Vacuum mold and device for drilling extraction holes therein
AssigneesShenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
InventorsJIANG YU, JIAN-BIN DENG, YI ZHAO, BO LIU, SHAO-HUI ZHANG, QING-MING YUAN
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Abstract
A vacuum mold includes a mold body with a molding surface. The mold body defines a plurality of extraction holes. Each extraction hole includes a first hole portion, a second hole portion, and a connecting portion connecting the first hole portion and second hole portion. The first hole portion is adjacent to the molding surface, and a diameter of the first hole portion is smaller than a diameter of the second hole portion.
Claims12
A vacuum mold, comprising a mold body having a molding surface, the mold body defining a plurality of extraction holes, each extraction hole comprising a first hole portion adjacent to the molding surface, a second hole portion, and a connecting portion connecting the first hole portion and the second hole portion, a diameter of the first hole portion is smaller than a diameter of the second hole portion.
A drilling device for drilling extraction holes in a vacuum mold, the device comprising:
- a pinhead comprising a rod portion and a head portion;
- a connecting portion;
- and
- a main body, wherein a first end of the rod portion is connected to the connecting portion and a second end of the rod portion is connected to the head portion, and a diameter of the rod portion of the pinhead is smaller than a diameter of the main body.
Dependencies are inferred from the claim text.