Process for making a disposable diaper
US7132031B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2004 |
| Grant date | Nov 7, 2006 |
| Priority date | — |
| Expiry date | Jan 8, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/133
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In a process for making disposable diapers, a first web is continuously fed in its longitudinal direction. Tape fastener members extending in the longitudinal direction are fed to the first web so as to straddle respective lines corresponding to the side edges of the respective backsheets. Each of the tape fastener members has its longitudinally opposite end portions folded in a Z-shape or an inverted Z-shape. Top sections of these Z-shape and inverted Z-shape are coated on their undersides with a first self adhesive and bottom sections of these Z-shape and inverted Z-shape are coated on their undersides with a second self-adhesive. The tape fastener member is bonded to the first web by means of the second self-adhesive. The first web and the tape fastener members are simultaneously cut along the lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.