Wrapping machine and method of folding wrapping film in wrapping machine
US4631903A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 22, 1985 |
| Grant date | Dec 30, 1986 |
| Priority date | — |
| Expiry date | Nov 22, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B11/54
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A wrapping machine comprises: front and rear folding members movable relative to each other in the longitudinal direction of the machine; a pair of lateral folding members respectively positioned at both lateral sides of the rear folding member, the lateral folding members being opened and closed with respect to each other in response to the longitudinal movement of the rear folding member; a folding area defined between the front and rear folding members and the pair of lateral folding members, in which folding area the edge portions of a piece of wrapping film are gathered together tightly underneath an object to be wrapped; and a pair of mounting members positioned above the pair of lateral folding members, respectively, and entering the space underneath the object so as to mount the same thereon before all of the folding members enter the space underneath the object so as to fold the piece of wrapping film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.