Inventor
ALTERMATT WILLY
CH5 patents
Patents
5 patentsUS5371997ADec 13, 1994
Method of making a packaging bag having tear-open means
SIG SCHWEIZ INDUSTRIEGES54 citations94
US5222813AJun 29, 1993
Packaging bag having tear-open means
SIG SCHWEIZ INDUSTRIEGES103 citations94
US5372000ADec 13, 1994
Apparatus for filling flexible bags
SIG SCHWEIZ INDUSTRIEGES13 citations72
US5356363AOct 18, 1994
Apparatus for making flat packaging bags from a flexible sheet of synthetic material
SIG SCHWEIZ INDUSTRIEGES3 citations61
US4160689AJul 10, 1979
Sheet sealing shoe assembly
SIG SCHWEIZ INDUSTRIEGES6 citations60