Patent ID: 7136580
Filing Date: 2006-11-14
Classification: G03B

Abstract:
1. A packaging bag for packaging a lens-fitted photo film unit, said packaging bag having a tube-shape made of a sheet-type material, both end portions of said packaging bag being sealed for wrapping said lens-fitted photo film unit, said packaging bag comprising: a sealing section for shaping said sheet-type material into said tube-shape, said sealing section being formed by adhering insides of both side edge portions having lightproof property of said sheet-type material, a lightproof overlapping section being formed in a shape of line adjacent to one of said side edge portions of said sheet-type material, said sealing section being folded down to overlay on said overlapping section, said overlapping section covering a taking lens of said lens-fitted photo film unit packaged by said packaging bag; a transparent window section for making at least a part of said lens-fitted photo film unit observable from outside; and an opaque section surrounding said window section, said opaque section being a portion except said sealing section and said overlapping section.