SCHUTZKAPPE FUER MIT GEWINDE VERSEHENE ROHRENDEN ODER ROHRMUFFEN SOWIE VERFAHREN ZUR HERSTELLUNG EINER SOLCHEN SCHUTZKAPPE.

摘要

Plastics protective cap for screwed pipe ends incorporates a reinforcing layer and a screwthread complementary to that in the pipe. It is formed by a profiled strip of plastic wound in an overlapping spiral, while the reinforcing layer consists of alternate layers of profiled plastic and fibrous mat, tissue or chips.