Title:
SYSTEM FOR THE PRODUCTION OF CAST CONCRETE MEMBERS
United States Patent 3523343
US Patent References:
Method and apparatus for the continuous production of prestressed concrete members
- - 3055073
Concrete casting machine
- - 3139663
Concrete making machine
- - 3177552
Apparatus for forming concrete planks or slabs having acoustical properties
- - 3217375
Machine for making prestressed concrete members
- - 3305907
Method and apparatus for the continuous production of prestressed concrete members
- - 3055073
Concrete casting machine
- - 3139663
Concrete making machine
- - 3177552
Apparatus for forming concrete planks or slabs having acoustical properties
- - 3217375
Machine for making prestressed concrete members
- - 3305907
Inventors:
Mitchell, William E.
Publication Date:
08/11/1970
View Patent Images:
Export Citation:
Assignee:
SPAN DECK INC
Primary Class:
Other Classes:
425/195, 425/121, 425/96, 425/200, 425/231, 425/111, 425/453, 425/164
International Classes:
B28B5/04; B28B11/14; B28B15/00; B28B5/00; B28B15/00