发明名称 Plastic lens barrel and method for manufacturing the same
摘要 A plastic lens barrel and method for manufacturing the plastic lens barrel are provided. The plastic lens barrel includes a front portion, a rear portion, a side portion, and at least three gate vestiges formed on at least one of the front portion, the rear portion, and the side portion. The front portion has a front opening. The rear portion has a rear opening. The side portion connects the front portion and the rear portion. An outermost diameter of the plastic lens barrel is Dmax and Dmax<10 mm. The method for manufacturing the plastic lens barrel by injection molding with a plurality of injection channels includes the steps of providing an injection mold of a plastic lens barrel structure having at least three injection channels and injecting a molding material into the injection mold through the injection channels to obtain the plastic lens barrel.
申请公布号 US2014133040(A1) 申请公布日期 2014.05.15
申请号 US201213711536 申请日期 2012.12.11
申请人 LARGAN PRECISION CO., LTD. 发明人 TSAI CHUN-HUA
分类号 G02B7/02 主分类号 G02B7/02
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