×

Closed vessel curing of concrete

  • US 2,917,778 A
  • Filed: 12/23/1955
  • Issued: 12/22/1959
  • Est. Priority Date: 12/23/1955
  • Status: Expired due to Term
First Claim
Patent Images

1. IN THE PROCESS FOR CURING A WET CONCRETE LINER WITHIN A WATER TANK, THE STEPS OF INTRODUCING INTO THE TANK CO2 IN THE PROPORTION OF ONE CUBIC FOOT OF CO2 AT ATMOSPHERIC PRESSURE AND ROOM TEMPERATURE FOR 40-80 SQUARE FEET OF CONCRETE SURFACE, THE SAID CO2 PROVIDING AT LEAST ABOUT 15% OT THE ATMOSPHERE WITHIN THE TANK, SEALING THE TANK TO EXCLUDE ACCESS OF AIR, AND CURING THE CONCRETE UNDER THE MOIST CONDITIONS PREVAILING IN THE SEALED TANK AND FOR A PERIOD UP TO ABOUT 28 DAYS.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×