Patent · US Expired

Packaging means having tab sealing means attached with solvent-free hot melt adhesive, hot melt adhesive therefor and method of adhesive bonding using said adhesive

US4896788A · kind A · utility

7Cited by

0References

14Claims

0Family size

Assignee

501 Schmalbach Lubeca AG · DE

Inventors

Georg Bolte · Vechelde, DE
Dieter Heinecke · Wendeburg, DE
Gunter Hexel · Braunschweig, DE
Rudolf Hinterwaldner · Munich, DE

Key dates

Filing date	Mar 25, 1988
Grant date	Jan 30, 1990
Priority date	—
Expiry date	Mar 25, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09J179/08
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A packaging means adapted to be filled with a liquid or solid fill material having an opening in a wall thereof sealed by a removable sealing means, the sealing means being attached to the wall of the packaging means in a manner effective to seal the opening by means of a solvent-free thermoplastic hot melt adhesive. A novel thermoplastic hot melt adhesive and a melt of use thereof to attach the sealing means are also provided.

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