We manufacture parts for eyeglass frames using injection molding. If you have any specific molding requests, please contact us.
The eyeglass frames and the parts used are made of two types: resin (plastic) and metal (metal), with the resin frame parts being manufactured through injection molding. 【Injection Molding】 ○ Melting the Resin Thermoplastic resin (plastic) is heated to its softening temperature. ○ Filling The softened thermoplastic resin (plastic) is filled into the mold under a pressure of 10 to 3000 kgf/cm². (It is pushed in.) ○ Ejection The filled resin is cooled and hardened in the mold before being ejected. In molding, in addition to the shape of the molded product, various conditions such as temperature, pressure, and cooling differ for each type of resin, which can require considerable time for condition setting. If you have a specific molding request, please feel free to contact us.
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basic information
【Frame】 ○Front The part that comes into contact with the face when wearing glasses. ○Entire Temple The part that supports the front section to prevent it from falling off. ○Temple to Modern (Ear Hook Part) The part that supports the front section to prevent it from falling off when wearing glasses and provides a fit that wraps around the head with the entire frame. ○Connection Point to Armor The part attached to the tip of the temple, allowing for connection and folding with the front section. 【Temple Tip Parts】 ○Modern →To ensure the temple functions properly, the tip must hook over the ear, so it protects the area that comes into contact with the ear to prevent pain or injury, and assists in maximizing the functionality of the temple. →The tip of the temple is often made of metal. ●If you have any specific molding requests, please feel free to contact us.
Price information
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Delivery Time
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Applications/Examples of results
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Detailed information
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Front part that touches the face of the glasses.
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Temple tip parts (modern) In order for the temple section to function, it needs to hang over the ear, so it is important to protect the area that comes into contact with the ear to prevent pain or injury, while also assisting in maximizing the functionality of the temple.
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Entire temple Parts that support the front section to prevent it from falling off.
Company information
Kato Hachi Co., Ltd. has been established since 1970 and has built a business foundation related to "glasses and lenses" in the local Fukui eyewear industry. As a manufacturing and processing company, we will unite our long years of experience, accumulated technology, and motivated young talent as management resources to challenge ourselves towards becoming a 100-year company.