Method for mounting ring-shaped construction on ship stern

Details Method for mounting ring-shaped construction on ship stern Method for mounting ring-shaped construction on ship stern

1980-03-10

1982-05-04

Combs, Ervin M.

Metal working

Method of mechanical manufacture

With testing or indicating

29464, 29468, B23Q 300

Patent

active

043274692

ABSTRACT:
A method for mounting a ring-shaped construction on a ship stern in front of a propeller which comprises fixing a plurality of pieces at a predetermined distance along a periphery of a ring-shaped construction, marking the points respectively on a plurality of said pieces which are located in a same distance from the center of said ring-shaped construction, and mounting said ring-shaped construction to said ship stern. In this process, centering so that the circular locus of the beam emitted from a projector being rotated around the rotating axis of a propeller passes over said marked points of a plurality of pieces fixed to said ring-shaped construction, the settling position of said ring-shaped construction is adjusted.

REFERENCES:
patent: 2705375 (1955-04-01), Foreman et al.
patent: 3066893 (1962-12-01), Mercier
patent: 3179081 (1965-04-01), Backhaus et al.
patent: 3455268 (1969-07-01), Gordon
patent: 3605672 (1971-09-01), Strumbos
patent: 3635186 (1972-01-01), German
patent: 4205424 (1980-06-01), Nagao et al.

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