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1. (WO2018085675) ULTRASONIC MOLDING OF THIN WALL OPTICAL COMPONENTS

Pub. No.:    WO/2018/085675    International Application No.:    PCT/US2017/059959
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Sat Nov 04 00:59:59 CET 2017
IPC: B29C 45/02
B29C 45/27
B29C 45/58
B29C 45/56
Applicants: JOHNSON & JOHNSON VISION CARE, INC.
Inventors: LUST, Victor
MILLER, Jeffrey
PORTER, David
PANDOJIRAO, Praveen
PUGH, Randall B.
Title: ULTRASONIC MOLDING OF THIN WALL OPTICAL COMPONENTS
Abstract:
An ultrasonic molding device (100) for molding thin-walled optical components which includes an ultrasonic assembly (128) and a plunger assembly (132) for melting thermoplastic material and injecting it into a mold under reduced pressure conditions.