Patent · US Active

Method for forming a wrapping sheet having improved sealing

US9943448B2 · kind B2 · utility

0Cited by

25References

18Claims

0Family size

Assignee

SCA HYGIENE PRODUCTS AB · SE

Inventors

Conny Dahlqvist · Handen, SE
Ulrika Persson · Handen, SE
Sofia Ekstedt · Gothenburg, SE

Key dates

Filing date	Jun 13, 2014
Grant date	Apr 17, 2018
Priority date	—
Expiry date	Jun 13, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2013/8497
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A method for forming a wrapping material for hygiene articles involves: providing one of the inner edge portion and the outer edge portion of the edge zone of the first region with a first resealable adhesive, such that the other of the inner edge portion and the outer edge portion of the edge zone of the first region is adhesive-free; providing one of the inner edge portion and the outer edge portion of the edge zone of the second region with a first resealable adhesive, such that the other of the inner edge portion and the outer edge portion of the edge zone of the second region is adhesive-free; and providing at least one of the first central portion of the first region and the second central portion of the second region with a second adhesive; wherein the steps a-c are performed simultaneously.

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