Patent · US Expired

Adhesive tape

US6004665A · kind A · utility

30Cited by

8References

13Claims

0Family size

Assignee

BEIERSDORF AG · DE

Inventors

Bernd Lühmann · Norderstedt, DE
Andreas Junghans · Hamburg, DE

Key dates

Filing date	Nov 24, 1997
Grant date	Dec 21, 1999
Priority date	—
Expiry date	Nov 24, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2883
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Adhesive tape for a bond which can be redetached by pulling without residue and without damage, having a foam backing coated on one or both sides with a self-adhesive composition, characterized in that PA1 a) on at least one of the two sides of the foam backing there is applied a self-adhesive composition whose ratio of tear strength to stripping force (peel force) at a peel angle of less than 10.degree. to the bond surface is greater than 1.2:1, PA1 b) the elongation at break of the adhesive tape is greater than the elongation at break of the foam backing, and PA1 c) the foam backing tears during the redetachment of the bond by pulling (stripping).

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