Combination laser target and plug for sewer pipes
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Jun 8, 2016
filing date -
Jun 8, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A laser target assembly, which doubles as a pipe plug, has an outer sheath with a first end that fits within the end of a cut section of pipe, and a second, larger-diameter end that fits into the bell of an uncut section. A circular interior panel, made of tough plastic, is positioned in about the middle of the sheath perpendicular to its central axis. A lower half of the panel, which functions as the target, is opaque; the balance is transparent. A target scale, having evenly-spaced linear markings, is provided on the opaque portion of the panel. A bubble level, positioned within the larger-diameter end adjacent the panel, enables a pipe layer to position the target scale in a vertical orientation. Interior handles are used to adjust axial alignment of target assembly and remove the target assembly when it is installed within a bell.
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