Connection nut seal with means for allowing test of integrity

Details Connection nut seal with means for allowing test of integrity Connection nut seal with means for allowing test of integrity

1983-11-28

1986-07-15

Scanlan, Jr., Richard J.

Pipe joints or couplings

With lock or seal

285 45, 285373, 285419, 285423, 292307B, F16L 5500

Patent

active

046002200

ABSTRACT:
A seal for a gas meter coupling nut comprising a ring-shaped housing formed of two separate but identical halves made of relatively brittle molded plastic and having integrally molded fastening means for snapping together the two halves into locking non-removable engagement. The two halves are shaped and dimensioned to be freely, laterally movable a small but appreciable amount relative to each other when locked so that tapping said housing will produce a rattle-like sound thereby indicating that the seal has not been broken open and the halves glued back together.

REFERENCES:
patent: 4372593 (1983-02-01), Kesselman
patent: 4405161 (1983-09-01), Young et al.
patent: 4422674 (1983-12-01), Steuernagle
patent: 4471982 (1984-09-01), Nielson

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