Packaging convex objects in folded flat sheet - by pushing object on sheet through forming hole and securing folds, partic. temporary packing of hamburgers, pastries, etc.

摘要

Convex objects are packed in folded packages from flat sheet by placing the object (6) on the sheet (5) and pushing A together with the sheet through a shaping opening (4) which folds the sheet around the object. The folds are then secured by any means. The sheet is paper, plastic, coated or non coated e.g. PE, PP or polyester, or metalised sheets provided they are sufficiently flexible. USE/ADVANTAGE - Packaging objects partic. temp. such as hamburgers, pizzas, pastimes etc. of reasonable size cheaply and easily.