Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Reexamination Certificate
2007-08-02
2009-10-27
Gerrity, Stephen F (Department: 3721)
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
C053S492000, C053S570000, C053S384100, C053S389100, C493S309000
Reexamination Certificate
active
07607280
ABSTRACT:
A clamp for sheets of material. The clamp includes a longitudinal main body with an external clamping side. The external clamping side comprises an external dragging surface for engaging a sheet of material. An internal clamping area inwardly extends from the external clamping side. The external dragging surface is at least partially movable into the internal clamping area so as to frictionally drag at least a portion of the sheet of material, engaged thereby, into the internal clamping area therewith. Clamping devices and bagging apparatus including such clamps are also disclosed. A method of clamping overlaying sheets of material is also disclosed.
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Gerrity Stephen F
Ladas & Parry LLP
LandOfFree
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