发明名称 TUBULAR CORE ASSEMBLIES FOR ROLLS OF PAPER OR OTHER SHEET MATERIAL
摘要 A tubular core assembly for a roll of paper or other sheet material has a hollow cylindrical core member of metal or plastic material, the core member having at least one lug projecting radially inwardly from an inner surface thereof adjacent to each end of the core member. Each lug is longitudinally spaced from the respectiv e adjacent end of the core member, and an annular plastic end member is locate d within each opposite end portion of the core member and is a friction fit therein. Each end member has a notch at its longitudinally inner end receiving the lug adjacen t to the respective end of the core member to facilitate transmission of torque and axial chuck pressure from the end members to the core member.
申请公布号 CA2467393(A1) 申请公布日期 2004.11.29
申请号 CA20042467393 申请日期 2004.05.17
申请人 KEWIN, DANIEL D. 发明人 KEWIN, DANIEL D.
分类号 B65H75/08;B65H75/18;B65H75/30;(IPC1-7):B65H75/30 主分类号 B65H75/08
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