| 摘要 |
A vacuum bag includes a tubular, flat main body and one or more embossed interposition sheets. The main body has upper and lower portions. The embossed interposition sheets are bonded at both side ends of the main body while being interposed between the upper and lower portions. The one side end of each embossed interposition sheet is bonded region of the upper and lower portions when each embossed interposition sheet is interposed between the upper and lower portions. The embossed interposition sheet may be approximately half or less of the width of the main body. |
