Door frame

Static structures (e.g. – buildings) – Framing to receive door – doorjamb – or window sash – Architrave; i.e. – finish strip on floor – ceiling – or wall...

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Details

52213, 522041, 526564, 49504, 49399, E06B 104

Patent

active

056512236

ABSTRACT:
A door frame made of synthetic material having an elongated, horizontally-oriented head and an elongated, horizontally-oriented sill, spaced apart from the head portion. The head and sill are preferably single, continuous members. The door frame also has at least two spaced apart, vertically-oriented jambs, each connected at one end to the head and at an opposite end to the sill. The jambs have a cavity disposed vertically therethrough. A rigid supporting member is then provided within selected jamb cavities. The rigid supporting members are preferably made of metal, such as aluminum, aluminum alloys and ferrous and non-ferrous materials. The jambs may further have more than one cavity disposed vertically therethrough, so that more than one supporting member is provided in a jamb.

REFERENCES:
patent: 1054575 (1913-02-01), Levene
patent: 3591985 (1971-07-01), Coppins
patent: 3812621 (1974-05-01), Ragland
patent: 4015382 (1977-04-01), Noyes
patent: 4573287 (1986-03-01), Hagemeyer et al.
patent: 4974366 (1990-12-01), Tizzoni
patent: 5293723 (1994-03-01), Slessor
patent: 5456054 (1995-10-01), Coupet
General Electric Geloy Data Sheet.
General Electric Product Data Sheet.
General Electric Product Data Sheet Cycolac, pp. 4-5 and 10 and Geloy, pp. 20-21.
"ABS -- An Alternative Raw Material for Window Profiles" by Walter Ganzberger, 1994.
"How ABS Windows May Challenge PVC" by Joseph Ogando, Plastics Technology, Jun., 1994.
"Engineered Thermoplastics Offer Unique SOlutions for Window and Door Industry" by Bob Nelson, Fenestration, Sep./Oct. 1995.
"Weatherable Technologies Expand Windows' Reach" by Robert D. Leaversuch, Modern Plastics, Mar., 1995.

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