Record stamper protector
US4327830A · kind A · utility
14Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1981 |
| Grant date | May 4, 1982 |
| Priority date | — |
| Expiry date | Jan 30, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D85/544
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A stamper protector is disclosed which is comprised of a recording cover and a center cover. The recording cover is made of a laminated material which has a tough outer layer and a resilient soft inner layer. The recording cover is cut in the form of an annular ring of a size such that it will cover the entire recorded area of the stamper from the outer molding land to the unrecorded center portion of the stamper. The center cover is cut to a size which will cover the entire center of the recording cover when it is adhered to the outer layer of the recording cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.