Helical folder for paperboard blanks
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United States of America Patent
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-
Mar 10, 1981
Grant Date -
N/A
app pub date -
Apr 4, 1980
filing date -
Apr 4, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus for folding paperboard blanks, fed one by one in timed sequence into said apparatus and transported through it, includes helical blank contacting means rotatable in time with the transport means about a longitudinal axis extending generally in the direction of travel.
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