Permanent stopping form and method of installing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 9, 2004
app pub date -
Jan 6, 2004
filing date -
Jul 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
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Abstract
A form installed in a mine for making a permanent mine stopping or seal of pourable and hardenable material includes first and second form walls in spaced, generally parallel relation to one another. Each of the first and second form walls includes a portable wall section including a plurality of elongate upright panels secured together in general parallel, side-by-side relation. Each panel includes a lower panel member having a lower end and an upper panel member extending from the lower panel member and having an upper end in substantial engagement with a roof of the mine passage.
First Claim
Other Claims data not available