Casting riser pan

Details Casting riser pan Casting riser pan

2004-02-03

2008-11-18

Chilcot, Jr., Richard E. (Department: 3635)

Static structures (e.g., buildings)

With entrance for persons or objects in horizontal or...

With additional enclosure structure; e.g., manhole

C052S019000, C052S021000

Reexamination Certificate

active

07451570

ABSTRACT:
A casting riser pan for defining an access opening in a cast concrete structure, serving as a cast for a cover for closing the access opening, and serving as a seat for the cover. The casting riser pan includes an orientation element for orienting the cover in case of out of round distortion of the casting riser pan and the concrete cover, an inner wall and an outer wall for increased radial strength, and a continuous securement element for attaching the casting riser pan to a casting mold for simultaneously casting the concrete structure and the cover.

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patent: 2002/0166291 (2002-11-01), Campbell et al.
patent: 2003/0145527 (2003-08-01), Meyers

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