DE172157C

DE172157C -

Info

Publication number: DE172157C
Application number: DENDAT172157D
Authority: DE
Priority date: 1903-08-11
Publication date: 1900-01-01
Also published as: FR345529A

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

- M 172157 KLASSE 76 ö. - M 172157 CLASS 76 ö.

in LONDON.in London.

20. März 1883March 20, 1883

die Prioritätthe priority

Den Gegenstand vorliegender Erfindung bildet ein Verfahren zur Herstellung von Überzügen für Walzen zum Strecken, Glätten und sonstigen Bearbeiten von Fasern vor demThe subject of the present invention is a process for the production of Covers for rollers for stretching, smoothing and other processing of fibers before

S Verspinnen oder Verzwirnen, zu dem Zwecke, auf billigem Wege Walzenüberzüge herzustellen, welche nicht kleben oder rauh sind, sondern vollkommen glatte Oberfläche bieten und in verläßlicher Weise arbeiten.S spinning or twisting for the purpose of producing roller covers cheaply, which are not sticky or rough, but offer a completely smooth surface and work reliably.

Bisher wurden für diese Zwecke die aus Metallrohren hergestellten Walzen mit Tuch überzogen und mit einer Lederdecke versehen, wobei der als Lederunterlage dienende Tuchstoff mit dem Walzenkörper durch Zement oder ein sonstiges Bindemittel verbunden wurde und an der schrägen Stoßstelle des Lederüberzuges ein Rand entstand. Die Erfahrung hat nun gelehrt, daß die Oberfläche des Leders von vornherein nicht eben ist und außerdem durch Abnutzung ungleiche Angriffsflächen enthält, wodurch auch das Tuchfutter Unebenheiten erhält, welche die Verwendung besonders schwerer Gewichte zum Strecken der Fasern notwendig machen.So far, the rollers made of metal pipes have been covered with cloth for this purpose covered and provided with a leather cover, the one serving as a leather pad Cloth connected to the roller body by cement or some other binding agent and an edge was created at the inclined joint of the leather cover. The experience has now taught that the surface of the leather is not even from the start and, moreover, that it is uneven due to wear and tear Contains attack surfaces, which also gives the cloth lining unevenness, which the Make it necessary to use extra heavy weights to stretch the fibers.

Es sind viele Versuche gemacht worden, um einen Überzug zu erhalten, welcher das Leder ersetzt und die Nachteile desselben beseitigt. Die als Lederersatz verwendeten sogenannten.Many attempts have been made to obtain a coating that would hold the leather replaced and the disadvantages of the same eliminated. The so-called used as a leather substitute.

Kompositionen hatten aber auch verschiedene Nachteile. Die einen waren brüchig, andere wieder nutzten sich zu schnell ab oder erhielten bleibende Eindrücke von den mit ihnen zusammenarbeitenden geriffelten Walzen; außerdemjösten sich derartige Kompositionen leicht von ihrer Unterlage ab. Die Erfinderin fand nun, daß durch die Verwendung von chinesischem Holzöl, welches mit einer harzigen Masse gekocht, mit Kork vermählen und dann zuletzt auf eine faserige Hinterlage aufgebracht wurde, ein Überzug für Streckwalzen erhalten wird, welcher die oben genannten Nachteile nicht hat.But compositions also had various disadvantages. Some were brittle, others again worn out too quickly or received lasting impressions from those with their cooperating corrugated rollers; moreover, such compositions joined together easily from their base. The inventor found that by using of Chinese wood oil, which is boiled with a resinous mass and ground with cork and then finally applied to a fibrous backing, a coating for draw rolls is obtained which does not have the above-mentioned disadvantages.

Nach vorliegender Erfindung wird also die Verwendung von Tuch- und Lederbekleidung vermieden und eine aus einer bestimmten Zusammensetzung bestehende Walzenoberfläche gebildet, welche mittels eines zum Auftragen der Masse dienenden Gewebes auf dem Walzenkörper in einer vollkommen glatten, gleichförmigen Schicht befestigt wird.According to the present invention, therefore, the use of cloth and leather clothing avoided and a roller surface consisting of a certain composition formed, which by means of a fabric used to apply the mass to the roller body is attached in a perfectly smooth, uniform layer.

Es hat sich bei Verwendung von Walzenüberzügen nach vorliegender Erfindung gezeigt, daß die Streckgewichte nur verhältnismäßig klein zu sein brauchen, da in manchen Fällen die Hälfte der bisher bei bekannten Walzenüberzügen nötigen Gewichte genügt,It has been shown when using roll covers according to the present invention, that the stretched weights only need to be relatively small, as in some In cases, half of the weights previously required for known roller covers are sufficient,

Claims

which saves power and therefore ensures cheaper operation. The following combination has proven to be particularly good for the production of roller coatings according to the present process: 100 parts of Chinese wood oil are mixed with 15 parts of resin, heated at around 1760 ° C. and then cooled. The resulting product is then ground and then mixed thoroughly several times with an equal amount by weight of powdered cork and 10 percent plant soot. This mixture is then rolled through and z. B. removed by means of heated rollers on a canvas or some other suitable material, this material should be inextensible as a carrier of the mass. The thickness of the applied mass can advantageously be 3/4 mm. Of course, other parts by weight can be chosen for different compositions. It has been found that the use of Chinese wood oil in conjunction with cork and resin causes the compound to adhere to the base with greater toughness than if other oils are used for the mixture, and that the compound does not suffer from the corrugated lower or counter rollers because it is elastic. In order to harden the coating composition, it is exposed to a high temperature, which can be done either before or after it is applied to the rollers. Before the mass is drawn onto the rollers, it is cut into pieces, the size of which corresponds exactly to the surface area of a roller. To apply the coating very smoothly on the rollers or. at the connection. place the abutting edges of the coating to avoid unevenness, the edges r of each coating are bevelled slightly inward (Fig. 1), so that the outer edges are firmly against one another; if the coating is fixed on the roller or · on the core ζ. Β. Firmly pressed between rollers, a seam or rib r1 (Fig. 2), 'which can be ground to complete the roller, so that the joint is completely smooth and tight (Fig. 3) and never runs into danger, arises at the connection points to be damaged by the corrugated counter rollers used in operation. ■ Patent claims:

1. A method of making coatings for. Rollers for stretching, Smooth. and other processing of fibers, characterized in that a Mixture of Chinese wood oil with resin and powdered cork with the addition of soot in the state a tough, elastic mass on canvas or some other suitable, less elastic mass Base made of fibrous material and applied through the latter on the rollers is attached.

2. An embodiment of the method according to claim 1, characterized in that that the coatings can be cured either before or after application on the rollers to be heated to high temperature.

3. An embodiment of the method according to claim 1, characterized in that that the abutting edges of the coatings to be applied as a solid mass on the rollers beveled inwards in such a way that when they are pressed on at the joint a drift seam or a rib arises, which is removed by grinding or in some other way.

1 sheet of drawings.