Light-tight bag having a trapped air exit

Details Light-tight bag having a trapped air exit Light-tight bag having a trapped air exit

1996-07-03

1998-02-03

Smith, Matthews S.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

396517, G03B 2758

Patent

active

057150419

ABSTRACT:
A bag and a method of packing a bag for storing sheets of material, such as photosensitive materials, provides a light-tight environment for the photosensitive material. The bag has a rear end which has a serpentine passageway, thereby creating a light-tight end as well as allowing for entrapped air to exit the cavity of the bag.

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