Plastic lens barrel and method for manufacturing the same
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United States of America Patent
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Apr 28, 2015
Issued Date -
N/A
app pub date -
Dec 11, 2012
filing date -
Nov 13, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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.
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