F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 23/00 (2006.01) E21B 17/042 (2006.01) F16B 33/02 (2006.01)
Patent
CA 2042879
SCREW THREAD STRUCTURE ABSTRACT OF THE DISCLOSURE A screw thread structure includes a root portion, the shape of which is defined by portions of two axially overlapping ellipses interconnected by a flat.
Ham Joel
Kane Robert F.
Mildren David
Yousef Faisal J.
Gowling Lafleur Henderson Llp
Sandvik Ab
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