发明名称 Air impermeable parachute canopy with opening assist
摘要 This invention relates to annular canopy parachutes having a central cap canopy, in critically spaced arrangement at the central main vent, which assists in providing rapid controlled inflation and decreasing oscillation upon inflation as to allow incorporation of high drag coefficient, generally air impermeable canopy fabric.
申请公布号 US5388787(A) 申请公布日期 1995.02.14
申请号 US19930155839 申请日期 1993.11.23
申请人 IRVIN INDUSTRIES CANADA LTD. 发明人 WEBB, DAVID B.;WRIGHT, DAVID A.
分类号 B64D17/62;(IPC1-7):B64D17/02;B64D17/08;B64D17/14;B64D17/18 主分类号 B64D17/62
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