05575435 is referenced by 24 patents and cites 36 patents.

A sealing and severing apparatus is disclosed for sealing plastic bags formed in succession from stock plastic film material and then severing the sealed bags from one another. The bags are filled with a foamable composition while they are being formed so that when the formed and filled bags are placed in a container, the foamable composition fills the bag with foam to thereby produce a customized foam cushion for any objects in the container.

Title
High speed apparatus for forming foam cushions for packaging purposes
Application Number
766810
Publication Number
5575435
Application Date
December 22, 1994
Publication Date
November 19, 1996
Inventor
Laurence B Sperry
Brookline
MA, US
Charles R Sperry
Springfield
VT, US
Agent
Bell Seltzer Park & Gibson P A
Assignee
Sealed Air Corporation
NJ, US
IPC
B65H 16/04
View Original Source