Blocked hole treatment apparatus and method

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United States of America Patent

PATENT NO 9993833
SERIAL NO

15073189

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Abstract

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A blocked hole treatment apparatus and method are provided. The blocked hole treatment apparatus includes: a dredge element, a support element and a driving element, the dredge element is arranged on the support element, and the driving element is configured to drive the dredge element to rotate around the support element such that one end of the dredge element is inserted into a vent hole (the blocked hole) of the crucible.

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Patent Owner(s)

  • BOE TECHNOLOGY GROUP CO. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zhang, Xindi Beijing, CN 20 28

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