Application material extruding container and forming method of application material extruding container

An application material extruding container comprising:

• a female thread member and a movable body provided within the container;
• and
• an engagement portion constituted by a female thread provided on an inner peripheral surface of said female thread member and a male thread provided on an outer peripheral surface of said movable body;
• the engagement portion being actuated on the basis of a relative rotation between a container front portion and a container rear portion, whereby said movable body moves forward and an application material within the container appears from an opening at a leading end of the container,
• wherein said female thread member includes an outer tube, an inner tube arranged in an inner side of the outer tube so as to be approximately coaxial with the outer tube, and a coupling portion for integrally connecting said outer tube and said inner tube,
• wherein an annular space portion is open at a side opposite from said coupling portion in the axial direction between said outer tube and said inner tube, and
• wherein said inner tube is provided on an inner peripheral surface with said female thread extending in the axial direction, and is provided with slits-extending in the axial direction and being communicated with said annular space portion.