
- Authority
- DE
- Germany
- Prior art keywords
- glue
- adhesive
- gluing
- joints
- thread
- 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.)
- Pending
Links
Classifications
-
- 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
- B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Description
Verfahren zur Verleimung von Fugen, insbesondere Furnierfugen, und für sonstige Verleimungsvorgänge Die Erfindung betrifft ein Verfahren zur Verleimung von Fugen, insbesondere von Furnierfugen, und für sonstige Verleimungsvorgänge und bezweckt die Beseitigung der bei den bekannten Verleimungen auftretenden Nachteile.Method for gluing joints, in particular veneer joints, and for other gluing processes The invention relates to a gluing method of joints, in particular of veneer joints, and for other gluing processes and aims to eliminate the disadvantages occurring in the known gluing.
Insbesondere bei der Furnierfugenverleimung in der holzverarbeitenden Industrie kommt es darauf an, dünne, beispielsweise nur 0,3 bis 0,8 mm dicke Edelfurniere oder Deckfurniere so dicht beieinanderliegend zusammenzufügen, daß die Fuge selbst möglichst nicht sichtbar ist. Darüber hinaus muß die Fuge gegenüber dem anschließenden Arbeitsgang, bei dem erhöhte Temperatur angewendet wird, beständig sein. Ferner muß die Fuge gegenüber verschiedenen Beizen, Lacken oder Polituren, die bei der anschließenden Oberflächenbehandlung auf die Edelfurniere gelangen, beständig sein; sie darf mit diesen chemisch nicht reagieren.Especially when gluing veneer joints in wood processing Industry depends on thin, for example only 0.3 to 0.8 mm thick, precious veneers or to join face veneers so close together that the joint itself is not visible if possible. In addition, the joint must be compared to the subsequent Operation using elevated temperature must be stable. Further the joint must face various stains, varnishes or polishes that are used in the subsequent surface treatment get on the noble veneer, be resistant; it must not react chemically with these.
Bisher wurde die Furnierfugenverleimung in automatischen Furnierfugenverleimmaschinen mit direkter oder inditrekter Leimabgabe verwendet, wobei in diesen Maschinen die verschiedensten Leimsorten, unter anderem auch tierische Leime, Verwendung finden. Die Leime werden in flüssiger Form aufgetragen" was zur Folge hat, daß nicht nur die Edelfurniere an den Fugenrändern verschmiert werden, sondern vielfach auch ein Verschmieren der Schiene und der Kette der Furnierfugenverleimmaschine mit Leim eintritt. Darüber hinaus haben manche flüssigen Leime den Nachteil, daß, nachdem das Werkstück die Furnierfugenverleimmaschine verlassen hat, die Leimfuge sichtbar ist und sich bei Verwendung von Kunstharzleim auch nicht beizen läßt.Until now, the veneer joint was glued in automatic veneer joint gluing machines used with direct or indirect glue dispensing, whereby in these machines the various types of glue, including animal glue, are used. The glues are applied in liquid form "which means that not only the fine veneers are smeared at the joint edges, but often also a Smear the rail and the chain of the veneer joint gluing machine with glue entry. In addition, some liquid glues have the disadvantage that after the workpiece has left the veneer joint gluing machine, the glue joint is visible and cannot be stained when using synthetic resin glue.
Es ist auch bereits bekannt, zum Heranbringen des Leimes an eine zu verleimende Fuge einen Faden zu verwenden, der kurz vor dem Einlaufen in die Fuge in der Fugenverleimmaschilne mit flüssigem Klebstoff getränkt wird, wobei der getränkte Faden entweder in der Fuge verbleibt oder nach dem Ausquetschen des Leimes aus ihm wieder aus der Fuge herausgezogen wird. Dieses Verfahren ist nicht nur äußerst umständlich, sondern führt, da mit flüssigem Leim gearbeitet wird, ebenfalls leicht zu Verschmierungen, vor allem der Fugenverleimmaschine mit Leim.It is also already known to apply the glue to one To glue the joint, use a thread just before it enters the joint is soaked in the joint gluing machine with liquid adhesive, the soaked The thread either remains in the joint or after the glue has been squeezed out of it is pulled out of the joint again. This procedure is not only extremely cumbersome, but, since liquid glue is used, it also easily leads to smearing, especially the joint gluing machine with glue.
