Carton blank for direct injection molded closures
US7571846B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2004 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Apr 3, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/90
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A carton blank is used in a form, fill and seal machine on which a closure is directly molded onto the carton. The molding portion of the machine includes a tool set having first and second tool elements in which the first tool element has an aligning member extending therefrom in a direction transverse to a direction of loading the carton between the first and second tool elements. The aligning element has a predetermined shape having diverging surfaces. The carton blank includes a rear wall panel, a first side wall panel, a front wall panel and a second side wall panel. Each panel is separated from its adjacent panels by a vertical score line. A closure panel is adjacent the front wall panel, has an opening therein and is configured for having a closure molded thereon. The closure panel is partitioned from the front wall panel by a first horizontal score line. The closure panel has a closure panel fin panel extending from a side opposite the front wall panel. The closure panel fin panel has a height measured to an edge of the fin panel. A first upper side panel is adjacent the first side wall panel and is adjacent the closure panel. The first upper side panel has a first upper si…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.