Vacuum heat insulating material and refrigerating apparatus...

Stock material or miscellaneous articles – Hollow or container type article

Reexamination Certificate

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C428S034500, C428S069000, C220S592010, C220S592020, C220S592270

Reexamination Certificate

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07611761

ABSTRACT:
Vacuum heat insulating material having core material consisting of inorganic fibers and exterior covering material for storing the core material. The inorganic fibers include silicon oxide as a main component. The surface of the inorganic fibers has Si—OH/Si—O ratio equal to or higher than 0.1 and equal to or lower than 20. The vacuum heat insulating material has intersecting points at which the fibers are adhered to one another by an intermolecular interaction due to Si—OH groups.

REFERENCES:
patent: 4636415 (1987-01-01), Barito et al.
patent: 5591505 (1997-01-01), Rusek
patent: 6938968 (2005-09-01), Tanimoto et al.
patent: 7485352 (2009-02-01), Yuasa et al.
patent: 2003/0157284 (2003-08-01), Tanimoto
patent: 2004/0253406 (2004-12-01), Hayashi et al.
patent: 86100942 (1986-08-01), None
patent: 1425116 (2003-06-01), None
patent: H07/139691 (1995-05-01), None
patent: H07/167376 (1995-07-01), None
patent: 2002/310383 (2002-10-01), None
International Search Report of PCT/JP04/012320.

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