Method and apparatus for producing lens for vehicular lamp
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 18, 2001
Grant Date -
N/A
app pub date -
Feb 22, 2000
filing date -
Feb 22, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for low-cost production of a lens for a vehicular lamp formed by integrally joining a plurality of synthetic resin lens members through vibration welding. The s apparatus includes a fixed portion and a vibrating portion, each have a lens fixing jig composed of a pair of respective holding jigs. The method includes the steps of supporting the respective lens members with one of the jigs, holding a lens member between a pair of holding jigs located close together, bringing each welding portion of the respective lens members into contact with each other by moving the vibrating portion and the fixed portion close together, and integrally welding the lens members by vibrating the vibrating portion.
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