Continuous corrugating mechanism
United States Patent 2494431
US Patent References:
/0654884.html
- - 0654884
/0775495.html
- - 0775495
/0775541.html
- - 0775541
Apparatus for continuously manufacturing corrugated construction boards
- - 2236932
Machine for waxing and plaiting paper
- - 2285617
/0654884.html
- - 0654884
/0775495.html
- - 0775495
/0775541.html
- - 0775541
Apparatus for continuously manufacturing corrugated construction boards
- - 2236932
Machine for waxing and plaiting paper
- - 2285617
Inventors:
Eckstein, Karl J.
Publication Date:
01/10/1950
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Export Citation:
Assignee:
Eckstein, Karl J.
Primary Class:
Other Classes:
223/32, 55/521
International Classes:
B31F1/22; B31F1/20
Foreign References:
| GB376846A | ||||
| GB541015A |