"Narrow frame" and "seamless" integrated molded product of resin frame with glass and decorative features!
【Customer Development Needs】 We received a request to minimize the bezel by integrating the display glass and resin frame through one-shot molding, in order to maximize the display without changing the size of the mobile device. 【More Specific Requirements】 There was a demand to enhance the precision of the glass insert, minimize the bonding area to the utmost, and ensure waterproofing. 【Our Proposal】 We jointly developed a binder printing that bonds with resin on the back of the glass along with decorative design, which is fused using the heat of the molded resin. We ensured quantitative management of the bonding strength and guaranteed waterproof performance through airtightness testing with specialized equipment. Utilizing the advantages of our in-mold transfer technology, we established a method where "the transfer does not occur on the glass but does on the resin frame," allowing for frame decoration during molding. 【Customer Evaluation】 We were able to provide a product with a narrow bezel and no gaps or steps between the glass and frame, which has been adopted by set manufacturers both domestically and internationally. Additionally, we received requests for not only flat glass inserts but also "bent glass" inserts, which were also adopted.
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basic information
■Molding Method Glass Insert In-Mold (GIM) Molding ■Molding Resin PC-ABS Resin ■Compatible Molding Machine 110 tons ■Product Size 130mm × 58mm × 3mm ■Product Specifications Glass: Aluminosilicate six-sided reinforced glass Front side AFP processing, back side silk printing (including binder) Resin Surface: Hard coat + design transfer (in-mold) Secondary Processing: Gate treatment, air leak test
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Applications/Examples of results
■Front cover for mobile devices ■Rear cover for mobile devices ■Cover lens for in-vehicle CID ■Cover for ATM equipment bill reading camera ■Stationery
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Company information
**About Yoshida Techno Works** We are the world's first manufacturer to commercialize in-mold transfer molding, which utilizes plastic molding and decoration technology cultivated through cosmetic container manufacturing, allowing for simultaneous molding and transfer decoration. **Key Technologies** - Double in-mold molding that performs simultaneous decoration on both sides of the product - Hybrid molding that combines sheet inserts with in-mold techniques - Glass insert in-mold (GIM) molding that inserts reinforced glass into the mold, allowing for integrated molding of resin frames and decoration - Two-color in-mold molding that combines rotational two-color molding with in-mold transfer - Composite technology that integrates metal (such as SUS sheet metal and nuts) with in-mold molding - Real material (natural wood, fabric, synthetic leather, etc.) insert molding - Out-mold deep drawing decoration method (VSS) compatible with metal, glass, and resin