Packaging case

Details Packaging case Packaging case

2006-04-04

2006-04-04

Mai, T. (Department: 3727)

Envelopes, wrappers, and paperboard boxes

Molded or pressed container

C229S107000, C229S902000, C229S938000

Reexamination Certificate

active

07021526

ABSTRACT:
A packaging case1is formed of a unitary blank1aof paper material. The unitary blank1ahas at least two fold lines2a,2bbetween which a back side wall6ais formed and both sides of which a bottom wall10and a top wall11are formed. The unitary blank1ahas also incisions3a,3bformed on both ends of the fold lines2a,2b.The unitary blank is deep drawn to form side walls6on each periphery of the bottom wall10and the top wall11and form rims8a,8bprotruding outwardly from each upper end of the side walls6.The unitary blank is folded along the fold lines2a,2bso that the rims8a,8bcome into contact with each other, whereby the bottom wall10,the top wall11,the back side wall6aand the side walls6constitute an inner space.

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patent: 5379934 (1995-01-01), Lorenz
patent: 6415944 (2002-07-01), Toussant

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