Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal
Reexamination Certificate
2006-03-17
2008-10-07
Kastler, Scott (Department: 1793)
Metal treatment
Process of modifying or maintaining internal physical...
Chemical-heat removing or burning of metal
C266S049000
Reexamination Certificate
active
07431776
ABSTRACT:
A slag-removal system for a cutting table includes a pair of drive members arranged in spaced endless loops extending parallel to a longitudinal direction, with a slag plow connected between the drive members, each loop having a lower run and an upper run spaced above the lower run. The slag plow is carried along the lower runs as the drive members are rotated, such that the plow scrapes slag from the support surface beneath the table. As the drive members continue to rotate in the same direction, the plow is carried along the upper runs of the drive members back to its starting location for another slag-removal cycle.
REFERENCES:
patent: 3666249 (1972-05-01), MacLeod, Jr.
patent: 3999744 (1976-12-01), Kotch
patent: 6039915 (2000-03-01), Minter et al.
patent: 6165410 (2000-12-01), Crees et al.
patent: 7011789 (2006-03-01), Bowlin et al.
patent: 2007/0215250 (2007-09-01), Creel et al.
Brown, II Rufus Randolph
Creel, Jr. James O'Neal
Alston & Bird LLP
Kastler Scott
The Esab Group, Inc.
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