Method and apparatus for making plastic containers having decrea

Coating apparatus – With vacuum or fluid pressure chamber – With means to apply electrical and/or radiant energy to work...

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Details

118623, 118624, 118627, 118640, 118720, 118721, 118723, 427 38, 427 40, 427 47, C23C 1400, C23C 1600, B05B 502, B05D 314

Patent

active

046676201

ABSTRACT:
Apparatus for producing open ended plastic containers having decreased gas permeability that includes a vacuum chamber and a pump for regulating the pressure therein, an ionization source mounted in the chamber proximate the container's open end and a container holder located in the chamber. The container holder has a hole aligned with the open end and may include a shield that encompasses the exterior of the container and may include a magnet setting up a magnetic field on the exterior of the shield. In the method, a container is placed on the container holder in the chamber with the open end and hole aligned and with the shield and magnet located as described above. The coating material is vaporized and ionized so that the ionized material is deposited on the interior wall of the container.

REFERENCES:
patent: 4401054 (1983-08-01), Matsuo et al.
patent: 4478874 (1984-10-01), Hahn
patent: 4481229 (1984-11-01), Suzuki et al.
patent: 4487162 (1984-12-01), Cann
patent: 4522844 (1985-06-01), Khanna et al.

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