Thermoplastic melting and dispensing apparatus

Details Thermoplastic melting and dispensing apparatus Thermoplastic melting and dispensing apparatus

1981-07-31

1984-10-02

Rolla, Joseph J.

Dispensing

With heating or cooling means

Heating only

1263435R, B67D 562

Patent

active

044743114

ABSTRACT:
An apparatus for melting and dispensing thermoplastic material comprising a hopper, a grid melter, a reservoir and a pump. Solid thermoplastic material contained within the hopper is melted by the grid melter and flowed into a reservoir from which the pump supplies the molten material to a dispenser. The inside walls of the hopper are coated with "Teflon" which has been found to expedite remelting of molten material which has backed up into the hopper and solidified there. Additionally, the "Teflon" coating has been found to solve the problem of the seals between the reservoir, grid melter and hopper springing leaks upon the remelting of solid thermoplastic material contained in the hopper.

REFERENCES:
patent: 3531023 (1970-09-01), Mercer
patent: 3964645 (1976-06-01), Scholl
patent: 4178876 (1979-12-01), Nicklas
patent: 4352442 (1982-10-01), Leibhard et al.
Optimatic Brochure.

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