B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
32/46
B05C 5/04 (2006.01) B29B 13/02 (2006.01)
Patent
CA 1178803
APPARATUS FOR MELTING AND DISPENSING THERMOPLASTIC MATERIAL Abstract of the Disclosure An apparatus for melting and dispensing thermoplastic material comprising a melter tank, a pump contained within the melter tank, a dispenser, and a manifold block mounted on the bottom of the melter tank. Thermoplastic material melted in the tank flows from the melter tank through the pump through the manifold block to the dispenser. The melter tank comprises a novel electrical resistance heating element cast into the bottom wall of the tank. The heating element is asymetrically shaped within the bottom wall of the melter tank and is so configured that the length of the heater element within any portion of the bottom wall is proportional to the mass of material, including melter tank, manifold block, pump, and thermoplastic material to be heated by the given length of heater element within that portion. Additionally, the tank side walls are generally tri- angular in cross section with the thicker part of the triangular shaped side walls located adjacent the bottom of the tank. A portion of the heating element is located directly under each side wall so that heat is effectively conducted from the bottom wall into the side walls, and from the side walls into the thermo- plastic material contained within the tank.
411332
Corporation Nordson
Macrae & Co.
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