Title:
紙綴具
Document Type and Number:
Japanese Patent JP6969055
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a paper-made binding tool capable of preventing a binding tool from being easily damaged by external force in a state where it is attached to a desk calendar or the like.SOLUTION: There is provided a paper-made binding tool comprising a base unit in an elongated plate shape, and plural pairs of semi-ring units projecting to each other in a reverse direction from the base unit. The paper-made binding tool has a plurality of ring units in a longitudinal direction, the ring units being formed in a closed state with tips of the plural pairs of semi-ring units engaged with each other, and contains a paper material of 51% or more. The semi-ring unit has a ring engaging unit in which the tips of the semi-ring units that make a pair can be engaged with each other, the ring engaging unit has a claw unit on the tip side thereof, and a claw receiving unit on the proximal end side of the claw unit in which the claw unit can be arranged in a state where the semi-ring units are closed, and the side of the claw receiving unit on the claw-unit side has an inclined plane which can abut on each other in a closed state and is inclined in a direction away from the claw unit toward one end to the other end.SELECTED DRAWING: Figure 1
Inventors:
Kani Toshitake
Yamauchi Shodo
Yamauchi Shodo
Application Number:
JP2017045449A
Publication Date:
November 24, 2021
Filing Date:
March 09, 2017
Export Citation:
Assignee:
Trust Co., Ltd.
International Classes:
B42F13/22; B42D5/04
Domestic Patent References:
| JP2011224869A | ||||
| JP2000289376A | ||||
| JP3206399U | ||||
| JP60127972U | ||||
| JP3075200U | ||||
| JP2009214449A | ||||
| JP2000052339A | ||||
| JP2002052563A | ||||
| JP2002105213A |
Foreign References:
| US5333962 |
Attorney, Agent or Firm:
Hiroshi Okawa