Method of bonding a thermoplastic component to a carpeted component and the carpeted component to a cellulose-based core in a single pressing step
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United States of America Patent
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Aug 25, 2020
Grant Date -
May 21, 2015
app pub date -
Jan 23, 2015
filing date -
Jun 14, 2012
priority date (Note) -
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Abstract
A method of bonding a thermoplastic component to a carpeted component and the carpeted component to cellulose-based core in a single pressing step is provided. The method includes providing a base component of a reinforced thermoplastic material, the thermoplastic component, a fibrous thermoplastic carpet or mat between the components, a sheet of thermoplastic adhesive and a core of cellulose-based material. The method also includes heating the thermoplastic component and the carpet at the interface between the thermoplastic component and the carpet for a period of time to soften the carpet. The method finally includes pressing the components, the sheet, the core and the softened carpet together under a pressure to cause the softened carpet to flow. The carpet at the interface is transformed into a solid bonding layer to bond the components together and the sheet bonds the base component and the core together to create a finished structure.
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