초록 ▼

An acoustical insulation panel to absorb and attenuate sound energy comprising an inner core including a plurality of cells formed therein and an outer membrane disposed on each side of the inner core to cooperatively form a plurality of sound attenuating chambers, each outer membrane includes an in

An acoustical insulation panel to absorb and attenuate sound energy comprising an inner core including a plurality of cells formed therein and an outer membrane disposed on each side of the inner core to cooperatively form a plurality of sound attenuating chambers, each outer membrane includes an inner substrate of nonwoven meltblown microfiber acoustical absorbing fabric extending into each of the plurality of cells to cooperatively form the corresponding sound attenuating chamber therebetween and an outer facing to protect the corresponding inner substrate of nonwoven meltblown microfiber acoustical absorbing fabric.

대표청구항 ▼

[ What is claimed is:] [1.]1. An acoustical insulation panel to absorb and attenuate sound energy comprising an inner core including a plurality of cells formed therein and an outer membrane disposed on one side of the inner core to cooperatively form a plurality of sound attenuating columns, said o

[ What is claimed is:] [1.]1. An acoustical insulation panel to absorb and attenuate sound energy comprising an inner core including a plurality of cells formed therein and an outer membrane disposed on one side of the inner core to cooperatively form a plurality of sound attenuating columns, said outer membrane includes an inner substrate of nonwoven meltblown microfiber acoustical absorbing fabric extending into each of the plurality of cells to cooperatively form said corresponding sound attenuating column and an outer facing to protect said inner substrate of nonwoven meltblown microfiber acoustical absorbing fabric.