发明名称 Process for manufacture of an acoustic panel and acoustic panel with sandwich construction
摘要 PCT No. PCT/EP96/05150 Sec. 371 Date Jul. 9, 1998 Sec. 102(e) Date Jul. 9, 1998 PCT Filed Nov. 22, 1996 PCT Pub. No. WO97/25491 PCT Pub. Date Jul. 17, 1997A dimensionally stable and fireproof acoustic panel includes an underlying panel covered on one or both sides by a cover panel. The underlying panel can be produced with a cover layer on the interior side thereof. The cover layer is composed of two layers, a coarse-pored stabilizing intermediate layer which in turn is covered by a second, fine-pored outer layer, both of which are bonded to one another and to the underlying panel by a matrix of adhesive material.
申请公布号 US6057254(A) 申请公布日期 2000.05.02
申请号 US19980101625 申请日期 1998.07.09
申请人 WILHELMI WERKE AG 发明人 BENDER, KLAUS;WACHTER, ROBERT;FIEDLER, BERND
分类号 E04B1/84;E04B1/86;(IPC1-7):D04H5/18;B32B5/00 主分类号 E04B1/84
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