Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern
Reexamination Certificate
2001-05-07
2004-01-13
Kuhns, Allan R. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
Utilizing surface to be reproduced as an impression pattern
C264S219000
Reexamination Certificate
active
06676873
ABSTRACT:
BRIEF DESCRIPTION
A system for providing a flexible, one piece road or roads or any paved surface in any pattern, length or size that exhibits a real-life appearance for use in model railroad layouts or any small scale model.
BACKGROUND OF THE INVENTION
For many years, hobby enthusiasts have enjoyed the operation of model railroad trains and have labored to create life-like settings in which to operate these model trains. Such enthusiasts have been known to go to great lengths to simulate the realism of an actual railroad, including scale models of buildings, cars and people, which are intricately prepared, painted and positioned to create the life-like setting.
One difficulty often encountered in creating such a life-like scene, however, is the necessity to build roads and other paved surfaces in place in the actual scale model scene. Hobbyists and model makers have created life-like roads and other paved surfaces before but only two methods are generally commercially available. One scale model road design requires painstaking effort in creating the road or road system. This involves the application of plaster to the model scene. It may also involve the tinting, staining or coloring of the plaster road. The second method usually results in a less than life-like appearance owing to it's general physical appearance. This second method involves the use of pre-cut imprinted semi-rigid sections of road or pre-colored, re-cut strips of road of foam rubber that represent a road.
Those who create a scale model scene do not always have the time to create realistic roads and sometimes rely on preformed versions of roads that are commercially available that are sometimes set and rigid in their shape (Faller, Pola) or are made of flexible foam rubber and the like (available from Faller or Walther's) that may be laid down in strips in place on the scale model scene whether the scene is completed or not.
With the aforementioned use of pre-cut roads, a contiguous road design with no gaps or seams between sections is not possible unless much effort is employed to blend these gaps and seams and the modeler/hobbyist is extremely restricted and confined in his or her road design by the pre-cut shapes that are commercially available to him or her.
The previously mentioned first method used by hobbyists for constructing roads is with the use of plaster or modified plaster (Woodland Scenics). Plaster may be formed, shaped, sculpted and smoothed in place on the scale model scene whether the scene is completed or not.
However, plaster is relatively permanent and inflexible. Cracking from seasonal expansion and contraction of the layout base and other scale model materials may occur. The hobbyist cannot move the road once it is in place. It is also rather difficult and messy to apply plaster in a uniform manner especially in an already completed scene where many scale buildings, people, trees and other miniatures may be damaged, sometimes permanently, by the mess created by working in those kinds of tight quarters.
In the preferred embodiment, the road material (dried paste) will flex to adjust and conform to any movement within the scale model scene or layout causes by seasonal expansion and contraction or other causes.
Aching back muscles is another problem associated with the employment of plaster for roads in a scale model. The necessity to lean over the layout or model scene for long periods of time can cause some pain to the modeler.
In the present invention, the need to lean over a layout or scale model scene is minimized by allowing the modeler to work comfortably over a work bench or other flat, level surface and then physically transfer the completed road system to the layout or model scene.
The modeler must also stain, tint, paint or otherwise color the plaster road to achieve a life-like appearance, requiring many applications of colorant and many hours of labor.
Plaster roads invariably need sanding that creates dust that may damage, sometimes permanently, the scene surrounding the newly installed road. The present invention requires no sanding or any other cosmetic work done to it to exhibit a realistic look.
The material described in this invention will remain flexible after it is dry. This allows the modeler to install the completed road in any scene. Said road will conform in shape to any and all elevation and/or grade changes.
Because of the invention's ability to be cut to any shape or size, the modeler now has the ability to easily customize the shape and scope of the road system exactly to his or her preference or needs.
For the purpose of description of this invention, a road system is hereby defined as any road having one or more, but not limited to, adjoining roadways, diverging routes, drive ways, parking lots, side walks and any paved surface encountered by said one piece road.
A traffic line painting kit accompanies this flexible, one piece road system, but will not be discussed in this application as it employs a common painting technique to create lines with very well defined edges.
SUMMARY OF INVENTION
The present invention relates to a system for providing a one piece road or road system in any pattern, length or size that will exhibit a cosmetic capacity to take on the life-like appearance of a real life road for use in model railroad layouts or any small scale model and to build and construct said one piece road on a work bench or any other suitable flat, level surface.
The invention is further directed to a method for producing the road material in it's wet paste form.
The present invention creates a revolutionary new way of constructing roads for scale models.
REFERENCES:
patent: 2866418 (1958-12-01), Petrick, Sr.
patent: 3729133 (1973-04-01), Covert
patent: 3844052 (1974-10-01), Fraanje et al.
patent: 5299735 (1994-04-01), Thomas
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