Closure for a chain entry aperture

Details Closure for a chain entry aperture Closure for a chain entry aperture

1983-06-30

1986-02-04

Barefoot, Galen L.

Ships

Hawse pipes

Stoppers and covers

24116R, B63B 2118

Patent

active

045678405

ABSTRACT:
A closure for a chain entry aperture in which two or more seal blocks of a suitable elastomeric material are slidable between a position in which the aperture is open, and a position in which the seal blocks cooperate to close the aperture and seal around a chain extending through the aperture. Contact surfaces of the seal blocks are shaped to accommodate the chain passing through the aperture when the seal blocks are in the closed position.

REFERENCES:
patent: 2555696 (1951-06-01), Krogstad et al.
patent: 2652018 (1953-09-01), Griffith
patent: 2994291 (1961-08-01), Angell
patent: 3386203 (1968-06-01), Butler et al.
patent: 3386206 (1968-06-01), Loveless
patent: 3530925 (1970-09-01), Miller
patent: 3718231 (1973-02-01), O'Connor

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