Process and device for applying a protective film to an alveolated board
US5069738A · kind A · utility
5Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1990 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | Jan 12, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1343
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Device for applying a protective film to a board consisting of two flat cover panels (2 and 3), coupled by partitions (4) integral with the panels, forming longitudinal cavities (5) comprising means for depositing a film of flexible material (7) on a first surface according to the longest dimensions of the board, so as to form a fold (71) at least over one of the ends onto which the cavities (5) open so as to cover the cavities with the fold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.