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US 5,288,010 AGranted
Package
AssigneeYhtyneet Paperitehtaat Oy
InventorsPertti Kleemola, Ensio Mykkanen
Life of this patent
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AssigneeYhtyneet Paperitehtaat Oy
InventorsPertti Kleemola, Ensio Mykkanen
Estimating the term…
A package comprising a substantially cylindrical body part consisting mainly of cardboard and having reversely folded end portions at both ends of the body part. Substantially round closing parts consisting mainly of cardboard are provided at both ends of the body part. Each of the closing parts has an edge portion turned substantially perpendicular to the plane of the closing part and attached to the respective end of the body part by passing it within the end of the body part. The edge portion of each closing part underlies a reversely folded end portion of the body part. A closing ring comprises a bead inserted between each end portion of the body part and the adjacent closing part. The bead has, on the side of the closing part, a convexly rounded surface mating with a concavely curved surface of the adjacent closing part.
A package comprising a substantially cylindrical body part consisting essentially of cardboard and having reversely folded end portions at both ends of said body part;
A package comprising a substantially cylindrical body part consisting essentially of cardboard and having radially inwardly reversely folded end portions at both ends of said body part;
Dependencies are inferred from the claim text.