Method for the manufacture of a roller shutter slat

Details Method for the manufacture of a roller shutter slat Method for the manufacture of a roller shutter slat

1992-02-28

1993-05-18

Echols, P. W.

Metal working

Method of mechanical manufacture

Assembling or joining

160235, B21D 3500

Patent

active

052109240

ABSTRACT:
The invention refers to a dimensionally stable roller shutter slat consisting of an aluminium strip plastic-coated on one side at least in part, and roll-formed into a hollow section 18 with the coated side inwards, the hollow section featuring upper and lower connecting areas with double-layer aluminum strip and an inside wall 14 as well as an outside wall 13, said hollow section featuring for the increase of the longitudinal stiffness and durability of the roller shutter slat at least one contact point 15, at which at least two aluminum strip layers are bonded connected with one another.

REFERENCES:
patent: 4470444 (1984-09-01), Riexinger
patent: 4723588 (1988-02-01), Ruppel
patent: 4972894 (1990-11-01), Machill
W. Wuich, "Grundlagen und Anwendung von Schmelzklebstoffen", GAK Dec. 1981, pp. 780-782.
L. Dorn, G. Moniatis, M. Rasche, "Beanspruchungsgerechte Gestaltung von Kunststoff-Metall-Klebverbindungen", Kunststoffe 79, 1989, pp. 491-499.
Hinterwaldner, "Hochleistungs-Schmelzklebstoffe beim Losen von Verbindungsaufgaben", Kunststoffberater Mar., 1987, pp. 61-62.

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