Patent · US Expired

Light-tight package for a roll of light-sensitive material

US6048676A · kind A · utility

8Cited by

3References

9Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Antoine De Leener · Westerlo, BE
Wim Hauchecorne · Puurs, BE
Dirk Peeters · Kontich, BE
Danny Van Geyte · Schilde, BE

Key dates

Filing date	Dec 1, 1998
Grant date	Apr 11, 2000
Priority date	—
Expiry date	Dec 1, 2018

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65D81/30
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

An improved light-tight package for a roll of light-sensitive strip material. The package includes a substantially straight, light-tight end cover for each end surface of the roll, and a light-tight flexible circumferential cover secured to the end covers and to the coiled strip material and covering the outermost convolution thereof. Each end cover includes a flexible disc and a rigid disc. The flexible discs are positioned between the end surfaces of the roll and the rigid discs.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.