Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating... – By reciprocating or vibrating mold
Patent
1991-06-27
1993-07-20
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Treatment of material by vibrating, jarring, or agitating...
By reciprocating or vibrating mold
264261, 264262, 264267, 264275, 264279, 264336, 264DIG57, 264DIG59, 264DIG64, 264DIG69, B28B 108, B32B 3106
Patent
active
052290514
ABSTRACT:
A process for producing a concrete post having a sleeve that functions as a pouring form during pouring of the posts, a protective shield during shipping and storage thereof, and a strengthening component upon installation. The post is produced in a process whereby multiple, replacable sleeves are provided in a rack which are simultaneously filled from a hopper. The sleeve cavities are substantially free of rebar to facilitate pouring and reduce cost, the sleeve replacing the rebar as the strengthening component.
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Aftergut Karen
Harrington Robert L.
Perma-Post International, Inc.
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