Method and apparatus for manufacturing elastic leg disposable diapers
US4432823A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 1981 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Jun 29, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1739
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for elasticizing the leg areas of disposable diapers is disclosed. Portions of a continuously moving elastic ribbon are attached to a continuously moving web at spaced apart locations along the length of the web corresponding to the leg areas of a finished diapers. The web is moved over at least one arcuate surface and the portions of the ribbon that are not attached to the web are drawn through a slot in the surface so that the unattached ribbon portions separate from the web and travel a shorter path than the web. While the unattached portions of the ribbon are passing through the slot, they are clamped intermediate their ends by clamping means. While the unattached ribbon portions are held clamped, they are cut at their ends by cutting means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.