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:
Aug. 15, 1989
Filed:
Feb. 29, 1988
Other;
Abstract
Air guide box 20 for a paper machine where the paper web 16 to be dried runs together with the backing belt 18 across drying cylinders 10 through 14. The air guide box 20 extends from a point A where the backing belt 18 departs from a cylinder 10, 12 toward a point Z where the backing belt runs on the following cylinder 11, 13. A diverging gap 23 remains between the air guide box 20 and the backing belt 18. The air guide box 20 has in the area of the departure point A a mechanical air boundary layer stripper 25. Facing toward the backing belt 18 and diverging in its running direction from the contact screen, the wall 21 of the air guide box 20 is shaped in accordance with the operationally occurring curved trajectory of the contact screen 18, is composed, preferably in polygon fashion, from flat wall elements 21.1, 21.2 and 21.3.