Dropping nozzle and molding apparatus
AssigneeKonica Minolta, Inc.
InventorsYASUO OOMORI, CHIAKI MACHIDA, TAKAYUKI KAMIKURA
Life of this patent
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Abstract
A dropping nozzle includes: a flow passage part that includes a flow passage that molten glass passes through; and an opening part that includes an opening that communicates with the flow passage, the opening part dropping the molten glass as a glass drop, wherein the opening includes a plurality of inclined parts in which adjacent inner inclination angles are different from each other in a section parallel to a center axis of the flow passage part, and from among the plurality of inclined parts, a first inclined part that is closest to the flow passage part has an inner inclination angle that is smaller than an inner inclination angle of a second inclined part that is farthest from the flow passage part.
Claims8
A dropping nozzle comprising:
- a flow passage part that includes a flow passage that molten glass passes through;
- and
- an opening part that includes an opening that communicates with the flow passage, the opening part dropping the molten glass as a glass drop, wherein
- the opening includes a plurality of inclined parts in which adjacent inner inclination angles are different from each other in a section parallel to a center axis of the flow passage part, and
- from among the plurality of inclined parts, a first inclined part that is closest to the flow passage part has an inner inclination angle that is smaller than an inner inclination angle of a second inclined part that is farthest from the flow passage part.
Dependencies are inferred from the claim text.