Patent · US Active

Packaging unit having improved sealing properties

US9155668B2 · kind B2 · utility

4Cited by

8References

15Claims

0Family size

Assignee

SCA HYGIENE PRODUCTS AB · SE

Inventors

Annika Dahl · Gothenburg, SE
Linda Henriksson · Hagfors, SE
Robert Perneborn · Handen, SE
Eva-Li Saarvali · Mölndal, SE

Key dates

Filing date	Apr 23, 2012
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Apr 23, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T156/1051
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A packaging unit formed from a sheet of material having an inner surface, an outer surface and one folding axis dividing the sheet into a first region and a second region. The inner surface includes an inner edge portion and an outer edge portion, wherein one of the inner edge portion and the outer edge portion of the edge zone of the first region is provided with adhesive, and the other of the inner edge portion and the outer edge portion of the edge zone of the first region is adhesive-free. One of the inner edge portion and the outer edge portion of the edge zone of the second region is provided with adhesive, and the other of the inner edge portion and the outer edge portion of the edge zone of the second region is adhesive-free in a complementary manner to the edge zone of the first region.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.