Airtight adapter and a replacement method therefor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6296256
SERIAL NO

09247512

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Abstract

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An airtight adapter to be mounted to an airtight unit requiring airtightness, e.g. a glove box, with which it is possible to easily replace a part of the airtight adapter while maintaining airtightness. The adapter has an outer-cylinder adapter body, an internal adapter body inserted into and fitted in the outer-cylinder adapter body and at least two annular sealing members positioned between the internal adapter body and the outer-cylinder adapter body. By determining a length of the outer-cylinder adapter body and positions of the sealing members, the internal adapter body can be easily, airtightly replaced by bringing a spare internal adapter body into contact with the already-fitted internal adapter body at the outside of the airtight unit; pushing and inserting the spare internal adapter body into the cylinder of the outer-cylinder adapter body while moving the already-fitted internal adapter body toward the inside of the airtight unit; securing the spare internal adapter body at a predetermined position in the cylinder of the outer-cylinder adapter body.

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Patent Owner(s)

Patent OwnerAddress
JAPAN NUCLEAR CYCLE DEVELOPMENT INSTITUTENAKA-GUN IBARAKI-KEN

International Classification(s)

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  • 1999 Application Filing Year
  • F16L Class
  • 850 Applications Filed
  • 392 Patents Issued To-Date
  • 46.12 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199920002001200220032004200520062007200820092010201120120255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endo, Kazunobu Utsunomiya, JP 1 0
Kato, Yoshiyuki Naka-gun, JP 117 1632
Kurita, Tsutomu Hitachinaka, JP 11 163
Toriya, Tomoaki Yotsukaido, JP 8 60

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  • F16L Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges102771244822167531301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8091 - 100100 +020406080100120140160180200220240260280300

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