Plug for a furnace header

Details Plug for a furnace header Plug for a furnace header

1992-07-29

1994-06-07

Simone, Timothy F.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 96R, F16L 5510

Patent

active

053180747

ABSTRACT:
A plug for a furnace header having a pair of pipe continuations formed within the furnace header. Each pipe continuation terminates at an opening having a conical interior surface and is connected to the other by a pipe extending between them. The plug has a conical portion for engaging the conical interior surface on the furnace header to seal off the pipe. The plug also includes a portion having a generally concave arcuate surface forming a 90.degree. bend in a plane that bisects both of the pipe continuations and whose edges conform to the internal dimensions of the furnace header adjacent the opening. A locking mechanism secures the plug within the furnace header.

REFERENCES:
patent: 2362675 (1944-11-01), Sterbins
patent: 2818086 (1957-12-01), Foth
patent: 3083735 (1963-04-01), Clark
patent: 3156373 (1964-11-01), Willis
patent: 4958743 (1990-09-01), Hatton et al.

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