Process and apparatus for chemically treating articles in a cont

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step

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Details

156901, 156345, B44C 122, C03C 1500, C03C 2506

Patent

active

046505423

ABSTRACT:
A method and apparatus is provided for chemically treating articles, generally in a corrosive environment by etching or the like, where a corrosive substance is applied to the articles being delivered through a substantially closed chamber. The chamber is provided with access through an openable door, and a seal is provided between the door and the wall of the chamber. The seal is flexible and is inflatable, to prevent a treatment fluid with which articles are being treated within the chamber, from being dispersed from inside the chamber to outside the chamber at the juncture of the door with the wall of the chamber in which the door is located. The seal is expanded by means of a fluid pressure, and is releasable upon desired access to the chamber.

REFERENCES:
patent: 3756898 (1973-09-01), Frantzen et al.
patent: 4011123 (1977-03-01), Buysman
patent: 4151034 (1979-04-01), Yamamoto et al.

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