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DIFF Subgroup
F16B 39/01

specially adapted to prevent loosening at extreme temperatures

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Locking of screws, bolts, or nuts > specially adapted to prevent loosening at extreme temperatures

CPC:

Locking of screws, bolts or nuts (; locking of bottle closures B65D; locking of rail-fastening bolts for permanent ways E01B9/12; locking of fastening means for railway fishplates E01B11/38; locking devices for valves or cocks F16K) > specially adapted to prevent loosening at extreme temperatures

No child classifications to compare. This is a leaf node in both IPC and CPC.