Supports – Pipe or cable – Suspended
Reexamination Certificate
1998-11-23
2001-03-20
Ramirez, Ramon O. (Department: 3632)
Supports
Pipe or cable
Suspended
C248S059000, C024S0160PB
Reexamination Certificate
active
06202962
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a lengthy flexible strap for supporting heating and cooling ducts in a building structure.
2. Description of Related Art
In the past it has been conventional practice to mount heating and cooling ducts between floor and ceiling joists in fixed permanent relation. The ducts are commonly restrained by wires or metal straps which are connected to juxtaposed wooden joists or studs of a building structure. Nails or screws are driven into the joists in facing relationship at spaced-apart locations and the wires or metal straps are connected thereto after being wrapped around the ducts to permanently support the same. Frequently, the supporting wires or straps must be released and readjusted in their supporting relationships to realign the ducts, especially when lengthy runs of the ducts may be misaligned. Such relocation of the wires or metal straps is not easily achieved where the wires or straps must be removed from the supporting nails or screws. This may occur in more than one supporting location and often in multiple supporting spaced-apart locations, which is very time consuming and troublesome to properly complete a given construction job.
BRIEF SUMMARY OF THE INVENTION
An object of the present invention is to provide a unique flexible plastic strap having multiple spaced-apart apertures throughout its length to facititate expeditious mounting of heating and cooling ducts and to permit their ready readjustment as desired or required for a multitude of reasons. The novel strap of the present invention has both large and small inter-connected apertures formed closely-adjacent to each other in multiples to readily permit the passage of nail and screw heads through the large apertures and prevent the passage of nail and screw heads through the small apertures. Thus, the strap permits the readjustment of the duct locations using the previouslymounted nails and screws. The strap may be easily pulled away from the fixed nails and screws and realigned as necessary for the finished mounting of the ducts.
Another object of this invention is to provide a lengthy flexible plastic strap having repeditive multiples of sized apertures which strap may be used most expeditiously in a building construction project where heating and cooling ducts must be mounted in varied locations. The ducts may be finally located in their original positions as installed, or may be relocated to modified positions different from their original locations to facilitate the installation of other utilities, for example.
Another object of this invention is to provide a flexible plastic strap which has a series of identical plural apertures in uniform closely-spaced arrangement which facilitate the mounting of the strap to retain heating and cooling ducts in a building structure and which strap is capable of relocating or readjusting the duct location from its original position in an expeditious manner.
REFERENCES:
patent: 806192 (1905-12-01), Russell
patent: 1086442 (1914-02-01), Cornelius
patent: 1261036 (1918-04-01), Kerns
patent: 1515216 (1924-11-01), Kissinger
patent: 2707607 (1955-05-01), O'Connor
patent: 3224054 (1965-12-01), Lige
patent: 3979094 (1976-09-01), DeWitt
patent: 6073315 (2000-06-01), Rasmussen
Ramirez Ramon O.
Sand & Sebolt
Szumny Jon
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