Container for photoprocessing materials
US6213322A · kind A · utility
1Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Nov 17, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/36
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container for photochemical materials has a frangible closure. The frangible closure has a central weakness and a central portion having a thickness and a central portion of greater thickness than the thickness of the central weakness. A radial weakness connects with the central weakness enabling the central weakness to collapse in response to an applied predetermined force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.