F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
26/106, 34/37
F26B 25/08 (2006.01)
Patent
CA 1163790
C 11 RV-llP METHOD FOR SEALING A DRYER ABSTRACT. OF THE DISCLOSURE A method for sealing a dryer against leakage of hot gases from within the dryer through joints between adjacent panels enclosing the interior of the dryer. The method comprises fastening respective elongate enclosing members into abutment with mutually adjacent pairs of panels along the joints between them so as to form respec- tive enclosures between the enclosing members and the panels at such joints. Thereafter, at a temperature less than the operating temperature of the dryer, a heat-resistant, gas- impermeable closed cell foam is injected into the enclosures through spaced perforations in the enclosing members so as to substantially fill the enclosures. Thereafter, when the veneer dryer is operated at its normal elevated operating temperature, the temperature of the closed cell foam is thereby increased so as to expand the foam within the enclosures into tight sealing abutment with the joints to prevent gas leakage therethrough.
369969
Oyen Wiggs Green & Mutala
Potter George R.
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