Injector, in particular for injecting concrete

Details Injector, in particular for injecting concrete Injector, in particular for injecting concrete

1982-06-09

1984-07-31

Love, John J.

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

B05B 300

Patent

active

044625480

ABSTRACT:
When injecting concrete, the nozzle of the injecting device must perform a circular motion in order to avoid the formation of so-called beads. Since this is a laborious operation, the invention proposes an injecting device whose nozzle is provided with said motion by a mechanical drive. However, the feeding hose is not to perform said tumbling motion in order to the hazard of buckling, among other things. For said purpose serves a hydraulic motor (2) whose eccentric (1) provides the hose holding means (3) with a circular tumbling motion, said motion taking effect on the end of the feeding hose (6), said end being secured in hose holding means (3), and thus on the nozzle (7), whose mouth describes a circular motion. The hose holding means (3) is secured against twisting by the cross joint shaft (4). The four chains with links (8) arranged around the feeding hose with 90 degrees displacement against each other, jointly with the cross rings (9) prevent an excessive deflection of the feeding hose (6) and thus buckling of said hose, which would lead to increased wear and trouble during the injection of concrete. Said injecting device significantly facilitates the per-se laborious injecting of concrete, in particular of vaulted constructions.

REFERENCES:
patent: 4244523 (1981-01-01), Looper
patent: 4286563 (1981-09-01), Fahim et al.
patent: 4351478 (1982-09-01), Looper
patent: 4369850 (1983-01-01), Barker

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