Presses – Methods – With heating or cooling
Patent
1986-09-26
1988-02-09
Reynolds, Wm. Carter
Presses
Methods
With heating or cooling
100 93P, 100154, 1565834, 1565835, B30B 506
Patent
active
047234849
ABSTRACT:
In a double-band press for the continuous pressing of material webs which require hardening temperatures which are too high to be withstood by the seals of pressure chambers in the double-band press, a pressure plate of the double-band press is divided into an edge area and an inner area, with the edge area having a temperature which is capable of being withstood by the seal material, while the inner area is heated to an increased temperature suitable for processing the material webs. During operation of the apparatus, heat is conducted from the inner area to a portion of the press belt lying against it. The pressure plate is formed with a rectangular recess in which is arranged a pressure plate insert forming the inner area. The pressure plate insert is heated and includes thermal conducting elements which are in contact with the pressure plate insert with one surface and which, with another surface, contacts the press belt in sliding engagement.
REFERENCES:
patent: 2364597 (1944-12-01), Atwood
patent: 3185073 (1965-05-01), Hartesveldt et al.
patent: 3386503 (1968-06-01), Corning et al.
patent: 4193342 (1980-03-01), Held
patent: 4485733 (1984-12-01), Held
patent: 4494648 (1985-01-01), Held
patent: 4541889 (1985-09-01), Held
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