Calendar for paper and similar web material
US5988055A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Mar 13, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21G1/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Calender for a material web that includes a roll stack having at least four rolls that includes an upper and a lower roll, a frame, and bearing blocks associated with the at least four rolls. The bearing blocks are movably coupled to the frame. The calender also includes a load device coupled to at least one of upper bearing blocks associated with the upper roll and lower bearing blocks associated with the lower roll, and tensile rods extending along and positioned on opposite ends of the roll stack. The tensile rods include upper and lower ends, the upper ends being coupled to one of the upper bearing blocks and the load device, and the lower ends being coupled to one of the lower bearing blocks and the load device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.