DEP0031203DA - Process for the production of impregnated nonwovens - Google Patents

Process for the production of impregnated nonwovens

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Publication number
DEP0031203DA
DEP0031203DA DEP0031203DA DE P0031203D A DEP0031203D A DE P0031203DA DE P0031203D A DEP0031203D A DE P0031203DA
Authority
DE
Germany
Prior art keywords
production
fiber
filler
impregnated
fleece
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.)
Expired
Application number
Other languages
German (de)
Inventor
August Bunger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date

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Description

- ■> n|s^V^i5\iove August B ü η g e r , Wuppertal-Bärmen, Wiohlinghauserstr. io'TG» ,.._(-ΑΛ® "ijiP" ——————— - ■> n | s ^ V ^ i 5 \ iov e August B ü η ger, Wupperta l-Bärmen, Wiohlinghauserstr. io'TG », .._ (- ΑΛ®" ijiP "———————

"Verfahren zur Herstellung imprägnierter Reissfaservliese"»"Process for the production of impregnated tear fiber fleeces" »

Es ist bekannt, auf trockenem Wege aus Reissfasern aller Art Faserstoffvliese herzustellen und diese nach entsprechander Imprägnierung zu kunstleder od.dgl» zu verarbeiten. It is known to produce nonwovens of all types of tear fibers by dry means and to do so in accordance with one another Impregnation into artificial leather or the like »to be processed.

Es wurde nun gefunden, dass die physikalischen Eigenschaften, insbesondere die Dichte, der nach diesem Verfahren hergestellten Erzeugnisse erheblich verbessert werden können, indem den Vliesbahnen während des Herstellungsganges staubförmige Faserabfälle (z.B_ TextiIfaserstaub, Zellstoffstaub, Lederfaserstaub o.dgl.) als Füllstoff eingelagert werden» Darüber hinaus ermöglicht das vorgeschlagene Verfahren in vorteilhafter Weise den Ersatz hochwertiger Fasern durch minderwertige Abfallstoffe.It has now been found that the physical properties, in particular the density, according to this method Manufactured products can be significantly improved by removing the nonwoven webs during the manufacturing process Dusty fiber waste (e.g. textile fiber dust, cellulose dust, leather fiber dust or the like) stored as filler are »In addition, the proposed method advantageously enables higher-quality replacement Fibers from inferior waste.

Die erf indungsgemasse Einlagerung des Staubes kann derart erfolgen, dass beispielsweise über der Krempel oder der Able gestelle eine Streuvorrichtung angebracht wird, welche während des Ablegene des Vlieses den Staub gleichmassig in, auf und zwischen die Lagen des Faservlieses bringt. Die weitere Behandlung des Vlieses erfolgt alsdann in an sich bekannter Weise durch franken mit einem Imprägniermittel, sowie Abpressen und Trocknen der Vliesbahn»The storage of the dust according to the invention can take place in such a way that, for example, over the card or A scattering device is attached to the storage place, which spreads the dust evenly during the storage of the fleece brings in, on and between the layers of the fiber fleece. The further treatment of the fleece then takes place in a manner known per se by franken with an impregnating agent, as well as pressing and drying the nonwoven web »

Je na®h Art der des zu verwendenden Füllstoffes hat es sich als zweckmässig oder sogar erforderlich erwiesen, die gleichmässige Verteilung des Abfallstaubes in und auf öer Vliesbahn dadurch zu fördern, dass man das Vlies während des Durchlaufens durch das Imprägniermittel senkrecht tür Vliesebene hin und her bewegt. Den jeweiligen Erforder-Depending on the type of filler to be used, it has proven to be useful or even necessary to promote the even distribution of waste dust in and on the fleece web by keeping the fleece during moving through the impregnating agent vertically to the non-woven layer. The respective required

nissen entsprechend kann das Hin- und Her-Schwingen des Vlieses mehr oder weniger kräftig mit geeigneter Schwingungszahl erfolgen» üuf diese Weise wird gleichzeitig ein Absinken dee Füllstoffes im Imprägniertad vorteilhaft verhindert. Accordingly, the back and forth oscillation of the fleece can be more or less powerful with a suitable number of oscillations In this way, a sinking of the filler in the impregnation pad is advantageously prevented at the same time.

Claims (2)

Patentansprüche .Claims. 1.) Verfahren zur Herstellung imprägnierter Beissfaservliese, dadurch gekennzeichnet, dass dem auf trockenem Wege hergestellten Faservlies während des Herstellungsganges staubförmige Faserabfalle als Füllstoff eingelagert werden.1.) Process for the production of impregnated bite fiber fleeces, characterized in that that the fiber fleece produced by dry means during the production process pulverulent fiber waste be stored as a filler. 2.) Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Faservlies mit dem Füllstoff während des Durchlaufens durch das Imprägniermittel senkrecht zu seiner Ebene hin und her bewegt wird»2.) The method according to claim 1, characterized in that the nonwoven fabric with the Filler is moved back and forth perpendicular to its plane while passing through the impregnation agent »

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