Stoves and furnaces – Stoves – Heating
Patent
1988-06-10
1989-07-25
Lazarus, Ira S.
Stoves and furnaces
Stoves
Heating
165142, 432209, 431353, F23D 1412
Patent
active
048503347
ABSTRACT:
An inner tube for a radiant tube for recirculating burnt gases supplied by a burner, consisting of a plurality of axially aligned assembled tube sections arranged end to end whereas the assembling means consist each one of a sleeve coaxially surrounding the ends of said sections to be interconnected and the radially inner surface of which comprises in the middle of its length an annular collar projecting radially inwards and fitting between both tube sections to be connected together, the inner surface portions which are located on either side of the collar widening gradually towards the sleeve ends.
REFERENCES:
patent: 2105533 (1938-01-01), Hess
patent: 2478732 (1949-08-01), Wilson et al.
patent: 4269266 (1981-05-01), Coates, Jr. et al.
Cassagne Jean-Pierre
Scrive Laurent
Gas De France
Hayes Christoper
Lazarus Ira S.
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