Apparatus for extruding reinforced concrete

Details Apparatus for extruding reinforced concrete Apparatus for extruding reinforced concrete

1976-06-21

1978-01-10

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Building forms or construction engineering type mold with...

Including mold charging means

404100, 425114, 425432, B28B 108

Patent

active

040676765

ABSTRACT:
Apparatus for forming concrete articles in which augers convey "no-slump" concrete mix to a molding station with sufficient force to consolidate the mix. Friction is reduced at form surfaces of the molding station by high frequency vibration, greater than 22,000 vibrations per minute. Core-forming mandrels are disposed axially lateral of the line of flight of the augers. The concrete can be prestressed utilizing pre-tensioning or post-tensioning mechanism and provision is made for transverse reinforcement of the concrete.

REFERENCES:
patent: 2209726 (1940-07-01), Fleming
patent: 3334559 (1967-08-01), Taylor
patent: 3468001 (1969-09-01), Bodine, Jr.
patent: 3605217 (1971-09-01), Martens et al.

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