MASKING APPARATUS FOR COATING TUBULAR INNER FACE

PROBLEM TO BE SOLVED: To prevent adhesion of a coating material to the inside of a masking apparatus at the time of coating the inner face of a tube. SOLUTION: The masking apparatus comprises a cylindrical masking member 17 to be inserted into the inside of a receiving port 2 of a tube 1, a gas disc...

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Bibliographische Detailangaben
Hauptverfasser:	KAJI SEIICHI, YURI NORIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS NOZZLES PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent adhesion of a coating material to the inside of a masking apparatus at the time of coating the inner face of a tube. SOLUTION: The masking apparatus comprises a cylindrical masking member 17 to be inserted into the inside of a receiving port 2 of a tube 1, a gas discharge route 16 communicated with the inside of the masking member 17, and a nozzle 34 for a annularly blowing air 33 to the inner circumference of an opening at the tip of the masking member 17. A nozzle 31 for blowing air to the part 14 where the cross-sectional area of the route 16 is change is installed in the gas discharge route 16.