Permanent non-removable insulating type concrete wall forming structure

In a modular synthetic plastic concrete form structure for forming a concrete wall having a curved corner the improvement of the structure including a pair of modular concrete impervious foamed forming panels each comprised of a series of modular foamed concrete forming sections stacked on top on one another and also disposed in end-to-end relation, the structure further including a foamed curved corner form structure comprised of a series of arcuately curved corner sections stacked on top of one another providing a radially outer continuous curved corner area for forming a curved concrete corner, the sections each have means on upper and lower edges and at opposite vertical edges for interlocking the sections in stacked end-to-end engagement with one another, the panels being positioned in spaced opposed relation, and ties connectng the panels in transversely spaced relation and with the panels and the ties being permanently attached upon concrete being poured between the panels whereupon the panels serve as a heat insulator and the ties serve as reinforcing for the concrete and for securing the tees and panels in permanent assembly together, certain of the forming sections being of a flat shape, the means at the opposite ends of the curved corner sections and at the ends of the flat forming sections comprising complimentarily shaped tongues and grooves slidingly engageable in locked assembly together, the tongues and grooves being hook-shapedto resist being pulled apart in a direction at right angles to bottoms of said grooves.

In a modular synthetic plastic concrete form structure for forming a concrete wall having a curved corner, wherein the improvement comprises a pair of modular concrete impervious foamed forming panels each comprised of a series of modular foamed concrete forming sections stacked on top of one another and also disposed in end-to-end relation, a foamed curved corner form structure comprising a series of said forming sections positioned at right angles to one another providing a right angled corner joint, and arcuately curved corner sections stacked on top of one another providing a continuous curved corner radially outwardly of the right angled corner joint, the sections each having means on upper and lower edges and at opposite vertical edges for interlocking the sections in stacked end-to-end engagement with one another, the panels being positioned in spaced opposed relation, and tie means connecting the panels in transversely spaced relation and with the panels and the tie means permanently attached upon concrete being poured between the panels whereupon the panels serve as a heat insulator and the ties serve as reinforcing for the concrete and for securing the ties and panels in permanent assembly together, the modulator attachment means comprising complimentarily shaped tongues and grooves slidingly engageable and positioned in locked assembly, the tongues and grooves being hook-shaped to resist being pulled apart in a direction at right angles to bottoms of said grooves.

In a modular synthetic plastic concrete form structure for forming a concretewall having a curved corner, wherein the improvement comprises a pair of opposed modular concrete impervious forming panels comprised of a series of opposed modular concrete forming sections stacked on top on one another and also disposed in end-to-end relation, the sections each having means on its upper and lower edges and its opposite vertical edges for interlocking the sections in engagement with one another, the panels being positioned in spaced opposed relation, tie slots in the opposed sectins positioned in longitudinally spacedrows along the upper and lower edges, synthetic plastic reinforcing ties arranged in vertically spaced rows along upper and lower edges of the sections, the ties being positined in vertically spaced horizontally extending rows and the ties having opposite enlarged tie ends retainingly engaged in said tie slots securing the sections in opposed spaced relation, modular transversely extending closure panels mounted between the opposed panels providing end closures for confining poured concrete within the form defined by the opposed panels and the end closure panels, modular attachment means provided between opposed faces of the opposed panels and opposite ends of the closure panels to secure the assemblage in unitary relation to define a concrete form, the ties and the forming sections having heights at substantial variance with respect to one another when said tiesare assembled in the rows at upper and loweredges of the forming sections leaving a substantial open area between the upper and lower rows of ties enabling concrete to be rapidly poured between the forming sections with low flow impedance from the ties, the reinforcing ties each being secured in permanent embedded assembly at opposite ends with the synthetic plastic opposed panels and also with the concrete when poured and hardened in the thus provided form to provide an insulated concrete wall with the synthetic plastic panels permanently attached to the exterior of the concrete wall, the structure further includinga foamed curved corner form structure comprised of a series of arcuately curved corner sections stacked on top of one another providing a radially outer continuous curved corner area for forming a concrete wall with a curved corner, the sections each have means on upper and lower edges and at opposite vertical edges for interlocking the sections in stacked spaced opposed relation, the ties connectng the panels in transversely spaced relation and with the panels and the ties being permanently attached upon concrete being pouredbetween the panels whereupon the panels serve as a heat insulator and the ties serve as reinforcing for the concrete and for securing the ties and panels in permanent assembly together.

