SEALING DEVICE OF DRIVING SECTION

Title:

SEALING DEVICE OF DRIVING SECTION

Document Type and Number:

WIPO Patent Application WO/2013/081350

Kind Code:

A1

Abstract:

Provided is a sealing device of a driving section for maintaining the airtightness of a driving section (a driving shaft) portion which passes through a sealed structure. The sealing device of a driving section includes: a structure mounting member which is mounted on a structure and through which a driving element passes therethrough; a driving element fixing member which is provided on the structure mounting member so as to be sealed while being fixed to the driving element which passes; and a rotation receiving means which is provided between the driving element fixing member and the structure mounting member so as to receive rotation in conjunction with each other. The present invention as above, especially the structure, effectively maintains the sealing of the portion through which the driving shaft of a screw feeder passes in a bin or a hopper which has the screw feeder. Meanwhile, the present invention additionally absorbs the vibration (shaking) generated at the time of operation, and maximizes the sealing effects while restraining abrasion by receiving the rotation of the driving shaft and maintaining the sealing.

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Inventors:

JEON SANG-JIN (KR)
CHO MYUNG-HO (KR)
CHOI SEUNG-HO (KR)

Application Number:

PCT/KR2012/010109

Publication Date:

June 06, 2013

Filing Date:

November 27, 2012

Export Citation:

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Assignee:

POSCO (KR)

International Classes:

C22B1/16; F27B21/08

Foreign References:

KR20010077089A	2001-08-17
JP2008240837A	2008-10-09
JPH08156888A	1996-06-18
JP2003227570A	2003-08-15
JPH08104415A	1996-04-23
KR101044346B1	2011-06-29
US5534046A	1996-07-09
US5666638A	1997-09-09

Other References: