Implements or apparatus for applying pushing or pulling force – Portable implements or apparatus for tensioning flexible... – Including rotatably driven drum for engaging either material...
Reexamination Certificate
2006-12-28
2008-10-21
Marcelo, Emmanuel M (Department: 3654)
Implements or apparatus for applying pushing or pulling force
Portable implements or apparatus for tensioning flexible...
Including rotatably driven drum for engaging either material...
C254S278000, C242S407000, C242S614100
Reexamination Certificate
active
07438280
ABSTRACT:
A wireline cable winch drum is provided that includes a core having a longitudinal axis; a pair of flanges spaced apart and extending radially outwardly from the core; and a wireline cable wrapped around the core in the space between the flanges. In one embodiment, at least one of the flanges includes an inner surface that contacts the wireline cable and forms an angle with respect to the longitudinal axis of the core.
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Benner James
Doud Brian
Ford Emma
Jimenez, III Jose R.
Kamps Jeff
Castano Jaime
Cate David
Flynn Michael
Marcelo Emmanuel M
Schlumberger Technology Corporation
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