| 摘要 |
The present invention relates to a process and an apparatus for cutting a continuous rubber-covered belt in a process for building tyres for vehicle wheels. The apparatus comprises a cutting group (29) in turn comprising: a knife (30) formed by a first half-part (46) and a second half-part (50) and movable along a cutting direction (T) that is tilted with respect to a supply direction (F) of a rubber-covered belt (15) placed beneath the knife (30). The process comprises -lifting a lifting element (25) placed below the continuos rubber- covered belt (15) and at the cutting zone, until a portion of rubber- covered belt (15) is lifted and -lowering the single first-half part (46) of the knife (30), making it slide with respect to the second half-part (46). |
