Cylindrical cardboard box has cover constituted from peripheral ring on which cardboard disc forming double bottom and convex top are fixed, cylindrical ring forming box bottom has cardboard base

摘要

The box cover is constituted from a peripheral ring (7) on which are fixed a cardboard disc (5), serving as a double bottom, and a convex top (2) formed from a second cardboard disc. The ring is coated with a glued paper band. The bottom of the box is formed from a cylindrical ring (9) of white wrapping paper. A cardboard disc (10) serves as a double bottom and a cardboard base (4) juts out around the ring. Independent claims are included for method of making boxes and an automatic assembly machine.