The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2001
Filed:
Dec. 17, 1998
Franz Kayser, Gerdern, DE;
Voith Sulzer Papiertechnik Patent GmbH, Heidenheim, DE;
Abstract
Calender and process for operating the calender, calender roll and process for forming the calender roll, and a coating for the calender roll. The calender includes at least one calender roll body, and an elastic coating coupled to the at least one calender roll body. The elastic coating includes a colorant to change a color of the elastic coating depending upon a temperature of the elastic coating. The calender roll includes an elastic coating with a colorant, and the elastic coating is adapted to change color depending upon a temperature of the elastic coating. The process for forming the calender roll includes forming an elastic coating that includes a colorant, whereby the elastic coating changes color depending upon a temperature of the elastic coating, and applying the elastic coating to a calender roll body. The process for operating the calender includes guiding a web through the calender, pressing the web between the at least one calender roll and a counter calender roll, monitoring a color of the elastic coating, and adjusting a load for pressing the web in accordance with changes in the color of the elastic coating. The coating includes an elastic material and a colorant adapted to change a color of the elastic material in accordance with a temperature of the elastic material.