Process for producing a rolled tab for a roll of plastic film
US5238641A · kind A · utility
4Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1991 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Dec 19, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2301/46075
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A process for forming a rolled tab on a roll of plastic film including a traction member or device such as an elongated support member adapted to be inserted in a parallel position between roller members of a trunion-type conveyor apparatus, said support member having a tractional surface for grabbing and rolling the leading edge of a roll of plastic film such that a rolled tab for the roll of film is formed when a roll of plastic film comes in rotational contact with the traction member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.