Proampac Holdings Inc.

Hui-Yi Wang

Quang Phung

A wedge shaped container formed from a folded web of flexible material. The container comprises a base (), a rear wall () connected to the base, and a pair of upstanding side walls decreasing in height from the rear wall to the opposite end of the base. Each side wall is formed of two side wall panels () connected at an edge of the base and connected by a hinge joint. From a fold-flat configuration, folding of the rear wall () away from the base () causes the side wall panels () to be folded inwardly into the erected configuration. The container may have an integral lid (). The invention also extends to a method of making a blank using a sequence of cuts to create unsupported file regions.

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London, United Kingdom

Hui-Yi Wang