JPH01160464U - - Google Patents
Info
- Publication number
- JPH01160464U JPH01160464U JP5567588U JP5567588U JPH01160464U JP H01160464 U JPH01160464 U JP H01160464U JP 5567588 U JP5567588 U JP 5567588U JP 5567588 U JP5567588 U JP 5567588U JP H01160464 U JPH01160464 U JP H01160464U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- permanent magnet
- magnet member
- trol
- magnet roll
- 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.)
- Granted
Links
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Description
第１図は本考案の実施例におけるスリーブの表
面処理を説明する図、第２図は従来のマグネツト
ロールを示す要部縦断面図である。
１：永久磁石部材、６：スリーブ。
FIG. 1 is a diagram illustrating the surface treatment of a sleeve in an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of a main part of a conventional magnet roll. 1: Permanent magnet member, 6: Sleeve.
Claims (1)
石部材の外方に、非磁性材料により中空円筒状に
形成したスリーブを前記永久磁石部材と相対回転
自在に設けてなるマグネツトロールにおいて、ス
リーブの外周面を粗に形成すると共に、軸方向の
面粗さＲＡおよび円周方向の面粗さＲＢをＲＡ＜
ＲＢとしたことを特徴とするマグネツトロール。 (2) ＲＢ／ＲＡ≧２である請求項(1)記載のマグ
ネツトロール。[Claims for Utility Model Registration] (1) A hollow cylindrical sleeve formed of a non-magnetic material is placed outside a permanent magnet member having a plurality of magnetic poles on its outer circumferential surface and is rotatable relative to the permanent magnet member. In the magnet roll provided in
Magnet Trol is characterized by being an RB. (2) The magnet roll according to claim (1), wherein RB/RA≧2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988055675U JP2553340Y2 (en) | 1988-04-25 | 1988-04-25 | Magnet roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988055675U JP2553340Y2 (en) | 1988-04-25 | 1988-04-25 | Magnet roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01160464U true JPH01160464U (en) | 1989-11-07 |
| JP2553340Y2 JP2553340Y2 (en) | 1997-11-05 |
Family
ID=31281579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988055675U Expired - Lifetime JP2553340Y2 (en) | 1988-04-25 | 1988-04-25 | Magnet roll |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2553340Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119932A (en) * | 1978-03-10 | 1979-09-18 | Ricoh Co Ltd | Device for developing electrostatic latent image |
| JPS57158864A (en) * | 1981-02-24 | 1982-09-30 | Olivetti & Co Spa | Electrophotographic copying machine |
-
1988
- 1988-04-25 JP JP1988055675U patent/JP2553340Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119932A (en) * | 1978-03-10 | 1979-09-18 | Ricoh Co Ltd | Device for developing electrostatic latent image |
| JPS57158864A (en) * | 1981-02-24 | 1982-09-30 | Olivetti & Co Spa | Electrophotographic copying machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2553340Y2 (en) | 1997-11-05 |