| 摘要 |
A T-post fence extender is formed from a cylindrical tube by swedging both end portions of the tube while leaving the central portion as a cylinder. In an alternative the tube is swedged throughout its length. Each swedged portion has a cross-section similar to that of a studded T-post and is sized to fit closely over the end of the T-post. Once in place, the extender may be welded to the T-post, the marginal end portions of the extender may be struck so as to be formed against the T-post between adjacent studs or a slot may be cut out to define a finger which may be deformed inwardly to seat between adjacent studs. The extender may be used either to raise the height of an existing fence or to erect a high fence from the beginning.
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