SEAL STRUCTURE OF CONTAINER AND DRAIN FILTER

Title:

SEAL STRUCTURE OF CONTAINER AND DRAIN FILTER

Document Type and Number:

WIPO Patent Application WO/2003/008290

Kind Code:

A1

Abstract:

A seal structure of a container body and cover body (3), where in the cover body (3) is fixed to the opening of the container body and the interior is closed. In the seal structure, a step part of specified depth is formed at the upper end of the container body on the inner or outer circumferential side thereof, an annular seal face forming ring (22) having a thickness equal to the depth of the step part is arranged on the upper surface of the step part along the circumferential direction of the container body, and the cover body (3) is fixed through a packing (23) placed between the cover body (3) and a seal face (20) comprising the upper end face of the container body and the upper surface of the seal face forming ring (22).

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Inventors:

OHTSUKA TAKAAKI (JP)
TANAKA JIRO (JP)
KASAHARA HIDEAKI (JP)

Application Number:

PCT/JP2001/005999

Publication Date:

January 30, 2003

Filing Date:

July 11, 2001

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)
OHTSUKA TAKAAKI (JP)
TANAKA JIRO (JP)
KASAHARA HIDEAKI (JP)

International Classes:

B65D53/02; B65D77/20; F16J15/06; (IPC1-7): B65D53/02; F01N7/00; F23L17/14

Foreign References:

JPH0620258U	1994-03-15
JPH0360250U	1991-06-13
JPH09119303A	1997-05-06
JPH0194262U	1989-06-21

Other References: