Polybutene threaded tubular connector - having inner sealing thread, tubular part having cap nut with inner thread

摘要

Threaded elastic tubular connector of polybutene is as in DT P 2240548.7. An inner sealing thread is formed in the material, and an inner thread of the same pitch is formed in hard material to receive longitudinal forces. The plastics tubular part has a hard, e.g. metal, cap nut with an inner thread, enclosing the tubular part externally at least in the sealing thread region and rigidly connected to it.