Apparatus for coating bottles with resin

Apparatus for coating bottles with resin comprising an endless conveyer chain provided to pass through a resin spraying zone, a series of spaced apart bottle holders provided on said conveyer chain, resin spraying guns provided in said zone, and cover plates provided in said zone to shield the mouth portion and bottom of the bottle, each bottle holder comprising a housing provided on the conveyer chain, a tube extending in the perpendicular direction to the moving direction of the conveyer chain and rotatably supported in said housing, said tube having a diameter permitted to be inserted into the bottle, a shaft slidably provided in said tube, inner holding means comprising a link mechanism provided on one end of said tube and shaft, said link mechanism being adapted to be opened by sliding of the shaft to be engaged with the inner wall of the bottle and to be closed to permit the insertion thereof into the bottle, mouth gripping means provided on said tube, means for rotating said tube during the movement of the conveyer chain, means for sliding said shaft for opening and closing said inner holding means, and means for actuating said mouth gripping means.