Apparatus for molding a glass optical element with a transportin

Details Apparatus for molding a glass optical element with a transportin Apparatus for molding a glass optical element with a transportin

1994-09-15

1996-12-31

Hoffmann, John

Glass manufacturing

Gob charging means with shape imparting receptacle means

By delivery from tank feeder

65226, 65260, 65286, 65305, C03B 1100

Patent

active

055889808

ABSTRACT:
A molding apparatus includes a glass ejection chamber for pre-molding glass, a glass heating chamber having a heating furnace, a precision press chamber for molding an optical element, and a mechanism for transporting a glass supporting member. A method for molding an optical element using the molding apparatus includes the step of providing a molded lens receiving molded part and a supporting member in the glass ejection chamber. The glass is heated in the heating chamber while being supported on the supporting member after being separated from the receiving mold part. The glass is molded into the optical element by a pair of mold parts having molding surfaces formed in conformity with the major surfaces of the optical element.

REFERENCES:
patent: 3844755 (1974-10-01), Angle
patent: 3961927 (1976-06-01), Alderson
patent: 4698089 (1987-10-01), Matsuzaka

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