Package making – Gas filling and/or evacuating of receptacle and closing
Reexamination Certificate
2007-03-06
2007-03-06
Huynh, Louis (Department: 3721)
Package making
Gas filling and/or evacuating of receptacle and closing
C053S403000
Reexamination Certificate
active
11276618
ABSTRACT:
Machine for inflating and sealing a preconfigured cushioning material which is wound in a roll on a hollow cylindrical core and has superposed layers of plastic film sealed together to form rows of interconnected, inflatable cells, a longitudinally extending channel near one edge of the material and inlet passageways interconnecting the channel and the rows of cells. The machine includes a rotatively mounted roll support shaft, a hub mounted on the shaft for engagement with the core at the end of the roll near the channel, a circumferentially expandable roll gripper for locking engagement with the inner wall of the cylindrical core, a feed mechanism for drawing the material and feeding it along a predetermined path, an inflator for injecting air into the cells, a nip roller, a pressing mechanism for pressing the nip roller against the roll of material, and a sealing mechanism for sealing the inlet passageways to retain the air in the cells.
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Air-Fil 1200 photographs (no date but prior to application's filing date).
Perkins Andrew
Reyes Oliver M.
Robinson William
Banner & Witcoff Ltd
Free Flow Packaging International, Inc.
Huynh Louis
LandOfFree
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