Mechanically operated breech block

Details Mechanically operated breech block Mechanically operated breech block

1974-03-11

1976-04-06

Arola, Dave W.

Pipe joints or couplings

Frangible element

Score line or groove

285 39, 285 91, 285 93, 285391, F16L 3500

Patent

active

039485455

ABSTRACT:
A vertical string of pipe such as is used in an offshore piling comprising a plurality of pipe joints connected together by connector means, each connector means comprising a breech block type connection with a latch to hold the connector means in engagement, one of the connector means latches being remotely disengageable by means of a releasing tool lowered down through the string of pipe, the one latch including a bar extending radially through the wall of the connector means to engage the latch, the bar being movable radially outwardly upon being engaged by the releasing tool so as to either break off a portion of the latch or move the latch out of engagement.

REFERENCES:
patent: 2145512 (1939-01-01), Hudson et al.
patent: 2244124 (1941-06-01), Shemeley
patent: 3240511 (1966-03-01), Bishop et al.
patent: 3421580 (1969-01-01), Fowler et al.
patent: 3442536 (1969-05-01), Fowler et al.
patent: 3700267 (1972-10-01), Piegza
patent: 3800869 (1974-04-01), Herd et al.

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