Patent ID: 6091054
Filing Date: 2000-07-18
Classification: B29C,B65B,B65D

Abstract:
An apparatus for heating a portion of a web material, said apparatus comprising:a top heating plate, the top heating plate having a top pad to be conductively heated by said top heating plate, said top pad having an oval configuration defined by a minor axis and a major axis of a length greater than the minor axis, the major axis being aligned along a feed direction of a web material to be moved relative to the apparatus, said top pad constructed to contact and heat conductively a first surface of a web material; anda bottom heating plate, the bottom heating plate having a bottom pad to be conductively heated by said bottom heating plate, said bottom pad having an oval configuration defined by a minor axis and a major axis of a length greater than the minor axis, the bottom pad facing the top pad with the major axis of the bottom pad aligned along the feed direction, the bottom pad constructed to contact and heat conductively a second surface of the web material opposite the first surface.