We will eliminate "wrinkles" and "shrinkage" in film, paper, metal foil, and non-woven fabric!
【Product Features】 It can be widely used for films, paper, non-woven fabrics, and metal foils with smooth rotation. Even if the rubber is damaged during use, the rubber sleeve can be replaced. By reducing tension, it removes wrinkles and creases without leaving damage or distortion caused by friction. Additionally, with excellent durability and high rotational accuracy, it supports high-speed operation and ensures reliable wrinkle removal. The grip performance can be customized according to the material and application of the sheets handled by the customer. In addition to standard steel, we also offer production in corrosion-resistant stainless steel, ensuring safe use even in clean environments.
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basic information
Size (Product Specifications) • Rubber outer diameter (mm): φ17 to φ340 • Rubber surface length (mm): 100 to 8200 • Remarks: We also accept custom manufacturing tailored to your equipment and applications. Please feel free to consult us about dimensions other than those listed above.
Price information
To propose the optimal specifications and prices for our customers, we first accept technical consultations. Please feel free to contact us via the inquiry form or by phone, along with your request for a quote.
Delivery Time
Applications/Examples of results
【Applications】 Films: Optical films, packaging films, agricultural films, battery separator films, thin films, etc. • Paper: High-quality paper, corrugated cardboard base paper, specialty paper, etc. • Metal foils: Secondary battery electrode materials (copper foil, aluminum foil), foils for capacitors, etc. • Textiles and non-woven fabrics: Glass fiber fabrics, carbon fibers, various industrial non-woven fabrics, mask materials, etc. • Others: All sheet-like web materials (Roll to Roll transport items)
Company information
We are Osaka Senshoku Kikai Co., Ltd., the pioneer and first manufacturer to domestically produce "Expander Rolls" in Japan. We provide fundamental solutions to eliminate "wrinkles," "shrinkage," and "slippage" in Roll-to-Roll web handling processes for films, metal foils, and non-woven fabrics. [Our Core Strengths] ◆ Japan's Only "Precision Curved Grinding" Our unique technology enables precision grinding while the roll is in its curved state. This eliminates vibration even on high-speed lines for ultra-thin films, dramatically improving your production yield. ◆ Ultra-Low Torque "Drive-less Design" No motor required. Our rolls rotate smoothly driven solely by the web's conveying force, effectively preventing slip scratches on your products. ◆ "Special Materials" & "Retrofitting" Fully compatible with special materials such as "fluorine rubber" (FKM), which is essential for high-temperature and adhesive lines. We also have an extensive track record of replacing/retrofitting other manufacturers' flat-type rolls with our curved rolls. ◆ Repair & Refurbishment for All Brands We provide repair and restoration services for expander rolls from any manufacturer, both domestic and international. [Proven Track Record] Since our founding in 1951, our cutting-edge technology has been featured on major national TV news programs and exhibited at the Expo 2025 Osaka, Kansai. Beyond standard catalog specifications, we promise to offer the optimal proposals and solve your line's most difficult challenges. Please feel free to contact us.
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