Patent ID: 7809253

Claim:
A forced hot air drying unit, comprising: an elongated body with an air inlet and an internal air cavity, said air inlet open into said internal air cavity to allow pressurized air to enter said internal air cavity, at least one air outlet arranged along a length of said internal air cavity to allow air to pass from said internal air cavity to the exterior of said body, and a heater element mounted in heat transfer contact with said body; wherein said internal air cavity comprises at least one longitudinal air channel and a lateral air channel, said at least one longitudinal air channel in flow communication with said air inlet at one end and with said lateral channel at an opposite end, said lateral channel in flow communication with said air outlet; and wherein said body comprises a rectangular block and said at least one longitudinal channel comprises a main longitudinal channel and at least one distribution longitudinal channel substantially through said block, said main longitudinal channel and said at least one distribution longitudinal channel having said at least one air outlet which comprises a plurality of spaced-apart air outlets, and wherein said block comprises a longitudinal heater channel for closely receiving said heater element, said air channel and said heater channel being separated by solid portions of said block.