Continuous in-line pleating apparatus and process
US7963899B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2001 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Dec 17, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H45/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A web pleating apparatus comprising a first series of converging elongate spaced protuberances and a second series of elongate spaced protuberances converging in the machine direction. The first series of protuberances and said second series of protuberances interleave in the Z-direction. The interleaved protuberances are capable of folding a pleatable web into a generally pleated pattern of machine direction pleats upon contact with said first and second series of protuberances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.