Method for coating plastic receptacles

A method comprising cooling a bottle within a covered cooling segment while transporting said bottle toward a coating chamber, immediately after having cooled and transported said PET bottle to said coating chamber, forming a plasma, creating an under-pressure, and coating an inner surface of said bottle with an oxide of silicon, wherein said bottle comprises polyethylene terephthalate.

An apparatus comprising a coating chamber, a cooling system, and a feed, wherein said coating chamber comprises a plasma-generating system and a first lance, wherein said first lance introduces material into said container and introduces energy into said material to cause a reaction that results in coating of an oxide of silicon on an interior wall of a bottle that is in said coating chamber, wherein said cooling system is connected to said coating chamber, and wherein said cooling system passes cooled gas through said feed.