Apparatus for making a synthetic resin layered lens for a vehicl

Details Apparatus for making a synthetic resin layered lens for a vehicl Apparatus for making a synthetic resin layered lens for a vehicl

1997-09-08

1999-07-13

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With coupling between charger and mold

2642978, 2643288, 2643289, 425576, B29C 4516

Patent

active

059223693

ABSTRACT:
A synthetic resin layered lens for a vehicle lighting device in which an upper lens layer is disposed on a lower lens layer thereby forming a layered lens of integral construction. The lower lens layer is molded in a state that the surface of the lower lens layer where it contacts the upper lens layer, faces the injection gate. The gate scar of the lower layer is thus hidden by the upper layer.

REFERENCES:
patent: 4714535 (1987-12-01), Coombes, Jr. et al.
patent: 4885121 (1989-12-01), Patel
patent: 5275764 (1994-01-01), Hettinga
patent: 5413743 (1995-05-01), Prophet
patent: 5415817 (1995-05-01), Shiao et al.
patent: 5523030 (1996-06-01), Kingsbury

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