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Application filed by Науково-Виробниче Об'Єднання "Еластик", Научно-производственное объединение "Эластик"filedCriticalНауково-Виробниче Об'Єднання "Еластик"
Priority to UA4631883ApriorityCriticalpatent/UA16539A1/en
Publication of UA16539A1publicationCriticalpatent/UA16539A1/en
The invention relates to processing polymeric materials. A die mold contains two half molds, on the parting plane of which concentrically with a forming cavity a groove and a protrusion with U-shaped cross section are made that interact with each other by side walls.