Pipe core of stencil paper cylinder for mimeograph and retainer

A technology for cages and tubes, applied in printing plates, foils, printing, etc., can solve the problems of expensive tube core manufacturing, precise and inconvenient tube core processing

Inactive Publication Date: 2004-06-16
RISO KAGAKU CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods are inconvenient, so that the processing of the tube core needs to be precise, or disadvantageously, the manufacturing cost of the tube core becomes expensive

Method used

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  • Pipe core of stencil paper cylinder for mimeograph and retainer
  • Pipe core of stencil paper cylinder for mimeograph and retainer
  • Pipe core of stencil paper cylinder for mimeograph and retainer

Examples

Experimental program
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Embodiment Construction

[0020] The present invention will now be described in detail with reference to the accompanying drawings showing embodiments, but this does not limit the scope of the present invention. In this connection, the component parts of the embodiment of the present invention having the same functions as those in the above-mentioned conventional art are denoted by the same reference numerals.

[0021] First, refer to the attached figure 1 with 2 , schematically illustrates a first embodiment of the present invention. exist figure 1 Among them, the stencil roll R is formed by winding the length of the stencil paper 12 around the first tube 11 formed of paper or cardboard and shaped as a cylindrical hollow tube with both ends open. This structure is the same as that of the conventional stencil roll R shown in FIG. 5 . The first tube 11 has a right end opening 14 to which a holder H similar to that of FIG. 5 is fitted in use. The holder H has a cylindrical short tubular boss 22 prot...

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PUM

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Abstract

There is provided a tube core for a stencil sheet roll, and holders fitted to the tube core. The tube core for the stencil sheet roll has two ends in which the holders are installed. The holders have a guide plate and a projection projecting therefrom. The tube core has openings at the ends into which the projections are inserted. The openings are different in inner dimension from each other such that the projections different in dimension from each other are fitted therein respectively. The tube core is formed of a first tube. The end opening of the tube core is formed by one of the openings of the first tube, while the other opening of the tube core is equal to an opening of a second tube which is nested in the first tube at a location neighboring to the other end opening of the tube. The tube forms a step portion, and the holder may have a shoulder portion.

Description

technical field [0001] The invention relates to a pipe core and a pair of retainers of a stencil cylinder for mimeograph. When in use, the stencil cylinder for mimeograph is installed on a stencil printer. Background technique [0002] Conventionally, a stencil roll R is formed by winding a length of stencil paper 12 around a cylindrical tube core 11 as shown in FIG. 5 . The tube core 11 is generally formed of cardboard used and shaped into a cylindrical shape. Such tube cores 11 are also called cardboard rolls. [0003] In order to install the stencil roll R for mimeograph on the stencil printer, a pair of holders H installed in the openings 13 and 14 at both ends of the tube core 11 are required. Each holder H is formed by a disc-shaped guide plate 21 and a cylindrical boss 22, and the guide plate 21 extends along the end surface of the roller R to guide the edge of the stencil paper 12 pulled out from the roller R. , And like the boss 22 of the short pipe concentricall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41L13/14B41L13/00B41N1/24B65D85/66B65H16/06B65H75/02B65H75/10B65H75/18
CPCB65H2402/61B65H75/185B41N1/24B41L13/00B65H75/182B65H75/10B65H2402/60
Inventor 大岛健嗣
Owner RISO KAGAKU CORP
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