The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2012
Filed:
Jun. 26, 2009
Ulf Berggren, Göteborg, SE;
Lennart Nilsson, Skärhamn, SE;
Ulf Berggren, Göteborg, SE;
Lennart Nilsson, Skärhamn, SE;
SCA Hygiene Products AB, Gothenburg, SE;
Abstract
A method for facilitating the alignment of first and second side panel portions of a pants-type diaper whilst feeding a pants-type diaper precursor in a machine direction through processing apparatus. The pants-type diaper precursor includes a leading edge region, a trailing edge region and first and second side edge regions, each of the first and second side edge regions having a first side panel portion at the leading edge region and a second side panel portion at the trailing edge region. The method includes applying elastic elements under tension to a flat continuous web having a predetermined width in the cross-machine direction, the web forming either the backsheet or the topsheet of the pants-type diaper. The elastic element in the trailing edge region is adapted to generate a greater gathering force than the elastic element in the leading edge region such that the first and second panels are better aligned when brought into overlapping relationship.