Vacuum insulator using glass white wool and its fabrication...

Details Vacuum insulator using glass white wool and its fabrication... Vacuum insulator using glass white wool and its fabrication...

2005-04-19

2005-04-19

Lechert, Jr., Stephen J. (Department: 1732)

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

C428S076000, C264S101000, C264S102000, C264S109000, C264S120000

Reexamination Certificate

active

06881467

ABSTRACT:
The vacuum insulator in accordance with the present invention comprises glass white wool body which density is 0.1˜0.5 g/cm3in density and is below 0.0023 kcal/mh° C. in thermal conductivity, and a non permeable container surrounding the body in which the pressure is between 10−6˜10−1torr. The vacuum insulator is fabricated by piling up glass white wool, thermal-pressutizing the piled glass white wool to form a body of 0.1˜0.5 g/cm3in density wherein the pressurizing is done at 0.007˜1.5 kg/cm2and under 20° C. for more than 10 minutes, putting the body in the non-permeable container, and producing a vacuum in the container.

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