| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a square synthetic resin bottle which has a structure related to depressurization-absorbing panels for effectively exerting a depressurization-absorbing function to exert a sufficient depressurization-absorbing function, and can be handled stably on a transfer line for the bottle, in stack storage, a vending machine, etc. <P>SOLUTION: The square synthetic resin bottle has a trunk of a square cylinder shape, and the depressurization-absorbing panels that are formed on a part of the flat wall of the trunk as a cave-in recess encircled with a step. In the horizontal center of the depressurization-absorbing panel, a projecting wall is formed vertically over the whole range of the height of the depressurization-absorbing panel, and raised from the bottom wall of the panel into a projecting shape seen in a plan cross section. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
