The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2024
Filed:
May. 28, 2021
Applicant:
SK Siltron Co., Ltd., Gumi-si, KR;
Inventors:
Assignee:
SK SILTRON CO., LTD., Gumi-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/02 (2006.01); B65D 88/26 (2006.01); C30B 29/06 (2006.01);
U.S. Cl.
CPC ...
C30B 15/02 (2013.01); B65D 88/26 (2013.01); C30B 29/06 (2013.01);
Abstract
A raw material feed hopper according to the present embodiment may include a hollow tube having a raw material accommodating space formed therein, a supporter supporting the hollow tube, a cone accommodated in the raw material accommodating space so as to be able to lift up and down, a rod connected to the cone, a connector connected to an upper portion of the rod, a lifting rod connected to the connector, and an elevator installed on the supporter for lifting up and down the lifting rod.