High bulk tissue forming and drying apparatus

Details High bulk tissue forming and drying apparatus High bulk tissue forming and drying apparatus

1975-08-04

1977-07-19

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

34115, 34116, 34159, 162301, 162306, D21F 504, D21F 518

Patent

active

040366847

ABSTRACT:
A web pickup and drying apparatus in a papermaking machine for producing a high bulk paper tissue web while carrying the web throughout its travel from pickup off the forming wire through the drying stages on the surface of a fabric, felt or dryer roll. After pickup, the web is first subjected to a thru-air (transpiration) dryer from which it is applied to the surface of a large diameter dryer roll. There is no conventional press section to reduce bulk before the web is dry.

REFERENCES:
patent: 2537129 (1951-01-01), Goodwillie
patent: 3303576 (1967-02-01), Sisson
patent: 3560333 (1971-02-01), Douglas et al.
patent: 3694311 (1972-09-01), Skeppstedt
patent: 3812000 (1974-05-01), Salvucci, Jr.; et al.
patent: 3839143 (1974-10-01), Sackow
patent: 3874997 (1975-04-01), Kankaanpaa
patent: 3891500 (1975-06-01), Kankaanpaa

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