Presses – Concurrent pressing and conveying – Endless conveyer type
Patent
1990-11-27
1992-07-21
Hornsby, Harvey C.
Presses
Concurrent pressing and conveying
Endless conveyer type
100162B, 100163R, 100166, 100173, D21G 100, B30B 304
Patent
active
051313243
ABSTRACT:
An on-machine calender device intended to be on-line connected to a paper machine. The calender comprises a number of subsequent calendering nips, through which the web (W) to be calendered can be passed. The nips are formed between a soft calender roll and a hard calender roll or between two soft calender rolls. The calender is composed of one or several, for example two, subsequent calender modules (M.sub.1, M.sub.2). The modules comprise one counter-roll (10, 20) and at least two soft calendering rolls (11, 12, 13; 21, 22, 23), which are placed at both sides of the counter-roll (10, 20) in the direction of running of the web (W). The calender rolls (10, 11, 12, 13;20, 21, 22, 23) are dispaceable in relation to each other so that the threading of the web (W) can be carried out as a straight run, for which purpose an open passage is opened through the calender.
REFERENCES:
patent: 3194151 (1965-07-01), Nelson
patent: 3254593 (1966-06-01), Beachler
patent: 4194446 (1980-03-01), Palovaara
patent: 4211165 (1980-07-01), Schill
patent: 4332191 (1982-06-01), Kankaanpaa
patent: 4375188 (1983-03-01), Leiviska 100162 R
Lassila Ari
Sipi Kari
Gerrity Stephen F.
Hornsby Harvey C.
Valmet Paper Machinery Inc.
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