Dispensing – Plural sources – compartment – containers and/or spaced jacket – Packing or stacking arrangements
Patent
1995-10-30
1997-10-28
Shaver, Kevin P.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
Packing or stacking arrangements
219421, 2221465, 222129, 222255, B67D 562
Patent
active
056809611
ABSTRACT:
A system for supplying molten thermoplastic material to a dispenser has a hopper assembly which is made up of one or more hopper units each having opposite side walls being generally parallel to each other, the inlet and the outlet having generally the same cross section, so that the hopper units can be stacked on top of each other to increase the capacity of the hopper assembly. The hopper assembly might be supported on a plurality of reservoir blocks, with the hopper assembly straddling the plurality of reservoir blocks to supply melted material to all of the reservoirs. At least one isolator may be provided for thermally isolating one of the hopper units from the reservoir block and for thermally isolating the hopper units from each other, the isolator comprising a band of insulating material positioned between the flanges of the hopper unit and the reservoir block. The hopper assembly is preferably attached to the reservoir block by a plurality of clamps. Each of the clamps including at least one spring member to retain thrust force on the thrust member while accommodating expansion and contraction of the flanges.
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Boccagno George E.
Cucuzza Carl C.
Leyva Richard D.
Siddiqui Shahid A.
Nordson Corporation
Shaver Kevin P.
LandOfFree
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