Apparatus for inserting dowel bars in a concrete slip forming ma

Details Apparatus for inserting dowel bars in a concrete slip forming ma Apparatus for inserting dowel bars in a concrete slip forming ma

1996-08-13

2000-08-08

Lisehora, James

Road structure, process, or apparatus

Apparatus

Means to install or form joint

404100, E01C 2304

Patent

active

060992042

ABSTRACT:
An apparatus for inserting dowel bars into a concrete slab in association with a slip forming machine of a type having a frame with a pan attached thereto for shaping uncured concrete into a continuous concrete slab. The pan itself has a space therein completely across the pan and dowel bar retainers are disposed above this space in the pan for holding dowel bars in readiness to be inserted into the concrete slab. A dowel bar inserter is disposed above each of the dowel bar retainers for pushing the dowel bars down, preferably all at one time. The dowel bar inserter is adjustable and removable. If removed, the forward and rear portions of the pan can be bolted together instead of being spaced apart.

REFERENCES:
patent: 2295947 (1942-09-01), Heltzel
patent: 4433936 (1984-02-01), Moser
patent: 4798495 (1989-01-01), Laeuppi et al.
patent: 4799820 (1989-01-01), Laeuppi et al.
patent: 5190397 (1993-03-01), Bengford et al.
patent: 5209602 (1993-05-01), Godbersen
patent: 5318377 (1994-06-01), Swisher, Jr. et al.
Copy of ten page brochure entitled HW-165 Slipform Paver by Gomaco Corporation.
Copy of two page brochure entitled DBI 650 Dowel Bar Inserter by Gomaco Corporation.
Copy of two page brochure entitled Gomaco DBI 650 by Gomaco Corporation, dated 1984.
Copy of eight page brochure entitled GP-2500 Full-width Slipform Paver by Gomaco Corporation, dated 1987.

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