Title:
CARDBOARD TUBE
Document Type and Number:
Japanese Patent JP2015147675
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a cardboard tube that prevents production of paper powder even in repeated use of the cardboard tube and that can improve recyclability.SOLUTION: In a cardboard tube, end covering members 3 are attached to both end surfaces 6 of a cardboard tube body 2. The cardboard tube body has a thin-walled part near an end of an inner surface. The end covering member comprises a flange part 4 that has an annular shape approximately identical to that of the end surface of the cardboard tube body and that becomes gradually thicker toward an outside diameter side, and a skirt part 5 that is long and thick enough to fill a notched part formed from the thin-wall part of the cardboard tube body and that is fitted into the notched part.
Inventors:
HARUYAMA AYATAKA
HIRAKAWA KENICHI
MIYAKE TAKASHI
HIRAKAWA KENICHI
MIYAKE TAKASHI
Application Number:
JP2014023110A
Publication Date:
August 20, 2015
Filing Date:
February 10, 2014
Export Citation:
Assignee:
YAMATOGAWA SHIKO KK
International Classes:
B65H75/18; B65H75/10
Domestic Patent References:
| JPS61135859U | 1986-08-23 | |||
| JP2002274757A | 2002-09-25 | |||
| JP2008024504A | 2008-02-07 | |||
| JPH0678365U | 1994-11-04 | |||
| JPS60145160U | 1985-09-26 | |||
| JPS61135859U | 1986-08-23 | |||
| JP2002274757A | 2002-09-25 |
Attorney, Agent or Firm:
Masaya Nakatsuka
Previous Patent: DOFFING DEVICE AND YARN WINDING MACHINE INCLUDING THE SAME
Next Patent: TRANSFER DEVICE AND IMAGE FORMATION DEVICE
Next Patent: TRANSFER DEVICE AND IMAGE FORMATION DEVICE