Patent ID: 9393731
Filing Date: 2016-07-19
CPC Classification: B29C

Claim Text:
1. A blow mold unit comprising: a blow mold including first and second blow cavity split molds to be clamped by bringing parting surfaces thereof into contact with each other, and a plurality of raised bottom molds that define a plurality of raised bottom shapes for a plurality of cavities defined by the first and second blow cavity split molds; first and second pressure receiving plates that receive mold clamping pressure by bringing parting surfaces thereof into contact with each other; a first fixing plate to which the first blow cavity split mold and the first pressure receiving plate are fixed; a second fixing plate to which the second blow cavity split mold and the second pressure receiving plate are fixed; a third fixing plate interposed between the first and second fixing plates and to which the plurality of raised bottom molds are fixed at a first surface thereof; at least one shaft portion extending vertically from a second surface of the third fixing plate opposed to the first surface; an elevation guide block fixed to one of the first and second fixing plates and elevation guiding the shaft portion; and at least two elevated members extending vertically from the second surface of the third fixing plate without penetrating through the elevation guide block.