| 摘要 |
Plumb with the rotating roller (3) having a horizontal axis arranged at the exit from the extrusion die (1) of the extruder head (27), the latter carries a second rotating roller (4) having a horizontal axis delimiting, together with the first, a passage for the extruded strip (2), which roller being movable from top to bottom in order to modify the thickness of the strip, complementary means being provided for simultaneously driving the rollers, irrespective of their separation. Application to solid-propellant engine (motor) linings (coverings). <IMAGE>
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