Insulation cladding for bends

Details Insulation cladding for bends Insulation cladding for bends

2008-04-22

2008-04-22

Hewitt, James M. (Department: 3679)

Pipe joints or couplings

Elbow

C285S183000, C285S047000, C138S149000

Reexamination Certificate

active

10920587

ABSTRACT:
A half elbow used with a second similar half elbow clads insulation or other structures about a bend. Each half elbow is formed of separate segments of thin sheet material fastened together. Each segment includes first and second edges adapted to be fastened to corresponding second and first edges of adjacent segments. The segments are fastened together and shaped so that they form a curving contour between outside edges and inside edges of the segments. The outside edges of the segments together form an outside seam and the inside edges of the segments together form an inside seam. Two outside seams of two half elbows can be joined together along with two inside seams of the two half elbows to entirely surround and cover a bend.

REFERENCES:
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patent: 555494 (1896-03-01), Briggs
patent: 970956 (1910-09-01), Ruddell
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patent: 3157204 (1964-11-01), Phillips
patent: 4327778 (1982-05-01), Williams
patent: 4694547 (1987-09-01), Broussard
patent: 6752176 (2004-06-01), Price et al.
patent: 6921564 (2005-07-01), Keenan

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