Nun, can, and danger buoys construction

Details Nun, can, and danger buoys construction Nun, can, and danger buoys construction

1986-01-17

1987-06-02

Peters, Jr., Joseph F.

Buoys, rafts, and aquatic devices

Buoy

B63B 2200

Patent

active

046699899

ABSTRACT:
Nun, can and danger buoys all have the same basic configuration. A central plastic pipe extends concentrically within an outer plastic shell. The outer plastic shell may be of one piece, or have a one piece bottom portion and a separable upper shell member. The outer plastic shell includes a first end portion which surrounds, and closes off, a first end of the pipe, and a counterweight is disposed interiorily of the pipe at its first end. The shell also includes an enlarged midportion which comprises a float and surrounds the pipe at a central portion of the pipe. When the outer plastic shell is of one piece construction, a second end portion extending opposite the first end portion may be shaped either as a tapered cone (and thus configures the buoy as a nun buoy) or may have a generally cylindrical configuration (and thus configured the buoy as a can or danger buoy). A collar surrounding the open second end of the pipe preferably holds the second end portion of the shell in place, and foam fills the interior of the outer shell. Alternatively, the outer shell may have the nun buoy configuration, and separate sleeves having can or danger buoy configurations may be slipped over the second end of the shell as desired. When the shell has a two piece construction, the upper shell member may be shaped, dimensioned and colored so as to configure the buoy as a nun, can or danger buoy.

REFERENCES:
patent: D240025 (1976-05-01), Curd, Jr.
patent: 875875 (1908-01-01), Willson
patent: 2110596 (1938-03-01), Gaede
patent: 2553798 (1951-05-01), Van Deventer
patent: 3397413 (1968-08-01), Houtsma
patent: 3568228 (1971-03-01), Rudelick
patent: 3694837 (1972-10-01), Von Norring
patent: 3916467 (1975-11-01), Curd, Jr.
patent: 3939510 (1976-02-01), Curd, Jr.

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