Film supply apparatus and filling and packaging system including the film supply apparatus
US8146328B2 · kind B2 · utility
3Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2007 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Oct 7, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/81
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Film supply apparatus (2) has two film holders (22a, 22b) supporting two rolls of film as film (101) on a use side and film (100) on a stand-by side respectively, feed rollers (3) for feeding film (101) on the use side, film holding member (34) holding a leading end portion of film (100) on the stand-by side, sucker (36) pulling back film (100) on the stand-by side upstream in a feeding direction and heater bar (31) heat-sealing two films (100, 101). Sucker (36) attracts film (100) by suctioning and pulls film (100) back to a position where a leading end portion thereof faces heater bar (31).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.