Inventor
VIRTA RAIMO
FI19 patents
⚠️ This page may combine multiple inventors who share the name “VIRTA RAIMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VALMET PAPER MACHINERY INC
7 patentsUS4905380AMar 6, 1990
Method and apparatus in a paper machine single-wire drying group
VALMET PAPER MACHINERY INC73 citations95
US4953297ASep 4, 1990
Method of and device for pocket ventilation in the drying section of a paper machine, in particular for high-speed paper machines
VALMET PAPER MACHINERY INC31 citations89
US5720852AFeb 24, 1998
Method and device for stabilizing the running of a paper web in connection with a paper guide roll
VALMET PAPER MACHINERY INC9 citations73
US5524360AJun 11, 1996
Method and device for ventilating pocket spaces in a multi-cylinder dryer of a paper machine
VALMET PAPER MACHINERY INC10 citations73
US5152076AOct 6, 1992
Method and device in a paper machine
VALMET PAPER MACHINERY INC10 citations73
US5019213AMay 28, 1991
Method and apparatus in the drying section of a paper making machine for speeding the threading of a paper or paperboard web
VALMET PAPER MACHINERY INC15 citations71
US5509215AApr 23, 1996
Method and device for stabilization of a paper web in a group of cylinders in a drying section of a paper machine
VALMET PAPER MACHINERY INC14 citations68
METSO PAPER INC
4 patentsUS6247247B1Jun 19, 2001
Blow box for the drying section of a papermaking machine, method for sealing a pocket with a blow box in the drying section of a papermaking machine, and arrangement in a papermaking machine
METSO PAPER INC33 citations88
US6317999B1Nov 20, 2001
Sealing nozzle arranged in a blow box used in the drying section of a paper machine
METSO PAPER INC19 citations82
US6418639B1Jul 16, 2002
Method and device in the dryer section of a paper/board machine
METSO PAPER INC8 citations72
US6358366B1Mar 19, 2002
System and method for threading a moist web in a pulp dryer or the like from one section to the following section
METSO PAPER INC5 citations53
VALMET CORP
4 patentsUS5535527AJul 16, 1996
Method and arrangement in a multi-cylinder dryer of a paper machine
VALMET CORP31 citations88
US5728930AMar 17, 1998
Method and device for measuring the permeability of a drying wire to air
VALMET CORP10 citations73
US5996244ADec 7, 1999
Roll for a paper machine, in particular for a paper drying device, and dryer group for a paper machine
VALMET CORP9 citations71
US5635034AJun 3, 1997
Suction roll or cylinder and method for removing air from a suction roll or cylinder
VALMET CORP3 citations62
VALMET OY
3 patentsUS4628618ADec 16, 1986
Apparatus in a drying section of a paper machine
VALMET OY36 citations89
US4756183AJul 12, 1988
Method and apparatus for measuring air permeability of a wall-like or sheet-like element
VALMET OY15 citations71
US4892622AJan 9, 1990
Method for resisting formation of undulations in a fiber/water mixture during forming of a paper web in a paper-making machine
VALMET OY15 citations68