Cover for roll of convoluted sheet material
AssigneeSulzer Papertec Krefeld GmbH
InventorsJakob Hannen, Frank Rostek
Life of this patent
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Abstract
A circular cover of corrugated cardboard for application to one end face of a roll of convoluted sheet material has two mirror symmetrical tongues which can be pivoted along parallel bending scores out of the plane of the cover for introduction into one end portion of a tubular core within a roll by an apparatus having a depository for covers and a device which transfers covers from the depository to the end faces of rolls. The depository centers and turns the covers so that each cover is properly oriented relative to the transporting device. The latter has two pivotable pushers which can pivot the tongues of a properly centered and oriented cover and thereupon insert the pivoted tongues into one end portion of a core.
Claims33
A cover for use as a part of an envelope for a roll of convoluted sheet material, comprising a stiff panel disposed in a predetermined plane and including a first section and at least one second section, said panel having a through cut disposed between first portions of said sections, a bending score between second portions of said sections, and at least one breakable web connecting said sections across said through cut, said at least one second section being pivotable out of said plane along said bending score upon breakage of said at least one web.
A cover for use as a part of an envelope for a roll of convoluted sheet material, comprising a stiff panel disposed in a predetermined plane and including a first section and at least one second section, said panel having a through cut disposed between first portions of said sections and a bending score between second portions of said sections, said at least one second section being pivotable out of said plane along said bending score and said at least one second section having a second through cut subdividing said at least one second section into a plurality of smaller sections each of which is pivotable out of said plane about said bending score.
Dependencies are inferred from the claim text.