Title:
PAPER TUBE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP3535446
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent the end part from being damaged by interlayer peeling due to the fabrication of a gripping groove and the like.
SOLUTION: This paper tube 16 is used for winding a wrapper such as synthetic fiber yarn, carbon fiber or film around the tube 16 and is constituted of a plurality of pieces of base paper and an adhesive. In addition, the base paper 4 constituting the lower layer of a surfacing paper 13 of the paper tube 16 has a plurality of through holes 7 and/or non-through holes formed per unit area.
Inventors:
Tanaka, Norio
Application Number:
JP2000100804A
Publication Date:
June 07, 2004
Filing Date:
April 03, 2000
Export Citation:
Assignee:
TANAKA SHIKAN KK
International Classes:
B31C3/00; B65H75/10; (IPC1-7): B31C3/00; B65H75/10
Attorney, Agent or Firm:
岩永 方之
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