Glass manufacturing – Glassworking or preform by or with reheating means – Planar sheet preform
Patent
1987-04-03
1989-03-21
Kellogg, Arthur
Glass manufacturing
Glassworking or preform by or with reheating means
Planar sheet preform
65106, 65287, C03B 23023
Patent
active
048139939
ABSTRACT:
A device for forming glass sheets for using the forming process according to which the glass sheets are brought horizontally into a heating furnace then are brought to a forming station where they are transferred individually and vertically to an upper mold exhibiting a radius of curvature less than or equal to the one it is desired to impart to the glass, then are applied against the upper mold by a suction due to a low pressure created on their periphery and in the vicinity of their periphery. The device essentially comprises a suction box in which is placed an upper mold with dimensions slightly less than those of the glass sheet to be shaped and whose lower face, against which the glass sheet is applied, is located on the outside of said suction box.
REFERENCES:
patent: 4615724 (1986-10-01), Fackelman
patent: 4682997 (1987-07-01), Halberschmidt et al.
Letemps Bernard
Lissillour Jean
Perin Francis
Petitcollin Jean-Mark
Prouveur Herve
Kellogg Arthur
Saint-Gobain Vitrage
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