APPARATUS FOR REPAIRING SIFTING OR FILTERING SCREENS
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United States of America Patent
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N/A
Issued Date -
Jan 1, 2015
app pub date -
Feb 8, 2013
filing date -
Feb 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus, suitable for use as a plug for a screen frame e.g. as used in the oil and gas drilling industry, comprising a screen frame blocking surface having a first expanded screen frame blocking form, said first form being operatively compressible to form a second compressed form, said second compressed form being operatively returnable to said first expanded form.
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