Process for the heat treatment of insulating material

Details Process for the heat treatment of insulating material Process for the heat treatment of insulating material

1988-03-28

1990-03-06

Cashion, Jr., Merrell C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156166, 1562737, 1563071, B32B 3128

Patent

active

049063090

ABSTRACT:
This invention relates to the heat treatment of thermally insulating fibrous materials, in particular envisaging the use of thermosetting resins as binders.
The material is subjected to a field of ultra high frequency radiation, with the water content of said material and the intensity of the radiation field adjusted to suitable levels, and to a current of hot gas.
This method of treatment provides a highly advantageous energy yield and very good homogeneity of the characteristics of the product. It is particularly suitable for insulating shells based on mineral fibre felt.

REFERENCES:
patent: 2871911 (1959-02-01), Goldsworthy et al.
patent: 3738886 (1973-06-01), Southgate
patent: 3864183 (1975-02-01), Hori
patent: 4018642 (1977-04-01), Pike et al.
patent: 4456498 (1984-06-01), Churchland

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