Methods of and apparatus for the further processing of gobs of g

Details Methods of and apparatus for the further processing of gobs of g Methods of and apparatus for the further processing of gobs of g

1991-09-13

1992-04-28

Schor, Kenneth M.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 46, 65 54, 65 64, 65 72, 65 76, 65 77, 65 79, 65 82, C03B 1106, C03B 903, C03B 900

Patent

active

051084783

ABSTRACT:
A gob of glass sucked from a glass metal and held in a suction mold (7) is further processed by preshaping the glass in the mold by a punch (4) having a projection (9) for forming in a recess or cavity (14) in the gob in the opening in the mold, and a plate-like surface (10) for forming a plate shaped bead (5) around the opening. This results in a large contact surface against which a blowpipe (1') with a transverse attachment plate (6) having a working surface flush with the end of the bore (3) of the blowpipe is pressed to attach the plate (6) to the bead (5). With this arrangement, the bore cannot become blocked with glass during the pressing operation.

REFERENCES:
patent: 693130 (1902-02-01), Haley et al.
patent: 1777206 (1930-09-01), Burthe et al.
patent: 2338269 (1944-01-01), Schwarz
patent: 4411681 (1983-10-01), Northup
patent: 4619682 (1986-10-01), Gunthner

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