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  1. Home
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  3. Manufacturing and processing machinery
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  5. Bag making machine/slitter
  6. Double tube (combination of small diameter core and large diameter core)

Double tube (combination of small diameter core and large diameter core)

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last updated:Dec 23, 2025

ユニプラ 本社、東京営業所、名古屋営業所、川越事業場、狭山事業場
ユニプラ 本社、東京営業所、名古屋営業所、川越事業場、狭山事業場
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Prevention of curling due to double-tube structure

Dual-tube structure winding core (winding core, bake core) combining small diameter core and large diameter core 【Features】 ☑ Weight reduction and improved workability Even with a larger outer diameter, the hollow structure allows for a reduction in the weight of the winding core, enhancing workability during handling and transportation. ☑ Resolution of winding tendency issues When winding thicker films or when the outer diameter of the core is smaller, there is a tendency for winding issues to occur. Our dual-tube structure reduces winding tendencies by combining small diameter and large diameter cores, leading to a reduction in material loss during winding.

    Bag making machine/slitter
二重管1-1.jpg

Double tube (combination of small diameter core and large diameter core)

二重管1-1.jpg
二重管1-1.jpg
  • Related Link - https://www.unipla.co.jp/products/core/

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basic information

Selvic U211

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Applications/Examples of results

Usage: For metal foil, non-metal foil, film, and printed paper sheet labels.

Detailed information

  • 2重管構造上下調整.jpg

Company information

ユニプラ

ユニプラ 本社、東京営業所、名古屋営業所、川越事業場、狭山事業場

Resin/Plastic

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Our company is a comprehensive manufacturer that utilizes the technology cultivated in the field of thermosetting resins to carry out integrated production from material development to molding and processing. We are confident that our mission is to gather the collective strength of research and development, production, and service to respond to the new era of plastics, and we are committed to further honing our skills to contribute to the advancement of society.

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