US 2014/0349077 A1 · CORE MATERIAL FOR SANDWICH PANEL, METHOD OF MOLDING CORE MATERIAL FOR SANDWICH PANEL, SANDWICH PANEL, AND METHOD OF MOLDING SANDWICH PANEL

Abstract

A core member for a sandwich panel and a method of forming the core member for the sandwich panel which are capable of attaining a desired profile, a desired pattern on their surfaces, and a desired inner structure in accordance with an application of the sandwich panel. There is provided a thermoplastic resin core member interposed between two resin skin sheets comprising a closed hollow portion located to be inside of a desired position in accordance with an application of the sandwiched panel, and it is formed by clamping parison of a molten thermoplastic resin positioned to be between two split molds so as to exhibit a desired profile and/or a surface shape, two surfaces against each of which the molten parison is pressed to form an adhesive surface on which the corresponding resin skin sheet is formed.

Claims7

Dependent claims

A sandwich panel comprising:

two resin skin sheets;
a thermoplastic resin core member interposed between the two resin skin sheets, the thermoplastic resin core member having two opposed surfaces and an end portion, each of the surfaces being adhered to a corresponding one of the two resin skin sheets in face-to-face contact, and the end portion including a convex portion;
and
a reinforcing member provided between the two resin skin sheets so as to be integrally connected to the thermoplastic resin core member, the reinforcing member including a concave portion extending in its longitudinal direction and complementary in shape with the convex portion for fitting with the end portion of the thermoplastic resin core member, the convex portion of the end portion of the thermoplastic resin core member being press fitted into the concave portion.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

14/457,964Filed 12 Aug 2014

Priority

JP 2008-11940430 Apr 2008

Published

27 Nov 2014

Term ends

Not estimatedThe source records don’t support an estimate.

Classification48 codes

B32B 3/06
Characterised by features of form at particular places, e.g. in edge regions: for securing layers together; for attaching the product to another…
B29C 43/146
In several steps: for making multilayered articles
B29C 48/07
Characterised by the shape of the extruded material at extrusion: flat, e.g. panels
B29C 49/0691
Using combined techniques for making the preform: using sheet like material, e.g. sheet blow-moulding from joined sheets

Core material for sandwich panel, method of molding core material for sandwich panel, sandwich panel, and method of molding sandwich panel

Life of this patent

Core material for sandwich panel, method of molding core material for sandwich panel, sandwich panel, and method of molding sandwich panel

Life of this patent

Abstract

Claims7