Method of making a ribbon blown glass article

Details Method of making a ribbon blown glass article Method of making a ribbon blown glass article

1984-10-22

1986-02-25

Kellogg, Arthur

Glass manufacturing

Processes

Forming product or preform from molten glass

65 82, 65184, C03B 912

Patent

active

045727309

ABSTRACT:
A method and apparatus is disclosed to produce a blown glass article on a ribbon machine having a self supporting closed end. Said ribbon formed glass envelope has a cylindrical neck portion terminating at one end in a bulb portion of larger cross sectional dimensions and which includes the self supporting base end. The sides of said glass envelope can be curved or flat and with said self supporting base also being of a curved or planar contour. A novel mold construction permitting said glass envelope to be blown on a ribbon machine comprises a pair of cooperative halves forming the sides of the blown glass envelope in a central cavity in which further includes a separate base part located at the lower end of said cavity to shape the self supporting base, said base part of the mold being provided with reciprocal motion in a vertical direction.

REFERENCES:
patent: 3372826 (1968-03-01), Heaton
patent: 3694178 (1972-09-01), Hennequin
patent: 3716136 (1973-02-01), Birner et al.
patent: 3729301 (1973-04-01), Heaton et al.
patent: 3729302 (1973-04-01), Heaton
patent: 3792988 (1974-02-01), Nowak et al.

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