METHOD FOR SIMULTANEOUSLY APPLYING A PLURALITY OF COATED LAYERS BY FORMING A STABLE MULTILAYER FREE-FALLING VERTICAL CURTAIN

• US 3,508,947 A
• Filed: 06/03/1968
• Issued: 04/28/1970
• Est. Priority Date: 06/03/1968
• Status: Expired due to Term

• Current Assignee: Donald J. Hughes
• Original Assignee: Donald J. Hughes
• Inventors: Hughes, Donald J.
• Application Number:
  US04/733,971
• Time in Patent Office: 694 Days
• US Class Current: 430/538
• CPC Class Codes: B05C 5/005 Curtain coaters B05C5/008 takes precedence
• CPC Class Codes: B05C 5/008 Slide-hopper curtain coaters
• CPC Class Codes: B05C 9/06 for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
• CPC Class Codes: G03C 1/74 Applying photosensitive compositions to the base; Drying processes therefor G03C1/496 takes precedence
• CPC Class Codes: G03C 2001/7433 Curtain coating
• CPC Class Codes: G03C 2001/7462 Flowing conditions in slots prior to coating
• CPC Class Codes: G03C 2001/7466 Geometry and shape of application devices
• CPC Class Codes: G03C 2001/747 Lateral edge guiding means for curtain coating
• CPC Class Codes: G03C 2001/7477 Lip detail or shape in hopper or extrusion head
• CPC Class Codes: G03C 2001/7481 Coating simultaneously multiple layers
• CPC Class Codes: G03C 2001/7492 Slide hopper for head or curtain coating
• CPC Class Codes: Y10S 118/04 Curtain coater
• CPC Class Codes: Y10S 430/136 Coating process making radiation sensitive element

Claims