Porthole construction

Details Porthole construction Porthole construction

1986-01-02

1987-06-02

Peters, Jr., Joseph F.

Ships

Ports

52204, 2441293, B63B 1900

Patent

active

046694102

ABSTRACT:
A porthole construction for placement in an opening of a hull of a ship comprising a first plastic member made of transparent material and a second member made of plastic material. The first member includes an axial wall frictionally engaging the porthole opening, a transverse wall defining the window, and a radial wall extending radially outwardly from the axial wall and engaging the outside of the hull. Fasteners extend through the radial wall to hold the first member in position on the hull. The second member includes an axial wall frictionally engaging the inner surface of the axial wall of the first member, a radial wall overlying the radial wall of the first member and a second axial wall extending from the radial wall and engaging the hull about the radial wall of the first member. Interengaging members are provided between the radial walls of the first and second member to further hold the second member on the first member. In a modified form, a third member identical to the second member is provided on the opposite side of the hull frictionally engaging the inner surface of the axial wall of the first member.

REFERENCES:
patent: 3191240 (1965-06-01), Slaman et al.
patent: 4021967 (1977-05-01), Mulder et al.

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