Injection nozzle for repairing a wall element
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United States of America Patent
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Nov 12, 2013
Grant Date -
Dec 24, 2009
app pub date -
Aug 2, 2006
filing date -
Aug 5, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A connection arm (31) of an injection nozzle (22) has an adhesive passage (36). A nozzle outer cylinder (32) is supported by the connection arm (31) and has an intermediate passage (48) in communication with the adhesive passage (36) and a sealing member (44). A nozzle inner cylinder (33) is elongated through the sealing member (44), is slidably supported inside the nozzle outer cylinder (32), and has a communication opening (64) communicating with the intermediate passage (48) as well as an adhesive discharge port (63). An operation member (34) moves the nozzle inner cylinder (33) between an advanced position where the adhesive discharge port (63) lies deep inside a charging hole (8) and a receded position where the adhesive discharge port (63) lies shallow inside the charging hole (8) bored into a framework (2) to a predetermined depth through a finishing material (3).
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Cited Art Landscape
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