Hollow turbine blade tip closure

摘要: An arrangement for closing selective areas of the tip portion a hollow turbine blade having internal serpentine coolant passages is provided by radially extended wall portions at along least two sides outer ends each adjacent to be closed tip, retaining grooves in facing surfaces portions, cover means overlie selected and have opposite lateral edges received grooves, bond secure portions. The plate preferably takes form or more separable plates which can independently inserted into from an area on does not walls with therein.