发明名称 CONVERSION OF STRIPPED ROOF MATERIAL INTO USEFUL PRODUCTS
摘要 <p>A method of converting stripped roofing material into a useful product comprising feeding roofing material removed during repair or reroofing of a building roof into a shredder introducing particles of material from said shredder together with particles of thermoplastic material and a particulate filler material into a high intensity mixer to form a batch of mater ial to be mixed, intensely mixing said batch of material to produce a heated mass of hot particles of roofing material and filler material coated with molten thermoplastic, then molding said heated mass under pressure into a desired end product. The invention also includes products produced utilizing said stripped roofing material.</p>
申请公布号 CA2224531(A1) 申请公布日期 1999.06.09
申请号 CA19972224531 申请日期 1997.12.09
申请人 ROYAL GROUP TECHNOLOGIES LIMITED 发明人 DE ZEN, VIC
分类号 B29B17/00;C08L95/00;(IPC1-7):B29B17/00;B09B3/00;E04D15/00;B29C43/02 主分类号 B29B17/00
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