US 11,858,176 B2
Die assembly with pressure regulating device, and a pelletizing apparatus
Nikolai Schnellbach, Münster (DE); and Anatoly Baklashov, Münster (DE)
Assigned to Nordson Corporation, Westlake, OH (US)
Filed by NORDSON CORPORATION, Westlake, OH (US)
Filed on Mar. 18, 2020, as Appl. No. 16/822,277.
Prior Publication US 2020/0298450 A1, Sep. 24, 2020
Int. Cl. B29C 31/04 (2006.01); B29B 9/10 (2006.01); B29C 37/00 (2006.01)
CPC B29C 31/04 (2013.01) [B29B 9/10 (2013.01); B29C 2037/90 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A die assembly for a pelletizing apparatus, the die assembly comprising:
a die plate comprising a plurality of die orifices; and
a pressure regulating device;
the pressure regulating device comprising:
a base member having a fluid inlet side and a fluid outlet side;
a flow channel formed in the base member to provide a fluid-conducting connection between the fluid inlet side and the fluid outlet side;
an annular channel section connected to the flow channel in a fluid-conducting manner and formed in a region of the fluid outlet side; and
a flow cross-section regulating element configured to influence a flow cross-section of the annular channel section, said flow cross-section regulating element being movable relative to the annular channel section and/or the flow channel,
wherein a regulating section adapted to influence the flow cross-section of the annular channel section is formed on the flow cross-section regulating element, the regulating section having pins which extend at least in sections into the annular channel section.