Sealed sleeve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11920707
APP PUB NO 20210372546A1
SERIAL NO

17304095

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A sealed sleeve installed at an insertion coupling portion in a state in which a first pipe and a second pipe are insertion coupled to each other in order to seal couple the first pipe having a first outer diameter and a first inner diameter and the second pipe having a second outer diameter and a second inner diameter larger than the first outer diameter includes: a pillar shaped-main body having a main body central shaft; a through-hole formed using the main body central shaft as a central shaft on the main body and having an inlet as a second pipe side opening in an installation state and an outlet as a first pipe side opening in an installation state, wherein in the through-hole, a pressing portion that applies a sealing pressure to the insertion coupling portion is formed in a portion of an inner wall, and an inner diameter of the pressing portion is smaller than the second outer diameter.

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First Claim

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Family

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Patent Owner(s)

  • HANATECH CO., LTD.; AIM TECH CO., LTD.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bae, Chang Hwan Seoul, KR 5 0
Lee, Hyo Sang Gyeonggi-do, KR 29 471

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