ROHFORMAL HEARING FOR ROLLS OF PAPER OR OTHER FLAVE MATERIAL

摘要

Paper roll core tube (62) comprises wrapped paperboard, and has two opposite end notches (72, 74) which receive respective lugs (68, 70) on an annular metal or plastic end member (66) with a chuck projection receiving notch (76) midway between its lugs. Opt. the core tube end is reinforced by an inner sleeve of non-isotropic material having notches in register with the tube end notches. Pref. rectangular lugs closely fit into rectangular notches.