Corrugating apparatus having a liquid filled seal roll

Details Corrugating apparatus having a liquid filled seal roll Corrugating apparatus having a liquid filled seal roll

1990-05-24

1992-11-03

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Chamber enclosing work during bonding and/or assembly

291295, 156472, 156473, B31F 128, B32B 3112

Patent

active

051604000

ABSTRACT:
An improved idler roll is disclosed including a longitudinal cylinder having tubular walls sealed at the ends by flanged stub shafts. The interior of the idler roll is filled with ethylene glycol. The idler roll can be placed into rolling abutment with a heated surface, and when the idler roll is stopped for a period of time, the thermal distortion along the longitudinal length of the idler roll is minimal. When the idler roll is once again started, the fluid in the idler roll causes a forced convection heat transfer, evenly distributing the temperature of the idler roll, and thereby eliminating the thermal distortion.

REFERENCES:
patent: 1702140 (1929-02-01), Topham
patent: 3844822 (1974-10-01), Boss et al.
patent: 4229644 (1980-10-01), Namiki et al.
patent: 4261784 (1981-04-01), Saito
patent: 4471515 (1984-09-01), Takenaka et al.
patent: 5030504 (1991-07-01), Botsolas et al.
patent: 5110396 (1992-05-01), Harris

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