Pusher ram
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United States of America Patent
Stats
-
Dec 4, 1984
Grant Date -
N/A
app pub date -
Aug 26, 1982
filing date -
Aug 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention comprises a plurality of improvements in pusher ram construction for use in coke ovens and the like. These improvements include: (1) two separate 'heat spring' arrangements for absorbing both heat and mechanically induced stress in the web portion of a pusher ram, while maintaining desired rigidity; (2) five different constructions for relieving stress developed in welds in pusher ram beam members and/or welded connections between the web portion of a pusher ram and adjacent beam members; (3) two unique girder assembly arrangements to facilitate component replacement; (4) an improved girder web construction for accommodating decarbonizer piping or the like; (5) several useful advancements in ram head design and construction; (6) special heat shield applications for pusher rams; and (7) improvements in ram girder 'bull nose' construction.
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