Trimming products from sheet glass

Details Trimming products from sheet glass Trimming products from sheet glass

1985-05-07

1986-08-12

Kellogg, Arthur

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65 70, 65112, 65 97, C03B 1100

Patent

active

046054294

ABSTRACT:
A method is disclosed for trimming a newly formed article from sheet glass while it is still in a semi-molten condition, by maintaining a peripheral portion of the sheet glass about the newly formed article out of contact with the mold so as to maintain its temperature, and then reducing the thickness of such peripheral portion without severing the same, and then cooling the thinned section to thermally crack-off and separate the newly formed article from the sheet glass.

REFERENCES:
patent: 2840952 (1958-07-01), Soubier
patent: 3193367 (1965-06-01), Giffen
patent: 3582454 (1971-06-01), Giffen
patent: 4261706 (1981-04-01), Blanding et al.
patent: 4361429 (1982-11-01), Anderson et al.

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