LAYERED SHEETS AND PROCESSES FOR PRODUCING THE SAME
IT IS AN OBJECT OF A FIRST ASPECT OF THE INVENTION TO PROVIDE A PROCESS FOR EXTREMELY EASILY PRODUCING A LAYERED SHEET WHICH HAS A HOLDING SURFACE HAVING HIGH SURFACE ACCURACY. IT IS AN OBJECT OF A SECOND ASPECT OF THE INVENTION TO PROVIDE A PROCESS FOR EXTREMELY EASILY PRODUCING LAYERED SHEET WHICH...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | IT IS AN OBJECT OF A FIRST ASPECT OF THE INVENTION TO PROVIDE A PROCESS FOR EXTREMELY EASILY PRODUCING A LAYERED SHEET WHICH HAS A HOLDING SURFACE HAVING HIGH SURFACE ACCURACY. IT IS AN OBJECT OF A SECOND ASPECT OF THE INVENTION TO PROVIDE A PROCESS FOR EXTREMELY EASILY PRODUCING LAYERED SHEET WHICH HAS A HOLDING SURFACE HAVING HIGH SURFACE ACCURACY AND HAS THE EXCELLENT PROPERTY OF ADSORPTIVELY HOLDING A MATERIAL TO BE POLISHED. IT IS AN OBJECT OF A THIRD ASPECT OF THE INVENTION TO PROVIDE A LAYERED SHEET WHICH HAS A HOLDING SURFACE HAVING SURFACE ACCURACY AND HAS THE EXCELLENT PROPERTY OF ADSORPTIVELY HOLDING A MATERIAL TO BE POLISHED, AND A PROCESS FOR PRODUCING THE SAME. IT IS AN OBJECT OF A FOURTH ASPECT OF THE INVENTION TO PROVIDE A LAYERED SHEET WHICH HAS THE EXCELLENT PROPERTY OF ADSORPTIVELY HOLDING A MATERIAL TO BE POLISHED AND HAS EXCELLENT DURABILITY. EACH OF THE LAYERED SHEETS OF THE PRESENT INVENTION COMPRISES A BASE MATERIAL SHEET AND A POLYURETHANE FOAMED LAYER. |
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