Patent · US Expired

Process for the self-sealing of containers

US5802815A · kind A · utility

2Cited by

9References

17Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Christoph Lohr · Wuppertal, DE
Krebs Michael · Hilden, DE
Robert Magunia · Mosbach, DE

Key dates

Filing date	Aug 14, 1996
Grant date	Sep 8, 1998
Priority date	—
Expiry date	Aug 14, 2016

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65D2251/0081
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A process for filling and self-sealing containers with molten materials is provided. The process comprises filling a container with a molten material and covering the surface of the molten material which is still at elevated temperature after filling with an insert consisting of a plastic film and a plastic disk. The plastic film faces the molten material and is larger than the plastic disk. The diameter of the plastic disk is slightly smaller than the internal diameter of said container.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.