Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Decorative grill attached to sash
Patent
1987-03-27
1989-10-24
Scherbel, David A.
Static structures (e.g., buildings)
Window or window sash, sill, mullion, or glazing
Decorative grill attached to sash
52207, E06B 104
Patent
active
048753165
ABSTRACT:
An improved metal and wood window frame assembly is disclosed in which the combination wood and metal window frame assembly has relatively thick wood frame members facing the interior of the building which are mechanically joined to the metal primary window frame by tight, deep-keyed interconnections. The primay metal frame comprises two separate metal frame members which are rigidly connected by a thermal break insulator. The wooden glazing bead members, due to their deep-keyed interconnection to the metal frame, provide rigid glass stops for the glass pane assembly. The thick wood frame members provide significantly improved sound transmission, thermal quality and rigidity properties to the combination window frame assembly made according to the present invention.
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Scherbel David A.
Smith Creighton
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