Grout retainer for concrete and like structures

Details Grout retainer for concrete and like structures Grout retainer for concrete and like structures

1990-11-23

1991-08-20

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Assembled in situ-type anchor or tie

Socket type

411517, 411521, E01C 1118

Patent

active

050403508

ABSTRACT:
The disclosed retainer is useful in tying together sections of concrete or like elements; e.g., in roads, highways and the like, especially where a new section is laid next to and is positively joined to an existing section by several dowels inserted into drilled holes in the old section and left protruding to interlock with the poured new section. The function of the retainer is to slip over the dowel to abut the old section and to prevent leakage of the grout or other adhesive used to cement the dowel to the old section. The retainer of the present invention is preferably a disk of relatively stiff but flexible material having a central circular opening to fit frictionally over the dowel. The opening is bordered by a circular rabbet to provide an annular flange of reduced thickness compared to the major area of the disk and the flange is interrupted at angularly spaced portions to increase the flexibility of the opening-bordering part of the disk for improving the installation of the disk as well as to increase its resistance to retrograde movement along the dowel.

REFERENCES:
patent: 3417650 (1966-09-01), Varrin

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