Title:
COUPLING/UNCOUPLING METHOD, PLASTIC COUPLER AND ENVELOP, BAG AND BINDER
Document Type and Number:
WIPO Patent Application WO/2004/112527
Kind Code:
A1
Abstract:
A plastic coupler comprising a first segment (10A) where a protrusion (12) having a locking hook part at the forward end is formed on the surface of a first base part (11) with an identical cross-sectional shape in the direction of arrow B, and a second segment (10B) where a recess (16) engaging with the protrusion (12) while clamping the hook part from the outside is formed on the surface of a second base part (15) with an identical cross-sectional shape in the direction of arrow B. The protrusion (12) and the recess (16) are fitted each other when they are pressed in the direction of arrows A and A’ from the back face of the first and second base parts (11, 15) but they are not uncoupled in the reverse direction. The protrusion (12) and the recess (16) are uncoupled only by sliding them in the direction of arrows B and B’ integrally with the first and second base parts (11, 15).
Inventors:
ISHIZAKI AKIRA (JP)
ISHIZAKI SHINGO (JP)
ISHIZAKI SHINGO (JP)
Application Number:
PCT/JP2003/008013
Publication Date:
December 29, 2004
Filing Date:
June 24, 2003
Export Citation:
Assignee:
ISHIZAKI SHIZAI KK (JP)
ISHIZAKI AKIRA (JP)
ISHIZAKI SHINGO (JP)
ISHIZAKI AKIRA (JP)
ISHIZAKI SHINGO (JP)
International Classes:
A44B18/00; A44B19/16; B65D33/25; A45C13/10; (IPC1-7): A44B18/00
Foreign References:
| JPS2910679Y1 | ||||
| JPS56137612U | 1981-10-19 | |||
| JPH09168410A | 1997-06-30 |
Attorney, Agent or Firm:
Morishita, Takekazu (Minamihommachi 4-Chome Chuo-K, Osaka-Shi Osaka, JP)
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