B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
126/110
B29C 44/18 (2006.01) B29C 33/12 (2006.01) F16L 59/02 (2006.01) F24H 1/18 (2006.01)
Patent
CA 1289832
ABSTRACT OF THE DISCLOSURE The invention relates to a method of insulating a water heater having an inner water tank and an outer jacket and having control mechanisms mounted on said tank which are intended not to be covered by said insula- tion, which method comprises: providing a foaming apron having inner and outer flexible sheets, said sheets being connected to one another at the bottom and being opened at the top and along longitudinally extending end edges, attaching said apron to an upper portion of said tank and positioning said apron along the wall of said tank and around said control mechanisms mounted on said tank; said apron having sealed cut-out portions protecting said control mechanisms from fluid foam to be introduced between said sheets; further attaching said apron to said tank by fixing the edges of said inner sheet to the wall of said tank; positioning said jacket around said tank; separating the inner and outer sheets to facilitate the introduction of foam between said sheets; substantially centering said tank with respect to said jacket, thereby forming a substantially uniform space therebetween; introducing foam between said sheets whereby said foam exits said apron through said end edges to fill a lower portion of said space; allowing said foam partially to solidify; introducing further foam between said sheets in an amount to fill the remainder of said space; and positioning a cover over said jacket.
539790
Marcinkewicz Robert J.
West Eugene L.
Bradford-White Corporation
Goudreau Gage Dubuc
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