| 摘要 |
UNIVERSAL PLUG A plug is suitable for use in preformed blind holes in rigid and soft material and also holes in sheetform material. The plug comprises a head portion (2) joined to a tail portion (10) by four legs (12), all having flexing points (20, 22, 24) towards their ends and in a central portion. 9The tail portion has a thread formation (16, 18) formed by a moulding process.
|
