Combined fiber containers and payout tubes and plastic payout tubes
US6109554A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Sep 21, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/534
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A payout tube for insertion in a radial hole of a wound coil of filamentary material and extending from the inner to the outer wind of said wound coil, comprising: PA1 an entrance opening and an exit opening in coaxial and spaced relationship with one another; PA1 the size of said entrance and exit openings being large enough to allow room for the inherent twist in the filamentary material to exit the exit opening without kinking; and PA1 a flange member surrounding the exit opening for engaging a panel of a container retaining the wound coil. The payout tube may be constructed of corrugated fiber, pulp paper or plastic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.