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US 5,540,747 AGranted
Multiple orifice glass feed utilizing plungers
AssigneeOwens-Brockway Glass Container Inc.
InventorGarrett L. Scott
Life of this patent
Estimating the term…
Abstract
A multiple glass feed system for use with a glass forehearth including a plurality of closely spaced plungers, each of which is individually adjusted independently of the other. The upper end of each plunger is oval in cross section and the lower end is round. The oval portions of the plungers are provided in side by side relation with the long axis of each oval portion parallel to the long axis of the adjacent plungers.
Claims3
A multiple orifice glass feed system for use with a glass forehearth including
- a plurality of closely spaced vertical plungers,
- each said vertical plunger having an upper portion and a lower portion,
- each said upper portion of each vertical plunger having an upper end,
- each said upper portion of each vertical plunger being oval in horizontal cross section with said oval horizontal cross section having a long axis and a short axis,
- each said lower portion of each vertical plunger being cylindrical in horizontal cross section,
- said long axis of each said oval horizontal cross section of each vertical plunger defining a plane,
- means for engaging the upper ends of said vertical plungers and supporting said vertical plungers in closely spaced side-by-side relationship with said planes of adjacent plungers being parallel,
- said means engaging and supporting said plungers being constructed and arranged to vertically adjust said plungers independently of one another, and
- said upper portion of each said vertical plunger having the same oval cross section, and
- said lower portion of each said vertical plunger having the same diameter.
7 more elements
Dependencies are inferred from the claim text.