Apparatus for preparing adhesives for application

Details Apparatus for preparing adhesives for application Apparatus for preparing adhesives for application

1987-04-06

1989-07-25

Ford, John

Heat exchange

Heating and cooling

Heating and cooling of the same material

2221461, 222318, 425144, 4253781, 264 406, F25B 2900, B67D 562

Patent

active

048504254

ABSTRACT:
A melter for adhesives such as hot melt adhesives or the like including a high melt zone having high melt heater means for heating the adhesive in the high melt zone to a preselected application temperature, a feed hopper positioned vertically above the high melt zone and a cooling mechanism positioned vertically above the high melt heater means to create a thermal barrier between the high melt heater means and the feed hopper to prevent migration of heat from the high melt zone to the feed hopper. The present invention also relates to a method for preparing adhesives for application including heating the adhesive to a preselected application temperature in a high melt zone and forming a thermal barrier in an area vertically above the high melt zone to limit the upward migration of heat from such zone.

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