Dryer group for curl control

Details Dryer group for curl control Dryer group for curl control

1994-02-07

1996-08-06

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34445, 34446, F26B 1102

Patent

active

055421938

ABSTRACT:
A drying apparatus is disclosed for drying a web of paper. The apparatus includes more than one top felted dryer group for drying the web. The web may be restrained against cross-machine and machine directional shrinkage during passage of the web through the plurality of dryer groups. A last dryer group is located downstream relative to the plurality of drying groups so that the web extends between the plurality of drying groups and the last dryer group. The last dryer group can be a double felted two tier dryer group. The web extends in an open draw between each dryer cylinder of the upper and lower tiers of the last dryer group, so any tendency of the web to curl is controlled during movement of the web through the last dryer group. Alternative arrangements are also described.

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