Method and appliance for covering cut edge of length of cardboard involve supply, storage, guide rollers, heater, folding appliance, and press

摘要

A supply pair (2) of rollers continuously conveys the length of (1) cardboard. A storage roller (10) places a covering strip (8) for a sealing strip. (5,6). A guide roller (13) supplies the strip with a flat side (12) against the cut edge (7) at a joining point, (11) A heater (15) warms the cardboard and strip to sealing temperature. The strip is folded around the cut edge by a folding appliance(14). A press (17) presses the folded strip onto the surfaces of the cardboard length.