Berry Global Group. has filed a patent for a spinneret designed for melt-spinning polymeric fibers. The spinneret body includes various spinning orifices, including multicomponent and monocomponent openings, allowing for the creation of nonwoven fabrics with different fiber compositions. GlobalData’s report on Berry Global Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Berry Global Group, Extrusion-based additive manufacturing was a key innovation area identified from patents. Berry Global Group's grant share as of January 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.

Spinneret for melt-spinning polymeric fibers with multicomponent spinning orifices

Source: United States Patent and Trademark Office (USPTO). Credit: Berry Global Group Inc

A spinneret for melt-spinning polymeric fibers has been claimed in a filed patent (Publication Number: US20240003065A1). The spinneret body includes a variety of spinning orifices, with multicomponent spinning orifices and monocomponent spinning orifices being part of the design. The spinneret body's dimensions allow for rows of spinning orifices to extend independently along a significant portion of its width. The multicomponent spinning orifices can be configured in different ways, such as side-by-side, multi-lobal, sheath-and-core, or islands-in-the-sea configurations. The distribution of multicomponent and monocomponent spinning orifices is specified, with multicomponent spinning orifices accounting for a majority of the total number of spinning orifices.

Furthermore, the patent includes claims related to a nonwoven fabric produced using the spinneret. The nonwoven fabric comprises a combination of monocomponent fibers and crimped multicomponent fibers arranged in specific regions. These regions can have different outermost surfaces based on the fiber groups present. The arrangement of first and second regions can follow alternating patterns along different directions within the fabric. The method of producing the nonwoven fabric involves simultaneously melt spinning both types of fibers, collecting them, and forming crimped portions in the multicomponent fibers to create the desired fabric structure. The weight distribution of monocomponent and multicomponent fibers in the fabric is also specified in the patent claims.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.