Latching assembly for riser pipe spacers

Details Latching assembly for riser pipe spacers Latching assembly for riser pipe spacers

1979-08-30

1981-11-03

Arola, Dave W.

Pipe joints or couplings

Frangible element

285 24, 285 85, 285317, 285423, F16L 3500

Patent

active

042982189

ABSTRACT:
Means are provided for latching a Vertically Moored Platform riser spacer to the riser pipes which connect a floating platform to a subsea anchor. This includes a spring loaded latch pin recessed in a hole in the riser donut housing which surrounds the riser and which is released by pulling a spring loaded latch release pin to let the latch pin move outwardly to a latched position where it is held in this position by a spring loaded shear pin. To disengage the latch pin, a hydraulic ram or other means can be used to shear the retaining pins and remove the latch pin.

REFERENCES:
patent: 3073142 (1963-01-01), Beers
patent: 3171674 (1965-03-01), Bickel et al.
patent: 3645563 (1972-02-01), Rochelle
patent: 3648638 (1972-03-01), Blenkarn
patent: 3978804 (1976-09-01), Beynet et al.
patent: 4198179 (1980-04-01), Pease

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