Radiographic film package for non-destructive testing purposes
US5413901A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1993 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Nov 16, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/167
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A radiographic film package for non-destructive testing purposes has been developed, comprising a radiographic film sheet which is composed of a film support coated at both sides with one or more silver halide emulsion layer(s) and one or more non-light-sensitive protective antistress coating(s) thereover, and a wrapper around said film sheet which is light-opaque and air-tight, and which comprises a heat-sealable thermoplastic layer at the inner side of the wrapper, a transparent polymer layer at the outer side of the wrapper and a layer of aluminum located between said transparent polymer layer and said heat-sealable thermoplastic layer, and wherein at least one antistatic layer coating is provided between the said thermoplastic layer of said wrapper and the emulsion layers of said film sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.