| 摘要 |
PCT No. PCT/EP90/00854 Sec. 371 Date Apr. 3, 1991 Sec. 102(e) Date Apr. 3, 1991 PCT Filed May 28, 1990 PCT Pub. No. WO90/15206 PCT Pub. Date Dec. 13, 1990.A fastening assembly for securing insulating sheetings or boards to a solid base has a tubular extension secured to a large surface washer at the top end thereof, a nut securely held against rotation in the interior of the tubular extension and an elongated fastener inserted at its top end in to the tubular extension and locked by the nut and which is engaged at its lower end which has a bulge, in the solid base.
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