Presses – With additional treatment of material – Cutting – breaking – piercing – or comminuting
Patent
1985-01-28
1987-08-11
Feldman, Peter
Presses
With additional treatment of material
Cutting, breaking, piercing, or comminuting
100 47, 100162B, 100170, 29113AD, 219 1071, B30B 1534, B30B 1504
Patent
active
046853898
ABSTRACT:
A device for controlling the diameter of cylindrical sections of a rotating calender roll. The device comprises at least one nozzle which directs a jet of air against the calender roll. The flow of air from each nozzle remains approximately constant. Only the temperature of the jets change as heating elements associated with each nozzle are energized or deenergized. Thermal expansion or contraction, resulting from localized heating or cooling by the air jets, corrects local non-uniformities in the calender roll diameter.
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patent: 3094606 (1963-06-01), Ferris
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patent: 4425489 (1984-01-01), Pav et al.
patent: 4573402 (1986-03-01), Sharma et al.
Pulp & Paper Magazine Nov. 1984, pp. 54-55.
Pulp & Paper Magazine Dec. 1984 p. 157.
Feldman Peter
Measurex Corporation
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