Viscous thermoplastic melting and dispensing unit

Details Viscous thermoplastic melting and dispensing unit Viscous thermoplastic melting and dispensing unit

1985-05-09

1987-02-10

Rolla, Joseph J.

Dispensing

With heating or cooling means

Heating only

222277, 222564, 1263435A, 126391, 219385, 219421, E67D 562

Patent

active

046417648

ABSTRACT:
A hot-melt tank having side walls and a bottom wall with a melt unit mounted on the bottom wall in the lower region of the tank, a melt zone. The melt unit includes a base mounted in the lower region and upwardly extending, spaced apart, parallel fins having a sloping upper end. The base does not block a material outflow port in the bottom wall of the tank, but is oriented so that the lowest portion of the sloping upper end of the fins is distal to the outflow port. A shelf, parallel to the bottom wall is positioned over the outflow port parallel to the base, intercepting the fins and secured thereto for blocking direct material inflow from the top of the tank into the outflow port. Rather, material flow is equalized in the lower region of the tank, being drawn to the outflow port from both short and long paths.

REFERENCES:
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patent: 4195755 (1980-04-01), Slautterback et al.
patent: 4227069 (1980-10-01), Gardner et al.
patent: 4383821 (1983-05-01), Campbell
patent: 4505669 (1985-03-01), Rogers

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