Apparatus for forming a prefabricated truss deck
United States Patent 3349457
US Patent References:
/1175011.html
- - 1175011

/1293731.html
- - 1293731

/1326246.html
- - 1326246

Method and apparatus for making cementitious articles
- - 1891764

Mold
- - 1905897


Inventors:
Wilson, Frantz Woodrow
Publication Date:
10/31/1967
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Assignee:
CONODEC INC
Primary Class:
425/117
Other Classes:
249/83, 425/219, 425/447, 249/172, 425/424
International Classes:
B28B7/00; B28B13/02; B28B23/02; B28B23/18; E04B5/38; B28B13/00; E04B5/32
US Patent References:
3060540Machine for making slabs
3204316Self-releasing form for casting concrete slabs
Foreign References:
DE1081367B