in which the connection between abutting or axially overlapping ends is maintained by locking members (F16L37/22 - F16L37/26 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: in which the connection between abutting or axially-overlapping ends is maintained by locking members

CPC: in which the connection between abutting or axially overlapping ends is maintained by locking members (F16L37/22 - F16L37/26 take precedence)

Full Title

Full titles differ between systems:

IPC:

Couplings of the quick-acting type > in which the connection between abutting or axially-overlapping ends is maintained by locking members

CPC:

Couplings of the quick-acting type ( radially-binding sleeves F16L17/04, F16L21/06; connecting hoses to rigid members F16L33/00) > in which the connection between abutting or axially overlapping ends is maintained by locking members (F16L37/22 - F16L37/26 take precedence)

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F16L 37/082 CPC only CPC only
F16L 37/084 combined with automatic locking since 1990 +5 CPC IPC+CPC Available in IPC and CPC
F16L 37/10 using a rotary external sleeve or ring on one part +3 CPC IPC+CPC Available in IPC and CPC
F16L 37/12 using hooks, pawls, or other movable or insertable locking members (F16L37/084 takes precedence) +7 CPC IPC+CPC Available in IPC and CPC