Restrained paper dryer

  • US 5,588,223 A
  • Filed: 06/14/1994
  • Issued: 12/31/1996
  • Est. Priority Date: 06/14/1994
  • Status: Expired due to Fees
First Claim
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1. An improved method of drying a moving paper web in an elongated drying apparatus comprising the steps of:

  • a) holding the web in a restrained position on an open weave fabric by means of air suction from 3 to 12 inches H2 O imposed progressively along the length of the drying apparatus from underneath the web and sufficient to prevent shrinkage of the web; and

    b) applying a drying medium to said web in the form of high temperature, high velocity air or superheated steam, whereby shrinkage of said web is substantially inhibited, ring crush strength is increased and fibre requirements are reduced.

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