Curve portion mold structure for manufacturing curved concrete panel for mountain railway rack track, and curved concrete panel manufacturing method using the same
US-12492515-B2 · Dec 9, 2025 · US
US10166697B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10166697-B2 |
| Application number | US-201815864159-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 8, 2018 |
| Priority date | Sep 9, 2013 |
| Publication date | Jan 1, 2019 |
| Grant date | Jan 1, 2019 |
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The invention comprises a flying table concrete form. The flying table concrete form comprises a concrete forming deck comprising a first concrete forming panel having a first primary surface adapted for forming and contacting plastic concrete and a second primary surface opposite the first primary surface, a layer of insulating material contacting and substantially covering the second primary surface of the first concrete forming panel, and a second panel contacting and substantially covering the layer of insulating material. The flying table concrete form also comprises a plurality of deck support members extending transversely with respect to the second panel, wherein the first concrete forming panel defines a plane and wherein no portion of the deck support members are in the plane defined by the first concrete forming panel. A method of using the flying table concrete form is also disclosed.
Opening claim text (preview).
What is claimed is: 1. A method comprising: placing a quantity of plastic concrete on a horizontal concrete forming deck comprising: a first concrete forming panel having a first primary surface adapted for forming and contacting plastic concrete and a second primary surface opposite the first primary surface, wherein the first concrete forming panel comprises wood, plywood, high density overlay (HDO) plywood, plastic, fiberglass board, resin board or metal; a first layer of insulating material contacting and substantially covering the second primary surface of the first concrete forming panel, wherein the first layer of insulating material has an R-value of greater than 4; and a second panel contacting and substantially covering the first layer of insulating material, the second panel having a primary surface opposite the first layer of insulating material; and a plurality of deck support members extending transversely with respect to the primary surface of the second panel; substantially covering the quantity of plastic concrete with a second layer of insulating material; and leaving the second layer of insulating material on the quantity of plastic concrete for a time sufficient for the quantity of plastic concrete to at least partially cure. 2. The method of claim 1 , wherein the first layer of insulating material has an R-value of greater than 8. 3. The method of claim 1 , wherein the second layer of insulating material has an R-value of greater than 1.5. 4. The method of claim 1 , wherein the second layer of insulating material has an R-value of greater than 4. 5. The method of claim 1 , wherein the second layer of insulating material has an R-value of greater than 8. 6. The method of claim 1 , wherein the concrete form further comprises an electric heating element in thermal contact with the second primary surface of the first concrete forming panel. 7. The method of claim 1 , wherein an electric heating element is disposed between the first concrete forming panel and the second panel. 8. The method of claim 1 further comprising removing the second layer of insulating material. 9. The method of claim 8 further comprising removing the horizontal concrete forming deck. 10. The method of claim 1 , wherein the layer of insulating material comprises a polymeric foam of polyvinyl chloride, urethane, polyurethane, polyisocyanurate, phenol, polyethylene, polyimide or polystyrene. 11. A method comprising: placing a quantity of plastic concrete on a horizontal concrete forming deck comprising: an insulated panel having a primary surface, wherein the insulating panel comprises: a first panel of wood, plywood, high density overlay (HDO) plywood, plastic, fiberglass board, resin board or metal having a first primary surface and an opposite second primary surface, wherein the first panel contacts the plastic concrete; a first layer of polymeric foam insulating material contacting the second primary surface of the first panel, wherein the first layer of polymeric foam insulating material has an R-value of greater than 4; and a plurality of deck support members extending transversely with respect to the primary surface of the insulating panel; substantially covering the quantity of plastic concrete with a second layer of insulating material, wherein the second layer of insulating material has an R-value of greater than 4; and leaving the second layer of insulating material on the quantity of plastic concrete for a time sufficient for the quantity of plastic concrete to at least partially cure. 12. The method of claim 11 , wherein the first layer of insulating material has an R-value of greater than 8. 13. The method of claim 12 , wherein the second layer of insulating material has an R-value of greater than 4.
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