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Nip Impressions´┐Ż is Paperitalo Publications' flagship publication.  Published every Thursday afternoon (US Eastern Time), Nip Impressions´┐Ż is eagerly read by pulp and paper professionals around the world.

2 Jul 5: Materials 5: Plastic Headboxes



Why not?


A plastic headbox, or at least a headbox with a significant portion of it made of plastic, would be lightweight, inexpensive and disposable.


We are not talking about some sort of FRP structure here, but a headbox whose main material of construction is a resin specifically designed for this purpose.  


Such a headbox would be able to easily be designed and constructed for laminar flow conditions, if desired, and streamlined corners and curves. 


We have been building headboxes nearly the same way for decades--weldments of plate carefully joined and polished.  It is expensive and may be unnecessary today.


Perhaps the first place to start is with a liner for an existing headbox known to have flow characteristic problems.


Such a headbox could still have a stainless steel machined slice, we are just talking about the body here.


Any thoughts? 


Any comments?  Let us know by sending an email to [email protected]
with "LGMI Frontiers" in the subject line.



LGMI Design Practices
As always, your comments will be appreciated.
Think light!


Brian Brogdon, Ph.D.
Executive Director




Jim Thompson

Send us your comments by emailing Brian Brogdon
or Jim Thompson!

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LGMI Weekly Ideas are presented for your consideration and inspiration only.  It is solely your responsibility to check for engineering correctness, applicability, standards, insurance policy and local, national or any other legal compliance required before implementing.  Neither The Light Green Machine (TM) Institute, Paperitalo Publications, Talo Analytic International, Inc., nor any individual associated with these entities accepts any responsibility for your application or compliance issues.

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