Meerlaags constructie-element

A multilayer material (1) comprises a partially cellular core layer (2) of plastic foam particles (3, 4, 5) bonded together with a plastic matrix (6) onto which a cover layer (11) is attached either directly via the matrix and/or indirectly via a plastic intermediate layer (12). Also claimed is (i)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	RUDOLF WEINGARTNER
Format:	Patent
Sprache:	dut
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BUILDING BUILDING MATERIALS FIXED CONSTRUCTIONS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STRUCTURAL ELEMENTS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A multilayer material (1) comprises a partially cellular core layer (2) of plastic foam particles (3, 4, 5) bonded together with a plastic matrix (6) onto which a cover layer (11) is attached either directly via the matrix and/or indirectly via a plastic intermediate layer (12). Also claimed is (i) a mfg. process in which the foam particles (3, 4, 5) are mixed with the polymer matrix (6) and pressed to form a block or plate; thermoplastic granules, film and/or paste are then placed either directly onto the block or an intermediate fibrous carrier (13) forming part of the intermediate layer (12), heated together with the cover layer (11) and pressed into the block. After cooling below the thermoplastic softening pt. the multilayer material is demoulded; and (ii) a mfg. plant including a conveying system for the thermoplastic coated carrier (13) having two parallel PTFE covered belts, one above the other and at a distance from each other, a heating unit, a press tool, and a handling system for the core block (2), cover layer (11) and intermediate layer (12).