Static molds – In situ construction engineering type or building type-mold... – Forming building structure
Patent
1993-10-04
1999-02-23
Aftergut, Karen
Static molds
In situ construction engineering type or building type-mold...
Forming building structure
249 51, 2491141, 249115, 249134, 264311, 264317, 264333, 264338, B28B 734, B28B 736, B29C 3556, E04C 330
Patent
active
058740163
ABSTRACT:
A concrete column forming tube and method of making same for receiving poured concrete column therein to produce a concrete column is characterized by a smooth inside coated surface in the forming tube to eliminate spiral seam lines and other undesirable characteristics on the outside surface of the formed concrete column. The tube is formed from spirally-wound plies of paper adhered together and has a centrifugally-cast epoxy resin coating sprayed onto the inside surface of the spirally-wound tube while the tube is rotating to produce a smooth inside coated surface on the forming tube.
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Bacon, Jr. Robert D.
Bonds Honor S.
Floyd, Jr. Arnold B.
Johnson, Jr. Troy W.
Martin James R.
Aftergut Karen
Sonoco Products & Company
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