Apparatus for injecting grout into a spreader pipe used in the e

Details Apparatus for injecting grout into a spreader pipe used in the e Apparatus for injecting grout into a spreader pipe used in the e

1996-12-19

1999-06-22

Aftergut, Karen

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

249 38, 249 40, 249 83, 264 35, E04G 1106, E04G 1706

Patent

active

059141379

ABSTRACT:
Apparatus for injecting grout into a spreader pipe used in the erection of concrete walls. The apparatus has a central jet tube containing holes and having a nozzle locking cap mounted on one end. A jacket containing injection holes encases the jet tube in a manner which covers the holes in the jet tube. The apparatus also contains two draw-in hoses on both sides of the jacket that encases the jet tube. The draw-in hoses operate selectively to bulge out in an axial direction, thereby sealing off an interspace within the spreader pipe between the draw-in hoses and allowing grout to be pumped into the spreader pipe.

REFERENCES:
patent: 4499925 (1985-02-01), Kaufmann
patent: 4722479 (1988-02-01), Koob
patent: 5056282 (1991-10-01), Pflieger
patent: 5257486 (1993-11-01), Holmwall
patent: 5328647 (1994-07-01), Koob

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