Switch to English Language Passer en langue française Omschakelen naar Nederlandse Taal Wechseln Sie zu deutschen Sprache Passa alla lingua italiana
Members: 70,952   Posts: 1,557,960   Online: 1023
      
Page 2 of 2 FirstFirst 12
Results 11 to 14 of 14
  1. #11
    holmburgers's Avatar
    Join Date
    Aug 2009
    Location
    Rochester NY (native KS)
    Shooter
    Multi Format
    Posts
    4,421
    Images
    2
    Honestly, I can't say if this is a practical method in this day and age, but I'm glad you guys are sharing your thoughts.

    I do wonder how "low you can go", in terms of minimum quantities of emulsion. You could use up the remainder with one of the tried and true coating methods though.

    Imagine though if you had a continuous web of film that you could run over something like this, and then afterwards you could introduce a twist into the film to bring it right side up.

  2. #12

    Join Date
    Aug 2005
    Location
    Earth
    Shooter
    Multi Format
    Posts
    1,560
    Or, you could just have the leading end go up... then back.
    Last edited by Ray Rogers; 04-19-2012 at 11:22 PM. Click to view previous post history.

  3. #13

    Join Date
    Apr 2005
    Location
    San Bernardino, CA
    Shooter
    8x10 Format
    Posts
    734
    Hello All,
    " Any suitable material", So reads the patent. I think that the success or failure of this kinde of gizzmo would depend on the surface characteristics of the roller. Having worked with coatings rolled on via multi roller machines, the interaction between the coating and the roller is crucial to how the coating is deposited on the substrate. Varrious synthetic "rubber" materials are used. I think that George probably knew, from experience, what kind of rubber worked best for the emulsions of the day, but considered that proprietary info.
    Bill

  4. #14
    kb3lms's Avatar
    Join Date
    Jun 2006
    Location
    Reading, PA USA
    Shooter
    35mm
    Posts
    708
    Images
    5
    One thing I have seen described in a few places is a counter rotating roller followed by a meyer rod to precisely control the thickness of the coating. The meyer rod is suspended over the trough so that any runoff is caught and reused.

Page 2 of 2 FirstFirst 12


 

APUG PARTNERS EQUALLY FUNDING OUR COMMUNITY:



Contact Us  |  Support Us!  |  Advertise  |  Site Terms  |  Archive  —   Search  |  Mobile Device Access  |  RSS  |  Facebook  |  Linkedin