09.11.17
Matteo Piantoni, Albino, Italy; and Valerio Soli, Bologna, Italy.
Assigned to GDM S.p.A., Bologna, Italy.
Filed: 1/22/15
Issued: 5/23/17
An ultrasonic sealing system in a machine for making composite webs in production of absorbent sanitary articles, comprising: a contact roller, said contact roller having an axis of rotation and comprising a central portion and a peripheral portion which is supported by said central portion, the peripheral portion including an outer surface forming an outer surface of said contact roller, said contact roller comprising a sealing pattern on said outer surface of said peripheral portion, said contact roller including a suspension system acting between said central portion and said peripheral portion, said peripheral portion being associated with said central portion by said suspension system.
Assigned to GDM S.p.A., Bologna, Italy.
Filed: 1/22/15
Issued: 5/23/17
An ultrasonic sealing system in a machine for making composite webs in production of absorbent sanitary articles, comprising: a contact roller, said contact roller having an axis of rotation and comprising a central portion and a peripheral portion which is supported by said central portion, the peripheral portion including an outer surface forming an outer surface of said contact roller, said contact roller comprising a sealing pattern on said outer surface of said peripheral portion, said contact roller including a suspension system acting between said central portion and said peripheral portion, said peripheral portion being associated with said central portion by said suspension system.
