| 摘要 |
PCT No. PCT/NL87/00005 Sec. 371 Date Aug. 31, 1988 Sec. 102(e) Date Aug. 31, 1988 PCT Filed Feb. 23, 1987 PCT Pub. No. WO87/05251 PCT Pub. Date Sep. 11, 1987.A plug of deformable material such as wood or plastic, for tightly sealing a cylindrical recess provided in wood, in which recess a crushable ampule with a wood attack combating agent can be accommodated, said ampule being attachable in a cavity of said plug by means of spring lugs, said plug being provided with a conical drive-in surface, and at least one deformable sealing clamping means being provided on said plug; the plug, at the end facing away from the drive-in end, containing a separate clamping sealing means for engaging the inner circumference of the recess, the outer radial dimensions of the sealing means and of the plug being such that complete sealing is acquired and maintained without damaging the wood after the plug has been driven into the recess, even in the event of high pressure build up in said recess. |
