| 摘要 |
The vacuum packing bag comprises a tubular, flat main body and one or more embossed intermediate strip panels. The main body consists of first and second panels. Embossed intermediate strip panels are bonded at both side ends of the main body while being interposed between the first and the second panels. The one side end of each embossed intermediate strip panel is joined together with the bonded area of the first and the second panels when said each embossed intermediate strip panel is interposed between the first and second panels. The embossed intermediate strip panels may be a half of said main body or less in width.
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