IN-HOLE CIRCULATION-TYPE PACKER DEVICE

IN-HOLE CIRCULATION-TYPE PACKER DEVICE

PROBLEM TO BE SOLVED: To provide an in-hole circulation-type packer device for detecting an injection pressure into a hole without compensating it.SOLUTION: An in-hole circulation-type packer device comprises a supply outer pipe supplying an injection material, a return inner pipe disposed inside th...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ABE AKIMASA, SHINDO AKIHISA, IJIRI YUJI
Format: Patent
Sprache:eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an in-hole circulation-type packer device for detecting an injection pressure into a hole without compensating it.SOLUTION: An in-hole circulation-type packer device comprises a supply outer pipe supplying an injection material, a return inner pipe disposed inside the supply outer pipe, and a packer installed on the outer periphery of the supply outer pipe. An air tube is installed to the packer.