发明名称
摘要 <p>Sandwich construction building materials are produced using conventional facings of plywood, fiberboard, particle board, mineral board, wood, metal, plastic, etc. on both faces of the building material, the inner core therebetween being made from natural wood veneer, made from wood fibers or wood shavings combined with synthetic resin, bamboo, etc. bent into elongate strips of angular, corrugated or undulating configuration or rolled into hollow tubes. The strips or tubes may be cut transversely into strips of rings of equal height and assembled proximately of contiguously to form an inner core layer having an openwork pattern. Openwork spaces may be filled with insulation or strengthening materials, and core elements may be coated with resins or adhesives. The resulting building products may be modular and lightweight, strong and suitable for use as plywood, flooring, walls, beams, joists, trusses and posts.</p>
申请公布号 JPH09508329(A) 申请公布日期 1997.08.26
申请号 JP19950520085 申请日期 1995.01.17
申请人 发明人
分类号 B32B3/12;E04B1/80;E04C2/36;G10K11/16;(IPC1-7):B32B3/12 主分类号 B32B3/12
代理机构 代理人
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