Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – For liquid etchant
Reexamination Certificate
2008-05-12
2011-11-22
Alejandro, Luz L. (Department: 1716)
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
For liquid etchant
C118S718000, C118S7230IR, C118S7230AN, C156S345480
Reexamination Certificate
active
08062470
ABSTRACT:
A method and an apparatus are proposed for simultaneously coating the inner walls of a plurality of hollow containers, such as bottles, with fluid-impermeable barrier layers applied by a PECVD method with the use of transversal antennas capable of creating plasma having density increased in the vicinity of the inner walls of the containers. The barrier-layer application period is divided into a coating period and a noncoating cooling period, with RF energy constantly maintained under working conditions with shunting thereof from the coating station to the dummy loads during noncoating periods used for cooling the plastic containers. The apparatus comprises a vacuum chamber with a conveyor that transports the containers in a preoriented state for interaction with a plurality of aligning elements that can be inserted into the container openings for subsequent fixation at equal distances in positions aligned with the antennas that can be inserted into the containers for generation of the coating-applying plasma.
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Glukhoy Yuri
Kerzhner Tatiana
Ryaboy Anna
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