Web splicing apparatus
US4278489A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 3, 1979 |
| Grant date | Jul 14, 1981 |
| Priority date | — |
| Expiry date | Dec 3, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1707
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bobbin changer includes a storage arrangement for storing a number of reels, a reel unwinding station arranged to receive successive reels from the storage arrangement, means for initially rotating each new reel at the unwinding station in a reverse direction (i.e. opposite to the direction of rotation during unwinding), a suction head which is mounted adjacent to the reel and is arranged to pull the leading end portion of the web away from the reel as it approaches the suction head, and means responsive to the movement of the leading end portion of the web and arranged to discontinue the reverse drive on the reel and to initiate a splicing operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.