초록 ▼

A bag formed of a sheet material adapted to be filled with contents and opened at the top for taking out the contents. The bag has fused joints along the lateral edges thereof. A plastically deformable wire-like member is attached inside the fused joints over a length from the output opening side po

A bag formed of a sheet material adapted to be filled with contents and opened at the top for taking out the contents. The bag has fused joints along the lateral edges thereof. A plastically deformable wire-like member is attached inside the fused joints over a length from the output opening side portion to the body portion.

대표청구항 ▼

The invention claimed is: 1. A method of producing a bag, comprising:forming a bag of sheet material;forming a tubular holder in an inner side of a lateral edge of the bag to hold a plastically deformable vertical wire-like member; andinserting the vertical wire-like member into the tubular holder;h

The invention claimed is: 1. A method of producing a bag, comprising:forming a bag of sheet material;forming a tubular holder in an inner side of a lateral edge of the bag to hold a plastically deformable vertical wire-like member; andinserting the vertical wire-like member into the tubular holder;heat sealing the tubular holder to form a fused joint such that said vertical wire-like member is disposed along the lateral edge inside said tubular holder,wherein the tubular holder is positioned at a top end, at a bottom end, and on at least one side of the vertical wire-like member so as to leave a space from the tubular holder.