Device for sealing a lead-through

Details Device for sealing a lead-through Device for sealing a lead-through

1993-09-09

1995-04-11

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

376316, 134166C, 134167C, 137240, G21C 13028, G21C 1920

Patent

active

054065950

ABSTRACT:
A device for closing and sealing a lead-through (1), comprising means intended to open, clean and again close the lead-through. A cone (2) with a head (21), a rod-shaped part (22) and a sealing surface (23) arranged between said head and said rod-shaped part is arranged with the head inserted into the lead-through. In the end of the cone opposite to the head, the cone is provided with means (24) for connecting the cone to a flush pipe (5) arranged in the form of an extension of the rod-shaped part of the cone. An annular flange (3) is attached to the lead-through and around said rod-shaped cone, inserted into the lead-through, to retain the head of the cone in the lead-through. A sealing surface (31), arranged on the annular flange in the form of a seat, is adapted to correspond to and make contact with the sealing surface of the cone to close and seal the lead-through.

REFERENCES:
patent: 4243484 (1981-01-01), Tsuji et al.
patent: 4534932 (1985-08-01), Yoshikawa et al.
patent: 4790976 (1988-12-01), Zahn et al.
patent: 4867941 (1989-09-01), Le Dantec

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