Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Plural sequential shaping or molding steps on same workpiece
Patent
1997-06-30
2000-06-06
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Plural sequential shaping or molding steps on same workpiece
264 31, 264 33, 264 35, 264296, 264310, 264333, 425363, 425374, 425470, 425471, 425472, B28B 312
Patent
active
060714581
ABSTRACT:
The present invention generally relates to a system for manufacturing horizontally precast panels of moldable material which panels require shaped surface patterns. More particularly, the invention relates to a system for manufacturing horizontally precast concrete panels formed of concrete, for use in vertical wall systems, with one or more shaped surfaces.
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patent: 3775529 (1973-11-01), Steenson
patent: 4028036 (1977-06-01), Farfor
patent: 4186166 (1980-01-01), Hight, Jr.
patent: 4271111 (1981-06-01), Sheber
patent: 4298555 (1981-11-01), Weltmer
patent: 4496504 (1985-01-01), Steenson et al.
patent: 5133915 (1992-07-01), Metten et al.
patent: 5435951 (1995-07-01), Toncelli
Aftergut Karen
Port-O-Wall Systems, LLC
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