Method of making embossed face acoustical insulation panel
阅读：723发布：2023-04-23
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1. A METHOD OF MAKING A COMPOSITE ACOUSTICAL PANEL COMPRISING THE STEPS OF ENCHASING THE FACE OF A PLATE MEMBER TO PROVIDE A PATTERN OF GROOVES SEPARATED BY FLAT, CO-PLANAR LANDS, APPLYING TO SAID FACE A FIRST LIQUID HEAT REACTIVE MATERIAL IN SUFFICIENT VOLUME TO AT LEAST FILL THE GROOVES TO THE LEVEL OF THE LANDS, COMPLETELY WIPING FROM THE LANDS ANY EXCESS OF SAID FIRST MATERIAL TO COMPLETELY EXPOSE THE LANDS, HEATING SAID FIRST HEAT REACTIVE MATERIAL SUFFICIENTLY TO SOLIDIFY SAME, APPLYING A SECOND LIQUID HEAT REACTIVE MATERIAL OF DIFFERENT COLOR THAN SAID FIRST MATERIAL TO SAID PLATE TO COMPLETELY COAT THE LANDS AND EXPOSED AREAS OF SAID FIRST MATERIAL, SUPERPOSING A FIBROUS MAT ON SAID SECOND MATERIAL AND COMPRESSING SAID MAT TOWARD SAID SECOND MATERIAL WITH SUFFICIENT FORCE TO CAUSE SAID SECOND MAERIAL TO STRIKE PARTIALLY INTO SAID MAT, CURING SAID FIRST AND SECOND MATERIALS WHEREBY TO FUSE THEM TO ONE ANOTHER AND TO ADHERE THE MAT PERMANENTLY TO THE HEAT REACTIVE MATERIAL, AND STRIPPING THE COMPOSITE OF MAT AND HEAT REACTIVE MATERIAL FROM THE PLATE.
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