Apparatus for molding concrete or like plastic products

Claim 1

APPARATUS FOR MOLDING CONCRETE TANK SECTIONS COMPRISING A RIGID SUBSTANTIALLY RECTANGULAR CORE STRUCTURE DEFINING THE INNER WALLS OF A TANK SECTION, HORIZONTAL FLANGES SECURED ABOUT THE PERIPHERY OF THE BOTTOM EDGE OF SAID CORE STRUCTURE DEFINING THE BOTTOM EDGES OF A TANK SECTION, AND WALL FORMS HINGEDLY SECURED TO SAID FLANGES ADAPTED WHEN CLOSED TO DEFINE THE OUTER WALLS OF A TANK SECTION AND ADAPTED WHEN OPENED TO PERMIT SEPARATION OF SAID CORE STRUCTURE AND FORMED TANK SECTION, STRIPPING MECHANISM RELEASABLY SUPPORTING SAID CORE, FLANGE AND WALL FORMS FOR MOVEMENT RELATIVE TO A REFERENCE PLANE, GUIDE COLUMNS EXTENDING FROM SAID REFERENCE PLANE INTO THE CAVITY BETWEEN SAID CORE AND WALL FORMS AND UNDERLYING SAID CLOSED WALL FORMS, SAID COLUMNS SUPPORTING THE WEIGHT OF SAID TANK SECTION WHEN SAID CORE, FLANGE, AND OPEN WALL FORMS ARE MOVED, AND MEANS OPERATIVE ON SAID STRIPPING MECHANISM FOR URGING SAID CORE, FLANGE, AND OPEN WALL FORMS TO MOVE TOWARD SAID REFERENCE PLANE WHEREBY THE BOND BETWEEN SAID TANK SECTION AND SAID CORE STRUCTURE IS BROKEN THEREBY PERMITTING SAID CORE STRUCTURE, FLANGE AND OPEN WALL FORMS TO MOVE DOWNWARDLY RELATIVE TO SAID COLUMNS.