Assembly type core mould for prodn. of composite hollow prods.

摘要

An assembly type core mould for production of composite hollow products, which comprises a spindle pipe and ring sleeves housed on two ends of the spindle pipe in which the inside diameter of the ring sleeve is larger than the outside diameter of the end of the spindle pipe where the ring sleeve is housed on so that the ring sleeve will detach from the spindle pipe under application of foreign force.