Variable profile roller particularly for the paper making indust

Details Variable profile roller particularly for the paper making indust Variable profile roller particularly for the paper making indust

1982-04-09

1985-08-13

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

26 2E, 38 44, 162357, 219244, 219530, 219469, B21B 2706

Patent

active

045352305

ABSTRACT:
The invention concerns variable contour rollers for use in calendering or pressing devices, printing presses and like applications. The rollers include an external element of cylindrical form, for example of cast iron, and in their interior a number of transverse elements which can be made to expand radially by heating. More or less substantial radial expansion provokes directly or indirectly a change in the profile of the exterior generally cylindrical working surface. The interior of the roller may be a shaft carrying heating elements and which is fixed or rotates with the external working surface.

REFERENCES:
patent: 1348469 (1920-08-01), Alexander
patent: 1535608 (1925-04-01), Johnson, Jr.
patent: 2047372 (1936-07-01), Jalens
patent: 2777931 (1957-01-01), Bundegaard et al.
patent: 2779851 (1957-01-01), Vogt
patent: 2961733 (1960-11-01), Hart
patent: 3020383 (1962-02-01), Owishi et al.
patent: 3278723 (1966-10-01), Van Toorn
patent: 3624353 (1971-11-01), Bjorklund

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