Static structures (e.g. – buildings) – Framing to receive door – doorjamb – or window sash – Retaining feature between frame and reveal
Reexamination Certificate
2000-03-01
2001-06-12
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Framing to receive door, doorjamb, or window sash
Retaining feature between frame and reveal
C052S062000, C052S211000, C052S213000, C052S302600, C052S717010, C049S504000
Reexamination Certificate
active
06244001
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to the devices used in the construction industry to prevent water from penetrating into the interior of a structure from the outside environment. More particularly, the present invention relates to devices used in the construction industry to prevent water from penetrating or air from flowing into the interior of a structure at the jambs of a framed opening in an exterior wall system.
BACKGROUND OF THE INVENTION
The construction of a commercial building and/or residential home involves the installation of numerous doors and windows. In recent years, doors and windows are commonly designed as a single unit to facilitate the installation of such units. Conventionally, an exterior wall is constructed with an opening sized to receive the door and/or window unit and caulking is applied around the interface of the wall and/or jamb and the door and/or window unit to prevent moisture and/or water from entering into the interior of the building. Over a period of extended time the seal between the door and/or window unit and the exterior wall created by the caulking deteriorates due to exposure to environmental conditions thereby allowing water and/or moisture to enter into the interior space of the building.
The principal objective of the present invention is to provide a water proof barrier between a window and/or door unit and an exterior wall which will not deteriorate when exposed to adverse weather conditions. Another objective of the present invention is to provide a system which allows a window and/or door unit to be easily installed within an exterior wall while providing a water proof barrier which will not deteriorate when exposed to adverse weather conditions. Another objective of the present invention is to provide an air dam at the jams of the window and/or door jams in order to prevent the flow of air which may or may not carry moisture from the outside environment of the exterior wall system into the interior space of a building.
SUMMARY OF THE INVENTION
The present invention comprises a system for providing a water proof seal and an air dam at the interface of an exterior building accessory unit such as window unit, door unit or storefront mounted within an opening formed in an exterior wall structure of a building. The opening is defined by first and second side jambs, a sill and a head. The exterior wall structure may have an interior wall and an exterior wall. In one embodiment, the system comprises first and second unitary flashing members connected to the first and second side jambs, respectively. Each of the first and second unitary flashing members comprising a first panel having a width x, a second panel having a width y, and a third panel having a width z. The second panel is substantially perpendicular to the first panel, and the third panel is off-set from the first panel and the second panel. The width z of the third panel is greater than the width x of the first panel and the width y of the second panel. In use the first panels of the first and second unitary flashing members are engaged with the exterior walls at the first and second side jambs, respectively. The second panels of the first and second unitary flashing members are connected to the interior wall at the first and second side jambs, respectively. The third panel of each of the first and second unitary flashing members extends outwardly of the first and second jambs, respectively. In operation, installation of the window unit between the third panels of the first and second unitary flashing members forms a water proof barrier between the window unit and the first and second side jambs.
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Friedman Carl D.
Horton Yvonne M.
Wolf Greenfield & Sacks P.C.
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