A method and apparatus for sealing films. In one embodiment the sealing device comprises a horn and an anvil. The film has a standard portion and an increased portion. Increased energy is applied to the film in the increased portion compared to the energy applied to the standard portion. Such a method allows for sealing of varying number of layers.
申请公布号
US2014033653(A1)
申请公布日期
2014.02.06
申请号
US201213565310
申请日期
2012.08.02
申请人
CHAM PAK MENG;JORDAN, IV GLENN T.;KOZMAN AUSTIN;FLOWERS SEAN;SHORT MATTHEW;FRITO-LAY NORTH AMERICA, INC.
发明人
CHAM PAK MENG;JORDAN, IV GLENN T.;KOZMAN AUSTIN;FLOWERS SEAN;SHORT MATTHEW
