Non-contact porous air bearing and glass flattening device

Details Non-contact porous air bearing and glass flattening device Non-contact porous air bearing and glass flattening device

2011-03-22

2011-03-22

Daniels, Matthew J (Department: 1741)

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

C065S182100, C065S182200

Reexamination Certificate

active

07908885

ABSTRACT:
Thin substrates, such as flat glass panels, are levitated on a porous media air bearing creating a pressurized film of air and preloaded against the air film by negative pressure areas. The pressure can be distributed most uniformly across the pressure areas by defusing the pressure through a porous medium. Such a bearing can be used for glass flattening by holding the glass such that the unevenness is migrated to the side opposite the side to be worked on.

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