Packaging wrapper for disk-shaped magnetic information carriers

Details Packaging wrapper for disk-shaped magnetic information carriers Packaging wrapper for disk-shaped magnetic information carriers

B - Operations, Transporting

65

D

220/19, 129/39

B65D 85/57 (2006.01) G11B 33/04 (2006.01)

Patent

CA 1309388

Abstract of the Disclosure A packaging wrapper for disk-shaped magnetic information carriers is disclosed. The wrapper is formed by folding over a blank to form a flat wrapper. The wrapper has projecting tabs jutting out laterally from the sides of the front wrapper wall and overlap zones on the rear wrapper wall formed as a result of folding-over of the projecting tabs. The projecting tabs are firmly bonded to the rear wrapper wall by means of welding. The blank for forming the packaging wrapper is formed from a biaxially oriented, opaque multi-ply film comprising a base layer consisting essentially of polypropylene and fillers. The fillers are present in a quantity in the range from 5 to 30% by weight, relative to the total weight of the polypropylene and fillers.

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