Road structure – process – or apparatus – Process – Providing expansion joint
Reexamination Certificate
2011-08-30
2011-08-30
Addie, Raymond (Department: 3671)
Road structure, process, or apparatus
Process
Providing expansion joint
C404S060000, C404S061000
Reexamination Certificate
active
08007199
ABSTRACT:
Disclosed are a concrete dowel placement devices and a method of utilizing the same. A metallic stud is driven, screwed, or otherwise attached to a form. The stud may be a unitary structure, or may be a hollow tube with conventional fastening means such as nails and screws extending through and holding the hollow tube to the form. A cover having an interior compartment substantially equal in diameter to the stud is slidably placed thereon, and a first enclosed area is developed with a plurality of forms. Concrete is poured into the first enclosed area, and upon curing, the form and the stud are removed, leaving the cover embedded in the concrete. A metallic dowel is inserted into the cover, and a second enclosed area is developed with like configured forms. The metallic dowel extends into the second enclosed area. Upon pouring concrete into the second enclosed area, a cold joint is formed between the concrete of the first enclosed area and the concrete of the second enclosed area, supported and braced by the metallic dowel.
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Shaw Lee A.
Shaw Ronald D.
Addie Raymond
Shaw & Sons, Inc.
Stetina Brunda Garred & Brucker
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