JPH01158128U - - Google Patents
Info
- Publication number
- JPH01158128U JPH01158128U JP5449088U JP5449088U JPH01158128U JP H01158128 U JPH01158128 U JP H01158128U JP 5449088 U JP5449088 U JP 5449088U JP 5449088 U JP5449088 U JP 5449088U JP H01158128 U JPH01158128 U JP H01158128U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- water film
- dampening
- plate cylinder
- contact point
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 1
Landscapes
- Rotary Presses (AREA)
Description
第１図は本考案に係わる印刷機の湿し装置の一
実施例を示す側面図、第２図は同湿し装置におけ
る版面上咬えからの距離と水膜厚さとの関係を示
す説明図、第３図は従来の印刷機の湿し装置にお
ける版面上咬えからの距離と水膜厚さとの関係を
示す説明図、第４図は従来の平版オフセツト印刷
機のインキ装置及び湿し装置を示す側面図、第５
図は湿し装置の他の従来例を示す側面図である。
１……版胴、１ａ……ギヤツプ部、６……湿し
装置、７……水溜め、８……水元ローラ、９……
クロームローラ、１０……水着けローラ、１１ａ
，１１ｂ……水膜均らしローラ、Ａ……版胴１と
水着けローラ１０との接触点、Ｂ……水着けロー
ラ１０とクロームローラ９との接触点、Ｌ……ギ
ヤツプ部１ａの円周方向長さ。
Fig. 1 is a side view showing an embodiment of the dampening device of a printing press according to the present invention, and Fig. 2 is an explanatory diagram showing the relationship between the distance from the top of the printing plate and the water film thickness in the dampening device. , Fig. 3 is an explanatory diagram showing the relationship between the distance from the top of the plate and the water film thickness in the dampening device of a conventional printing press, and Fig. 4 shows the inking device and dampening device of a conventional lithographic offset printing press. 5th side view showing
The figure is a side view showing another conventional example of a dampening device. 1... Plate cylinder, 1a... Gap portion, 6... Dampening device, 7... Water reservoir, 8... Water source roller, 9...
Chrome roller, 10... swimsuit roller, 11a
, 11b...Water film leveling roller, A...Contact point between plate cylinder 1 and water forming roller 10, B...Contact point between water forming roller 10 and chrome roller 9, L...Circle of gap portion 1a Circumferential length.
Claims (1)
ラとクロームローラとの接触点までの間の水着け
ローラの外周面に２本以上の水膜均しローラを接
触させ、同各水膜均しローラのうち、少なくとも
１本の水膜均しローラの円周方向長さを上記版胴
に設けたギヤツプ部の円周方向長さに略等しくし
たことを特徴とする印刷機の湿し装置。 Two or more water film leveling rollers are brought into contact with the outer peripheral surface of the dampening roller between the contact point between the plate cylinder and the dampening roller and the contact point between the dampening roller and the chrome roller, and each water film leveling roller is A dampening device for a printing press, characterized in that the circumferential length of at least one of the water film leveling rollers is approximately equal to the circumferential length of a gap portion provided on the plate cylinder. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5449088U JPH01158128U (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5449088U JPH01158128U (en) | 1988-04-25 | 1988-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01158128U true JPH01158128U (en) | 1989-11-01 |
Family
ID=31280418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5449088U Pending JPH01158128U (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01158128U (en) |
-
1988
- 1988-04-25 JP JP5449088U patent/JPH01158128U/ja active Pending