DE75236C - Pre-pressure roller with a patterned cylinder pushed on - Google Patents

Pre-pressure roller with a patterned cylinder pushed on

Info

Publication number
DE75236C
DE75236C DENDAT75236D DE75236DA DE75236C DE 75236 C DE75236 C DE 75236C DE NDAT75236 D DENDAT75236 D DE NDAT75236D DE 75236D A DE75236D A DE 75236DA DE 75236 C DE75236 C DE 75236C
Authority
DE
Germany
Prior art keywords
paper
pressure roller
roller
pattern
sheet metal
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 - Lifetime
Application number
DENDAT75236D
Other languages
German (de)
Original Assignee
E. hoesch in Düren, Rheinpreufsen
Publication of DE75236C publication Critical patent/DE75236C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/44Watermarking devices
    • D21F1/46Dandy rolls

Claims (1)

KAISERLICHESIMPERIAL PATENTAMT.PATENT OFFICE. Um verschiedenartige Muster auf das Papier in der Weise aufzutragen, dafs die Papiermasse dort, wo das Muster es erfordert, auf dem Papier wie ein Relief aufgelagert erscheint, wird nach vorliegender Erfindung ein dem Muster entsprechend durchlochter Cylinder (Blechrohr) auf das Drahthemd der Vordruckwalze geschoben. Die vorgenannte Eigenschaft erhält das Papier nicht, wie bisher bei Papieren und Luxuscarton üblich, etwa durch Einprägung, sondern durch sofort haltbare Einarbeitung im wässerigen Stoff, wie dies auch bei unvergänglichen Wasserzeichen, beispielsweise bei Werthzeichen, der Fall ist.In order to apply various patterns to the paper in such a way that the paper pulp where the pattern requires it, appears superimposed on the paper like a relief According to the present invention, a cylinder (sheet metal tube) perforated according to the pattern pushed onto the wire shirt of the pre-pressure roller. The aforementioned property is given the paper not, as was previously the case with paper and luxury cardboard, for example by embossing, but through immediately durable incorporation into the watery material, as is also the case with imperishable ones Watermark, for example with value marks, is the case. In den Fig. 1 bis 4 beiliegender Zeichnung sind Vordruckwalzen dargestellt, auf "deren Drahthemd ein solcher Cylinder in mehreren Mustern aufgeschoben ist.In FIGS. 1 to 4 of the accompanying drawings, pre-pressure rollers are shown, on "their Such a cylinder is slipped on a wire shirt in several patterns. Die zur Verwendung gelangende Vordruckwalze α, welche auf der durchgehenden Achse b sitzt und für alle vorkommenden Muster benutzt wird, kann als Schlauchvordruckwalze oder als Scheibenvordruckwalze hergestellt werden. Auf diese Walze α werden cylindrische Rohre c aufgeschoben, die aus Messing, Zink, Kupfer, Aluminium oder sonstigem Metallblech bestehen, das dem Muster entsprechend durchlocht, ist. Es können auch die gemusterten Metallrohre direct ohne Unterlage eines Schlauches über Rosetten, welche auf einer durchgehenden Achse sitzen, aufgeschoben und angewendet werden. Der innere Durchmesser dieser Rohre c entspricht dem äufseren Durchmesser der Walze a, und die Länge derselben kann dieselbe wie diejenige der Walze sein.The pre-pressure roller α used, which sits on the continuous axis b and is used for all patterns occurring, can be manufactured as a hose pre-pressure roller or as a disc pre-pressure roller. On this roller α cylindrical tubes c are pushed, which consist of brass, zinc, copper, aluminum or other sheet metal that is perforated according to the pattern. The patterned metal tubes can also be pushed on and used directly over rosettes, which sit on a continuous axis, without the support of a hose. The inner diameter of these tubes c corresponds to the outer diameter of the roller a, and the length thereof may be the same as that of the roller. In die Durchlochungen der Rohre, unter welchen sich das wasserdurchlässige Drahthemd der Vordruckwalze befindet, wird der Papierstoff hineingedrängt, wodurch das Papier das dem Muster entsprechende Aussehen erhält, und zwar in der Weise, dafs die Papiermasse aufgetragen erscheint.In the perforations of the pipes, under which the water-permeable wire shirt is the pre-pressure roller is located, the paper stock is forced in, causing the paper to an appearance corresponding to the pattern, in such a way that the paper pulp is applied appears. Für verschiedene Papierformate können auch Blechrohre, die kürzer sind als die Walze, verwendet werden, so dafs der Papierbogen nur an bestimmten Stellen die verlangten Eindrücke erhält. Es können ferner auch Blechrohre . benutzt werden, die nur ebenso lang sind als die betreffenden Bogenformate.For various paper formats, sheet metal tubes that are shorter than the roller, are used so that the sheet of paper only makes the required impressions in certain places receives. It can also be sheet metal pipes. which are only as long as the sheet formats in question.
DENDAT75236D Pre-pressure roller with a patterned cylinder pushed on Expired - Lifetime DE75236C (en)

Publications (1)

Publication Number Publication Date
DE75236C true DE75236C (en)

Family

ID=348217

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT75236D Expired - Lifetime DE75236C (en) Pre-pressure roller with a patterned cylinder pushed on

Country Status (1)

Country Link
DE (1) DE75236C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748422C (en) * 1941-01-19 1951-08-23 Antonius Kufferath Form roller for paper machines
EP0077385A1 (en) * 1981-04-24 1983-04-27 United States Gypsum Co Apparatus and method for producing surface molded panel.
EP0475739A1 (en) * 1990-09-11 1992-03-18 The Mead Corporation Paper making process and dandy roll for use therein

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748422C (en) * 1941-01-19 1951-08-23 Antonius Kufferath Form roller for paper machines
EP0077385A1 (en) * 1981-04-24 1983-04-27 United States Gypsum Co Apparatus and method for producing surface molded panel.
EP0077385A4 (en) * 1981-04-24 1985-11-25 United States Gypsum Co Apparatus and method for producing surface molded panel.
EP0475739A1 (en) * 1990-09-11 1992-03-18 The Mead Corporation Paper making process and dandy roll for use therein

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