发明名称 APPARATUS FOR SEALING CIRCUMFERENCE OF ROTARY TABLE OF DRILLING AREA
摘要 PURPOSE: An apparatus for sealing the circumference of a rotary table at a drilling area is provided to prevent contaminants from flowing into a rotary table by completely sealing the circumference of the rotary table. CONSTITUTION: An apparatus(100) for sealing the circumference of a rotary table at a drilling area comprises a cover unit(110), a drain gutter(120), and a drain pipe(130). The cover unit is installed in the top end of a rotary table(10) and has an edge horizontally protruded. The cover part comprises a top cover(111) and an extension plate(112). The top cover is installed in the top end of the rotary table. The extension plate is installed around the top cover. The drain gutter is installed under the edge of the cover part around the rotary table. The drain pie is installed under the drain gutter to discharge oil, lubricating oil, and mud to the outside.
申请公布号 KR20120025093(A) 申请公布日期 2012.03.15
申请号 KR20100087261 申请日期 2010.09.07
申请人 DAEWOO SHIPBUILDING & MARINE ENGINEERING CO.,LTD. 发明人 LEE, KYOO SEOG;CHOI, MOON KYONG;LEE, BYEONG OK
分类号 E21B15/02;B63B35/44;E21B3/04;E21B7/12 主分类号 E21B15/02
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