Concrete dowel placement sleeves

Details Concrete dowel placement sleeves Concrete dowel placement sleeves

1990-04-10

1991-04-09

Scherbel, David A.

Static structures (e.g., buildings)

Relatively yieldable preformed separator

Separator inserted prior to or during pouring of two...

52704, E04B 162

Patent

active

050053310

ABSTRACT:
Slip and non-slip dowel placement sleeves are disclosed. The slip dowel placement sleeve generally comprises a tubular dowel receiving sheath having a closed distal end and an open proximal end. A connecting means of perpendicular flange is formed around the proximal opening of the sheath to facilitate attachment of the sheath to a concrete form. Smooth sections of dowel rod may then be advanced through holes drilled in the concrete form and into the interior compartment of the sheath. Concrete is poured within the form and the dowel rod remains slidably disposed within the interior of the sheath. Variations of the basic slip dowel placement sleeve of the invention includes a tapered "extractable" sleeve and a corrugated "grout tube" for placement of non-slip dowel or rebar.

REFERENCES:
patent: 1045562 (1912-11-01), Kennedy
patent: 2636426 (1946-09-01), Heltzel
patent: 2746365 (1951-11-01), Darneille
patent: 4533112 (1985-08-01), Santos, Jr. et al.
patent: 4578916 (1986-04-01), Watschi
Brochure by Concrete Tie for continuous dowel support and spacer for expansion joints in concrete pavements.

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