Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2008-03-25
2008-03-25
Aftergut, Jeff H. (Department: 1791)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S292000, C156S308200, C156S308400, C156S497000, C156S359000, C156S064000, C156S510000, C053S079000
Reexamination Certificate
active
07347911
ABSTRACT:
Devices and methods for inflating and sealing packaging pillows from a material web are shown for consistently producing high-quality packaging pillows. A web of material is advanced past an inflation nozzle, inflated with gas, and sealed closed by a sealing element. The temperature of the sealing element is monitored using a thermocouple connection and automatically adjusted using a closed-loop system. A sealing clamp parallel to the sealing element maintains two sheets of the web in contact through the sealing step. The inflation nozzle is provided with two inflation outlets: a first outlet inserting gas longitudinally into the web of material, and a second outlet inserting gas laterally into the material. Gas input is controlled with the use of relief valves to maintain pillow quality at all stages of production.
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Box Alan G.
Hein Mitchell J.
Krueger Mark C.
Selle Paul A.
Aftergut Jeff H.
Pregis Innovative Packaging Inc.
Winston & Strawn LLP
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