Double facer for use in corrugated fiberboard sheet...

Details Double facer for use in corrugated fiberboard sheet... Double facer for use in corrugated fiberboard sheet...

2005-02-15

2005-02-15

Corcoran, Gladys JP (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

C156S359000, C156S361000, C156S470000

Reexamination Certificate

active

06854496

ABSTRACT:
A double facer for use in a corrugated fiberboard sheet manufacturing system wherein a moisture content of a double faced corrugated fiberboard sheet is set at an optimum value at all times for stably producing the double faced corrugated fiberboard sheet with less bonding failure and less warp. The double facer comprises moisture content detecting means for detecting a moisture content of the double faced corrugated fiberboard sheet after passed through the heating means or for detecting a parameter correlating with the moisture content, and a control means for controlling a heat reception quantity of the double faced corrugated fiberboard sheet on the basis of a detection result from the moisture content detecting means so that the moisture content of the double faced corrugated fiberboard sheet approaches a predetermined optimum moisture content.

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Copy of Australia Patent Office Communication for corresponding Australian Patent Application 75576/01 dated Jun. 14, 2002.
Notice for Reasons of Rejection, Jun. 27, 2003, Japan, (translation attached).

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