Method for folding jacket material for disk or the like
US4599080A · kind A · utility
2Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1985 |
| Grant date | Jul 8, 1986 |
| Priority date | — |
| Expiry date | Jan 24, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2241/007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method for folding a jacket material mainly for a magnetic cartridge, by using a folding insert, a folding bar and a heater bar, into a jacket of good external shape and high dimensional precision with a folded edge entirely free from loosening, warping, waving, swelling, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.