Dispensing – With heating or cooling means – Cooling only
Patent
1978-06-29
1980-04-01
Scherbel, David A.
Dispensing
With heating or cooling means
Cooling only
219230, 219421, 222260, B67D 562, B67D 548
Patent
active
041957555
ABSTRACT:
Apparatus for dispensing thermoplastic material, such as hot melt glue, from a shipping container, such as a 55-gallon drum, including a heated follower and mechanism for urging the follower into the container against the surface of the thermoplastic material. A plurality of groups of conductive fins secured to the follower for transferring heat to the material so as rapidly to heat the material to a flowable condition. Each group of fins includes a plurality of parallel fins which define channels therebetween, the channels being oriented so as to afford fluid flow toward the center of the follower, a location at which the inlet of a pump is mounted in receiving relation to the heated material. The thickness of the fins and the width of the channels are established to expedite heat exchange between the heated follower and the material as well as provide a low impedance flow path for the material.
REFERENCES:
patent: 3412903 (1968-11-01), Van Riper, Jr. et al.
patent: 3877610 (1975-04-01), Dickey
patent: 4073409 (1978-02-01), Gardner et al.
patent: 4090640 (1978-05-01), Smith et al.
Honeyman R. Blakeley
Slautterback Fred A.
Lockwood Technical Inc.
Olson Thomas H.
Scherbel David A.
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