AT93741B - Process for the production of a binder for veneers. - Google Patents

Process for the production of a binder for veneers.

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Publication number
AT93741B
AT93741B AT93741DA AT93741B AT 93741 B AT93741 B AT 93741B AT 93741D A AT93741D A AT 93741DA AT 93741 B AT93741 B AT 93741B
Authority
AT
Austria
Prior art keywords
veneers
binder
glue
production
water
Prior art date
Application number
Other languages
German (de)
Inventor
Paul Schrot
Original Assignee
Paul Schrot
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 Paul Schrot filed Critical Paul Schrot
Application granted granted Critical
Publication of AT93741B publication Critical patent/AT93741B/en

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Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Herstellung eines Bindemittels für Furniere. 



   Die in der Möbelindustrie verwendeten Furniere zeigen den Übelstand, dass, je poröser sie sind, um so leichter der zum Befestigen der Furniere auf ihre Grundlage verwendete Leim durch die Furniere   hindurchdringt.   



   Zur Verhinderung des Übelstandes hat man dem Leim Schlämmkreide beigemengt. Der Zusatz musste aber, um den Zweck zu erreichen, beträchtlich sein, hiedurch leidet aber die Bindekraft des Leimes. 



   Nach der vorliegenden Erfindung wird dem Lederleim Lenzin und Ocker zugesetzt. Lenzin besteht nach der Analyse von Dr. Freseniüs in Frankfurt a. M. aus : 
 EMI1.1 
 
<tb> 
<tb> 21-36% <SEP> Wasser,
<tb> 78-43% <SEP> Kalziumsulfat,
<tb> 0-21% <SEP> Tonerde.
<tb> 
 



   Es weicht also von dem in der Papierfabrikation benutzten gleichnamigen Kunstprodukt, das lediglich aus gebranntem feingemahlene Gips besteht, in der Zusammensetzung ab. Es kommt in der Natur vor und wird z. B. in Kornberg bei Bad Sooden gefunden. Ocker wird der Masse beigemischt, um eine dem Furnier ähnliche Färbung zu erhalten. 



   Beispiel : 10 kg Lenzin, 15   g   Ocker und   31 Wasser   werden mit 5 kg in Wasser 14 Stunden lang eingeweichtem Lederleim vermischt. 



   Das vorliegende Bindemittel ermöglicht, die Anwendung von heissen Pressstücken zum Anpressen des Furniers auf seiner Grundlage, ohne dass der Leim   durchschlägt   ; das sonst übliche Einfetten der   Furnieroberfläehen   erübrigt sich also. Ferner ist der Klebstoff sandfrei, die bei der späteren Bearbeitung der Hölzer benutzten Werkzeuge werden daher nicht angegriffen. 



   Die Abbindung'der furnierten Fläche erfolgt schon in 3 bis 3Y2 Stunden, statt in 4 bis 4Y2 Stunden, wie sonst. 



   PATENT-ANSPRÜCHE :
1. Verfahren zur Herstellung eines Bindemittels für Furniere aus Leim und anorganischen, pulverförmigen Füllstoffen, dadurch gekennzeichnet, dass Lederieim mit Lenzin (natürlichem   wasserhältigem   Kalziumsulfat) versetzt wird, durch welchen Zusatz ohne Verminderung der Bindekraft ein Durchschlagen des Leimes durch die Furnier verhindert werden soll. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Process for the production of a binder for veneers.



   The veneers used in the furniture industry show the drawback that the more porous they are, the easier it is for the glue used to attach the veneers to their base to penetrate through the veneers.



   To prevent the problem, chalk has been added to the glue. In order to achieve the purpose, however, the addition had to be considerable, but this affects the adhesive power of the glue.



   According to the present invention, lenzine and ocher are added to the leather glue. According to the analysis by Dr. Freseniüs in Frankfurt a. M. from:
 EMI1.1
 
<tb>
<tb> 21-36% <SEP> water,
<tb> 78-43% <SEP> calcium sulfate,
<tb> 0-21% <SEP> clay.
<tb>
 



   It therefore differs in its composition from the synthetic product of the same name used in paper manufacture, which consists only of burnt, finely ground plaster of paris. It occurs in nature and is z. B. found in Kornberg near Bad Sooden. Ocher is added to the mass in order to obtain a color similar to the veneer.



   Example: 10 kg of lenzin, 15 g of ocher and 31 g of water are mixed with 5 kg of leather glue soaked in water for 14 hours.



   The present binder enables the use of hot pressed pieces to press the veneer onto its base without the glue penetrating; the otherwise usual greasing of the veneer surfaces is unnecessary. Furthermore, the adhesive is free of sand, so the tools used for later processing the wood are not attacked.



   The veneered surface is set in 3 to 3/2 hours, instead of the 4 to 4/2 hours as usual.



   PATENT CLAIMS:
1. A process for the production of a binder for veneers from glue and inorganic, powdery fillers, characterized in that leather is mixed with lenzin (natural water-containing calcium sulphate), which additive is intended to prevent the glue from penetrating the veneer without reducing the binding force.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass man zirka 5 kg Lederleim, der vorher in üblicher Weise in Wasser eingeweicht wurde, mit 10 kg Lenzin und 15 g Ocker und 31 Wasser vermischt. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. 2. The method according to claim 1, characterized in that about 5 kg of leather glue, which has previously been soaked in water in the usual way, is mixed with 10 kg of lenzin and 15 g of ocher and 31 water. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT93741D 1920-05-28 1920-05-28 Process for the production of a binder for veneers. AT93741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT93741T 1920-05-28

Publications (1)

Publication Number Publication Date
AT93741B true AT93741B (en) 1923-07-25

Family

ID=3613595

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93741D AT93741B (en) 1920-05-28 1920-05-28 Process for the production of a binder for veneers.

Country Status (1)

Country Link
AT (1) AT93741B (en)

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