Expansion deformable extrusion die blade
AssigneeMonsanto Company
InventorsJohn C. Hoagland, Peter H. Farmer, Rocco M. Carabetta, Jr.
Life of this patent
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Abstract
A flexible lip die blade is provided in which local flexing of the blade is brought about by activation of heaters located in connector members connecting the flexible lip with the body of the die blade.
Claims6
An integrally formed die blade having a body portion, a flexible lip portion and a plurality of elongated connector members each having one end rigidly connected to the body portion of the die blade and the other rigidly connected to the flexible lip and at least some of the said connector members being provided with heater elements such that activation of any such heater element produces expansion of the connector member and a resultant local deformation of the flexible die lip in the region of the expanded connector member.
Dependencies are inferred from the claim text.