| 摘要 |
<p>PURPOSE:To obtain a plastic bag for medical care with no pinhole and liq. leakage by providing a structure wherein the shoulder part is like Mt. Fuji and the bottom part is approximately a cap shape and the sealed parts of the shoulder part and the bottom part have a shape crossing the side face of a tube by a straight line and a reinforced welded part is provided on each of both side end parts of the bag of the sealed end part of the inner liq. side. CONSTITUTION:The bottom part 2 of a bag 1 is welded into a cap shape and the shoulder part 3 including a boat part has a Mt. Fuji shape and is welded while a boat 8 inserting part is left unwelded. A hole 4 for hanging the bag is provided at the center on the bottom part and a hole 5 for fixing the bag and positioning the boat is provided on the shoulder part 3. A boat 8 is inserted at the central top of the shoulder shaped like Mt. Fuji. The sealed part 6 on the shoulder being brought into contact with the inner liq. crosses the side face of the tube by a straight line and the sealed part 7 on the bottom part 2 being brought into contact with the inner liq. also crosses the tube face by a straight line. In addition, on the sealed part 7, a reinforced welded part 9 is provided on each of both end part of the bag of the end part of the seal inner liq. side.</p> |
