×

Method of producing and distributing a pervious concrete product

  • US 4,225,357 A
  • Filed: 03/09/1979
  • Issued: 09/30/1980
  • Est. Priority Date: 03/09/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of producing a pervious concrete product of the type which allows fluids to pass therethrough, said method comprising the steps of:

  • (a) supplying a predetermined quantity of cement dependent on quantity and desired strength and performance characteristics of the resulting pervious concrete products,(b) supplying a predetermined quantity of water depending on said predetermined quantity of supplied cement,(c) continuously mixing together said predetermined quantities of cement and water to form a cementitious material utilizing high energy techniques, at least until said resulting cementitious material establishes a substantially consistent viscosity defined by separation of said water from said cement being substantially eliminated,(d) supplying a predetermined quantity of aggregate depending upon quantity and desired strength and performance characteristics of the resulting concrete product, and wherein the average size of individual aggregate is dependent on desired permeability of the resulting concrete product,(e) mixing said predetermined quantity of aggregate with said cementitious material subsequent to the mixing of said cement and water to form said pervious concrete product.

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