Resin injector system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
Dec 24, 1994
filing date -
Dec 24, 1994
priority date (Note) -
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Abstract
The present invention relates to a system and a method which employs gas to position a resin sausage into a bolt hole drilled by a rock bolter. The system provides a controlled quantity of liquid into a resin sausage insertion chamber prior to supplying the gas to eject the sausage from the resin sausage insertion chamber. The liquid enhances the reliability and accuracy of the placement of the sausages in the bolt hole. Preferably, the system includes an expansion chamber through which the gas passes. The expansion chamber is provided so that the gas can be partially displaced by liquid and thereafter, liquid will be advanced into the resin sausage insertion chamber prior to the gas. The system can either have its own fluid supply or alternatively use a fluid supply of the rock bolter if one is provided for flushing the bolt holes. In either case, it is preferred that the expansion chamber is adjustable so as to allow the volume of liquid and gas to be adjusted for the operating conditions of the rock bolter.
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