Method of vacuum forming a molded article having an undercut...

Details Method of vacuum forming a molded article having an undercut... Method of vacuum forming a molded article having an undercut...

2007-02-06

2007-02-06

Lee, Edmund H. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Starting material is nonhollow planar finite length preform...

C264S318000, C425S388000, C425S438000

Reexamination Certificate

active

10145528

ABSTRACT:
A display unit for displaying various flat or flat-packaged articles, such as greeting cards, magazines, brochures, and the like is provided. The display unit includes a molded backboard having a plurality of walls joined to one another by a plurality of horizontal channels and a snap-in retainer for holding the displayed articles which is easily inserted into and removed from the channel of the backboard. Additionally, the present invention relates to a method of making such a molded backboard and a mold insert tool for use in forming the channel of the backboard.

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