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US 2007/0184258 A1Published application
Plastic planar structure comprising a foamed upper layer
AssigneeDerin Holzapfel & Co. Grundbesitz und Beteiligungs KG
InventorUwe Stockhelm
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Abstract
A plastic planar structure, comprising: a bearing layer which contains plastic foam; and an upper layer, also containing plastic foam, which adheres on the bearing layer in a material lock, and a method for manufacturing a plastic planar structure, wherein: a foamed or foamable first plastic material of a web-shaped or mat-shaped bearing layer is provided, onto which a foamable second plastic material is applied, and foamed.
Claims26
A plastic planar structure, comprising:
- a) a bearing layer which contains plastic foam;
- b) and an upper layer, also containing plastic foam, which adheres on the bearing layer in a material lock.
A method for manufacturing a plastic planar structure, comprising:
- a) providing a foamed or foamable first plastic material of a web-shaped or mat-shaped bearing layer;
- b) applying a foamable second plastic material onto the first plastic material;
- and
- c) foaming at least the second plastic material.
1 more element
Dependencies are inferred from the claim text.