Method of producing film-wrapped packages or packaged units, and apparatus for carrying out such method
US4729205A · kind A · utility
3Cited by
8References
6Claims
0Family size
Inventor
Key dates
| Filing date | Jan 8, 1987 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Jan 8, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/66
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method of producing film-wrapped packages or packaged units, wherein a package or packaged unit is wrapped in a film hose formed by helical wrapping of the film (web) (30). In front of the wrapping front advancing relative to the package, a tear-up thread is also enclosed by the forming film hose. A wakening (tear-up) line is formed in the film hose in the vicinity and along the length of the tear-up thread. Here, an abutment for a spiked roller (10) is formed by a stationary tongue (12) above a conveyor belt (6) and below the film (web) (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.