CN2137676Y

CN2137676Y - Gloss pressure roll

Info

Publication number: CN2137676Y
Application number: CN 92218776
Authority: CN
Inventors: 刘世骥
Original assignee: DADONG PAPER MILL ZHENJIANG CITY
Current assignee: DADONG PAPER MILL ZHENJIANG CITY
Priority date: 1992-09-20
Filing date: 1992-09-20
Publication date: 1993-07-07
Anticipated expiration: 2002-09-20

Abstract

The utility model belongs to paper-making equipment, in particular to a gloss pressure roll for a fourdrinier machine. In the prior art, the paper for making RMB or other bills is watermark paper for preventing counterfeit and being convenient for identification. The utility model provides a gloss pressure roll which is carved with a plurality of convex patterns which can be transferred to wet paper by the pressing action of the upper and lower pressure rolls. The utility model which can be modified from the existing paper-making equipment has the advantages that a plurality of patterns can be manufactured on the surface of the pressure roll according to the requirements of users; particularly, paper with low quantity can be manufactured with long fiber wood pulp with low proportion thus the cost is low.

Description

Gloss pressure roll

The utility model belongs to a kind of paper making equipment, particularly a kind of glazing press roller of fourdrinier machine.

At present, in order to prevent to forge, be convenient to differentiate that the dedicated paper of RMB or other bill adopts water marked paper more, promptly by certain a bit uses dandyprat on fourdrinier wire, or forms this water marked paper by the rotary screen cage that is surrounded by the pattern outer net that this all finishes at wet end.This online pattern needs special installation to make, and when paper machine making, easily mucilage produces eye simultaneously, and is high to the stock quality requirement, particularly at the low weight paper (30g/m that manufactures paper with pulp ²About) time, require to be furnished with the higher slurry of long fiber ratio, and be difficult for producing watermark clearly.

The purpose of this utility model provides a kind of glazing press roller that is carved with several convex patterns, can make the convex pattern through the squeezing effect of upper and lower pressure roller and can transfer on the l Water Paper page or leaf.

The purpose of this utility model is achieved in that the Surface Machining at the glazing press roller goes out groove, and the convex pattern is all arranged in the groove, and the surface of convex pattern and pressure roller surface are on the same face of cylinder.

Below in conjunction with accompanying drawing an embodiment of the present utility model is explained in detail:

Fig. 1 is the structural representation of an embodiment of the utility model.

Fig. 2 is the A-A generalized section of an embodiment of the utility model.

Carve the groove (3) of several 10 * 10mm on the top roll (rubber rollers) (1) of glazing press roller, all be carved with " S " shape convex pattern (2) in the groove, " S " shape is staggeredly placed anyhow, and the surface of surface of " S " pattern and rubber rollers is on the same face of cylinder.When containing the l Water Paper page or leaf process glazing press of certain moisture content (as 61-64%), then the squeezing effect by upper and lower roll just with " S " design transfer of its top roll to the l Water Paper page or leaf, be dried into paper by drying section then, then become just to have kept tangible pattern on the paper.

" S " shape pattern here is exactly to be 30g/m ²Low quantitative tax invoice dedicated paper is designed.

The utility model has following advantage:

(1) simple in structure, utilize existing paper making equipment to improve a little and get final product;

(2) can become several pattern according to user's needs in the pressure roller Surface Machining easily;

(3) the long fiber wood pulp that only need be equipped with low ratio just can be produced low weight paper (as 30g/m ²About), cost is reduced.

Claims

A kind of glazing press roller is characterized in that going out groove (3) in glazing press roller (1) Surface Machining, and convex pattern (2) is all arranged in the groove, and the surface of convex pattern and pressure roller surface are on the same face of cylinder.