Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Patent
1993-02-03
1994-11-15
Jones, W. Gary
Glass manufacturing
Processes
Reshaping or surface deformation of glass preform
65106, 65289, C03B 23025, C03B 2303
Patent
active
053644360
ABSTRACT:
The invention relates to a method for bending glass sheets. A glass sheet supported by a ring mould (5) is caused to sag while being heated in successive heating stations. The glass sheet reaches a final bending temperature in a bending station (14). A press-bending mould (16) is transferred from outside bending station (14) into the bending station through an opening (22') in its wall. The ring mould (5) along with its glass sheet is lifted by means of a hoist mechanism (6) upwards for pressing the glass sheet against press-bending mould (16) for completing the bending. The same bending station (14) can also be used solely for gravitational bending when said press-bending mould (16) is retained outside the bending station.
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patent: 4297118 (1981-10-01), Kellar et al.
patent: 4349375 (1982-09-01), Kellar et al.
patent: 4497645 (1985-02-01), Peltonen
patent: 4626267 (1986-12-01), Reese
patent: 4804397 (1989-02-01), Stas et al.
patent: 4986842 (1991-01-01), Peltonen
patent: 5049178 (1991-09-01), Pereman et al.
Hoffmann John
Jones W. Gary
Tamglass Engineering Oy
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