发明名称 INTEGRAL TOPS AND BOWLS FOR SINKS AND THE LIKE AND METHODS OF MAKING THE SAME
摘要 An integral sink top and bowl structure and method of making the same are provided having an outer layer of rigid resin reinforced with fibers and an inner layer of substantially greater thickness of a foamed in situ resin fixed to said outer layer, said foamed resin having a density between about 5 to 20 lbs per cubic foot and a dense, hard skin on the exposed surfaces thereof.
申请公布号 US3673617(A) 申请公布日期 1972.07.04
申请号 USD3673617 申请日期 1969.09.16
申请人 ROBERT D. SCHULZ JR. 发明人 ROBERT D. SCHULZ JR.
分类号 B29C44/12;E03C1/18;(IPC1-7):E03C1/18 主分类号 B29C44/12
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