Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1992-11-09
1995-01-03
Dang, Thi
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156644, 156664, 156345, 134 2, 134 15, 134 34, 134 64R, 134122R, 134129, 134172, 134199, C23F 100
Patent
active
053783085
ABSTRACT:
An etching system for etching openings in a metal web including multiple etching station for etching a metal web from opposite sides with each of the etching stations including a set of first bank of oscillateable nozzles located in a first chamber in the etching station, with the first bank of oscillateable nozzles having predetermined spacings from one another, and operable for directing etchant at a first side of a metal web and a second bank of oscillateable nozzles located in a second chamber in the etching station, with the second bank of oscillateable nozzles having a predetermined spacing substantially identical to the first bank of oscillateable nozzles with the second set of oscillateable nozzles laterally offset from the first set of nozzles, so as not to spray on directly opposite regions located on the metal web with the banks of the nozzles in adjacent etching stations offset from each other with the oscillation axis of the nozzles is at an angle off normal so that etchant is sprayed in elliptical patterns on the metal web to more uniformly distribute etchant across the metal web.
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BMC Industries, Inc.
Dang Thi
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