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Apparatus for finishing a continuous sheet of paper

  • US 5,400,707 A
  • Filed: 04/01/1994
  • Issued: 03/28/1995
  • Est. Priority Date: 10/09/1992
  • Status: Expired due to Term
First Claim
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1. A hot soft nip calendar apparatus comprising:

  • a plurality of substantially parallel belt carrier rolls;

    a continuous belt surrounding said belt carrier rolls, said belt having an inner surface facing said belt carrier rolls and an outer finishing surface facing away from said belt carrier rolls;

    said continuous belt comprising a substrate including the inner surface formed from a woven flexible synthetic material and the outer finishing surface formed from a smooth soft material capable of withstanding temperatures of at least about 400°

    F.;

    a calender roll parallel to said belt carrier rolls disposed substantially adjacent said outer finishing surface of the belt and in proximity to at least one said belt carrier roll, such that a calender nip is defined intermediate the calender roll and the belt for receiving a web of material there between; and

    a means for heating said calender roll to achieve a temperature of at least about 400°

    F. in said nip.

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