DEVICE FOR APPLYING COATING ON INNER SURFACE OF PIPE LINE Russian patent published in 1994 - IPC

Abstract RU 2014547 C1

FIELD: mechanical engineering. SUBSTANCE: fitted in succession in pipe line are tore-shaped piston with branch pipe movably passed through its inner hole and piston-divider. Tore-shaped piston is fixed in pipe line. Branch pipe is provided with fittings for connecting the adhesive supply system or the air supply system. EFFECT: enhanced efficiency. 2 dwg

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RU 2 014 547 C1

Authors

Pimonova L.V.

Shperber R.E.

Mazur L.M.

Dates

1994-06-15—Published

1989-08-07—Filed