Fluid pack and process for the production thereof
US4887765A · kind A · utility
8Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1988 |
| Grant date | Dec 19, 1989 |
| Priority date | — |
| Expiry date | Oct 26, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/708
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A fluid pack made of plastics-coated paper in which the side walls (2) and/or the cover (1) are connected together by way of fold edges (9) and provided in the cover (1) is an opening device (7) having a cover strip (10) which sealingly engages over a stamped-out hole (6). So that the opening device (7) can be produced in an operationally reliable and economic fashion even in a high-capacity machine, the cover strip (10) is injected plastics material and the edge regions (13) thereof cover over the edge portions (14) of the stamped-out hole (6) on both inner and outer sides of the hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.