Agitating – Mortar mixer type
Reexamination Certificate
2000-01-28
2001-07-03
Soohoo, Tony G. (Department: 1723)
Agitating
Mortar mixer type
C366S129000, C383S004000
Reexamination Certificate
active
06254265
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to devices adapted for manually mixing materials and/or liquids into a composite material, including, for example, concrete or other construction materials. More specifically, the present invention relates to a sturdy lightweight tarp having reinforced edges and handles for mixing discrete materials into composite materials.
2. Description of Related Art
Tarpaulins have long been used for a variety of purposes: as covers to protect objects from the elements outdoors; as wind breaks and shelters; as ground covers and drop cloths; as hauling sleds; even as a hot weather water toys for children to slide on. It has been long known to reinforce a tarp at its edges by folding the edge and sewing it. Additionally, it is also known to provides grommets at various locations along the edges of a tarp and at its comers for connection to rope or other kinds of fine, or for securing to hooks or ground stakes. However, it is not known to provide and use a reinforced tarpaulin with corner handles for mixing materials.
SUMMARY OF THE INVENTION
The method and apparatus for mixing materials of this invention comprises a unitary sheet of fibre-reinforced plastic tarpaulin having reinforced stitching along the sides of the fabric and handles for grasping the tarp attached at the corners of the tarp. Its primary intended use is for the preparation of small quantities of concrete in the residential setting. However, it may be used for preparing and mixing of a variety of other materials, including mortar, soils, compost, and the like.
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Johnson Larry D.
Johnson & Stainbrook LLP
Soohoo Tony G.
Stainbrook Craig M.
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