Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1990-03-28
1992-06-09
Ball, Michael W.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264263, 264275, 156 99, B29C 3910
Patent
active
051204851
ABSTRACT:
A prefinished window unit is provided of the type having a sash member with central glazing area, wherein one side of the sash member is designated as the exterior face and the opposite side is designated as the interior face, the central glazing area is bounded by an inner perimetric face, and the sash member is bounded by an outer perimetric face. Each rail of the sash member is formed as a completely prefinished, molded component, requiring no further processing except assembly. The sash members each are integral components having a cellulosic core; an outer coating of synthetic plastic material substantially covering the core from external exposure; and a metal cladding substantially entirely covering the exterior face of the sash member to protect the synthetic coating from ultraviolet degradation. The sash members include slots that receive the glazing strip and weather strip, the slots being defined at least partially by a channel-shaped contour of the metal cladding. In addition, a method of forming molded, prefinished, integral components is disclosed.
REFERENCES:
patent: 1876166 (1932-09-01), Randall
patent: 3087207 (1963-04-01), Styra
patent: 3731443 (1973-05-01), Zaroor
patent: 3787549 (1974-01-01), Stanley et al.
patent: 4264389 (1981-04-01), Staub et al.
Ball Michael W.
Lorin Francis J.
Rost Kyle W.
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