Line mole trap

Details Line mole trap Line mole trap

1992-10-30

1994-08-23

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

Miscellaneous

134167C, 285320, B08B 902, F16L 3904

Patent

active

053398467

ABSTRACT:
A line mole trap used as a safety device in water blasting operations is attachable to the end of a pipe and has a tubular sleeve partially disposed within a housing assembly. A line mole connected to a fluid supply hose and inserted through the sleeve is prevented from exiting the rear of the trap by a yoke placed around the supply hose. In response to the relative movement of the sleeve and housing caused by the action of a compressed spring and air cylinder, a plurality of jaws, each operatively coupled to a linkage coupling the housing and sleeve, either collapse against or retract away from the surface of the pipe being cleaned.

REFERENCES:
patent: 1916284 (1933-07-01), Ragan
patent: 2327714 (1943-08-01), Iftiger, Sr.
patent: 2770474 (1956-11-01), Krapp
patent: 3339947 (1967-09-01), Maisey
patent: 4202567 (1980-05-01), Paddington
patent: 4643218 (1987-02-01), Reed, Jr.

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