FIELD: machine building.
SUBSTANCE: cylinder part of elastic shell for pipeline sealing has an opening with coupling and branch. The coupling is stationary fixed in a wall of the said cylinder part. The branch is vertically fixed in the coupling for pumping compressed air. End 6 of the branch projects outside beyond the pipeline wall. Nut 8 is positioned on this end. Second branch 9 is screwed into nut 8.
EFFECT: raised safety of operation at installation of elastic shell into pipeline, simplified design and increased reliability of elastic shell fixation.
3 dwg
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|---|---|---|---|
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|
RU2388958C1 |
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| ELASTIC SHELL AND THE METHOD OF ITS INSTALLATION IN THE PIPELINE | 2022 |
|
RU2788788C1 |
