To obtains a form of a packaging bag that easily accommodates even a large flat product, and to quickly perform operation for changing the packaging bag into the form.
The packaging bag of a handle structure is constituted so that axial both sides of a tubular film are folded inside to form gussets 12 and 12, also both ends are cut and fused, one of the ends is cut into a recess so as to include the valley portions 12a of the gussets, thereby forming looped handles 13 and 13 on right and left sides with an opening 14 between them. In this packaging bag, separating blocks 15 and 15 with suspension holes 19 into which suspending rods 18 are inserted for suspending the bag is easily separably formed in the middle of the open edges 14a and 14a of the opening 14. Tearing lines 20 of predetermined lengths are vertically formed from positions of the corresponding blocks.
| JPS55131951U | 1980-09-18 | |||
| JPS6132038U | 1986-02-26 | |||
| JPS57123750U | 1982-08-02 | |||
| JP2006312486A | 2006-11-16 | |||
| JPS61134941U | 1986-08-22 |
Hiroyuki Nagai
Junpei Okada
Hirohito Katsunuma