Method of constructing fire resistant enclosures

Details Method of constructing fire resistant enclosures Method of constructing fire resistant enclosures

1985-01-14

1986-03-11

Flint, Jr., J. Howard

Metal working

Method of mechanical manufacture

Assembling or joining

29458, 29460, 109 65, 109 84, 220444, 220468, 52265, 52232, 52809, 312214, 264 34, 264 464, 264259, 264256, 264261, B23P 300, E05G 100, B29C 500, B28B 150

Patent

active

045744548

ABSTRACT:
The body of a cabinet for storing temperature-sensitive articles such as magnetic discs and tapes is built by a process which involves the successive steps of (i) fabricating an internal skin; (ii) attaching so-called "phase-change" material to the skin; (iii) applying insulative polyurethane foam in-situ to the structure of step (ii); (iv) casting concrete or the like water-bearing material around the structure of step (iii); and (v) completing the outer finishing skin. Thus the conventional "double-box" structure is avoided. The door for the cabinet can be built by a similar sequence in which "phase-change" material, insulative form and water-bearing layers are applied successively to a pan forming the internal face of the door.

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