In a modular synthetic plastic concrete form structure, wherein the improvement comprises a pair of modular concrete impervious synthetic plastic forming panels each comprised of a series of opposed modular arcuately shaped concrete forming sections stacked on top of one another and also disposed in end-to-end relation, the sections each having longitudinally spaced castellation means including castellation blocks and castellation block receiving cavities on its upper and lower edges along a joint betweenthe sections for enabling superimposed sections to be press-fitted by hand pressure enabling the sections to be vertically stacked upon one another in interlocked assembly, the castellation means having concrete dam means for enabling the stacked sections to be slightly separated relative to one another without creating a leakage path for concrete to seep through the joint between the longitudinally extending edges of the sections, said dam means comprising a dam block integrally linked at opposite ends to said castellation means in assembly together and a correspondingly shaped dam block cavity, the dam block cavity being shaped for mated press-fitted engagement with the dam block when the concrete section forming sections are disposed in superimposed assembly together, the castellation block having a greater height than the dam block to allow stacked sections to separate slighltly along said joint and yet prohibit leakage through the joint while the sections are maintained in interlocked assembly.

In a modular synthetic plastic concrete form structure for forming a concrete wall having a curved corner, wherein the improvement comprises a pair of modular concrete impervious synthetic plastic forming panels comprised of a series of opposed modular linear concrete forming sections stacked on top on one another and also disposed in end-to-end relation, the structure further including a foamed curved corner form structure comprised of a series of arcuately curved corner sections stacked on top of one another providing a radially outer continuous curved corner area for forming a curved concrete corner, the linear and curved sections each having longitudinally spaced castellation means on its upper and lower edges for enabling superimposed sections to be press-fitted by hand pressure enabling the sections to be vertically stacked upon one another in interlocked assembly, concrete form ties securing the opposed sections together, the tis each having opposite T-shaped tie ends, longitudinally spaced T-shaped slots providedalong upper edges of the panels with the T-shaped tie end received therein, and means at opposite ends of the linear and curved sections comprising complimentarily shaped tongues and grooves slidingly engageable in locked assembly together, the opposite ends of the linear and curved sections having vertically extending matching hook-shaped tongue and grooves enabling the sections to be engaged in end-to-end interlocked assembly to prevent disassembly except by sliding the engaged tongues and grooves longitudinally of one another.

In a modular synthetic plastic concrete form structure for forming a concrete wall having a curved corner the improvement of the structure including a pair of modular concrete impervious foamed forming panels each comprised of a series of modular foamed concrete forming sections stacked on top on one another and also disposed in end-to-end relation, the structure further including a foamed curved corner form structure comprised of a series of arcuately curved corner sections stacked on top of one another providing a radially outer continuous curved corner area for forming a curved concrete corner, the sections each have means on upper and lower edges and at opposite vertical edges for interlocking the sections in stacked end-to-end engagement with one another, the panels being positioned in spaced opposed relation, and ties connecting the panels in transversely spaced relation and with the panels and the ties being permanently attached upon concrete being poured between the panels whereupon the panels serve as a heat insulator and the ties serve as reinforcing for the concrete and for securing the tees and panels in permanent assembly together, attached upon concrete being poured between the panels whereupon the panels serve as a heat insulator and the ties serve as reinforcing for the concrete and for securing the tees and panels in permanent assembly togetheer, said means at the upper and lower edges of said formed concrete forming sections excluding said arcuately curved corner sections including castellaton structure each comprising a main parallel sided block and a pair of mini-side blocks projecting from opposite sides of the main parallel sided blocks, which blocks all are integral and are spaced along a top edge of each section, said castellation structure further comprising a series of cavities on a bottom edge of each section having a configuration generally matching the shape of said blocks for nested press fitted engagement together.