Dispensing – With heating or cooling means – Heating only
Patent
1983-07-12
1986-07-08
Rolla, Joseph J.
Dispensing
With heating or cooling means
Heating only
222189, B67D 562
Patent
active
045988412
ABSTRACT:
A modular apparatus for extruding a pressurized molten thermoplastic material comprising a service block module which defines a first passage for the material and includes front and rear surfaces. A removable gun module is attachable to the front surface of the service block module. A combination filter-control valve assembly is contained within the service block module. The assembly communicates with the first passage so as to filter and control the flow of material to the gun module.
REFERENCES:
patent: 2771905 (1956-11-01), Griswold
patent: 3307217 (1967-03-01), Cameron
patent: 3826224 (1974-07-01), Baker et al.
patent: 3942687 (1976-03-01), Walus
Belsheim Stephen T.
Gill Michael L.
Nordson Corporation
Pedersen Nils
Rolla Joseph J.
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