Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Uniting preform member with molding material
Patent
1986-05-21
1988-05-10
Chiesa, Richard L.
Plastic and nonmetallic article shaping or treating: processes
Forming structural installations in situ
Uniting preform member with molding material
5230917, 264145, 264172, 264256, 264DIG57, 425 91, 425101, 425308, 425315, B28B 116
Patent
active
047434147
ABSTRACT:
An assembly line method of construction is applied to the making of the thin fiber reinforced shell that forms the external surface of the Fibrestone wall. An elongated endless movable belt has the desired recurring pattern to be applied as the external surface of the fiber reinforced shell. Spray guns movable transversely of the elongated belt are provided to spray concrete and chopped up reinforcing fibers on the belt to form a continuous Fibrestone panel strip as the belt moves past the spray guns. A plurality of elongated flex-ties mounted on suitable supports and each having one of their ends adapted to be secured to the upper surface of the fiber reinforced shell are dropped onto the spray formed shell while it is in the plastic or uncured state. To insure that the flex-ties are securely bonded additional concrete and chopped up fibers are sprayed on the flex-tie supports, and the area between the rows of flex-ties are rolled to provide a relatively smooth surface between the rows of flex-ties. Guide paths are formed adjacent the flex-ties by wheels to receive the edges of the studs. The continuous panel with the flex-ties in place are passed through a rapid curing station and the continuous panel is then separated from the pattern carrying belt and the continuous panel is cut transversely into panels of commercial lengths. The pattern carrying belt is then cleaned, its tension is adjusted if necessary, and the pattern is treated with mold release substance, and the assembly is checked and is ready for the next cycle of operation.
REFERENCES:
patent: 3260635 (1966-07-01), Page et al.
patent: 3351510 (1967-11-01), Harris
patent: 3974024 (1976-08-01), Yano et al.
patent: 4132043 (1979-01-01), Juba
patent: 4185437 (1980-01-01), Robinson
patent: 4450128 (1984-05-01), Takeuchi
patent: 4562030 (1985-12-01), Sakaguchi et al.
patent: 4614013 (1986-09-01), Stevenson
Chiesa Richard L.
Fibrestone Inc.
Wilson Alfred E.
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