Patent Number: 6,685,689

Title: Method of producing an outer sheet that includes barrier flaps, and an outer sheet produced in accordance therewith

Abstract: A method for producing an elongate sheet of material that includes barrier flaps which extend along the side-edges of said sheet in spaced relationship with respective side-edges, and which project up from the plane of the sheet, including placing along each edge-part of a first elongate web a narrower second elongate web, so the outer side-edges of respective second webs will lie edge-to-edge with the side-edges of the first web; placing along each edge-part of the first elongate web and on top of respective second webs a third elongate sheet narrower than the first sheet, so the outer side-edges of respective third webs will lie edge-to-edge with the side-edges of the first and second webs; joining the first, second and third webs together with a join extending along the outer side-edges of the webs; and swinging the third webs laterally outwards through 180.degree. around the join lines.

Inventors: Ronnberg; Peter (Molndal, SE)

Assignee: SCA Hygiene Products AB

International Classification: A61F 13/15 (20060101); A61F 013/15 ()

Expiration Date: 02/03/2021