Apparatus and method for multiple spindle kneading for improving

Details Apparatus and method for multiple spindle kneading for improving Apparatus and method for multiple spindle kneading for improving

1976-11-26

1978-04-18

Shapiro, Jacob

Agitating

Rubber or heavy plastic working

With specified feed means

61 63, 37 75, 366301, E02D 312

Patent

active

040843831

ABSTRACT:
A plurality of agitation spindles are disposed, and an agitation vane is attached to the lower portion of each agitation spindle. A mixing and kneading zone for mixing and kneading soft soil with a hardener is formed so that the hardener is supplied near these agitation vanes. The agitation spindles are supported by reinforcing members and connecting members to construct a multiple spindle kneading apparatus for improving ground. In one embodiment, blade-like excavating cutters are mounted on the agitation spindles. In another embodiment, hollow agitation spindles are used and the hollow portions are used as hardener passages. In still another embodiment, a tube for injecting the hardener into the mixing and kneading zone is disposed so that it can be moved up and down. A method for hardening soft ground by using this multiple spindle kneading apparatus in which the hardener feed position can be changed is provided.

REFERENCES:
patent: 410198 (1889-09-01), Rieseck
patent: 2782605 (1957-02-01), Wertz et al.
patent: 3964184 (1976-06-01), Mathieu

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