Sheet-material associating – Associating and folding
Patent
1980-07-21
1982-09-14
Burr, Edgar S.
Sheet-material associating
Associating and folding
270 42, B41L 4300
Patent
active
043491855
ABSTRACT:
Folding apparatus for quarter-folded web products such as paper napkins wherein belt means are associated with a pair of vacuum folding rolls for stripping products from one roll and thereafter urging the product against a simultaneously folded product carried by the other roll and thereafter delivering both products in superposed relation along a horizontal path.
REFERENCES:
patent: 950014 (1910-02-01), Boyce
patent: 1845895 (1932-02-01), Voorhis
patent: 2016309 (1935-10-01), Zuckerman
patent: 2775171 (1956-12-01), Steen
patent: 3758381 (1973-09-01), Knoke
patent: 4279410 (1981-07-01), Bolza-Schunemann
Small Rudolph E.
Spalding Michael H.
Burr Edgar S.
Heinz A.
Paper Converting Machine Company
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