Title:
RING NOTEBOOK, MANUFACTURING METHOD OF RING NOTEBOOK
Document Type and Number:
Japanese Patent JP2015174413
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a ring notebook capable of forming preferable closed annular rings with a simple method, and a preferable manufacturing method of the ring notebook.SOLUTION: In a ring notebook, a plurality of sheets having binding holes are bound by a synthetic resin ring 4. The ring comprises: a plurality of ring bodies 5 inserted to the binding holes respectively; and a base 6 which connects base ends of the ring bodies to each other and keeps each ring body in a closed ring shape while holding the tip side of each ring body. The ring body comprises an annular part 51 for binding the sheets and a tip connection part 52 adhered to the base. A positioning projection 58 is provided in either one of the tip connection part and the base, and a positioning recess 63 for positioning the tip connection part of the ring body and the base by engaging with the positioning projection when adhered to the other is provided.
Inventors:
MIYANISHI JUNKO
Application Number:
JP2014054277A
Publication Date:
October 05, 2015
Filing Date:
March 18, 2014
Export Citation:
Assignee:
KOKUYO S & T CO LTD
International Classes:
B42D15/00; B42B5/08
Domestic Patent References:
| JP5374721B2 | 2013-12-25 | |||
| JPS5377356U | 1978-06-28 | |||
| JP2009532241A | 2009-09-10 | |||
| JPS5117817A | 1976-02-13 | |||
| JP2000356954A | 2000-12-26 | |||
| JP2006001065A | 2006-01-05 | |||
| JP2001315481A | 2001-11-13 |
Attorney, Agent or Firm:
Kazuhiro Akazawa