| 摘要 |
<p>The machine consists of housings (2,5) for bobbins (3,6) of band material, with tracks (8,9) for movement of the bands (4,7); pairs of driven rollers (10,4) with adjustable pressure and speed, which pull each of the bands; a pair of rollers (16) with variable pressure and speed, which pulls the superimposed bands; a movable carriage (1) carrying a heater unit (22,23); an impregnating device (47) for a glazing substance, with outlets for the prod., under pressure from a feed tank; a drying tunnel (67), through which circulates a current of air, and through which the thermowelded bands run.</p> |
