Plunger press and method for producing compressed bales
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United States of America Patent
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Dec 8, 2015
Grant Date -
Feb 28, 2013
app pub date -
Apr 14, 2010
filing date -
Apr 14, 2010
priority date (Note) -
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Abstract
A plunger press produces compressed bales of forage, straw, biomass or fibrous mass for agricultural and/or industrial use. The press includes a bale case, a reciprocating plunger structure, at least one material feeding duct laterally leading into a material charge feeding section of the bale case, and at least one plunger structure drive mechanism. The plunger structure compresses respective material charges fed from the feeding duct into the bale case. The plunger structure is subdivided perpendicularly to a reciprocation direction of the plunger structure in the bale case into at least two structurally separated compression surfaces. Each of the compression surfaces is smaller than a cross-section area of the bale case. The compression surfaces are driven substantially parallelly in the reciprocation direction and with a time shift in relation to each other to alternatingly compress material on partial surfaces of the cross-section area.
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