| 摘要 |
<p>PURPOSE:To reduce the peeling strength in breaking a seal, by a method wherein when the opening part of container with flange is sealed with a cover with tab, a seal bar being put on said flange, having a protruding seal part on its part and provided with a notch part on the inner peripheral surface of said protruding seal part, is used. CONSTITUTION:When the opening part of a container main body 16 having a flange 18 is sealed with the cover 17 having a tab 19, the part formed by being protruded with the protruding seal part 14 of a seal bar 12 is sealed by being put upon the position of the tab 19 of the cover 17, by using the seal bar 12 composed of the ring seal part 13 extruded in a ring having a width narrower than the width of flange 18 formed on the upper end edge of container main body 16 and of the extruding seal part 14 formed extrudingly to the radial exterion direction in a body with said seal part 13 on a part of said seal part 13. Thus, the container having sufficient adhesion strength and capable of drastically reducing the peeling strength in breaking the seal can be obtained.</p> |
