Patent ID: 6952438
Filing Date: 2005-10-04
Classification: F16B,H05B,Y02P

Abstract:
1. An assembly with a threaded connection, comprising: an outer part made from ceramic and having an internal thread; an inner part made from ceramic and having an external thread; said internal thread and said external thread, each having thread windings with a substantially uniform lead, a root, crests, flanks and at least one of said thread windings having a substantially v-shaped profile; at least one of said internal and external threads being formed with a wedge ramp at said root and, when said inner and outer parts are screwed into one another, said crests of one of said parts abut against said wedge ramps at said root of the other one of said parts for defining a gap between said flanks of said thread windings of said internal and external threads; and said internal and external threads being cylindrical threads or conical threads.