Patent · US Expired

Flat laminate part consisting of a substrate layer, a cover layer and an auxiliary pull-off means for the cover layer

US4587146A · kind A · utility

64Cited by

13References

9Claims

0Family size

Assignee

LOHMANN GMBH & CO. KG · DE

Inventors

Dieter Anhauser · Melsbach, DE
Gerhard Kreitlow · Neuwied, DE
Hubertus Olbrich · Neuwied, DE
Karl-Heinz Reinhold · Eschborn, DE
Gunter Simon · Hillesheim, DE
Karl-Heinz Gockel · Essen, DE

Key dates

Filing date	Dec 3, 1984
Grant date	May 6, 1986
Priority date	—
Expiry date	Dec 3, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/265
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The present invention is related to a flat laminate part consisting of a substrate layer and a cover layer having an auxiliary pull-off means to so pull-off said cover layer or parts of said cover layer said auxiliary pull-off means comprising a preset cut or cuts or a preset breaking line or lines in said cover layer, said auxiliary pull-off means being improved by having a stiffened area in the surrounding of the preset cuts or preset breaking lines in order to facilitate the producing of the grasp parts for pulling off said cover layer or parts of said cover layer.

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