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案件記録

MANUFACTURING METHOD FOR MULTI-LAYER FLOOR PANELS

発明審査中
1閲覧数
14請求項 · 1 独立
§ Ⅰ

案件概要

発明者

Grzegorz LASAK; Piotr HOFFMANN

IPC分類

B32B 19/4B32B 7/10B32B 37/10B32B 37/12B32B 38/B32B 43/

CPC分類

B32B19/42B32B7/10B32B37/10B32B37/1207B32B37/1284B32B38/8B32B38/12B32B38/164B32B43/6B32B2037/1215B32B2038/16B32B2255/4B32B2255/26B32B2260/25B32B2260/46B32B2307/7376B32B2309/4B32B2310/825B32B2310/14B32B2327/6B32B2471/

In a first pressing stage, constituting preliminary pressing, glued layers forming a single multi-layer floor panel () are pressed for a time between 5 and 50 seconds, until a physical, local joining of the layers is obtained allowing determination of the position of the sheets of solid wood constituting a top layer () being placed on a core composite layer () covered with an adhesive. In the next stage, a stack is formed from numerous floor panels () thus pressed, after which the said stack of preliminarily pressed floor panels () is subjected to pressing, constituting main pressing, for a time longer than 300 seconds, until the adhesive bond of the required durability and strength is obtained, wherein the adhesive () applied to the core composite layer () is a hot-melt polyurethane adhesive.

原文(中国語)

In a first pressing stage, constituting preliminary pressing, glued layers forming a single multi-layer floor panel () are pressed for a time between 5 and 50 seconds, until a physical, local joining of the layers is obtained allowing determination of the position of the sheets of solid wood constituting a top layer () being placed on a core composite layer () covered with an adhesive. In the next stage, a stack is formed from numerous floor panels () thus pressed, after which the said stack of preliminarily pressed floor panels () is subjected to pressing, constituting main pressing, for a time longer than 300 seconds, until the adhesive bond of the required durability and strength is obtained, wherein the adhesive () applied to the core composite layer () is a hot-melt polyurethane adhesive.

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