Method for packaging articles using cauterized films to inhibit tearing
US8844248B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2012 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Nov 8, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B9/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a method for forming a bag around an article, the method comprising: providing an oriented film; cauterizing the film at a temperature sufficient to de-orient a portion of the film to create a cauterized area on the continuous film; placing an article(s) on the film between adjacent cauterized areas; heat-sealing the film around the article(s) such that at least a portion of the film between the heat-sealed area and the article comprises the cauterized area. Also, provided is a form, fill, and seal apparatus comprising a heat sealer and a cauterizer, both having a temperature control, the heat sealer positioned to allow the heat sealer to form a seal between two edges of film having an article wrapped therein, and the cauterizer positioned to cauterize an area of the sealed film in an area adjacent to the sealed edges and the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.