Method and apparatus for constructing concrete culverts and the like

• US 3,277,556 A
• Filed: 08/22/1963
• Issued: 10/11/1966
• Est. Priority Date: 08/22/1963
• Status: Expired due to Term

• Current Assignee: Ben E. Platt, Harry L. Holland
• Original Assignee: Ben E. Platt, Harry L. Holland
• Inventors: Platt, Ben E., Holland, Harry L.
• Application Number:
  US04/303,893
• Time in Patent Office: 1,146 Days
• US Class Current: 29/897.34
• CPC Class Codes: E04C 5/18 Spacers of metal or substantially of metal E04C5/168 takes precedence
• CPC Class Codes: Y10T 29/49632 Metal reinforcement member for nonmetallic, e.g., concrete, structural element
• CPC Class Codes: Y10T 29/53961 with work-holder for assembly

Claims

1. A METHOD OF POSITIONING REINFORCEMENT RODS IN A MOLD FOR CONCRETE WHICH COMPRISES THE STEPS OF RIGIDLY CONNECTING AT LEAST TWO PAIRS OF STUDS TO A VERTICAL SIDE OF SAID MOLD WHEREBY SAID STUDS ARE PARALLEL TO EACH OTHER AND EXTEND PERPENDICULARLY FROM SAID VERTICAL SIDE COINCIDENT WITH THE CORNERS OF A PARALLELOGRAM, SECURING THE STUDS OF EACH OF SAID PAIR OF STUDS TOGETHER AT A PLACE SPACED FROM SAID VERTICAL SIDE BY A VERTICAL BRACE MEMBER, SECURING BETWEEN SAID BRACE MEMBER AND SAID VERTICAL SIDE AN ALIGNMENT MEMBER TO TWO OF SAID STUDS, WHEREBY SAID ALIGNMENT MEMBER IS SUBSTANTIALLY HORIZONTAL IN A PRALLELL RELATIONSHIP TO SAID VERTICAL SIDE AND SPACED A SELECTED DISTANCE THEREFROM, AND CLAMPING VERTICALLY EXTENDING REINFORCEMENT RODS TO SAID ALIGNMENT MEMBER AT SELECTED POSITIONS.