Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1986-06-25
1988-02-16
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Assembling or joining
295273, 29DIG5, B23P 1900
Patent
active
047245972
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 in 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 member 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: 3815285 (1974-06-01), Kuyper
patent: 4130976 (1978-12-01), Kesseler et al.
patent: 4341831 (1982-07-01), Kleiss
Eley Timothy V.
Rost Kyle W.
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