Static structures (e.g. – buildings) – Processes – Filling preformed cavity
Reexamination Certificate
1999-05-24
2001-08-14
Horton, Yvonne M. (Department: 3635)
Static structures (e.g., buildings)
Processes
Filling preformed cavity
C052S169120, C052S293300, C052S294000, C052S741130, C052SDIG003, C249S034000
Reexamination Certificate
active
06272810
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to the foundation and stem wall arrangement involved in the placement and setup of mobile homes and the like, and more particularly to a novel, simplified foundation and stem wall method and system which avoids a substantial portion of the labor-intensive construction aspects and time involved in the heretofore conventional site preparation preliminary to placement and setup of a mobile home.
As is well known in the art, mobile homes are factory-manufactured homes typically comprising two or more individual units which are each built on a trailable frame that allows for their ground transport from the factory to a desired homesite location where the individual units are set in place and connected together into their completed, finished, home. Since each unit of these homes is built on its own supporting frame, the mobile home does not require the same type of load-bearing foundation wall and footing construction that is required in conventional site-built homes which most people are readily familiar with. Nonetheless, it has been conventional in the art to provide peripheral stem walls for mobile homes using substantially the same construction method and techniques used for site-built homes simply for the lack of any other better or more cost and labor-effective alternative to the standard practice.
In the normal site preparation practice, a desired building site would be plotted and excavated as required for the construction of perimeter concrete footing forms to be constructed and foundation wall footings poured. Conventional concrete wall forms are then erected on the footings and the concrete walls poured; the concrete forms later being removed and the outer periphery being backfilled to specified grade. A concrete foundation slab is then poured within the excavated inner confines of the concrete perimeter wall, the slab being arranged for receiving and providing a supporting foundation base pad for the setup of the mobile home units as is standard practice. With the mobile home setup completed, the aforementioned concrete foundation and pad form an enclosing crawl space beneath the mobile home, while the outside periphery of the mobile home, once backfilled and finished to proper grade level, resembles, for all intent and purposes, the appearance of a site-built home.
From the foregoing however, it is readily apparent that the preparation and construction of the foundation pad and concrete skirting encompasses an unduly substantial amount of concrete work not unlike that of a conventional site-built house even though the concrete wall and footing structure is not a load-bearing supporting element for a mobile home structure. Accordingly, a need exists in the marketplace for a more time and cost-efficient method and system for providing the concrete foundation and skirting for mobile homes which are to be set at great level to simulate the appearance of a typical site-built home construction.
SUMMARY OF THE INVENTION
In its basic concept this invention provides a novel and greatly simplified method and system for the site preparation and setup of the foundation pad and associated stem walls for mobile homes, the method and system including the provision of pre-manufactured stem wall sections arranged for delivery and rapid placement and assembly prior to a single concrete pour of the underlying concrete foundation pad.
It is by virtue of the foregoing basic concept that the principal objective of this invention is achieved; namely, the provision of a method and system which greatly simplifies the site preparation and on-site concrete work and labor and significantly reduces the time and personnel required in the preparation of a site preliminary to delivery and setup of a mobile home.
Another object of this invention is the provision of a method and system of the class described which accommodates any desired number and arrangement of mobile home units in a home construction.
Another object of this invention is the provision of a method and system of the class described which eliminates substantially all of the on-site concrete form construction labor, time and materials required in the prior art method of foundation and stem wall construction.
A further object of this invention is the provision of a method and system of the class described which provides for the pre-manufacturing and stocking of pre-cast stem wall sections which allow for rapid and simple truck delivery to building sites for setup, as well as providing for simplified yet enhanced control over the stem wall construction aspects in meeting the various requirements and specifications called for by the home manufacturer in each given installation situation.
A still further object of this invention is the provision of a method and system of the class described which reduces the overall time, labor and cost involved in the foundation and stem wall construction for mobile homes for the benefit of the industry and the individual homeowner.
The foregoing and other objects and advantages of the method and system of this invention will appear from the following detailed description, taken in connection with the accompanying drawings of a preferred embodiment.
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Ingram Jack L.
Williamson Gene B.
Horton Yvonne M.
Olson and Olson
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