| 摘要 |
The invention concerns a cutting tool (1) for producing serrations in a thickness of polystyrene (18) or the like of a material (18) with laminated structure (20, 22) of the gypsum plaster board type, and comprises a blade body (2) associated with gripping means (6). The invention is characterised in that said blade body (2) comprises a cutting edge (2b) which depends on a first end (4a) of the tool (1) and which faces substantially towards the second end (4b), whereat is located the gripping means (6). Preferably, the blade body (2) has a second cutting edge (2c) adjacent to the first cutting edge (2b) and designed to ensure the cut on the deepest part of the serration. |
