Abutment joint for paper reel cores

Details Abutment joint for paper reel cores Abutment joint for paper reel cores

B - Operations, Transporting

65

H

B65H 75/18 (2006.01) B31C 99/00 (2009.01)

Patent

CA 2530897

An abutment joint for end-to-end joining of paper reel cores, the abutment joint comprising a first conical surface (4) formed on the outer surface of one core (2) and a second conical surface (3) formed on the inner surface of the other core (1), whereby said first conical surface and said second conical surface abut against each other in the joint, wherein at least one protrusion (6) is formed at least on one conical surface and at least one groove (5) is formed at least on the other conical surface to form an interlocking joint between the cores.

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