Corrugated paperboard including tear line

Details Corrugated paperboard including tear line Corrugated paperboard including tear line

2006-12-19

2006-12-19

Loney, Donald J. (Department: 1772)

Stock material or miscellaneous articles

Sheet, web, or layer weakened to permit separation through...

C428S182000, C229S207000

Reexamination Certificate

active

07150903

ABSTRACT:
In single-wall corrugated paperboard comprising corrugating medium joined on both sides to two liners and a tear line along which the corrugated paperboard can be torn open, the two liners are severed directly opposite each other, whilst the corrugating medium has no incision, or merely in the region of of the flute peaks, the tear line being configured straight or curved. This system results in the structural integrity of the corrugated paperboard being hardly detrimented. In the tearing open action the cut liners act as knife edges which cleanly sever the corrugating medium at the defined locations, producing neat cut edges of pleasing visual appeal.

REFERENCES:
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Norbert Troster, “Retailer's Recommendations for Recyclable Solid-fibre and Corrugated Cardboard Transport Packaging”, 30 pages, no date.
EHI Research, Information, Consultancy; International Network for the Retail Industry and its Partners, 10 pages, no date.

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