20240017461. APPARATUS AND METHOD FOR EXTRUDING A FLUID MATERIAL simplified abstract (NORDSON CORPORATION)

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APPARATUS AND METHOD FOR EXTRUDING A FLUID MATERIAL

Organization Name

NORDSON CORPORATION

Inventor(s)

Salvatore Giovanni Iuliano of Eau Claire WI (US)

Michael Kenneth Truscott of Chippewa Falls WI (US)

Brandon James Schultz of Chippewa Falls WI (US)

Gerrit Van De Rostyne of Overmere (BE)

Cathy Gomez of Alsemberg (BE)

Günther Lambrecht of Assenede (BE)

APPARATUS AND METHOD FOR EXTRUDING A FLUID MATERIAL - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240017461 titled 'APPARATUS AND METHOD FOR EXTRUDING A FLUID MATERIAL

Simplified Explanation

The abstract describes an extrusion die with two die bodies that create an extrusion cavity. The cavity has an inlet, a primary manifold, and an outlet that forms an elongate slot. In some cases, the cavity also includes an intermediate chamber that extends from the primary manifold. The intermediate chamber has a back line and a front line that taper away from each other towards the ends of the die. The primary manifold has a front end portion with opposing inner surfaces, with at least one surface tapering towards the other along the flow direction. Additionally, the inner surface may have curved portions to provide a smoother transition to a downstream chamber of the extrusion cavity.

  • The extrusion die has two die bodies that create an extrusion cavity.
  • The cavity includes an inlet, a primary manifold, and an outlet forming an elongate slot.
  • In some cases, the cavity also has an intermediate chamber extending from the primary manifold.
  • The intermediate chamber has a back line and a front line that taper away from each other towards the ends of the die.
  • The primary manifold has a front end portion with opposing inner surfaces.
  • At least one inner surface tapers towards the other along the flow direction.
  • The inner surface may have curved portions to provide a smoother transition to a downstream chamber.

Potential Applications:

  • This extrusion die design can be used in various manufacturing processes that involve extrusion, such as plastic or metal fabrication.
  • It can be applied in industries like automotive, construction, packaging, and consumer goods.

Problems Solved:

  • The design of the extrusion die helps to improve the flow of material through the die cavity, reducing the risk of defects or inconsistencies in the extruded product.
  • The tapering and curved portions of the die cavity provide a smoother transition, minimizing the chances of material buildup or blockages.

Benefits:

  • Enhanced product quality: The smoother transition and improved flow control result in extruded products with better surface finish and dimensional accuracy.
  • Increased productivity: The optimized design reduces the need for manual adjustments and minimizes downtime due to material blockages.
  • Cost savings: The improved flow and reduced defects lead to less material waste and lower production costs.



Original Abstract Submitted

an extrusion die has first and second die bodies that define an extrusion cavity therebetween. the extrusion cavity has an inlet, a primary manifold that extends from the inlet along a flow direction, and an outlet that defines an elongate slot. in some examples, cavity has an intermediate chamber that extends from the primary manifold along the flow direction, the intermediate chamber having a back line and a front line that taper away from one another as they extend outwards towards opposing ends of the die. the primary manifold has a front end portion that is defined between opposing inner surfaces, at least one of inner surface tapering towards the other as it extends along the flow direction. in some examples, the inner surface has first and second curved portions that curve to provide a smoother transition from the primary manifold to a downstream chamber of the extrusion cavity.

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