Continuous supply of preformed reclosable fasteners
US6117060A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 25, 1999 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Feb 25, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B70/8133
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A continuous supply of preformed reclosable fasteners suited for use in combination with an apparatus for attaching a reclosable fastener to a web of flexible material primarily intended for use with a host packaging machine to form a reclosable container. Strips of reclosable fasteners are arranged in side-to-side relation to each other, and the distal ends of each fastener strip are flattened by the application of heat and pressure whereby the distal ends are not only reduced in thickness, but also fused one to the other, thereby resulting in a continuous length of preformed reclosable fasteners. In a preferred form, the continuous length is wound around a core to create a roll of fasteners. This roll is suited for use in combination with an apparatus for attaching reclosable fasteners to a web of flexible material used by a form, fill, seal, and separate machine making reclosable containers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.