Injection nozzle for adhesive materials

Hydraulic and earth engineering – Earth treatment or control – Chemical

Patent

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Details

52744, 141293, 141311R, 425 13, 425568, B65B 304, B29F 100, E02D 518, E04G 2302

Patent

active

045098840

ABSTRACT:
A nozzle for injecting adhesive materials into cracks in concrete, mortared joints in brick or stone walls, in timber, or in similar materials, the nozzle having a body with a center channel for conducting the resin from a suitable pump into the cracked surface. The nozzle may be surface mounted or mounted in a drilled hole, and has a proximal end adapted for connection to a conventional coupling and a distal end surrounded by spaced lugs which facilitate insertion of the distal end into a hole and aid in retaining the nozzle therein. The spacing between the lugs and a plurality of grooves in the distal end communicating with the center channel minimize back pressure when surface mounted and resist back pressure when mounted in a hole, and provide an even diffusion of the resin into the void. A collar is normally provided near the distal end for partially or completely sealing the installation and for retaining an adhesive gel or putty cone which further seals the installation. The collar may also serve as an abutment against which a suitable driver can be placed to drive the nozzle into a hole.

REFERENCES:
patent: 2860489 (1958-11-01), Townsend
patent: 2930199 (1960-03-01), Jarund
patent: 3359742 (1967-12-01), Blatter
patent: 3379019 (1968-04-01), Williams
patent: 3541797 (1970-11-01), Stewart
patent: 4074735 (1978-02-01), McCabe
patent: 4252474 (1981-02-01), Botes
patent: 4352262 (1982-10-01), Edelmann
patent: 4382720 (1983-05-01), Vonach

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