Claims
- 1. A papermaking machine for manufacturing a creped paper web, comprising:
a breast roll; a Yankee dryer; a press roll; a first forming fabric forming an endless loop which contains the breast roll and the press roll, the first forming fabric being urged against the Yankee dryer by the press roll; a second forming fabric forming a second endless loop, the second forming fabric coming into engagement with the first forming fabric and being wrapped around a portion of the breast roll and running parallel to and engaged with the first forming fabric along an extended run after the first forming fabric and the second forming fabric leave the breast roll; a headbox positioned to inject a stream of paper forming stock between the first forming fabric and the second forming fabric as the second forming fabric comes into engagement with the first forming fabric on the breast roll; an air press comprising a pressure box positioned to engage the inside of one of the forming fabrics, and a vacuum box in spaced parallel relation to the pressure box, the vacuum box positioned to engage the inside of the other forming fabric so that the first and second forming fabrics pass between the pressure box and the vacuum box; a source of pressure connected to the pressure box; and a source of vacuum connected to the vacuum box so air flows from the pressure box through the first fabric, a paper web contained therebetween, and the second fabric.
CROSS REFERENCES TO RELATED APPLICATIONS
[0001] This application is a divisional of U.S. patent application entitled Papermaking Machine for Forming Tissue Employing an Air Press, application Ser. No. 09/324,469, is the disclosure of which is incorporated by reference herein.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09324469 |
Jun 1999 |
US |
Child |
09825088 |
Apr 2001 |
US |