06472638 is referenced by 25 patents and cites 3 patents.

A bag forming apparatus and method that features a single drive unit for operating both a drive roller and cross-cut mechanism with the drive motor assembly being internalized within the drive roller. The bag forming apparatus and method also features a easy slide in, slide out edge sealer and vent hole former inserts that are held by, and move with, the bag width adjustable driven rollers. The edge seal inserts feature a heating element that is compressed against the film material by an internal bias in the edge sealer insert. A heating element can also be used for the vent hole inserts. The heating element can be a plug-in heating unit easily inserted and removed from the remainder of the insert.

Title
Apparatus and method for producing bags and foam-in-bag cushions
Application Number
9/709379
Publication Number
6472638 (B1)
Application Date
November 13, 2000
Publication Date
October 29, 2002
Inventor
Vincent A Piucci Jr
Spencer
MA, US
Charles R Sperry
Springfield
VT, US
Assignee
Sealed Air Corporation
NJ, US
IPC
H05B 3/00
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