E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
18/1029, 18/41,
E04C 2/20 (2006.01) B29C 43/22 (2006.01) B29C 47/00 (2006.01) B29C 47/32 (2006.01) B65D 90/04 (2006.01)
Patent
CA 2031016
An extrusion and calendering method is described by which it is possible to produce a plastic panel, in particular for the lining of concrete containers, having strongly undercut anchoring elements. These protrusions preferably consist of flat-shaped wings which are arranged approximately V-shaped, forming an angle with and being offset in their width from each other. The leading wing upon the manufacturing process has a smaller angle to the normal through the panel base. The wings may also, differing from the rectangular cross sectional shape described, have a round, oval, elliptical or square cross section.
La présente invention porte sur une méthode d'extrusion et de calandrage permettant de produire un panneau de matière plastique, en particulier pour le revêtement de conteneurs de stockage en béton, doté d'éléments d'ancrage à entailles profondes. Ces protubérances consistent de préférence en des ailettes planes grossièrement disposées en V, à angle les unes par rapport aux autres et décalées sur le sens de la largeur. Selon le procédé de fabrication, l'ailette principale présente, à la base du panneau, un angle moins grand par rapport à la normale. Les ailes peuvent également présenter une section de forme arrondie, ovale, elliptique ou carrée plutôt que la section rectangulaire de la variante décrite précédemment.
Agru Alois Gruber Gmbh
Moffat & Co.
LandOfFree
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