Apparatus for melting and dispensing thermoplastic material

Details Apparatus for melting and dispensing thermoplastic material Apparatus for melting and dispensing thermoplastic material

B - Operations, Transporting

05

C

32/46

B05C 5/04 (2006.01) B05C 11/10 (2006.01) B29B 13/02 (2006.01)

Patent

CA 1179842

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 pump is mounted in the tank and is either a reciprocating piston type or a rotary gear type pump, the two being interchangeable upon the tank. If a gear type pump is used, it is provided with a built-in pressure control valve operable to circulate the pump flow back to the tank when the dispenser flow is terminated or when there is greater pump flow than is required at the dispenser. Con- tained interiorly of the manifold block in the flow path between the pump and the dispenser there is a replaceable filter. This filter is threadedly mounted in the manifold block but assembly is such that upon removal of the filter, molten thermoplastic material cannot contact and clog the filter mounting threads.

411330

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