Intreprinderea De Prelucrare Mase Plastice "Moldoplast",Ro
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Priority to RO124708ApriorityCriticalpatent/RO96447B1/en
Publication of RO96447A2publicationCriticalpatent/RO96447A2/en
Publication of RO96447B1publicationCriticalpatent/RO96447B1/en
The fabricator comprises a continuous heater made as five linked sections. This gives radial extrusion of thick-wall pipes and cooling, via an extrusion head with a flange and a teflon ring. The visco-elastic material is drawn by injection of air, and retains shape memory.
RO124708A1986-09-051986-09-05Process and device for making thermocontractable polyvinyl chloride tubes
RO96447B1
(en)
Producing a hollow body of oriented plastic material - using legs material, achieving desired stability with reduced costs, by mechanical reshaping at all stages