System and method for hermetic packaging of glass sheets

Details System and method for hermetic packaging of glass sheets System and method for hermetic packaging of glass sheets

2008-05-27

2008-05-27

Fidei, David T. (Department: 3728)

Special receptacle or package

For plate or sheet

Fragile or sensitive

C206S204000, C206S449000, C053S445000

Reexamination Certificate

active

07377389

ABSTRACT:
A system and method for hermetic packaging of glass sheets, that includes applying to the glass sheets surfaces that will be in contact with other adjacent glass sheets, from the cutting line, an anti-humidity chemical treatment that includes a watery solution from 1 to 2% in weight of a mixture of adipic and malic, adipic and citric, or malic and citric acids 50-50 in a dosage preferably between 100 and 400 mg/m2, to protect glass against condensation humidity or rain. Sprinkling over said surfaces of the glass sheets, 500 to 700 mg/m2of separating powder of a selected granulometry less than 300 microns, forming a group of glass sheets. Placing a strip of cushioning material, such as the known as Polybubble Plastic, or corrugated cardboard, around the sides of the group of glass sheets, to provide a cushioning condition to the group of glass sheets during shipping and handling. Placing corners of cushioning material such as corrugated cardboard, in every corner of the group of glass sheets, on the strip of cushioning material. Wrapping hermetically the group of glass sheets along with the stripe and the cushioning material corners, with a thermo shrinking plastic of a determined thickness and preferably from 500 to 1000 caliber, forming a hermetic package. And applying heat to the package wrapped in plastic, to obtain a highly hermetic sealing, and placing the hermetic package in a container such as a frame or wooden box, in order to be handled as a hermetic package.

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