AT214829B - Mats, plates or shaped pieces made from agglomerated glass fibers or fibers made from similar mineral materials and processes for their production - Google Patents

Mats, plates or shaped pieces made from agglomerated glass fibers or fibers made from similar mineral materials and processes for their production

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Publication number
AT214829B
AT214829B AT375758A AT375758A AT214829B AT 214829 B AT214829 B AT 214829B AT 375758 A AT375758 A AT 375758A AT 375758 A AT375758 A AT 375758A AT 214829 B AT214829 B AT 214829B
Authority
AT
Austria
Prior art keywords
plates
mats
fibers
production
shaped pieces
Prior art date
Application number
AT375758A
Other languages
German (de)
Original Assignee
Saint Gobain
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 Saint Gobain filed Critical Saint Gobain
Application granted granted Critical
Publication of AT214829B publication Critical patent/AT214829B/en

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  • Nonwoven Fabrics (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Matten, Platten oder Formstücke aus agglomerierten Glasfasern oder Fasern aus ähnlichen Mineralstoffen sowie Verfahren zu ihrer Herstellung 
 EMI1.1 
 zum Gegenstand, die aus einem Gemisch von mindestens zwei verschiedenen Gattungen von Fasern aus ein und   demselben Stoff, jedoch mit verschiedenen thermoplastischen Eigenschaften bestehen, webei die   einen Fasern einen bedeutend niedrigeren Erweichungspunkt besitzen als die andern und die Agglomeration durch einen autogenen Vorgang bewirkt ist. 



   Die Erfindung betrifft verbesserte Matten, Platten oder   Formstucke   gemäss dem Stammpatent, welche dadurch gekennzeichnet sind, dass sie über ihren Querschnitt eine verschiedene Festigkeit und eine verschiedene Dichte aufweisen. 



   Gemäss der Erfindung kann man bei der Herstellung dieser Erzeugnisse von einer Matte, Platte oder   einem Formstück   nachdem Stammpatent ausgehen, das man auf jeder seiner Oberflächen einer verschiedenen Wärmebehandlung unterzieht. Durch diese verschiedene thermische Behandlung weist das so erhaltene Erzeugnis über seinen Querschnitt eine verschiedene Festigkeit und eine verschiedene Dichte auf. 



     Sokönnen die beiden Oberflächen einer   Matte nach dem   StammpatentaufTemperaturen,   welche z. B. 



    100 - 2000   auseinanderliegen, gebracht werden. Die Matte wird hierauf, besonders durch Kalandrlerung, der Einwirkung eines Druckes unterworfen. 



   Erfindungsgemäss kann man auch von zwei   ader mehreren Matten,   Platten   oderf   mstticken nachdem   Stammpatent von gleicher oder verschiedener Beschaffenheit ausgehen, von denen man jede einzelne einer verschiedenen thermischen Behandlung unterwirft. Diese Matten, Platten oder   Formstücke   werden hierauf vereinigt, so dass sie mehrere verschiedene Lagen bilden und einem Druck besonders durch Kalandem unterworfen. So erhält man Erzeugnisse, welche eine von Lage zu Lage verschiedene Festigkeit und Dichte aufweisen. 



   PATENTANSPRÜCHE : 
1. Matten, Platten oder Formstücke nach Patent Nr. 206806, dadurch gekennzeichnet, dass sie über ihren Querschnitt eine verschiedene Festigkeit und eine verschiedene Dichte aufweisen. 

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



   <Desc / Clms Page number 1>
 



  Mats, plates or shaped pieces made from agglomerated glass fibers or fibers made from similar mineral materials and processes for their production
 EMI1.1
 The subject matter consists of a mixture of at least two different types of fibers from the same material, but with different thermoplastic properties, weaves of which one fiber has a significantly lower softening point than the other and the agglomeration is caused by an autogenous process.



   The invention relates to improved mats, plates or molded pieces according to the parent patent, which are characterized in that they have different strengths and different densities over their cross-section.



   According to the invention, the manufacture of these products can be based on a mat, plate or shaped piece according to the parent patent, which is subjected to a different heat treatment on each of its surfaces. As a result of this different thermal treatment, the product obtained in this way has a different strength and a different density over its cross section.



     In this way, the two surfaces of a mat according to the parent patent can be heated to temperatures which e.g. B.



    100 - 2000 apart. The mat is then subjected to the action of pressure, especially by calendering.



   According to the invention, it is also possible to start from two or more mats, plates or sticks according to the parent patent of the same or different properties, each of which is subjected to a different thermal treatment. These mats, plates or shaped pieces are then combined so that they form several different layers and are subjected to pressure, especially by calendering. In this way, products are obtained which have a different strength and density from layer to layer.



   PATENT CLAIMS:
1. Mats, plates or shaped pieces according to patent no. 206806, characterized in that they have a different strength and a different density over their cross-section.

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

Claims (1)

2. Verfahren zur Herstellung von Erzeugnissen nach Anspruch 1, dadurch gekennzeichnet, dass Matten, Platten oder Formstücke auf jeder ihrer Oberflächen einer verschiedenen thermischen Behandlung unterzogen werden. 2. A method for the production of products according to claim 1, characterized in that mats, plates or shaped pieces are subjected to a different thermal treatment on each of their surfaces. 3. Verfahren zur Herstellung von Erzeugnissen nach Anspruch 1, dadurch gekennzeichnet, dass von mehreren Matten, Platten oderformstlicken von untereinander gleicher oder verschiedener Beschaffenheit <Desc/Clms Page number 2> jede einzelne einer verschiedenen thermischen Behandlung unterzogen und sodann alle durch Pressen zu einem Mehrschichtkörper mit von Lage zu Lage verschiedener Festigkeit und verschiedener Dichte vereinigt werden. 3. A method for the production of products according to claim 1, characterized in that several mats, plates or shaped pieces of mutually identical or different properties <Desc / Clms Page number 2> Each one is subjected to a different thermal treatment and then all are combined by pressing to form a multilayer body with different strengths and densities from layer to layer.
AT375758A 1957-06-15 1958-05-28 Mats, plates or shaped pieces made from agglomerated glass fibers or fibers made from similar mineral materials and processes for their production AT214829B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT206806D
FR214829X 1957-06-15

Publications (1)

Publication Number Publication Date
AT214829B true AT214829B (en) 1961-04-25

Family

ID=25607788

Family Applications (1)

Application Number Title Priority Date Filing Date
AT375758A AT214829B (en) 1957-06-15 1958-05-28 Mats, plates or shaped pieces made from agglomerated glass fibers or fibers made from similar mineral materials and processes for their production

Country Status (1)

Country Link
AT (1) AT214829B (en)

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