Edge embossing device
US4234300A · kind A · utility
22Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1978 |
| Grant date | Nov 18, 1980 |
| Priority date | — |
| Expiry date | Nov 28, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C67/0044
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An embossing device for roughening a lateral edge of a molded thermo-plastic sheet material by deforming it with a mechanical deforming device is disclosed. The device comprises a pair of rollers whose outer walls are rough and a structure for abutting these rollers against each other under pressure. The rough outer wall of at least one of the pair of rollers having a rough surface is provided with a plurality of relatively smooth stripes. The stripes are arranged in the width-wise direction of said roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.