PT83412A - Sheet material magnetising system for vehicle mfr. - has permanent magnets and pole pieces in head producing magnetisation of particles in sheet - Google Patents
Sheet material magnetising system for vehicle mfr. - has permanent magnets and pole pieces in head producing magnetisation of particles in sheetInfo
- Publication number
- PT83412A PT83412A PT8341286A PT8341286A PT83412A PT 83412 A PT83412 A PT 83412A PT 8341286 A PT8341286 A PT 8341286A PT 8341286 A PT8341286 A PT 8341286A PT 83412 A PT83412 A PT 83412A
- Authority
- PT
- Portugal
- Prior art keywords
- pole pieces
- sheet
- sheet material
- permanent magnets
- particles
- Prior art date
Links
Landscapes
- Laminated Bodies (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Moulding By Coating Moulds (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Material containing magnetisable particles is passed through a unit to allow the material to be selectively magnetised. A linear arrangement has a series of permanent magnets that alternate with the pole pieces. The sheet material is passed beneath the magnet-pole pieces and strips of material corresponding to the pole pieces are magnetised. An alternative has disc shaped magnets (14) and an iron pole piece (15) that are located in a PTFE block (16). The axial magnetised disc and pole piece are shielded by plates (17) inset into the body. The head is moved across the sheet material to produce selective magnetisation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853533968 DE3533968C2 (en) | 1985-09-24 | 1985-09-24 | Device for magnetizing layers containing magnetizable material |
EP86111055A EP0218044A1 (en) | 1985-09-24 | 1986-08-09 | Device for the magnetization of layers, tapes, ribbons or sheets comprising magnetizable material |
Publications (2)
Publication Number | Publication Date |
---|---|
PT83412A true PT83412A (en) | 1987-05-06 |
PT83412B PT83412B (en) | 1993-09-30 |
Family
ID=25836315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT8341286A PT83412B (en) | 1985-09-24 | 1986-09-22 | DEVICE FOR THE MAGNETIZATION OF LAYERS, RIBBONS, SCREENS OR SHEETS CONTAINING MAGNETIZAVEL MATERIAL |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES2001979A6 (en) |
PT (1) | PT83412B (en) |
-
1986
- 1986-09-22 PT PT8341286A patent/PT83412B/en not_active IP Right Cessation
- 1986-09-23 ES ES8602100A patent/ES2001979A6/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2001979A6 (en) | 1991-03-16 |
PT83412B (en) | 1993-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19930303 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19960930 |