A method and apparatus for preparing a defined foam cushion (13) for packaging purposes (fig. 7) comprises placing a foamable composition into a plastic bag, maintaining the bag in an orientation that provides the bag with a defined solid geometry while the foamable composition expands into foam, and embossing at least one surface of the defined geometry bag after the foam has substantially finished expanding but has not completely hardened.
申请公布号
WO9823428(A1)
申请公布日期
1998.06.04
申请号
WO1997US21722
申请日期
1997.11.20
申请人
SEALED AIR CORPORATION;BERTRAM, GEORGE, T.;REICHENTAL, ABRAHAM, N.;ARMSTRONG, WILLIAM, R.
发明人
BERTRAM, GEORGE, T.;REICHENTAL, ABRAHAM, N.;ARMSTRONG, WILLIAM, R.