| 摘要 |
An apparatus is disclosed for reshaping a butt joint formed by a pair of adjacent butt edges of mounted wallboards. The apparatus has tapering means, which includes a body with a pair of beveled surfaces for contacting and simultaneously tapering the adjacent butt edges. The apparatus also has aligning means, which includes a ridge for aligning the tapering means with the butt joint. In one embodiment, the apparatus includes a handle and the tapering means is a rotatable wheel attached to one end of the handle and having the ridge and beveled surfaces on its circumferential edge. In another embodiment, the tapering means is a semicircular disk that is fixedly attached to one end of the handle and has an outer curved portion with the ridge and beveled surfaces thereon. |
