| 摘要 |
<p>PURPOSE:To prolong the life of a sack by furnishing a tag in an arbitrary position on the exterior wall of the sack, and by fixing the tag to the inner wall of a hollow rigid vessel. CONSTITUTION:A tag 21 is provided in a certain position on the exterior wall of a sack 6 and fixed to the inner wall of a hollow rigid vessel 5. This can restrict any irregular motion of the sack 6 likely to occur when the sack undergoes expansive containing to cause elimination of possible folding or local elongation because of abnormal motion of any part of the sack 6, to ensure that the sack 6 has a longer life.</p> |