Gemäß der Erfindung werden zwischen die durch Verleimung zu verbindenden Flächen bzw. Fugen ein oder mehrere Fäden aus einem trockenen, erst bei erhöhter Temperatur schmelzenden Klebstoff gelegt und hierauf Klebstoff und Werkstück in bekannten, den Verleimdruck ausübenden Maschinen auf eine Temperatur erhitzt, bei der der Klebstoff schmilzt. Der Klebstoff schmilzt also erst in der Verleimmaschine durch die Anwendung erhöhter Temperatur, erstarrt nach dem Verlassen der Maschine sofort und verbindet bei einer Furnierverleimung die Ränder der beiden Furniere miteinander. Ein Verschmieren der Leimfuge oder der Schiene bzw. der Kette der Furnierverleimmaschine ist hierbei nicht mehr möglich.According to the invention are to be connected by gluing between the Surfaces or joints one or more threads from a dry, only with increased Temperature melting glue is placed and glue and workpiece in known, the glue pressure exerting machines heated to a temperature, at that the glue melts. The adhesive only melts in the gluing machine due to the use of increased temperature, solidifies after leaving the machine immediately and connects the edges of the two veneers with a veneer bond together. A smearing of the glue joint or the rail or the chain of the veneer gluing machine is no longer possible here.
Die zwischen die durch die Verleimung zu verbindenden Flächen einzulegenden Klebstoffäden können aus einem trockenen Klebstoffaden mit einer als Träger für den Klebstoff dienenden fadenförmigen Seele bestehen, wobei es sich empfiehlt, eine fadenförmige Seele aus einem Werkstoff zu verwenden, der erst bei einer Temperatur schmilzt, die höher als die Schmelztemperatur des Klebstoffes ist.The areas to be inserted between the surfaces to be joined by the glue Adhesive threads can consist of a dry adhesive thread with one as a carrier for the adhesive serving thread-like soul exist, it is advisable to use a to use thread-like core made of a material that only works at a certain temperature melts that is higher than the melting temperature of the adhesive.
Dem Leim oder Klebstoff kann je nach Bedarf Härter, wie z. B. Formaldehyd oder dessen Polymere, Homologe oder Kondensationsprodukte, ferner aber auch Weichmacher oder Verflüssiger zugesetzt werden.The glue or adhesive can hardener, such as. B. formaldehyde or its polymers, homologues or condensation products, but also plasticizers or liquefier can be added.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH18800A DE1026066B (en) | 1955-10-06 | 1955-10-06 | Process for gluing joints, especially veneer joints, and for other gluing processes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH18800A DE1026066B (en) | 1955-10-06 | 1955-10-06 | Process for gluing joints, especially veneer joints, and for other gluing processes |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1026066B true DE1026066B (en) | 1958-03-13 |
Family
ID=7428302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DESCH18800A Pending DE1026066B (en) | 1955-10-06 | 1955-10-06 | Process for gluing joints, especially veneer joints, and for other gluing processes |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1026066B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1201533B (en) * | 1962-08-04 | 1965-09-23 | Heinrich Kuper Maschinen | Method and device for assembling veneers |
DE1220583B (en) * | 1963-03-15 | 1966-07-07 | Kuper Heinrich Fa | Machine for longitudinal joint joining of veneers |
WO2000032370A2 (en) * | 1998-11-27 | 2000-06-08 | Vesterby Træteknik Aps | Method and apparatus for edge joining of veneer strips |
EP1086915A2 (en) * | 1999-09-22 | 2001-03-28 | C.B.T. S.r.l. | Method for obtaining a continuous wooden sheet in roll form |
WO2001039943A1 (en) * | 1999-11-29 | 2001-06-07 | Vesterby Træteknik A/S | Method and apparatus for edge joining of veneer strips |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516280A (en) * | 1944-11-08 | 1950-07-25 | Arthur R Welch | Method of and apparatus for edgegluing veneer sheets |
-
1955
- 1955-10-06 DE DESCH18800A patent/DE1026066B/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516280A (en) * | 1944-11-08 | 1950-07-25 | Arthur R Welch | Method of and apparatus for edgegluing veneer sheets |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1201533B (en) * | 1962-08-04 | 1965-09-23 | Heinrich Kuper Maschinen | Method and device for assembling veneers |
DE1220583B (en) * | 1963-03-15 | 1966-07-07 | Kuper Heinrich Fa | Machine for longitudinal joint joining of veneers |
WO2000032370A2 (en) * | 1998-11-27 | 2000-06-08 | Vesterby Træteknik Aps | Method and apparatus for edge joining of veneer strips |
WO2000032370A3 (en) * | 1998-11-27 | 2000-10-05 | Vesterby Traeteknik Aps | Method and apparatus for edge joining of veneer strips |
EP1086915A2 (en) * | 1999-09-22 | 2001-03-28 | C.B.T. S.r.l. | Method for obtaining a continuous wooden sheet in roll form |
EP1086915A3 (en) * | 1999-09-22 | 2002-03-13 | C.B.T. S.r.l. | Method for obtaining a continuous wooden sheet in roll form |
WO2001039943A1 (en) * | 1999-11-29 | 2001-06-07 | Vesterby Træteknik A/S | Method and apparatus for edge joining of veneer strips |
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