Refractory tile system for protection of floor tubing in chemical recovery units

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Description

FIG. 1 is a top plan view of a primary embodiment of the invention;

FIG. 2 is a front view of the embodiment of FIG. 1;

FIG. 3 is a side view of the embodiment of FIG. 1;

FIG. 4 is a bottom view of the embodiment of FIG. 1;

FIG. 5 is a perspective view of the embodiment of FIG. 1;

FIG. 6 is a perspective view of a second embodiment;

FIG. 7 is a perspective view of a third embodiment; and,

FIG. 8 is a perspective view of a fourth embodiment.

Referenced Cited
U.S. Patent Documents
D299971 February 21, 1989 Gilbert
3501878 March 1970 Segal
4566971 January 28, 1986 Croll
4703597 November 3, 1987 Eggemar
Patent History
Patent number: D392754
Type: Grant
Filed: Dec 30, 1996
Date of Patent: Mar 24, 1998
Assignee: Combustion Engineering, Inc. (Windsor, CT)
Inventors: Francis H. Arenstam (Feeding Hills, MA), Mark P. LeBel (Springfield, MA)
Primary Examiner: Doris Clark
Attorney: Robert S. Smith, Esq.
Application Number: 0/64,383