| 摘要 |
The present invention relates to a manufacturing method of a pottery having a double wall structure which excludes steps of a bag on gas inlet and outlet holes in the space between inner and outer container parts to improve productivity, provides a lighter double wall container by making inner and outer walls with thin films, control the width of materials to be inserted between the inner and outer containers to easily control the separation distance in a space portion, forms a smoother outer appearance since there are no gas inlet and outlet holes on the outer surface of the outer container part, molds the outer container part first when a pottery is molded, attach a paper or plastic sheet to the inner part of the outer container part, and integrates the inner container part on the attached paper or plastic sheet. |
