JPH02112660U - - Google Patents
Info
- Publication number
- JPH02112660U JPH02112660U JP1963289U JP1963289U JPH02112660U JP H02112660 U JPH02112660 U JP H02112660U JP 1963289 U JP1963289 U JP 1963289U JP 1963289 U JP1963289 U JP 1963289U JP H02112660 U JPH02112660 U JP H02112660U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- web
- printing press
- rotary printing
- drag
- 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.)
- Pending
Links
- 239000011148 porous material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Rotary Presses (AREA)
Description
第１図ａは本考案の実施例の斜視図、第１図ｂ
は配置図、第２図は本考案ドラグローラにおける
テンシヨンと摩擦係数の関係を示すグラフ、第３
図は従来の輪転印刷機の概要図、第４図は従来の
三角板前後の配置図で、ａは正面図、ｂは側面図
である。
１……ドラグローラ、４……多孔材質。
Figure 1a is a perspective view of an embodiment of the present invention, Figure 1b
Figure 2 is a graph showing the relationship between tension and friction coefficient in the drag roller of the present invention.
The figure is a schematic diagram of a conventional rotary printing press, and FIG. 4 is a diagram showing the front and rear layout of a conventional triangular plate, where a is a front view and b is a side view. 1...Drag roller, 4...Porous material.
Claims (1)
くとも一部分を多孔質材料で構成するか或は同ロ
ーラの表面に多数の小孔を設け、更にローラ内部
を圧力調節の可能な真空源に連通して同ローラ上
を走行するウエブを吸引し、ローラとウエブ間の
摩擦係数を制御することにより、ウエブのテンシ
ヨンを制御することを特徴とする輪転印刷機にお
けるドラグローラ。 At least a part of the surface of the triangular plate drag roller of a rotary printing press is made of a porous material, or a large number of small holes are provided on the surface of the roller, and the inside of the roller is connected to a vacuum source that can adjust the pressure. A drag roller for a rotary printing press, characterized in that the tension of the web is controlled by suctioning the web running on the roller and controlling the coefficient of friction between the roller and the web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1963289U JPH02112660U (en) | 1989-02-23 | 1989-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1963289U JPH02112660U (en) | 1989-02-23 | 1989-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02112660U true JPH02112660U (en) | 1990-09-10 |
Family
ID=31235316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1963289U Pending JPH02112660U (en) | 1989-02-23 | 1989-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02112660U (en) |
-
1989
- 1989-02-23 JP JP1963289U patent/JPH02112660U/ja active Pending